-/* Copyright (c) 2005 Henri Casanova. All rights reserved. */
+/* Copyright (c) 2007, 2008, 2009, 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(surf_network_gtnets, surf,
"Logging specific to the SURF network GTNetS module");
-extern routing_t used_routing;
-double sg_gtnets_jitter=0.0;
-int sg_gtnets_jitter_seed=10;
+extern routing_global_t global_routing;
+
+double sg_gtnets_jitter = 0.0;
+int sg_gtnets_jitter_seed = 10;
static void link_new(char *name, double bw, double lat, xbt_dict_t props)
{
static int link_count = -1;
network_link_GTNETS_t gtnets_link;
+ network_link_GTNETS_t gtnets_link_friend;
+ int tmp_idsrc = -1;
+ int tmp_iddst = -1;
+ char *name_friend;
if (xbt_dict_get_or_null(surf_network_model->resource_set, name)) {
return;
}
- link_count++;
+ DEBUG1("Scanning link name %s", name);
+ sscanf(name, "%d_%d", &tmp_idsrc, &tmp_iddst);
+ DEBUG2("Link name split into %d and %d", tmp_idsrc, tmp_iddst);
- if (gtnets_add_link(link_count, bw, lat)) {
- xbt_assert0(0, "Cannot create GTNetS link");
- }
+ xbt_assert0((tmp_idsrc != -1)
+ && (tmp_idsrc != -1),
+ "You need to respect fullduplex convention x_y for xml link id.");
+
+ name_friend = (char *) calloc(strlen(name), sizeof(char));
+ sprintf(name_friend, "%d_%d", tmp_iddst, tmp_idsrc);
- /* KF: Insert entry in the dictionary */
gtnets_link = xbt_new0(s_network_link_GTNETS_t, 1);
gtnets_link->generic_resource.name = name;
gtnets_link->generic_resource.properties = props;
gtnets_link->bw_current = bw;
gtnets_link->lat_current = lat;
- gtnets_link->id = link_count;
-#ifdef HAVE_TRACING
- TRACE_surf_net_link_new (name, bw, lat);
-#endif
+
+ if ((gtnets_link_friend =
+ xbt_dict_get_or_null(surf_network_model->resource_set,
+ name_friend))) {
+ gtnets_link->id = gtnets_link_friend->id;
+ } else {
+ link_count++;
+
+ DEBUG4("Adding new link, linkid %d, name %s, latency %g, bandwidth %g",
+ link_count, name, lat, bw);
+ if (gtnets_add_link(link_count, bw, lat)) {
+ xbt_assert0(0, "Cannot create GTNetS link");
+ }
+ gtnets_link->id = link_count;
+ }
xbt_dict_set(surf_network_model->resource_set, name, gtnets_link,
surf_resource_free);
+#ifdef HAVE_TRACING
+ TRACE_surf_link_declaration(gtnets_link, name, bw, lat);
+#endif
}
-static void route_new(int src_id, int dst_id, xbt_dynar_t links,int nb_link)
+static void route_new(int src_id, int dst_id, xbt_dynar_t links,
+ int nb_link)
{
network_link_GTNETS_t link;
unsigned int cursor;
- int i=0;
+ int i = 0;
int *gtnets_links;
XBT_IN4("(src_id=%d, dst_id=%d, links=%p, nb_link=%d)",
state_trace = tmgr_trace_new(A_surfxml_link_state_file);
if (bw_trace)
- INFO0("The GTNetS network model doesn't support bandwidth state traces");
+ INFO0
+ ("The GTNetS network model doesn't support bandwidth state traces");
if (lat_trace)
INFO0("The GTNetS network model doesn't support latency state traces");
if (state_trace)
/* Create the gtnets topology based on routing strategy */
static void create_gtnets_topology()
{
- xbt_dict_cursor_t cursor = NULL;
- char *key, *data;
-
- xbt_dict_t onelink_routes = used_routing->get_onelink_routes();
- xbt_assert0(onelink_routes, "Error onelink_routes was not initialized");
-
- DEBUG0("Starting topology generation");
-
- xbt_dict_foreach(onelink_routes, cursor, key, data){
- s_onelink_t link = (s_onelink_t) data;
- DEBUG3("Link (#%d), src (#%d), dst (#%d)", ((network_link_GTNETS_t)(link->link_ptr))->id , link->src_id, link->dst_id);
- DEBUG0("Calling one link route");
- if(used_routing->is_router(link->src_id)){
- gtnets_add_router(link->src_id);
- }
- if(used_routing->is_router(link->dst_id)){
- gtnets_add_router(link->dst_id);
- }
- route_onehop_new(link->src_id, link->dst_id, (network_link_GTNETS_t)(link->link_ptr));
- }
-
- xbt_dict_free(&route_table);
- if (XBT_LOG_ISENABLED(surf_network_gtnets, xbt_log_priority_debug)) {
- gtnets_print_topology();
- }
+// xbt_dict_cursor_t cursor = NULL;
+// char *key, *data;
+// xbt_dict_t onelink_routes = global_routing->get_onelink_routes();
+// xbt_assert0(onelink_routes, "Error onelink_routes was not initialized");
+//
+// DEBUG0("Starting topology generation");
+// À refaire plus tard. Il faut prendre la liste des hôtes/routeurs (dans routing)
+// À partir de cette liste, on les numérote.
