-/* SimGrid Lua bindings */
-
/* 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 "simdag/simdag.h"
-#include <gras.h>
-#include "xbt.h"
-#include "lua_stub_generator.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 */
-/* ********************************************************************************* */
-static void stackDump (const char *msg, lua_State *L) {
- char buff[2048];
- char *p=buff;
- int i;
- int top = lua_gettop(L);
-
- 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) {
+/* SimGrid Lua bindings */
- case LUA_TSTRING: /* strings */
- p+=sprintf(p,"`%s'", lua_tostring(L, i));
- break;
+#include "simgrid_lua.h"
+#include "lua_state_cloner.h"
+#include "lua_utils.h"
- case LUA_TBOOLEAN: /* booleans */
- p+=sprintf(p,lua_toboolean(L, i) ? "true" : "false");
- break;
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(lua, bindings, "Lua Bindings");
- case LUA_TNUMBER: /* numbers */
- p+=sprintf(p,"%g", lua_tonumber(L, i));
- break;
+#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"
+#define PLATF_MODULE_NAME "simgrid.platf"
- case LUA_TTABLE:
- p+=sprintf(p, "Table");
- break;
+static lua_State* sglua_maestro_state;
- default: /* other values */
- 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;
+int luaopen_simgrid(lua_State *L);
+static void register_c_functions(lua_State *L);
+static int run_lua_code(int argc, char **argv);
- }
- p+=sprintf(p," "); /* put a separator */
- }
- INFO2("%s%s",msg,buff);
-}
-
-/** @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_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;
-}
/* ********************************************************************************* */
-/* wrapper functions */
+/* simgrid.task API */
/* ********************************************************************************* */
/**
- * A task is either something to compute somewhere, or something to exchange between two hosts (or both).
- * It is defined by a computing amount and a message size.
- *
+ * \brief Ensures that a value in the stack is a valid task and returns it.
+ * \param L a Lua state
+ * \param index an index in the Lua stack
+ * \return the C task corresponding to this Lua task
*/
+static m_task_t sglua_checktask(lua_State* L, int index)
+{
+ sglua_stack_dump("check task: ", L);
+ luaL_checktype(L, index, LUA_TTABLE);
+ /* ... task ... */
+ lua_getfield(L, index, "__simgrid_task");
+ /* ... task ... ctask */
+ m_task_t task = *((m_task_t*) luaL_checkudata(L, -1, TASK_MODULE_NAME));
+ lua_pop(L, 1);
+ /* ... task ... */
+
+ if (task == NULL) {
+ luaL_error(L, "This task was sent to someone else, you cannot access it anymore");
+ }
+
+ return task;
+}
-/* * * *
- * * Constructors * *
- * * * */
/**
- * Construct an new task with the specified processing amount and amount
- * of data needed.
+ * \brief Creates a new task and leaves it onto the stack.
+ * \param L a Lua state
+ * \return number of values returned to Lua
*
- * @param name Task's name
+ * - Argument 1 (string): name of the task
+ * - Argument 2 (number): computation size
+ * - Argument 3 (number): communication size
+ * - Return value (task): the task created
*
- * @param computeDuration A value of the processing amount (in flop) needed to process the task.
- * If 0, then it cannot be executed with the execute() method.
- * This value has to be >= 0.
- *
- * @param messageSize A value of amount of data (in bytes) needed to transfert this task.
- * If 0, then it cannot be transfered with the get() and put() methods.
- * This value has to be >= 0.
+ * A Lua task is a regular table with a full userdata inside, and both share
+ * the same metatable. For the regular table, the metatable allows OO-style
+ * writing such as your_task:send(someone).
+ * For the userdata, the metatable is used to check its type.
