-/* Copyright (c) 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2009, 2010. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+
+
#include <float.h>
+#include "gras_config.h"
+
+#ifdef HAVE_PCRE_LIB
+#include <pcre.h> /* regular expresion library */
+#endif
#include "surf_private.h"
#include "xbt/dynar.h"
#include "xbt/str.h"
#include "xbt/graph.h"
#include "xbt/set.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route,surf,"Routing part of surf");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
-routing_t used_routing = NULL;
-xbt_dict_t onelink_routes = NULL;
+/* Global vars */
+routing_global_t global_routing = NULL;
+routing_component_t current_routing = NULL;
+model_type_t current_routing_model = NULL;
/* Prototypes of each model */
-static void routing_model_full_create(size_t size_of_link,void *loopback);
-static void routing_model_floyd_create(size_t size_of_link, void*loopback);
-static void routing_model_dijkstra_create(size_t size_of_link, void*loopback);
-static void routing_model_dijkstracache_create(size_t size_of_link, void*loopback);
-static void routing_model_none_create(size_t size_of_link, void*loopback);
-
-/* Definition of each model */
-struct model_type {
- const char *name;
- const char *desc;
- void (*fun)(size_t,void*);
+static void *model_full_create(void); /* create structures for full routing model */
+static void model_full_load(void); /* load parse functions for full routing model */
+static void model_full_unload(void); /* unload parse functions for full routing model */
+static void model_full_end(void); /* finalize the creation of full routing model */
+static void model_full_set_route( /* Set the route and ASroute between src and dst */
+ routing_component_t rc, const char *src, const char *dst, name_route_extended_t route);
+
+static void *model_floyd_create(void); /* create structures for floyd routing model */
+static void model_floyd_load(void); /* load parse functions for floyd routing model */
+static void model_floyd_unload(void); /* unload parse functions for floyd routing model */
+static void model_floyd_end(void); /* finalize the creation of floyd routing model */
+static void model_floyd_set_route(routing_component_t rc, const char *src,
+ const char *dst, name_route_extended_t route);
+
+static void *model_dijkstra_both_create(int cached); /* create by calling dijkstra or dijkstracache */
+static void *model_dijkstra_create(void); /* create structures for dijkstra routing model */
+static void *model_dijkstracache_create(void); /* create structures for dijkstracache routing model */
+static void model_dijkstra_both_load(void); /* load parse functions for dijkstra routing model */
+static void model_dijkstra_both_unload(void); /* unload parse functions for dijkstra routing model */
+static void model_dijkstra_both_end(void); /* finalize the creation of dijkstra routing model */
+static void model_dijkstra_both_set_route (routing_component_t rc, const char *src,
+ const char *dst, name_route_extended_t route);
+
+static void *model_rulebased_create(void); /* create structures for rulebased routing model */
+static void model_rulebased_load(void); /* load parse functions for rulebased routing model */
+static void model_rulebased_unload(void); /* unload parse functions for rulebased routing model */
+static void model_rulebased_end(void); /* finalize the creation of rulebased routing model */
+
+static void *model_none_create(void); /* none routing model */
+static void model_none_load(void); /* none routing model */
+static void model_none_unload(void); /* none routing model */
+static void model_none_end(void); /* none routing model */
+
+static void routing_parse_Scluster(void); /*cluster bypass */
+
+static void routing_parse_Sconfig(void); /*config Tag */
+static void routing_parse_Econfig(void); /*config Tag */
+
+/* this lines are only for replace use like index in the model table */
+typedef enum {
+ SURF_MODEL_FULL = 0,
+ SURF_MODEL_FLOYD,
+ SURF_MODEL_DIJKSTRA,
+ SURF_MODEL_DIJKSTRACACHE,
+ SURF_MODEL_NONE,
+#ifdef HAVE_PCRE_LIB
+ SURF_MODEL_RULEBASED
+#endif
+} e_routing_types;
+
+
+/* must be finish with null and carefull if change de order */
+struct s_model_type routing_models[] = { {"Full",
+ "Full routing data (fast, large memory requirements, fully expressive)",
+ model_full_create,
+ model_full_load,
+ model_full_unload,
+ model_full_end},
+{"Floyd",
+ "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
+ model_floyd_create, model_floyd_load, model_floyd_unload,
+ model_floyd_end},
+{"Dijkstra",
+ "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
+ model_dijkstra_create, model_dijkstra_both_load,
+ model_dijkstra_both_unload, model_dijkstra_both_end},
+{"DijkstraCache",
+ "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)",
+ model_dijkstracache_create, model_dijkstra_both_load,
+ model_dijkstra_both_unload, model_dijkstra_both_end},
+{"none", "No routing (usable with Constant network only)",
+ model_none_create, model_none_load, model_none_unload, model_none_end},
+#ifdef HAVE_PCRE_LIB
+{"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
+ model_rulebased_load, model_rulebased_unload, model_rulebased_end},
+#endif
+{NULL, NULL, NULL, NULL, NULL, NULL}
};
-struct model_type models[] =
-{ {"Full", "Full routing data (fast, large memory requirements, fully expressive)", routing_model_full_create },
- {"Floyd", "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)", routing_model_floyd_create },
- {"Dijkstra", "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)", routing_model_dijkstra_create },
- {"DijkstraCache", "Dijkstra routing data (fast initialization, fast lookup, small memory requirements, shortest path routing only)", routing_model_dijkstracache_create },
- {"none", "No routing (usable with Constant network only)", routing_model_none_create },
- {NULL,NULL,NULL}};
+/* ************************************************************************** */
+/* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
-void routing_model_create(size_t size_of_links, void* loopback) {
+static void generic_set_processing_unit(routing_component_t rc,
+ const char *name);
+static void generic_set_autonomous_system(routing_component_t rc,
+ const char *name);
+static void generic_set_bypassroute(routing_component_t rc,
+ const char *src, const char *dst,
+ route_extended_t e_route);
- char * wanted=xbt_cfg_get_string(_surf_cfg_set,"routing");
- int cpt;
- for (cpt=0;models[cpt].name;cpt++) {
- if (!strcmp(wanted,models[cpt].name)) {
- (*(models[cpt].fun))(size_of_links,loopback);
- return;
- }
- }
- fprintf(stderr,"Routing model %s not found. Existing models:\n",wanted);
- for (cpt=0;models[cpt].name;cpt++)
- if (!strcmp(wanted,models[cpt].name))
- fprintf(stderr," %s: %s\n",models[cpt].name,models[cpt].desc);
- exit(1);
-}
+static int surf_link_resource_cmp(const void *a, const void *b);
+static int surf_pointer_resource_cmp(const void *a, const void *b);
/* ************************************************************************** */
-/* *************************** FULL ROUTING ********************************* */
-typedef struct {
- s_routing_t generic_routing;
- xbt_dynar_t *routing_table;
- void *loopback;
- size_t size_of_link;
-} s_routing_full_t,*routing_full_t;
+/* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
+
+static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc);
+static route_extended_t generic_get_bypassroute(routing_component_t rc,
+ const char *src,
+ const char *dst);
+
+/* ************************************************************************** */
+/* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
+
+static route_extended_t
+generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
+ void *data, int order);
+static void generic_free_route(route_t route);
+static void generic_free_extended_route(route_extended_t e_route);
+static routing_component_t
+generic_autonomous_system_exist(routing_component_t rc, char *element);
+static routing_component_t
+generic_processing_units_exist(routing_component_t rc, char *element);
+static void generic_src_dst_check(routing_component_t rc, const char *src,
+ const char *dst);
-#define ROUTE_FULL(i,j) ((routing_full_t)used_routing)->routing_table[(i)+(j)*(used_routing)->host_count]
-#define HOST2ROUTER(id) ((id)+(2<<29))
-#define ROUTER2HOST(id) ((id)-(2<<29))
-#define ISROUTER(id) ((id)>=(2<<29))
+/* ************************************************************************** */
+/* **************************** GLOBAL FUNCTIONS **************************** */
+
+/* global parse functions */
+static char *src = NULL; /* temporary store the source name of a route */
+static char *dst = NULL; /* temporary store the destination name of a route */
+static char *gw_src = NULL; /* temporary store the gateway source name of a route */
+static char *gw_dst = NULL; /* temporary store the gateway destination name of a route */
+static xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
+/**
+ * \brief Add a "host" to the network element list
+ */
+static void parse_S_host(char *host_id)
+{
+ network_element_info_t info = NULL;
+ if (current_routing->hierarchy == SURF_ROUTING_NULL)
+ current_routing->hierarchy = SURF_ROUTING_BASE;
+ xbt_assert1(!xbt_dict_get_or_null
+ (global_routing->where_network_elements, host_id),
+ "Reading a host, processing unit \"%s\" already exist",
+ host_id);
+ xbt_assert1(current_routing->set_processing_unit,
+ "no defined method \"set_processing_unit\" in \"%s\"",
+ current_routing->name);
+ (*(current_routing->set_processing_unit)) (current_routing, host_id);
+ info = xbt_new0(s_network_element_info_t, 1);
+ info->rc_component = current_routing;
+ info->rc_type = SURF_NETWORK_ELEMENT_HOST;
+ xbt_dict_set(global_routing->where_network_elements, host_id,
+ (void *) info, NULL);
+}
/*
- * Free the onelink routes
+ * \brief Add a host to the network element list from XML
*/
-static void onelink_route_elem_free(void *e) {
- s_onelink_t tmp = (s_onelink_t)e;
- if(tmp) {
- free(tmp);
- }
+static void parse_S_host_XML(void)
+{
+ parse_S_host(A_surfxml_host_id);
}
/*
- * Parsing
+ * \brief Add a host to the network element list from lua script
*/
-static void routing_full_parse_Shost(void) {
- int *val = xbt_malloc(sizeof(int));
- DEBUG2("Seen host %s (#%d)",A_surfxml_host_id,used_routing->host_count);
- *val = used_routing->host_count++;
- xbt_dict_set(used_routing->host_id,A_surfxml_host_id,val,xbt_free);
-#ifdef HAVE_TRACING
- TRACE_surf_host_define_id (A_surfxml_host_id, *val);
-#endif
+static void parse_S_host_lua(char *host_id)
+{
+ parse_S_host(host_id);
}
-static void routing_full_parse_Srouter(void) {
- int *val = xbt_malloc(sizeof(int));
- DEBUG3("Seen router %s (%d -> #%d)",A_surfxml_router_id,used_routing->router_count,
- HOST2ROUTER(used_routing->router_count));
- *val = HOST2ROUTER(used_routing->router_count++);
- xbt_dict_set(used_routing->host_id,A_surfxml_router_id,val,xbt_free);
+
+/**
+ * \brief Add a "router" to the network element list
+ */
+static void parse_S_router(void)
+{
+ network_element_info_t info = NULL;
+
+ if (current_routing->hierarchy == SURF_ROUTING_NULL)
+ current_routing->hierarchy = SURF_ROUTING_BASE;
+ xbt_assert1(!xbt_dict_get_or_null
+ (global_routing->where_network_elements,
+ A_surfxml_router_id),
+ "Reading a router, processing unit \"%s\" already exist",
+ A_surfxml_router_id);
+ xbt_assert1(current_routing->set_processing_unit,
+ "no defined method \"set_processing_unit\" in \"%s\"",
+ current_routing->name);
+ (*(current_routing->set_processing_unit)) (current_routing,
+ A_surfxml_router_id);
+ info = xbt_new0(s_network_element_info_t, 1);
+ info->rc_component = current_routing;
+ info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
+ xbt_dict_set(global_routing->where_network_elements, A_surfxml_router_id,
+ (void *) info, NULL);
#ifdef HAVE_TRACING
- TRACE_surf_host_define_id (A_surfxml_router_id, *val);
- TRACE_surf_host_declaration (A_surfxml_router_id, 0);
+ TRACE_surf_host_declaration(A_surfxml_router_id, 0);
#endif
}
-static int src_id = -1;
-static int dst_id = -1;
-static void routing_full_parse_Sroute_set_endpoints(void)
+/**
+ * \brief Set the endponints for a route
+ */
+static void parse_S_route_new_and_endpoints(char *src_id, char *dst_id)
{
- src_id = *(int*)xbt_dict_get(used_routing->host_id,A_surfxml_route_src);
- dst_id = *(int*)xbt_dict_get(used_routing->host_id,A_surfxml_route_dst);
- DEBUG4("Route %s %d -> %s %d",A_surfxml_route_src,src_id,A_surfxml_route_dst,dst_id);
- route_action = A_surfxml_route_action;
+ if (src != NULL && dst != NULL && link_list != NULL)
+ THROW2(arg_error, 0, "Route between %s to %s can not be defined",
+ src_id, dst_id);
+ src = src_id;
+ dst = dst_id;
+ xbt_assert2(strlen(src) > 0 || strlen(dst) > 0,
+ "Some limits are null in the route between \"%s\" and \"%s\"",
+ src, dst);
+ link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
}
-static void routing_full_parse_Eroute(void)
+
+/**
+ * \breif Set the endpoints for a route from XML
+ */
+static void parse_S_route_new_and_endpoints_XML(void)
{
- char *name;
- if (src_id != -1 && dst_id != -1) {
- name = bprintf("%x#%x", src_id, dst_id);
- manage_route(route_table, name, route_action, 0);
- free(name);
- }
+ parse_S_route_new_and_endpoints(A_surfxml_route_src,
+ A_surfxml_route_dst);
}
-/* Cluster tag functions */
-
-static void routing_full_parse_change_cpu_data(const char *hostName,
- const char *surfxml_host_power,
- const char *surfxml_host_availability,
- const char *surfxml_host_availability_file,
- const char *surfxml_host_state_file)
+/**
+ * \breif Set the endpoints for a route from lua
+ */
+static void parse_S_route_new_and_endpoints_lua(char *id_src, char *id_dst)
{
- int AX_ptr = 0;
-
- SURFXML_BUFFER_SET(host_id, hostName);
- SURFXML_BUFFER_SET(host_power, surfxml_host_power /*hostPower */ );
- SURFXML_BUFFER_SET(host_availability, surfxml_host_availability);
- SURFXML_BUFFER_SET(host_availability_file, surfxml_host_availability_file);
- SURFXML_BUFFER_SET(host_state_file, surfxml_host_state_file);
+ parse_S_route_new_and_endpoints(id_src, id_dst);
}
-static void routing_full_parse_change_link_data(const char *linkName,
- const char *surfxml_link_bandwidth,
- const char *surfxml_link_bandwidth_file,
- const char *surfxml_link_latency,
- const char *surfxml_link_latency_file,
- const char *surfxml_link_state_file)
+/**
+ * \brief Set the endponints and gateways for a ASroute
+ */
+static void parse_S_ASroute_new_and_endpoints(void)
{
- int AX_ptr = 0;
-
- SURFXML_BUFFER_SET(link_id, linkName);
- SURFXML_BUFFER_SET(link_bandwidth, surfxml_link_bandwidth);
- SURFXML_BUFFER_SET(link_bandwidth_file, surfxml_link_bandwidth_file);
- SURFXML_BUFFER_SET(link_latency, surfxml_link_latency);
- SURFXML_BUFFER_SET(link_latency_file, surfxml_link_latency_file);
- SURFXML_BUFFER_SET(link_state_file, surfxml_link_state_file);
+ if (src != NULL && dst != NULL && link_list != NULL)
+ THROW2(arg_error, 0, "Route between %s to %s can not be defined",
+ A_surfxml_ASroute_src, A_surfxml_ASroute_dst);
+ src = A_surfxml_ASroute_src;
+ dst = A_surfxml_ASroute_dst;
+ gw_src = A_surfxml_ASroute_gw_src;
+ gw_dst = A_surfxml_ASroute_gw_dst;
+ xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
+ || strlen(gw_dst) > 0,
+ "Some limits are null in the route between \"%s\" and \"%s\"",
+ src, dst);
+ link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
}
-static void routing_full_parse_Scluster(void)
+/**
+ * \brief Set the endponints for a bypassRoute
+ */
+static void parse_S_bypassRoute_new_and_endpoints(void)
{
- static int AX_ptr = 0;
+ if (src != NULL && dst != NULL && link_list != NULL)
+ THROW2(arg_error, 0,
+ "Bypass Route between %s to %s can not be defined",
+ A_surfxml_bypassRoute_src, A_surfxml_bypassRoute_dst);
+ src = A_surfxml_bypassRoute_src;
+ dst = A_surfxml_bypassRoute_dst;
+ gw_src = A_surfxml_bypassRoute_gw_src;
+ gw_dst = A_surfxml_bypassRoute_gw_dst;
+ xbt_assert2(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0
+ || strlen(gw_dst) > 0,
+ "Some limits are null in the route between \"%s\" and \"%s\"",
+ src, dst);
+ link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
+}
- char *cluster_id = A_surfxml_cluster_id;
- char *cluster_prefix = A_surfxml_cluster_prefix;
- char *cluster_suffix = A_surfxml_cluster_suffix;
- char *cluster_radical = A_surfxml_cluster_radical;
- char *cluster_power = A_surfxml_cluster_power;
- char *cluster_bw = A_surfxml_cluster_bw;
- char *cluster_lat = A_surfxml_cluster_lat;
- char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
- char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
- char *backbone_name;
- unsigned int it1,it2;
- char *name1,*name2;
- xbt_dynar_t names = NULL;
- surfxml_bufferstack_push(1);
+/**
+ * \brief Set a new link on the actual list of link for a route or ASroute
+ */
+static void parse_E_link_ctn_new_elem(char *link_id)
+{
+ char *val;
+ val = xbt_strdup(link_id);
+ xbt_dynar_push(link_list, &val);
+}
- /* Make set a set to parse the prefix/suffix/radical into a neat list of names */
- DEBUG4("Make <set id='%s' prefix='%s' suffix='%s' radical='%s'>",
- cluster_id,cluster_prefix,cluster_suffix,cluster_radical);
