/* SimGrid Lua bindings */
-/* Copyright (c) 2010, the SimGrid team. All right reserved. */
+/* Copyright (c) 2010. The SimGrid Team.
+ * All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include <stdio.h>
#include <lauxlib.h>
#include <lualib.h>
-
#include "msg/msg.h"
#include "xbt.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(lua,bindings,"Lua Bindings");
#define TASK_MODULE_NAME "simgrid.Task"
+#define HOST_MODULE_NAME "simgrid.Host"
+// Surf ( bypass XML )
+#define LINK_MODULE_NAME "simgrid.Link"
+#define ROUTE_MODULE_NAME "simgrid.Route"
/* ********************************************************************************* */
/* helper functions */
char *p=buff;
int i;
int top = lua_gettop(L);
- void *ptr;
+
fflush(stdout);
p+=sprintf(p,"STACK(top=%d): ",top);
+
for (i = 1; i <= top; i++) { /* repeat for each level */
int t = lua_type(L, i);
switch (t) {
p+=sprintf(p,"%g", lua_tonumber(L, i));
break;
+ case LUA_TTABLE:
+ p+=sprintf(p, "Table");
+ break;
+
default: /* other values */
- if ((ptr = luaL_checkudata(L,i,TASK_MODULE_NAME))) {
+ p+=sprintf(p, "???");
+/* if ((ptr = luaL_checkudata(L,i,TASK_MODULE_NAME))) {
p+=sprintf(p,"task");
} else {
p+=printf(p,"%s", lua_typename(L, t));
- }
+ }*/
break;
}
/** @brief ensures that a userdata on the stack is a task and returns the pointer inside the userdata */
static m_task_t checkTask (lua_State *L,int index) {
m_task_t *pi,tk;
- luaL_checktype(L,index,LUA_TUSERDATA);
- pi = (m_task_t*)luaL_checkudata(L,index,TASK_MODULE_NAME);
+ luaL_checktype(L,index,LUA_TTABLE);
+ lua_getfield(L,index,"__simgrid_task");
+ pi = (m_task_t*)luaL_checkudata(L,-1,TASK_MODULE_NAME);
if(pi == NULL)
luaL_typerror(L,index,TASK_MODULE_NAME);
tk = *pi;
if(!tk)
luaL_error(L,"null Task");
+ lua_pop(L,1);
return tk;
}
/** @brief leaves a new userdata on top of the stack, sets its metatable, and sets the Task pointer inside the userdata */
-static m_task_t *pushTask (lua_State *L,m_task_t tk) {
-
+// NOT USED
+/*static m_task_t *pushTask (lua_State *L,m_task_t tk) {
m_task_t *pi = NULL;
pi = (m_task_t*)lua_newuserdata(L,sizeof(m_task_t));
*pi=tk;
-
DEBUG1("push lua task with Name : %s \n",MSG_task_get_name(*pi));
luaL_getmetatable(L,TASK_MODULE_NAME);
lua_setmetatable(L,-2);
return pi;
-
-}
+}*/
/* ********************************************************************************* */
/* wrapper functions */
/* ********************************************************************************* */
+/**
+ * Task
+ */
+
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));
*lua_task = msg_task;
- MSG_task_set_data(msg_task,lua_task);
- pushTask(L,msg_task);
- INFO0("Created task");
+ luaL_getmetatable(L,TASK_MODULE_NAME);
+ lua_setmetatable(L,-2);
+ lua_setfield (L, -2, "__simgrid_task"); /* put the userdata as field of the table */
+ /* remove the args from the stack */
+ lua_remove(L,1);
+ lua_remove(L,1);
+ lua_remove(L,1);
return 1;
}
static int Task_get_name(lua_State *L) {
- m_task_t tk = checkTask(L,1);
