-/* 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"
-#define AS_MODULE_NAME "simgrid.AS"
-
-/* ********************************************************************************* */
-/* 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);
+/* SimGrid Lua bindings */
- for (i = 1; i <= top; i++) { /* repeat for each level */
- int t = lua_type(L, i);
- switch (t) {
+#include "simgrid_lua.h"
+#include "lua_state_cloner.h"
+#include "lua_utils.h"
- case LUA_TSTRING: /* strings */
- p += sprintf(p, "`%s'", lua_tostring(L, i));
- break;
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(lua, bindings, "Lua Bindings");
- case LUA_TBOOLEAN: /* booleans */
- p += sprintf(p, lua_toboolean(L, i) ? "true" : "false");
- 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_TNUMBER: /* numbers */
- p += sprintf(p, "%g", lua_tonumber(L, i));
- break;
+static lua_State* sglua_maestro_state;
- case LUA_TTABLE:
- p += sprintf(p, "Table");
- break;
+int luaopen_simgrid(lua_State *L);
+static void register_c_functions(lua_State *L);
+static int run_lua_code(int argc, char **argv);
- 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;
- }
- p += sprintf(p, " "); /* put a separator */
+/**
+ * \brief Like luaL_checkudata, with additional debug logs.
+ *
+ * This function is for debugging purposes only.
+ *
+ * \param L a lua state
+ * \param ud index of the userdata to check in the stack
+ * \param tname key of the metatable of this userdata in the registry
+ */
+static void* my_checkudata(lua_State* L, int ud, const char* tname)
+{
+ XBT_DEBUG("Checking the userdata: ud = %d", ud);
+ sglua_stack_dump("my_checkudata: ", L);
+ void* p = lua_touserdata(L, ud);
+ lua_getfield(L, LUA_REGISTRYINDEX, tname);
+ const void* correct_mt = lua_topointer(L, -1);
+
+ int has_mt = lua_getmetatable(L, ud);
+ XBT_DEBUG("Checking the userdata: has metatable ? %d", has_mt);
+ const void* actual_mt = NULL;
+ if (has_mt) {
+ actual_mt = lua_topointer(L, -1);
+ lua_pop(L, 1);
}
- INFO2("%s%s", msg, buff);
-}
+ XBT_DEBUG("Checking the task's metatable: expected %p, found %p", correct_mt, actual_mt);
+ sglua_stack_dump("my_checkudata: ", L);
-/** @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;
+ if (p == NULL || !lua_getmetatable(L, ud) || !lua_rawequal(L, -1, -2))
+ luaL_typerror(L, ud, tname);
+ lua_pop(L, 2);
+ return p;
}
/* ********************************************************************************* */
-/* 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.
- *
- * @param name Task's name
- *
- * @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.
+ * \brief Creates a new task and leaves it onto the stack.
+ * \param L a Lua state
+ * \return number of values returned to Lua
*
- * @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.
+ * - Argument 1 (string): name of the task
+ * - Argument 2 (number): computation size
+ * - Argument 3 (number): communication size
+ * - Return value (task): the task created
*/
-static int Task_new(lua_State * L)
+static int l_task_new(lua_State* L)
{
- const char *name = luaL_checkstring(L, 1);
+ 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); /* 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_newtable(L);
+ /* 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);
- 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);
+ /* task ctask */
+ lua_setfield(L, -2, "__simgrid_task");
+ /* task */
return 1;
}
-static int Task_get_name(lua_State * L)
+/**
+ * \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 tk = checkTask(L, -1);
- lua_pushstring(L, MSG_task_get_name(tk));
+ m_task_t task = sglua_checktask(L, 1);
+ lua_pushstring(L, MSG_task_get_name(task));
return 1;
}
-static int Task_computation_duration(lua_State * L)
+/**
+ * \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_computation_duration(lua_State* L)
{
- m_task_t tk = checkTask(L, -1);
- lua_pushnumber(L, MSG_task_get_compute_duration(tk));
+ m_task_t task = sglua_checktask(L, 1);
+ lua_pushnumber(L, MSG_task_get_compute_duration(task));
return 1;
}
-static int Task_execute(lua_State * L)
+/**
+ * \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 (number): error code
+ */
+static int l_task_execute(lua_State* L)
{
- m_task_t tk = checkTask(L, -1);
- int res = MSG_task_execute(tk);
+ m_task_t task = sglua_checktask(L, 1);
+ int res = MSG_task_execute(task);
lua_pushnumber(L, res);
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 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
+ */
+static int l_task_send(lua_State* L)
+{
+ 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);
+ }
-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)
+ if (res == 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;
+ lua_pop(L, 1);
+ /* task */
+ }
+ else {
switch (res) {
case MSG_TIMEOUT:
- ERROR0("MSG_task_send failed : Timeout");
+ XBT_DEBUG("MSG_task_send failed : Timeout");
break;
case MSG_TRANSFER_FAILURE:
- ERROR0("MSG_task_send failed : Transfer Failure");
+ XBT_DEBUG("MSG_task_send failed : Transfer Failure");
break;
case MSG_HOST_FAILURE:
- ERROR0("MSG_task_send failed : Host Failure ");
+ XBT_DEBUG("MSG_task_send failed : Host Failure ");
break;
default:
- ERROR0
+ XBT_ERROR
("MSG_task_send failed : Unexpected error , please report this bug");
break;
}
+ }
return 0;
}
-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)
+/**
+ * \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): the task received or nil if the communication
+ * has failed
+ */
+static int l_task_recv(lua_State *L)
+{
+ 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);
+
+ if (res == 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);
+ }
+ else {
switch (res) {
case MSG_TIMEOUT:
- ERROR0("MSG_task_receive failed : Timeout");
+ XBT_DEBUG("MSG_task_receive failed : Timeout");
break;
case MSG_TRANSFER_FAILURE:
- ERROR0("MSG_task_receive failed : Transfer Failure");
+ XBT_DEBUG("MSG_task_receive failed : Transfer Failure");
break;
case MSG_HOST_FAILURE:
- ERROR0("MSG_task_receive failed : Host Failure ");
+ XBT_DEBUG("MSG_task_receive failed : Host Failure ");
break;
default:
- ERROR0
- ("MSG_task_receive failed : Unexpected error , please report this bug");
+ XBT_ERROR("MSG_task_receive failed : Unexpected error , please report this bug");
break;
}
-
+ lua_pushnil(L);
+ /* nil */
+ }
+ /* task/nil */
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 const luaL_reg task_functions[] = {
+ {"new", l_task_new},
+ {"name", l_task_get_name},
+ {"computation_duration", l_task_computation_duration},
+ {"execute", l_task_execute},
+ {"send", l_task_send},
+ {"recv", l_task_recv},
+ {NULL, NULL}
};
-static int Task_gc(lua_State * L)
+/**
+ * \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 int l_task_gc(lua_State* L)
{
- m_task_t tk = checkTask(L, -1);
- if (tk)
- MSG_task_destroy(tk);
+ /* 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;
}
-static int Task_tostring(lua_State * L)
+/**
+ * \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 int l_task_tostring(lua_State* L)
{
- lua_pushfstring(L, "Task :%p", lua_touserdata(L, 1));
+ m_task_t task = *((m_task_t*) luaL_checkudata(L, 1, TASK_MODULE_NAME));
+ lua_pushfstring(L, "Task: %p", task);
return 1;
}
-static const luaL_reg Task_meta[] = {
- {"__gc", Task_gc},
- {"__tostring", Task_tostring},
- {0, 0}
+static const luaL_reg task_meta[] = {
+ {"__gc", l_task_gc},
+ {"__tostring", l_task_tostring},
+ {NULL, NULL}
};
+/* ********************************************************************************* */
+/* simgrid.host API */
+/* ********************************************************************************* */
+
/**
- * Host
+ * \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 m_host_t checkHost(lua_State * L, int index)
+static m_host_t sglua_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);
+ 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;
return ht;
}
-static int Host_get_by_name(lua_State * L)
+/**
+ * \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 int l_host_get_by_name(lua_State * L)
{
const char *name = luaL_checkstring(L, 1);
- DEBUG0("Getting Host from name...");
+ 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 failled");
+ 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));
return 1;
}
-
-static int Host_get_name(lua_State * L)
+/**
+ * \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 l_host_get_name(lua_State * L)
{
- m_host_t ht = checkHost(L, -1);
+ m_host_t ht = sglua_checkhost(L, 1);
lua_pushstring(L, MSG_host_get_name(ht));
return 1;
}
-static int Host_number(lua_State * L)
+/**
+ * \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 l_host_number(lua_State * L)
{
lua_pushnumber(L, MSG_get_host_number());
return 1;
}
-static int Host_at(lua_State * L)
+/**
+ * \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 l_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_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 */
-#include "surf/surf_private.h"
-
-typedef struct t_AS_attr {
- const char *id;
- const char *mode;
-} AS_attr, *p_AS_attr;
-
-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;
-
-} route_attr, *p_route_attr;
-
-//AS : One struct needed
-static p_AS_attr AS;
-
-//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;
-
-
-/*
- * Initialize platform model routing
- */
-static void create_AS(const char *id, const char *mode)
-{
- surf_AS_new(id, mode);
-}
-
-/**
- * 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)
-{
-
- 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);
-
}
/**
- * create link resource via workstation_ptask_L07 model [for SimDag]
- */
-
-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)
-{
- 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());
-}
-
-
-/*
- * init AS
- */
-
-static int AS_new(lua_State * L)
-{
- const char *id;
- const char *mode;
- if (lua_istable(L, 1)) {
- lua_pushstring(L, "id");
- lua_gettable(L, -2);
- id = lua_tostring(L, -1);
- lua_pop(L, 1);
-
- lua_pushstring(L, "mode");
- lua_gettable(L, -2);
- mode = lua_tostring(L, -1);
- lua_pop(L, 1);
- } else {
- ERROR0
- ("Bad Arguments to AS.new, Should be a table with named arguments");