- SURFXML_BUFFER_SET(set_id, cluster_id);
- SURFXML_BUFFER_SET(set_prefix, cluster_prefix);
- SURFXML_BUFFER_SET(set_suffix, cluster_suffix);
- SURFXML_BUFFER_SET(set_radical, cluster_radical);
+/**
+ * \brief Set a new link on the actual list of link for a route or ASroute from XML
+ */
- SURFXML_START_TAG(set);
- SURFXML_END_TAG(set);
+static void parse_E_link_ctn_new_elem_XML(void)
+{
+ if( A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_NONE)
+ parse_E_link_ctn_new_elem(A_surfxml_link_ctn_id);
+ if( A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_UP)
+ parse_E_link_ctn_new_elem(bprintf("%s_UP",A_surfxml_link_ctn_id));
+ if( A_surfxml_link_ctn_direction == A_surfxml_link_ctn_direction_DOWN)
+ parse_E_link_ctn_new_elem(bprintf("%s_DOWN",A_surfxml_link_ctn_id));
+}
- names = xbt_dict_get(set_list,cluster_id);
+/**
+ * \brief Set a new link on the actual list of link for a route or ASroute from lua
+ */
+static void parse_E_link_c_ctn_new_elem_lua(char *link_id)
+{
+ parse_E_link_ctn_new_elem(link_id);
+}
- xbt_dynar_foreach(names,it1,name1) {
- /* create the host */
- routing_full_parse_change_cpu_data(name1, cluster_power, "1.0", "", "");
- A_surfxml_host_state = A_surfxml_host_state_ON;
+/**
+ * \brief Store the route by calling the set_route function of the current routing component
+ */
+static void parse_E_route_store_route(void)
+{
+ name_route_extended_t route = xbt_new0(s_name_route_extended_t, 1);
+ route->generic_route.link_list = link_list;
+ xbt_assert1(current_routing->set_route,
+ "no defined method \"set_route\" in \"%s\"",
+ current_routing->name);
+ (*(current_routing->set_route)) (current_routing, src, dst, route);
+ link_list = NULL;
+ src = NULL;
+ dst = NULL;
+}
- SURFXML_START_TAG(host);
- SURFXML_END_TAG(host);
+/**
+ * \brief Store the ASroute by calling the set_ASroute function of the current routing component
+ */
+static void parse_E_ASroute_store_route(void)
+{
+ name_route_extended_t e_route = xbt_new0(s_name_route_extended_t, 1);
+ e_route->generic_route.link_list = link_list;
+ e_route->src_gateway = xbt_strdup(gw_src);
+ e_route->dst_gateway = xbt_strdup(gw_dst);
+ xbt_assert1(current_routing->set_ASroute,
+ "no defined method \"set_ASroute\" in \"%s\"",
+ current_routing->name);
+ (*(current_routing->set_ASroute)) (current_routing, src, dst, e_route);
+ link_list = NULL;
+ src = NULL;
+ dst = NULL;
+ gw_src = NULL;
+ gw_dst = NULL;
+}
- /* Here comes the link */
- routing_full_parse_change_link_data(name1, cluster_bw, "", cluster_lat, "", "");
- A_surfxml_link_state = A_surfxml_link_state_ON;
- A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
+/**
+ * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
+ */
+static void parse_E_bypassRoute_store_route(void)
+{
+ route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
+ e_route->generic_route.link_list = link_list;
+ e_route->src_gateway = xbt_strdup(gw_src);
+ e_route->dst_gateway = xbt_strdup(gw_dst);
+ xbt_assert1(current_routing->set_bypassroute,
+ "no defined method \"set_bypassroute\" in \"%s\"",
+ current_routing->name);
+ (*(current_routing->set_bypassroute)) (current_routing, src, dst,
+ e_route);
+ link_list = NULL;
+ src = NULL;
+ dst = NULL;
+ gw_src = NULL;
+ gw_dst = NULL;
+}
- SURFXML_START_TAG(link);
- SURFXML_END_TAG(link);
+/**
+ * \brief Make a new routing component
+ *
+ * make the new structure and
+ * set the parsing functions to allows parsing the part of the routing tree
+ */
+static void parse_S_AS(char *AS_id, char *AS_routing)
+{
+ routing_component_t new_routing;
+ model_type_t model = NULL;
+ char *wanted = AS_routing;
+ int cpt;
+ /* seach the routing model */
+ for (cpt = 0; routing_models[cpt].name; cpt++)
+ if (!strcmp(wanted, routing_models[cpt].name))
+ model = &routing_models[cpt];
+ /* if its not exist, error */
+ if (model == NULL) {
+ fprintf(stderr, "Routing model %s not found. Existing models:\n",
+ wanted);
+ for (cpt = 0; routing_models[cpt].name; cpt++)
+ if (!strcmp(wanted, routing_models[cpt].name))
+ fprintf(stderr, " %s: %s\n", routing_models[cpt].name,
+ routing_models[cpt].desc);
+ xbt_die(NULL);
}
- /* Make backbone link */
- backbone_name = bprintf("%s_bb", cluster_id);
- routing_full_parse_change_link_data(backbone_name, cluster_bb_bw, "", cluster_bb_lat, "",
- "");
- A_surfxml_link_state = A_surfxml_link_state_ON;
- A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;
-
- SURFXML_START_TAG(link);
- SURFXML_END_TAG(link);
+ /* make a new routing component */
+ new_routing = (routing_component_t) (*(model->create)) ();
+ new_routing->routing = model;
+ new_routing->hierarchy = SURF_ROUTING_NULL;
+ new_routing->name = xbt_strdup(AS_id);
+ new_routing->routing_sons = xbt_dict_new();
+
+ if (current_routing == NULL && global_routing->root == NULL) {
+
+ /* it is the first one */
+ new_routing->routing_father = NULL;
+ global_routing->root = new_routing;
+
+ } else if (current_routing != NULL && global_routing->root != NULL) {
+
+ xbt_assert1(!xbt_dict_get_or_null
+ (current_routing->routing_sons, AS_id),
+ "The AS \"%s\" already exist", AS_id);
+ /* it is a part of the tree */
+ new_routing->routing_father = current_routing;
+ /* set the father behavior */
+ if (current_routing->hierarchy == SURF_ROUTING_NULL)
+ current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
+ /* add to the sons dictionary */
+ xbt_dict_set(current_routing->routing_sons, AS_id,
+ (void *) new_routing, NULL);
+ /* add to the father element list */
+ (*(current_routing->set_autonomous_system)) (current_routing, AS_id);
+ /* unload the prev parse rules */
+ (*(current_routing->routing->unload)) ();
- /* And now the internal routes */
- xbt_dynar_foreach(names,it1,name1) {
- xbt_dynar_foreach(names,it2,name2) {
- if (strcmp(name1,name2)) {
- A_surfxml_route_action = A_surfxml_route_action_POSTPEND;
- SURFXML_BUFFER_SET(route_src,name1);
- SURFXML_BUFFER_SET(route_dst,name2);
- SURFXML_START_TAG(route); {
- /* FIXME: name1 link is added by error about 20 lines below, so don't add it here
- SURFXML_BUFFER_SET(link_c_ctn_id, name1);
- SURFXML_START_TAG(link_c_ctn);
- SURFXML_END_TAG(link_c_ctn);
- */
- SURFXML_BUFFER_SET(link_c_ctn_id, backbone_name);
- SURFXML_START_TAG(link_c_ctn);
- SURFXML_END_TAG(link_c_ctn);
-
- SURFXML_BUFFER_SET(link_c_ctn_id, name2);
- SURFXML_START_TAG(link_c_ctn);
- SURFXML_END_TAG(link_c_ctn);
-
- } SURFXML_END_TAG(route);
- }
- }
+ } else {
+ THROW0(arg_error, 0, "All defined components must be belong to a AS");
}
+ /* set the new parse rules */
+ (*(new_routing->routing->load)) ();
+ /* set the new current component of the tree */
+ current_routing = new_routing;
+}
- /* Make route multi with the outside world, i.e. cluster->$* */
-
- /* FIXME
- * This also adds an elements to the routes within the cluster,
- * and I guess it's wrong, but since this element is commented out in the above
- * code creating the internal routes, we're good.
- * To fix it, I'd say that we need a way to understand "$*-${cluster_id}" as "whole world, but the guys in that cluster"
- * But for that, we need to install a real expression parser for src/dst attributes
- *
- * FIXME
- * This also adds a dumb element (the private link) in place of the loopback. Then, since
- * the loopback is added only if no link to self already exist, this fails.
- * That's really dumb.
- *
- * FIXME
- * It seems to me that it does not add the backbone to the path to outside world...
- */
- SURFXML_BUFFER_SET(route_c_multi_src, cluster_id);
- SURFXML_BUFFER_SET(route_c_multi_dst, "$*");
- A_surfxml_route_c_multi_symmetric = A_surfxml_route_c_multi_symmetric_NO;
- A_surfxml_route_c_multi_action = A_surfxml_route_c_multi_action_PREPEND;
-
- SURFXML_START_TAG(route_c_multi);
-
- SURFXML_BUFFER_SET(link_c_ctn_id, "$src");
-
- SURFXML_START_TAG(link_c_ctn);
- SURFXML_END_TAG(link_c_ctn);
-
- SURFXML_END_TAG(route_c_multi);
-
- free(backbone_name);
-
- /* Restore buff */
- surfxml_bufferstack_pop(1);
+/*
+ * Detect the routing model type of the routing component from XML platforms
+ */
+static void parse_S_AS_XML(void)
+{
+ parse_S_AS(A_surfxml_AS_id, A_surfxml_AS_routing);
}
+/*
+ * define the routing model type of routing component from lua script
+ */
+static void parse_S_AS_lua(char *id, char *mode)
+{
+ parse_S_AS(id, mode);
+}
-static void routing_full_parse_end(void) {
- routing_full_t routing = (routing_full_t) used_routing;
- int nb_link = 0;
- unsigned int cpt = 0;
- xbt_dict_cursor_t cursor = NULL;
- char *key, *data, *end;
- const char *sep = "#";
- xbt_dynar_t links, keys;
- char *link_name = NULL;
- int i,j;
-
- int host_count = routing->generic_routing.host_count;
-
- /* Create the routing table */
- routing->routing_table = xbt_new0(xbt_dynar_t, host_count * host_count);
- for (i=0;i<host_count;i++)
- for (j=0;j<host_count;j++)
- ROUTE_FULL(i,j) = xbt_dynar_new(routing->size_of_link,NULL);
-
- /* Put the routes in position */
- xbt_dict_foreach(route_table, cursor, key, data) {
- nb_link = 0;
- links = (xbt_dynar_t) data;
- keys = xbt_str_split_str(key, sep);
-
- src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
- dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
- xbt_dynar_free(&keys);
-
- if(xbt_dynar_length(links) == 1){
- s_onelink_t new_link = (s_onelink_t) xbt_malloc0(sizeof(s_onelink));
- new_link->src_id = src_id;
- new_link->dst_id = dst_id;
- link_name = xbt_dynar_getfirst_as(links, char*);
- new_link->link_ptr = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
- DEBUG3("Adding onelink route from (#%d) to (#%d), link_name %s",src_id, dst_id, link_name);
- xbt_dict_set(onelink_routes, link_name, (void *)new_link, onelink_route_elem_free);
-#ifdef HAVE_TRACING
- TRACE_surf_link_save_endpoints (link_name, src_id, dst_id);
-#endif
- }
- if(ISROUTER(src_id) || ISROUTER(dst_id)) {
- DEBUG2("There is route with a router here: (%d ,%d)",src_id,dst_id);
- /* Check there is only one link in the route and store the information */
- continue;
- }
+/**
+ * \brief Finish the creation of a new routing component
+ *
+ * When you finish to read the routing component, other structures must be created.
+ * the "end" method allow to do that for any routing model type
+ */
+static void parse_E_AS(char *AS_id)
+{
- DEBUG4("Handle %d %d (from %d hosts): %ld links",
- src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links));
- xbt_dynar_foreach(links, cpt, link_name) {
- void* link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
- if (link)
- xbt_dynar_push(ROUTE_FULL(src_id,dst_id),&link);
- else
- THROW1(mismatch_error,0,"Link %s not found", link_name);
- }
+ if (current_routing == NULL) {
+ THROW1(arg_error, 0, "Close AS(%s), that never open", AS_id);
+ } else {
+ network_element_info_t info = NULL;
+ xbt_assert1(!xbt_dict_get_or_null
+ (global_routing->where_network_elements,
+ current_routing->name), "The AS \"%s\" already exist",
+ current_routing->name);
+ info = xbt_new0(s_network_element_info_t, 1);
+ info->rc_component = current_routing->routing_father;
+ info->rc_type = SURF_NETWORK_ELEMENT_AS;
+ xbt_dict_set(global_routing->where_network_elements,
+ current_routing->name, info, NULL);
+ (*(current_routing->routing->unload)) ();
+ (*(current_routing->routing->end)) ();
+ current_routing = current_routing->routing_father;
+ if (current_routing != NULL)
+ (*(current_routing->routing->load)) ();
}
-
- /* Add the loopback if needed */
- for (i = 0; i < host_count; i++)
- if (!xbt_dynar_length(ROUTE_FULL(i, i)))
- xbt_dynar_push(ROUTE_FULL(i,i),&routing->loopback);
-
- /* Shrink the dynar routes (save unused slots) */
- for (i=0;i<host_count;i++)
- for (j=0;j<host_count;j++)
- xbt_dynar_shrink(ROUTE_FULL(i,j),0);
}
/*
- * Business methods
+ * \brief Finish the creation of a new routing component from XML
*/
-static xbt_dynar_t routing_full_get_route(int src,int dst) {
- xbt_assert0(!(ISROUTER(src) || ISROUTER(dst)), "Ask for route \"from\" or \"to\" a router node");
- return ROUTE_FULL(src,dst);
+static void parse_E_AS_XML(void)
+{
+ parse_E_AS(A_surfxml_AS_id);
}
-static xbt_dict_t routing_full_get_onelink_routes(void){
- return onelink_routes;
+/*
+ * \brief Finish the creation of a new routing component from lua
+ */
+static void parse_E_AS_lua(char *id)
+{
+ parse_E_AS(id);
}
-static int routing_full_is_router(int id){
- return ISROUTER(id);
-}
+/* Aux Business methods */
-static void routing_full_finalize(void) {
- routing_full_t routing = (routing_full_t)used_routing;
- int i,j;
+/**
+ * \brief Get the AS father and the first elements of the chain
+ *
+ * \param src the source host name
+ * \param dst the destination host name
+ *
+ * Get the common father of the to processing units, and the first different
+ * father in the chain
+ */
+static xbt_dynar_t elements_father(const char *src, const char *dst)
+{
- if (routing) {
- for (i = 0; i < used_routing->host_count; i++)
- for (j = 0; j < used_routing->host_count; j++)
- xbt_dynar_free(&ROUTE_FULL(i, j));
- free(routing->routing_table);
- xbt_dict_free(&used_routing->host_id);
- xbt_dict_free(&onelink_routes);
- free(routing);
- routing=NULL;
+ xbt_assert0(src && dst, "bad parameters for \"elements_father\" method");
+
+ xbt_dynar_t result = xbt_dynar_new(sizeof(char *), NULL);
+
+ routing_component_t src_as, dst_as;
+ int index_src, index_dst, index_father_src, index_father_dst;
+ xbt_dynar_t path_src = NULL;
+ xbt_dynar_t path_dst = NULL;
+ routing_component_t current = NULL;
+ routing_component_t *current_src = NULL;
+ routing_component_t *current_dst = NULL;
+ routing_component_t *father = NULL;
+
+ /* (1) find the as where the src and dst are located */
+ src_as = ((network_element_info_t)
+ xbt_dict_get_or_null(global_routing->where_network_elements,
+ src))->rc_component;
+ dst_as = ((network_element_info_t)
+ xbt_dict_get_or_null(global_routing->where_network_elements,
+ dst))->rc_component;
+ xbt_assert2(src_as
+ && dst_as,
+ "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
+ dst);
+
+ /* (2) find the path to the root routing component */
+ path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
+ current = src_as;
+ while (current != NULL) {
+ xbt_dynar_push(path_src, ¤t);
+ current = current->routing_father;
}
-}
+ path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
+ current = dst_as;
+ while (current != NULL) {
+ xbt_dynar_push(path_dst, ¤t);
+ current = current->routing_father;
+ }
+
+ /* (3) find the common father */
+ index_src = (path_src->used) - 1;
+ index_dst = (path_dst->used) - 1;
+ current_src = xbt_dynar_get_ptr(path_src, index_src);
+ current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
+ while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
+ current_src = xbt_dynar_get_ptr(path_src, index_src);
+ current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
+ index_src--;
+ index_dst--;
+ }
+ index_src++;
+ index_dst++;
+ current_src = xbt_dynar_get_ptr(path_src, index_src);
+ current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
-static void routing_model_full_create(size_t size_of_link,void *loopback) {
- /* initialize our structure */
- routing_full_t routing = xbt_new0(s_routing_full_t,1);
- routing->generic_routing.name = "Full";
- routing->generic_routing.host_count = 0;
- routing->generic_routing.get_route = routing_full_get_route;
- routing->generic_routing.get_onelink_routes = routing_full_get_onelink_routes;
- routing->generic_routing.is_router = routing_full_is_router;
- routing->generic_routing.finalize = routing_full_finalize;
+ /* (4) they are not in the same routing component, make the path */
+ index_father_src = index_src + 1;
+ index_father_dst = index_dst + 1;
- routing->size_of_link = size_of_link;
- routing->loopback = loopback;
+ if (*current_src == *current_dst)
+ father = current_src;
+ else
+ father = xbt_dynar_get_ptr(path_src, index_father_src);
- /* Set it in position */
- used_routing = (routing_t) routing;
+ /* (5) result generation */
+ xbt_dynar_push(result, father); /* first same the father of src and dst */
+ xbt_dynar_push(result, current_src); /* second the first different father of src */
+ xbt_dynar_push(result, current_dst); /* three the first different father of dst */
- /* Set the dict for onehop routes */
- onelink_routes = xbt_dict_new();
+ xbt_dynar_free(&path_src);
+ xbt_dynar_free(&path_dst);
- /* Setup the parsing callbacks we need */
- routing->generic_routing.host_id = xbt_dict_new();
- surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost);
- surfxml_add_callback(STag_surfxml_router_cb_list, &routing_full_parse_Srouter);
- surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_full_parse_end);
- surfxml_add_callback(STag_surfxml_route_cb_list,
- &routing_full_parse_Sroute_set_endpoints);
- surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute);
- surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_full_parse_Scluster);
+ return result;
}
-/* ************************************************************************** */
+/* Global Business methods */
-static void routing_shortest_path_parse_Scluster(void)
+/**
+ * \brief Recursive function for get_route
+ *
+ * \param src the source host name
+ * \param dst the destination host name
+ *
+ * This fuction is call by "get_route". It allow to walk through the
+ * routing components tree.
