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move e_surf_link_sharing_policy_t structure to surf.h and fix the way to create link...
[simgrid.git] / src / bindings / lua / simgrid_lua.c
index 787b70b..79f09ec 100644 (file)
 #include <lauxlib.h>
 #include <lualib.h>
 #include "msg/msg.h"
+#include "simdag/simdag.h"
+#include <gras.h>
 #include "xbt.h"
+#include "lua_stub_generator.h"
 
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(lua,bindings,"Lua Bindings");
 
@@ -19,12 +22,10 @@ XBT_LOG_NEW_DEFAULT_SUBCATEGORY(lua,bindings,"Lua Bindings");
 // Surf ( bypass XML )
 #define LINK_MODULE_NAME "simgrid.Link"
 #define ROUTE_MODULE_NAME "simgrid.Route"
-#undef BYPASS_MODEL
 
 /* ********************************************************************************* */
 /*                            helper functions                                       */
 /* ********************************************************************************* */
-
 static void stackDump (const char *msg, lua_State *L) {
   char buff[2048];
   char *p=buff;
@@ -114,7 +115,6 @@ static int Task_new(lua_State* L) {
          const char *name=luaL_checkstring(L,1);
          int comp_size = luaL_checkint(L,2);
          int msg_size = luaL_checkint(L,3);
-         INFO0("Creating task");
          m_task_t msg_task = MSG_task_create(name,comp_size,msg_size,NULL);
          lua_newtable (L); /* create a table, put the userdata on top of it */
          m_task_t *lua_task = (m_task_t*)lua_newuserdata(L,sizeof(m_task_t));
@@ -309,8 +309,14 @@ static int Host_at(lua_State *L)
 typedef struct t_host_attr
 {
        //platform attribute
+       // Mandatory attributes
        const char* id;
-       double power;
+       double power_peak;
+       // Optional attributes
+       double power_scale;
+       const char *power_trace;
+       int state_initial;
+       const char *state_trace;
        //deployment attribute
        const char* function;
        xbt_dynar_t args_list;
@@ -318,9 +324,16 @@ typedef struct t_host_attr
 
 typedef struct t_link_attr
 {
+       //mandatory attributes
        const char* id;
        double bandwidth;
        double latency;
+       // Optional attributes
+       const char* bandwidth_trace;
+       const char* latency_trace;
+       const char*     state_trace;
+       int state_initial;
+       int policy;
 }link_attr,*p_link_attr;
 
 typedef struct t_route_attr
@@ -336,38 +349,273 @@ static xbt_dynar_t host_list_d ;
 static xbt_dynar_t link_list_d ;
 static xbt_dynar_t route_list_d ;
 
