-/* Copyright (c) 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2009, 2010, 2011. 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 <pcre.h> /* regular expresion library */
-#include "surf_private.h"
-#include "xbt/dynar.h"
-#include "xbt/str.h"
-#include "xbt/config.h"
-#include "xbt/graph.h"
-#include "xbt/set.h"
+#include <pcre.h> /* regular expression library */
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route,surf,"Routing part of surf");
+#include "simgrid/platf_interface.h" // platform creation API internal interface
-/* 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* 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_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_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_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_full_parse_Scluster(void);/*cluster bypass*/
-
-/* this lines are olny for replace use like index in the model table */
-#define SURF_MODEL_FULL 0
-#define SURF_MODEL_FLOYD 1
-#define SURF_MODEL_DIJKSTRA 2
-#define SURF_MODEL_DIJKSTRACACHE 3
-#define SURF_MODEL_RULEBASED 4
-#define SURF_MODEL_NONE 5
-
-/* 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 },
- {"RuleBased", "Rule-Based routing data (...)",
- model_rulebased_create, model_rulebased_load, model_rulebased_unload, model_rulebased_end },
- {"none", "No routing (usable with Constant network only)",
- model_none_create, model_none_load, model_none_unload, model_none_end },
- {NULL,NULL,NULL,NULL,NULL,NULL}};
-
-/* ************************************************************************** */
-/* ***************** GENERIC PARSE FUNCTIONS (declarations) ***************** */
+#include "surf_routing_private.h"
+#include "surf/surf_routing.h"
+#include "surf/surfxml_parse_values.h"
-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_route(routing_component_t rc, const char* src, const char* dst, route_t route);
-static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route);
-static void generic_set_bypassroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route);
+xbt_lib_t host_lib;
+int ROUTING_HOST_LEVEL; //Routing level
+int SURF_CPU_LEVEL; //Surf cpu level
+int SURF_WKS_LEVEL; //Surf workstation level
+int SIMIX_HOST_LEVEL; //Simix level
+int MSG_HOST_LEVEL; //Msg level
+int SD_HOST_LEVEL; //Simdag level
+int COORD_HOST_LEVEL; //Coordinates level
+int NS3_HOST_LEVEL; //host node for ns3
-/* ************************************************************************** */
-/* *************** GENERIC BUSINESS METHODS (declarations) ****************** */
+xbt_lib_t link_lib;
+int SD_LINK_LEVEL; //Simdag level
+int SURF_LINK_LEVEL; //Surf level
+int NS3_LINK_LEVEL; //link for ns3
-static route_extended_t generic_get_bypassroute(routing_component_t rc, const char* src, const char* dst);
+xbt_lib_t as_router_lib;
+int ROUTING_ASR_LEVEL; //Routing level
+int COORD_ASR_LEVEL; //Coordinates level
+int NS3_ASR_LEVEL; //host node for ns3
-/* ************************************************************************** */
-/* ****************** GENERIC AUX FUNCTIONS (declarations) ****************** */
+static xbt_dict_t random_value = NULL;
-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);
+/* Global vars */
+routing_global_t global_routing = NULL;
+AS_t current_routing = NULL;
-/* ************************************************************************** */
-/* **************************** 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 */
+xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
+static const char *src = NULL; /* temporary store the source name of a route */
+static const 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 */
+
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_route, surf, "Routing part of surf");
+
+static void routing_parse_peer(sg_platf_peer_cbarg_t peer); /* peer bypass */
+static void routing_parse_Srandom(void); /* random bypass */
+
+static void routing_parse_postparse(void);
+
+/* 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,
+ SURF_MODEL_RULEBASED,
+ SURF_MODEL_VIVALDI,
+ SURF_MODEL_CLUSTER
+} e_routing_types;
+
+struct s_model_type routing_models[] = {
+ {"Full",
+ "Full routing data (fast, large memory requirements, fully expressive)",
+ model_full_create, model_full_end},
+ {"Floyd",
+ "Floyd routing data (slow initialization, fast lookup, lesser memory requirements, shortest path routing only)",
+ model_floyd_create, model_floyd_end},
+ {"Dijkstra",
+ "Dijkstra routing data (fast initialization, slow lookup, small memory requirements, shortest path routing only)",
+ model_dijkstra_create, 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_end},
+ {"none", "No routing (usable with Constant network only)",
+ model_none_create, NULL},
+ {"RuleBased", "Rule-Based routing data (...)",
+ model_rulebased_create, NULL},
+ {"Vivaldi", "Vivaldi routing",
+ model_vivaldi_create, NULL},
+ {"Cluster", "Cluster routing",
+ model_cluster_create, NULL},
+ {NULL, NULL, NULL, NULL}
+};
/**
* \brief Add a "host" to the network element list
*/
-static void parse_S_host(void) {
- 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_host_id),
- "Reading a host, processing unit \"%s\" already exist",A_surfxml_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,A_surfxml_host_id);
- xbt_dict_set(global_routing->where_network_elements,A_surfxml_host_id,(void*)current_routing,NULL);
+static void parse_S_host(sg_platf_host_cbarg_t host)
+{
+ network_element_info_t info = NULL;
+ if (current_routing->hierarchy == SURF_ROUTING_NULL)
+ current_routing->hierarchy = SURF_ROUTING_BASE;
+ xbt_assert(!xbt_lib_get_or_null(host_lib, host->id, ROUTING_HOST_LEVEL),
+ "Reading a host, processing unit \"%s\" already exists", host->id);
+
+ current_routing->parse_PU(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_lib_set(host_lib, host->id, ROUTING_HOST_LEVEL, (void *) info);
+ if (host->coord && strcmp(host->coord, "")) {
+ if (!COORD_HOST_LEVEL)
+ xbt_die
+ ("To use coordinates, you must set configuration 'coordinates' to 'yes'");
+ xbt_dynar_t ctn = xbt_str_split_str(host->coord, " ");
+ xbt_dynar_shrink(ctn, 0);
+ xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
+ }
}
/**
* \brief Add a "router" to the network element list
*/
-static void parse_S_router(void) {
- 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);
- xbt_dict_set(global_routing->where_network_elements,A_surfxml_router_id,(void*)current_routing,NULL);
+static void parse_S_router(sg_platf_router_cbarg_t router)
+{
+ network_element_info_t info = NULL;
+ if (current_routing->hierarchy == SURF_ROUTING_NULL)
+ current_routing->hierarchy = SURF_ROUTING_BASE;
+ xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
+ "Reading a router, processing unit \"%s\" already exists",
+ router->id);
+
+ current_routing->parse_PU(current_routing, router->id);
+ info = xbt_new0(s_network_element_info_t, 1);
+ info->rc_component = current_routing;
+ info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
+
+ xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
+ if (strcmp(router->coord, "")) {
+ if (!COORD_ASR_LEVEL)
+ xbt_die
+ ("To use coordinates, you must set configuration 'coordinates' to 'yes'");
+ xbt_dynar_t ctn = xbt_str_split_str(router->coord, " ");
+ xbt_dynar_shrink(ctn, 0);
+ xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
+ }
}
+
/**
- * \brief Set the endponints for a route
+ * \brief Set the end points for a route
*/
-static void parse_S_route_new_and_endpoints(void) {
- if( src != NULL && dst != NULL && link_list != NULL )
- THROW2(arg_error,0,"Route between %s to %s can not be defined",A_surfxml_route_src,A_surfxml_route_dst);
+static void routing_parse_S_route(void)
+{
+ if (src != NULL && dst != NULL && link_list != NULL)
+ THROWF(arg_error, 0, "Route between %s to %s can not be defined",
+ A_surfxml_route_src, A_surfxml_route_dst);
src = A_surfxml_route_src;
dst = A_surfxml_route_dst;
- 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);
+ xbt_assert(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);