+ */
+static route_extended_t _get_route(const char *src, const char *dst)
{
- static int AX_ptr = 0;
- char *cluster_id = A_surfxml_cluster_id;
- char *cluster_prefix = A_surfxml_cluster_prefix;
- char *cluster_suffix = A_surfxml_cluster_suffix;
- char *cluster_radical = A_surfxml_cluster_radical;
- char *cluster_power = A_surfxml_cluster_power;
- char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
- char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
- char *backbone_name;
-
- surfxml_bufferstack_push(1);
-
- /* Make set */
- SURFXML_BUFFER_SET(set_id, cluster_id);
- SURFXML_BUFFER_SET(set_prefix, cluster_prefix);
- SURFXML_BUFFER_SET(set_suffix, cluster_suffix);
- SURFXML_BUFFER_SET(set_radical, cluster_radical);
-
- SURFXML_START_TAG(set);
- SURFXML_END_TAG(set);
-
- /* Make foreach */
- SURFXML_BUFFER_SET(foreach_set_id, cluster_id);
-
- SURFXML_START_TAG(foreach);
+ void *link;
+ unsigned int cpt = 0;
- /* Make host for the foreach */
- routing_full_parse_change_cpu_data("$1", cluster_power, "1.0", "", "");
- A_surfxml_host_state = A_surfxml_host_state_ON;
+ DEBUG2("Solve route \"%s\" to \"%s\"", src, dst);
- SURFXML_START_TAG(host);
- SURFXML_END_TAG(host);
+ xbt_assert0(src && dst, "bad parameters for \"_get_route\" method");
- SURFXML_END_TAG(foreach);
+ route_extended_t e_route, e_route_cnt, e_route_src = NULL, e_route_dst =
+ NULL;
- /* Make backbone link */
- backbone_name = bprintf("%s_bb", cluster_id);
- routing_full_parse_change_link_data(backbone_name, cluster_bb_bw, "", cluster_bb_lat, "",
- "");
- A_surfxml_link_state = A_surfxml_link_state_ON;
- A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;
+ xbt_dynar_t elem_father_list = elements_father(src, dst);
- SURFXML_START_TAG(link);
- SURFXML_END_TAG(link);
+ routing_component_t common_father =
+ xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
+ routing_component_t src_father =
+ xbt_dynar_get_as(elem_father_list, 1, routing_component_t);
+ routing_component_t dst_father =
+ xbt_dynar_get_as(elem_father_list, 2, routing_component_t);
- free(backbone_name);
+ e_route = xbt_new0(s_route_extended_t, 1);
+ e_route->src_gateway = NULL;
+ e_route->dst_gateway = NULL;
+ e_route->generic_route.link_list =
+ xbt_dynar_new(global_routing->size_of_link, NULL);
- /* Restore buff */
- surfxml_bufferstack_pop(1);
-}
+ if (src_father == dst_father) { /* SURF_ROUTING_BASE */
-/* ************************************************************************** */
-/* *************************** FLOYD ROUTING ********************************* */
-typedef struct {
- s_routing_t generic_routing;
- int *predecessor_table;
- void** link_table;
- xbt_dynar_t last_route;
- void *loopback;
- size_t size_of_link;
-} s_routing_floyd_t,*routing_floyd_t;
-
-#define FLOYD_COST(i,j) cost_table[(i)+(j)*(used_routing)->host_count]
-#define FLOYD_PRED(i,j) ((routing_floyd_t)used_routing)->predecessor_table[(i)+(j)*(used_routing)->host_count]
-#define FLOYD_LINK(i,j) ((routing_floyd_t)used_routing)->link_table[(i)+(j)*(used_routing)->host_count]
-
-static void routing_floyd_parse_end(void) {
-
- routing_floyd_t routing = (routing_floyd_t) used_routing;
- int nb_link = 0;
- void* link_list = NULL;
- double * cost_table;
- xbt_dict_cursor_t cursor = NULL;
- char *key,*data, *end;
- const char *sep = "#";
- xbt_dynar_t links, keys;
-
- unsigned int i,j;
- unsigned int a,b,c;
- int host_count = routing->generic_routing.host_count;
- char * link_name = NULL;
- void * link = NULL;
-
- /* Create Cost, Predecessor and Link tables */
- cost_table = xbt_new0(double, host_count * host_count); //link cost from host to host
- routing->predecessor_table = xbt_new0(int, host_count*host_count); //predecessor host numbers
- routing->link_table = xbt_new0(void*,host_count*host_count); //actual link between src and dst
- routing->last_route = xbt_dynar_new(routing->size_of_link, NULL);
-
- /* Initialize costs and predecessors*/
- for(i = 0; i<host_count;i++)
- for(j = 0; j<host_count;j++) {
- FLOYD_COST(i,j) = DBL_MAX;
- FLOYD_PRED(i,j) = -1;
+ if (strcmp(src, dst)) {
+ e_route_cnt =
+ (*(common_father->get_route)) (common_father, src, dst);
+ xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"", src,
+ dst);
+ xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
+ xbt_dynar_push(e_route->generic_route.link_list, &link);
+ }
+ generic_free_extended_route(e_route_cnt);
}
- /* Put the routes in position */
- xbt_dict_foreach(route_table, cursor, key, data) {
- nb_link = 0;
- links = (xbt_dynar_t)data;
- keys = xbt_str_split_str(key, sep);
-
-
- src_id = strtol(xbt_dynar_get_as(keys, 0, char*), &end, 16);
- dst_id = strtol(xbt_dynar_get_as(keys, 1, char*), &end, 16);
- xbt_dynar_free(&keys);
-
- DEBUG4("Handle %d %d (from %d hosts): %ld links",
- src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links));
- xbt_assert3(xbt_dynar_length(links) == 1, "%ld links in route between host %d and %d, should be 1", xbt_dynar_length(links), src_id, dst_id);
-
- link_name = xbt_dynar_getfirst_as(links, char*);
- link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
-
- if (link)
- link_list = link;
- else
- THROW1(mismatch_error,0,"Link %s not found", link_name);
-
-
- FLOYD_LINK(src_id,dst_id) = link_list;
- FLOYD_PRED(src_id, dst_id) = src_id;
+ } else { /* SURF_ROUTING_RECURSIVE */
- //link cost
- FLOYD_COST(src_id, dst_id) = 1; // assume 1 for now
+ route_extended_t e_route_bypass = NULL;
- }
+ if (common_father->get_bypass_route)
+ e_route_bypass =
+ (*(common_father->get_bypass_route)) (common_father, src, dst);
- /* Add the loopback if needed */
- for (i = 0; i < host_count; i++)
- if (!FLOYD_PRED(i, i)) {
- FLOYD_PRED(i, i) = i;
- FLOYD_COST(i, i) = 1;
- FLOYD_LINK(i, i) = routing->loopback;
+ if (e_route_bypass)
+ e_route_cnt = e_route_bypass;
+ else
+ e_route_cnt =
+ (*(common_father->get_route)) (common_father, src_father->name,
+ dst_father->name);
+
+ xbt_assert2(e_route_cnt, "no route between \"%s\" and \"%s\"",
+ src_father->name, dst_father->name);
+
+ xbt_assert2((e_route_cnt->src_gateway == NULL) ==
+ (e_route_cnt->dst_gateway == NULL),
+ "bad gateway for route between \"%s\" and \"%s\"", src,
+ dst);
+
+ if (src != e_route_cnt->src_gateway) {
+ e_route_src = _get_route(src, e_route_cnt->src_gateway);
+ xbt_assert2(e_route_src, "no route between \"%s\" and \"%s\"", src,
+ e_route_cnt->src_gateway);
+ xbt_dynar_foreach(e_route_src->generic_route.link_list, cpt, link) {
+ xbt_dynar_push(e_route->generic_route.link_list, &link);
+ }
}
+ xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
+ xbt_dynar_push(e_route->generic_route.link_list, &link);
+ }
- //Calculate path costs
-
- for(c=0;c<host_count;c++) {
- for(a=0;a<host_count;a++) {
- for(b=0;b<host_count;b++) {
- if(FLOYD_COST(a,c) < DBL_MAX && FLOYD_COST(c,b) < DBL_MAX) {
- if(FLOYD_COST(a,b) == DBL_MAX || (FLOYD_COST(a,c)+FLOYD_COST(c,b) < FLOYD_COST(a,b))) {
- FLOYD_COST(a,b) = FLOYD_COST(a,c)+FLOYD_COST(c,b);
- FLOYD_PRED(a,b) = FLOYD_PRED(c,b);
- }
- }
+ if (e_route_cnt->dst_gateway != dst) {
+ e_route_dst = _get_route(e_route_cnt->dst_gateway, dst);
+ xbt_assert2(e_route_dst, "no route between \"%s\" and \"%s\"",
+ e_route_cnt->dst_gateway, dst);
+ xbt_dynar_foreach(e_route_dst->generic_route.link_list, cpt, link) {
+ xbt_dynar_push(e_route->generic_route.link_list, &link);
}
}
+
+ e_route->src_gateway = xbt_strdup(e_route_cnt->src_gateway);
+ e_route->dst_gateway = xbt_strdup(e_route_cnt->dst_gateway);
+
+ generic_free_extended_route(e_route_src);
+ generic_free_extended_route(e_route_cnt);
+ generic_free_extended_route(e_route_dst);
}
- //cleanup
- free(cost_table);
+ xbt_dynar_free(&elem_father_list);
+
+ return e_route;
}
-/*
- * Business methods
+/**
+ * \brief Generic method: find a route between hosts
+ *
+ * \param src the source host name
+ * \param dst the destination host name
+ *
+ * walk through the routing components tree and find a route between hosts
+ * by calling the differents "get_route" functions in each routing component.
+ * No need to free the returned dynar. It will be freed at the next call.
*/
-static xbt_dynar_t routing_floyd_get_route(int src_id,int dst_id) {
+static xbt_dynar_t get_route(const char *src, const char *dst)
+{
- routing_floyd_t routing = (routing_floyd_t) used_routing;
+ route_extended_t e_route;
+ xbt_dynar_t elem_father_list = elements_father(src, dst);
+ routing_component_t common_father =
+ xbt_dynar_get_as(elem_father_list, 0, routing_component_t);
- int pred = dst_id;
- int prev_pred = 0;
+ if (strcmp(src, dst))
+ e_route = _get_route(src, dst);
+ else
+ e_route = (*(common_father->get_route)) (common_father, src, dst);
- xbt_dynar_reset(routing->last_route);
+ xbt_assert2(e_route, "no route between \"%s\" and \"%s\"", src, dst);
- do {
- prev_pred = pred;
- pred = FLOYD_PRED(src_id, pred);
+ if (global_routing->last_route)
+ xbt_dynar_free(&(global_routing->last_route));
+ global_routing->last_route = e_route->generic_route.link_list;
- if(pred == -1) // if no pred in route -> no route to host
- break;
+ if (e_route->src_gateway)
+ xbt_free(e_route->src_gateway);
+ if (e_route->dst_gateway)
+ xbt_free(e_route->dst_gateway);
- xbt_dynar_unshift(routing->last_route, &FLOYD_LINK(pred,prev_pred));
+ xbt_free(e_route);
+ xbt_dynar_free(&elem_father_list);
- } while(pred != src_id);
+ if (xbt_dynar_length(global_routing->last_route) == 0)
+ return NULL;
+ else
+ return global_routing->last_route;
+}
- xbt_assert2(pred != -1, "no route from host %d to %d", src_id, dst_id);
+/**
+ * \brief Generic method: find a route between hosts
+ *
+ * \param src the source host name
+ * \param dst the destination host name
+ *
+ * walk through the routing components tree and find a route between hosts
+ * by calling the differents "get_route" functions in each routing component.
+ * Leaves the caller the responsability to clean the returned dynar.
+ */
+static xbt_dynar_t get_route_no_cleanup(const char *src, const char *dst)
+{
+ xbt_dynar_t d = get_route(src,dst);
+ global_routing->last_route = NULL;
+ return d;
+}
- return routing->last_route;
+/**
+ * \brief Recursive function for finalize
+ *
+ * \param rc the source host name
+ *
+ * This fuction is call by "finalize". It allow to finalize the
+ * AS or routing components. It delete all the structures.
+ */
+static void _finalize(routing_component_t rc)
+{
+ if (rc) {
+ xbt_dict_cursor_t cursor = NULL;
+ char *key;
+ routing_component_t elem;
+ xbt_dict_foreach(rc->routing_sons, cursor, key, elem) {
+ _finalize(elem);
+ }
+ xbt_dict_t tmp_sons = rc->routing_sons;
+ char *tmp_name = rc->name;
+ xbt_dict_free(&tmp_sons);
+ xbt_free(tmp_name);
+ xbt_assert1(rc->finalize, "no defined method \"finalize\" in \"%s\"",
+ current_routing->name);
+ (*(rc->finalize)) (rc);
+ }
}
-static void routing_floyd_finalize(void) {
- routing_floyd_t routing = (routing_floyd_t)used_routing;
+/**
+ * \brief Generic method: delete all the routing structures
+ *
+ * walk through the routing components tree and delete the structures
+ * by calling the differents "finalize" functions in each routing component
+ */
+static void finalize(void)
+{
+ /* delete recursibly all the tree */
+ _finalize(global_routing->root);
+ /* delete "where" dict */
+ xbt_dict_free(&(global_routing->where_network_elements));
+ /* delete last_route */
+ xbt_dynar_free(&(global_routing->last_route));
+ /* delete global routing structure */
+ xbt_free(global_routing);
+}
- if (routing) {
- free(routing->link_table);
- free(routing->predecessor_table);
- xbt_dynar_free(&routing->last_route);
- xbt_dict_free(&used_routing->host_id);
- free(routing);
- routing=NULL;
+static xbt_dynar_t recursive_get_onelink_routes(routing_component_t rc)
+{
+ xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
+
+ //adding my one link routes
+ unsigned int cpt;
+ void *link;
+ xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
+ if (onelink_mine) {
+ xbt_dynar_foreach(onelink_mine, cpt, link) {
+ xbt_dynar_push(ret, &link);
+ }
+ }
+ //recursing
+ char *key;
+ xbt_dict_cursor_t cursor = NULL;
+ routing_component_t rc_child;
+ xbt_dict_foreach(rc->routing_sons, cursor, key, rc_child) {
+ xbt_dynar_t onelink_child = recursive_get_onelink_routes(rc_child);
+ if (onelink_child) {
+ xbt_dynar_foreach(onelink_child, cpt, link) {
+ xbt_dynar_push(ret, &link);
+ }
+ }
}
+ return ret;
}
-static xbt_dict_t routing_floyd_get_onelink_routes(void){
- xbt_assert0(0,"The get_onelink_routes feature is not supported in routing model Floyd");
+static xbt_dynar_t get_onelink_routes(void)
+{
+ return recursive_get_onelink_routes(global_routing->root);
}
-static int routing_floyd_is_router(int id){
- xbt_assert0(0,"The get_is_router feature is not supported in routing model Floyd");
+static e_surf_network_element_type_t get_network_element_type(const char
+ *name)
+{
+ network_element_info_t rc = NULL;
+ rc = xbt_dict_get(global_routing->where_network_elements, name);
+ return rc->rc_type;
}
-static void routing_model_floyd_create(size_t size_of_link,void *loopback) {
- /* initialize our structure */
- routing_floyd_t routing = xbt_new0(s_routing_floyd_t,1);
- routing->generic_routing.name = "Floyd";
- routing->generic_routing.host_count = 0;
- routing->generic_routing.host_id = xbt_dict_new();
- routing->generic_routing.get_route = routing_floyd_get_route;
- routing->generic_routing.get_onelink_routes = routing_floyd_get_onelink_routes;
- routing->generic_routing.is_router = routing_floyd_is_router;
- routing->generic_routing.finalize = routing_floyd_finalize;
- routing->size_of_link = size_of_link;
- routing->loopback = loopback;
+/**
+ * \brief Generic method: create the global routing schema
+ *
+ * Make a global routing structure and set all the parsing functions.
