Logo AND Algorithmique Numérique Distribuée

Public GIT Repository
Forgot to update after recent removal of FATPIPE in simgrid.dtd
[simgrid.git] / src / surf / surf_routing.c
index aab84b8..e459995 100644 (file)
@@ -62,6 +62,7 @@ static void model_none_unload(void);    /* none routing model */
 static void model_none_end(void);       /* none routing model */
 
 static void routing_parse_Scluster(void);  /*cluster bypass */
+static void routing_parse_Speer(void);         /*peer bypass */
 
 static void routing_parse_Sconfig(void);        /*config Tag */
 static void routing_parse_Econfig(void);        /*config Tag */
@@ -103,6 +104,8 @@ struct s_model_type routing_models[] = { {"Full",
 #ifdef HAVE_PCRE_LIB
 {"RuleBased", "Rule-Based routing data (...)", model_rulebased_create,
  model_rulebased_load, model_rulebased_unload, model_rulebased_end},
+{"Vivaldi", "Vivaldi routing", model_rulebased_create,
+  model_rulebased_load, model_rulebased_unload, model_rulebased_end},
 #endif
 {NULL, NULL, NULL, NULL, NULL, NULL}
 };
@@ -157,10 +160,54 @@ static const char *dst = NULL;        /* temporary store the destination name of
 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 */
+
+static xbt_dict_t coordinates = NULL;
+
+
+static double eculidean_dist_comp(int index, xbt_dynar_t src, xbt_dynar_t dst)
+{
+       double src_coord, dst_coord;
+
+       src_coord = atof(xbt_dynar_get_as(src, index, char *));
+       dst_coord = atof(xbt_dynar_get_as(dst, index, char *));
+
+       return (src_coord-dst_coord)*(src_coord-dst_coord);
+
+}
+
+static double vivaldi_get_link_latency (routing_component_t rc,
+                                                                                                                                                               const char *src, const char *dst)
+{
+  double euclidean_dist;
+  xbt_dynar_t src_ctn, dst_ctn;
+  src_ctn = xbt_dict_get(coordinates, src);
+  dst_ctn = xbt_dict_get(coordinates, dst);
+
+  euclidean_dist = sqrt (eculidean_dist_comp(0,src_ctn,dst_ctn)+eculidean_dist_comp(1,src_ctn,dst_ctn))
+                                                               +fabs(atof(xbt_dynar_get_as(src_ctn, 2, char *)))+fabs(atof(xbt_dynar_get_as(dst_ctn, 2, char *)));
+
+  xbt_assert2(euclidean_dist>=0, "Euclidean Dist is less than 0\"%s\" and \"%.2f\"", src, euclidean_dist);
+
+  return euclidean_dist;
+
+  /*
+  x = atof(xbt_dynar_get_as(src_ctn, 0, char *))-atof(xbt_dynar_get_as(dst_ctn, 0, char *));
+  y = atof(xbt_dynar_get_as(src_ctn, 1, char *));
+  h = atof(xbt_dynar_get_as(ctn, 2, char *));
+  sqrt((c1->x - c2->x) * (c1->x - c2->x) + (c1->y - c2->y) * (c1->y - c2->y)) + fabs(c1->h) + fabs(c2->h);
+
+         if (strcmp(coord,"")) {
+       xbt_dynar_t ctn = xbt_str_split_str(coord, " ");
+       xbt_dynar_shrink(ctn,0);
+       xbt_dict_set (coordinates,host_id,ctn,NULL);
+  }
+       */
+}
+
 /**
  * \brief Add a "host" to the network element list
  */
-static void parse_S_host(char *host_id)
+static void parse_S_host(char *host_id, char* coord)
 {
   network_element_info_t info = NULL;
   if (current_routing->hierarchy == SURF_ROUTING_NULL)
@@ -178,6 +225,12 @@ static void parse_S_host(char *host_id)
   info->rc_type = SURF_NETWORK_ELEMENT_HOST;
   xbt_dict_set(global_routing->where_network_elements, host_id,
                (void *) info, NULL);
+
+  if (strcmp(coord,"")) {
+       xbt_dynar_t ctn = xbt_str_split_str(coord, " ");
+       xbt_dynar_shrink(ctn,0);
+       xbt_dict_set (coordinates,host_id,ctn,NULL);
+  }
 }
 
 /*
@@ -185,15 +238,15 @@ static void parse_S_host(char *host_id)
  */
 static void parse_S_host_XML(void)
 {
-  parse_S_host(A_surfxml_host_id);
+       parse_S_host(A_surfxml_host_id, A_surfxml_host_coordinates);
 }
 