}
/**
- * \brief Set the endponints and gateways for a ASroute
+ * \brief Set the end points and gateways for a ASroute
*/
-static void parse_S_ASroute_new_and_endpoints(void) {
- 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);
+static void routing_parse_S_ASroute(void)
+{
+ if (src != NULL && dst != NULL && link_list != NULL)
+ THROWF(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);
+ xbt_assert(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);
}
/**
- * \brief Set the endponints for a bypassRoute
+ * \brief Set the end points for a bypassRoute
*/
-static void parse_S_bypassRoute_new_and_endpoints(void) {
- 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);
+static void routing_parse_S_bypassRoute(void)
+{
+ if (src != NULL && dst != NULL && link_list != NULL)
+ THROWF(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);
+ xbt_assert(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);
}
/**
- * \brief Set a new link on the actual list of link for a route or ASroute
+ * \brief Set a new link on the actual list of link for a route or ASroute from XML
*/
-static void parse_E_link_c_ctn_new_elem(void) {
- char *val;
- val = xbt_strdup(A_surfxml_link_c_ctn_id);
- xbt_dynar_push(link_list, &val);
+
+static void routing_parse_link_ctn(void)
+{
+ char *link_id;
+ switch (A_surfxml_link_ctn_direction) {
+ case AU_surfxml_link_ctn_direction:
+ case A_surfxml_link_ctn_direction_NONE:
+ link_id = xbt_strdup(A_surfxml_link_ctn_id);
+ break;
+ case A_surfxml_link_ctn_direction_UP:
+ link_id = bprintf("%s_UP", A_surfxml_link_ctn_id);
+ break;
+ case A_surfxml_link_ctn_direction_DOWN:
+ link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
+ break;
+ }
+ xbt_dynar_push(link_list, &link_id);
}
/**
* \brief Store the route by calling the set_route function of the current routing component
*/
-static void parse_E_route_store_route(void) {
- route_t route = xbt_new0(s_route_t,1);
- route->link_list = link_list;
-// xbt_assert1(generic_processing_units_exist(current_routing,src),"the \"%s\" processing units gateway does not exist",src);
-// xbt_assert1(generic_processing_units_exist(current_routing,dst),"the \"%s\" processing units gateway does not exist",dst);
- 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);
+static void routing_parse_E_route(void)
+{
+ route_extended_t route = xbt_new0(s_route_extended_t, 1);
+ route->generic_route.link_list = link_list;
+ xbt_assert(current_routing->parse_route,
+ "no defined method \"set_route\" in \"%s\"",
+ current_routing->name);
+ current_routing->parse_route(current_routing, src, dst, route);
link_list = NULL;
src = NULL;
dst = NULL;
/**
* \brief Store the ASroute by calling the set_ASroute function of the current routing component
*/
-static void parse_E_ASroute_store_route(void) {
- route_extended_t e_route = xbt_new0(s_route_extended_t,1);
+static void routing_parse_E_ASroute(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(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
-// xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
-// xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
-// xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",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);
+ e_route->dst_gateway = xbt_strdup(gw_dst);
+ xbt_assert(current_routing->parse_ASroute,
+ "no defined method \"set_ASroute\" in \"%s\"",
+ current_routing->name);
+ current_routing->parse_ASroute(current_routing, src, dst, e_route);
link_list = NULL;
src = NULL;
dst = NULL;
/**
* \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);
+static void routing_parse_E_bypassRoute(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(generic_autonomous_system_exist(current_routing,src),"the \"%s\" autonomous system does not exist",src);
-// xbt_assert1(generic_autonomous_system_exist(current_routing,dst),"the \"%s\" autonomous system does not exist",dst);
-// xbt_assert1(generic_processing_units_exist(current_routing,gw_src),"the \"%s\" processing units gateway does not exist",gw_src);
-// xbt_assert1(generic_processing_units_exist(current_routing,gw_dst),"the \"%s\" processing units gateway does not exist",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);
+ xbt_assert(current_routing->parse_bypassroute,
+ "Bypassing mechanism not implemented by routing '%s'",
+ current_routing->name);
+ current_routing->parse_bypassroute(current_routing, src, dst, e_route);
link_list = NULL;
src = NULL;
dst = NULL;
}
/**
- * \brief Make a new routing component
+ * \brief Make a new routing component to the platform
+ *
+ * Add a new autonomous system to the platform. Any elements (such as host,
+ * router or sub-AS) added after this call and before the corresponding call
+ * to sg_platf_new_AS_close() will be added to this AS.
*
- * Detect the routing model type of the routing component, make the new structure and
- * set the parsing functions to allows parsing the part of the routing tree
+ * Once this function was called, the configuration concerning the used
+ * models cannot be changed anymore.
+ *
+ * @param AS_id name of this autonomous system. Must be unique in the platform
+ * @param wanted_routing_type one of Full, Floyd, Dijkstra or similar. Full list in the variable routing_models, in src/surf/surf_routing.c
*/
-static void parse_S_AS(void) {
- routing_component_t new_routing;
- model_type_t model = NULL;
- char* wanted = A_surfxml_AS_routing;
+void routing_AS_begin(const char *AS_id, const char *wanted_routing_type)
+{
+ AS_t new_as;
+ routing_model_description_t model = NULL;
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];
+
+ /* search the routing model */
+ for (cpt = 0; routing_models[cpt].name; cpt++)
+ if (!strcmp(wanted_routing_type, 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);
+ if (model == NULL) {
+ fprintf(stderr, "Routing model %s not found. Existing models:\n",
+ wanted_routing_type);
+ for (cpt = 0; routing_models[cpt].name; cpt++)
+ fprintf(stderr, " %s: %s\n", routing_models[cpt].name,
+ routing_models[cpt].desc);
xbt_die(NULL);
}
/* 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(A_surfxml_AS_id);
- new_routing->routing_sons = xbt_dict_new();
- //INFO2("Routing %s for AS %s",A_surfxml_AS_routing,A_surfxml_AS_id);
-
- if( current_routing == NULL && global_routing->root == NULL ){
-
+ new_as = (AS_t) model->create();
+ new_as->model_desc = model;
+ new_as->hierarchy = SURF_ROUTING_NULL;
+ new_as->name = xbt_strdup(AS_id);
+
+ 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,A_surfxml_AS_id),
- "The AS \"%s\" already exist",A_surfxml_AS_id);
- /* it is a part of the tree */
- new_routing->routing_father = current_routing;
+ new_as->routing_father = NULL;
+ global_routing->root = new_as;
+
+ } else if (current_routing != NULL && global_routing->root != NULL) {
+
+ xbt_assert(!xbt_dict_get_or_null
+ (current_routing->routing_sons, AS_id),
+ "The AS \"%s\" already exists", AS_id);
+ /* it is a part of the tree */
+ new_as->routing_father = current_routing;
/* set the father behavior */
- if( current_routing->hierarchy == SURF_ROUTING_NULL ) current_routing->hierarchy = SURF_ROUTING_RECURSIVE;
+ 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,A_surfxml_AS_id,(void*)new_routing,NULL);
+ xbt_dict_set(current_routing->routing_sons, AS_id,
+ (void *) new_as, NULL);
/* add to the father element list */
- (*(current_routing->set_autonomous_system))(current_routing,A_surfxml_AS_id);
- /* unload the prev parse rules */
- (*(current_routing->routing->unload))();
-
+ current_routing->parse_AS(current_routing, AS_id);
} else {
- THROW0(arg_error,0,"All defined components must be belong to a AS");
+ THROWF(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;
+ current_routing = new_as;
}
/**
- * \brief Finish the creation of a new routing component
+ * \brief Specify that the current description of AS is finished
+ *
+ * Once you've declared all the content of your AS, you have to close
+ * it with this call. Your AS is not usable until you call this function.
