#include "surf/surf_routing.h"
#include "surf/surfxml_parse_values.h"
+/**
+ * @ingroup SURF_build_api
+ * @brief A library containing all known workstations
+ */
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 COORD_HOST_LEVEL=0; //Coordinates level
int NS3_HOST_LEVEL; //host node for ns3
+/**
+ * @ingroup SURF_build_api
+ * @brief A library containing all known links
+ */
xbt_lib_t link_lib;
int SD_LINK_LEVEL; //Simdag level
int SURF_LINK_LEVEL; //Surf level
static xbt_dict_t random_value = NULL;
+/** @brief Retrieve a routing edge from its name
+ *
+ * Routing edges are either CPU/workstation and routers, whatever
+ */
+sg_routing_edge_t sg_routing_edge_by_name_or_null(const char *name) {
+ sg_routing_edge_t net_elm = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
+ if(!net_elm) net_elm = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
+ return net_elm;
+}
+
/* Global vars */
-routing_global_t global_routing = NULL;
+routing_platf_t routing_platf = NULL;
AS_t current_routing = NULL;
/* global parse functions */
-xbt_dynar_t link_list = NULL; /* temporary store of current list link of a route */
+xbt_dynar_t parsed_link_list = NULL; /* temporary store of current list link of a route */
+extern xbt_dynar_t mount_list;
+
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 void routing_parse_peer(sg_platf_peer_cbarg_t peer); /* peer bypass */
static void routing_parse_Srandom(void); /* random bypass */
-static char *replace_random_parameter(char *chaine);
static void routing_parse_postparse(void);
/* this lines are only for replace use like index in the model table */
{"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)",
+ {"none", "No routing (Unless you know what you are doing, avoid using this mode in combination with a non Constant network model).",
model_none_create, NULL},
{"RuleBased", "Rule-Based routing data (...)",
model_rulebased_create, NULL},
*/
static void parse_S_host(sg_platf_host_cbarg_t host)
{
- network_element_info_t info = NULL;
+ sg_routing_edge_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 = xbt_new0(s_network_element_t, 1);
info->rc_component = current_routing;
info->rc_type = SURF_NETWORK_ELEMENT_HOST;
+ info->name = xbt_strdup(host->id);
+ info->id = current_routing->parse_PU(current_routing, (void *) info);
xbt_lib_set(host_lib, host->id, ROUTING_HOST_LEVEL, (void *) info);
+ XBT_DEBUG("Having set name '%s' id '%d'",host->id,info->id);
+
+ if(mount_list){
+ xbt_lib_set(storage_lib, host->id, ROUTING_STORAGE_HOST_LEVEL, (void *) mount_list);
+ mount_list = NULL;
+ }
+
if (host->coord && strcmp(host->coord, "")) {
+ unsigned int cursor;
+ char*str;
+
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_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
+ /* Pre-parse the host coordinates -- FIXME factorize with routers by overloading the routing->parse_PU function*/
+ xbt_dynar_t ctn_str = xbt_str_split_str(host->coord, " ");
+ xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
+ xbt_dynar_foreach(ctn_str,cursor, str) {
+ double val = atof(str);
+ xbt_dynar_push(ctn,&val);
+ }
xbt_dynar_shrink(ctn, 0);
+ xbt_dynar_free(&ctn_str);
xbt_lib_set(host_lib, host->id, COORD_HOST_LEVEL, (void *) ctn);
+ XBT_DEBUG("Having set host coordinates for '%s'",host->id);
}
}
*/
static void parse_S_router(sg_platf_router_cbarg_t router)
{
- network_element_info_t info = NULL;
+ sg_routing_edge_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 = xbt_new0(s_network_element_t, 1);
info->rc_component = current_routing;
info->rc_type = SURF_NETWORK_ELEMENT_ROUTER;
-
+ info->name = xbt_strdup(router->id);
+ info->id = current_routing->parse_PU(current_routing, (void *) info);
xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
+ XBT_DEBUG("Having set name '%s' id '%d'",router->id,info->id);
+
if (strcmp(router->coord, "")) {
+ unsigned int cursor;
+ char*str;
+