 /*
  * \brief Add a host to the network element list from lua script
  */
-static void parse_S_host_lua(char *host_id)
+static void parse_S_host_lua(char *host_id, char *coord)
 {
-  parse_S_host(host_id);
+  parse_S_host(host_id, coord);
 }
 
 
@@ -224,6 +277,11 @@ static void parse_S_router(void)
 #ifdef HAVE_TRACING
   TRACE_surf_host_declaration(A_surfxml_router_id, 0);
 #endif
+  if (strcmp(A_surfxml_router_coordinates,"")) {
+       xbt_dynar_t ctn = xbt_str_split_str(A_surfxml_router_coordinates, " ");
+       xbt_dynar_shrink(ctn,0);
+       xbt_dict_set (coordinates,A_surfxml_router_id,ctn,NULL);
+  }
 }
 
 /**
@@ -427,6 +485,10 @@ static void parse_S_AS(char *AS_id, char *AS_routing)
   new_routing->name = xbt_strdup(AS_id);
   new_routing->routing_sons = xbt_dict_new();
 
+  /* Hack for Vivaldi */
+  if(!strcmp(model->name,"Vivaldi"))
+       new_routing->get_latency = vivaldi_get_link_latency;
+
   if (current_routing == NULL && global_routing->root == NULL) {
 
     /* it is the first one */
@@ -724,7 +786,6 @@ static route_extended_t _get_route(const char *src, const char *dst)
 
 static double _get_latency(const char *src, const char *dst)
 {
-
   double latency, latency_src, latency_dst = 0.0;
 
   DEBUG2("Solve route  \"%s\" to \"%s\"", src, dst);
@@ -777,56 +838,28 @@ static double _get_latency(const char *src, const char *dst)
                 "bad gateway for route between \"%s\" and \"%s\"", src,
                 dst);            
     latency =
-          (*(common_father->get_latency)) (common_father, src_father->name,
-                                         dst_father->name);
+          (*(common_father->get_latency)) (common_father, e_route_cnt->src_gateway,
+                                         e_route_cnt->src_gateway);
     xbt_assert2(latency>=0, "no route between \"%s\" and \"%s\"",
                 src_father->name, dst_father->name);
     
 
     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);
-      }
-      */
+
       latency_src = _get_latency(src, e_route_cnt->src_gateway);
       xbt_assert2(latency_src>=0, "no route between \"%s\" and \"%s\"", src,
                   e_route_cnt->src_gateway);
       latency += latency_src;
     }
-    
-    /*
-    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);
-      }
-      */
+    
       latency_dst = _get_latency(e_route_cnt->dst_gateway, dst);
       xbt_assert2(latency_dst>=0, "no route between \"%s\" and \"%s\"",
                   e_route_cnt->dst_gateway, dst);
       latency += latency_dst;
     }
        
-       /*
-    e_route->src_gateway = xbt_strdup(e_route_cnt->src_gateway);
-    e_route->dst_gateway = xbt_strdup(e_route_cnt->dst_gateway);
-
-    generic_free_extended_route(e_route_src);
-    generic_free_extended_route(e_route_cnt);
-    generic_free_extended_route(e_route_dst);
-    */   
   }
 
   xbt_dynar_free(&elem_father_list);
@@ -871,9 +904,11 @@ static xbt_dynar_t get_route(const char *src, const char *dst)
   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;
 }
 
@@ -952,6 +987,7 @@ static void finalize(void)
   _finalize(global_routing->root);
   /* delete "where" dict */
   xbt_dict_free(&(global_routing->where_network_elements));
+  xbt_dict_free(&(coordinates));
   /* delete last_route */
   xbt_dynar_free(&(global_routing->last_route));
   /* delete global routing structure */
@@ -1024,6 +1060,8 @@ void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_
   /* no current routing at moment */
   current_routing = NULL;
 
+  coordinates = xbt_dict_new();
+
   /* parse generic elements */
   surfxml_add_callback(STag_surfxml_host_cb_list, &parse_S_host_XML);
   surfxml_add_callback(STag_surfxml_router_cb_list, &parse_S_router);
@@ -1051,6 +1089,9 @@ void routing_model_create(size_t size_of_links, void *loopback, double_f_cpvoid_
   surfxml_add_callback(STag_surfxml_cluster_cb_list,
                        &routing_parse_Scluster);
 
+  surfxml_add_callback(STag_surfxml_peer_cb_list,
+                         &routing_parse_Speer);
+
   surfxml_add_callback(STag_surfxml_config_cb_list,
                                           &routing_parse_Sconfig);
   surfxml_add_callback(ETag_surfxml_config_cb_list,
@@ -2332,8 +2373,8 @@ static void model_rulebased_set_ASroute(routing_component_t rc,
   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->src_gateway);
+//  xbt_free(route->dst_gateway);
   xbt_free(route);
 }
 