+ m_task_t tk = checkTask(L,-1);
lua_pushstring(L,MSG_task_get_name(tk));
return 1;
}
static int Task_computation_duration(lua_State *L){
- m_task_t tk = checkTask(L,1);
+ m_task_t tk = checkTask(L,-1);
lua_pushnumber(L,MSG_task_get_compute_duration (tk));
return 1;
}
static int Task_execute(lua_State *L){
- m_task_t tk = checkTask(L,1);
+ m_task_t tk = checkTask(L,-1);
int res = MSG_task_execute(tk);
lua_pushnumber(L,res);
return 1;
}
static int Task_destroy(lua_State *L) {
- m_task_t tk = checkTask(L,1);
+ m_task_t tk = checkTask(L,-1);
int res = MSG_task_destroy(tk);
lua_pushnumber(L,res);
return 1;
}
+
static int Task_send(lua_State *L) {
- m_task_t tk = checkTask(L,1);
- const char *mailbox = luaL_checkstring(L,2);
+ //stackDump("send ",L);
+ m_task_t tk = checkTask(L,-2);
+ const char *mailbox = luaL_checkstring(L,-1);
lua_pop(L,1); // remove the string so that the task is on top of it
MSG_task_set_data(tk,L); // Copy my stack into the task, so that the receiver can copy the lua task directly
MSG_error_t res = MSG_task_send(tk,mailbox);
- while (MSG_task_has_data(tk)) // Don't mess up with my stack: the receiver didn't copy the data yet
+ while (MSG_task_get_data(tk)!=NULL) // Don't mess up with my stack: the receiver didn't copy the data yet
MSG_process_sleep(0); // yield
if (res != MSG_OK) switch(res) {
}
return 0;
}
+
static int Task_recv(lua_State *L) {
m_task_t tk = NULL;
- const char *mailbox = luaL_checkstring(L,1);
+ const char *mailbox = luaL_checkstring(L,-1);
MSG_error_t res = MSG_task_receive(&tk,mailbox);
lua_State *sender_stack = MSG_task_get_data(tk);
{0,0}
};
static int Task_gc(lua_State *L) {
- m_task_t tk=checkTask(L,1);
+ m_task_t tk=checkTask(L,-1);
if (tk) MSG_task_destroy(tk);
- //printf("GoodBye Task(%p)\n",lua_touserdata(L,1));
return 0;
}
return 1;
}
-
static const luaL_reg Task_meta[] = {
{"__gc", Task_gc},
{"__tostring", Task_tostring},
{0,0}
};
+/**
+ * Host
+ */
+static m_host_t checkHost (lua_State *L,int index) {
+ m_host_t *pi,ht;
+ luaL_checktype(L,index,LUA_TTABLE);
+ lua_getfield(L,index,"__simgrid_host");
+ pi = (m_host_t*)luaL_checkudata(L,-1,HOST_MODULE_NAME);
+ if(pi == NULL)
+ luaL_typerror(L,index,HOST_MODULE_NAME);
+ ht = *pi;
+ if(!ht)
+ luaL_error(L,"null Host");
+ lua_pop(L,1);
+ return ht;
+}
+
+static int Host_get_by_name(lua_State *L)
+{
+ const char *name=luaL_checkstring(L,1);
+ DEBUG0("Getting Host from name...");
+ m_host_t msg_host = MSG_get_host_by_name(name);
+ if (!msg_host)
+ {
+ luaL_error(L,"null Host : MSG_get_host_by_name failled");
+ }
+ 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 = msg_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 */
+ /* remove the args from the stack */
+ lua_remove(L,1);
+ return 1;
+}
+
+
+static int Host_get_name(lua_State *L) {
+ m_host_t ht = checkHost(L,-1);
+ lua_pushstring(L,MSG_host_get_name(ht));
+ return 1;
+}
+
+static int Host_number(lua_State *L) {
+ lua_pushnumber(L,MSG_get_host_number());
+ return 1;
+}
+
+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;