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_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
+ /* Pre-parse the host coordinates */
+ xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
+ xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
+ xbt_dynar_foreach(ctn_str,cursor, str) {
+ double val = atof(str);
+ xbt_dynar_push(ctn,&val);
+ }
xbt_dynar_shrink(ctn, 0);
+ xbt_dynar_free(&ctn_str);
xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
+ XBT_DEBUG("Having set router coordinates for '%s'",router->id);
}
}
*/
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_assert(strlen(src) > 0 || strlen(dst) > 0,
- "Some limits are null in the route between \"%s\" and \"%s\"",
+ "Missing end-points while defining route \"%s\"->\"%s\"",
src, dst);
- link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
+ parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
}
/**
*/
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_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);
+ xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0 || strlen(gw_dst) > 0,
+ "Missing end-points while defining route \"%s\"->\"%s\" (with %s and %s as gateways)",
+ src, dst,gw_src,gw_dst);
+ parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
}
/**
*/
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_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);
+ gw_src = NULL;
+ gw_dst = NULL;
+ xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0 || strlen(gw_dst) > 0,
+ "Missing end-points while defining route \"%s\"->\"%s\" (with %s and %s as gateways)",
+ src, dst,gw_src,gw_dst);
+ parsed_link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
}
+/**
+ * \brief Set the end points for a bypassASroute
+ */
+static void routing_parse_S_bypassASroute(void)
+{
+ src = A_surfxml_bypassASroute_src;
+ dst = A_surfxml_bypassASroute_dst;
+ gw_src = A_surfxml_bypassASroute_gw_src;
+ gw_dst = A_surfxml_bypassASroute_gw_dst;
+ xbt_assert(strlen(src) > 0 || strlen(dst) > 0 || strlen(gw_src) > 0 || strlen(gw_dst) > 0,
+ "Missing end-points while defining route \"%s\"->\"%s\" (with %s and %s as gateways)",
+ src, dst,gw_src,gw_dst);
+ parsed_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 from XML
*/
link_id = bprintf("%s_DOWN", A_surfxml_link_ctn_id);
break;
}
- xbt_dynar_push(link_list, &link_id);
+ xbt_dynar_push(parsed_link_list, &link_id);
}
/**
*/
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;
+ route_t route = xbt_new0(s_route_t, 1);
+ route->link_list = parsed_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;
+ current_routing->parse_route(current_routing, src, dst, route);
+ generic_free_route(route);
+ parsed_link_list = NULL;
src = NULL;
dst = NULL;
}
*/
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);
+ route_t e_route = xbt_new0(s_route_t, 1);
+ e_route->link_list = parsed_link_list;
+
+ if (!strcmp(current_routing->model_desc->name,"RuleBased")) {
+ // DIRTY PERL HACK AHEAD: with the rulebased routing, the {src,dst}_gateway fields
+ // store the provided name instead of the entity directly (model_rulebased_parse_ASroute knows)
+ //
+ // This is because the user will provide something like "^AS_(.*)$" instead of the proper name of a given entity
+ e_route->src_gateway = (sg_routing_edge_t) gw_src;
+ e_route->dst_gateway = (sg_routing_edge_t) gw_dst;
+ } else {
+ e_route->src_gateway = sg_routing_edge_by_name_or_null(gw_src);
+ e_route->dst_gateway = sg_routing_edge_by_name_or_null(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;
+ current_routing->parse_ASroute(current_routing, src, dst, e_route);
+ generic_free_route(e_route);
+ parsed_link_list = NULL;
src = NULL;
dst = NULL;
gw_src = NULL;
*/
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);
+ route_t e_route = xbt_new0(s_route_t, 1);
+ e_route->link_list = parsed_link_list;
+
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;
+
+ current_routing->parse_bypassroute(current_routing, src, dst, e_route);
