1 /* Copyright (c) 2006-2015. The SimGrid Team.
2 * All rights reserved. */
4 /* This program is free software; you can redistribute it and/or modify it
5 * under the terms of the license (GNU LGPL) which comes with this package. */
11 #include "simgrid/platf.h"
12 #include "surf/surfxml_parse.h"
13 #include "surf/surf_private.h"
14 #include "bindings/lua/simgrid_lua.h"
15 #include "bindings/lua/lua_state_cloner.h"
17 #include <lua.h> /* Always include this when calling Lua */
18 #include <lauxlib.h> /* Always include this when calling Lua */
19 #include <lualib.h> /* Prototype for luaL_openlibs(), */
21 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
24 * Allow the cluster tag to mess with the parsing buffer.
25 * (this will probably become obsolete once the cluster tag do not mess with the parsing callbacks directly)
28 /* This buffer is used to store the original buffer before substituting it by out own buffer. Useful for the cluster tag */
29 static xbt_dynar_t surfxml_bufferstack_stack = NULL;
30 int surfxml_bufferstack_size = 2048;
32 static char *old_buff = NULL;
34 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack_ptr;
35 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack[1024];
37 void surfxml_bufferstack_push(int new)
40 old_buff = surfxml_bufferstack;
42 xbt_dynar_push(surfxml_bufferstack_stack, &surfxml_bufferstack);
43 surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
47 void surfxml_bufferstack_pop(int new)
50 surfxml_bufferstack = old_buff;
52 free(surfxml_bufferstack);
53 xbt_dynar_pop(surfxml_bufferstack_stack, &surfxml_bufferstack);
61 xbt_dict_t traces_set_list = NULL;
62 xbt_dict_t trace_connect_list_host_avail = NULL;
63 xbt_dict_t trace_connect_list_power = NULL;
64 xbt_dict_t trace_connect_list_link_avail = NULL;
65 xbt_dict_t trace_connect_list_bandwidth = NULL;
66 xbt_dict_t trace_connect_list_latency = NULL;
68 /* ********************************************* */
69 /* TUTORIAL: New TAG */
70 /* This function should be in gpu.c */
71 /* because sg_platf_gpu_add_cb take a staic fct */
72 XBT_PUBLIC(void) gpu_register_callbacks(void){
73 sg_platf_gpu_add_cb(NULL);
75 /* ***************************************** */
77 static int after_config_done;
78 void parse_after_config() {
79 if (!after_config_done) {
82 /* Register classical callbacks */
83 storage_register_callbacks();
84 routing_register_callbacks();
85 gpu_register_callbacks();
87 /* ***************************************** */
88 /* TUTORIAL: New TAG */
89 /* ***************************************** */
90 after_config_done = 1;
94 /* This function acts as a main in the parsing area. */
95 void parse_platform_file(const char *file)
97 int is_lua = (file != NULL && strlen(file) > 3 && file[strlen(file)-3] == 'l' && file[strlen(file)-2] == 'u'
98 && file[strlen(file)-1] == 'a');
100 surf_parse_init_callbacks();
102 /* Check if file extension is "lua". If so, we will use
103 * the lua bindings to parse the platform file (since it is
104 * written in lua). If not, we will use the (old?) XML parser
107 // Get maestro state. In case we're calling Lua from
108 // C only, this will be NULL -- no Lua code has been
109 // executed yet and hence, the SimGrid module has not
111 // NOTE: After executing the lua_pcall() below,
112 // sglua_get_maestro() will not be NULL, since the
113 // SimGrid module was loaded!
114 lua_State* L = sglua_get_maestro();
116 // We may want to remove the task_copy_callback from
117 // the SimGrid module if we're using C code only (this
118 // callback is used for Lua-only code).
119 int remove_callback = FALSE;
122 remove_callback = TRUE;
126 luaL_loadfile(L, file); // This loads the file without executing it.
129 if (lua_pcall(L, 0, 0, 0)) {
130 XBT_ERROR("FATAL ERROR:\n %s: %s\n\n", "Lua call failed. Errormessage:", lua_tostring(L, -1));
131 xbt_die("Lua call failed. See Log");
133 // Without this, task_copy_callback() will try to copy
134 // some tasks -- but these don't exist in case we're using
135 // C. Hence, we need to remove the callback -- we don't
137 if (remove_callback) {
138 MSG_task_set_copy_callback(NULL);
142 else { // Use XML parser
146 /* init the flex parser */
147 surfxml_buffer_stack_stack_ptr = 1;
148 surfxml_buffer_stack_stack[0] = 0;
149 after_config_done = 0;
150 surf_parse_open(file);
152 traces_set_list = xbt_dict_new_homogeneous(NULL);
153 trace_connect_list_host_avail = xbt_dict_new_homogeneous(free);
154 trace_connect_list_power = xbt_dict_new_homogeneous(free);
155 trace_connect_list_link_avail = xbt_dict_new_homogeneous(free);
156 trace_connect_list_bandwidth = xbt_dict_new_homogeneous(free);
157 trace_connect_list_latency = xbt_dict_new_homogeneous(free);
160 if (!surfxml_bufferstack_stack)
161 surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
163 /* Do the actual parsing */
164 parse_status = surf_parse();
167 xbt_dict_free(&trace_connect_list_host_avail);
168 xbt_dict_free(&trace_connect_list_power);
169 xbt_dict_free(&trace_connect_list_link_avail);
170 xbt_dict_free(&trace_connect_list_bandwidth);
171 xbt_dict_free(&trace_connect_list_latency);
172 xbt_dict_free(&traces_set_list);
173 xbt_dict_free(&random_data_list);
174 xbt_dynar_free(&surfxml_bufferstack_stack);
179 surf_parse_error("Parse error in %s", file);