-static int Host_new(lua_State *L) //(id,power)
+
+/**
+ * create host resource via CPU model [for MSG]
+ */
+
+static void create_host(const char* id,double power_peak,double power_sc,
+                                               const char* power_tr,int state_init,
+                                               const char* state_tr)
 {
-       // if it's the first time ,instanciate the dynar
+
+       double power_scale = 1.0;
+       tmgr_trace_t power_trace = NULL;
+       e_surf_resource_state_t state_initial;
+       tmgr_trace_t state_trace;
+       if(power_sc) // !=0
+               power_scale = power_sc;
+       if (state_init == -1)
+               state_initial = SURF_RESOURCE_OFF;
+       else
+               state_initial = SURF_RESOURCE_ON;
+       if(power_tr)
+               power_trace = tmgr_trace_new(power_tr);
+       else
+               power_trace = tmgr_trace_new("");
+       if(state_tr)
+               state_trace = tmgr_trace_new(state_tr);
+       else
+               state_trace = tmgr_trace_new("");
+       current_property_set = xbt_dict_new();
+       surf_host_create_resource(xbt_strdup(id), power_peak, power_scale,
+                                              power_trace, state_initial, state_trace, current_property_set);
+
+}
+
+/**
+ * create link resource via network model
+ */
+static void create_link(const char *name,
+        double bw_initial,const char *trace,double lat_initial,
+        const char* latency_trace,int state_init, const char* state_trace,int policy)
+{
+       tmgr_trace_t bw_trace;
+       tmgr_trace_t lat_trace;
+       e_surf_resource_state_t state_initial_link = SURF_RESOURCE_ON;
+       e_surf_link_sharing_policy_t policy_initial_link = SURF_LINK_SHARED;
+       tmgr_trace_t st_trace;
+       if(trace)
+               bw_trace = tmgr_trace_new(trace);
+       else
+               bw_trace = tmgr_trace_new("");
+
+       if(latency_trace)
+               lat_trace = tmgr_trace_new(latency_trace);
+       else
+               lat_trace = tmgr_trace_new("");
+
+       if(state_trace)
+               st_trace = tmgr_trace_new(state_trace);
+       else
+               st_trace = tmgr_trace_new("");
+
+       if(state_init == -1)
+               state_initial_link = SURF_RESOURCE_OFF;
+       if(policy == -1)
+               policy_initial_link = SURF_LINK_FATPIPE;
+
+       surf_link_create_resource(xbt_strdup(name), bw_initial, bw_trace,
+                  lat_initial, lat_trace, state_initial_link, st_trace,
+                  policy_initial_link, xbt_dict_new());
+}
+
+
+/*
+ *create host resource via workstation_ptask_L07 model [for SimDag]
+ */
+static void create_host_wsL07(const char* id,double power_peak,double power_sc,
+                                               const char* power_tr,int state_init,
+                                               const char* state_tr)
+{
+       double power_scale = 1.0;
+       tmgr_trace_t power_trace = NULL;
+       e_surf_resource_state_t state_initial;
+       tmgr_trace_t state_trace;
+       if(power_sc) // !=0
+               power_scale = power_sc;
+       if (state_init == -1)
+               state_initial = SURF_RESOURCE_OFF;
+       else
+               state_initial = SURF_RESOURCE_ON;
+       if(power_tr)
+               power_trace = tmgr_trace_new(power_tr);
+       else
+               power_trace = tmgr_trace_new("");
+       if(state_tr)
+               state_trace = tmgr_trace_new(state_tr);
+       else
+               state_trace = tmgr_trace_new("");
+       current_property_set = xbt_dict_new();
+       surf_wsL07_host_create_resource(xbt_strdup(id), power_peak, power_scale,
+                                              power_trace, state_initial, state_trace, current_property_set);
+
+}
+/*
+ * add new host to platform hosts list
+ */
+static int Host_new(lua_State *L)
+{
+
        if(xbt_dynar_is_empty(host_list_d))
                host_list_d = xbt_dynar_new(sizeof(p_host_attr), &xbt_free_ref);
 