+ *
+ * @fixme: this call is not as robust as wanted: bad things WILL happen
+ * if you call it twice for the same AS, or if you forget calling it, or
+ * even if you add stuff to a closed AS
*
- * 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(void) {
+void routing_AS_end()
+{
- if( current_routing == NULL ) {
- THROW1(arg_error,0,"Close AS(%s), that never open",A_surfxml_AS_id);
+ if (current_routing == NULL) {
+ THROWF(arg_error, 0, "Close an AS, but none was under construction");
} else {
- xbt_assert1(!xbt_dict_get_or_null(global_routing->where_network_elements,current_routing->name),
- "The AS \"%s\" already exist",current_routing->name);
- xbt_dict_set(global_routing->where_network_elements,current_routing->name,current_routing->routing_father,NULL);
- (*(current_routing->routing->unload))();
- (*(current_routing->routing->end))();
- current_routing = current_routing->routing_father;
- if( current_routing != NULL )
- (*(current_routing->routing->load))();
+ network_element_info_t info = NULL;
+ xbt_assert(!xbt_lib_get_or_null
+ (as_router_lib, current_routing->name, ROUTING_ASR_LEVEL),
+ "The AS \"%s\" already exists", 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_lib_set(as_router_lib, current_routing->name, ROUTING_ASR_LEVEL,
+ (void *) info);
+
+ if (current_routing->model_desc->end)
+ current_routing->model_desc->end(current_routing);
+ current_routing = current_routing->routing_father;
}
}
* 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) {
-
- 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;
-
+static void elements_father(const char *src, const char *dst,
+ AS_t * res_father,
+ AS_t * res_src,
+ AS_t * res_dst)
+{
+ xbt_assert(src && dst, "bad parameters for \"elements_father\" method");
+#define ELEMENTS_FATHER_MAXDEPTH 16 /* increase if it is not enough */
+ AS_t src_as, dst_as;
+ AS_t path_src[ELEMENTS_FATHER_MAXDEPTH];
+ AS_t path_dst[ELEMENTS_FATHER_MAXDEPTH];
+ int index_src = 0;
+ int index_dst = 0;
+ AS_t current;
+ AS_t current_src;
+ AS_t current_dst;
+ AS_t father;
+
/* (1) find the as where the src and dst are located */
- src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
- dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst);
- xbt_assert2(src_as&&dst_as, "Ask for route \"from\"(%s) or \"to\"(%s) no found",src,dst);
-
+ network_element_info_t src_data = xbt_lib_get_or_null(host_lib, src,
+ ROUTING_HOST_LEVEL);
+ network_element_info_t dst_data = xbt_lib_get_or_null(host_lib, dst,
+ ROUTING_HOST_LEVEL);
+ if (!src_data)
+ src_data = xbt_lib_get_or_null(as_router_lib, src, ROUTING_ASR_LEVEL);
+ if (!dst_data)
+ dst_data = xbt_lib_get_or_null(as_router_lib, dst, ROUTING_ASR_LEVEL);
+ src_as = src_data->rc_component;
+ dst_as = dst_data->rc_component;
+
+ xbt_assert(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;
+ for (current = src_as; current != NULL; current = current->routing_father) {
+ if (index_src >= ELEMENTS_FATHER_MAXDEPTH)
+ xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_src");
+ path_src[index_src++] = current;
}
- 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;
+ for (current = dst_as; current != NULL; current = current->routing_father) {
+ if (index_dst >= ELEMENTS_FATHER_MAXDEPTH)
+ xbt_die("ELEMENTS_FATHER_MAXDEPTH should be increased for path_dst");
+ path_dst[index_dst++] = current;
}
-
+
/* (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);
+ do {
+ current_src = path_src[--index_src];
+ current_dst = path_dst[--index_dst];
+ } while (index_src > 0 && index_dst > 0 && current_src == current_dst);
/* (4) they are not in the same routing component, make the path */
- index_father_src = index_src+1;
- index_father_dst = index_dst+1;
-
- if(*current_src==*current_dst)
+ if (current_src == current_dst)
father = current_src;
else
- father = xbt_dynar_get_ptr(path_src,index_father_src);
-
+ father = path_src[index_src + 1];
+
/* (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 */
-
- xbt_dynar_free(&path_src);
- xbt_dynar_free(&path_dst);
-
- return result;
+ *res_father = father; /* first the common father of src and dst */
+ *res_src = current_src; /* second the first different father of src */
+ *res_dst = current_dst; /* three the first different father of dst */
+
+#undef ELEMENTS_FATHER_MAXDEPTH
}
/* Global Business methods */
/**
- * \brief Recursive function for get_route
+ * \brief Recursive function for get_route_latency
*
* \param src the source host name
* \param dst the destination host name
+ * \param *e_route the route where the links are stored
+ * \param *latency the latency, if needed
*
- * This fuction is call by "get_route". It allow to walk through the
- * routing components tree.
+ * This function is called by "get_route" and "get_latency". It allows to walk
+ * recursively through the routing components tree.
*/
-static route_extended_t _get_route(const char* src,const char* dst) {
-
- void* link;
- unsigned int cpt=0;
-
- DEBUG2("Solve route \"%s\" to \"%s\"",src,dst);
-
- xbt_assert0(src&&dst,"bad parameters for \"_get_route\" method");
-
- route_extended_t e_route, e_route_cnt, e_route_src, e_route_dst;
-
- 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);
- 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);
-
- 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);
-
- if(src_father==dst_father) { /* SURF_ROUTING_BASE */
-
- 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);
- }
-
- } else { /* SURF_ROUTING_RECURSIVE */
-
- 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);
-
- 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);
- }
-
- 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);
+static void _get_route_and_latency(const char *src, const char *dst,
+ xbt_dynar_t * route, double *latency)
+{
+ XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src, dst);
+ xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
- generic_free_extended_route(e_route_src);
- generic_free_extended_route(e_route_cnt);
- generic_free_extended_route(e_route_dst);
- }
-
- xbt_dynar_free(&elem_father_list);
-
- return e_route;
-}
+ AS_t common_father;
+ AS_t src_father;
+ AS_t dst_father;
+ elements_father(src, dst, &common_father, &src_father, &dst_father);
-/**
- * \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
- */
-static xbt_dynar_t get_route(const char* src,const char* dst) {
-
- 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);
-
- if(strcmp(src,dst))
- e_route = _get_route(src,dst);
- else
- e_route = (*(common_father->get_route))(common_father,src,dst);
-
- xbt_assert2(e_route,"no route between \"%s\" and \"%s\"",src,dst);
-
- if(global_routing->last_route) xbt_dynar_free( &(global_routing->last_route) );
- global_routing->last_route = 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);
- xbt_dynar_free(&elem_father_list);
-
- if( xbt_dynar_length(global_routing->last_route)==0 )
- return NULL;
- else
- return global_routing->last_route;
-}
+ if (src_father == dst_father) { /* SURF_ROUTING_BASE */
-/**
- * \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);
+ route_extended_t e_route = NULL;
+ if (route) {
+ e_route = common_father->get_route(common_father, src, dst);
+ xbt_assert(e_route, "no route between \"%s\" and \"%s\"", src, dst);
+ *route = e_route->generic_route.link_list;
}
- 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);
- }
-}
-
-/**
- * \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);
-}
-
-/**
- * \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->finalize = finalize;
- global_routing->loopback = loopback;
- global_routing->size_of_link = size_of_links;
- global_routing->last_route = xbt_dynar_new(size_of_links, NULL);
-
- /* no current routing at moment */
- current_routing = NULL;
-
- /* parse generic elements */
- surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host);
- surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router);
-
- surfxml_add_callback(STag_surfxml_route_cb_list, &parse_S_route_new_and_endpoints);
- 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_c_ctn_cb_list, &parse_E_link_c_ctn_new_elem);
-
- 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);
- surfxml_add_callback(ETag_surfxml_AS_cb_list, &parse_E_AS);
-
- surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_full_parse_Scluster);
-
-}
-
-/* ************************************************************************** */
-/* *************************** FULL ROUTING ********************************* */
-
-#define TO_ROUTE_FULL(i,j) routing->routing_table[(i)+(j)*table_size]
-
-/* Routing model structure */
-
-typedef struct {
- s_routing_component_t generic_routing;
- xbt_dict_t parse_routes; /* store data during the parse process */
- xbt_dict_t to_index; /* char* -> network_element_t */
- xbt_dict_t bypassRoutes;
- route_extended_t *routing_table;
-} s_routing_component_full_t,*routing_component_full_t;
-
-/* Business methods */
-
-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;
