X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/798f93fb78cd01e4a0bc50b22bf09abd58f48992..cac608fff2de795994fa9ca839bca1e1a436dc6a:/src/surf/network_constant.c

diff --git a/src/surf/network_constant.c b/src/surf/network_constant.c
index 52a00dd78a..4d2fd380e3 100644
--- a/src/surf/network_constant.c
+++ b/src/surf/network_constant.c
@@ -1,400 +1,233 @@
-/* 	$Id$	 */
-
-/* Copyright (c) 2004 Arnaud Legrand. All rights reserved.                  */
+/* Copyright (c) 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. */
 
 #include "surf_private.h"
-#include "network_common.h"
+#include "surf/random_mgr.h"
 #include "xbt/dict.h"
 #include "xbt/str.h"
 #include "xbt/log.h"
 
-#define CONSTANT_VALUE 1.0
-typedef struct network_card_Constant {
-  char *name;
-  int id;
-} s_network_card_Constant_t, *network_card_Constant_t;
-
 typedef struct surf_action_network_Constant {
   s_surf_action_t generic_action;
   double latency;
-  double lat_current;
+  double lat_init;
   int suspended;
-  network_card_Constant_t src;
-  network_card_Constant_t dst;
 } s_surf_action_network_Constant_t, *surf_action_network_Constant_t;
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_network);
+static random_data_t random_latency = NULL;
+static int host_number_int = 0;
 
-static int card_number = 0;
-static int host_number = 0;
-
-static void network_card_free(void *nw_card)
-{
-  free(((network_card_Constant_t) nw_card)->name);
-  free(nw_card);
-}
-
-static int network_card_new(const char *card_name)
-{
-  network_card_Constant_t card =
-      xbt_dict_get_or_null(network_card_set, card_name);
-
-  if (!card) {
-    card = xbt_new0(s_network_card_Constant_t, 1);
-    card->name = xbt_strdup(card_name);
-    card->id = card_number++;
-    xbt_dict_set(network_card_set, card_name, card, network_card_free);
-  }
-  return card->id;
-}
-
-static int src_id = -1;
-static int dst_id = -1;
-
-static void parse_route_set_endpoints(void)
-{
-  src_id = network_card_new(A_surfxml_route_src);
-  dst_id = network_card_new(A_surfxml_route_dst);
-  route_action = A_surfxml_route_action;
-  route_link_list = xbt_dynar_new(sizeof(char *), &free_string);
-}
-
-static void parse_route_set_route(void)
-{
-  char *name;
-  if (src_id != -1 && dst_id != -1) {
-    name = bprintf("%x#%x",src_id, dst_id);
-    manage_route(route_table, name, route_action, 0);
-    free(name);    
-  }
-}
-
-static void count_hosts(void)
-{
-   host_number++;
-}
-
-static void define_callbacks(const char *file)
-{
-  /* Figuring out the network links */
-  surfxml_add_callback(STag_surfxml_host_cb_list, &count_hosts);
-  surfxml_add_callback(STag_surfxml_prop_cb_list, &parse_properties);
-  surfxml_add_callback(STag_surfxml_route_cb_list, &parse_route_set_endpoints);
-  surfxml_add_callback(ETag_surfxml_link_c_ctn_cb_list, &parse_route_elem);
-  surfxml_add_callback(ETag_surfxml_route_cb_list, &parse_route_set_route);
-  surfxml_add_callback(STag_surfxml_platform_cb_list, &init_data);
-  surfxml_add_callback(STag_surfxml_set_cb_list, &parse_sets);
-  surfxml_add_callback(STag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_endpoints);
-  surfxml_add_callback(ETag_surfxml_route_c_multi_cb_list, &parse_route_multi_set_route);
-  surfxml_add_callback(STag_surfxml_foreach_cb_list, &parse_foreach);
-  surfxml_add_callback(STag_surfxml_cluster_cb_list, &parse_cluster);
-  surfxml_add_callback(STag_surfxml_trace_cb_list, &parse_trace_init);
-  surfxml_add_callback(ETag_surfxml_trace_cb_list, &parse_trace_finalize);
-  surfxml_add_callback(STag_surfxml_trace_c_connect_cb_list, &parse_trace_c_connect);
+static void netcste_count_hosts(sg_platf_host_cbarg_t h) {
+  host_number_int++;
 }
 
-static void *name_service(const char *name)
-{
-  network_card_Constant_t card = xbt_dict_get_or_null(network_card_set, name);
-  return card;
+static void netcste_define_callbacks(void) {
+  sg_platf_host_add_cb(netcste_count_hosts);
 }
 