+ parsed_link_list = NULL;
+ src = NULL;
+ dst = NULL;
+ gw_src = NULL;
+ gw_dst = NULL;
+}
+/**
+ * \brief Store the bypass route by calling the set_bypassroute function of the current routing component
+ */
+static void routing_parse_E_bypassASroute(void)
+{
+ route_t e_route = xbt_new0(s_route_t, 1);
+ e_route->link_list = parsed_link_list;
+ e_route->src_gateway = sg_routing_edge_by_name_or_null(gw_src);
+ e_route->dst_gateway = sg_routing_edge_by_name_or_null(gw_dst);
+ 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);
+ parsed_link_list = NULL;
src = NULL;
dst = NULL;
gw_src = NULL;
routing_model_description_t model = NULL;
int cpt;
+ xbt_assert(!xbt_lib_get_or_null
+ (as_router_lib, AS_id, ROUTING_ASR_LEVEL),
+ "The AS \"%s\" already exists", AS_id);
+
/* search the routing model */
for (cpt = 0; routing_models[cpt].name; cpt++)
if (!strcmp(wanted_routing_type, routing_models[cpt].name))
for (cpt = 0; routing_models[cpt].name; cpt++)
fprintf(stderr, " %s: %s\n", routing_models[cpt].name,
routing_models[cpt].desc);
- xbt_die(NULL);
+ xbt_die("dying");
}
/* make a new routing component */
- new_as = (AS_t) (*(model->create)) ();
+ 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) {
+ sg_routing_edge_t info = NULL;
+ info = xbt_new0(s_network_element_t, 1);
+
+ if (current_routing == NULL && routing_platf->root == NULL) {
/* it is the first one */
new_as->routing_father = NULL;
- global_routing->root = new_as;
-
- } else if (current_routing != NULL && global_routing->root != NULL) {
+ routing_platf->root = new_as;
+ info->id = -1;
+ } else if (current_routing != NULL && routing_platf->root != NULL) {
xbt_assert(!xbt_dict_get_or_null
(current_routing->routing_sons, AS_id),
xbt_dict_set(current_routing->routing_sons, AS_id,
(void *) new_as, NULL);
/* add to the father element list */
- (*(current_routing->parse_AS)) (current_routing, AS_id);
+ info->id = current_routing->parse_AS(current_routing, (void *) info);
} else {
THROWF(arg_error, 0, "All defined components must be belong to a AS");
}
+
+ info->rc_component = new_as->routing_father;
+ info->rc_type = SURF_NETWORK_ELEMENT_AS;
+ info->name = new_as->name;
+
+ xbt_lib_set(as_router_lib, new_as->name, ROUTING_ASR_LEVEL,
+ (void *) info);
+ XBT_DEBUG("Having set name '%s' id '%d'",new_as->name,info->id);
+
/* set the new current component of the tree */
current_routing = new_as;
+ current_routing->net_elem = info;
+
}
/**
if (current_routing == NULL) {
THROWF(arg_error, 0, "Close an AS, but none was under construction");
} else {
- 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->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 void elements_father(const char *src, const char *dst,
+static void elements_father(sg_routing_edge_t src, sg_routing_edge_t dst,
AS_t * res_father,
AS_t * res_src,
AS_t * res_dst)
AS_t father;
/* (1) find the as where the src and dst are located */
- 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);
+ sg_routing_edge_t src_data = src;
+ sg_routing_edge_t dst_data = dst;
src_as = src_data->rc_component;
dst_as = dst_data->rc_component;
+#ifndef NDEBUG
+ char* src_name = src_data->name;
+ char* dst_name = dst_data->name;
+#endif
xbt_assert(src_as && dst_as,
- "Ask for route \"from\"(%s) or \"to\"(%s) no found", src, dst);
+ "Ask for route \"from\"(%s) or \"to\"(%s) no found", src_name, dst_name);
/* (2) find the path to the root routing component */
for (current = src_as; current != NULL; current = current->routing_father) {
*
* \param src the source host name
* \param dst the destination host name
- * \param *e_route the route where the links are stored
+ * \param *route the route where the links are stored. It is either NULL or a ready to use dynar
* \param *latency the latency, if needed
*
* This function is called by "get_route" and "get_latency". It allows to walk
- * recursively through the routing components tree.