-       p_host_attr host = malloc(sizeof(host_attr));
-       host->id = luaL_checkstring(L,1);
-       host->power = luaL_checknumber(L,2);
-       host->function = NULL;
-       xbt_dynar_push(host_list_d, &host);
-       return 0;
+       p_host_attr host;
+       const char * id;
+       const char *power_trace;
+       const char *state_trace;
+       double power,power_scale;
+       int state_initial;
+       //get values from the table passed as argument
+    if (lua_istable(L,-1)) {
+
+            // get Id Value
+            lua_pushstring(L,"id");
+            lua_gettable(L, -2 );
+            id = lua_tostring(L,-1);
+            lua_pop(L,1);
+
+            // get power value
+            lua_pushstring(L,"power");
+            lua_gettable(L, -2 );
+            power = lua_tonumber(L,-1);
+            lua_pop(L,1);
+
+            //get power_scale
+            lua_pushstring(L,"power_scale");
+            lua_gettable(L, -2 );
+            power_scale = lua_tonumber(L,-1);
+            lua_pop(L,1);
+
+            //get power_trace
+            lua_pushstring(L,"power_trace");
+            lua_gettable(L, -2 );
+            power_trace = lua_tostring(L,-1);
+            lua_pop(L,1);
+
+            //get state initial
+            lua_pushstring(L,"state_initial");
+            lua_gettable(L, -2 );
+            state_initial = lua_tonumber(L,-1);
+            lua_pop(L,1);
+
+            //get trace state
+            lua_pushstring(L,"state_trace");
+            lua_gettable(L, -2 );
+            state_trace = lua_tostring(L,-1);
+            lua_pop(L,1);
+
+    } else {
+            ERROR0("Bad Arguments to create host, Should be a table with named arguments");
+            return -1;
+    }
+
+           host = malloc(sizeof(host_attr));
+               host->id = id;
+               host->power_peak = power;
+               host->power_scale = power_scale;
+               host->power_trace = power_trace;
+               host->state_initial = state_initial;
+               host->state_trace = state_trace;
+               host->function = NULL;
+               xbt_dynar_push(host_list_d, &host);
+
+    return 0;
 }
 
+/**
+ * add link to platform links list
+ */
 static int Link_new(lua_State *L) // (id,bandwidth,latency)
 {
        if(xbt_dynar_is_empty(link_list_d))
                link_list_d = xbt_dynar_new(sizeof(p_link_attr), &xbt_free_ref);
 
+       const char* id;
+       double bandwidth,latency;
+       const char* bandwidth_trace;
+       const char* latency_trace;
+       const char* state_trace;
+       int state_initial,policy;
+
+       //get values from the table passed as argument
+       if (lua_istable(L,-1)) {
+                   // get Id Value
+                   lua_pushstring(L,"id");
+                   lua_gettable(L, -2 );
+                   id = lua_tostring(L,-1);
+                   lua_pop(L,1);
+
+                   // get bandwidth value
+                   lua_pushstring(L,"bandwidth");
+                   lua_gettable(L, -2 );
+                   bandwidth = lua_tonumber(L,-1);
+                   lua_pop(L,1);
+
+                   //get latency value
+                   lua_pushstring(L,"latency");
+                   lua_gettable(L, -2 );
+                   latency = lua_tonumber(L,-1);
+                   lua_pop(L,1);
+
+                   /*Optional Arguments  */
+
+                   //get bandwidth_trace value
+                   lua_pushstring(L,"bandwidth_trace");
+                   lua_gettable(L, -2 );
+                   bandwidth_trace = lua_tostring(L,-1);
+                   lua_pop(L,1);
+
+                   //get latency_trace value
+                   lua_pushstring(L,"latency_trace");
+                   lua_gettable(L, -2 );
+                   latency_trace = lua_tostring(L,-1);
+                   lua_pop(L,1);
+
+                   //get state_trace value
+                   lua_pushstring(L,"state_trace");
+                   lua_gettable(L, -2 );
+                   state_trace = lua_tostring(L,-1);
+                   lua_pop(L,1);
+
+                               //get state_initial value
+                   lua_pushstring(L,"state_initial");
+                   lua_gettable(L, -2 );
+                   state_initial = lua_tonumber(L,-1);
+                   lua_pop(L,1);
+
+
+                               //get policy value
+                   lua_pushstring(L,"policy");
+                   lua_gettable(L, -2 );
+                   policy = lua_tonumber(L,-1);
+                   lua_pop(L,1);
+
+           } else {
+                   ERROR0("Bad Arguments to create link, Should be a table with named arguments");
+                   return -1;
+           }
+
        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);
+       link->id = id;
+       link->bandwidth = bandwidth;
+       link->latency = latency;
+       link->bandwidth_trace = bandwidth_trace;
+       link->latency_trace = latency_trace;
+       link->state_trace = state_trace;
+       link->state_initial= state_initial;
+       link->policy = policy;
        xbt_dynar_push(link_list_d,&link);
        return 0;
 }
 