- int table_size = xbt_dict_length(routing->to_index);
-
- generic_src_dst_check(rc,src,dst);
- int *src_id = xbt_dict_get_or_null(routing->to_index,src);
- int *dst_id = xbt_dict_get_or_null(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(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);
+ if (latency) {
+ *latency = common_father->get_latency(common_father, src, dst, e_route);
+ xbt_assert(*latency >= 0.0,
+ "latency error on route between \"%s\" and \"%s\"", src, dst);
}
- }
- return new_e_route;
-}
-
-static void full_finalize(routing_component_t rc) {
- routing_component_full_t routing = (routing_component_full_t)rc;
- int table_size = xbt_dict_length(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(&routing->bypassRoutes);
- /* Delete index dict */
- xbt_dict_free(&(routing->to_index));
- /* Delete structure */
- xbt_free(rc);
- }
-}
-
-/* Creation routing model functions */
-
-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 = generic_set_route;
- new_component->generic_routing.set_ASroute = generic_set_ASroute;
- new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
- new_component->generic_routing.get_route = full_get_route;
- new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
- new_component->generic_routing.finalize = full_finalize;
- new_component->to_index = xbt_dict_new();
- new_component->bypassRoutes = xbt_dict_new();
- new_component->parse_routes = xbt_dict_new();
- return new_component;
-}
-
-static void model_full_load(void) {
- /* use "surfxml_add_callback" to add a parse function call */
-}
-
-static void model_full_unload(void) {
- /* use "surfxml_del_callback" to remove a parse function call */
-}
-
-static void model_full_end(void) {
-
- char *key, *end;
- const char* sep = "#";
- int src_id, dst_id;
- unsigned int i, j;
- route_t route;
- route_extended_t e_route;
- void* data;
-
- xbt_dict_cursor_t cursor = NULL;
- xbt_dynar_t keys = NULL;
-
- /* set utils vars */
- routing_component_full_t routing = ((routing_component_full_t)current_routing);
- int table_size = xbt_dict_length(routing->to_index);
-
- /* Create the routing table */
- routing->routing_table = xbt_new0(route_extended_t, table_size * table_size);
-
- /* Put the routes in position */
- xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
- keys = xbt_str_split_str(key, sep);
- src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
- dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
- TO_ROUTE_FULL(src_id,dst_id) = generic_new_extended_route(current_routing->hierarchy,data,1);
- xbt_dynar_free(&keys);
- }
-
- /* delete the parse table */
- xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
- route = (route_t)data;
- xbt_dynar_free(&(route->link_list));
- xbt_free(data);
- }
-
- /* delete parse dict */
- xbt_dict_free(&(routing->parse_routes));
-
- /* 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;
- }
+ if (e_route) {
+ xbt_free(e_route->src_gateway);
+ xbt_free(e_route->dst_gateway);
+ xbt_free(e_route);
}
- }
- /* Shrink the dynar routes (save unused slots) */
- for (i=0;i<table_size;i++)
- for (j=0;j<table_size;j++)
- if(TO_ROUTE_FULL(i,j))
- xbt_dynar_shrink(TO_ROUTE_FULL(i,j)->generic_route.link_list,0);
-}
+ } else { /* SURF_ROUTING_RECURSIVE */
-/* ************************************************************************** */
-/* *************************** FLOYD ROUTING ******************************** */
-
-#define TO_FLOYD_COST(i,j) 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;
- route_extended_t *link_table; /* char* -> int* */
- xbt_dict_t to_index;
- xbt_dict_t bypassRoutes;
- /* store data during the parse process */
- xbt_dict_t parse_routes;
-} s_routing_component_floyd_t,*routing_component_floyd_t;
-
-/* Business methods */
-
-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;
- int table_size = xbt_dict_length(routing->to_index);
-
- generic_src_dst_check(rc,src,dst);
- int *src_id = xbt_dict_get_or_null(routing->to_index,src);
- int *dst_id = xbt_dict_get_or_null(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,*gw_dst, *prev_gw_src,*prev_gw_dst, *first_gw;
- 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;
-}
+ 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);
-static void floyd_finalize(routing_component_t rc) {
- routing_component_floyd_t routing = (routing_component_floyd_t)rc;
- int i,j,table_size;
- if (routing) {
- table_size = xbt_dict_length(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->bypassRoutes);
- /* Delete index dict */
- xbt_dict_free(&(routing->to_index));
- /* Delete dictionary index dict, predecessor and links table */
- xbt_free(routing->predecessor_table);
- /* Delete structure */
- xbt_free(rc);
- }
-}
+ xbt_assert(!latency || !e_route_bypass,
+ "Bypass cannot work yet with get_latency");
-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 = generic_set_route;
- new_component->generic_routing.set_ASroute = generic_set_ASroute;
- new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
- new_component->generic_routing.get_route = floyd_get_route;
- new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
- new_component->generic_routing.finalize = floyd_finalize;
- new_component->to_index = xbt_dict_new();
- new_component->bypassRoutes = xbt_dict_new();
- new_component->parse_routes = xbt_dict_new();
- return new_component;
-}
+ route_extended_t e_route_cnt = e_route_bypass
+ ? e_route_bypass : common_father->get_route(common_father,
+ src_father->name,
+ dst_father->name);
-static void model_floyd_load(void) {
- /* use "surfxml_add_callback" to add a parse function call */
-}
+ xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
+ src_father->name, dst_father->name);
-static void model_floyd_unload(void) {
- /* use "surfxml_del_callback" to remove a parse function call */
-}
+ xbt_assert((e_route_cnt->src_gateway == NULL) ==
+ (e_route_cnt->dst_gateway == NULL),
+ "bad gateway for route between \"%s\" and \"%s\"", src, dst);
-static void model_floyd_end(void) {
-
- routing_component_floyd_t routing = ((routing_component_floyd_t)current_routing);
- xbt_dict_cursor_t cursor = NULL;
- double * cost_table;
- char *key,*data, *end;
- const char *sep = "#";
- xbt_dynar_t keys;
- int src_id, dst_id;
- unsigned int i,j,a,b,c;
-
- /* set the size of inicial table */
- int table_size = xbt_dict_length(routing->to_index);
-
- /* Create Cost, Predecessor and Link tables */
- 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 (route) {
+ *route = xbt_dynar_new(global_routing->size_of_link, NULL);
}
-
- /* Put the routes in position */
- xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
- keys = xbt_str_split_str(key, sep);
- src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
- dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
- TO_FLOYD_LINK(src_id,dst_id) = generic_new_extended_route(current_routing->hierarchy,data,0);
- TO_FLOYD_PRED(src_id,dst_id) = src_id;
- /* set link cost */
- 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 */
- xbt_dynar_free(&keys);
- }
-
- /* 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;
- }
+ if (latency) {
+ *latency = common_father->get_latency(common_father,
+ src_father->name, dst_father->name,
+ e_route_cnt);
+ xbt_assert(*latency >= 0.0,
+ "latency error on route between \"%s\" and \"%s\"",
+ src_father->name, dst_father->name);
}
- }
- /* 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);
- }
+
+ void *link;
+ unsigned int cpt;
+
+ if (strcmp(src, e_route_cnt->src_gateway)) {
+ double latency_src;
+ xbt_dynar_t route_src;
+
+ _get_route_and_latency(src, e_route_cnt->src_gateway,
+ (route ? &route_src : NULL),
+ (latency ? &latency_src : NULL));
+ if (route) {
+ xbt_assert(route_src, "no route between \"%s\" and \"%s\"",
+ src, e_route_cnt->src_gateway);
+ xbt_dynar_foreach(route_src, cpt, link) {
+ xbt_dynar_push(*route, &link);
}
+ xbt_dynar_free(&route_src);
}
- }
- }
-
- /* delete the parse table */
- xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
- route_t route = (route_t)data;
- xbt_dynar_free(&(route->link_list));
- xbt_free(data);
- }
-
- /* delete parse dict */
- xbt_dict_free(&(routing->parse_routes));
-
- /* cleanup */
- xbt_free(cost_table);
-}
-
-/* ************************************************************************** */
-/* ********** Dijkstra & Dijkstra Cached ROUTING **************************** */
-
-typedef struct {
- s_routing_component_t generic_routing;
- xbt_dict_t to_index;
- xbt_dict_t bypassRoutes;
- 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;
- xbt_dict_t parse_routes;
-} 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;
- 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;
-}
-
-/* Parsing */
-
-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;
-
- 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;
-
- if(dst_elm)
- dst = dst_elm->node;
-
- /* 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 link as edge to graph */
- xbt_graph_new_edge(routing->route_graph, src, dst, e_route);
-}
-