+ * recursively through the ASes tree.
*/
-static void _get_route_latency(const char *src, const char *dst,
- xbt_dynar_t * route, double *latency)
+static void _get_route_and_latency(sg_routing_edge_t src, sg_routing_edge_t dst,
+ xbt_dynar_t * links, double *latency)
{
- XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src, dst);
+ s_route_t route;
+ memset(&route,0,sizeof(route));
+
+ XBT_DEBUG("Solve route/latency \"%s\" to \"%s\"", src->name, dst->name);
xbt_assert(src && dst, "bad parameters for \"_get_route_latency\" method");
- AS_t common_father;
- AS_t src_father;
- AS_t dst_father;
+ /* Find how src and dst are interconnected */
+ AS_t common_father, src_father, dst_father;
elements_father(src, dst, &common_father, &src_father, &dst_father);
+ XBT_DEBUG("elements_father: common father '%s' src_father '%s' dst_father '%s'",
+ common_father->name,src_father->name,dst_father->name);
+
+ /* Check whether a direct bypass is defined */
+ route_t e_route_bypass = NULL;
+ if (common_father->get_bypass_route)
+ e_route_bypass = common_father->get_bypass_route(common_father, src, dst, latency);
+
+ /* Common ancestor is kind enough to declare a bypass route from src to dst -- use it and bail out */
+ if (e_route_bypass) {
+ xbt_dynar_merge(links, &e_route_bypass->link_list);
+ generic_free_route(e_route_bypass);
+ return;
+ }
+ /* If src and dst are in the same AS, life is good */
if (src_father == dst_father) { /* SURF_ROUTING_BASE */
+ route.link_list = *links;
+ common_father->get_route_and_latency(common_father, src, dst, &route,latency);
+ return;
+ }
- 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;
- }
- 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);
- }
- if (e_route) {
- xbt_free(e_route->src_gateway);
- xbt_free(e_route->dst_gateway);
- xbt_free(e_route);
- }
-
- } else { /* SURF_ROUTING_RECURSIVE */
+ /* Not in the same AS, no bypass. We'll have to find our path between the ASes recursively*/
- 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);
+ route.link_list = xbt_dynar_new(sizeof(sg_routing_link_t), NULL);
+ // Find the net_card corresponding to father
+ sg_routing_edge_t src_father_net_elm = src_father->net_elem;
+ sg_routing_edge_t dst_father_net_elm = dst_father->net_elem;
- xbt_assert(!latency || !e_route_bypass,
- "Bypass cannot work yet with get_latency");
+ common_father->get_route_and_latency(common_father,
+ src_father_net_elm, dst_father_net_elm,
+ &route, latency);
- route_extended_t e_route_cnt = e_route_bypass
- ? e_route_bypass : common_father->get_route(common_father,
- src_father->name,
- dst_father->name);
+ xbt_assert((route.src_gateway != NULL) && (route.dst_gateway != NULL),
+ "bad gateways for route from \"%s\" to \"%s\"", src->name, dst->name);
- xbt_assert(e_route_cnt, "no route between \"%s\" and \"%s\"",
- src_father->name, dst_father->name);
+ sg_routing_edge_t src_gateway_net_elm = route.src_gateway;
+ sg_routing_edge_t dst_gateway_net_elm = route.dst_gateway;
- xbt_assert((e_route_cnt->src_gateway == NULL) ==
- (e_route_cnt->dst_gateway == NULL),
- "bad gateway for route between \"%s\" and \"%s\"", src, dst);
+ /* If source gateway is not our source, we have to recursively find our way up to this point */
+ if (src != src_gateway_net_elm)
+ _get_route_and_latency(src, src_gateway_net_elm, links, latency);
- if (route) {
- *route = xbt_dynar_new(global_routing->size_of_link, NULL);
- }
- 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);
- }
-
- void *link;
- unsigned int cpt;
-
- if (strcmp(src, e_route_cnt->src_gateway)) {
- double latency_src;
- xbt_dynar_t route_src;
-