- return -1;
- }
- AS = malloc(sizeof(AS_attr));
- AS->id = id;
- AS->mode = mode;
-
- return 0;
-}
-
-/*
- * add new host to platform hosts list
+ * \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_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;
- 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;
+static int l_host_self(lua_State * L)
+{
+ /* -- */
+ 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;
}
/**
- * add link to platform links list
+ * \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 Link_new(lua_State * L) // (id,bandwidth,latency)
+static int l_host_get_property_value(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;
+ 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;
}
/**
- * add route to platform routes list
+ * \brief Makes the current process sleep for a while.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ *
+ * - Argument 1 (number): duration of the sleep
*/
-static int Route_new(lua_State * L) // (src_id,dest_id,links_number,link_table)
+static int l_host_sleep(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 time = luaL_checknumber(L, 1);
+ MSG_process_sleep(time);
+ return 1;
}
/**
- * set function to process
+ * \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 Host_set_function(lua_State * L) //(host,function,nb_args,list_args)
+static int l_host_destroy(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);
+ m_host_t ht = sglua_checkhost(L, 1);
+ __MSG_host_destroy(ht);
return 1;
}
-/*
- * surf parse bypass platform
- * through CPU/network Models
- */
-
-static int surf_parse_bypass_platform()
-{
- unsigned int i;
- p_host_attr p_host;
- p_link_attr p_link;
- p_route_attr p_route;
-
- // Init routing mode
- create_AS(AS->id, AS->mode);
-
-
- // 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_routing_add_route((char *) p_route->src_id,
- (char *) p_route->dest_id, p_route->links_id);
- }
- /* </platform> */
-
- // Finalize AS
- surf_AS_finalize(AS->id);
-
- // add traces
- surf_add_host_traces();
- surf_add_link_traces();
-
- return 0; // must 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}
+};
/**
+ * \brief Returns a string representation of a host.
+ * \param L a Lua state
+ * \return number of values returned to Lua
*
- * surf parse bypass platform
- * through workstation_ptask_L07 Model
+ * - Argument 1 (userdata): a host
+ * - Return value (string): a string describing this host
*/
-
-
-static int surf_wsL07_parse_bypass_platform()
+static int l_host_tostring(lua_State * L)
{
- unsigned int i;
- p_host_attr p_host;
- p_link_attr p_link;
- p_route_attr p_route;
-
- // Init routing mode
- create_AS(AS->id, AS->mode);
-
- // 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_routing_add_route((char *) p_route->src_id,
- (char *) p_route->dest_id, p_route->links_id);
- }
- /* </platform> */
-
- // Finalize AS
- surf_AS_finalize(AS->id);
- // add traces
- surf_wsL07_add_traces();
-
- return 0;
-}
-
-/*
- * surf parse bypass application for MSG Module
- */
-static int surf_parse_bypass_application()
-{
- 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;
+ lua_pushfstring(L, "Host :%p", lua_touserdata(L, 1));
+ return 1;
}
+static const luaL_reg host_meta[] = {
+ {"__tostring", l_host_tostring},
+ {0, 0}
+};
-/**
- * Generate Gras Templates File from lua
- */
+/* ********************************************************************************* */
+/* lua_stub_generator functions */
+/* ********************************************************************************* */
xbt_dict_t process_function_set;
xbt_dynar_t process_list;
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),
+ 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)
{
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;
-}
-
-static const luaL_reg Host_meta[] = {
- {"__gc", Host_gc},
- {"__tostring", Host_tostring},
- {0, 0}
-};
-
-/*
- * AS Methods
- */
-static const luaL_reg AS_methods[] = {
- {"new", AS_new},
- {0, 0}
-};
-
+/* ********************************************************************************* */
+/* simgrid.platf API */
+/* ********************************************************************************* */
-/*
- * Link Methods
- */
-static const luaL_reg Link_methods[] = {
- {"new", Link_new},
- {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}
};
-/*
- * 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);
return 0;
}
-#include "simix/simix.h" //FIXME: KILLME when debugging on simix internals become useless
+/**
+ * \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);
- DEBUG1("Loading environment file %s", file);
+ XBT_DEBUG("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]));
- }
-
return 0;
}
+/**
+ * \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);
- DEBUG1("%s", str);
+ XBT_DEBUG("%s", str);
return 0;
}
+/**
+ * \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);
- INFO1("%s", str);
+ XBT_INFO("%s", str);
return 0;
}
+/**
+ * \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;
}
+/**
+ * \brief Cleans the simulation.