-static const char *get_resource_name(void *resource_id)
-{
-  return ((network_card_Constant_t) resource_id)->name;
-}
-
-static int resource_used(void *resource_id)
+static int netcste_resource_used(void *resource_id)
 {
   return 0;
 }
 
-static int action_free(surf_action_t action)
+static int netcste_action_unref(surf_action_t action)
 {
-  action->using--;
-  if (!action->using) {
+  action->refcount--;
+  if (!action->refcount) {
     xbt_swag_remove(action, action->state_set);
-    free(action);
+    surf_action_free(&action);
     return 1;
   }
   return 0;
 }
 
-static void action_use(surf_action_t action)
-{
-  action->using++;
-}
-
-static void action_cancel(surf_action_t action)
-{
-  return;
-}
-
-static void action_recycle(surf_action_t action)
-{
-  return;
-}
-
-static void action_change_state(surf_action_t action,
-				e_surf_action_state_t state)
+static void netcste_action_cancel(surf_action_t action)
 {
-  surf_action_change_state(action, state);
   return;
 }
 
-static double share_resources(double now)
+static double netcste_share_resources(double now)
 {
   surf_action_network_Constant_t action = NULL;
   xbt_swag_t running_actions =
-      surf_network_model->common_public->states.running_action_set;
+      surf_network_model->states.running_action_set;
   double min = -1.0;
 
   xbt_swag_foreach(action, running_actions) {
     if (action->latency > 0) {
       if (min < 0)
-	min = action->latency;
+        min = action->latency;
       else if (action->latency < min)
-	min = action->latency;
+        min = action->latency;
     }
   }
 
   return min;
 }
 
-static void update_actions_state(double now, double delta)
+static void netcste_update_actions_state(double now, double delta)
 {
   surf_action_network_Constant_t action = NULL;
   surf_action_network_Constant_t next_action = NULL;
   xbt_swag_t running_actions =
-      surf_network_model->common_public->states.running_action_set;
+      surf_network_model->states.running_action_set;
 
   xbt_swag_foreach_safe(action, next_action, running_actions) {
     if (action->latency > 0) {
       if (action->latency > delta) {
-	double_update(&(action->latency), delta);
+        double_update(&(action->latency), delta);
       } else {
-	action->latency = 0.0;
+        action->latency = 0.0;
       }
     }
     double_update(&(action->generic_action.remains),
-		  action->generic_action.cost * delta/ CONSTANT_VALUE);
+                  action->generic_action.cost * delta / action->lat_init);
     if (action->generic_action.max_duration != NO_MAX_DURATION)
       double_update(&(action->generic_action.max_duration), delta);
 
     if (action->generic_action.remains <= 0) {
       action->generic_action.finish = surf_get_clock();
-      action_change_state((surf_action_t) action, SURF_ACTION_DONE);
-    } else if ((action->generic_action.max_duration != NO_MAX_DURATION) &&
-	       (action->generic_action.max_duration <= 0)) {
+      surf_network_model->action_state_set((surf_action_t) action,
+                                           SURF_ACTION_DONE);
+    } else if ((action->generic_action.max_duration != NO_MAX_DURATION)
+               && (action->generic_action.max_duration <= 0)) {
       action->generic_action.finish = surf_get_clock();
-      action_change_state((surf_action_t) action, SURF_ACTION_DONE);
-    } 
+      surf_network_model->action_state_set((surf_action_t) action,
+                                           SURF_ACTION_DONE);
+    }
   }
-
-  return;
 }
 
-static void update_resource_state(void *id,
-				  tmgr_trace_event_t event_type,
-				  double value)
+static void netcste_update_resource_state(void *id,
+                                          tmgr_trace_event_t event_type,
+                                          double value, double time)
 {
   DIE_IMPOSSIBLE;
 }
 
-static surf_action_t communicate(void *src, void *dst, double size,
-				 double rate)
+static surf_action_t netcste_communicate(const char *src_name,
+                                         const char *dst_name, double size,
+                                         double rate)
 {
   surf_action_network_Constant_t action = NULL;
-  network_card_Constant_t card_src = src;
-  network_card_Constant_t card_dst = dst;
 
-  XBT_IN4("(%s,%s,%g,%g)", card_src->name, card_dst->name, size, rate);
+  XBT_IN("(%s,%s,%g,%g)", src_name, dst_name, size, rate);
 