- _get_route_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);
- }
- 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 (route) {
- xbt_dynar_foreach(e_route_cnt->generic_route.link_list, cpt, link) {
- xbt_dynar_push(*route, &link);
- }
- }
+ xbt_dynar_merge(links, &route.link_list);
- if (strcmp(e_route_cnt->dst_gateway, dst)) {
- double latency_dst;
- xbt_dynar_t route_dst;
-
- _get_route_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);
- }
- 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;
- }
- }
-
- generic_free_extended_route(e_route_cnt);
- }
-}
-
-/**
- * \brief Generic function for get_route, get_route_no_cleanup, and get_latency
- */
-static void get_route_latency(const char *src, const char *dst,
- xbt_dynar_t * route, double *latency, int cleanup)
-{
- static xbt_dynar_t last_route = NULL;
-
- _get_route_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;
- }
+ /* If dest gateway is not our destination, we have to recursively find our way from this point */
+ if (dst_gateway_net_elm != dst)
+ _get_route_and_latency(dst_gateway_net_elm, dst, links, latency);
}
/**
* \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;
- get_route_latency(src, dst, &route, NULL, 1);
- return route;
-}
-
-/**
- * \brief Generic method: find a route between hosts
- *
- * \param src the source host name
- * \param dst the destination host name
+ * \param src the network_element_t for src host
+ * \param dst the network_element_t for dst host
+ * \param route where to store the list of links.
+ * If *route=NULL, create a short lived dynar. Else, fill the provided dynar
+ * \param latency where to store the latency experienced on the path (or NULL if not interested)
+ * It is the caller responsability to initialize latency to 0 (we add to provided route)
+ * \pre route!=NULL
*
* 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)
+void routing_get_route_and_latency(sg_routing_edge_t src,
+ sg_routing_edge_t dst,
+ xbt_dynar_t * route, double *latency)
{
- xbt_dynar_t route = NULL;
- get_route_latency(src, dst, &route, NULL, 0);
- return route;
+ XBT_DEBUG("routing_get_route_and_latency from %s to %s",src->name,dst->name);
+ if (!*route) {
+ xbt_dynar_reset(routing_platf->last_route);
+ *route = routing_platf->last_route;
+ }
+
+ _get_route_and_latency(src, dst, route, latency);
+
+ xbt_assert(!latency || *latency >= 0.0,
+ "negative latency on route between \"%s\" and \"%s\"", src->name, dst->name);
}
static xbt_dynar_t recursive_get_onelink_routes(AS_t rc)
xbt_dynar_t ret = xbt_dynar_new(sizeof(onelink_t), xbt_free);
//adding my one link routes
- unsigned int cpt;
- void *link;
xbt_dynar_t onelink_mine = rc->get_onelink_routes(rc);
- if (onelink_mine) {
- xbt_dynar_foreach(onelink_mine, cpt, link) {
- xbt_dynar_push(ret, &link);
- }
- }
+ if (onelink_mine)
+ xbt_dynar_merge(&ret,&onelink_mine);
+
//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);
- }
- }
+ if (onelink_child)
+ xbt_dynar_merge(&ret,&onelink_child);
}
return ret;
}
static xbt_dynar_t get_onelink_routes(void)
{
- return recursive_get_onelink_routes(global_routing->root);
+ return recursive_get_onelink_routes(routing_platf->root);
}
e_surf_network_element_type_t routing_get_network_element_type(const char *name)
{
- network_element_info_t rc = NULL;
-
- rc = xbt_lib_get_or_null(host_lib, name, ROUTING_HOST_LEVEL);
- if (rc)
- return rc->rc_type;
-
- rc = xbt_lib_get_or_null(as_router_lib, name, ROUTING_ASR_LEVEL);
+ sg_routing_edge_t rc = sg_routing_edge_by_name_or_null(name);
if (rc)
return rc->rc_type;
*
* Make a global routing structure and set all the parsing functions.