+ * \param L a Lua state
+ * \return number of values returned to Lua
+ */
static int clean(lua_State * L)
{
MSG_clean();
return 0;
}
-/*
- * Bypass XML Parser
- */
-
/*
* 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;
+ //surf_parse = console_parse_platform;
+ surf_parse_reset_callbacks();
MSG_create_environment(NULL);
return 0;
}
static int sd_register_platform(lua_State * L)
{
- surf_parse = surf_wsL07_parse_bypass_platform;
+ //surf_parse = console_parse_platform_wsL07;
+ surf_parse_reset_callbacks();
SD_create_environment(NULL);
return 0;
}
*/
static int gras_register_platform(lua_State * L)
{
- /* Tell Simgrid we dont wanna use surf parser */
- surf_parse = surf_parse_bypass_platform;
+ //surf_parse = console_parse_platform;
+ surf_parse_reset_callbacks();
gras_create_environment(NULL);
return 0;
}
static int msg_register_application(lua_State * L)
{
MSG_function_register_default(run_lua_code);
- surf_parse = surf_parse_bypass_application;
+ //surf_parse = console_parse_application;
MSG_launch_application(NULL);
return 0;
}
static int gras_register_application(lua_State * L)
{
gras_function_register_default(run_lua_code);
- surf_parse = surf_parse_bypass_application;
+ //surf_parse = console_parse_application;
gras_launch_application(NULL);
return 0;
}
-static const luaL_Reg simgrid_funcs[] = {
+static const luaL_Reg simgrid_functions[] = {
{"create_environment", create_environment},
{"launch_application", launch_application},
{"debug", debug},
};
/* ********************************************************************************* */
-/* 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 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";
+ /* Get the command line arguments from the lua interpreter */
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");
/* 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_isnil(L, -1)) {
done = 1;
} else {
- xbt_assert1(lua_isstring(L, -1),
+ xbt_assert(lua_isstring(L, -1),
"argv[%d] got from lua is no string", argc - 1);
- xbt_assert2(argc < LUA_MAX_ARGS_COUNT,
+ 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);
- DEBUG1("Got command line argument %s from lua", argv[argc - 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);
- DEBUG1("Still %d arguments on command line", argc); // FIXME: update the lua's arg table to reflect the changes from SimGrid
+ 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 */
+ 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 Makes the appropriate Simgrid functions available to the Lua world.
+ * \param L a Lua world
+ */
+void register_c_functions(lua_State *L) {
+
/* register the core C functions to lua */
- luaL_register(L, "simgrid", simgrid_funcs);
+ luaL_register(L, "simgrid", simgrid_functions);
+
/* 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
+ luaL_openlib(L, TASK_MODULE_NAME, task_functions, 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_pushvalue(L, -3); // dup methods table
+ lua_rawset(L, -3); // metatable.__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
+ 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_openlib(L, HOST_MODULE_NAME, host_functions, 0);
luaL_newmetatable(L, HOST_MODULE_NAME);
- luaL_openlib(L, 0, Host_meta, 0);
+ luaL_openlib(L, 0, host_meta, 0);
lua_pushliteral(L, "__index");
lua_pushvalue(L, -3);
lua_rawset(L, -3);
lua_rawset(L, -3);
lua_pop(L, 1);
- /* register the links methods to lua */
- luaL_openlib(L, AS_MODULE_NAME, AS_methods, 0);
- luaL_newmetatable(L, AS_MODULE_NAME);
+ /* register the platform methods to lua */
+ luaL_openlib(L, PLATF_MODULE_NAME, platf_functions, 0);
+ luaL_newmetatable(L, PLATF_MODULE_NAME);
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);
+/**
+ * \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]);
- /*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);
+ lua_State *L = sglua_clone_maestro();
+ int res = 1;
- /* Keep the context mechanism informed of our lua world today */
- simgrid_lua_state = L;
- return 1;
+ /* start the function */
+ lua_getglobal(L, argv[0]);
+ xbt_assert(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 */
+ _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;
}