*/
-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);
- 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;
- 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);
- lua_pushstring(L,MSG_task_get_name(tk));
+static int l_task_new(lua_State* L)
+{
+ XBT_DEBUG("Task new");
+ const char* name = luaL_checkstring(L, 1);
+ int comp_size = luaL_checkint(L, 2);
+ int msg_size = luaL_checkint(L, 3);
+ /* name comp comm */
+ lua_settop(L, 0);
+ /* -- */
+ m_task_t msg_task = MSG_task_create(name, comp_size, msg_size, NULL);
+
+ lua_newtable(L);
+ /* task */
+ luaL_getmetatable(L, TASK_MODULE_NAME);
+ /* task mt */
+ lua_setmetatable(L, -2);
+ /* task */
+ m_task_t* lua_task = (m_task_t*) lua_newuserdata(L, sizeof(m_task_t));
+ /* task ctask */
+ *lua_task = msg_task;
+ luaL_getmetatable(L, TASK_MODULE_NAME);
+ /* task ctask mt */
+ lua_setmetatable(L, -2);
+ /* task ctask */
+ lua_setfield(L, -2, "__simgrid_task");
+ /* task */
return 1;
}
-static int Task_computation_duration(lua_State *L){
- m_task_t tk = checkTask(L,-1);
- lua_pushnumber(L,MSG_task_get_compute_duration (tk));
+/**
+ * \brief Returns the name of a task.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (task): a task
+ * - Return value (string): name of the task
+ */
+static int l_task_get_name(lua_State* L)
+{
+ m_task_t task = sglua_checktask(L, 1);
+ lua_pushstring(L, MSG_task_get_name(task));
return 1;
}
-static int Task_execute(lua_State *L){
- m_task_t tk = checkTask(L,-1);
- int res = MSG_task_execute(tk);
- lua_pushnumber(L,res);
+/**
+ * \brief Returns the computation duration of a task.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (task): a task
+ * - Return value (number): computation duration of this task
+ */
+static int l_task_get_computation_duration(lua_State* L)
+{
+ m_task_t task = sglua_checktask(L, 1);
+ lua_pushnumber(L, MSG_task_get_compute_duration(task));
return 1;
}
-static int Task_destroy(lua_State *L) {
- m_task_t tk = checkTask(L,-1);
- int res = MSG_task_destroy(tk);
- lua_pushnumber(L,res);
- return 1;
-}
+/**
+ * \brief Executes a task.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (task): the task to execute
+ * - Return value (nil / error): none if the task was successfully executed, or an error
+ * string in case of failure, which may be "task canceled" or "host failure"
+ */
+static int l_task_execute(lua_State* L)
+{
+ m_task_t task = sglua_checktask(L, 1);
+ MSG_error_t res = MSG_task_execute(task);
-static int Task_send(lua_State *L) {
- //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_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) {
- case MSG_TIMEOUT :
- ERROR0("MSG_task_send failed : Timeout");
- break;
- case MSG_TRANSFER_FAILURE :
- ERROR0("MSG_task_send failed : Transfer Failure");
- break;
- case MSG_HOST_FAILURE :
- ERROR0("MSG_task_send failed : Host Failure ");
- break;
- default :
- ERROR0("MSG_task_send failed : Unexpected error , please report this bug");
- break;
- }
- return 0;
-}
+ switch (res) {
-static int Task_recv(lua_State *L) {
- m_task_t tk = NULL;
- 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);
- lua_xmove(sender_stack,L,1); // copy the data directly from sender's stack
- MSG_task_set_data(tk,NULL);
-
- if(res != MSG_OK) switch(res){
- case MSG_TIMEOUT :
- ERROR0("MSG_task_receive failed : Timeout");
- break;
- case MSG_TRANSFER_FAILURE :
- ERROR0("MSG_task_receive failed : Transfer Failure");
- break;
- case MSG_HOST_FAILURE :
- ERROR0("MSG_task_receive failed : Host Failure ");
- break;
- default :
- ERROR0("MSG_task_receive failed : Unexpected error , please report this bug");
- break;
- }
+ case MSG_OK:
+ return 0;
- return 1;
-}
+ case MSG_TASK_CANCELED:
+ lua_pushliteral(L, "task canceled");
+ return 1;
-static const luaL_reg Task_methods[] = {
- {"new", Task_new},
- {"name", Task_get_name},
- {"computation_duration", Task_computation_duration},
- {"execute", Task_execute},
- {"destroy", Task_destroy},
- {"send", Task_send},
- {"recv", Task_recv},
- {0,0}
-};
-static int Task_gc(lua_State *L) {
- m_task_t tk=checkTask(L,-1);
- if (tk) MSG_task_destroy(tk);
- return 0;
-}
+ case MSG_HOST_FAILURE:
+ lua_pushliteral(L, "host failure");
+ return 1;
-static int Task_tostring(lua_State *L) {
- lua_pushfstring(L, "Task :%p",lua_touserdata(L,1));
- return 1;
+ default:
+ xbt_die("Unexpected result of MSG_task_execute(): %d, please report this bug", res);
+ }
}
-static const luaL_reg Task_meta[] = {
- {"__gc", Task_gc},
- {"__tostring", Task_tostring},
- {0,0}
-};
-
/**
- * Host
+ * \brief Sends a task to a mailbox and waits for its completion.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (task): the task to send
+ * - Argument 2 (string): mailbox
+ * - Return value (nil / error): none if the communication was successful, or an error string
+ * in case of failure, which may be "timeout", "host failure" or
+ * "transfer failure"
*/
-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)
+static int l_task_send(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;
-}
+ m_task_t task = sglua_checktask(L, 1);
+ const char* mailbox = luaL_checkstring(L, 2);
+ /* task mailbox */
+ lua_settop(L, 1);
+ /* task */
+ /* copy my stack into the task, so that the receiver can copy the lua task */