@@ -2610,7 +2651,8 @@ static void *model_rulebased_create(void)
   new_component->generic_routing.set_bypassroute = model_rulebased_set_bypassroute;
   new_component->generic_routing.get_onelink_routes = rulebased_get_onelink_routes;
   new_component->generic_routing.get_route = rulebased_get_route;
-  new_component->generic_routing.get_bypass_route = generic_get_bypassroute;       //rulebased_get_bypass_route;
+  new_component->generic_routing.get_latency = generic_get_link_latency;
+  new_component->generic_routing.get_bypass_route = rulebased_get_bypass_route;
   new_component->generic_routing.finalize = rulebased_finalize;
   /* initialization of internal structures */
   new_component->dict_processing_units = xbt_dict_new();
@@ -3375,9 +3417,6 @@ static void routing_parse_Scluster(void)
   SURFXML_START_TAG(link);
   SURFXML_END_TAG(link);
 
-  free(link_backbone);
-  free(link_router);
-
   DEBUG0(" ");
 
 #ifdef HAVE_PCRE_LIB
@@ -3434,6 +3473,7 @@ static void routing_parse_Scluster(void)
   free(pcre_link_dst);
   free(pcre_link_backbone);
   free(pcre_link_src);
+  free(route_src_dst);
 #else
   for (i = 0; i <= xbt_dynar_length(tab_elements_num); i++) {
     for (j = 0; j <= xbt_dynar_length(tab_elements_num); j++) {
@@ -3505,11 +3545,12 @@ static void routing_parse_Scluster(void)
     }
   }
   xbt_dynar_free(&tab_elements_num);
+  free(router_id);
 
-  free(route_src_dst);
 #endif
 
-  free(router_id);
+  free(link_backbone);
+  free(link_router);
 
   DEBUG0("</AS>");
   SURFXML_END_TAG(AS);
@@ -3518,6 +3559,152 @@ static void routing_parse_Scluster(void)
   surfxml_bufferstack_pop(1);
 }
 