-  action = xbt_new0(s_surf_action_network_Constant_t, 1);
+  action =
+      surf_action_new(sizeof(s_surf_action_network_Constant_t), size,
+                      surf_network_model, 0);
 
-  action->generic_action.using = 1;
-  action->generic_action.cost = size;
-  action->generic_action.remains = size;
-  action->generic_action.max_duration = NO_MAX_DURATION;
-  action->generic_action.start = surf_get_clock();
-  action->generic_action.finish = -1.0;
-  action->generic_action.model_type =
-      (surf_model_t) surf_network_model;
   action->suspended = 0;
-  action->generic_action.state_set =
-      surf_network_model->common_public->states.running_action_set;
 
-  xbt_swag_insert(action, action->generic_action.state_set);
+  action->latency = sg_latency_factor;          //random_generate(random_latency);
+  action->lat_init = action->latency;
 
-  action->latency = CONSTANT_VALUE;
-  action->lat_current = action->latency;
+  if (action->latency <= 0.0) {
+    action->generic_action.state_set =
+        surf_network_model->states.done_action_set;
+    xbt_swag_insert(action, action->generic_action.state_set);
+  }
 
-  XBT_OUT;
+  XBT_OUT();
 
   return (surf_action_t) action;
 }
 
-/* returns an array of link_Constant_t */
-static const void **get_route(void *src, void *dst)
-{
-  xbt_assert0(0, "Calling this function does not make any sense");
-  return (const void **) NULL;
-}
-
-static int get_route_size(void *src, void *dst)
+#ifdef HAVE_TRACING
+static void netcste_action_set_category(surf_action_t action, const char *category)
 {
-  xbt_assert0(0, "Calling this function does not make any sense");
-  return 0;
-}
-
-static const char *get_link_name(const void *link)
-{
-  DIE_IMPOSSIBLE;
+  //ignore completely the categories in constant model, they are not traced
 }
+#endif
 
-static double get_link_bandwidth(const void *link)
+static double netcste_get_link_bandwidth(const void *link)
 {
   DIE_IMPOSSIBLE;
 }
 
-static double get_link_latency(const void *link)
+static double netcste_get_link_latency(const void *link)
 {
   DIE_IMPOSSIBLE;
 }
 
-static xbt_dict_t get_properties(void *link)
+static int link_shared(const void *link)
 {
   DIE_IMPOSSIBLE;
 }
 
-static void action_suspend(surf_action_t action)
+static void netcste_action_suspend(surf_action_t action)
 {
   ((surf_action_network_Constant_t) action)->suspended = 1;
 }
 
-static void action_resume(surf_action_t action)
+static void netcste_action_resume(surf_action_t action)
 {
   if (((surf_action_network_Constant_t) action)->suspended)
     ((surf_action_network_Constant_t) action)->suspended = 0;
 }
 
-static int action_is_suspended(surf_action_t action)
+static int netcste_action_is_suspended(surf_action_t action)
 {
   return ((surf_action_network_Constant_t) action)->suspended;
 }
 
-static void action_set_max_duration(surf_action_t action, double duration)
+static void netcste_finalize(void)
 {
-  action->max_duration = duration;
-}
-
-static void finalize(void)
-{
-  xbt_dict_free(&network_card_set);
-  xbt_dict_free(&link_set);
-  xbt_swag_free(surf_network_model->common_public->states.
-		ready_action_set);
-  xbt_swag_free(surf_network_model->common_public->states.
-		running_action_set);
-  xbt_swag_free(surf_network_model->common_public->states.
-		failed_action_set);
-  xbt_swag_free(surf_network_model->common_public->states.
-		done_action_set);
-  free(surf_network_model->common_public);
-  free(surf_network_model->common_private);
-  free(surf_network_model->extension_public);
-
-  free(surf_network_model);
+  surf_model_exit(surf_network_model);
   surf_network_model = NULL;
-
-  card_number = 0;
 }
 