+ */
+void routing_model_create(size_t size_of_links, void *loopback)
+{
+
+ /* config the uniq global routing */
+ global_routing = xbt_new0(s_routing_global_t, 1);
+ global_routing->where_network_elements = xbt_dict_new();
+ global_routing->root = NULL;
+ global_routing->get_route = get_route;
+ global_routing->get_route_no_cleanup = get_route_no_cleanup;
+ global_routing->get_onelink_routes = get_onelink_routes;
+ global_routing->get_network_element_type = get_network_element_type;
+ global_routing->finalize = finalize;
+ global_routing->loopback = loopback;
+ global_routing->size_of_link = size_of_links;
+ global_routing->last_route = NULL;
+
+ /* no current routing at moment */
+ current_routing = NULL;
+
+ /* parse generic elements */
+ surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
+ surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router);
- /* Set it in position */
- used_routing = (routing_t) routing;
-
- /* Setup the parsing callbacks we need */
- surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost);
- surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_floyd_parse_end);
- surfxml_add_callback(STag_surfxml_route_cb_list,
- &routing_full_parse_Sroute_set_endpoints);
- surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute);
- surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_shortest_path_parse_Scluster);
-
+ surfxml_add_callback(STag_surfxml_route_cb_list,
+ &parse_S_route_new_and_endpoints_XML);
+ surfxml_add_callback(STag_surfxml_ASroute_cb_list,
+ &parse_S_ASroute_new_and_endpoints);
+ surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
+ &parse_S_bypassRoute_new_and_endpoints);
+
+ surfxml_add_callback(ETag_surfxml_link_ctn_cb_list,
+ &parse_E_link_ctn_new_elem_XML);
+
+ surfxml_add_callback(ETag_surfxml_route_cb_list,
+ &parse_E_route_store_route);
+ surfxml_add_callback(ETag_surfxml_ASroute_cb_list,
+ &parse_E_ASroute_store_route);
+ surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
+ &parse_E_bypassRoute_store_route);
+
+ surfxml_add_callback(STag_surfxml_AS_cb_list, &parse_S_AS_XML);
+ surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS_XML);
+
+ surfxml_add_callback(STag_surfxml_cluster_cb_list,
+ &routing_parse_Scluster);
+
+ surfxml_add_callback(STag_surfxml_config_cb_list,
+ &routing_parse_Sconfig);
+ surfxml_add_callback(ETag_surfxml_config_cb_list,
+ &routing_parse_Econfig);
}
/* ************************************************************************** */
-/* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
-typedef struct {
- s_routing_t generic_routing;
- xbt_graph_t route_graph;
- xbt_dict_t graph_node_map;
- xbt_dict_t route_cache;
- xbt_dynar_t last_route;
- int cached;
- void *loopback;
- size_t size_of_link;
-} s_routing_dijkstra_t,*routing_dijkstra_t;
-
-
-typedef struct graph_node_data {
- int id;
- int graph_id; //used for caching internal graph id's
-} s_graph_node_data_t, * graph_node_data_t;
+/* *************************** FULL ROUTING ********************************* */
-typedef struct graph_node_map_element {
- xbt_node_t node;
-} s_graph_node_map_element_t, * graph_node_map_element_t;
+#define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
-typedef struct route_cache_element {
- int * pred_arr;
- int size;
-} s_route_cache_element_t, * route_cache_element_t;
+/* Routing model structure */
-/*
- * Free functions
- */
-static void route_cache_elem_free(void *e) {
- route_cache_element_t elm=(route_cache_element_t)e;
+typedef struct {
+ s_routing_component_t generic_routing;
+ route_extended_t *routing_table;
+} s_routing_component_full_t, *routing_component_full_t;
- if (elm) {
- free(elm->pred_arr);
- free(elm);
+/* Business methods */
+static xbt_dynar_t full_get_onelink_routes(routing_component_t rc)
+{
+ xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
+
+ routing_component_full_t routing = (routing_component_full_t) rc;
+ size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
+ xbt_dict_cursor_t c1 = NULL, c2 = NULL;
+ char *k1, *d1, *k2, *d2;
+ xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
+ xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
+ int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k1);
+ int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, k2);
+ xbt_assert2(src_id
+ && dst_id,
+ "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
+ src, dst);
+ route_extended_t route = TO_ROUTE_FULL(*src_id, *dst_id);
+ if (route) {
+ if (xbt_dynar_length(route->generic_route.link_list) == 1) {
+ void *link =
+ *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
+ 0);
+ onelink_t onelink = xbt_new0(s_onelink_t, 1);
+ onelink->link_ptr = link;
+ if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
+ onelink->src = xbt_strdup(k1);
+ onelink->dst = xbt_strdup(k2);
+ } else if (routing->generic_routing.hierarchy ==
+ SURF_ROUTING_RECURSIVE) {
+ onelink->src = xbt_strdup(route->src_gateway);
+ onelink->dst = xbt_strdup(route->dst_gateway);
+ }
+ xbt_dynar_push(ret, &onelink);
+ }
+ }
+ }
}
+ return ret;
}
-static void graph_node_map_elem_free(void *e) {
- graph_node_map_element_t elm = (graph_node_map_element_t)e;
+static route_extended_t full_get_route(routing_component_t rc,
+ const char *src, const char *dst)
+{
+ xbt_assert1(rc && src
+ && dst,
+ "Invalid params for \"get_route\" function at AS \"%s\"",
+ rc->name);
+
+ /* set utils vars */
+ routing_component_full_t routing = (routing_component_full_t) rc;
+ size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
+
+ generic_src_dst_check(rc, src, dst);
+ int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
+ int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
+ xbt_assert2(src_id
+ && dst_id,
+ "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
+ src, dst);
+
+ route_extended_t e_route = NULL;
+ route_extended_t new_e_route = NULL;
+ void *link;
+ unsigned int cpt = 0;
+
+ e_route = TO_ROUTE_FULL(*src_id, *dst_id);
- if(elm) {
- free(elm);
+ if (e_route) {
+ new_e_route = xbt_new0(s_route_extended_t, 1);
+ new_e_route->src_gateway = xbt_strdup(e_route->src_gateway);
+ new_e_route->dst_gateway = xbt_strdup(e_route->dst_gateway);
+ new_e_route->generic_route.link_list =
+ xbt_dynar_new(global_routing->size_of_link, NULL);
+ xbt_dynar_foreach(e_route->generic_route.link_list, cpt, link) {
+ xbt_dynar_push(new_e_route->generic_route.link_list, &link);
+ }
}
+ return new_e_route;
}
-/*
- * Utility functions
-*/
-static xbt_node_t route_graph_new_node(int id, int graph_id) {
- xbt_node_t node = NULL;
- graph_node_data_t data = NULL;
- graph_node_map_element_t elm = NULL;
- routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
-
- data = xbt_new0(struct graph_node_data, sizeof(struct graph_node_data));
- data->id = id;
- data->graph_id = graph_id;
- node = xbt_graph_new_node(routing->route_graph, data);
-
- elm = xbt_new0(struct graph_node_map_element, sizeof(struct graph_node_map_element));
- elm->node = node;
- xbt_dict_set_ext(routing->graph_node_map, (char*)(&id), sizeof(int), (xbt_set_elm_t)elm, &graph_node_map_elem_free);
-
- return node;
+static void full_finalize(routing_component_t rc)
+{
+ routing_component_full_t routing = (routing_component_full_t) rc;
+ size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
+ int i, j;
+ if (routing) {
+ /* Delete routing table */
+ for (i = 0; i < table_size; i++)
+ for (j = 0; j < table_size; j++)
+ generic_free_extended_route(TO_ROUTE_FULL(i, j));
+ xbt_free(routing->routing_table);
+ /* Delete bypass dict */
+ xbt_dict_free(&rc->bypassRoutes);
+ /* Delete index dict */
+ xbt_dict_free(&rc->to_index);
+ /* Delete structure */
+ xbt_free(rc);
+ }
}
-static graph_node_map_element_t graph_node_map_search(int id) {
- routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
+/* Creation routing model functions */
- graph_node_map_element_t elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&id), sizeof(int));
+static void *model_full_create(void)
+{
+ routing_component_full_t new_component =
+ xbt_new0(s_routing_component_full_t, 1);
+ new_component->generic_routing.set_processing_unit =
+ generic_set_processing_unit;
+ new_component->generic_routing.set_autonomous_system =
+ generic_set_autonomous_system;
+ new_component->generic_routing.set_route = model_full_set_route;
+ new_component->generic_routing.set_ASroute = model_full_set_route;
+ new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
+ new_component->generic_routing.get_route = full_get_route;
+ new_component->generic_routing.get_onelink_routes =
+ full_get_onelink_routes;
+ new_component->generic_routing.get_bypass_route =
+ generic_get_bypassroute;
+ new_component->generic_routing.finalize = full_finalize;
+ new_component->generic_routing.to_index = xbt_dict_new();
+ new_component->generic_routing.bypassRoutes = xbt_dict_new();
+ return new_component;
+}
- return elm;
+static void model_full_load(void)
+{
+ /* use "surfxml_add_callback" to add a parse function call */
}
-/*
- * Parsing
- */
-static void route_new_dijkstra(int src_id, int dst_id, void* link) {
- routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
+static void model_full_unload(void)
+{
+ /* use "surfxml_del_callback" to remove a parse function call */
+}
- xbt_node_t src = NULL;
- xbt_node_t dst = NULL;
- graph_node_map_element_t src_elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&src_id), sizeof(int));
- graph_node_map_element_t dst_elm = (graph_node_map_element_t)xbt_dict_get_or_null_ext(routing->graph_node_map, (char*)(&dst_id), sizeof(int));
+static void model_full_end(void)
+{
+ unsigned int i;
+ route_extended_t e_route;
- if(src_elm)
- src = src_elm->node;
+ /* set utils vars */
+ routing_component_full_t routing =
+ ((routing_component_full_t) current_routing);
+ size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
- if(dst_elm)
- dst = dst_elm->node;
+ /* Create table if necessary */
+ if(!routing->routing_table)
+ routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
- //add nodes if they don't exist in the graph
- if(src_id == dst_id && src == NULL && dst == NULL) {
- src = route_graph_new_node(src_id, -1);
- dst = src;
- } else {
- if(src == NULL) {
- src = route_graph_new_node(src_id, -1);
- }
-
- if(dst == NULL) {
- dst = route_graph_new_node(dst_id, -1);
+ /* Add the loopback if needed */
+ if (current_routing->hierarchy == SURF_ROUTING_BASE) {
+ for (i = 0; i < table_size; i++) {
+ e_route = TO_ROUTE_FULL(i, i);
+ if (!e_route) {
+ e_route = xbt_new0(s_route_extended_t, 1);
+ e_route->src_gateway = NULL;
+ e_route->dst_gateway = NULL;
+ e_route->generic_route.link_list =
+ xbt_dynar_new(global_routing->size_of_link, NULL);
+ xbt_dynar_push(e_route->generic_route.link_list,
+ &global_routing->loopback);
+ TO_ROUTE_FULL(i, i) = e_route;
+ }
}
}
+}
- //add link as edge to graph
- xbt_graph_new_edge(routing->route_graph, src, dst, link);
-
-}
-
-static void add_loopback_dijkstra(void) {
- routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
-
- xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
-
- xbt_node_t node = NULL;
- unsigned int cursor2;
- xbt_dynar_foreach(nodes, cursor2, node) {
- xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
- xbt_edge_t edge = NULL;
- unsigned int cursor;
-
- int found = 0;
- xbt_dynar_foreach(out_edges, cursor, edge) {
- xbt_node_t other_node = xbt_graph_edge_get_target(edge);
- if(other_node == node) {
- found = 1;
- break;
+static void model_full_set_route(routing_component_t rc, const char *src,
+ const char *dst, name_route_extended_t route)
+{
+ int *src_id, *dst_id;
+ src_id = xbt_dict_get_or_null(rc->to_index, src);
+ dst_id = xbt_dict_get_or_null(rc->to_index, dst);
+ routing_component_full_t routing = ((routing_component_full_t) rc);
+ size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
+
+ xbt_assert2(src_id
+ && dst_id, "Network elements %s or %s not found", src, dst);
+
+ xbt_assert2(xbt_dynar_length(route->generic_route.link_list) > 0,
+ "Invalid count of links, must be greater than zero (%s,%s)",
+ src, dst);
+
+ if(!routing->routing_table)
+ routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
+
+ if(TO_ROUTE_FULL(*src_id, *dst_id))
+ {
+ char * link_name;
+ unsigned int i;
+ xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
+ xbt_dynar_foreach(route->generic_route.link_list,i,link_name)
+ {
+ void *link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
+ xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
+ xbt_dynar_push(link_route_to_test,&link);
+ }
+ xbt_assert2(!xbt_dynar_compare(
+ (void*)TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list,
+ (void*)link_route_to_test,
+ (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
+ "The route between \"%s\" and \"%s\" already exist", src,dst);
+ xbt_free(link_route_to_test);
+ }
+ else
+ {
+ if(!route->dst_gateway && !route->src_gateway)
+ DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
+ else
+ DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
+ route->src_gateway, dst, route->dst_gateway);
+ TO_ROUTE_FULL(*src_id, *dst_id) = generic_new_extended_route(rc->hierarchy,route,1);
+ xbt_dynar_shrink(TO_ROUTE_FULL(*src_id, *dst_id)->generic_route.link_list, 0);
+ }
+
+ if( A_surfxml_route_symetrical == A_surfxml_route_symetrical_YES
+ || A_surfxml_ASroute_symetrical == A_surfxml_ASroute_symetrical_YES )
+ {
+ if(route->dst_gateway && route->src_gateway)
+ {
+ char * gw_src = bprintf("%s",route->src_gateway);
+ char * gw_dst = bprintf("%s",route->dst_gateway);
+ route->src_gateway = bprintf("%s",gw_dst);
+ route->dst_gateway = bprintf("%s",gw_src);
+ }
+ if(TO_ROUTE_FULL(*dst_id, *src_id))
+ {
+ char * link_name;
+ unsigned int i;
+ xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
+ for(i=xbt_dynar_length(route->generic_route.link_list) ;i>0 ;i--)
+ {
+ link_name = xbt_dynar_get_as(route->generic_route.link_list,i-1,void *);
+ void *link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
+ xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
+ xbt_dynar_push(link_route_to_test,&link);
}
+ xbt_assert2(!xbt_dynar_compare(
+ (void*)TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list,
+ (void*)link_route_to_test,
+ (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
+ "The route between \"%s\" and \"%s\" already exist", src,dst);
+ xbt_free(link_route_to_test);
+ }
+ else
+ {
+ if(!route->dst_gateway && !route->src_gateway)
+ DEBUG2("Load Route from \"%s\" to \"%s\"", dst, src);
+ else
+ DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
+ route->src_gateway, src, route->dst_gateway);
+ TO_ROUTE_FULL(*dst_id, *src_id) = generic_new_extended_route(rc->hierarchy,route,0);
+ xbt_dynar_shrink(TO_ROUTE_FULL(*dst_id, *src_id)->generic_route.link_list, 0);
}
- if(!found)
- xbt_graph_new_edge(routing->route_graph, node, node, &routing->loopback);
}
}
-static void routing_dijkstra_parse_end(void) {
- routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
- int nb_link = 0;
- xbt_dict_cursor_t cursor = NULL;
- char *key, *data, *end;
- const char *sep = "#";
- xbt_dynar_t links, keys;
- char* link_name = NULL;
- void* link = NULL;
+/* ************************************************************************** */
+/* *************************** FLOYD ROUTING ******************************** */
+
+#define TO_FLOYD_COST(i,j) (routing->cost_table)[(i)+(j)*table_size]
+#define TO_FLOYD_PRED(i,j) (routing->predecessor_table)[(i)+(j)*table_size]
+#define TO_FLOYD_LINK(i,j) (routing->link_table)[(i)+(j)*table_size]
+
+/* Routing model structure */
+
+typedef struct {
+ s_routing_component_t generic_routing;
+ /* vars for calculate the floyd algorith. */
+ int *predecessor_table;
+ double *cost_table;
+ route_extended_t *link_table; /* char* -> int* */
+} s_routing_component_floyd_t, *routing_component_floyd_t;
+
+static route_extended_t floyd_get_route(routing_component_t rc,
+ const char *src, const char *dst);
+
+/* Business methods */
+static xbt_dynar_t floyd_get_onelink_routes(routing_component_t rc)
+{
+ xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
+
+ routing_component_floyd_t routing = (routing_component_floyd_t) rc;
+ //size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
+ xbt_dict_cursor_t c1 = NULL, c2 = NULL;
+ char *k1, *d1, *k2, *d2;
+ xbt_dict_foreach(routing->generic_routing.to_index, c1, k1, d1) {
+ xbt_dict_foreach(routing->generic_routing.to_index, c2, k2, d2) {
+ route_extended_t route = floyd_get_route(rc, k1, k2);
+ if (route) {
+ if (xbt_dynar_length(route->generic_route.link_list) == 1) {
+ void *link =
+ *(void **) xbt_dynar_get_ptr(route->generic_route.link_list,
+ 0);
+ onelink_t onelink = xbt_new0(s_onelink_t, 1);
+ onelink->link_ptr = link;
+ if (routing->generic_routing.hierarchy == SURF_ROUTING_BASE) {
+ onelink->src = xbt_strdup(k1);
+ onelink->dst = xbt_strdup(k2);
+ } else if (routing->generic_routing.hierarchy ==
+ SURF_ROUTING_RECURSIVE) {
+ onelink->src = xbt_strdup(route->src_gateway);
+ onelink->dst = xbt_strdup(route->dst_gateway);
+ }
+ xbt_dynar_push(ret, &onelink);
+ }
+ }
+ }
+ }
+ return ret;
+}
+
+static route_extended_t floyd_get_route(routing_component_t rc,
+ const char *src, const char *dst)
+{
+ xbt_assert1(rc && src
+ && dst,
+ "Invalid params for \"get_route\" function at AS \"%s\"",
+ rc->name);
+
+ /* set utils vars */
+ routing_component_floyd_t routing = (routing_component_floyd_t) rc;
