X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/3d98c71ad222e76400f85bc255dd2388b27f26ce..fe832229f8b8467994bac54665117823e7ed97e9:/src/bindings/lua/simgrid_lua.c diff --git a/src/bindings/lua/simgrid_lua.c b/src/bindings/lua/simgrid_lua.c index 787b70b936..79f09ecc11 100644 --- a/src/bindings/lua/simgrid_lua.c +++ b/src/bindings/lua/simgrid_lua.c @@ -10,7 +10,10 @@ #include #include #include "msg/msg.h" +#include "simdag/simdag.h" +#include #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); - /* */ - 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); + } + /* */ - 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); } /* */ -#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); - /* */ - 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); - } - } - /* */ - 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