+/**
+ * add route to platform routes list
+ */
 static int Route_new(lua_State *L) // (src_id,dest_id,links_number,link_table)
 {
        if(xbt_dynar_is_empty(route_list_d))
                route_list_d = xbt_dynar_new(sizeof(p_route_attr), &xbt_free_ref);
-    int i;
        const char * link_id;
        p_route_attr route = malloc(sizeof(route_attr));
        route->src_id = luaL_checkstring(L,1);
@@ -387,6 +635,9 @@ static int Route_new(lua_State *L) // (src_id,dest_id,links_number,link_table)
        return 0;
 }
 
+/**
+ * set function to process
+ */
 static int Host_set_function(lua_State *L) //(host,function,nb_args,list_args)
 {
        // look for the index of host in host_list
@@ -400,17 +651,20 @@ static int Host_set_function(lua_State *L) //(host,function,nb_args,list_args)
                if(p_host->id == host_id)
                {
                        p_host->function = luaL_checkstring(L,2);
-                       p_host->args_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
-                       // fill the args list
-                       lua_pushnil(L);
-                       int j = 0;
-                       while (lua_next(L,3) != 0) {
-                                       argument = lua_tostring(L, -1);
-                                       xbt_dynar_push(p_host->args_list, &argument);
-                                   DEBUG2("index = %f , Arg_id = %s \n",lua_tonumber(L, -2),lua_tostring(L, -1));
-                                   j++;
-                                   lua_pop(L, 1);
-                               }
+                       if(lua_istable(L,3))
+                       {
+                               p_host->args_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
+                               // fill the args list
+                               lua_pushnil(L);
+                               int j = 0;
+                               while (lua_next(L,3) != 0) {
+                                               argument = lua_tostring(L, -1);
+                                               xbt_dynar_push(p_host->args_list, &argument);
+                                               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;
                }
@@ -421,152 +675,176 @@ static int Host_set_function(lua_State *L) //(host,function,nb_args,list_args)
 
 /*
  * surf parse bypass platform
+ * through CPU/network Models
  */
+
 static int surf_parse_bypass_platform()
 {
-       char buffer[22];
-       unsigned int i,j;
-       char* link_id;
-
+       unsigned int i;
        p_host_attr p_host;
        p_link_attr p_link;
        p_route_attr p_route;
 
-       static int AX_ptr = 0;
-       static int surfxml_bufferstack_size = 2048;
-
-         /* FIXME allocating memory for the buffer, I think 2kB should be enough */
-       surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
-         /* <platform> */
-       SURFXML_BUFFER_SET(platform_version, "2");
-#ifndef BYPASS_CPU
-       SURFXML_START_TAG(platform);
-#endif
-
        // Add Hosts
        xbt_dynar_foreach(host_list_d,i,p_host)
        {
-
-#ifdef BYPASS_MODEL
-               INFO0("Bypass_Cpu");
-               surf_cpu_model_init_bypass_im(p_host->id,p_host->power);
-#else
-
-               SURFXML_BUFFER_SET(host_id,p_host->id);
-               sprintf(buffer,"%f",p_host->power);
-               SURFXML_BUFFER_SET(host_power,buffer);
-               SURFXML_BUFFER_SET(host_availability, "1.0");
-               SURFXML_BUFFER_SET(host_availability_file, "");
-               A_surfxml_host_state = A_surfxml_host_state_ON;
-               SURFXML_BUFFER_SET(host_state_file, "");
-               SURFXML_BUFFER_SET(host_interference_send, "1.0");
-               SURFXML_BUFFER_SET(host_interference_recv, "1.0");
-               SURFXML_BUFFER_SET(host_interference_send_recv, "1.0");
-               SURFXML_BUFFER_SET(host_max_outgoing_rate, "-1.0");
-               SURFXML_START_TAG(host);
-               SURFXML_END_TAG(host);
-#endif
+               create_host(p_host->id,p_host->power_peak,p_host->power_scale,p_host->power_trace,
+                                       p_host->state_initial,p_host->state_trace);
+               //add to routing model host list
+               surf_route_add_host((char*)p_host->id);
        }
 