+ size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
+
+ generic_src_dst_check(rc, src, dst);
+ int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
+ int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
+ xbt_assert2(src_id
+ && dst_id,
+ "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
+ src, dst);
+
+ /* create a result route */
+ route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
+ new_e_route->generic_route.link_list =
+ xbt_dynar_new(global_routing->size_of_link, NULL);
+ new_e_route->src_gateway = NULL;
+ new_e_route->dst_gateway = NULL;
+
+ int first = 1;
+ int pred = *dst_id;
+ int prev_pred = 0;
+ char *gw_src = NULL, *gw_dst =
+ NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
+ unsigned int cpt;
+ void *link;
+ xbt_dynar_t links;
+
+ do {
+ prev_pred = pred;
+ pred = TO_FLOYD_PRED(*src_id, pred);
+ if (pred == -1) /* if no pred in route -> no route to host */
+ break;
+ xbt_assert2(TO_FLOYD_LINK(pred, prev_pred),
+ "Invalid link for the route between \"%s\" or \"%s\"", src,
+ dst);
+
+ prev_gw_src = gw_src;
+ prev_gw_dst = gw_dst;
+
+ route_extended_t e_route = TO_FLOYD_LINK(pred, prev_pred);
+ gw_src = e_route->src_gateway;
+ gw_dst = e_route->dst_gateway;
+
+ if (first)
+ first_gw = gw_dst;
+
+ if (rc->hierarchy == SURF_ROUTING_RECURSIVE && !first
+ && strcmp(gw_dst, prev_gw_src)) {
+ xbt_dynar_t e_route_as_to_as =
+ (*(global_routing->get_route)) (gw_dst, prev_gw_src);
+ xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
+ gw_dst, prev_gw_src);
+ links = e_route_as_to_as;
+ int pos = 0;
+ xbt_dynar_foreach(links, cpt, link) {
+ xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
+ &link);
+ pos++;
+ }
+ }
+
+ links = e_route->generic_route.link_list;
+ xbt_dynar_foreach(links, cpt, link) {
+ xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
+ }
+ first = 0;
+
+ } while (pred != *src_id);
+ xbt_assert4(pred != -1, "no route from host %d to %d (\"%s\" to \"%s\")",
+ *src_id, *dst_id, src, dst);
+
+ if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
+ new_e_route->src_gateway = xbt_strdup(gw_src);
+ new_e_route->dst_gateway = xbt_strdup(first_gw);
+ }
+
+ return new_e_route;
+}
+
+static void floyd_finalize(routing_component_t rc)
+{
+ routing_component_floyd_t routing = (routing_component_floyd_t) rc;
+ int i, j;
+ size_t table_size;
+ if (routing) {
+ table_size = xbt_dict_length(routing->generic_routing.to_index);
+ /* Delete link_table */
+ for (i = 0; i < table_size; i++)
+ for (j = 0; j < table_size; j++)
+ generic_free_extended_route(TO_FLOYD_LINK(i, j));
+ xbt_free(routing->link_table);
+ /* Delete bypass dict */
+ xbt_dict_free(&routing->generic_routing.bypassRoutes);
+ /* Delete index dict */
+ xbt_dict_free(&(routing->generic_routing.to_index));
+ /* Delete dictionary index dict, predecessor and links table */
+ xbt_free(routing->predecessor_table);
+ /* Delete structure */
+ xbt_free(rc);
+ }
+}
+
+static void *model_floyd_create(void)
+{
+ routing_component_floyd_t new_component =
+ xbt_new0(s_routing_component_floyd_t, 1);
+ new_component->generic_routing.set_processing_unit =
+ generic_set_processing_unit;
+ new_component->generic_routing.set_autonomous_system =
+ generic_set_autonomous_system;
+ new_component->generic_routing.set_route = model_floyd_set_route;
+ new_component->generic_routing.set_ASroute = model_floyd_set_route;
+ new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
+ new_component->generic_routing.get_route = floyd_get_route;
+ new_component->generic_routing.get_onelink_routes =
+ floyd_get_onelink_routes;
+ new_component->generic_routing.get_bypass_route =
+ generic_get_bypassroute;
+ new_component->generic_routing.finalize = floyd_finalize;
+ new_component->generic_routing.to_index = xbt_dict_new();
+ new_component->generic_routing.bypassRoutes = xbt_dict_new();
+ return new_component;
+}
+
+static void model_floyd_load(void)
+{
+ /* use "surfxml_add_callback" to add a parse function call */
+}
+
+static void model_floyd_unload(void)
+{
+ /* use "surfxml_del_callback" to remove a parse function call */
+}
+
+static void model_floyd_end(void)
+{
+
+ routing_component_floyd_t routing =
+ ((routing_component_floyd_t) current_routing);
+
+ unsigned int i, j, a, b, c;
+
+ /* set the size of table routing */
+ size_t table_size = xbt_dict_length(routing->generic_routing.to_index);
+
+ if(!routing->link_table)
+ {
+ /* Create Cost, Predecessor and Link tables */
+ routing->cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */
+ routing->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */
+ routing->link_table = xbt_new0(route_extended_t, table_size * table_size); /* actual link between src and dst */
+
+ /* Initialize costs and predecessors */
+ for (i = 0; i < table_size; i++)
+ for (j = 0; j < table_size; j++) {
+ TO_FLOYD_COST(i, j) = DBL_MAX;
+ TO_FLOYD_PRED(i, j) = -1;
+ TO_FLOYD_LINK(i, j) = NULL; /* fixed, missing in the previous version */
+ }
+ }
+
+ /* Add the loopback if needed */
+ if (current_routing->hierarchy == SURF_ROUTING_BASE) {
+ for (i = 0; i < table_size; i++) {
+ route_extended_t e_route = TO_FLOYD_LINK(i, i);
+ if (!e_route) {
+ e_route = xbt_new0(s_route_extended_t, 1);
+ e_route->src_gateway = NULL;
+ e_route->dst_gateway = NULL;
+ e_route->generic_route.link_list =
+ xbt_dynar_new(global_routing->size_of_link, NULL);
+ xbt_dynar_push(e_route->generic_route.link_list,
+ &global_routing->loopback);
+ TO_FLOYD_LINK(i, i) = e_route;
+ TO_FLOYD_PRED(i, i) = i;
+ TO_FLOYD_COST(i, i) = 1;
+ }
+ }
+ }
+ /* Calculate path costs */
+ for (c = 0; c < table_size; c++) {
+ for (a = 0; a < table_size; a++) {
+ for (b = 0; b < table_size; b++) {
+ if (TO_FLOYD_COST(a, c) < DBL_MAX && TO_FLOYD_COST(c, b) < DBL_MAX) {
+ if (TO_FLOYD_COST(a, b) == DBL_MAX ||
+ (TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b) <
+ TO_FLOYD_COST(a, b))) {
+ TO_FLOYD_COST(a, b) =
+ TO_FLOYD_COST(a, c) + TO_FLOYD_COST(c, b);
+ TO_FLOYD_PRED(a, b) = TO_FLOYD_PRED(c, b);
+ }
+ }
+ }
+ }
+ }
+}
+
+static void model_floyd_set_route(routing_component_t rc, const char *src,
+ const char *dst, name_route_extended_t route)
+{
+ routing_component_floyd_t routing = (routing_component_floyd_t) rc;
+
+ /* set the size of table routing */
+ size_t table_size = xbt_dict_length(rc->to_index);
+ int *src_id, *dst_id;
+ int i,j;
+
+ src_id = xbt_dict_get_or_null(rc->to_index, src);
+ dst_id = xbt_dict_get_or_null(rc->to_index, dst);
+
+ if(!routing->link_table)
+ {
+ /* Create Cost, Predecessor and Link tables */
+ routing->cost_table = xbt_new0(double, table_size * table_size); /* link cost from host to host */
+ routing->predecessor_table = xbt_new0(int, table_size * table_size); /* predecessor host numbers */
+ routing->link_table = xbt_new0(route_extended_t, table_size * table_size); /* actual link between src and dst */
+
+ /* Initialize costs and predecessors */
+ for (i = 0; i < table_size; i++)
+ for (j = 0; j < table_size; j++) {
+ TO_FLOYD_COST(i, j) = DBL_MAX;
+ TO_FLOYD_PRED(i, j) = -1;
+ TO_FLOYD_LINK(i, j) = NULL; /* fixed, missing in the previous version */
+ }
+ }
+
+ if(TO_FLOYD_LINK(*src_id, *dst_id))
+ {
+ if(!route->dst_gateway && !route->src_gateway)
+ DEBUG2("See Route from \"%s\" to \"%s\"", src, dst);
+ else
+ DEBUG4("See ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
+ route->src_gateway, dst, route->dst_gateway);
+ char * link_name;
+ unsigned int cpt;
+ xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
+ xbt_dynar_foreach(route->generic_route.link_list,cpt,link_name)
+ {
+ void *link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
+ xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
+ xbt_dynar_push(link_route_to_test,&link);
+ }
+ xbt_assert2(!xbt_dynar_compare(
+ (void*)TO_FLOYD_LINK(*src_id, *dst_id)->generic_route.link_list,
+ (void*)link_route_to_test,
+ (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
+ "The route between \"%s\" and \"%s\" already exist", src,dst);
+ xbt_free(link_route_to_test);
+ }
+ else
+ {
+ if(!route->dst_gateway && !route->src_gateway)
+ DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
+ else
+ DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
+ route->src_gateway, dst, route->dst_gateway);
+
+ TO_FLOYD_LINK(*src_id, *dst_id) =
+ generic_new_extended_route(rc->hierarchy, route, 1);
+ TO_FLOYD_PRED(*src_id, *dst_id) = *src_id;
+ TO_FLOYD_COST(*src_id, *dst_id) =
+ ((TO_FLOYD_LINK(*src_id, *dst_id))->generic_route.link_list)->used; /* count of links, old model assume 1 */
+ }
+
+ if( A_surfxml_route_symetrical == A_surfxml_route_symetrical_YES
+ || A_surfxml_ASroute_symetrical == A_surfxml_ASroute_symetrical_YES )
+ {
+ if(TO_FLOYD_LINK(*dst_id, *src_id))
+ {
+ if(!route->dst_gateway && !route->src_gateway)
+ DEBUG2("See Route from \"%s\" to \"%s\"", dst, src);
+ else
+ DEBUG4("See ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
+ route->src_gateway, src, route->dst_gateway);
+ char * link_name;
+ unsigned int i;
+ xbt_dynar_t link_route_to_test = xbt_dynar_new(global_routing->size_of_link, NULL);
+ for(i=xbt_dynar_length(route->generic_route.link_list) ;i>0 ;i--)
+ {
+ link_name = xbt_dynar_get_as(route->generic_route.link_list,i-1,void *);
+ void *link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
+ xbt_assert1(link,"Link : '%s' doesn't exists.",link_name);
+ xbt_dynar_push(link_route_to_test,&link);
+ }
+ xbt_assert2(!xbt_dynar_compare(
+ (void*)TO_FLOYD_LINK(*dst_id, *src_id)->generic_route.link_list,
+ (void*)link_route_to_test,
+ (int_f_cpvoid_cpvoid_t) surf_pointer_resource_cmp),
+ "The route between \"%s\" and \"%s\" already exist", src,dst);
+ xbt_free(link_route_to_test);
+ }
+ else
+ {
+ if(route->dst_gateway && route->src_gateway)
+ {
+ char * gw_src = bprintf("%s",route->src_gateway);
+ char * gw_dst = bprintf("%s",route->dst_gateway);
+ route->src_gateway = bprintf("%s",gw_dst);
+ route->dst_gateway = bprintf("%s",gw_src);
+ }
+
+ if(!route->dst_gateway && !route->src_gateway)
+ DEBUG2("Load Route from \"%s\" to \"%s\"", dst, src);
+ else
+ DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", dst,
+ route->src_gateway, src, route->dst_gateway);
+
+ TO_FLOYD_LINK(*dst_id, *src_id) =
+ generic_new_extended_route(rc->hierarchy, route, 0);
+ TO_FLOYD_PRED(*dst_id, *src_id) = *dst_id;
+ TO_FLOYD_COST(*dst_id, *src_id) =
+ ((TO_FLOYD_LINK(*dst_id, *src_id))->generic_route.link_list)->used; /* count of links, old model assume 1 */
+ }
+ }
+}
+
+/* ************************************************************************** */
+/* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
+
+typedef struct {
+ s_routing_component_t generic_routing;
+ xbt_graph_t route_graph; /* xbt_graph */
+ xbt_dict_t graph_node_map; /* map */
+ xbt_dict_t route_cache; /* use in cache mode */
+ int cached;
+} s_routing_component_dijkstra_t, *routing_component_dijkstra_t;
+
+
+typedef struct graph_node_data {
+ int id;
+ int graph_id; /* used for caching internal graph id's */
+} s_graph_node_data_t, *graph_node_data_t;
+
+typedef struct graph_node_map_element {
+ xbt_node_t node;
+} s_graph_node_map_element_t, *graph_node_map_element_t;
+
+typedef struct route_cache_element {
+ int *pred_arr;
+ int size;
+} s_route_cache_element_t, *route_cache_element_t;
+
+/* Free functions */
+
+static void route_cache_elem_free(void *e)
+{
+ route_cache_element_t elm = (route_cache_element_t) e;
+ if (elm) {
+ xbt_free(elm->pred_arr);
+ xbt_free(elm);
+ }
+}
+
+static void graph_node_map_elem_free(void *e)
+{
+ graph_node_map_element_t elm = (graph_node_map_element_t) e;
+ if (elm) {
+ xbt_free(elm);
+ }
+}
+
+static void graph_edge_data_free(void *e)
+{
+ route_extended_t e_route = (route_extended_t) e;
+ if (e_route) {
+ xbt_dynar_free(&(e_route->generic_route.link_list));
+ if (e_route->src_gateway)
+ xbt_free(e_route->src_gateway);
+ if (e_route->dst_gateway)
+ xbt_free(e_route->dst_gateway);
+ xbt_free(e_route);
+ }
+}
+
+/* Utility functions */
+
+static xbt_node_t route_graph_new_node(routing_component_dijkstra_t rc,
+ int id, int graph_id)
+{
+ routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
xbt_node_t node = NULL;
- unsigned int cursor2;
- xbt_dynar_t nodes = NULL;
- /* Create the topology graph */
- routing->route_graph = xbt_graph_new_graph(1, NULL);
- routing->graph_node_map = xbt_dict_new();
- routing->last_route = xbt_dynar_new(routing->size_of_link, NULL);
- if(routing->cached)
- routing->route_cache = xbt_dict_new();
+ graph_node_data_t data = NULL;
+ graph_node_map_element_t elm = NULL;
+
+ data = xbt_new0(struct graph_node_data, 1);
+ data->id = id;
+ data->graph_id = graph_id;
+ node = xbt_graph_new_node(routing->route_graph, data);
+
+ elm = xbt_new0(struct graph_node_map_element, 1);
+ elm->node = node;
+ xbt_dict_set_ext(routing->graph_node_map, (char *) (&id), sizeof(int),
+ (xbt_set_elm_t) elm, &graph_node_map_elem_free);
+
+ return node;
+}
+static graph_node_map_element_t
+graph_node_map_search(routing_component_dijkstra_t rc, int id)
+{
+ routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
+ graph_node_map_element_t elm = (graph_node_map_element_t)
+ xbt_dict_get_or_null_ext(routing->graph_node_map,
+ (char *) (&id),
+ sizeof(int));
+ return elm;
+}
- /* Put the routes in position */
- xbt_dict_foreach(route_table, cursor, key, data) {
- nb_link = 0;
- links = (xbt_dynar_t) data;
- keys = xbt_str_split_str(key, sep);
+/* Parsing */
- src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 16);
- dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 16);
- xbt_dynar_free(&keys);
+static void route_new_dijkstra(routing_component_dijkstra_t rc, int src_id,
+ int dst_id, route_extended_t e_route)
+{
+ routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
- DEBUG4("Handle %d %d (from %d hosts): %ld links",
- src_id,dst_id,routing->generic_routing.host_count,xbt_dynar_length(links));
+ xbt_node_t src = NULL;
+ xbt_node_t dst = NULL;
+ graph_node_map_element_t src_elm = (graph_node_map_element_t)
+ xbt_dict_get_or_null_ext(routing->graph_node_map,
+ (char *) (&src_id),
+ sizeof(int));
+ graph_node_map_element_t dst_elm = (graph_node_map_element_t)
+ xbt_dict_get_or_null_ext(routing->graph_node_map,
+ (char *) (&dst_id),
+ sizeof(int));
+
+ if (src_elm)
+ src = src_elm->node;
- xbt_assert3(xbt_dynar_length(links) == 1, "%ld links in route between host %d and %d, should be 1", xbt_dynar_length(links), src_id, dst_id);
+ if (dst_elm)
+ dst = dst_elm->node;
- link_name = xbt_dynar_getfirst_as(links, char*);
- link = xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
- if (link)
- route_new_dijkstra(src_id,dst_id,link);
- else
- THROW1(mismatch_error,0,"Link %s not found", link_name);
-
+ /* add nodes if they don't exist in the graph */
+ if (src_id == dst_id && src == NULL && dst == NULL) {
+ src = route_graph_new_node(rc, src_id, -1);
+ dst = src;
+ } else {
+ if (src == NULL) {
+ src = route_graph_new_node(rc, src_id, -1);
+ }
+ if (dst == NULL) {
+ dst = route_graph_new_node(rc, dst_id, -1);
+ }
}
- /* Add the loopback if needed */
- add_loopback_dijkstra();
+ /* add link as edge to graph */
+ xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
+}
- /* initialize graph indexes in nodes after graph has been built */
- nodes = xbt_graph_get_nodes(routing->route_graph);
+static void add_loopback_dijkstra(routing_component_dijkstra_t rc)
+{
+ routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
+ xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
+
+ xbt_node_t node = NULL;
+ unsigned int cursor2;
xbt_dynar_foreach(nodes, cursor2, node) {
- graph_node_data_t data = xbt_graph_node_get_data(node);
- data->graph_id = cursor2;
- }
+ xbt_dynar_t out_edges = xbt_graph_node_get_outedges(node);
+ xbt_edge_t edge = NULL;
+ unsigned int cursor;
+
+ int found = 0;
+ xbt_dynar_foreach(out_edges, cursor, edge) {
+ xbt_node_t other_node = xbt_graph_edge_get_target(edge);
+ if (other_node == node) {
+ found = 1;
+ break;
+ }
+ }
+ if (!found) {
+ route_extended_t e_route = xbt_new0(s_route_extended_t, 1);
+ e_route->src_gateway = NULL;
+ e_route->dst_gateway = NULL;
+ e_route->generic_route.link_list =
+ xbt_dynar_new(global_routing->size_of_link, NULL);
+ xbt_dynar_push(e_route->generic_route.link_list,
+ &global_routing->loopback);
+ xbt_graph_new_edge(routing->route_graph, node, node, e_route);
+ }
+ }
}
-/*
- * Business methods
- */
-static xbt_dynar_t routing_dijkstra_get_route(int src_id,int dst_id) {
+/* Business methods */
+static xbt_dynar_t dijkstra_get_onelink_routes(routing_component_t rc)
+{
+ xbt_die("\"dijkstra_get_onelink_routes\" function not implemented yet");
+}
- routing_dijkstra_t routing = (routing_dijkstra_t) used_routing;
- int * pred_arr = NULL;
+static route_extended_t dijkstra_get_route(routing_component_t rc,
+ const char *src,
+ const char *dst)
+{
+ xbt_assert1(rc && src
+ && dst,
+ "Invalid params for \"get_route\" function at AS \"%s\"",
+ rc->name);
+
+ /* set utils vars */
+ routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
+
+ generic_src_dst_check(rc, src, dst);
+ int *src_id = xbt_dict_get_or_null(routing->generic_routing.to_index, src);
+ int *dst_id = xbt_dict_get_or_null(routing->generic_routing.to_index, dst);
+ xbt_assert2(src_id
+ && dst_id,
+ "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
+ src, dst);
+
+ /* create a result route */
