-/* Copyright (c) 2006-2014. The SimGrid Team.
+/* Copyright (c) 2006-2015. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include "xbt/dict.h"
#include "simgrid/platf.h"
#include "surf/surfxml_parse.h"
-#include "surf/surf_private.h"
+#include "src/surf/surf_private.h"
+
+#ifdef HAVE_LUA
+#include "src/bindings/lua/simgrid_lua.h"
+#include "src/bindings/lua/lua_state_cloner.h"
+
+#include <lua.h> /* Always include this when calling Lua */
+#include <lauxlib.h> /* Always include this when calling Lua */
+#include <lualib.h> /* Prototype for luaL_openlibs(), */
+#endif
XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack_ptr;
XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack[1024];
-
void surfxml_bufferstack_push(int new)
{
if (!new)
}
/* ***************************************** */
+static int after_config_done;
+void parse_after_config() {
+ if (!after_config_done) {
+ TRACE_start();
+
+ /* Register classical callbacks */
+ storage_register_callbacks();
+ routing_register_callbacks();
+ gpu_register_callbacks();
+
+ /* ***************************************** */
+ /* TUTORIAL: New TAG */
+ /* ***************************************** */
+ after_config_done = 1;
+ }
+}
/* This function acts as a main in the parsing area. */
void parse_platform_file(const char *file)
{
- int parse_status;
+#ifdef HAVE_LUA
+ int is_lua = (file != NULL && strlen(file) > 3 && file[strlen(file)-3] == 'l' && file[strlen(file)-2] == 'u'
+ && file[strlen(file)-1] == 'a');
+#endif
surf_parse_init_callbacks();
- /* Register classical callbacks */
- storage_register_callbacks();
- routing_register_callbacks();
-
- /* ***************************************** */
- /* TUTORIAL: New TAG */
- gpu_register_callbacks();
- /* ***************************************** */
-
- /* init the flex parser */
- surfxml_buffer_stack_stack_ptr = 1;
- surfxml_buffer_stack_stack[0] = 0;
-
- surf_parse_open(file);
-
- /* Init my data */
- if (!surfxml_bufferstack_stack)
- surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
-
- traces_set_list = xbt_dict_new_homogeneous(NULL);
- trace_connect_list_host_avail = xbt_dict_new_homogeneous(free);
- trace_connect_list_power = xbt_dict_new_homogeneous(free);
- trace_connect_list_link_avail = xbt_dict_new_homogeneous(free);
- trace_connect_list_bandwidth = xbt_dict_new_homogeneous(free);
- trace_connect_list_latency = xbt_dict_new_homogeneous(free);
-
- /* Do the actual parsing */
- parse_status = surf_parse();
-
- /* Free my data */
- xbt_dict_free(&trace_connect_list_host_avail);
- xbt_dict_free(&trace_connect_list_power);
- xbt_dict_free(&trace_connect_list_link_avail);
- xbt_dict_free(&trace_connect_list_bandwidth);
- xbt_dict_free(&trace_connect_list_latency);
- xbt_dict_free(&traces_set_list);
- xbt_dict_free(&random_data_list);
- xbt_dynar_free(&surfxml_bufferstack_stack);
-
- /* Stop the flex parser */
- surf_parse_close();
- if (parse_status)
- surf_parse_error("Parse error in %s", file);
-}
+#ifdef HAVE_LUA
+ /* Check if file extension is "lua". If so, we will use
+ * the lua bindings to parse the platform file (since it is
+ * written in lua). If not, we will use the (old?) XML parser
+ */
+ if (is_lua) {
+ // Get maestro state. In case we're calling Lua from
+ // C only, this will be NULL -- no Lua code has been
+ // executed yet and hence, the SimGrid module has not
+ // yet been loaded.
+ // NOTE: After executing the lua_pcall() below,
+ // sglua_get_maestro() will not be NULL, since the
+ // SimGrid module was loaded!
+ lua_State* L = sglua_get_maestro();
+
+ // We may want to remove the task_copy_callback from
+ // the SimGrid module if we're using C code only (this
+ // callback is used for Lua-only code).
+ int remove_callback = FALSE;
+ if (L == NULL) {
+ L = luaL_newstate();
+ remove_callback = TRUE;
+ }
+ luaL_openlibs(L);
+
+ luaL_loadfile(L, file); // This loads the file without executing it.
+
+ /* Run the script */
+ if (lua_pcall(L, 0, 0, 0)) {
+ XBT_ERROR("FATAL ERROR:\n %s: %s\n\n", "Lua call failed. Errormessage:", lua_tostring(L, -1));
+ xbt_die("Lua call failed. See Log");
+ }
+ // Without this, task_copy_callback() will try to copy
+ // some tasks -- but these don't exist in case we're using
+ // C. Hence, we need to remove the callback -- we don't
+ // want to segfault.
+ if (remove_callback) {
+ MSG_task_set_copy_callback(NULL);
+ }
+
+ }
+ else
+#endif
+ { // Use XML parser
+
+ int parse_status;
+
+ /* init the flex parser */
+ surfxml_buffer_stack_stack_ptr = 1;
+ surfxml_buffer_stack_stack[0] = 0;
+ after_config_done = 0;
+ surf_parse_open(file);
+
+ traces_set_list = xbt_dict_new_homogeneous(NULL);
+ trace_connect_list_host_avail = xbt_dict_new_homogeneous(free);
+ trace_connect_list_power = xbt_dict_new_homogeneous(free);
+ trace_connect_list_link_avail = xbt_dict_new_homogeneous(free);
+ trace_connect_list_bandwidth = xbt_dict_new_homogeneous(free);
+ trace_connect_list_latency = xbt_dict_new_homogeneous(free);
+
+ /* Init my data */
+ if (!surfxml_bufferstack_stack)
+ surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
+
+ /* Do the actual parsing */
+ parse_status = surf_parse();
+
+ /* Free my data */
+ xbt_dict_free(&trace_connect_list_host_avail);
+ xbt_dict_free(&trace_connect_list_power);
+ xbt_dict_free(&trace_connect_list_link_avail);
+ xbt_dict_free(&trace_connect_list_bandwidth);
+ xbt_dict_free(&trace_connect_list_latency);
+ xbt_dict_free(&traces_set_list);
+ xbt_dict_free(&random_data_list);
+ xbt_dynar_free(&surfxml_bufferstack_stack);
+
+ surf_parse_close();
+
+ if (parse_status)
+ surf_parse_error("Parse error in %s", file);
+ }
+
+
+}
