+static int Host_at(lua_State *L)
+{
+ int index = luaL_checkinteger(L,1);
+ m_host_t host = MSG_get_host_table()[index-1]; // lua indexing start by 1 (lua[1] <=> C[0])
+ lua_newtable (L); /* create a table, put the userdata on top of it */
+ m_host_t *lua_host = (m_host_t*)lua_newuserdata(L,sizeof(m_host_t));
+ *lua_host = host;
+ luaL_getmetatable(L,HOST_MODULE_NAME);
+ lua_setmetatable(L,-2);
+ lua_setfield (L, -2, "__simgrid_host"); /* put the userdata as field of the table */
+ return 1;
+
+}
+
+/*****************************************************************************************
+ * BYPASS XML SURF Methods *
+ ***************************
+ ***************************
+******************************************************************************************/
+#include "surf/surfxml_parse.h" /* to override surf_parse and bypass the parser */
+typedef struct t_host_attr
+{
+ //platform attribute
+ const char* id;
+ double power;
+ //deployment attribute
+ const char* function;
+ int args_nb;
+ const char ** args_list;
+}host_attr,*p_host_attr;
+
+typedef struct t_link_attr
+{
+ const char* id;
+ double bandwidth;
+ double latency;
+}link_attr,*p_link_attr;
+
+typedef struct t_route_attr
+{
+ const char *src_id;
+ const char *dest_id;
+ int links_nb;
+ const char **links_id;
+
+}route_attr,*p_route_attr;
+
+
+static int host_index = 0;
+static int link_index = 0;
+static int route_index = 0;
+
+static int max_host_number = 0;
+static int max_link_number = 0;
+static int max_route_number = 0;
+
+static p_host_attr* host_list;
+static p_link_attr* link_list;
+static p_route_attr* route_list;
+
+static int Host_set_number(lua_State *L)
+{
+ max_host_number = luaL_checkint(L,1);
+ host_list = malloc(sizeof(host_attr)*max_host_number);
+ return 0;
+}
+
+static int Link_set_number(lua_State *L)
+{
+ max_link_number = luaL_checkint(L,1);
+ link_list = malloc(sizeof(link_attr)*max_link_number);
+ return 0;
+}
+
+static int Route_set_number(lua_State *L)
+{
+ max_route_number = luaL_checkint(L,1);
+ route_list = malloc(sizeof(route_attr)*max_link_number);
+ return 0;
+}
+
+static int Host_new(lua_State *L) //(id,power)
+{
+ p_host_attr host = malloc(sizeof(host_attr));
+ host->id = luaL_checkstring(L,1);
+ host->power = luaL_checknumber(L,2);
+ if(host_index >= max_host_number)
+ ERROR1("max host number:%d reached !!!",max_host_number);
+ host_list[host_index] = host;
+ host_list[host_index]->function = NULL;
+ host_index++;
+ return 0;
+}
+
+static int Link_new(lua_State *L) // (id,bandwidth,latency)
+{
+
+ p_link_attr link = malloc(sizeof(link_attr));
+ link->id = luaL_checkstring(L,1);
+ link->bandwidth = luaL_checknumber(L,2);
+ link->latency = luaL_checknumber(L,3);
+ if(link_index >= max_link_number)
+ ERROR1("max link number: %d reached !!!",max_link_number);
+ link_list[link_index] = link;
+ link_index++;
+ return 0;
+}
+
+static int Route_new(lua_State *L) // (src_id,dest_id,links_number,link_table)
+{
+ int i=0;
+ p_route_attr route = malloc(sizeof(route_attr));
+ route->src_id = luaL_checkstring(L,1);
+ route->dest_id = luaL_checkstring(L,2);
+ route->links_nb = luaL_checkint(L,3);
+ route->links_id = malloc(sizeof(char*)*route->links_nb);
+ lua_pushnil(L);
+ while (lua_next(L,4) != 0) {
+ if(i >= route->links_nb)
+ ERROR1("Number of links should be less than %d",route->links_nb+1);
+ route->links_id[i] = lua_tostring(L, -1);
+ DEBUG2("index = %f , Link_id = %s \n",lua_tonumber(L, -2),lua_tostring(L, -1));
+ i++;
+ lua_pop(L, 1);
+ }
+ lua_pop(L, 1);
+
+ //add route to platform's route list
+ if(route_index >= max_route_number)
+ ERROR1("max route number: %d reached !!!",max_route_number);
+ route_list[route_index] = route;
+ route_index++;
+ return 0;
+}
+
+static int Host_set_function(lua_State *L) //(host,function,nb_args,list_args)
+{
+ // look for the index of host in host_list
+ const char *host_id = luaL_checkstring(L,1);
+ int i;
+ for(i=0;i< host_index;i++)
+ {
+ if(host_list[i]->id == host_id)
+ {
+ host_list[i]->function = luaL_checkstring(L,2);
+ host_list[i]->args_nb = luaL_checkint(L,3);
+ host_list[i]->args_list = malloc(sizeof(char*)*host_list[i]->args_nb);
+ // fill the args list
+ lua_pushnil(L);
+ int j = 0;
+ while (lua_next(L,4) != 0) {
+ if(j >= host_list[i]->args_nb)
+ ERROR1("Number of args should be less than %d",host_list[i]->args_nb+1);
+ host_list[i]->args_list[j] = lua_tostring(L, -1);
+ DEBUG2("index = %f , Arg_id = %s \n",lua_tonumber(L, -2),lua_tostring(L, -1));
+ j++;
+ lua_pop(L, 1);
+ }
+ lua_pop(L, 1);
+ return 0;
+ }
+ }
+ ERROR1("Host : %s Not Fount !!",host_id);
+ return 1;
+}
+
+