+ MSG_task_set_data(task, L);
+ MSG_error_t res = MSG_task_send(task, mailbox);
+ while (MSG_task_get_data(task) != NULL) {
+ /* don't mess up with my stack: the receiver didn't copy the data yet */
+ MSG_process_sleep(0);
+ }
+ switch (res) {
-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;
-}
+ case MSG_OK:
+ /* the receiver is the owner of the task and may destroy it:
+ * remove the C task on my side so that I don't garbage collect it */
+ lua_getfield(L, 1, "__simgrid_task");
+ /* task ctask */
+ m_task_t* udata = (m_task_t*) luaL_checkudata(L, -1, TASK_MODULE_NAME);
+ *udata = NULL;
+ return 0;
-static int Host_number(lua_State *L) {
- lua_pushnumber(L,MSG_get_host_number());
- return 1;
+ case MSG_TIMEOUT:
+ XBT_DEBUG("MSG_task_send failed: timeout");
+ lua_settop(L, 0);
+ lua_pushliteral(L, "timeout");
+ return 1;
+
+ case MSG_TRANSFER_FAILURE:
+ XBT_DEBUG("MSG_task_send failed: transfer failure");
+ lua_settop(L, 0);
+ lua_pushliteral(L, "transfer failure");
+ return 1;
+
+ case MSG_HOST_FAILURE:
+ XBT_DEBUG("MSG_task_send failed: host failure");
+ lua_settop(L, 0);
+ lua_pushliteral(L, "host failure");
+ return 1;
+
+ default:
+ xbt_die("Unexpected result of MSG_task_send: %d, please report this bug", res);
+ }
}
-static int Host_at(lua_State *L)
+/**
+ * \brief Receives a task.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (string): mailbox
+ * - Argument 2 (number, optional): timeout (default is no timeout)
+ * - Return value (task / nil+err): the task received, or nil plus an error message if
+ * the communication has failed
+ */
+static int l_task_recv(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;
-
-}
+ m_task_t task = NULL;
+ const char* mailbox = luaL_checkstring(L, 1);
+ int timeout;
+ if (lua_gettop(L) >= 2) {
+ /* mailbox timeout */
+ timeout = luaL_checknumber(L, 2);
+ }
+ else {
+ /* mailbox */
+ timeout = -1;
+ /* no timeout by default */
+ }
+ lua_settop(L, 0);
+ /* -- */
+ MSG_error_t res = MSG_task_receive_with_timeout(&task, mailbox, timeout);
-/*****************************************************************************************
- * BYPASS XML SURF Methods *
- ***************************
- ***************************
-******************************************************************************************/
-#include "surf/surfxml_parse.h" /* to override surf_parse and bypass the parser */
-#include "surf/surf_private.h"
-typedef struct t_host_attr
-{
- //platform attribute
- // Mandatory attributes
- const char* id;
- 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;
-}host_attr,*p_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
-{
- const char *src_id;
- const char *dest_id;
- xbt_dynar_t links_id;
+ switch (res) {
-}route_attr,*p_route_attr;
+ case MSG_OK:
+ /* copy the data directly from sender's stack */
+ {
+ lua_State* sender_stack = MSG_task_get_data(task);
+ sglua_copy_value(sender_stack, L);
+ /* task */
+ MSG_task_set_data(task, NULL);
+ return 1;
+ }
-//using xbt_dynar_t :
-static xbt_dynar_t host_list_d ;
-static xbt_dynar_t link_list_d ;
-static xbt_dynar_t route_list_d ;
+ case MSG_TIMEOUT:
+ XBT_DEBUG("MSG_task_send failed: timeout");
+ lua_pushnil(L);
+ lua_pushliteral(L, "timeout");
+ return 2;
+
+ case MSG_TRANSFER_FAILURE:
+ XBT_DEBUG("MSG_task_send failed: transfer failure");
+ lua_pushnil(L);
+ lua_pushliteral(L, "transfer failure");
+ return 2;
+
+ case MSG_HOST_FAILURE:
+ XBT_DEBUG("MSG_task_send failed: host failure");
+ lua_pushnil(L);
+ lua_pushliteral(L, "host failure");
+ return 2;
+
+ default:
+ xbt_die("Unexpected result of MSG_task_recv: %d, please report this bug", res);
+ }
+}
+static const luaL_reg task_functions[] = {
+ {"new", l_task_new},
+ {"get_name", l_task_get_name},
+ {"get_computation_duration", l_task_get_computation_duration},
+ {"execute", l_task_execute},
+ {"send", l_task_send},
+ {"recv", l_task_recv},
+ {NULL, NULL}
+};
/**
- * create host resource via CPU model [for MSG]
+ * \brief Finalizes the userdata of a task.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (userdata): a C task, possibly NULL if it was sent to another
+ * Lua state
*/
-
-static void create_host(const char* id,double power_peak,double power_sc,
- const char* power_tr,int state_init,
- const char* state_tr)
+static int l_task_gc(lua_State* L)
{
-
- 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);
-
+ /* ctask */
+ m_task_t task = *((m_task_t*) luaL_checkudata(L, 1, TASK_MODULE_NAME));
+ /* the task is NULL if I sent it to someone else */
+ if (task != NULL) {
+ MSG_task_destroy(task);
+ }
+ return 0;
}
/**
- * create link resource via network model
+ * \brief Returns a string representation of a C task.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (userdata): a task
+ * - Return value (string): a string describing this task
*/
-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)
+static int l_task_tostring(lua_State* L)
{
- 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());
+ m_task_t task = *((m_task_t*) luaL_checkudata(L, 1, TASK_MODULE_NAME));
+ lua_pushfstring(L, "Task: %p", task);
+ return 1;
}
+/**
+ * \brief Metamethods of both a task table and the userdata inside it.