+ route_extended_t new_e_route = xbt_new0(s_route_extended_t, 1);
+ new_e_route->generic_route.link_list =
+ xbt_dynar_new(global_routing->size_of_link, NULL);
+ new_e_route->src_gateway = NULL;
+ new_e_route->dst_gateway = NULL;
+
+ int *pred_arr = NULL;
int src_node_id = 0;
int dst_node_id = 0;
- int * nodeid = NULL;
+ int *nodeid = NULL;
int v;
+ route_extended_t e_route;
int size = 0;
- void * link = NULL;
+ unsigned int cpt;
+ void *link;
+ xbt_dynar_t links = NULL;
route_cache_element_t elm = NULL;
xbt_dynar_t nodes = xbt_graph_get_nodes(routing->route_graph);
- /*Use the graph_node id mapping set to quickly find the nodes */
- graph_node_map_element_t src_elm = graph_node_map_search(src_id);
- graph_node_map_element_t dst_elm = graph_node_map_search(dst_id);
- xbt_assert2(src_elm != NULL && dst_elm != NULL, "src %d or dst %d does not exist", src_id, dst_id);
- src_node_id = ((graph_node_data_t)xbt_graph_node_get_data(src_elm->node))->graph_id;
- dst_node_id = ((graph_node_data_t)xbt_graph_node_get_data(dst_elm->node))->graph_id;
+ /* Use the graph_node id mapping set to quickly find the nodes */
+ graph_node_map_element_t src_elm =
+ graph_node_map_search(routing, *src_id);
+ graph_node_map_element_t dst_elm =
+ graph_node_map_search(routing, *dst_id);
+ xbt_assert2(src_elm != NULL
+ && dst_elm != NULL, "src %d or dst %d does not exist",
+ *src_id, *dst_id);
+ src_node_id = ((graph_node_data_t)
+ xbt_graph_node_get_data(src_elm->node))->graph_id;
+ dst_node_id = ((graph_node_data_t)
+ xbt_graph_node_get_data(dst_elm->node))->graph_id;
+
+ /* if the src and dst are the same *//* fixed, missing in the previous version */
+ if (src_node_id == dst_node_id) {
+
+ xbt_node_t node_s_v = xbt_dynar_get_as(nodes, src_node_id, xbt_node_t);
+ xbt_node_t node_e_v = xbt_dynar_get_as(nodes, dst_node_id, xbt_node_t);
+ xbt_edge_t edge =
+ xbt_graph_get_edge(routing->route_graph, node_s_v, node_e_v);
+
+ xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
+ *dst_id);
+
+ e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
+
+ links = e_route->generic_route.link_list;
+ xbt_dynar_foreach(links, cpt, link) {
+ xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
+ }
+
+ return new_e_route;
+ }
- if(routing->cached) {
+ if (routing->cached) {
/*check if there is a cached predecessor list avail */
- elm = (route_cache_element_t)xbt_dict_get_or_null_ext(routing->route_cache, (char*)(&src_id), sizeof(int));
+ elm = (route_cache_element_t)
+ xbt_dict_get_or_null_ext(routing->route_cache, (char *) (&src_id),
+ sizeof(int));
}
- if(elm) { //cached mode and cache hit
+ if (elm) { /* cached mode and cache hit */
pred_arr = elm->pred_arr;
- } else { //not cached mode or cache miss
- double * cost_arr = NULL;
+ } else { /* not cached mode or cache miss */
+ double *cost_arr = NULL;
xbt_heap_t pqueue = NULL;
int i = 0;
int nr_nodes = xbt_dynar_length(nodes);
- cost_arr = xbt_new0(double, nr_nodes); //link cost from src to other hosts
- pred_arr = xbt_new0(int, nr_nodes); //predecessors in path from src
- pqueue = xbt_heap_new(nr_nodes, free);
+ cost_arr = xbt_new0(double, nr_nodes); /* link cost from src to other hosts */
+ pred_arr = xbt_new0(int, nr_nodes); /* predecessors in path from src */
+ pqueue = xbt_heap_new(nr_nodes, xbt_free);
- //initialize
+ /* initialize */
cost_arr[src_node_id] = 0.0;
- for(i = 0; i < nr_nodes; i++) {
- if(i != src_node_id) {
+ for (i = 0; i < nr_nodes; i++) {
+ if (i != src_node_id) {
cost_arr[i] = DBL_MAX;
}
pred_arr[i] = 0;
- //initialize priority queue
+ /* initialize priority queue */
nodeid = xbt_new0(int, 1);
*nodeid = i;
xbt_heap_push(pqueue, nodeid, cost_arr[i]);
}
- // apply dijkstra using the indexes from the graph's node array
- while(xbt_heap_size(pqueue) > 0) {
- int * v_id = xbt_heap_pop(pqueue);
+ /* apply dijkstra using the indexes from the graph's node array */
+ while (xbt_heap_size(pqueue) > 0) {
+ int *v_id = xbt_heap_pop(pqueue);
xbt_node_t v_node = xbt_dynar_get_as(nodes, *v_id, xbt_node_t);
- xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
+ xbt_dynar_t out_edges = xbt_graph_node_get_outedges(v_node);
xbt_edge_t edge = NULL;
unsigned int cursor;
xbt_node_t u_node = xbt_graph_edge_get_target(edge);
graph_node_data_t data = xbt_graph_node_get_data(u_node);
int u_id = data->graph_id;
- int cost_v_u = 1; //fixed link cost for now
+ route_extended_t tmp_e_route =
+ (route_extended_t) xbt_graph_edge_get_data(edge);
+ int cost_v_u = (tmp_e_route->generic_route.link_list)->used; /* count of links, old model assume 1 */
- if(cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
+ if (cost_v_u + cost_arr[*v_id] < cost_arr[u_id]) {
pred_arr[u_id] = *v_id;
cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
nodeid = xbt_new0(int, 1);
}
}
- //free item popped from pqueue
- free(v_id);
+ /* free item popped from pqueue */
+ xbt_free(v_id);
}
- free(cost_arr);
+ xbt_free(cost_arr);
xbt_heap_free(pqueue);
-
}
- //compose route path with links
- xbt_dynar_reset(routing->last_route);
+ /* compose route path with links */
+ char *gw_src = NULL, *gw_dst =
+ NULL, *prev_gw_src, *prev_gw_dst, *first_gw = NULL;
- for(v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
- xbt_node_t node_pred_v = xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
+ for (v = dst_node_id; v != src_node_id; v = pred_arr[v]) {
+ xbt_node_t node_pred_v =
+ xbt_dynar_get_as(nodes, pred_arr[v], xbt_node_t);
xbt_node_t node_v = xbt_dynar_get_as(nodes, v, xbt_node_t);
- xbt_edge_t edge = xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
-
- xbt_assert2(edge != NULL, "no route between host %d and %d", src_id, dst_id);
+ xbt_edge_t edge =
+ xbt_graph_get_edge(routing->route_graph, node_pred_v, node_v);
+
+ xbt_assert2(edge != NULL, "no route between host %d and %d", *src_id,
+ *dst_id);
+
+ prev_gw_src = gw_src;
+ prev_gw_dst = gw_dst;
+
+ e_route = (route_extended_t) xbt_graph_edge_get_data(edge);
+ gw_src = e_route->src_gateway;
+ gw_dst = e_route->dst_gateway;
+
+ if (v == dst_node_id)
+ first_gw = gw_dst;
+
+ if (rc->hierarchy == SURF_ROUTING_RECURSIVE && v != dst_node_id
+ && strcmp(gw_dst, prev_gw_src)) {
+ xbt_dynar_t e_route_as_to_as =
+ (*(global_routing->get_route)) (gw_dst, prev_gw_src);
+ xbt_assert2(e_route_as_to_as, "no route between \"%s\" and \"%s\"",
+ gw_dst, prev_gw_src);
+ links = e_route_as_to_as;
+ int pos = 0;
+ xbt_dynar_foreach(links, cpt, link) {
+ xbt_dynar_insert_at(new_e_route->generic_route.link_list, pos,
+ &link);
+ pos++;
+ }
+ }
- link = xbt_graph_edge_get_data(edge);
- xbt_dynar_unshift(routing->last_route, &link);
+ links = e_route->generic_route.link_list;
+ xbt_dynar_foreach(links, cpt, link) {
+ xbt_dynar_unshift(new_e_route->generic_route.link_list, &link);
+ }
size++;
}
+ if (rc->hierarchy == SURF_ROUTING_RECURSIVE) {
+ new_e_route->src_gateway = xbt_strdup(gw_src);
+ new_e_route->dst_gateway = xbt_strdup(first_gw);
+ }
- if(routing->cached && elm == NULL) {
- //add to predecessor list of the current src-host to cache
- elm = xbt_new0(struct route_cache_element, sizeof(struct route_cache_element));
+ if (routing->cached && elm == NULL) {
+ /* add to predecessor list of the current src-host to cache */
+ elm = xbt_new0(struct route_cache_element, 1);
elm->pred_arr = pred_arr;
elm->size = size;
- xbt_dict_set_ext(routing->route_cache, (char*)(&src_id), sizeof(int), (xbt_set_elm_t)elm, &route_cache_elem_free);
+ xbt_dict_set_ext(routing->route_cache, (char *) (&src_id), sizeof(int),
+ (xbt_set_elm_t) elm, &route_cache_elem_free);
}
- if(!routing->cached)
- free(pred_arr);
+ if (!routing->cached)
+ xbt_free(pred_arr);
- return routing->last_route;
+ return new_e_route;
}
-
-static void routing_dijkstra_finalize(void) {
- routing_dijkstra_t routing = (routing_dijkstra_t)used_routing;
+static void dijkstra_finalize(routing_component_t rc)
+{
+ routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
if (routing) {
- xbt_graph_free_graph(routing->route_graph, &free, NULL, &free);
+ xbt_graph_free_graph(routing->route_graph, &xbt_free,
+ &graph_edge_data_free, &xbt_free);
xbt_dict_free(&routing->graph_node_map);
- if(routing->cached)
+ if (routing->cached)
xbt_dict_free(&routing->route_cache);
- xbt_dynar_free(&routing->last_route);
- xbt_dict_free(&used_routing->host_id);
- free(routing);
- routing=NULL;
+ /* Delete bypass dict */
+ xbt_dict_free(&routing->generic_routing.bypassRoutes);
+ /* Delete index dict */
+ xbt_dict_free(&(routing->generic_routing.to_index));
+ /* Delete structure */
+ xbt_free(routing);
}
}
-static xbt_dict_t routing_dijkstraboth_get_onelink_routes(void){
- xbt_assert0(0,"The get_onelink_routes feature is not supported in routing model dijkstraboth");
+/* Creation routing model functions */
+
+static void *model_dijkstra_both_create(int cached)
+{
+ routing_component_dijkstra_t new_component =
+ xbt_new0(s_routing_component_dijkstra_t, 1);
+ new_component->generic_routing.set_processing_unit =
+ generic_set_processing_unit;
+ new_component->generic_routing.set_autonomous_system =
+ generic_set_autonomous_system;
+ new_component->generic_routing.set_route = model_dijkstra_both_set_route;
+ new_component->generic_routing.set_ASroute = model_dijkstra_both_set_route; //TODO
+ new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
+ new_component->generic_routing.get_route = dijkstra_get_route;
+ new_component->generic_routing.get_onelink_routes =
+ dijkstra_get_onelink_routes;
+ new_component->generic_routing.get_bypass_route =
+ generic_get_bypassroute;
+ new_component->generic_routing.finalize = dijkstra_finalize;
+ new_component->cached = cached;
+ new_component->generic_routing.to_index = xbt_dict_new();
+ new_component->generic_routing.bypassRoutes = xbt_dict_new();
+ return new_component;
}
-static int routing_dijkstraboth_is_router(int id){
- xbt_assert0(0,"The get_is_router feature is not supported in routing model dijkstraboth");
+static void *model_dijkstra_create(void)
+{
+ return model_dijkstra_both_create(0);
}
-/*
- *
- */
-static void routing_model_dijkstraboth_create(size_t size_of_link,void *loopback, int cached) {
- /* initialize our structure */
- routing_dijkstra_t routing = xbt_new0(s_routing_dijkstra_t,1);
- routing->generic_routing.name = "Dijkstra";
- routing->generic_routing.host_count = 0;
- routing->generic_routing.get_route = routing_dijkstra_get_route;
- routing->generic_routing.get_onelink_routes = routing_dijkstraboth_get_onelink_routes;
- routing->generic_routing.is_router = routing_dijkstraboth_is_router;
- routing->generic_routing.finalize = routing_dijkstra_finalize;
- routing->size_of_link = size_of_link;
- routing->loopback = loopback;
- routing->cached = cached;
-
- /* Set it in position */
- used_routing = (routing_t) routing;
-
- /* Setup the parsing callbacks we need */
- routing->generic_routing.host_id = xbt_dict_new();
- surfxml_add_callback(STag_surfxml_host_cb_list, &routing_full_parse_Shost);
- surfxml_add_callback(ETag_surfxml_platform_cb_list, &routing_dijkstra_parse_end);
- surfxml_add_callback(STag_surfxml_route_cb_list,
- &routing_full_parse_Sroute_set_endpoints);
- surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_full_parse_Eroute);
- surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_shortest_path_parse_Scluster);
+static void *model_dijkstracache_create(void)
+{
+ return model_dijkstra_both_create(1);
}
-static void routing_model_dijkstra_create(size_t size_of_link,void *loopback) {
- routing_model_dijkstraboth_create(size_of_link, loopback, 0);
+static void model_dijkstra_both_load(void)
+{
+ /* use "surfxml_add_callback" to add a parse function call */
+}
+
+static void model_dijkstra_both_unload(void)
+{
+ /* use "surfxml_del_callback" to remove a parse function call */
}
-static void routing_model_dijkstracache_create(size_t size_of_link,void *loopback) {
- routing_model_dijkstraboth_create(size_of_link, loopback, 1);
+static void model_dijkstra_both_end(void)
+{
+ routing_component_dijkstra_t routing =
+ (routing_component_dijkstra_t) current_routing;
+
+ xbt_node_t node = NULL;
+ unsigned int cursor2;
+ xbt_dynar_t nodes = NULL;
+
+ /* Create the topology graph */
+ routing->route_graph = xbt_graph_new_graph(1, NULL);
+ routing->graph_node_map = xbt_dict_new();
+
+ if (routing->cached && !routing->route_cache)
+ routing->route_cache = xbt_dict_new();
+
+ /* Add the loopback if needed */
+ if (current_routing->hierarchy == SURF_ROUTING_BASE)
+ add_loopback_dijkstra(routing);
+
+ /* initialize graph indexes in nodes after graph has been built */
+ nodes = xbt_graph_get_nodes(routing->route_graph);
+
+ xbt_dynar_foreach(nodes, cursor2, node) {
+ graph_node_data_t data = xbt_graph_node_get_data(node);
+ data->graph_id = cursor2;
+ }
+
+}
+static void model_dijkstra_both_set_route (routing_component_t rc, const char *src,
+ const char *dst, name_route_extended_t route)
+{
+ routing_component_dijkstra_t routing = (routing_component_dijkstra_t) rc;
+ int *src_id, *dst_id;
+ src_id = xbt_dict_get_or_null(rc->to_index, src);
+ dst_id = xbt_dict_get_or_null(rc->to_index, dst);
+
+ if (routing->cached && !routing->route_cache)
+ routing->route_cache = xbt_dict_new();
+
+ if( A_surfxml_route_symetrical == A_surfxml_route_symetrical_YES
+ || A_surfxml_ASroute_symetrical == A_surfxml_ASroute_symetrical_YES )
+ xbt_die("Route symmetrical not supported on model dijkstra");
+
+ if(!route->dst_gateway && !route->src_gateway)
+ DEBUG2("Load Route from \"%s\" to \"%s\"", src, dst);
+ else
+ DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"", src,
+ route->src_gateway, dst, route->dst_gateway);
+
+ route_extended_t e_route =
+ generic_new_extended_route(current_routing->hierarchy, route, 1);
+ route_new_dijkstra(routing, *src_id, *dst_id, e_route);
}
+#ifdef HAVE_PCRE_LIB
/* ************************************************** */
-/* ********** NO ROUTING **************************** */
+/* ************** RULE-BASED ROUTING **************** */
+/* Routing model structure */
+
+typedef struct {
+ s_routing_component_t generic_routing;
+ xbt_dict_t dict_processing_units;
+ xbt_dict_t dict_autonomous_systems;
+ xbt_dynar_t list_route;
+ xbt_dynar_t list_ASroute;
+} s_routing_component_rulebased_t, *routing_component_rulebased_t;
+
+typedef struct s_rule_route s_rule_route_t, *rule_route_t;
+typedef struct s_rule_route_extended s_rule_route_extended_t,
+ *rule_route_extended_t;
+
+struct s_rule_route {
+ xbt_dynar_t re_str_link; // dynar of char*
+ pcre *re_src;
+ pcre *re_dst;
+};
+
+struct s_rule_route_extended {
+ s_rule_route_t generic_rule_route;
+ char *re_src_gateway;
+ char *re_dst_gateway;
+};
+
+static void rule_route_free(void *e)
+{
+ rule_route_t *elem = (rule_route_t *) (e);
+ if (*elem) {
+ xbt_dynar_free(&(*elem)->re_str_link);
+ pcre_free((*elem)->re_src);
+ pcre_free((*elem)->re_dst);
+ xbt_free((*elem));
+ }
+ (*elem) = NULL;
+}
-static void routing_none_finalize(void) {
- if (used_routing) {
- xbt_dict_free(&used_routing->host_id);
- free(used_routing);
- used_routing=NULL;
+static void rule_route_extended_free(void *e)
+{
+ rule_route_extended_t *elem = (rule_route_extended_t *) e;
+ if (*elem) {
+ xbt_dynar_free(&(*elem)->generic_rule_route.re_str_link);
+ pcre_free((*elem)->generic_rule_route.re_src);
+ pcre_free((*elem)->generic_rule_route.re_dst);
+ xbt_free((*elem)->re_src_gateway);
+ xbt_free((*elem)->re_dst_gateway);
+ xbt_free((*elem));
}
}
-static void routing_model_none_create(size_t size_of_link,void *loopback) {
- routing_t routing = xbt_new0(s_routing_t,1);
- routing->name = "none";
- routing->host_count = 0;
- routing->host_id = xbt_dict_new();
- routing->get_onelink_routes = NULL;
- routing->is_router = NULL;
- routing->get_route = NULL;
+/* Parse routing model functions */
- routing->finalize = routing_none_finalize;
+static void model_rulebased_set_processing_unit(routing_component_t rc,
+ const char *name)
+{
+ routing_component_rulebased_t routing =
+ (routing_component_rulebased_t) rc;
+ xbt_dict_set(routing->dict_processing_units, name, (void *) (-1), NULL);
+}
- /* Set it in position */
- used_routing = (routing_t) routing;
+static void model_rulebased_set_autonomous_system(routing_component_t rc,
+ const char *name)
+{
+ routing_component_rulebased_t routing =
+ (routing_component_rulebased_t) rc;
+ xbt_dict_set(routing->dict_autonomous_systems, name, (void *) (-1),
+ NULL);
}
-/*****************************************************************/
-/******************* BYBASS THE PARSER ***************************/
+static void model_rulebased_set_route(routing_component_t rc,
+ const char *src, const char *dst,
+ name_route_extended_t route)
+{
+ routing_component_rulebased_t routing =
+ (routing_component_rulebased_t) rc;
+ rule_route_t ruleroute = xbt_new0(s_rule_route_t, 1);
+ const char *error;
+ int erroffset;
+ ruleroute->re_src = pcre_compile(src, 0, &error, &erroffset, NULL);
+ xbt_assert3(ruleroute->re_src,
+ "PCRE compilation failed at offset %d (\"%s\"): %s\n",
+ erroffset, src, error);
+ ruleroute->re_dst = pcre_compile(dst, 0, &error, &erroffset, NULL);
+ xbt_assert3(ruleroute->re_src,
+ "PCRE compilation failed at offset %d (\"%s\"): %s\n",
+ erroffset, dst, error);
+ ruleroute->re_str_link = route->generic_route.link_list;
+ xbt_dynar_push(routing->list_route, &ruleroute);
+ xbt_free(route);
+}
-/*
- * FIXME : better to add to the routing model instead !!