+}
+
+
+
+/*
+ * surf parse bypass platform
+ */
+static int surf_parse_bypass_platform()
+{
+ 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");
+ SURFXML_START_TAG(platform);
+ char buffer[22];
+ int i;
+
+ // Add Host
+ for(i=0;i<host_index;i++)
+ {
+ SURFXML_BUFFER_SET(host_id,host_list[i]->id);
+ sprintf(buffer, "%f", host_list[i]->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);
+ }
+
+ //add Host
+ for (i = 0;i<link_index;i++)
+ {
+ SURFXML_BUFFER_SET(link_id,link_list[i]->id);
+ sprintf(buffer,"%f",link_list[i]->bandwidth);
+ SURFXML_BUFFER_SET(link_bandwidth,buffer);
+ SURFXML_BUFFER_SET(link_bandwidth_file, "");
+ sprintf(buffer,"%f",link_list[i]->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);
+ }
+
+ // add route
+
+ for (i = 0;i<route_index;i++)
+ {
+ SURFXML_BUFFER_SET(route_src,route_list[i]->src_id);
+ SURFXML_BUFFER_SET(route_dst,route_list[i]->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);
+ int j;
+
+ for(j=0; j < route_list[i]->links_nb;j++)
+ {
+ SURFXML_BUFFER_SET(link_c_ctn_id,route_list[i]->links_id[j]);
+ SURFXML_START_TAG(link_c_ctn);
+ SURFXML_END_TAG(link_c_ctn);
+ }
+
+ SURFXML_END_TAG(route);
+ }
+ /* </platform> */
+
+ SURFXML_END_TAG(platform);
+ free(surfxml_bufferstack);
+ return 0; // must return 0 ?!!
+
+}
+
+/*
+ * surf parse bypass application
+ */
+static int surf_parse_bypass_application()
+{
+ int i;
+ 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);
+
+ for(i=0 ; i< host_index ;i++)
+ {
+ if(host_list[i]->function)
+ {
+ SURFXML_BUFFER_SET(process_host, host_list[i]->id);
+ SURFXML_BUFFER_SET(process_function, host_list[i]->function);
+ SURFXML_BUFFER_SET(process_start_time, "-1.0");
+ SURFXML_BUFFER_SET(process_kill_time, "-1.0");
+ SURFXML_START_TAG(process);
+
+ //args
+ int j;
+ for(j=0 ;j<host_list[i]->args_nb;j++)
+ {
+ SURFXML_BUFFER_SET(argument_value, host_list[i]->args_list[j]);
+ SURFXML_START_TAG(argument);
+ SURFXML_END_TAG(argument);
+ }
+ SURFXML_END_TAG(process);
+ }
+
+ }
+ /* </platform> */
+ SURFXML_END_TAG(platform);
+ free(surfxml_bufferstack);
+ return 0;
+}
+
+// Free Allocated Memory
+static void clean_attr()
+{
+ // free hosts
+ int i;
+ for(i = 0;i<host_index;i++)
+ free(host_list[i]->args_list);
+
+ free(host_list);
+ free(link_list);
+
+ for(i=0;i<route_index;i++)
+ free(route_list[i]->links_id);
+
+ free(route_list);
+}
+//***********Register Methods *******************************************//
+/*
+ * Host Methods
+ */
+static const luaL_reg Host_methods[] = {
+ {"getByName", Host_get_by_name},
+ {"name", Host_get_name},
+ {"number", Host_number},
+ {"at", Host_at},
+ // Bypass XML Methods
+ {"new", Host_new},
+ {"setNumber", Host_set_number},
+ {"setFunction", Host_set_function},
+ {0,0}
+};
+
+static int Host_gc(lua_State *L)
+{
+ m_host_t ht = checkHost(L,-1);
+ if (ht) ht = NULL;
+ return 0;
+}
+
+static int Host_tostring(lua_State *L)
+{
+ lua_pushfstring(L,"Host :%p",lua_touserdata(L,1));
+ return 1;
+}
+