        //add Links
-       INFO0("Start Adding Links");
        xbt_dynar_foreach(link_list_d,i,p_link)
        {
-#ifdef BYPASS_MODEL
-
-               INFO0("Bypass_Network");
-               surf_network_model_init_bypass(p_link->id,p_link->bandwidth,p_link->latency);
-#else
-
-               SURFXML_BUFFER_SET(link_id,p_link->id);
-               sprintf(buffer,"%f",p_link->bandwidth);
-               SURFXML_BUFFER_SET(link_bandwidth,buffer);
-               SURFXML_BUFFER_SET(link_bandwidth_file, "");
-               sprintf(buffer,"%f",p_link->latency);
-               SURFXML_BUFFER_SET(link_latency,buffer);
-               SURFXML_BUFFER_SET(link_latency_file, "");
-               A_surfxml_link_state = A_surfxml_link_state_ON;
-               SURFXML_BUFFER_SET(link_state_file, "");
-               A_surfxml_link_sharing_policy = A_surfxml_link_sharing_policy_SHARED;
-               SURFXML_START_TAG(link);
-               SURFXML_END_TAG(link);
-#endif
+               /*(const char *name,
+        double bw_initial,const char *trace,double lat_initial,
+        const char* latency_trace,int state_init, const char* state_trace,int policy)*/
+               create_link(p_link->id,p_link->bandwidth,p_link->bandwidth_trace,p_link->latency,
+                               p_link->latency_trace,p_link->state_initial,p_link->state_trace,p_link->policy);
        }
-
        // add route
-       INFO0("Start Adding routes");
        xbt_dynar_foreach(route_list_d,i,p_route)
        {
-#ifndef BYPASS_MODEL
+               surf_route_set_resource((char*)p_route->src_id,(char*)p_route->dest_id,p_route->links_id,0);
+       }
+       /* </platform> */
 
-               SURFXML_BUFFER_SET(route_src,p_route->src_id);
-               SURFXML_BUFFER_SET(route_dst,p_route->dest_id);
-               SURFXML_BUFFER_SET(route_impact_on_src, "0.0");
-               SURFXML_BUFFER_SET(route_impact_on_dst, "0.0");
-               SURFXML_BUFFER_SET(route_impact_on_src_with_other_recv, "0.0");
-               SURFXML_BUFFER_SET(route_impact_on_dst_with_other_send, "0.0");
-               SURFXML_START_TAG(route);
+       surf_add_host_traces();
+       surf_set_routes();
+       surf_add_link_traces();
 
-               xbt_dynar_foreach(p_route->links_id,j,link_id)
-               {
-                       SURFXML_BUFFER_SET(link_c_ctn_id,link_id);
-                       SURFXML_START_TAG(link_c_ctn);
-                       SURFXML_END_TAG(link_c_ctn);
-               }
+       return 0; // must return 0 ?!!
+
+}
+
+/**
+ *
+ * surf parse bypass platform
+ * through workstation_ptask_L07 Model
+ */
+
+
+static int surf_wsL07_parse_bypass_platform()
+{
+       unsigned int i;
+       p_host_attr p_host;
+       p_link_attr p_link;
+       p_route_attr p_route;
+
+       // Add Hosts
+       xbt_dynar_foreach(host_list_d,i,p_host)
+       {
+               create_host_wsL07(p_host->id,p_host->power_peak,p_host->power_scale,p_host->power_trace,
+                                       p_host->state_initial,p_host->state_trace);
+               //add to routing model host list
+               surf_route_add_host((char*)p_host->id);
+       }
 