*/
-void routing_model_create(size_t size_of_links, void *loopback)
+void routing_model_create( 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->get_route_latency = get_route_latency;
- global_routing->loopback = loopback;
- global_routing->size_of_link = size_of_links;
+ routing_platf = xbt_new0(s_routing_platf_t, 1);
+ routing_platf->root = NULL;
+ routing_platf->get_onelink_routes = get_onelink_routes;
+ routing_platf->loopback = loopback;
+ routing_platf->last_route = xbt_dynar_new(sizeof(sg_routing_link_t),NULL);
/* no current routing at moment */
current_routing = NULL;
}
/* ************************************************************************** */
/* ************************* GENERIC PARSE FUNCTIONS ************************ */
-
-static void routing_parse_cluster(void)
+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;
- if (strcmp(struct_cluster->availability_trace, "")
- || strcmp(struct_cluster->state_trace, "")) {
- patterns = xbt_dict_new();
- xbt_dict_set(patterns, "id", xbt_strdup(struct_cluster->id), free);
- xbt_dict_set(patterns, "prefix", xbt_strdup(struct_cluster->prefix), free);
- xbt_dict_set(patterns, "suffix", xbt_strdup(struct_cluster->suffix), free);
- }
-
unsigned int iter;
int start, end, i;
xbt_dynar_t radical_elements;
xbt_dynar_t radical_ends;
- XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", struct_cluster->id);
- sg_platf_new_AS_begin(struct_cluster->id, "Cluster");
+ if (strcmp(cluster->availability_trace, "")
+ || strcmp(cluster->state_trace, "")) {
+ patterns = xbt_dict_new_homogeneous(xbt_free_f);
+ xbt_dict_set(patterns, "id", xbt_strdup(cluster->id), NULL);
+ xbt_dict_set(patterns, "prefix", xbt_strdup(cluster->prefix), NULL);
+ xbt_dict_set(patterns, "suffix", xbt_strdup(cluster->suffix), NULL);
+ }
+
+ XBT_DEBUG("<AS id=\"%s\"\trouting=\"Cluster\">", cluster->id);
+ sg_platf_new_AS_begin(cluster->id, "Cluster");
+
+ current_routing->link_up_down_list
+ = xbt_dynar_new(sizeof(s_surf_parsing_link_up_down_t),NULL);
//Make all hosts
- radical_elements = xbt_str_split(struct_cluster->radical, ",");
+ radical_elements = xbt_str_split(cluster->radical, ",");
xbt_dynar_foreach(radical_elements, iter, groups) {
- memset(&host, 0, sizeof(host));
radical_ends = xbt_str_split(groups, "-");
start = surf_parse_get_int(xbt_dynar_get_as(radical_ends, 0, char *));
}
for (i = start; i <= end; i++) {
host_id =
- bprintf("%s%d%s", struct_cluster->prefix, i, struct_cluster->suffix);
- link_id = bprintf("%s_link_%d", struct_cluster->id, i);
+ 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,
- struct_cluster->power);
+ XBT_DEBUG("<host\tid=\"%s\"\tpower=\"%f\">", host_id, cluster->power);
+
+ memset(&host, 0, sizeof(host));
host.id = host_id;
- if (strcmp(struct_cluster->availability_trace, "")) {
- xbt_dict_set(patterns, "radical", bprintf("%d", i), xbt_free);
- char *tmp_availability_file =
- xbt_str_varsubst(struct_cluster->availability_trace, patterns);
- XBT_DEBUG("\tavailability_file=\"%s\"", tmp_availability_file);
- host.power_trace = tmgr_trace_new(tmp_availability_file);
- xbt_free(tmp_availability_file);
+ if (strcmp(cluster->availability_trace, "")) {
+ xbt_dict_set(patterns, "radical", bprintf("%d", i), NULL);