+ */
+static const luaL_reg task_meta[] = {
+ {"__gc", l_task_gc}, /* will be called only for userdata */
+ {"__tostring", l_task_tostring},
+ {NULL, NULL}
+};
-/*
- *create host resource via workstation_ptask_L07 model [for SimDag]
+/* ********************************************************************************* */
+/* simgrid.host API */
+/* ********************************************************************************* */
+
+/**
+ * \brief Ensures that a value in the stack is a host and returns it.
+ * \param L a Lua state
+ * \param index an index in the Lua stack
+ * \return the C host corresponding to this Lua host
*/
-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)
+static m_host_t sglua_checkhost(lua_State * L, int index)
{
- 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);
-
+ m_host_t *pi, ht;
+ luaL_checktype(L, index, LUA_TTABLE);
+ lua_getfield(L, index, "__simgrid_host");
+ pi = (m_host_t *) luaL_checkudata(L, lua_gettop(L), 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;
}
/**
- * create link resource via workstation_ptask_L07 model [for SimDag]
+ * \brief Returns a host given its name.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (string): name of a host
+ * - Return value (host): the corresponding host
*/
-
-static void create_link_wsL07(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)
+static int l_host_get_by_name(lua_State * L)
{
- 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_wsL07_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());
+ const char *name = luaL_checkstring(L, 1);
+ XBT_DEBUG("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 failed");
+ }
+ 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;
}
-/*
- * add new host to platform hosts list
+/**
+ * \brief Returns the name of a host.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (host): a host
+ * - Return value (string): name of this host
*/
-static int Host_new(lua_State *L)
+static int l_host_get_name(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;
- 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;
+ m_host_t ht = sglua_checkhost(L, 1);
+ lua_pushstring(L, MSG_host_get_name(ht));
+ return 1;
}
/**
- * add link to platform links list
+ * \brief Returns the number of existing hosts.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Return value (number): number of hosts
*/
-static int Link_new(lua_State *L) // (id,bandwidth,latency)
+static int l_host_number(lua_State * L)
{
- 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 = 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;
+ lua_pushnumber(L, MSG_get_host_number());
+ return 1;
}
/**
- * add route to platform routes list
+ * \brief Returns the host given its index.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (number): an index (1 is the first)
+ * - Return value (host): the host at this index
*/
-static int Route_new(lua_State *L) // (src_id,dest_id,links_number,link_table)
+static int l_host_at(lua_State * L)
{
- if(xbt_dynar_is_empty(route_list_d))
- route_list_d = xbt_dynar_new(sizeof(p_route_attr), &xbt_free_ref);
- const char * link_id;
- p_route_attr route = malloc(sizeof(route_attr));
- route->src_id = luaL_checkstring(L,1);
- route->dest_id = luaL_checkstring(L,2);
- route->links_id = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
- lua_pushnil(L);
- while (lua_next(L,3) != 0) {
- link_id = lua_tostring(L, -1);
- xbt_dynar_push(route->links_id, &link_id);
- DEBUG2("index = %f , Link_id = %s \n",lua_tonumber(L, -2),lua_tostring(L, -1));
- lua_pop(L, 1);
- }
- lua_pop(L, 1);
-
- //add route to platform's route list
- xbt_dynar_push(route_list_d,&route);
- return 0;
+ 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;
}
/**
- * set function to process
+ * \brief Returns the host where the current process is located.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Return value (host): the current host
*/
-static int Host_set_function(lua_State *L) //(host,function,nb_args,list_args)
+static int l_host_self(lua_State * L)
{
- // look for the index of host in host_list
- const char *host_id = luaL_checkstring(L,1);
- const char* argument;
- unsigned int i;
- p_host_attr p_host;
-
- xbt_dynar_foreach(host_list_d,i,p_host)
- {
- if(p_host->id == host_id)
- {
- p_host->function = luaL_checkstring(L,2);
- 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;
- }
- }
- ERROR1("Host : %s Not Found !!",host_id);
- return 1;
+ /* -- */
+ m_host_t host = MSG_host_self();
+ lua_newtable(L);
+ /* table */
+ m_host_t* lua_host = (m_host_t*) lua_newuserdata(L, sizeof(m_host_t));
+ /* table ud */
+ *lua_host = host;