-               SURFXML_END_TAG(route);
-#endif
+       //add Links
+       xbt_dynar_foreach(link_list_d,i,p_link)
+       {
+               surf_wsL07_link_create_resource((char*)p_link->id,p_link->bandwidth,p_link->latency);
+       }
+       // add route
+       xbt_dynar_foreach(route_list_d,i,p_route)
+       {
+               surf_route_set_resource((char*)p_route->src_id,(char*)p_route->dest_id,p_route->links_id,0);
        }
        /* </platform> */
-#ifndef BYPASS_MODEL
-       SURFXML_END_TAG(platform);
-#endif
 
-       free(surfxml_bufferstack);
-       return 0; // must return 0 ?!!
+       surf_wsL07_add_traces();
+       surf_set_routes();
+
+       return 0;
 
 }
 /*
- * surf parse bypass application
+ * surf parse bypass application for MSG Module
  */
 static int surf_parse_bypass_application()
 {
-         unsigned int i,j;
+         unsigned int i;
          p_host_attr p_host;
-         char * arg;
-         static int AX_ptr;
-         static int surfxml_bufferstack_size = 2048;
-         /* FIXME ( should be manual )allocating memory to the buffer, I think 2MB should be enough */
-         surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
-         /* <platform> */
-         SURFXML_BUFFER_SET(platform_version, "2");
-         SURFXML_START_TAG(platform);
-
          xbt_dynar_foreach(host_list_d,i,p_host)
-         {
+                 {
                  if(p_host->function)
-                 {
-                         SURFXML_BUFFER_SET(process_host, p_host->id);
-                         SURFXML_BUFFER_SET(process_function, p_host->function);
-                         SURFXML_BUFFER_SET(process_start_time, "-1.0");
-                         SURFXML_BUFFER_SET(process_kill_time, "-1.0");
-                         SURFXML_START_TAG(process);
-                         //args
-                         xbt_dynar_foreach(p_host->args_list,j,arg)
-                         {
-                                 SURFXML_BUFFER_SET(argument_value,arg);
-                                 SURFXML_START_TAG(argument);
-                                 SURFXML_END_TAG(argument);
-                         }
-                         SURFXML_END_TAG(process);
-                 }
-         }
-         /* </platform> */
-         SURFXML_END_TAG(platform);
-         free(surfxml_bufferstack);
+                         MSG_set_function(p_host->id,p_host->function,p_host->args_list);
+                 }
          return 0;
 }
 
+
+/**
+ *  Generate Gras Templates File from lua
+ */
+
+xbt_dict_t process_function_set;
+xbt_dynar_t process_list;
+xbt_dict_t machine_set;
+static s_process_t process;
+
+void s_process_free(void *process)
+{
+  s_process_t *p = (s_process_t *) process;
+  int i;
+  for (i = 0; i < p->argc; i++)
+    free(p->argv[i]);
+  free(p->argv);
+  free(p->host);
+}
+
+static int gras_add_process_function(lua_State *L)
+{
+       const char * arg;
+       const char* process_host = luaL_checkstring(L,1);
+       const char *process_function = luaL_checkstring(L,2);
+
+       if(xbt_dict_is_empty(machine_set) || xbt_dict_is_empty(process_function_set)
+                       || xbt_dynar_is_empty(process_list))
+               {
+                 process_function_set = xbt_dict_new();
+                 process_list = xbt_dynar_new(sizeof(s_process_t), s_process_free);
+                 machine_set = xbt_dict_new();
+               }
+
+       xbt_dict_set(machine_set,process_host, NULL, NULL);
+       xbt_dict_set(process_function_set,process_function, NULL, NULL);
+
+       process.argc = 1;
+       process.argv = xbt_new(char *, 1);
+       process.argv[0] = xbt_strdup(process_function);
+       process.host = strdup(process_host);
+
+       lua_pushnil(L);
+       while (lua_next(L,3) != 0) {
+               arg = lua_tostring(L, -1);
+               process.argc++;
+               process.argv = xbt_realloc(process.argv, (process.argc) * sizeof(char *));
+               process.argv[(process.argc) - 1] = xbt_strdup(arg);
+
+               DEBUG2("index = %f , arg = %s \n",lua_tonumber(L, -2),lua_tostring(L, -1));
+               lua_pop(L, 1);
+               }
+       lua_pop(L, 1);
+       //add to the process list
+       xbt_dynar_push(process_list, &process);
+
+       return 0;
+
+}
+
+
+static int gras_generate(lua_State *L)
+{
+  const char *project_name = luaL_checkstring(L,1);
+  generate_sim(project_name);
+  generate_rl(project_name);
+  generate_makefile_local(project_name);
+
+  return 0;
+}
+
 //***********Register Methods *******************************************//
 /*
  * Host Methods
@@ -613,6 +891,7 @@ static const luaL_reg Link_methods[] = {
  */
 static const luaL_reg Route_methods[] ={
    {"new",Route_new},
+   {0,0}
 };
 