-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) {
- 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 (latency) {
+ xbt_assert(latency_src >= 0.0,
+ "latency error on route between \"%s\" and \"%s\"",
+ src, e_route_cnt->src_gateway);
+ *latency += latency_src;
}
}
- 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 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->to_index,src);
- int *dst_id = xbt_dict_get_or_null(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 v;
- route_extended_t e_route;
- int size = 0;
- 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(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) {
- /*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));
- }
-
- if(elm) { /* cached mode and cache hit */
- pred_arr = elm->pred_arr;
- } 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, xbt_free);
-
- /* initialize */
- cost_arr[src_node_id] = 0.0;
-
- for(i = 0; i < nr_nodes; i++) {
- if(i != src_node_id) {
- cost_arr[i] = DBL_MAX;
+ if (route) {
+ xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
+ xbt_dynar_push(*route, &link);
}
-
- pred_arr[i] = 0;
-
- /* 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);
- 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_edge_t edge = NULL;
- unsigned int cursor;
-
- xbt_dynar_foreach(out_edges, cursor, edge) {
- 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;
- 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]) {
- pred_arr[u_id] = *v_id;
- cost_arr[u_id] = cost_v_u + cost_arr[*v_id];
- nodeid = xbt_new0(int, 1);
- *nodeid = u_id;
- xbt_heap_push(pqueue, nodeid, cost_arr[u_id]);
+ if (strcmp(e_route_cnt->dst_gateway, dst)) {
+ double latency_dst;
+ xbt_dynar_t route_dst;
+
+ _get_route_and_latency(e_route_cnt->dst_gateway, dst,
+ (route ? &route_dst : NULL),
+ (latency ? &latency_dst : NULL));
+ if (route) {
+ xbt_assert(route_dst, "no route between \"%s\" and \"%s\"",
+ e_route_cnt->dst_gateway, dst);
+ xbt_dynar_foreach(route_dst, cpt, link) {
+ xbt_dynar_push(*route, &link);
}
+ xbt_dynar_free(&route_dst);
}
-
- /* free item popped from pqueue */
- xbt_free(v_id);
- }
-
- xbt_free(cost_arr);
- xbt_heap_free(pqueue);
- }
-
- /* compose route path with links */
- char *gw_src,*gw_dst, *prev_gw_src,*prev_gw_dst, *first_gw;
-
- 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);
-
- 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++;
+ if (latency) {
+ xbt_assert(latency_dst >= 0.0,
+ "latency error on route between \"%s\" and \"%s\"",
+ e_route_cnt->dst_gateway, dst);
+ *latency += latency_dst;
}
}
-
- 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, 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);
- }
-
- if(!routing->cached)
- xbt_free(pred_arr);
-
- return new_e_route;
-}
-
-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, &xbt_free, &graph_edge_data_free, &xbt_free);
- xbt_dict_free(&routing->graph_node_map);
- if(routing->cached)
- xbt_dict_free(&routing->route_cache);
- /* Delete bypass dict */
- xbt_dict_free(&routing->bypassRoutes);
- /* Delete index dict */
- xbt_dict_free(&(routing->to_index));
- /* Delete structure */
- xbt_free(routing);
- }
-}
-
-/* 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 = generic_set_route;
- new_component->generic_routing.set_ASroute = generic_set_ASroute;
- new_component->generic_routing.set_bypassroute = generic_set_bypassroute;
- new_component->generic_routing.get_route = dijkstra_get_route;
- new_component->generic_routing.get_bypass_route = generic_get_bypassroute;
- new_component->generic_routing.finalize = dijkstra_finalize;
- new_component->cached = cached;
- new_component->to_index = xbt_dict_new();
- new_component->bypassRoutes = xbt_dict_new();
- new_component->parse_routes = xbt_dict_new();
- return new_component;
-}
-static void* model_dijkstra_create(void) {
- return model_dijkstra_both_create(0);
-}
-
-static void* model_dijkstracache_create(void) {
- return model_dijkstra_both_create(1);
-}
-
-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 model_dijkstra_both_end(void) {
- routing_component_dijkstra_t routing = (routing_component_dijkstra_t) current_routing;
- xbt_dict_cursor_t cursor = NULL;
- char *key, *data, *end;
- const char *sep = "#";
- xbt_dynar_t keys;
- xbt_node_t node = NULL;
- unsigned int cursor2;
- xbt_dynar_t nodes = NULL;
- int src_id, dst_id;
- route_t route;
-
- /* 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 = xbt_dict_new();
-
- /* Put the routes in position */
- xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
- keys = xbt_str_split_str(key, sep);
- src_id = strtol(xbt_dynar_get_as(keys, 0, char *), &end, 10);
- dst_id = strtol(xbt_dynar_get_as(keys, 1, char *), &end, 10);
- route_extended_t e_route = generic_new_extended_route(current_routing->hierarchy,data,0);
- route_new_dijkstra(routing,src_id,dst_id,e_route);
- xbt_dynar_free(&keys);
- }
-
- /* delete the parse table */
- xbt_dict_foreach(routing->parse_routes, cursor, key, data) {
- route = (route_t)data;
- xbt_dynar_free(&(route->link_list));
- xbt_free(data);
- }
-
- /* delete parse dict */
- xbt_dict_free(&(routing->parse_routes));
-
- /* 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;
- }
-
-}
-
-/* ************************************************** */
-/* ************** 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));
+ generic_free_extended_route(e_route_cnt);
}
- (*elem) = 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));
+/**
+ * \brief Generic function for get_route, get_route_no_cleanup, and get_latency
+ */
+void routing_get_route_and_latency(const char *src, const char *dst,
+ xbt_dynar_t * route, double *latency, int cleanup)
+{
+ static xbt_dynar_t last_route = NULL;
+
+ _get_route_and_latency(src, dst, route, latency);
+ xbt_assert(!route || *route, "no route between \"%s\" and \"%s\"", src, dst);
+ xbt_assert(!latency || *latency >= 0.0,
+ "latency error on route between \"%s\" and \"%s\"", src, dst);
+ if (route) {
+ xbt_dynar_free(&last_route);
+ last_route = cleanup ? *route : NULL;
}
}
-/* Parse routing model functions */
-
-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);
-}
-
-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);
-}
-
-static void model_rulebased_set_route(routing_component_t rc, const char* src, const char* dst, route_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->link_list;
- xbt_dynar_push(routing->list_route,&ruleroute);
- xbt_free(route);
-}
-
-static void model_rulebased_set_ASroute(routing_component_t rc, const char* src, const char* dst, 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);
+/**
+ * \brief 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.
+ */
+xbt_dynar_t routing_get_route(const char *src, const char *dst) {
+ xbt_dynar_t route = NULL;
+ routing_get_route_and_latency(src, dst, &route, NULL, 1);
+ return 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 support for Route-Based model");
+/**
+ * \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 route = NULL;
+ routing_get_route_and_latency(src, dst, &route, NULL, 0);
+ return route;
}
-#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 ) {
-
- 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);
-}
+static xbt_dynar_t recursive_get_onelink_routes(AS_t rc)
+{
+ xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
-/* 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,rc_dst;
- 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;
+ //adding my one link routes
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);
- }
- }
+ 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);
}
- 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;
- }
-
- 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);
+ //recursing
+ char *key;
+ xbt_dict_cursor_t cursor = NULL;
+ AS_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;
}
-/* 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_route = rulebased_get_route;
- new_component->generic_routing.get_bypass_route = NULL; //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 xbt_dynar_t get_onelink_routes(void)
+{
+ return recursive_get_onelink_routes(global_routing->root);
}
-static void model_rulebased_end(void) {
-}
+e_surf_network_element_type_t routing_get_network_element_type(const char *name)
+{
+ network_element_info_t rc = NULL;
-/* ************************************************************************** */
-/* ******************************* NO ROUTING ******************************* */
+ rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
+ if (rc)
+ return rc->rc_type;
-/* Routing model structure */
-typedef struct {
- s_routing_component_t generic_routing;
-} s_routing_component_none_t,*routing_component_none_t;
+ rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
+ if (rc)
+ return rc->rc_type;
-/* Business methods */
-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);
+ return SURF_NETWORK_ELEMENT_NULL;
}
-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_bypass_route = none_get_bypass_route;