+// Ensuite, on peut utiliser les id pour refaire les appels GTNets qui suivent.
+
+// xbt_dict_foreach(onelink_routes, cursor, key, data){
+// s_onelink_t link = (s_onelink_t) data;
+//
+// DEBUG3("Link (#%d), src (#%s), dst (#%s)", ((network_link_GTNETS_t)(link->link_ptr))->id , link->src, link->dst);
+// DEBUG0("Calling one link route");
+// if(global_routing->is_router(link->src)){
+// gtnets_add_router(link->src_id);
+// }
+// if(global_routing->is_router(link->dst)){
+// gtnets_add_router(link->dst_id);
+// }
+// route_onehop_new(link->src_id, link->dst_id, (network_link_GTNETS_t)(link->link_ptr));
+// }
+//
+// xbt_dict_free(&route_table);
+// if (XBT_LOG_ISENABLED(surf_network_gtnets, xbt_log_priority_debug)) {
+// gtnets_print_topology();
+// }
}
/* Main XML parsing */
{
/* Figuring out the network links */
surfxml_add_callback(STag_surfxml_link_cb_list, &parse_link_init);
- surfxml_add_callback(ETag_surfxml_platform_cb_list, &create_gtnets_topology);
+ surfxml_add_callback(ETag_surfxml_platform_cb_list,
+ &create_gtnets_topology);
}
static int resource_used(void *resource_id)
{
- xbt_assert0(0, "The resource_used feature is not implemented in GTNets model");
+ xbt_assert0(0,
+ "The resource_used feature is not implemented in GTNets model");
}
static int action_unref(surf_action_t action)
action->refcount--;
if (!action->refcount) {
xbt_swag_remove(action, action->state_set);
+#ifdef HAVE_TRACING
+ if (action->category)
+ xbt_free(action->category);
+#endif
free(action);
return 1;
}
static void action_cancel(surf_action_t action)
{
- xbt_assert0(0,"Cannot cancel GTNetS flow");
+ xbt_assert0(0, "Cannot cancel GTNetS flow");
return;
}
static void action_recycle(surf_action_t action)
{
- xbt_assert0(0,"Cannot recycle GTNetS flow");
+ xbt_assert0(0, "Cannot recycle GTNetS flow");
return;
}
static double share_resources(double now)
{
- xbt_swag_t running_actions = surf_network_model->states.running_action_set;
+ xbt_swag_t running_actions =
+ surf_network_model->states.running_action_set;
//get the first relevant value from the running_actions list
if (!xbt_swag_size(running_actions))
DEBUG0("Calling gtnets_get_time_to_next_flow_completion");
time_to_next_flow_completion = gtnets_get_time_to_next_flow_completion();
- DEBUG1("gtnets_get_time_to_next_flow_completion received %lg", time_to_next_flow_completion);
+ DEBUG1("gtnets_get_time_to_next_flow_completion received %lg",
+ time_to_next_flow_completion);
return time_to_next_flow_completion;
}
static void update_actions_state(double now, double delta)
{
surf_action_network_GTNETS_t action = NULL;
- xbt_swag_t running_actions = surf_network_model->states.running_action_set;
+ xbt_swag_t running_actions =
+ surf_network_model->states.running_action_set;
/* If there are no renning flows, just return */
if (time_to_next_flow_completion < 0.0) {
xbt_swag_foreach(action, running_actions) {
DEBUG2("Action (%p) remains old value: %f", action,
action->generic_action.remains);
- double remain = gtnets_get_flow_rx(action);
+ double sent = gtnets_get_flow_rx(action);
#ifdef HAVE_TRACING
- // tracing surf action
- TRACE_surf_update_action_state (action, action->generic_action.data,
- (action->generic_action.remains-remain)/delta, "BandwidthUsed", now-delta, delta);
-
- // tracing resource utilization
- int src = TRACE_surf_gtnets_get_src (action);
- int dst = TRACE_surf_gtnets_get_dst (action);
- if (src != -1 && dst != -1){
- xbt_dynar_t route = used_routing->get_route(src, dst);
- network_link_GTNETS_t link;
- unsigned int i;
- xbt_dynar_foreach(route, i, link) {
-
- TRACE_surf_update_action_state_net_resource (link->generic_resource.name,
- action->generic_action.data, (action->generic_action.remains-remain)/delta, now-delta, delta);
- }
+ double trace_sent = sent;
+ if (trace_sent == 0) {
+ //if sent is equals to 0, means that gtnets sent all the bytes
+ trace_sent = action->generic_action.cost;
}
+ // tracing resource utilization
+// COMMENTED BY DAVID
+// int src = TRACE_surf_gtnets_get_src (action);
+// int dst = TRACE_surf_gtnets_get_dst (action);
+// if (src != -1 && dst != -1){
+// xbt_dynar_t route = used_routing->get_route(src, dst);