+static void routing_parse_Speer(void)
+{
+  static int AX_ptr = 0;
+
+  char *peer_id = A_surfxml_peer_id;
+  char *peer_power = A_surfxml_peer_power;
+  char *peer_bw_in = A_surfxml_peer_bw_in;
+  char *peer_bw_out = A_surfxml_peer_bw_out;
+  char *peer_lat = A_surfxml_peer_lat;
+  char *peer_coord = A_surfxml_peer_coordinates;
+
+  char *host_id = NULL;
+  char *router_id, *link_router, *link_backbone, *link_id_up, *link_id_down;
+
+#ifdef HAVE_PCRE_LIB
+
+#endif
+
+  int peer_sharing_policy = AX_surfxml_peer_sharing_policy;
+
+#ifndef HAVE_PCRE_LIB
+  //xbt_dynar_t tab_elements_num = xbt_dynar_new(sizeof(int), NULL);
+  //char *route_src, *route_dst;
+  //int j;
+#endif
+
+  static unsigned int surfxml_buffer_stack_stack_ptr = 1;
+  static unsigned int surfxml_buffer_stack_stack[1024];
+
+  surfxml_buffer_stack_stack[0] = 0;
+
+  surfxml_bufferstack_push(1);
+
+  SURFXML_BUFFER_SET(AS_id, peer_id);
+#ifdef HAVE_PCRE_LIB
+  SURFXML_BUFFER_SET(AS_routing, "RuleBased");
+  DEBUG1("<AS id=\"%s\"\trouting=\"RuleBased\">", peer_id);
+#else
+  SURFXML_BUFFER_SET(AS_routing, "Full");
+  DEBUG1("<AS id=\"%s\"\trouting=\"Full\">", peer_id);
+#endif
+  SURFXML_START_TAG(AS);
+
+  DEBUG0(" ");
+  host_id = bprintf("peer_%s", peer_id);
+  router_id = bprintf("router_%s", peer_id);
+  link_id_up = bprintf("link_%s_up", peer_id);
+  link_id_down = bprintf("link_%s_down", peer_id);
+
+  link_router = bprintf("%s_link_router", peer_id);
+  link_backbone = bprintf("%s_backbone", peer_id);
+
+  DEBUG2("<host\tid=\"%s\"\tpower=\"%s\"/>", host_id, peer_power);
+  A_surfxml_host_state = A_surfxml_host_state_ON;
+  SURFXML_BUFFER_SET(host_id, host_id);
+  SURFXML_BUFFER_SET(host_power, peer_power);
+  SURFXML_BUFFER_SET(host_availability, "1.0");
+  SURFXML_BUFFER_SET(host_availability_file, "");
+  SURFXML_BUFFER_SET(host_state_file, "");
+  SURFXML_START_TAG(host);
+  SURFXML_END_TAG(host);
+
+  DEBUG2("<router id=\"%s\"\tcoordinates=\"%s\"/>", router_id, peer_coord);
+  SURFXML_BUFFER_SET(router_id, router_id);
+  SURFXML_BUFFER_SET(router_coordinates, peer_coord);
+  SURFXML_START_TAG(router);
+  SURFXML_END_TAG(router);
+
+  DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_up, peer_bw_in, peer_lat);
+  A_surfxml_link_state = A_surfxml_link_state_ON;
+  A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
+  if(peer_sharing_policy == A_surfxml_peer_sharing_policy_FULLDUPLEX)
+{A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
+  SURFXML_BUFFER_SET(link_id, link_id_up);
+  SURFXML_BUFFER_SET(link_bandwidth, peer_bw_in);
+  SURFXML_BUFFER_SET(link_latency, peer_lat);
+  SURFXML_BUFFER_SET(link_bandwidth_file, "");
+  SURFXML_BUFFER_SET(link_latency_file, "");
+  SURFXML_BUFFER_SET(link_state_file, "");
+  SURFXML_START_TAG(link);
+  SURFXML_END_TAG(link);
+
+  DEBUG3("<link\tid=\"%s\"\tbw=\"%s\"\tlat=\"%s\"/>", link_id_down, peer_bw_out, peer_lat);
+  A_surfxml_link_state = A_surfxml_link_state_ON;
+  A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
+  if(peer_sharing_policy == A_surfxml_cluster_sharing_policy_FULLDUPLEX)
+{A_surfxml_link_sharing_policy =  A_surfxml_link_sharing_policy_FULLDUPLEX;}
+  SURFXML_BUFFER_SET(link_id, link_id_down);
+  SURFXML_BUFFER_SET(link_bandwidth, peer_bw_out);
+  SURFXML_BUFFER_SET(link_latency, peer_lat);
+  SURFXML_BUFFER_SET(link_bandwidth_file, "");
+  SURFXML_BUFFER_SET(link_latency_file, "");
+  SURFXML_BUFFER_SET(link_state_file, "");
+  SURFXML_START_TAG(link);
+  SURFXML_END_TAG(link);
+
+  DEBUG0(" ");
+
+  // begin here
+  DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", peer_id, router_id);
+  DEBUG0("symmetrical=\"NO\">");
+  SURFXML_BUFFER_SET(route_src, peer_id);
+  SURFXML_BUFFER_SET(route_dst, router_id);
+  A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
+  SURFXML_START_TAG(route);
+
+  DEBUG1("<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;
+  if(peer_sharing_policy == A_surfxml_peer_sharing_policy_FULLDUPLEX)
+  {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_UP;}
+  SURFXML_START_TAG(link_ctn);
+  SURFXML_END_TAG(link_ctn);
+
+  DEBUG0("</route>");
+  SURFXML_END_TAG(route);
+
+  //Opposite Route
+  DEBUG2("<route\tsrc=\"%s\"\tdst=\"%s\"", router_id, peer_id);
+  DEBUG0("symmetrical=\"NO\">");
+  SURFXML_BUFFER_SET(route_src, router_id);
+  SURFXML_BUFFER_SET(route_dst, peer_id);
+  A_surfxml_route_symmetrical = A_surfxml_route_symmetrical_NO;
+  SURFXML_START_TAG(route);
+
+  DEBUG1("<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;
+  if(peer_sharing_policy == A_surfxml_peer_sharing_policy_FULLDUPLEX)
+  {A_surfxml_link_ctn_direction = A_surfxml_link_ctn_direction_DOWN;}
+  SURFXML_START_TAG(link_ctn);
+  SURFXML_END_TAG(link_ctn);
+
+  DEBUG0("</route>");
+  SURFXML_END_TAG(route);
+
+  DEBUG0("</AS>");
+  SURFXML_END_TAG(AS);
+  DEBUG0(" ");
+
+  //xbt_dynar_free(&tab_elements_num);
+
+  surfxml_bufferstack_pop(1);
+}
+
+
 /*
  * New methods to init the routing model component from the lua script
  */
@@ -3544,7 +3731,7 @@ void routing_AS_end(const char *AS_id)
 
 void routing_add_host(const char *host_id)
 {
-  parse_S_host_lua((char *) host_id);
+  parse_S_host_lua((char *) host_id, (char*)""); // FIXME propagate coordinate system to lua
 }
 
 /*