+ luaL_getmetatable(L, HOST_MODULE_NAME);
+ /* table ud mt */
+ lua_setmetatable(L, -2);
+ /* table ud */
+ lua_setfield(L, -2, "__simgrid_host");
+ /* table */
+ return 1;
}
-/*
- * surf parse bypass platform
- * through CPU/network Models
+/**
+ * \brief Returns the value of a host property.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (host): a host
+ * - Argument 2 (string): name of the property to get
+ * - Return value (string): the value of this property
*/
-
-static int surf_parse_bypass_platform()
+static int l_host_get_property_value(lua_State * L)
{
- 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(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
- xbt_dynar_foreach(link_list_d,i,p_link)
- {
- 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
- 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> */
-
- surf_add_host_traces();
- surf_set_routes();
- surf_add_link_traces();
-
- return 0; // must return 0 ?!!
-
+ m_host_t ht = sglua_checkhost(L, 1);
+ const char *prop = luaL_checkstring(L, 2);
+ lua_pushstring(L,MSG_host_get_property_value(ht,prop));
+ return 1;
}
/**
+ * \brief Makes the current process sleep for a while.
+ * \param L a Lua state
+ * \return number of values returned to Lua
*
- * surf parse bypass platform
- * through workstation_ptask_L07 Model
+ * - Argument 1 (number): duration of the sleep
*/
-
-
-static int surf_wsL07_parse_bypass_platform()
+static int l_host_sleep(lua_State *L)
{
- 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);
- }
-
- //add Links
- xbt_dynar_foreach(link_list_d,i,p_link)
- {
- create_link_wsL07(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
- 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> */
-
- surf_wsL07_add_traces();
- surf_set_routes();
-
- return 0;
-
+ int time = luaL_checknumber(L, 1);
+ MSG_process_sleep(time);
+ return 0;
}
-/*
- * surf parse bypass application for MSG Module
+
+/**
+ * \brief Destroys a host.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (host): the host to destroy
*/
-static int surf_parse_bypass_application()
+static int l_host_destroy(lua_State *L)
{
- unsigned int i;
- p_host_attr p_host;
- xbt_dynar_foreach(host_list_d,i,p_host)
- {
- if(p_host->function)
- MSG_set_function(p_host->id,p_host->function,p_host->args_list);
- }
- return 0;
+ m_host_t ht = sglua_checkhost(L, 1);
+ __MSG_host_destroy(ht);
+ return 0;
}
+static const luaL_reg host_functions[] = {
+ {"get_by_name", l_host_get_by_name},
+ {"name", l_host_get_name},
+ {"number", l_host_number},
+ {"at", l_host_at},
+ {"self", l_host_self},
+ {"get_prop_value", l_host_get_property_value},
+ {"sleep", l_host_sleep},
+ {"destroy", l_host_destroy},
+ // Bypass XML Methods
+ {"set_function", console_set_function},
+ {"set_property", console_host_set_property},
+ {NULL, NULL}
+};
/**
- * Generate Gras Templates File from lua
+ * \brief Returns a string representation of a host.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (userdata): a host
+ * - Return value (string): a string describing this host
*/
+static int l_host_tostring(lua_State * L)
+{
+ lua_pushfstring(L, "Host :%p", lua_touserdata(L, 1));
+ return 1;
+}
+
+static const luaL_reg host_meta[] = {
+ {"__tostring", l_host_tostring},
+ {0, 0}
+};
+
+/* ********************************************************************************* */
+/* lua_stub_generator functions */
+/* ********************************************************************************* */
xbt_dict_t process_function_set;
xbt_dynar_t process_list;
free(p->host);
}
-static int gras_add_process_function(lua_State *L)
+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;
+ 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);
+
+ XBT_DEBUG("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)
+static int gras_generate(lua_State * L)
{
- const char *project_name = luaL_checkstring(L,1);
+ 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
- */
-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},
- {"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;
-}
+/* ********************************************************************************* */
+/* simgrid.platf API */
+/* ********************************************************************************* */
-static const luaL_reg Host_meta[] = {
- {"__gc", Host_gc},
- {"__tostring", Host_tostring},
- {0,0}
+static const luaL_reg platf_functions[] = {
+ {"open", console_open},
+ {"close", console_close},
+ {"AS_open", console_AS_open},
+ {"AS_close", console_AS_close},
+ {"host_new", console_add_host},
+ {"link_new", console_add_link},
+ {"router_new", console_add_router},