-static void surf_network_model_init_internal(void)
-{
-  s_surf_action_t action;
-
-  surf_network_model = xbt_new0(s_surf_network_model_t, 1);
-
-  surf_network_model->common_private =
-      xbt_new0(s_surf_model_private_t, 1);
-  surf_network_model->common_public =
-      xbt_new0(s_surf_model_public_t, 1);
-  surf_network_model->extension_public =
-      xbt_new0(s_surf_network_model_extension_public_t, 1);
-
-  surf_network_model->common_public->states.ready_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
-  surf_network_model->common_public->states.running_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
-  surf_network_model->common_public->states.failed_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
-  surf_network_model->common_public->states.done_action_set =
-      xbt_swag_new(xbt_swag_offset(action, state_hookup));
-
-  surf_network_model->common_public->name_service = name_service;
-  surf_network_model->common_public->get_resource_name =
-      get_resource_name;
-  surf_network_model->common_public->action_get_state =
-      surf_action_get_state;
-  surf_network_model->common_public->action_get_start_time =
-      surf_action_get_start_time;
-  surf_network_model->common_public->action_get_finish_time =
-      surf_action_get_finish_time;
-  surf_network_model->common_public->action_free = action_free;
-  surf_network_model->common_public->action_use = action_use;
-  surf_network_model->common_public->action_cancel = action_cancel;
-  surf_network_model->common_public->action_recycle = action_recycle;
-  surf_network_model->common_public->action_change_state =
-      action_change_state;
-  surf_network_model->common_public->action_set_data =
-      surf_action_set_data;
-  surf_network_model->common_public->name = "network";
-
-  surf_network_model->common_private->resource_used = resource_used;
-  surf_network_model->common_private->share_resources = share_resources;
-  surf_network_model->common_private->update_actions_state =
-      update_actions_state;
-  surf_network_model->common_private->update_resource_state =
-      update_resource_state;
-  surf_network_model->common_private->finalize = finalize;
-
-  surf_network_model->common_public->suspend = action_suspend;
-  surf_network_model->common_public->resume = action_resume;
-  surf_network_model->common_public->is_suspended = action_is_suspended;
-  surf_cpu_model->common_public->set_max_duration =
-      action_set_max_duration;
-
-  surf_network_model->extension_public->communicate = communicate;
-  surf_network_model->extension_public->get_route = get_route;
-  surf_network_model->extension_public->get_route_size = get_route_size;
-  surf_network_model->extension_public->get_link_name = get_link_name;
-  surf_network_model->extension_public->get_link_bandwidth =
-      get_link_bandwidth;
-  surf_network_model->extension_public->get_link_latency =
-      get_link_latency;
-
-  surf_network_model->common_public->get_properties =  get_properties;
-
-  link_set = xbt_dict_new();
-  network_card_set = xbt_dict_new();
 
-}
 
-void surf_network_model_init_Constant(const char *filename)
+void surf_network_model_init_Constant()
 {
-
+  xbt_assert(surf_network_model == NULL);
   if (surf_network_model)
     return;
-  surf_network_model_init_internal();
-  define_callbacks(filename);
+  surf_network_model = surf_model_init();
+
+  surf_network_model->name = "constant time network";
+  surf_network_model->action_unref = netcste_action_unref;
+  surf_network_model->action_cancel = netcste_action_cancel;
+  surf_network_model->action_recycle = net_action_recycle;
+  surf_network_model->get_remains = net_action_get_remains;
+#ifdef HAVE_LATENCY_BOUND_TRACKING
+  surf_network_model->get_latency_limited = net_get_link_latency_limited;
+#endif
+
+  surf_network_model->model_private->resource_used = netcste_resource_used;
+  surf_network_model->model_private->share_resources =
+      netcste_share_resources;
+  surf_network_model->model_private->update_actions_state =
+      netcste_update_actions_state;
+  surf_network_model->model_private->update_resource_state =
+      netcste_update_resource_state;
+  surf_network_model->model_private->finalize = netcste_finalize;
+
+  surf_network_model->suspend = netcste_action_suspend;
+  surf_network_model->resume = netcste_action_resume;
+  surf_network_model->is_suspended = netcste_action_is_suspended;
+  surf_cpu_model->set_max_duration = net_action_set_max_duration;
+
+  surf_network_model->extension.network.communicate = netcste_communicate;
+  surf_network_model->extension.network.get_link_bandwidth =
+      netcste_get_link_bandwidth;
+  surf_network_model->extension.network.get_link_latency =
+      netcste_get_link_latency;
+  surf_network_model->extension.network.link_shared = link_shared;
+#ifdef HAVE_TRACING
+  surf_network_model->set_category = netcste_action_set_category;
+#endif
+
+  if (!random_latency)
+    random_latency = random_new(RAND, 100, 0.0, 1.0, .125, .034);
+  netcste_define_callbacks();
   xbt_dynar_push(model_list, &surf_network_model);
 
-  update_model_description(surf_network_model_description,
-			      surf_network_model_description_size,
-			      "Constant",
-			      (surf_model_t) surf_network_model);
+  xbt_cfg_set_string(_surf_cfg_set, "routing", "none");
+  routing_model_create(sizeof(double), NULL);
 }