- new_component->generic_routing.finalize = none_finalize;
- return new_component;
+/**
+ * \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->root = NULL;
+ global_routing->get_route_no_cleanup = get_route_no_cleanup;
+ global_routing->get_onelink_routes = get_onelink_routes;
+ global_routing->loopback = loopback;
+ global_routing->size_of_link = size_of_links;
+ /* no current routing at moment */
+ current_routing = NULL;
}
-static void model_none_load(void) {}
-static void model_none_unload(void) {}
-static void model_none_end(void) {}
/* ************************************************** */
/* ********** PATERN FOR NEW ROUTING **************** */
// 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);
- model_type_t modeltype = rc->routing;
- int *id = xbt_new0(int,1);
- xbt_dict_t _to_index;
- if(modeltype==&routing_models[SURF_MODEL_FULL])
- _to_index = ((routing_component_full_t)rc)->to_index;
-
- else if(modeltype==&routing_models[SURF_MODEL_FLOYD])
- _to_index = ((routing_component_floyd_t)rc)->to_index;
-
- else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
- modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE])
- _to_index = ((routing_component_dijkstra_t)rc)->to_index;
-
- else xbt_die("\"generic_set_processing_unit\" not support");
- *id = xbt_dict_length(_to_index);
- xbt_dict_set(_to_index,name,id,xbt_free);
-}
+/* ************************* GENERIC PARSE FUNCTIONS ************************ */
-static void generic_set_autonomous_system(routing_component_t rc, const char* name) {
- DEBUG1("Load Autonomous system \"%s\"",name);
- model_type_t modeltype = rc->routing;
- int *id = xbt_new0(int,1);
- xbt_dict_t _to_index;
- if(modeltype==&routing_models[SURF_MODEL_FULL])
- _to_index = ((routing_component_full_t)rc)->to_index;
-
- else if(modeltype==&routing_models[SURF_MODEL_FLOYD])
- _to_index = ((routing_component_floyd_t)rc)->to_index;
-
- else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
- modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE])
- _to_index = ((routing_component_dijkstra_t)rc)->to_index;
-
- else xbt_die("\"generic_set_autonomous_system\" not support");
- *id = xbt_dict_length(_to_index);
- xbt_dict_set(_to_index,name,id,xbt_free);
-}
-static void generic_set_route(routing_component_t rc, const char* src, const char* dst, route_t route) {
- DEBUG2("Load Route from \"%s\" to \"%s\"",src,dst);
- model_type_t modeltype = rc->routing;
- xbt_dict_t _parse_routes;
- xbt_dict_t _to_index;
- char *route_name;
- int *src_id, *dst_id;
-
- if(modeltype==&routing_models[SURF_MODEL_FULL]) {
- _parse_routes = ((routing_component_full_t)rc)->parse_routes;
- _to_index = ((routing_component_full_t)rc)->to_index;
-
- } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
- _parse_routes = ((routing_component_floyd_t)rc)->parse_routes;
- _to_index = ((routing_component_floyd_t)rc)->to_index;
-
- } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
- modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
- _parse_routes = ((routing_component_dijkstra_t)rc)->parse_routes;
- _to_index = ((routing_component_dijkstra_t)rc)->to_index;
-
- } else xbt_die("\"generic_set_route\" not support");
-
- src_id = xbt_dict_get_or_null(_to_index, src);
- dst_id = xbt_dict_get_or_null(_to_index, dst);
-
- xbt_assert2(src_id&&dst_id,"Network elements %s or %s not found", src, dst);
- route_name = bprintf("%d#%d",*src_id,*dst_id);
-
- xbt_assert2(xbt_dynar_length(route->link_list)>0, "Invalid count of links, must be greater than zero (%s,%s)",src,dst);
- xbt_assert2(!xbt_dict_get_or_null(_parse_routes,route_name),
- "The route between \"%s\" and \"%s\" already exist",src,dst);
-
- xbt_dict_set(_parse_routes, route_name, route, NULL);
- xbt_free(route_name);
-}
+static void routing_parse_cluster(sg_platf_cluster_cbarg_t cluster)
+{
+ char *host_id, *groups, *link_id = NULL;
+ xbt_dict_t patterns = NULL;
+
+ s_sg_platf_host_cbarg_t host;
+ s_sg_platf_link_cbarg_t link;
+
+ unsigned int iter;
+ int start, end, i;
+ xbt_dynar_t radical_elements;
+ xbt_dynar_t radical_ends;
+
+ if (strcmp(cluster->availability_trace, "")
+ || strcmp(cluster->state_trace, "")) {
+ patterns = xbt_dict_new();
+ xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), free);
+ xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), free);
+ xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), free);
+ }
-static void generic_set_ASroute(routing_component_t rc, const char* src, const char* dst, route_extended_t e_route) {
- DEBUG4("Load ASroute from \"%s(%s)\" to \"%s(%s)\"",src,e_route->src_gateway,dst,e_route->dst_gateway);
- model_type_t modeltype = rc->routing;
- xbt_dict_t _parse_routes;
- xbt_dict_t _to_index;
- char *route_name;
- int *src_id, *dst_id;
-
- if(modeltype==&routing_models[SURF_MODEL_FULL]) {
- _parse_routes = ((routing_component_full_t)rc)->parse_routes;
- _to_index = ((routing_component_full_t)rc)->to_index;
-
- } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
- _parse_routes = ((routing_component_floyd_t)rc)->parse_routes;
- _to_index = ((routing_component_floyd_t)rc)->to_index;
-
- } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
- modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
- _parse_routes = ((routing_component_dijkstra_t)rc)->parse_routes;
- _to_index = ((routing_component_dijkstra_t)rc)->to_index;
-
- } else xbt_die("\"generic_set_route\" not support");
-
- src_id = xbt_dict_get_or_null(_to_index, src);
- dst_id = xbt_dict_get_or_null(_to_index, dst);
-
- xbt_assert2(src_id&&dst_id,"Network elements %s or %s not found", src, dst);
- route_name = bprintf("%d#%d",*src_id,*dst_id);
-
- 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(_parse_routes,route_name),
- "The route between \"%s\"(\"%s\") and \"%s\"(\"%s\") already exist",src,e_route->src_gateway,dst,e_route->dst_gateway);
-
- xbt_dict_set(_parse_routes, route_name, e_route, NULL);
- xbt_free(route_name);
-}
-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);
- model_type_t modeltype = rc->routing;
- xbt_dict_t dict_bypassRoutes;
- char *route_name;
- if(modeltype==&routing_models[SURF_MODEL_FULL]) {
- dict_bypassRoutes = ((routing_component_full_t)rc)->bypassRoutes;
- } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
- dict_bypassRoutes = ((routing_component_floyd_t)rc)->bypassRoutes;
- } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
- modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
- dict_bypassRoutes = ((routing_component_dijkstra_t)rc)->bypassRoutes;
- } else xbt_die("\"generic_set_bypassroute\" not support");
- 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);
-}
+ XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", cluster->id);
+ sg_platf_new_AS_begin(cluster->id, "Cluster");
-/* ************************************************************************** */
-/* *********************** GENERIC BUSINESS METHODS ************************* */
-
-static route_extended_t generic_get_bypassroute(routing_component_t rc, const char* src, const char* dst) {
- model_type_t modeltype = rc->routing;
- xbt_dict_t dict_bypassRoutes;
-
- if(modeltype==&routing_models[SURF_MODEL_FULL]) {
- dict_bypassRoutes = ((routing_component_full_t)rc)->bypassRoutes;
- } else if(modeltype==&routing_models[SURF_MODEL_FLOYD]) {
- dict_bypassRoutes = ((routing_component_floyd_t)rc)->bypassRoutes;
- } else if(modeltype==&routing_models[SURF_MODEL_DIJKSTRA]||
- modeltype==&routing_models[SURF_MODEL_DIJKSTRACACHE]) {
- dict_bypassRoutes = ((routing_component_dijkstra_t)rc)->bypassRoutes;
- } else xbt_die("\"generic_set_bypassroute\" not support");
-
-
- 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;
+ //Make all hosts
+ radical_elements = xbt_str_split(cluster->radical, ",");
+ xbt_dynar_foreach(radical_elements, iter, groups) {
- /* (1) find the as where the src and dst are located */
- src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
- dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst);
- 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;
- }
+ radical_ends = xbt_str_split(groups, "-");
+ start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
- /* (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);
+ switch (xbt_dynar_length(radical_ends)) {
+ case 1:
+ end = start;
+ break;
+ case 2:
+ end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
+ break;
+ default:
+ surf_parse_error("Malformed radical");
+ break;
+ }
+ for (i = start; i <= end; i++) {
+ host_id =
+ bprintf("%s%d%s", cluster->prefix, i, cluster->suffix);
+ link_id = bprintf("%s_link_%d", cluster->id, i);
+
+ XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->power);
+
+ memset(&host, 0, sizeof(host));
+ host.id = host_id;
+ if (strcmp(cluster->availability_trace, "")) {
+ xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
+ char *avail_file = xbt_str_varsubst(cluster->availability_trace, patterns);
+ XBT_DEBUG("\tavailability_file=\"%s\"", avail_file);