+ {"route_new", console_add_route},
+ {NULL, NULL}
};
-/*
- * Link Methods
- */
-static const luaL_reg Link_methods[] = {
- {"new",Link_new},
- {0,0}
-};
-/*
- * Route Methods
- */
-static const luaL_reg Route_methods[] ={
- {"new",Route_new},
- {0,0}
-};
+/* ********************************************************************************* */
+/* simgrid API */
+/* ********************************************************************************* */
-/*
- * Environment related
+/**
+ * \brief Deploys your application.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (string): name of the deployment file to load
*/
-
-extern lua_State *simgrid_lua_state;
-
-static int run_lua_code(int argc,char **argv) {
- DEBUG1("Run lua code %s",argv[0]);
- 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;
-
- /* Start the co-routine */
- lua_getglobal(L,argv[0]);
- xbt_assert1(lua_isfunction(L,-1),
- "The lua function %s does not seem to exist",argv[0]);
-
- // push arguments onto the stack
- int i;
- for(i=1;i<argc;i++)
- lua_pushstring(L,argv[i]);
-
- // Call the function (in resume)
- xbt_assert2(lua_pcall(L, argc-1, 1, 0) == 0,
- "error running function `%s': %s",argv[0], lua_tostring(L, -1));
-
- /* retrieve result */
- if (lua_isnumber(L, -1)) {
- 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)"));
- return res;
-}
-static int launch_application(lua_State *L) {
- const char * file = luaL_checkstring(L,1);
+static int launch_application(lua_State * L)
+{
+ const char *file = luaL_checkstring(L, 1);
MSG_function_register_default(run_lua_code);
MSG_launch_application(file);
return 0;
}
-#include "simix/simix.h" //FIXME: KILLME when debugging on simix internals become useless
-static int create_environment(lua_State *L) {
- const char *file = luaL_checkstring(L,1);
- DEBUG1("Loading environment file %s",file);
- MSG_create_environment(file);
- smx_host_t *hosts = SIMIX_host_get_table();
- int i;
- for (i=0;i<SIMIX_host_get_number();i++) {
- DEBUG1("We have an host %s", SIMIX_host_get_name(hosts[i]));
- }
+/**
+ * \brief Creates the platform.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (string): name of the platform file to load
+ */
+static int create_environment(lua_State * L)
+{
+ const char *file = luaL_checkstring(L, 1);
+ XBT_DEBUG("Loading environment file %s", file);
+ MSG_create_environment(file);
return 0;
}
-static int debug(lua_State *L) {
- const char *str = luaL_checkstring(L,1);
- DEBUG1("%s",str);
+/**
+ * \brief Prints a log string with debug level.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (string): the text to print
+ */
+static int debug(lua_State * L)
+{
+ const char *str = luaL_checkstring(L, 1);
+ XBT_DEBUG("%s", str);
return 0;
}
-static int info(lua_State *L) {
- const char *str = luaL_checkstring(L,1);
- INFO1("%s",str);
+
+/**
+ * \brief Prints a log string with info level.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (string): the text to print
+ */
+static int info(lua_State * L)
+{
+ const char *str = luaL_checkstring(L, 1);
+ XBT_INFO("%s", str);
return 0;
}
-static int run(lua_State *L) {
+
+/**
+ * \brief Runs your application.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ */
+static int run(lua_State * L)
+{
MSG_main();
return 0;
}
-static int clean(lua_State *L) {
+
+/**
+ * \brief Cleans the simulation.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ */
+static int simgrid_gc(lua_State * L)
+{
MSG_clean();
return 0;
}
-/*
- * Bypass XML Parser
- */
-
/*
* Register platform for MSG
*/
-static int msg_register_platform(lua_State *L)
+static int msg_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;
+ /* Tell Simgrid we dont wanna use its parser */
+ //surf_parse = console_parse_platform;
+ surf_parse_reset_callbacks();
+ MSG_create_environment(NULL);
+ return 0;
}
/*
* Register platform for Simdag
*/
-static int sd_register_platform(lua_State *L)
+static int sd_register_platform(lua_State * L)
{
- surf_parse = surf_wsL07_parse_bypass_platform;
- SD_create_environment(NULL);
- return 0;
+ //surf_parse = console_parse_platform_wsL07;
+ surf_parse_reset_callbacks();
+ SD_create_environment(NULL);
+ return 0;
}
+
/*
* Register platform for gras
*/
-static int gras_register_platform(lua_State *L)
+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;
+ //surf_parse = console_parse_platform;
+ surf_parse_reset_callbacks();
+ gras_create_environment(NULL);
+ return 0;
}
/**
* Register applicaiton for MSG
*/
-static int msg_register_application(lua_State *L)
+static int msg_register_application(lua_State * L)
{
- MSG_function_register_default(run_lua_code);