 /*
@@ -646,7 +925,6 @@ static int run_lua_code(int argc,char **argv) {
     res = lua_tonumber(L, -1);
     lua_pop(L, 1);  /* pop returned value */
   }
-
   // cleanups
   luaL_unref(simgrid_lua_state,LUA_REGISTRYINDEX,ref );
   DEBUG1("Execution of lua code %s is over", (argv ? argv[0] : "(null)"));
@@ -692,9 +970,13 @@ static int clean(lua_State *L) {
 }
 
 /*
- * Bypass XML Pareser
+ * Bypass XML Parser
  */
-static int register_platform(lua_State *L)
+
+/*
+ * Register platform for MSG
+ */
+static int msg_register_platform(lua_State *L)
 {
        /* Tell Simgrid we dont wanna use its parser*/
        surf_parse = surf_parse_bypass_platform;
@@ -702,7 +984,31 @@ static int register_platform(lua_State *L)
        return 0;
 }
 
-static int register_application(lua_State *L)
+/*
+ * Register platform for Simdag
+ */
+
+static int sd_register_platform(lua_State *L)
+{
+       surf_parse = surf_wsL07_parse_bypass_platform;
+       SD_create_environment(NULL);
+       return 0;
+}
+/*
+ * Register platform for gras
+ */
+static int gras_register_platform(lua_State *L)
+{
+       /* Tell Simgrid we dont wanna use surf parser*/
+       surf_parse = surf_parse_bypass_platform;
+       gras_create_environment(NULL);
+       return 0;
+}
+
+/**
+ * Register applicaiton for MSG
+ */
+static int msg_register_application(lua_State *L)
 {
         MSG_function_register_default(run_lua_code);
         surf_parse = surf_parse_bypass_application;
@@ -710,6 +1016,16 @@ static int register_application(lua_State *L)
         return 0;
 }
 
+/*
+ * Register application for gras
+ */
+static int gras_register_application(lua_State *L)
+{
+       gras_function_register_default(run_lua_code);
+       surf_parse = surf_parse_bypass_application;
+       gras_launch_application(NULL);
+       return 0;
+}
 static const luaL_Reg simgrid_funcs[] = {
     { "create_environment", create_environment},
     { "launch_application", launch_application},
@@ -721,8 +1037,14 @@ static const luaL_Reg simgrid_funcs[] = {
     { "platform", create_environment},
     { "application", launch_application},
     /* methods to bypass XML parser*/
-    { "register_platform",register_platform},
-    { "register_application",register_application},
+    { "msg_register_platform",msg_register_platform},
+    { "sd_register_platform",sd_register_platform},
+    { "msg_register_application",msg_register_application},
+    { "gras_register_platform",gras_register_platform},
+    { "gras_register_application",gras_register_application},
+    /* gras sub generator method*/
+    {"gras_set_process_function",gras_add_process_function},
+    {"gras_generate",gras_generate},
     { NULL, NULL }
 };
 