+ host.power_trace = tmgr_trace_new(avail_file);
+ xbt_free(avail_file);
+ } else {
+ XBT_DEBUG("\tavailability_file=\"\"");
}
- 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 (strcmp(cluster->state_trace, "")) {
+ char *avail_file = xbt_str_varsubst(cluster->state_trace, patterns);
+ XBT_DEBUG("\tstate_file=\"%s\"", avail_file);
+ host.state_trace = tmgr_trace_new(avail_file);
+ xbt_free(avail_file);
+ } else {
+ XBT_DEBUG("\tstate_file=\"\"");
}
- 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);
+ host.power_peak = cluster->power;
+ host.power_scale = 1.0;
+ host.core_amount = cluster->core_amount;
+ host.initial_state = SURF_RESOURCE_ON;
+ host.coord = "";
+ sg_platf_new_host(&host);
+ XBT_DEBUG("</host>");
+
+ XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id,
+ cluster->bw, cluster->lat);
+
+ memset(&link, 0, sizeof(link));
+ link.id = link_id;
+ link.bandwidth = cluster->bw;
+ link.latency = cluster->lat;
+ link.state = SURF_RESOURCE_ON;
+ link.policy = cluster->sharing_policy;
+ sg_platf_new_link(&link);
+
+ surf_parsing_link_up_down_t info =
+ xbt_new0(s_surf_parsing_link_up_down_t, 1);
+ if (link.policy == SURF_LINK_FULLDUPLEX) {
+ char *tmp_link = bprintf("%s_UP", link_id);
+ info->link_up =
+ xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
+ free(tmp_link);
+ tmp_link = bprintf("%s_DOWN", link_id);
+ info->link_down =
+ xbt_lib_get_or_null(link_lib, tmp_link, SURF_LINK_LEVEL);
+ free(tmp_link);
+ } else {
+ info->link_up = xbt_lib_get_or_null(link_lib, link_id, SURF_LINK_LEVEL);
+ info->link_down = info->link_up;
+ }
+ surf_routing_cluster_add_link(host_id, info);
+
+ xbt_free(link_id);
+ xbt_free(host_id);
}
+
+ xbt_dynar_free(&radical_ends);
+ }
+ xbt_dynar_free(&radical_elements);
+
+ // Add a router. It is magically used thanks to the way in which surf_routing_cluster is written,
+ // and it's very useful to connect clusters together
+ XBT_DEBUG(" ");
+ XBT_DEBUG("<router id=\"%s\"/>", cluster->router_id);
+ char *newid = NULL;
+ s_sg_platf_router_cbarg_t router;
+ memset(&router, 0, sizeof(router));
+ router.id = cluster->router_id;
+ router.coord = "";
+ if (!router.id || !strcmp(router.id, ""))
+ router.id = newid =
+ bprintf("%s%s_router%s", cluster->prefix, cluster->id,
+ cluster->suffix);
+ sg_platf_new_router(&router);
+ free(newid);
+
+ //Make the backbone
+ if ((cluster->bb_bw != 0) && (cluster->bb_lat != 0)) {
+ char *link_backbone = bprintf("%s_backbone", cluster->id);
+ XBT_DEBUG("<link\tid=\"%s\" bw=\"%f\" lat=\"%f\"/>", link_backbone,
+ cluster->bb_bw, cluster->bb_lat);
+
+ memset(&link, 0, sizeof(link));
+ link.id = link_backbone;
+ link.bandwidth = cluster->bb_bw;
+ link.latency = cluster->bb_lat;
+ link.state = SURF_RESOURCE_ON;
+ link.policy = cluster->bb_sharing_policy;
+
+ sg_platf_new_link(&link);
+
+ surf_routing_cluster_add_backbone(current_routing, xbt_lib_get_or_null(link_lib, link_backbone, SURF_LINK_LEVEL));
+
+ free(link_backbone);
}
- return new_e_route;
+ XBT_DEBUG("</AS>");
+ sg_platf_new_AS_end();
+ XBT_DEBUG(" ");
+ xbt_dict_free(&patterns); // no op if it were never set
}
-/* ************************************************************************** */
-/* ************************* GENERIC AUX FUNCTIONS ************************** */
+static void routing_parse_postparse(void) {
+ xbt_dict_free(&random_value);
+}
-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, links_id;
-
- 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);
+static void routing_parse_peer(sg_platf_peer_cbarg_t peer)
+{
+ static int AX_ptr = 0;
+ char *host_id = NULL;
+ char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
+
+ 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);
+
+ XBT_DEBUG("<AS id=\"%s\"\trouting=\"Full\">", peer->id);
+ sg_platf_new_AS_begin(peer->id, "Full");
+
+ XBT_DEBUG(" ");
+ host_id = HOST_PEER(peer->id);
+ router_id = ROUTER_PEER(peer->id);
+ link_id_up = LINK_UP_PEER(peer->id);
+ link_id_down = LINK_DOWN_PEER(peer->id);
+
+ link_router = bprintf("%s_link_router", peer->id);
+ link_backbone = bprintf("%s_backbone", peer->id);
+
+ XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\"/>", host_id, peer->power);
+ s_sg_platf_host_cbarg_t host;
+ memset(&host, 0, sizeof(host));
+ host.initial_state = SURF_RESOURCE_ON;
+ host.id = host_id;
+ host.power_peak = peer->power;
+ host.power_scale = 1.0;
+ host.power_trace = peer->availability_trace;
+ host.state_trace = peer->state_trace;
+ host.core_amount = 1;
+ sg_platf_new_host(&host);
+
+
+ XBT_DEBUG("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer->coord);
+ s_sg_platf_router_cbarg_t router;
+ memset(&router, 0, sizeof(router));
+ router.id = router_id;
+ router.coord = peer->coord;
+ sg_platf_new_router(&router);
+
+ XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_up,
+ peer->bw_in, peer->lat);
+ s_sg_platf_link_cbarg_t link;
+ memset(&link, 0, sizeof(link));
+ link.state = SURF_RESOURCE_ON;
+ link.policy = SURF_LINK_SHARED;
+ link.id = link_id_up;
+ link.bandwidth = peer->bw_in;
+ link.latency = peer->lat;
+ sg_platf_new_link(&link);
+
+ // FIXME: dealing with full duplex is not the role of this piece of code, I'd say [Mt]
+ // Instead, it should be created fullduplex, and the models will do what's needed in this case
+ XBT_DEBUG("<link\tid=\"%s\"\tbw=\"%f\"\tlat=\"%f\"/>", link_id_down,
+ peer->bw_out, peer->lat);
+ link.id = link_id_down;
+ sg_platf_new_link(&link);
+
+ XBT_DEBUG(" ");
+
+ // begin here
+ XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", host_id, router_id);
+ XBT_DEBUG("symmetrical=\"NO\">");
+ SURFXML_BUFFER_SET(route_src, host_id);
+ SURFXML_BUFFER_SET(route_dst, router_id);
+ A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
+ SURFXML_START_TAG(route);
+
+ XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_up);
+ SURFXML_BUFFER_SET(link_ctn_id, link_id_up);
+ A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
+ SURFXML_START_TAG(link_ctn);
+ SURFXML_END_TAG(link_ctn);
+
+ XBT_DEBUG("</route>");
+ SURFXML_END_TAG(route);
+
+ //Opposite Route
+ XBT_DEBUG("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, host_id);
+ XBT_DEBUG("symmetrical=\"NO\">");
+ SURFXML_BUFFER_SET(route_src, router_id);
+ SURFXML_BUFFER_SET(route_dst, host_id);
+ A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
+ SURFXML_START_TAG(route);
+
+ XBT_DEBUG("<link_ctn\tid=\"%s\"/>", link_id_down);
+ SURFXML_BUFFER_SET(link_ctn_id, link_id_down);
+ A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_NONE;
+ SURFXML_START_TAG(link_ctn);
+ SURFXML_END_TAG(link_ctn);
+
+ XBT_DEBUG("</route>");
+ SURFXML_END_TAG(route);
+
+ XBT_DEBUG("</AS>");
+ sg_platf_new_AS_end();
+ XBT_DEBUG(" ");
+
+ //xbt_dynar_free(&tab_elements_num);
+ free(host_id);
+ free(router_id);
+ free(link_router);
+ free(link_backbone);
+ free(link_id_up);
+ free(link_id_down);
+ surfxml_bufferstack_pop(1);
+}
+
+static void routing_parse_Srandom(void)
+{
+ double mean, std, min, max, seed;
+ char *random_id = A_surfxml_random_id;
+ char *random_radical = A_surfxml_random_radical;
+ char *rd_name = NULL;
+ char *rd_value;
+ mean = surf_parse_get_double(A_surfxml_random_mean);
+ std = surf_parse_get_double(A_surfxml_random_std_deviation);
+ min = surf_parse_get_double(A_surfxml_random_min);
+ max = surf_parse_get_double(A_surfxml_random_max);
+ seed = surf_parse_get_double(A_surfxml_random_seed);
+
+ double res = 0;
+ int i = 0;
+ random_data_t random = xbt_new0(s_random_data_t, 1);
+ char *tmpbuf;
+
+ xbt_dynar_t radical_elements;
+ unsigned int iter;
+ char *groups;
+ int start, end;
+ xbt_dynar_t radical_ends;
+
+ random->generator = A_surfxml_random_generator;
+ random->seed = seed;
+ random->min = min;
+ random->max = max;
+
+ /* Check user stupidities */
+ if (max < min)
+ THROWF(arg_error, 0, "random->max < random->min (%f < %f)", max, min);
+ if (mean < min)
+ THROWF(arg_error, 0, "random->mean < random->min (%f < %f)", mean, min);
+ if (mean > max)
+ THROWF(arg_error, 0, "random->mean > random->max (%f > %f)", mean, max);
+
+ /* normalize the mean and standard deviation before storing */
+ random->mean = (mean - min) / (max - min);
+ random->std = std / (max - min);
+
+ if (random->mean * (1 - random->mean) < random->std * random->std)
+ THROWF(arg_error, 0, "Invalid mean and standard deviation (%f and %f)",
+ random->mean, random->std);
+
+ XBT_DEBUG
+ ("id = '%s' min = '%f' max = '%f' mean = '%f' std_deviatinon = '%f' generator = '%d' seed = '%ld' radical = '%s'",
+ random_id, random->min, random->max, random->mean, random->std,
+ random->generator, random->seed, random_radical);
+
+ if (!random_value)
+ random_value = xbt_dict_new();
+
+ if (!strcmp(random_radical, "")) {
+ res = random_generate(random);
+ rd_value = bprintf("%f", res);
+ xbt_dict_set(random_value, random_id, rd_value, free);
+ } else {
+ radical_elements = xbt_str_split(random_radical, ",");
+ xbt_dynar_foreach(radical_elements, iter, groups) {
+ radical_ends = xbt_str_split(groups, "-");