- surf_parse = surf_parse_bypass_application;
- MSG_launch_application(NULL);
- return 0;
+ MSG_function_register_default(run_lua_code);
+ //surf_parse = console_parse_application;
+ MSG_launch_application(NULL);
+ return 0;
}
/*
* Register application for gras
*/
-static int gras_register_application(lua_State *L)
+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;
+ gras_function_register_default(run_lua_code);
+ //surf_parse = console_parse_application;
+ gras_launch_application(NULL);
+ return 0;
}
-static const luaL_Reg simgrid_funcs[] = {
- { "create_environment", create_environment},
- { "launch_application", launch_application},
- { "debug", debug},
- { "info", info},
- { "run", run},
- { "clean", clean},
- /* short names */
- { "platform", create_environment},
- { "application", launch_application},
- /* methods to bypass XML parser*/
- { "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 }
+
+static const luaL_Reg simgrid_functions[] = {
+ {"create_environment", create_environment},
+ {"launch_application", launch_application},
+ {"debug", debug},
+ {"info", info},
+ {"run", run},
+ /* short names */
+ {"platform", create_environment},
+ {"application", launch_application},
+ /* methods to bypass XML parser */
+ {"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}
};
/* ********************************************************************************* */
-/* module management functions */
+/* module management functions */
/* ********************************************************************************* */
-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 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) {
+/**
+ * \brief Opens the simgrid Lua module.
+ *
+ * This function is called automatically by the Lua interpreter when some
+ * Lua code requires the "simgrid" module.
+ *
+ * \param L the Lua state
+ */
+int luaopen_simgrid(lua_State *L)
+{
+ XBT_DEBUG("luaopen_simgrid *****");
- //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");
+ 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? */
+
+ lua_getglobal(L, "arg");
/* 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 */
- 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_pushliteral(L,"__index");
- lua_pushvalue(L,-3); //dup methods table
- lua_rawset(L,-3); //matatable.__index = methods
- lua_pushliteral(L,"__metatable");
- lua_pushvalue(L,-3); //dup methods table
- 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);
+ 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_assert(lua_isstring(L, -1),
+ "argv[%d] got from lua is no string", argc - 1);
+ xbt_assert(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);
+ XBT_DEBUG("Got command line argument %s from lua", argv[argc - 1]);
+ }
+ }
+ argv[argc--] = NULL;
+
+ /* Initialize the MSG core */
+ MSG_global_init(&argc, argv);
+ XBT_DEBUG("Still %d arguments on command line", argc); // FIXME: update the lua's arg table to reflect the changes from SimGrid
+ }
/* Keep the context mechanism informed of our lua world today */
- simgrid_lua_state = L;
+ sglua_maestro_state = L;
+
+ /* initialize access to my tables by children Lua states */
+ lua_newtable(L);
+ lua_setfield(L, LUA_REGISTRYINDEX, "simgrid.maestro_tables");
+
+ register_c_functions(L);
+
return 1;
}
+
+/**
+ * \brief Returns whether a Lua state is the maestro state.
+ * \param L a Lua state
+ * \return true if this is maestro
+ */
+int sglua_is_maestro(lua_State* L) {
+ return L == sglua_maestro_state;
+}
+
+/**
+ * \brief Returns the maestro state.
+ * \return the maestro Lua state
+ */
+lua_State* sglua_get_maestro(void) {
+ return sglua_maestro_state;
+}
+
+/**
+ * \brief Registers the task functions into the table simgrid.task.
+ *
+ * Also initialize the metatable of the task userdata type.
+ *
+ * \param L a lua state
+ */
+static void register_task_functions(lua_State* L)
+{
+ /* create a table simgrid.task and fill it with task functions */
+ luaL_openlib(L, TASK_MODULE_NAME, task_functions, 0);
+ /* simgrid.task */
+
+ /* create the metatable for tasks, add it to the Lua registry */
+ luaL_newmetatable(L, TASK_MODULE_NAME);
+ /* simgrid.task mt */
+ /* fill the metatable */
+ luaL_openlib(L, NULL, task_meta, 0);
+ /* simgrid.task mt */
+ lua_pushvalue(L, -2);
+ /* simgrid.task mt simgrid.task */
+ /* metatable.__index = simgrid.task
+ * we put the task functions inside the task itself:
+ * this allows to write task:method(args) for
+ * simgrid.task.method(task, args) */
+ lua_setfield(L, -2, "__index");
+ /* simgrid.task mt */
+ lua_pop(L, 2);
+ /* -- */
+}
+
+/**
+ * \brief Registers the host functions into the table simgrid.host.