+// network_link_GTNETS_t link;
+// unsigned int i;
+// xbt_dynar_foreach(route, i, link) {
+// TRACE_surf_link_set_utilization (link->generic_resource.name,
+// action->generic_action.data, trace_sent/delta, now-delta, delta);
+// }
+// }
#endif
- DEBUG1("Remain value returned by GTNetS : %f", remain);
+ DEBUG1("Sent value returned by GTNetS : %f", sent);
//need to trust this remain value
- if (remain == 0) {
+ if (sent == 0) {
action->generic_action.remains = 0;
} else {
- action->generic_action.remains = action->generic_action.cost - remain;
+ action->generic_action.remains =
+ action->generic_action.cost - sent;
}
DEBUG2("Action (%p) remains new value: %f", action,
action->generic_action.remains);
action->generic_action.finish = now + time_to_next_flow_completion;
#ifdef HAVE_TRACING
- TRACE_surf_gtnets_destroy (action);
+ TRACE_surf_gtnets_destroy(action);
#endif
action_state_set((surf_action_t) action, SURF_ACTION_DONE);
DEBUG1("----> Action (%p) just terminated", action);
}
/* Max durations are not supported */
-static surf_action_t communicate(const char *src_name, const char *dst_name,
- int src, int dst, double size, double rate)
+static surf_action_t communicate(const char *src_name,
+ const char *dst_name, double size,
+ double rate)
{
+ int src, dst;
+
+ // Utiliser le dictionnaire définit dans create_gtnets_topology pour initialiser correctement src et dst
+ src = dst = -1;
surf_action_network_GTNETS_t action = NULL;
- xbt_assert0((src >= 0 && dst >= 0), "Either src or dst have invalid id (id<0)");
+ xbt_assert0((src >= 0
+ && dst >= 0), "Either src or dst have invalid id (id<0)");
- DEBUG4("Setting flow src %d \"%s\", dst %d \"%s\"", src, src_name, dst, dst_name);
+ DEBUG4("Setting flow src %d \"%s\", dst %d \"%s\"", src, src_name, dst,
+ dst_name);
- xbt_dynar_t links = used_routing->get_route(src, dst);
+ xbt_dynar_t links = global_routing->get_route(src_name, dst_name);
route_new(src, dst, links, xbt_dynar_length(links));
- action = surf_action_new(sizeof(s_surf_action_network_GTNETS_t), size, surf_network_model, 0);
+ action =
+ surf_action_new(sizeof(s_surf_action_network_GTNETS_t), size,
+ surf_network_model, 0);
/* Add a flow to the GTNets Simulation, associated to this action */
if (gtnets_create_flow(src, dst, size, (void *) action) < 0) {
dst_name);
}
#ifdef HAVE_TRACING
- TRACE_surf_gtnets_communicate (action, src, dst);
+ TRACE_surf_gtnets_communicate(action, src, dst);
#endif
return (surf_action_t) action;
static void finalize(void)
{
- xbt_dict_free(&surf_network_model->resource_set);
-
- surf_model_exit(surf_network_model);
-
- free(surf_network_model);
- surf_network_model = NULL;
-
gtnets_finalize();
}
surf_network_model->model_private->resource_used = resource_used;
surf_network_model->model_private->share_resources = share_resources;
surf_network_model->model_private->update_actions_state =
- update_actions_state;
+ update_actions_state;
surf_network_model->model_private->update_resource_state =
- update_resource_state;
+ update_resource_state;
surf_network_model->model_private->finalize = finalize;
surf_network_model->suspend = action_suspend;
surf_network_model->extension.network.communicate = communicate;
/* Added the initialization for GTNetS interface */
- if (gtnets_initialize()) {
+ if (gtnets_initialize(sg_tcp_gamma)) {
xbt_assert0(0, "Impossible to initialize GTNetS interface");
}
routing_model_create(sizeof(network_link_GTNETS_t), NULL);
}
+#ifdef HAVE_LATENCY_BOUND_TRACKING
+static int get_latency_limited(surf_action_t action)
+{
+ return 0;
+}
+#endif
+
#ifdef HAVE_GTNETS
void surf_network_model_init_GTNETS(const char *filename)
{
define_callbacks(filename);
xbt_dynar_push(model_list, &surf_network_model);
- if(sg_gtnets_jitter > 0.0){
- gtnets_set_jitter(sg_gtnets_jitter);
- gtnets_set_jitter_seed(sg_gtnets_jitter_seed);
+#ifdef HAVE_LATENCY_BOUND_TRACKING
+ surf_network_model->get_latency_limited = get_latency_limited;
+#endif
+
+ if (sg_gtnets_jitter > 0.0) {
+ gtnets_set_jitter(sg_gtnets_jitter);
+ gtnets_set_jitter_seed(sg_gtnets_jitter_seed);
}
update_model_description(surf_network_model_description,