+ switch (xbt_dynar_length(radical_ends)) {
+ case 1:
+ xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
+ "Custom Random '%s' already exists !", random_id);
+ res = random_generate(random);
+ tmpbuf =
+ bprintf("%s%d", random_id,
+ atoi(xbt_dynar_getfirst_as(radical_ends, char *)));
+ xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free);
+ xbt_free(tmpbuf);
+ break;
+
+ case 2:
+ start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
+ end = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 1, char *));
+ for (i = start; i <= end; i++) {
+ xbt_assert(!xbt_dict_get_or_null(random_value, random_id),
+ "Custom Random '%s' already exists !", bprintf("%s%d",
+ random_id,
+ i));
+ res = random_generate(random);
+ tmpbuf = bprintf("%s%d", random_id, i);
+ xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free);
+ xbt_free(tmpbuf);
+ }
+ break;
+ default:
+ XBT_INFO("Malformed radical");
+ break;
+ }
+ res = random_generate(random);
+ rd_name = bprintf("%s_router", random_id);
+ rd_value = bprintf("%f", res);
+ xbt_dict_set(random_value, rd_name, rd_value, free);
+
+ xbt_dynar_free(&radical_ends);
}
- else
- THROW1(mismatch_error,0,"Link %s not found", link_name);
+ free(rd_name);
+ xbt_dynar_free(&radical_elements);
}
-
- return new_e_route;
}
-static void generic_free_route(route_t route) {
- if(route) {
- xbt_dynar_free(&(route->link_list));
- xbt_free(route);
- }
-}
+void routing_register_callbacks()
+{
+ sg_platf_host_add_cb(parse_S_host);
+ sg_platf_router_add_cb(parse_S_router);
-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);
- }
-}
+ surfxml_add_callback(STag_surfxml_random_cb_list, &routing_parse_Srandom);
-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;
+ surfxml_add_callback(STag_surfxml_route_cb_list, &routing_parse_S_route);
+ surfxml_add_callback(STag_surfxml_ASroute_cb_list, &routing_parse_S_ASroute);
+ surfxml_add_callback(STag_surfxml_bypassRoute_cb_list,
+ &routing_parse_S_bypassRoute);
+
+ surfxml_add_callback(ETag_surfxml_link_ctn_cb_list, &routing_parse_link_ctn);
+
+ surfxml_add_callback(ETag_surfxml_route_cb_list, &routing_parse_E_route);
+ surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &routing_parse_E_ASroute);
+ surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
+ &routing_parse_E_bypassRoute);
+
+ sg_platf_cluster_add_cb(routing_parse_cluster);
+
+ sg_platf_peer_add_cb(routing_parse_peer);
+ sg_platf_postparse_add_cb(routing_parse_postparse);
+
+#ifdef HAVE_TRACING
+ instr_routing_define_callbacks();
+#endif
}
-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;
+/**
+ * \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_rec(AS_t as) {
xbt_dict_cursor_t cursor = NULL;
char *key;
- element_as = xbt_dict_get_or_null(global_routing->where_network_elements,element);
- 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;
-}
+ AS_t elem;
-static routing_component_t generic_processing_units_exist(routing_component_t rc, char* element) {
- routing_component_t element_as;
- element_as = xbt_dict_get_or_null(global_routing->where_network_elements,element);
- if(element_as==rc) return element_as;
- return generic_as_exist(rc,element_as);
-}
+ xbt_dict_foreach(as->routing_sons, cursor, key, elem) {
+ finalize_rec(elem);
+ }
-static void generic_src_dst_check(routing_component_t rc, const char* src, const char* dst) {
-
- routing_component_t src_as = xbt_dict_get_or_null(global_routing->where_network_elements,src);
- routing_component_t dst_as = xbt_dict_get_or_null(global_routing->where_network_elements,dst);
-
- 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);
+ as->finalize(as);
}
-static void routing_full_parse_Scluster(void)
-{
-
- 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;
- 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;
- static int AX_ptr = 0;
- static int surfxml_bufferstack_size = 2048;
-
- /* allocating memory for the buffer, I think 2kB should be enough */
- surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
-
-// DEBUG4("id='%s' prefix='%s' suffix='%s' radical='%s'",
-// cluster_id,cluster_prefix,cluster_suffix,cluster_radical);
-// DEBUG5("power='%s' bw='%s' lat='%s' bb_bw='%s' bb_lat='%s'",
-// cluster_power,cluster_bw,cluster_lat,cluster_bb_bw,cluster_bb_lat);
-
- DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">",cluster_id);
- SURFXML_BUFFER_SET(AS_id, cluster_id);
- SURFXML_BUFFER_SET(AS_routing, "RuleBased");
- 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);
- link_id = bprintf("%s_link_%d", cluster_id, start);
-
- DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>",host_id,cluster_power);
- SURFXML_BUFFER_RESET();
- 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, "");
- A_surfxml_host_state = A_surfxml_host_state_ON;
- SURFXML_BUFFER_SET(host_state_file, "");
- SURFXML_BUFFER_SET(host_interference_send, "1.0");
- SURFXML_BUFFER_SET(host_interference_recv, "1.0");
- SURFXML_BUFFER_SET(host_interference_send_recv, "1.0");
- SURFXML_BUFFER_SET(host_max_outgoing_rate, "-1.0");
- SURFXML_START_TAG(host);
- SURFXML_END_TAG(host);
-
- DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>",link_id,cluster_bw,cluster_lat);
- SURFXML_BUFFER_RESET();
- 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, "");
- A_surfxml_link_state = A_surfxml_link_state_ON;
- SURFXML_BUFFER_SET(link_state_file, "");
- A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
- 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 *));
- for (i = start; i <= end; i++)
- {
- host_id = bprintf("%s%d%s", cluster_prefix, i, cluster_suffix);
- link_id = bprintf("%s_link_%d", cluster_id, i);
-
- DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>",host_id,cluster_power);
- SURFXML_BUFFER_RESET();
- 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, "");
- A_surfxml_host_state = A_surfxml_host_state_ON;
- SURFXML_BUFFER_SET(host_state_file, "");
- SURFXML_BUFFER_SET(host_interference_send, "1.0");
- SURFXML_BUFFER_SET(host_interference_recv, "1.0");
- SURFXML_BUFFER_SET(host_interference_send_recv, "1.0");
- SURFXML_BUFFER_SET(host_max_outgoing_rate, "-1.0");
- SURFXML_START_TAG(host);
- SURFXML_END_TAG(host);
-
- DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>",link_id,cluster_bw,cluster_lat);
- SURFXML_BUFFER_RESET();
- 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, "");
- A_surfxml_link_state = A_surfxml_link_state_ON;
- SURFXML_BUFFER_SET(link_state_file, "");
- A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
- SURFXML_START_TAG(link);
- SURFXML_END_TAG(link);
- }
- break;
-
- default:
- DEBUG0("Malformed radical");
- }
-
- xbt_dynar_free(&radical_ends);
- }
-
- DEBUG0(" ");
- router_id = bprintf("%srouter%s",cluster_prefix,cluster_suffix);
- link_router = bprintf("%s_link_router",cluster_id);
- link_backbone = bprintf("%s_backbone",cluster_id);
-
- DEBUG1("<router id=\"%s\"\">",router_id);
- SURFXML_BUFFER_RESET();
- SURFXML_BUFFER_SET(router_id, router_id);;
- SURFXML_START_TAG(router);
- SURFXML_END_TAG(router);
-
- DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>",link_router,cluster_bw,cluster_lat);
- SURFXML_BUFFER_RESET();
- 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, "");
- A_surfxml_link_state = A_surfxml_link_state_ON;
- SURFXML_BUFFER_SET(link_state_file, "");
- A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
- SURFXML_START_TAG(link);
- SURFXML_END_TAG(link);
-
- DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>",link_backbone,cluster_bb_bw,cluster_bb_lat);
- SURFXML_BUFFER_RESET();
- 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, "");
- A_surfxml_link_state = A_surfxml_link_state_ON;
- SURFXML_BUFFER_SET(link_state_file, "");
- A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
- 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(" ");
-
- DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\">",route_src_dst,route_src_dst);
- SURFXML_BUFFER_RESET();
- SURFXML_BUFFER_SET(route_src, route_src_dst);
- SURFXML_BUFFER_SET(route_dst, route_src_dst);
- SURFXML_START_TAG(route);
-
- DEBUG1("<link:ctn\tid=\"%s_link_$src1\"/>",cluster_id);
- SURFXML_BUFFER_RESET();
- SURFXML_BUFFER_SET(link_c_ctn_id, bprintf("%s_link_$src1",cluster_id));
- SURFXML_START_TAG(link_c_ctn);
- SURFXML_END_TAG(link_c_ctn);
-
- DEBUG1("<link:ctn\tid=\"%s_backbone\"/>",cluster_id);
- SURFXML_BUFFER_RESET();
- SURFXML_BUFFER_SET(link_c_ctn_id, bprintf("%s_backbone",cluster_id));
- SURFXML_START_TAG(link_c_ctn);
- SURFXML_END_TAG(link_c_ctn);
-
- DEBUG1("<link:ctn\tid=\"%s_link_$dst1\"/>",cluster_id);
- SURFXML_BUFFER_RESET();
- SURFXML_BUFFER_SET(link_c_ctn_id, bprintf("%s_link_$dst1",cluster_id));
- SURFXML_START_TAG(link_c_ctn);
- SURFXML_END_TAG(link_c_ctn);
-
- DEBUG0("</route>");
- SURFXML_END_TAG(route);
-
- DEBUG0("</AS>");
- SURFXML_END_TAG(AS);
- DEBUG0(" ");
-
+/** \brief Frees all memory allocated by the routing module */
+void routing_exit(void) {
+ if (!global_routing)
+ return;
+ finalize_rec(global_routing->root);
+ xbt_free(global_routing);
}