+ *
+ * Also initialize the metatable of the host userdata type.
+ *
+ * \param L a lua state
+ */
+static void register_host_functions(lua_State* L)
+{
+ /* create a table simgrid.host and fill it with host functions */
+ luaL_openlib(L, HOST_MODULE_NAME, host_functions, 0);
+ /* simgrid.host */
+
+ /* create the metatable for host, add it to the Lua registry */
+ luaL_newmetatable(L, HOST_MODULE_NAME);
+ /* simgrid.host mt */
+ /* fill the metatable */
+ luaL_openlib(L, NULL, host_meta, 0);
+ /* simgrid.host mt */
+ lua_pushvalue(L, -2);
+ /* simgrid.host mt simgrid.host */
+ /* metatable.__index = simgrid.host
+ * we put the host functions inside the host userdata itself:
+ * this allows to write host(args) for
+ * simgrid.host.method(host, args) */
+ // FIXME: cannot work currently, same problem as tasks
+ lua_setfield(L, -2, "__index");
+ /* simgrid.host mt */
+ lua_pop(L, 2);
+ /* -- */
+}
+
+/**
+ * \brief Registers the platform functions into the table simgrid.platf.
+ * \param L a lua state
+ */
+static void register_platf_functions(lua_State* L)
+{
+ luaL_openlib(L, PLATF_MODULE_NAME, platf_functions, 0);
+ /* simgrid.platf */
+ lua_pop(L, 1);
+}
+
+/**
+ * \brief Makes the core functions available to the Lua world.
+ * \param L a Lua world
+ */
+static void register_core_functions(lua_State *L)
+{
+ /* register the core C functions to lua */
+ luaL_register(L, "simgrid", simgrid_functions);
+ /* simgrid */
+
+ /* set a finalizer that cleans simgrid, by adding to the simgrid module a
+ * dummy userdata whose __gc metamethod calls MSG_clean() */
+ lua_newuserdata(L, sizeof(void*));
+ /* simgrid udata */
+ lua_newtable(L);
+ /* simgrid udata mt */
+ lua_pushcfunction(L, simgrid_gc);
+ /* simgrid udata mt simgrid_gc */
+ lua_setfield(L, -2, "__gc");
+ /* simgrid udata mt */
+ lua_setmetatable(L, -2);
+ /* simgrid udata */
+ lua_setfield(L, -2, "__simgrid_loaded");
+ /* simgrid */
+ lua_pop(L, 1);
+ /* -- */
+}
+
+/**
+ * \brief Creates the simgrid module and make it available to Lua.
+ * \param L a Lua world
+ */
+static void register_c_functions(lua_State *L)
+{
+ register_core_functions(L);
+ register_task_functions(L);
+ register_host_functions(L);
+ register_platf_functions(L);
+}
+
+/**
+ * \brief Runs a Lua function as a new simulated process.
+ * \param argc number of arguments of the function
+ * \param argv name of the Lua function and array of its arguments
+ * \return result of the function
+ */
+static int run_lua_code(int argc, char **argv)
+{
+ XBT_DEBUG("Run lua code %s", argv[0]);
+
+ /* create a new state, getting globals from maestro */
+ lua_State *L = sglua_clone_maestro();
+ int res = 1;
+
+ /* start the function */
+ lua_getglobal(L, argv[0]);
+ xbt_assert(lua_isfunction(L, -1),
+ "There is no Lua function with name `%s'", argv[0]);
+
+ /* push arguments onto the stack */
+ int i;
+ for (i = 1; i < argc; i++)
+ lua_pushstring(L, argv[i]);
+
+ /* call the function */
+ _XBT_GNUC_UNUSED int err;
+ err = lua_pcall(L, argc - 1, 1, 0);
+ xbt_assert(err == 0, "Error running function `%s': %s", argv[0],
+ lua_tostring(L, -1));
+
+ /* retrieve result */
+ if (lua_isnumber(L, -1)) {
+ res = lua_tonumber(L, -1);
+ lua_pop(L, 1); /* pop returned value */
+ }
+
+ XBT_DEBUG("Execution of Lua code %s is over", (argv ? argv[0] : "(null)"));
+
+ return res;
+}