+ 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 (strcmp(struct_cluster->state_trace, "")) {
- char *tmp_state_file =
- xbt_str_varsubst(struct_cluster->state_trace, patterns);
- XBT_DEBUG("\tstate_file=\"%s\"", tmp_state_file);
- host.state_trace = tmgr_trace_new(tmp_state_file);
- xbt_free(tmp_state_file);
+
+ 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=\"\"");
}
- host.power_peak = struct_cluster->power;
+ host.power_peak = cluster->power;
host.power_scale = 1.0;
- host.core_amount = struct_cluster->core_amount;
+ 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,
- struct_cluster->bw, struct_cluster->lat);
+ cluster->bw, cluster->lat);
memset(&link, 0, sizeof(link));
link.id = link_id;
- link.bandwidth = struct_cluster->bw;
- link.latency = struct_cluster->lat;
+ link.bandwidth = cluster->bw;
+ link.latency = cluster->lat;
link.state = SURF_RESOURCE_ON;
-
- switch (struct_cluster->sharing_policy) {
- case A_surfxml_cluster_sharing_policy_SHARED:
- link.policy = SURF_LINK_SHARED;
- break;
- case A_surfxml_cluster_sharing_policy_FULLDUPLEX:
- link.policy = SURF_LINK_FULLDUPLEX;
- break;
- case A_surfxml_cluster_sharing_policy_FATPIPE:
- link.policy = SURF_LINK_FATPIPE;
- break;
- default:
- surf_parse_error(bprintf
- ("Invalid cluster sharing policy for cluster %s",
- struct_cluster->id));
- break;
- }
+ 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);
+ s_surf_parsing_link_up_down_t info;
+
if (link.policy == SURF_LINK_FULLDUPLEX) {
char *tmp_link = bprintf("%s_UP", link_id);
- info->link_up =
+ 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 =
+ 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;
+ 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_dynar_push(current_routing->link_up_down_list,&info);
xbt_free(link_id);
xbt_free(host_id);
}
}
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
+ // 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\"/>", struct_cluster->router_id);
- s_sg_platf_router_cbarg_t router;
+ 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 = struct_cluster->router_id;
+ router.id = cluster->router_id;
router.coord = "";
if (!router.id || !strcmp(router.id, ""))
router.id = newid =
- bprintf("%s%s_router%s", struct_cluster->prefix, struct_cluster->id,
- struct_cluster->suffix);
+ bprintf("%s%s_router%s", cluster->prefix, cluster->id,
+ cluster->suffix);
sg_platf_new_router(&router);
free(newid);
//Make the backbone
- if ((struct_cluster->bb_bw != 0) && (struct_cluster->bb_lat != 0)) {
- char *link_backbone = bprintf("%s_backbone", struct_cluster->id);
+ 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,
- struct_cluster->bb_bw, struct_cluster->bb_lat);
+ cluster->bb_bw, cluster->bb_lat);
memset(&link, 0, sizeof(link));
link.id = link_backbone;
- link.bandwidth = struct_cluster->bb_bw;
- link.latency = struct_cluster->bb_lat;
+ link.bandwidth = cluster->bb_bw;
+ link.latency = cluster->bb_lat;
link.state = SURF_RESOURCE_ON;
-
- switch (struct_cluster->bb_sharing_policy) {
- case A_surfxml_cluster_bb_sharing_policy_FATPIPE:
- link.policy = SURF_LINK_FATPIPE;
- break;
- case A_surfxml_cluster_bb_sharing_policy_SHARED:
- link.policy = SURF_LINK_SHARED;
- break;
- default:
- surf_parse_error(bprintf
- ("Invalid bb sharing policy in cluster %s",