+static const luaL_reg Host_meta[] = {
+ {"__gc", Host_gc},
+ {"__tostring", Host_tostring},
+ {0,0}
+};
+
+/*
+ * Link Methods
+ */
+static const luaL_reg Link_methods[] = {
+ {"new",Link_new},
+ {"setNumber", Link_set_number },
+ {0,0}
+};
+/*
+ * Route Methods
+ */
+static const luaL_reg Route_methods[] ={
+ {"new",Route_new},
+ {"setNumber",Route_set_number}
+};
+
/*
* Environment related
*/
+
extern lua_State *simgrid_lua_state;
static int run_lua_code(int argc,char **argv) {
DEBUG1("Run lua code %s",argv[0]);
-// fprintf(stderr,"Run lua code %s\n", (argv ? argv[0] : "(null)"));
lua_State *L = lua_newthread(simgrid_lua_state);
int ref = luaL_ref(simgrid_lua_state, LUA_REGISTRYINDEX); // protect the thread from being garbage collected
int res = 1;
return 0;
}
+
static int debug(lua_State *L) {
const char *str = luaL_checkstring(L,1);
DEBUG1("%s",str);
return 0;
}
static int clean(lua_State *L) {
+ clean_attr(); // in case of using "bypass xml" methods
MSG_clean();
return 0;
}
+
+/*
+ * Bypass XML Pareser
+ */
+static int register_platform(lua_State *L)
+{
+ /* Tell Simgrid we dont wanna use its parser*/
+ surf_parse = surf_parse_bypass_platform;
+ MSG_create_environment(NULL);
+ return 0;
+}
+
+static int register_application(lua_State *L)
+{
+ MSG_function_register_default(run_lua_code);
+ surf_parse = surf_parse_bypass_application;
+ MSG_launch_application(NULL);
+ return 0;
+}
+
static const luaL_Reg simgrid_funcs[] = {
{ "create_environment", create_environment},
{ "launch_application", launch_application},
/* short names */
{ "platform", create_environment},
{ "application", launch_application},
+ /* methods to bypass XML parser*/
+ { "register_platform",register_platform},
+ { "register_application",register_application},
{ NULL, NULL }
};
/* register the core C functions to lua */
luaL_register(L, "simgrid", simgrid_funcs);
- /* register the tasks to lua */
+ /* register the task methods to lua */
luaL_openlib(L,TASK_MODULE_NAME,Task_methods,0); //create methods table,add it to the globals
luaL_newmetatable(L,TASK_MODULE_NAME); //create metatable for Task,add it to the Lua registry
luaL_openlib(L,0,Task_meta,0);// fill metatable
lua_rawset(L,-3); //hide metatable:metatable.__metatable = methods
lua_pop(L,1); //drop metatable
+ /* register the hosts methods to lua*/
+ luaL_openlib(L,HOST_MODULE_NAME,Host_methods,0);
+ luaL_newmetatable(L,HOST_MODULE_NAME);
+ luaL_openlib(L,0,Host_meta,0);
+ lua_pushliteral(L,"__index");
+ lua_pushvalue(L,-3);
+ lua_rawset(L,-3);
+ lua_pushliteral(L,"__metatable");
+ lua_pushvalue(L,-3);
+ lua_rawset(L,-3);
+ lua_pop(L,1);
+
+ /* register the links methods to lua*/
+ luaL_openlib(L,LINK_MODULE_NAME,Link_methods,0);
+ luaL_newmetatable(L,LINK_MODULE_NAME);
+ lua_pop(L,1);
+
+ /*register the routes methods to lua*/
+ luaL_openlib(L,ROUTE_MODULE_NAME,Route_methods,0);
+ luaL_newmetatable(L,LINK_MODULE_NAME);
+ lua_pop(L,1);
+
/* Keep the context mechanism informed of our lua world today */
simgrid_lua_state = L;
-
return 1;
}