- *
- */
-void routing_add_route(char *source_id,char *destination_id,xbt_dynar_t links_id,int action)
-{
- char * link_id;
- char * name;
- unsigned int i;
- src_id = *(int*)xbt_dict_get(used_routing->host_id,source_id);
- dst_id = *(int*)xbt_dict_get(used_routing->host_id,destination_id);
- DEBUG4("Route %s %d -> %s %d",source_id,src_id,destination_id,dst_id);
- //set Links
- xbt_dynar_foreach(links_id,i,link_id)
- {
- surf_add_route_element(link_id);
- }
- route_action = action;
- if (src_id != -1 && dst_id != -1) {
- name = bprintf("%x#%x", src_id, dst_id);
- manage_route(route_table, name, route_action, 0);
- free(name);
- }
+static void model_rulebased_set_ASroute(routing_component_t rc,
+ const char *src, const char *dst,
+ name_route_extended_t route)
+{
+ routing_component_rulebased_t routing =
+ (routing_component_rulebased_t) rc;
+ rule_route_extended_t ruleroute_e = xbt_new0(s_rule_route_extended_t, 1);
+ const char *error;
+ int erroffset;
+ ruleroute_e->generic_rule_route.re_src =
+ pcre_compile(src, 0, &error, &erroffset, NULL);
+ xbt_assert3(ruleroute_e->generic_rule_route.re_src,
+ "PCRE compilation failed at offset %d (\"%s\"): %s\n",
+ erroffset, src, error);
+ ruleroute_e->generic_rule_route.re_dst =
+ pcre_compile(dst, 0, &error, &erroffset, NULL);
+ xbt_assert3(ruleroute_e->generic_rule_route.re_src,
+ "PCRE compilation failed at offset %d (\"%s\"): %s\n",
+ erroffset, dst, error);
+ ruleroute_e->generic_rule_route.re_str_link =
+ route->generic_route.link_list;
+ ruleroute_e->re_src_gateway = route->src_gateway;
+ ruleroute_e->re_dst_gateway = route->dst_gateway;
+ xbt_dynar_push(routing->list_ASroute, &ruleroute_e);
+ xbt_free(route->src_gateway);
+ xbt_free(route->dst_gateway);
+ xbt_free(route);
+}
+static void model_rulebased_set_bypassroute(routing_component_t rc,
+ const char *src,
+ const char *dst,
+ route_extended_t e_route)
+{
+ xbt_die("bypass routing not supported for Route-Based model");
}
-void routing_add_host(char* host_id)
+#define BUFFER_SIZE 4096 /* result buffer size */
+#define OVECCOUNT 30 /* should be a multiple of 3 */
+
+static char *remplace(char *value, const char **src_list, int src_size,
+ const char **dst_list, int dst_size)
{
- int *val = xbt_malloc(sizeof(int));
- DEBUG2("Seen host %s (#%d)",host_id,used_routing->host_count);
- *val = used_routing->host_count++;
- xbt_dict_set(used_routing->host_id,host_id,val,xbt_free);
- #ifdef HAVE_TRACING
- TRACE_surf_host_define_id (host_id, *val);
- #endif
+
+ char result_result[BUFFER_SIZE];
+ int i_result_buffer;
+ int value_length = (int) strlen(value);
+ int number = 0;
+
+ int i = 0;
+ i_result_buffer = 0;
+ do {
+ if (value[i] == '$') {
+ i++; // skip $
+
+ // find the number
+ int number_length = 0;
+ while ('0' <= value[i + number_length]
+ && value[i + number_length] <= '9') {
+ number_length++;
+ }
+ xbt_assert2(number_length != 0,
+ "bad string parameter, no number indication, at offset: %d (\"%s\")",
+ i, value);
+
+ // solve number
+ number = atoi(value + i);
+ i = i + number_length;
+ xbt_assert2(i + 2 < value_length,
+ "bad string parameter, too few chars, at offset: %d (\"%s\")",
+ i, value);
+
+ // solve the indication
+ const char **param_list;
+ int param_size;
+ if (value[i] == 's' && value[i + 1] == 'r' && value[i + 2] == 'c') {
+ param_list = src_list;
+ param_size = src_size;
+ } else if (value[i] == 'd' && value[i + 1] == 's'
+ && value[i + 2] == 't') {
+ param_list = dst_list;
+ param_size = dst_size;
+ } else {
+ xbt_assert2(0,
+ "bad string parameter, support only \"src\" and \"dst\", at offset: %d (\"%s\")",
+ i, value);
+ }
+ i = i + 3;
+
+ xbt_assert4(param_size >= number,
+ "bad string parameter, not enough length param_size, at offset: %d (\"%s\") %d %d",
+ i, value, param_size, number);
+
+ const char *param = param_list[number];
+ int size = strlen(param);
+ int cp;
+ for (cp = 0; cp < size; cp++) {
+ result_result[i_result_buffer] = param[cp];
+ i_result_buffer++;
+ if (i_result_buffer >= BUFFER_SIZE)
+ break;
+ }
+ } else {
+ result_result[i_result_buffer] = value[i];
+ i_result_buffer++;
+ i++; // next char
+ }
+
+ } while (i < value_length && i_result_buffer < BUFFER_SIZE);
+
+ xbt_assert2(i_result_buffer < BUFFER_SIZE,
+ "solving string \"%s\", small buffer size (%d)", value,
+ BUFFER_SIZE);
+ result_result[i_result_buffer] = 0;
+ return xbt_strdup(result_result);
}
-void routing_set_routes()
+static route_extended_t rulebased_get_route(routing_component_t rc,
+ const char *src,
+ const char *dst);
+static xbt_dynar_t rulebased_get_onelink_routes(routing_component_t rc)
+{
+ xbt_dynar_t ret = xbt_dynar_new (sizeof(onelink_t), xbt_free);
+ routing_component_rulebased_t routing = (routing_component_rulebased_t)rc;
+
+ xbt_dict_cursor_t c1 = NULL;
+ char *k1, *d1;
+
+ //find router
+ char *router = NULL;
+ xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
+ if (strstr (k1, "router")){
+ router = k1;
+ }
+ }
+ if (!router){
+ xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
+ }
+
+ xbt_dict_foreach(routing->dict_processing_units, c1, k1, d1) {
+ route_extended_t route = rulebased_get_route (rc, router, k1);
+
+ int number_of_links = xbt_dynar_length(route->generic_route.link_list);
+ if (number_of_links != 3) {
+ xbt_die ("rulebased_get_onelink_routes works only if the AS is a cluster, sorry.");
+ }
+
+ void *link_ptr;
+ xbt_dynar_get_cpy (route->generic_route.link_list, 2, &link_ptr);
+ onelink_t onelink = xbt_new0 (s_onelink_t, 1);
+ onelink->src = xbt_strdup (k1);
+ onelink->dst = xbt_strdup (router);
+ onelink->link_ptr = link_ptr;
+ xbt_dynar_push (ret, &onelink);
+ }
+ return ret;
+}
+
+/* Business methods */
+static route_extended_t rulebased_get_route(routing_component_t rc,
+ const char *src,
+ const char *dst)
+{
+ xbt_assert1(rc && src
+ && dst,
+ "Invalid params for \"get_route\" function at AS \"%s\"",
+ rc->name);
+
+ /* set utils vars */
+ routing_component_rulebased_t routing =
+ (routing_component_rulebased_t) rc;
+
+ int are_processing_units;
+ xbt_dynar_t rule_list;
+ if (xbt_dict_get_or_null(routing->dict_processing_units, src)
+ && xbt_dict_get_or_null(routing->dict_processing_units, dst)) {
+ are_processing_units = 1;
+ rule_list = routing->list_route;
+ } else if (xbt_dict_get_or_null(routing->dict_autonomous_systems, src)
+ && xbt_dict_get_or_null(routing->dict_autonomous_systems,
+ dst)) {
+ are_processing_units = 0;
+ rule_list = routing->list_ASroute;
+ } else
+ xbt_assert2(NULL,
+ "Ask for route \"from\"(%s) or \"to\"(%s) no found in the local table",
+ src, dst);
+
+ int rc_src = -1;
+ int rc_dst = -1;
+ int src_length = (int) strlen(src);
+ int dst_length = (int) strlen(dst);
+
+ xbt_dynar_t links_list =
+ xbt_dynar_new(global_routing->size_of_link, NULL);
+
+ rule_route_t ruleroute;
+ unsigned int cpt;
+ int ovector_src[OVECCOUNT];
+ int ovector_dst[OVECCOUNT];
+ const char **list_src = NULL;
+ const char **list_dst = NULL;
+ xbt_dynar_foreach(rule_list, cpt, ruleroute) {
+ rc_src =
+ pcre_exec(ruleroute->re_src, NULL, src, src_length, 0, 0,
+ ovector_src, OVECCOUNT);
+ if (rc_src >= 0) {
+ rc_dst =
+ pcre_exec(ruleroute->re_dst, NULL, dst, dst_length, 0, 0,
+ ovector_dst, OVECCOUNT);
+ if (rc_dst >= 0) {
+ xbt_assert1(!pcre_get_substring_list
+ (src, ovector_src, rc_src, &list_src),
+ "error solving substring list for src \"%s\"", src);
+ xbt_assert1(!pcre_get_substring_list
+ (dst, ovector_dst, rc_dst, &list_dst),
+ "error solving substring list for src \"%s\"", dst);
+ char *link_name;
+ xbt_dynar_foreach(ruleroute->re_str_link, cpt, link_name) {
+ char *new_link_name =
+ remplace(link_name, list_src, rc_src, list_dst, rc_dst);
+ void *link =
+ xbt_dict_get_or_null(surf_network_model->resource_set,
+ new_link_name);
+ if (link)
+ xbt_dynar_push(links_list, &link);
+ else
+ THROW1(mismatch_error, 0, "Link %s not found", new_link_name);
+ xbt_free(new_link_name);
+ }
+ }
+ }
+ if (rc_src >= 0 && rc_dst >= 0)
+ break;
+ }
+
+ route_extended_t new_e_route = NULL;
+ if (rc_src >= 0 && rc_dst >= 0) {
+ new_e_route = xbt_new0(s_route_extended_t, 1);
+ new_e_route->generic_route.link_list = links_list;
+ } else if (!strcmp(src, dst) && are_processing_units) {
+ new_e_route = xbt_new0(s_route_extended_t, 1);
+ xbt_dynar_push(links_list, &(global_routing->loopback));
+ new_e_route->generic_route.link_list = links_list;
+ } else {
+ xbt_dynar_free(&link_list);
+ }
+
+ if (!are_processing_units && new_e_route) {
+ rule_route_extended_t ruleroute_extended =
+ (rule_route_extended_t) ruleroute;
+ new_e_route->src_gateway =
+ remplace(ruleroute_extended->re_src_gateway, list_src, rc_src,
+ list_dst, rc_dst);
+ new_e_route->dst_gateway =
+ remplace(ruleroute_extended->re_dst_gateway, list_src, rc_src,
+ list_dst, rc_dst);
+ }
+
+ if (list_src)
+ pcre_free_substring_list(list_src);
+ if (list_dst)
+ pcre_free_substring_list(list_dst);
+
+ return new_e_route;
+}
+
+static route_extended_t rulebased_get_bypass_route(routing_component_t rc,
+ const char *src,
+ const char *dst)
+{
+ return NULL;
+}
+
+static void rulebased_finalize(routing_component_t rc)
+{
+ routing_component_rulebased_t routing =
+ (routing_component_rulebased_t) rc;
+ if (routing) {
+ xbt_dict_free(&routing->dict_processing_units);
+ xbt_dict_free(&routing->dict_autonomous_systems);
+ xbt_dynar_free(&routing->list_route);
+ xbt_dynar_free(&routing->list_ASroute);
+ /* Delete structure */
+ xbt_free(routing);
+ }
+}
+
+/* Creation routing model functions */
+static void *model_rulebased_create(void)
+{
+ routing_component_rulebased_t new_component =
+ xbt_new0(s_routing_component_rulebased_t, 1);
+ new_component->generic_routing.set_processing_unit =
+ model_rulebased_set_processing_unit;
+ new_component->generic_routing.set_autonomous_system =
+ model_rulebased_set_autonomous_system;
+ new_component->generic_routing.set_route = model_rulebased_set_route;
+ new_component->generic_routing.set_ASroute = model_rulebased_set_ASroute;
+ new_component->generic_routing.set_bypassroute = model_rulebased_set_bypassroute;
+ new_component->generic_routing.get_onelink_routes = rulebased_get_onelink_routes;
+ new_component->generic_routing.get_route = rulebased_get_route;
+ new_component->generic_routing.get_bypass_route = generic_get_bypassroute; //rulebased_get_bypass_route;
+ new_component->generic_routing.finalize = rulebased_finalize;
+ /* initialization of internal structures */
+ new_component->dict_processing_units = xbt_dict_new();
+ new_component->dict_autonomous_systems = xbt_dict_new();
+ new_component->list_route = xbt_dynar_new(sizeof(rule_route_t), &rule_route_free);
+ new_component->list_ASroute =
+ xbt_dynar_new(sizeof(rule_route_extended_t),
+ &rule_route_extended_free);
+ return new_component;
+}
+
+static void model_rulebased_load(void)
+{
+ /* use "surfxml_add_callback" to add a parse function call */
+}
+
+static void model_rulebased_unload(void)
+{
+ /* use "surfxml_del_callback" to remove a parse function call */
+}
+
+static void model_rulebased_end(void)
+{
+}
+
+#endif /* HAVE_PCRE_LIB */
+
+/* ************************************************************************** */
+/* ******************************* NO ROUTING ******************************* */
+
+/* Routing model structure */
+typedef struct {
+ s_routing_component_t generic_routing;
+} s_routing_component_none_t, *routing_component_none_t;
+
+/* Business methods */
+static xbt_dynar_t none_get_onelink_routes(routing_component_t rc)
+{
+ return NULL;
+}
+
+static route_extended_t none_get_route(routing_component_t rc,
+ const char *src, const char *dst)
+{
+ return NULL;
+}
+
+static route_extended_t none_get_bypass_route(routing_component_t rc,
+ const char *src,
+ const char *dst)
+{
+ return NULL;
+}
+
+static void none_finalize(routing_component_t rc)
+{
+ xbt_free(rc);
+}
+
+static void none_set_processing_unit(routing_component_t rc,
+ const char *name)
+{
+}
+
+static void none_set_autonomous_system(routing_component_t rc,
+ const char *name)
+{
+}
+
+/* Creation routing model functions */
+static void *model_none_create(void)
+{
+ routing_component_none_t new_component =
+ xbt_new0(s_routing_component_none_t, 1);
+ new_component->generic_routing.set_processing_unit =
+ none_set_processing_unit;
+ new_component->generic_routing.set_autonomous_system =
+ none_set_autonomous_system;
+ new_component->generic_routing.set_route = NULL;
+ new_component->generic_routing.set_ASroute = NULL;
+ new_component->generic_routing.set_bypassroute = NULL;
+ new_component->generic_routing.get_route = none_get_route;
+ new_component->generic_routing.get_onelink_routes =
+ none_get_onelink_routes;
+ new_component->generic_routing.get_bypass_route = none_get_bypass_route;
+ new_component->generic_routing.finalize = none_finalize;
+ return new_component;
+}
+
+static void model_none_load(void)
+{
+}
+
+static void model_none_unload(void)
+{
+}
+
+static void model_none_end(void)
+{
+}
+
+/* ************************************************** */
+/* ********** PATERN FOR NEW ROUTING **************** */
+
+/* The minimal configuration of a new routing model need the next functions,
+ * also you need to set at the start of the file, the new model in the model
+ * list. Remember keep the null ending of the list.
+ */
+/*** Routing model structure ***/
+// typedef struct {
+// s_routing_component_t generic_routing;
+// /* things that your routing model need */
+// } s_routing_component_NEW_t,*routing_component_NEW_t;
+
+/*** Parse routing model functions ***/
+// static void model_NEW_set_processing_unit(routing_component_t rc, const char* name) {}
+// static void model_NEW_set_autonomous_system(routing_component_t rc, const char* name) {}
+// static void model_NEW_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {}
+// static void model_NEW_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t route) {}
+// static void model_NEW_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {}
+
+/*** Business methods ***/
+// static route_extended_t NEW_get_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
+// static route_extended_t NEW_get_bypass_route(routing_component_t rc, const char* src,const char* dst) {return NULL;}
+// static void NEW_finalize(routing_component_t rc) { xbt_free(rc);}
+
+/*** Creation routing model functions ***/
+// static void* model_NEW_create(void) {
+// routing_component_NEW_t new_component = xbt_new0(s_routing_component_NEW_t,1);
+// new_component->generic_routing.set_processing_unit = model_NEW_set_processing_unit;
+// new_component->generic_routing.set_autonomous_system = model_NEW_set_autonomous_system;
+// new_component->generic_routing.set_route = model_NEW_set_route;
+// new_component->generic_routing.set_ASroute = model_NEW_set_ASroute;
+// new_component->generic_routing.set_bypassroute = model_NEW_set_bypassroute;
+// new_component->generic_routing.get_route = NEW_get_route;
+// new_component->generic_routing.get_bypass_route = NEW_get_bypass_route;
+// new_component->generic_routing.finalize = NEW_finalize;
+// /* initialization of internal structures */
+// return new_component;
+// } /* mandatory */
+// static void model_NEW_load(void) {} /* mandatory */
+// static void model_NEW_unload(void) {} /* mandatory */
+// static void model_NEW_end(void) {} /* mandatory */
+
+/* ************************************************************************** */
+/* ************************* GENERIC PARSE FUNCTIONS ************************ */
+
+static void generic_set_processing_unit(routing_component_t rc,
+ const char *name)
+{
+ DEBUG1("Load process unit \"%s\"", name);
+ int *id = xbt_new0(int, 1);
+ xbt_dict_t _to_index;
+ _to_index = current_routing->to_index;
+ *id = xbt_dict_length(_to_index);
+ xbt_dict_set(_to_index, name, id, xbt_free);
+}
+
+static void generic_set_autonomous_system(routing_component_t rc,
+ const char *name)
+{
+ DEBUG1("Load Autonomous system \"%s\"", name);
+ int *id = xbt_new0(int, 1);
+ xbt_dict_t _to_index;
+ _to_index = current_routing->to_index;
+ *id = xbt_dict_length(_to_index);
+ xbt_dict_set(_to_index, name, id, xbt_free);
+}
+
+static int surf_pointer_resource_cmp(const void *a, const void *b) {
+ if(a == b)
+ return 0;
+ return 1;
+}
+
+static int surf_link_resource_cmp(const void *a, const void *b) {
+ if( memcmp(a,b,global_routing->size_of_link) == 0 );
+ return 0;
+ return 1;
+}
+
+static void generic_set_bypassroute(routing_component_t rc,
+ const char *src, const char *dst,
+ route_extended_t e_route)
+{
+ DEBUG2("Load bypassRoute from \"%s\" to \"%s\"", src, dst);
+ xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
+ char *route_name;
+
+ route_name = bprintf("%s#%s", src, dst);
+ xbt_assert2(xbt_dynar_length(e_route->generic_route.link_list) > 0,
+ "Invalid count of links, must be greater than zero (%s,%s)",
+ src, dst);
+ xbt_assert4(!xbt_dict_get_or_null(dict_bypassRoutes, route_name),
+ "The bypass route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",
+ src, e_route->src_gateway, dst, e_route->dst_gateway);
+
+ route_extended_t new_e_route =
+ generic_new_extended_route(SURF_ROUTING_RECURSIVE, e_route, 0);
+ xbt_dynar_free(&(e_route->generic_route.link_list));
+ xbt_free(e_route);
+
+ xbt_dict_set(dict_bypassRoutes, route_name, new_e_route,
+ (void (*)(void *)) generic_free_extended_route);
+ xbt_free(route_name);
+}
+
+/* ************************************************************************** */
+/* *********************** GENERIC BUSINESS METHODS ************************* */
+
+static xbt_dynar_t generic_get_onelink_routes(routing_component_t rc)
+{
+ xbt_die("\"generic_get_onelink_routes\" not implemented yet");
+}
+
+static route_extended_t generic_get_bypassroute(routing_component_t rc,
+ const char *src,
+ const char *dst)
+{
+ xbt_dict_t dict_bypassRoutes = rc->bypassRoutes;
+ routing_component_t src_as, dst_as;
+ int index_src, index_dst;
+ xbt_dynar_t path_src = NULL;
+ xbt_dynar_t path_dst = NULL;
+ routing_component_t current = NULL;
+ routing_component_t *current_src = NULL;
+ routing_component_t *current_dst = NULL;
+
+ /* (1) find the as where the src and dst are located */
+ src_as = ((network_element_info_t)
+ xbt_dict_get_or_null(global_routing->where_network_elements,
+ src))->rc_component;
+ dst_as = ((network_element_info_t)
+ xbt_dict_get_or_null(global_routing->where_network_elements,
+ dst))->rc_component;
+ xbt_assert2(src_as
+ && dst_as,
+ "Ask for route \"from\"(%s) or \"to\"(%s) no found", src,
+ dst);
+
+ /* (2) find the path to the root routing component */
+ path_src = xbt_dynar_new(sizeof(routing_component_t), NULL);
+ current = src_as;
+ while (current != NULL) {
+ xbt_dynar_push(path_src, ¤t);
+ current = current->routing_father;
+ }
+ path_dst = xbt_dynar_new(sizeof(routing_component_t), NULL);
+ current = dst_as;
+ while (current != NULL) {
+ xbt_dynar_push(path_dst, ¤t);
+ current = current->routing_father;
+ }
+
+ /* (3) find the common father */
+ index_src = (path_src->used) - 1;
+ index_dst = (path_dst->used) - 1;
+ current_src = xbt_dynar_get_ptr(path_src, index_src);
+ current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