- struct_cluster->id));
- break;
- }
+ link.policy = cluster->bb_sharing_policy;
sg_platf_new_link(&link);
host.power_trace = peer->availability_trace;
host.state_trace = peer->state_trace;
host.core_amount = 1;
+ host.coord = peer->coord;
sg_platf_new_host(&host);
int start, end;
xbt_dynar_t radical_ends;
- random->generator = A_surfxml_random_generator;
+ switch (A_surfxml_random_generator) {
+ case AU_surfxml_random_generator:
+ case A_surfxml_random_generator_NONE:
+ random->generator = NONE;
+ break;
+ case A_surfxml_random_generator_DRAND48:
+ random->generator = DRAND48;
+ break;
+ case A_surfxml_random_generator_RAND:
+ random->generator = RAND;
+ break;
+ case A_surfxml_random_generator_RNGSTREAM:
+ random->generator = RNGSTREAM;
+ break;
+ default:
+ surf_parse_error("Invalid random generator");
+ break;
+ }
random->seed = seed;
random->min = min;
random->max = max;
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);
+ (int)random->generator, random->seed, random_radical);
- if (xbt_dict_size(random_value) == 0)
- random_value = xbt_dict_new();
+ if (!random_value)
+ random_value = xbt_dict_new_homogeneous(free);
if (!strcmp(random_radical, "")) {
res = random_generate(random);
rd_value = bprintf("%f", res);
- xbt_dict_set(random_value, random_id, rd_value, free);
+ xbt_dict_set(random_value, random_id, rd_value, NULL);
} else {
radical_elements = xbt_str_split(random_radical, ",");
xbt_dynar_foreach(radical_elements, iter, groups) {
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_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
xbt_free(tmpbuf);
break;
i));
res = random_generate(random);
tmpbuf = bprintf("%s%d", random_id, i);
- xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), free);
+ xbt_dict_set(random_value, tmpbuf, bprintf("%f", res), NULL);
xbt_free(tmpbuf);
}
break;
default:
- XBT_INFO("Malformed radical");
+ XBT_CRITICAL("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_dict_set(random_value, rd_name, rd_value, NULL);
xbt_dynar_free(&radical_ends);
}
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(STag_surfxml_bypassASroute_cb_list,
+ &routing_parse_S_bypassASroute);
surfxml_add_callback(ETag_surfxml_link_ctn_cb_list, &routing_parse_link_ctn);
surfxml_add_callback(ETag_surfxml_ASroute_cb_list, &routing_parse_E_ASroute);
surfxml_add_callback(ETag_surfxml_bypassRoute_cb_list,
&routing_parse_E_bypassRoute);
+ surfxml_add_callback(ETag_surfxml_bypassASroute_cb_list,
+ &routing_parse_E_bypassASroute);
- surfxml_add_callback(STag_surfxml_cluster_cb_list, &routing_parse_cluster);
+ sg_platf_cluster_add_cb(routing_parse_cluster);
sg_platf_peer_add_cb(routing_parse_peer);
sg_platf_postparse_add_cb(routing_parse_postparse);
+ /* we care about the ASes while parsing the platf. Incredible, isnt it? */
+ sg_platf_AS_end_add_cb(routing_AS_end);
+ sg_platf_AS_begin_add_cb(routing_AS_begin);
+
#ifdef HAVE_TRACING
instr_routing_define_callbacks();
#endif
/** \brief Frees all memory allocated by the routing module */
void routing_exit(void) {
- if (!global_routing)
+ if (!routing_platf)
return;
- finalize_rec(global_routing->root);
- xbt_free(global_routing);
+ xbt_dynar_free(&routing_platf->last_route);
+ finalize_rec(routing_platf->root);
+ xbt_free(routing_platf);
}