@@ -733,40 +1055,44 @@ static const luaL_Reg simgrid_funcs[] = {
 extern const char*xbt_ctx_factory_to_use; /*Hack: let msg load directly the right factory */
 
 #define LUA_MAX_ARGS_COUNT 10 /* maximum amount of arguments we can get from lua on command line */
-
+#define TEST
 int luaopen_simgrid(lua_State* L); // Fuck gcc: we don't need that prototype
 int luaopen_simgrid(lua_State* L) {
-  //xbt_ctx_factory_to_use = "lua";
 
+  //xbt_ctx_factory_to_use = "lua";
   char **argv=malloc(sizeof(char*)*LUA_MAX_ARGS_COUNT);
   int argc=1;
   argv[0] = (char*)"/usr/bin/lua"; /* Lie on the argv[0] so that the stack dumping facilities find the right binary. FIXME: what if lua is not in that location? */
   /* Get the command line arguments from the lua interpreter */
   lua_getglobal(L,"arg");
-  xbt_assert1(lua_istable(L,-1),"arg parameter is not a table but a %s",lua_typename(L,-1));
-  int done=0;
-  while (!done) {
-    argc++;
-    lua_pushinteger(L,argc-2);
-    lua_gettable(L,-2);
-    if (lua_isnil(L,-1)) {
-      done = 1;
-    } else {
-      xbt_assert1(lua_isstring(L,-1),"argv[%d] got from lua is no string",argc-1);
-      xbt_assert2(argc<LUA_MAX_ARGS_COUNT,
-           "Too many arguments, please increase LUA_MAX_ARGS_COUNT in %s before recompiling SimGrid if you insist on having more than %d args on command line",
-           __FILE__,LUA_MAX_ARGS_COUNT-1);
-      argv[argc-1] = (char*)luaL_checkstring(L,-1);
-      lua_pop(L,1);
-      DEBUG1("Got command line argument %s from lua",argv[argc-1]);
-    }
-  }
-  argv[argc--]=NULL;
-
-  /* Initialize the MSG core */
-  MSG_global_init(&argc,argv);
-  DEBUG1("Still %d arguments on command line",argc); // FIXME: update the lua's arg table to reflect the changes from SimGrid
+  /* if arg is a null value, it means we use lua only as a script to init platform
+   * else it should be a table and then take arg in consideration
+   */
+  if(lua_istable(L,-1))
+  {
+         int done=0;
+         while (!done) {
+               argc++;
+               lua_pushinteger(L,argc-2);
+               lua_gettable(L,-2);
+               if (lua_isnil(L,-1)) {
+                 done = 1;
+               } else {
+                 xbt_assert1(lua_isstring(L,-1),"argv[%d] got from lua is no string",argc-1);
+                 xbt_assert2(argc<LUA_MAX_ARGS_COUNT,
+                          "Too many arguments, please increase LUA_MAX_ARGS_COUNT in %s before recompiling SimGrid if you insist on having more than %d args on command line",
+                          __FILE__,LUA_MAX_ARGS_COUNT-1);
+                 argv[argc-1] = (char*)luaL_checkstring(L,-1);
+                 lua_pop(L,1);
+                 DEBUG1("Got command line argument %s from lua",argv[argc-1]);
+               }
+         }
+         argv[argc--]=NULL;
 
+         /* Initialize the MSG core */
+         MSG_global_init(&argc,argv);
+         DEBUG1("Still %d arguments on command line",argc); // FIXME: update the lua's arg table to reflect the changes from SimGrid
+ }
   /* register the core C functions to lua */
   luaL_register(L, "simgrid", simgrid_funcs);
   /* register the task methods to lua */