+ while (index_src >= 0 && index_dst >= 0 && *current_src == *current_dst) {
+ routing_component_t *tmp_src, *tmp_dst;
+ tmp_src = xbt_dynar_pop_ptr(path_src);
+ tmp_dst = xbt_dynar_pop_ptr(path_dst);
+ index_src--;
+ index_dst--;
+ current_src = xbt_dynar_get_ptr(path_src, index_src);
+ current_dst = xbt_dynar_get_ptr(path_dst, index_dst);
+ }
+
+ int max_index_src = (path_src->used) - 1;
+ int max_index_dst = (path_dst->used) - 1;
+
+ int max_index = max(max_index_src, max_index_dst);
+ int i, max;
+
+ route_extended_t e_route_bypass = NULL;
+
+ for (max = 0; max <= max_index; max++) {
+ for (i = 0; i < max; i++) {
+ if (i <= max_index_src && max <= max_index_dst) {
+ char *route_name = bprintf("%s#%s",
+ (*(routing_component_t *)
+ (xbt_dynar_get_ptr
+ (path_src, i)))->name,
+ (*(routing_component_t *)
+ (xbt_dynar_get_ptr
+ (path_dst, max)))->name);
+ e_route_bypass =
+ xbt_dict_get_or_null(dict_bypassRoutes, route_name);
+ xbt_free(route_name);
+ }
+ if (e_route_bypass)
+ break;
+ if (max <= max_index_src && i <= max_index_dst) {
+ char *route_name = bprintf("%s#%s",
+ (*(routing_component_t *)
+ (xbt_dynar_get_ptr
+ (path_src, max)))->name,
+ (*(routing_component_t *)
+ (xbt_dynar_get_ptr
+ (path_dst, i)))->name);
+ e_route_bypass =
+ xbt_dict_get_or_null(dict_bypassRoutes, route_name);
+ xbt_free(route_name);
+ }
+ if (e_route_bypass)
+ break;
+ }
+
+ if (e_route_bypass)
+ break;
+
+ if (max <= max_index_src && max <= max_index_dst) {
+ char *route_name = bprintf("%s#%s",
+ (*(routing_component_t *)
+ (xbt_dynar_get_ptr
+ (path_src, max)))->name,
+ (*(routing_component_t *)
+ (xbt_dynar_get_ptr
+ (path_dst, max)))->name);
+ e_route_bypass = xbt_dict_get_or_null(dict_bypassRoutes, route_name);
+ xbt_free(route_name);
+ }
+ if (e_route_bypass)
+ break;
+ }
+
+ xbt_dynar_free(&path_src);
+ xbt_dynar_free(&path_dst);
+
+ route_extended_t new_e_route = NULL;
+
+ if (e_route_bypass) {
+ void *link;
+ unsigned int cpt = 0;
+ new_e_route = xbt_new0(s_route_extended_t, 1);
+ new_e_route->src_gateway = xbt_strdup(e_route_bypass->src_gateway);
+ new_e_route->dst_gateway = xbt_strdup(e_route_bypass->dst_gateway);
+ new_e_route->generic_route.link_list =
+ xbt_dynar_new(global_routing->size_of_link, NULL);
+ xbt_dynar_foreach(e_route_bypass->generic_route.link_list, cpt, link) {
+ xbt_dynar_push(new_e_route->generic_route.link_list, &link);
+ }
+ }
+
+ return new_e_route;
+}
+
+/* ************************************************************************** */
+/* ************************* GENERIC AUX FUNCTIONS ************************** */
+
+static route_extended_t
+generic_new_extended_route(e_surf_routing_hierarchy_t hierarchy,
+ void *data, int order)
+{
+
+ char *link_name;
+ route_extended_t e_route, new_e_route;
+ route_t route;
+ unsigned int cpt;
+ xbt_dynar_t links = NULL, links_id = NULL;
+
+ new_e_route = xbt_new0(s_route_extended_t, 1);
+ new_e_route->generic_route.link_list =
+ xbt_dynar_new(global_routing->size_of_link, NULL);
+ new_e_route->src_gateway = NULL;
+ new_e_route->dst_gateway = NULL;
+
+ xbt_assert0(hierarchy == SURF_ROUTING_BASE
+ || hierarchy == SURF_ROUTING_RECURSIVE,
+ "the hierarchy type is not defined");
+
+ if (hierarchy == SURF_ROUTING_BASE) {
+
+ route = (route_t) data;
+ links = route->link_list;
+
+ } else if (hierarchy == SURF_ROUTING_RECURSIVE) {
+
+ e_route = (route_extended_t) data;
+ xbt_assert0(e_route->src_gateway
+ && e_route->dst_gateway, "bad gateway, is null");
+ links = e_route->generic_route.link_list;
+
+ /* remeber not erase the gateway names */
+ new_e_route->src_gateway = e_route->src_gateway;
+ new_e_route->dst_gateway = e_route->dst_gateway;
+ }
+
+ links_id = new_e_route->generic_route.link_list;
+
+ xbt_dynar_foreach(links, cpt, link_name) {
+
+ void *link =
+ xbt_dict_get_or_null(surf_network_model->resource_set, link_name);
+ if (link) {
+ if (order)
+ xbt_dynar_push(links_id, &link);
+ else
+ xbt_dynar_unshift(links_id, &link);
+ } else
+ THROW1(mismatch_error, 0, "Link %s not found", link_name);
+ }
+
+ return new_e_route;
+}
+
+static void generic_free_route(route_t route)
+{
+ if (route) {
+ xbt_dynar_free(&(route->link_list));
+ xbt_free(route);
+ }
+}
+
+static void generic_free_extended_route(route_extended_t e_route)
+{
+ if (e_route) {
+ xbt_dynar_free(&(e_route->generic_route.link_list));
+ if (e_route->src_gateway)
+ xbt_free(e_route->src_gateway);
+ if (e_route->dst_gateway)
+ xbt_free(e_route->dst_gateway);
+ xbt_free(e_route);
+ }
+}
+
+static routing_component_t generic_as_exist(routing_component_t find_from,
+ routing_component_t to_find)
+{
+ //return to_find; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
+ xbt_dict_cursor_t cursor = NULL;
+ char *key;
+ int found = 0;
+ routing_component_t elem;
+ xbt_dict_foreach(find_from->routing_sons, cursor, key, elem) {
+ if (to_find == elem || generic_as_exist(elem, to_find)) {
+ found = 1;
+ break;
+ }
+ }
+ if (found)
+ return to_find;
+ return NULL;
+}
+
+static routing_component_t
+generic_autonomous_system_exist(routing_component_t rc, char *element)
+{
+ //return rc; // FIXME: BYPASSERROR OF FOREACH WITH BREAK
+ routing_component_t element_as, result, elem;
+ xbt_dict_cursor_t cursor = NULL;
+ char *key;
+ element_as = ((network_element_info_t)
+ xbt_dict_get_or_null
+ (global_routing->where_network_elements,
+ element))->rc_component;
+ result = ((routing_component_t) - 1);
+ if (element_as != rc)
+ result = generic_as_exist(rc, element_as);
+
+ int found = 0;
+ if (result) {
+ xbt_dict_foreach(element_as->routing_sons, cursor, key, elem) {
+ found = !strcmp(elem->name, element);
+ if (found)
+ break;
+ }
+ if (found)
+ return element_as;
+ }
+ return NULL;
+}
+
+static routing_component_t
+generic_processing_units_exist(routing_component_t rc, char *element)
+{
+ routing_component_t element_as;
+ element_as = ((network_element_info_t)
+ xbt_dict_get_or_null
+ (global_routing->where_network_elements,
+ element))->rc_component;
+ if (element_as == rc)
+ return element_as;
+ return generic_as_exist(rc, element_as);
+}
+
+static void generic_src_dst_check(routing_component_t rc, const char *src,
+ const char *dst)
+{
+
+ routing_component_t src_as = ((network_element_info_t)
+ xbt_dict_get_or_null
+ (global_routing->where_network_elements,
+ src))->rc_component;
+ routing_component_t dst_as = ((network_element_info_t)
+ xbt_dict_get_or_null
+ (global_routing->where_network_elements,
+ dst))->rc_component;
+
+ xbt_assert3(src_as != NULL && dst_as != NULL,
+ "Ask for route \"from\"(%s) or \"to\"(%s) no found at AS \"%s\"",
+ src, dst, rc->name);
+ xbt_assert4(src_as == dst_as,
+ "The src(%s in %s) and dst(%s in %s) are in differents AS",
+ src, src_as->name, dst, dst_as->name);
+ xbt_assert2(rc == dst_as,
+ "The routing component of src and dst is not the same as the network elements belong (%s==%s)",
+ rc->name, dst_as->name);
+}
+
+static void routing_parse_Sconfig(void)
+{
+ //TODO
+ DEBUG0("WARNING tag config not yet implemented.");
+ DEBUG1("Configuration name = %s",A_surfxml_config_id);
+}
+
+static void routing_parse_Econfig(void)
+{
+ //TODO
+ xbt_dict_cursor_t cursor = NULL;
+ char *key;
+ char *elem;
+ xbt_dict_foreach(current_property_set, cursor, key, elem) {
+ DEBUG2("property : %s = %s",key,elem);
+ }
+}
+
+static void routing_parse_Scluster(void)
+{
+ static int AX_ptr = 0;
+
+ char *cluster_id = A_surfxml_cluster_id;
+ char *cluster_prefix = A_surfxml_cluster_prefix;
+ char *cluster_suffix = A_surfxml_cluster_suffix;
+ char *cluster_radical = A_surfxml_cluster_radical;
+ char *cluster_power = A_surfxml_cluster_power;
+ char *cluster_bw = A_surfxml_cluster_bw;
+ char *cluster_lat = A_surfxml_cluster_lat;
+ char *cluster_bb_bw = A_surfxml_cluster_bb_bw;
+ char *cluster_bb_lat = A_surfxml_cluster_bb_lat;
+ char *host_id, *groups, *link_id = NULL;
+ char *router_id, *link_router, *link_backbone, *route_src_dst;
+ unsigned int iter;
+ int start, end, i;
+ xbt_dynar_t radical_elements;
+ xbt_dynar_t radical_ends;
+ int cluster_sharing_policy = AX_surfxml_cluster_sharing_policy;
+ int cluster_bb_sharing_policy = AX_surfxml_cluster_bb_sharing_policy;
+
+#ifndef HAVE_PCRE_LIB
+ xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
+ char *route_src, *route_dst;
+ int j;
+#endif
+
+ static unsigned int surfxml_buffer_stack_stack_ptr = 1;
+ static unsigned int surfxml_buffer_stack_stack[1024];
+
+ surfxml_buffer_stack_stack[0] = 0;
+
+ surfxml_bufferstack_push(1);
+
+ SURFXML_BUFFER_SET(AS_id, cluster_id);
+#ifdef HAVE_PCRE_LIB
+ SURFXML_BUFFER_SET(AS_routing, "RuleBased");
+ DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">", cluster_id);
+#else
+ SURFXML_BUFFER_SET(AS_routing, "Full");
+ DEBUG1("<AS id=\"%s\"\trouting=\"Full\">", cluster_id);
+#endif
+ SURFXML_START_TAG(AS);
+
+ radical_elements = xbt_str_split(cluster_radical, ",");
+ xbt_dynar_foreach(radical_elements, iter, groups) {
+ radical_ends = xbt_str_split(groups, "-");
+ switch (xbt_dynar_length(radical_ends)) {
+ case 1:
+ surf_parse_get_int(&start,
+ xbt_dynar_get_as(radical_ends, 0, char *));
+ host_id = bprintf("%s%d%s", cluster_prefix, start, cluster_suffix);
+#ifndef HAVE_PCRE_LIB
+ xbt_dynar_push_as(tab_elements_num, int, start);
+#endif
+ link_id = bprintf("%s_link_%d", cluster_id, start);
+
+ DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
+ A_surfxml_host_state = A_surfxml_host_state_ON;
+ SURFXML_BUFFER_SET(host_id, host_id);
+ SURFXML_BUFFER_SET(host_power, cluster_power);
+ SURFXML_BUFFER_SET(host_availability, "1.0");
+ SURFXML_BUFFER_SET(host_availability_file, "");
+ SURFXML_BUFFER_SET(host_state_file, "");
+ SURFXML_START_TAG(host);
+ SURFXML_END_TAG(host);
+
+ DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
+ A_surfxml_link_state = A_surfxml_link_state_ON;
+ A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
+ if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
+ {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
+ if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
+ {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;}
+ SURFXML_BUFFER_SET(link_id, link_id);
+ SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
+ SURFXML_BUFFER_SET(link_latency, cluster_lat);
+ SURFXML_BUFFER_SET(link_bandwidth_file, "");
+ SURFXML_BUFFER_SET(link_latency_file, "");
+ SURFXML_BUFFER_SET(link_state_file, "");
+ SURFXML_START_TAG(link);
+ SURFXML_END_TAG(link);
+
+ break;
+
+ case 2:
+
+ surf_parse_get_int(&start,
+ xbt_dynar_get_as(radical_ends, 0, char *));
+ surf_parse_get_int(&end, xbt_dynar_get_as(radical_ends, 1, char *));
+ DEBUG2("Create hosts and links from %d to %d", start, end);
+ for (i = start; i <= end; i++) {
+ host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
+#ifndef HAVE_PCRE_LIB
+ xbt_dynar_push_as(tab_elements_num, int, i);
+#endif
+ link_id = bprintf("%s_link_%d", cluster_id, i);
+
+ DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, cluster_power);
+ A_surfxml_host_state = A_surfxml_host_state_ON;
+ SURFXML_BUFFER_SET(host_id, host_id);
+ SURFXML_BUFFER_SET(host_power, cluster_power);
+ SURFXML_BUFFER_SET(host_availability, "1.0");
+ SURFXML_BUFFER_SET(host_availability_file, "");
+ SURFXML_BUFFER_SET(host_state_file, "");
+ SURFXML_START_TAG(host);
+ SURFXML_END_TAG(host);
+
+ DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id,cluster_bw, cluster_lat);
+ A_surfxml_link_state = A_surfxml_link_state_ON;
+ A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
+ if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
+ {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
+ if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
+ {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;}
+ SURFXML_BUFFER_SET(link_id, link_id);
+ SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
+ SURFXML_BUFFER_SET(link_latency, cluster_lat);
+ SURFXML_BUFFER_SET(link_bandwidth_file, "");
+ SURFXML_BUFFER_SET(link_latency_file, "");
+ SURFXML_BUFFER_SET(link_state_file, "");
+ SURFXML_START_TAG(link);
+ SURFXML_END_TAG(link);
+ }
+ break;
+
+ default:
+ DEBUG0("Malformed radical");
+ }
+
+ xbt_dynar_free(&radical_ends);
+ }
+
+ DEBUG0(" ");
+ router_id =
+ bprintf("%s%s_router%s", cluster_prefix, cluster_id,
+ cluster_suffix);
+ link_router = bprintf("%s_link_%s_router", cluster_id, cluster_id);
+ link_backbone = bprintf("%s_backbone", cluster_id);
+
+ DEBUG1("<router id=\"%s\"/>", router_id);
+ SURFXML_BUFFER_SET(router_id, router_id);;
+ SURFXML_START_TAG(router);
+ SURFXML_END_TAG(router);
+
+ DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_router,cluster_bw, cluster_lat);
+ A_surfxml_link_state = A_surfxml_link_state_ON;
+ A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
+ if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
+ {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FULLDUPLEX;}
+ if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FATPIPE)
+ {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;}
+ SURFXML_BUFFER_SET(link_id, link_router);
+ SURFXML_BUFFER_SET(link_bandwidth, cluster_bw);
+ SURFXML_BUFFER_SET(link_latency, cluster_lat);
+ SURFXML_BUFFER_SET(link_bandwidth_file, "");
+ SURFXML_BUFFER_SET(link_latency_file, "");
+ SURFXML_BUFFER_SET(link_state_file, "");
+ SURFXML_START_TAG(link);
+ SURFXML_END_TAG(link);
+
+ DEBUG3("<link\tid=\"%s\" bw=\"%s\" lat=\"%s\"/>", link_backbone,cluster_bw, cluster_lat);
+ A_surfxml_link_state = A_surfxml_link_state_ON;
+ A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
+ if(cluster_bb_sharing_policy == A_surfxml_cluster_bb_sharing_policy_FATPIPE)
+ {A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_FATPIPE;}
+ SURFXML_BUFFER_SET(link_id, link_backbone);
+ SURFXML_BUFFER_SET(link_bandwidth, cluster_bb_bw);
+ SURFXML_BUFFER_SET(link_latency, cluster_bb_lat);
+ SURFXML_BUFFER_SET(link_bandwidth_file, "");
+ SURFXML_BUFFER_SET(link_latency_file, "");
+ SURFXML_BUFFER_SET(link_state_file, "");
+ SURFXML_START_TAG(link);
+ SURFXML_END_TAG(link);
+
+ char *new_suffix = bprintf("%s", "");
+
+ radical_elements = xbt_str_split(cluster_suffix, ".");
+ xbt_dynar_foreach(radical_elements, iter, groups) {
+ if (strcmp(groups, "")) {
+ new_suffix = bprintf("%s\\.%s", new_suffix, groups);
+ }
+ }
+ route_src_dst = bprintf("%s(.*)%s", cluster_prefix, new_suffix);
+
+ DEBUG0(" ");
+
+#ifdef HAVE_PCRE_LIB
+
+ DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src_dst, route_src_dst);
+ DEBUG0("symetrical=\"NO\">");
+ SURFXML_BUFFER_SET(route_src, route_src_dst);
+ SURFXML_BUFFER_SET(route_dst, route_src_dst);
+ A_surfxml_route_symetrical = A_surfxml_route_symetrical_NO;
+ SURFXML_START_TAG(route);
+
+ DEBUG1("<link_ctn\tid=\"%s_link_$1src\"/>", cluster_id);
+ SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1src", cluster_id));
+ A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
+ if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
+ {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
+ SURFXML_START_TAG(link_ctn);
+ SURFXML_END_TAG(link_ctn);
+
+ DEBUG1("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
+ SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
+ A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
+ SURFXML_START_TAG(link_ctn);
+ SURFXML_END_TAG(link_ctn);
+
+ DEBUG1("<link_ctn\tid=\"%s_link_$1dst\"/>", cluster_id);
+ SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_link_$1dst", cluster_id));
+ A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
+ if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
+ {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
+ SURFXML_START_TAG(link_ctn);
+ SURFXML_END_TAG(link_ctn);
+
+ DEBUG0("</route>");
+ SURFXML_END_TAG(route);
+#else
+ for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
+ for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
+ if (i == xbt_dynar_length(tab_elements_num)) {
+ route_src = router_id;
+ } else {
+ route_src =
+ bprintf("%s%d%s", cluster_prefix,
+ xbt_dynar_get_as(tab_elements_num, i, int),
+ cluster_suffix);
+ }
+
+ if (j == xbt_dynar_length(tab_elements_num)) {
+ route_dst = router_id;
+ } else {
+ route_dst =
+ bprintf("%s%d%s", cluster_prefix,
+ xbt_dynar_get_as(tab_elements_num, j, int),
+ cluster_suffix);
+ }
+
+ DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", route_src, route_dst);
+ DEBUG0("symetrical=\"NO\">");
+ SURFXML_BUFFER_SET(route_src, route_src);
+ SURFXML_BUFFER_SET(route_dst, route_dst);
+ A_surfxml_route_symetrical = A_surfxml_route_symetrical_NO;
+ SURFXML_START_TAG(route);
+
+ if (i == xbt_dynar_length(tab_elements_num)) {
+ route_src = link_router;
+ } else {
+ route_src =
+ bprintf("%s_link_%d", cluster_id,
+ xbt_dynar_get_as(tab_elements_num, i, int));
+ }
+
+ if (j == xbt_dynar_length(tab_elements_num)) {
+ route_dst = link_router;
+ } else {
+ route_dst =
+ bprintf("%s_link_%d", cluster_id,
+ xbt_dynar_get_as(tab_elements_num, j, int));
+ }
+
+ DEBUG1("<link_ctn\tid=\"%s\"/>", route_src);
+ SURFXML_BUFFER_SET(link_ctn_id, route_src);
+ A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
+ if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
+ {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
+ SURFXML_START_TAG(link_ctn);
+ SURFXML_END_TAG(link_ctn);
+
+ DEBUG1("<link_ctn\tid=\"%s_backbone\"/>", cluster_id);
+ SURFXML_BUFFER_SET(link_ctn_id, bprintf("%s_backbone", cluster_id));
+ A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
+ SURFXML_START_TAG(link_ctn);
+ SURFXML_END_TAG(link_ctn);
+
+ DEBUG1("<link_ctn\tid=\"%s\"/>", route_dst);
+ SURFXML_BUFFER_SET(link_ctn_id, route_dst);
+ A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
+ if(cluster_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
+ {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
+ SURFXML_START_TAG(link_ctn);
+ SURFXML_END_TAG(link_ctn);
+
+ DEBUG0("</route>");
+ SURFXML_END_TAG(route);
+ }
+ }
+ xbt_dynar_free(&tab_elements_num);
+#endif
+
+ DEBUG0("</AS>");
+ SURFXML_END_TAG(AS);
+ DEBUG0(" ");
+
+ surfxml_bufferstack_pop(1);
+}
+
+/*
+ * New methods to init the routing model component from the lua script
+ */
+
+/*
+ * calling parse_S_AS_lua with lua values
+ */
+void routing_AS_init(const char *AS_id, const char *AS_routing)
+{
+ parse_S_AS_lua((char *) AS_id, (char *) AS_routing);
+}
+
+/*
+ * calling parse_E_AS_lua to fisnish the creation of routing component
+ */
+void routing_AS_end(const char *AS_id)
+{
+ parse_E_AS_lua((char *) AS_id);
+}
+
+/*
+ * add a host to the network element list
+ */
+
+void routing_add_host(const char *host_id)
+{
+ parse_S_host_lua((char *) host_id);
+}
+
+/*
+ * Set a new link on the actual list of link for a route or ASroute
+ */
+void routing_add_link(const char *link_id)
+{
+ parse_E_link_c_ctn_new_elem_lua((char *) link_id);
+}
+
+/*
+ *Set the endpoints for a route
+ */
+void routing_set_route(const char *src_id, const char *dst_id)
+{
+ parse_S_route_new_and_endpoints_lua((char *) src_id, (char *) dst_id);
+}
+
+/*
+ * Store the route by calling parse_E_route_store_route
+ */
+void routing_store_route(void)
{
- routing_full_parse_end();
+ parse_E_route_store_route();
}