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"
16 #include "bindings/lua/simgrid_lua.h"
17 #include "bindings/lua/lua_state_cloner.h"
19 #include <lua.h> /* Always include this when calling Lua */
20 #include <lauxlib.h> /* Always include this when calling Lua */
21 #include <lualib.h> /* Prototype for luaL_openlibs(), */
24 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
27 * Allow the cluster tag to mess with the parsing buffer.
28 * (this will probably become obsolete once the cluster tag do not mess with the parsing callbacks directly)
31 /* This buffer is used to store the original buffer before substituting it by out own buffer. Useful for the cluster tag */
32 static xbt_dynar_t surfxml_bufferstack_stack = NULL;
33 int surfxml_bufferstack_size = 2048;
35 static char *old_buff = NULL;
37 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack_ptr;
38 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack[1024];
40 void surfxml_bufferstack_push(int new)
43 old_buff = surfxml_bufferstack;
45 xbt_dynar_push(surfxml_bufferstack_stack, &surfxml_bufferstack);
46 surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
50 void surfxml_bufferstack_pop(int new)
53 surfxml_bufferstack = old_buff;
55 free(surfxml_bufferstack);
56 xbt_dynar_pop(surfxml_bufferstack_stack, &surfxml_bufferstack);
64 xbt_dict_t traces_set_list = NULL;
65 xbt_dict_t trace_connect_list_host_avail = NULL;
66 xbt_dict_t trace_connect_list_power = NULL;
67 xbt_dict_t trace_connect_list_link_avail = NULL;
68 xbt_dict_t trace_connect_list_bandwidth = NULL;
69 xbt_dict_t trace_connect_list_latency = NULL;
71 /* ********************************************* */
72 /* TUTORIAL: New TAG */
73 /* This function should be in gpu.c */
74 /* because sg_platf_gpu_add_cb take a staic fct */
75 XBT_PUBLIC(void) gpu_register_callbacks(void){
76 sg_platf_gpu_add_cb(NULL);
78 /* ***************************************** */
80 static int after_config_done;
81 void parse_after_config() {
82 if (!after_config_done) {
85 /* Register classical callbacks */
86 storage_register_callbacks();
87 routing_register_callbacks();
88 gpu_register_callbacks();
90 /* ***************************************** */
91 /* TUTORIAL: New TAG */
92 /* ***************************************** */
93 after_config_done = 1;
97 /* This function acts as a main in the parsing area. */
98 void parse_platform_file(const char *file)
101 int is_lua = (file != NULL && strlen(file) > 3 && file[strlen(file)-3] == 'l' && file[strlen(file)-2] == 'u'
102 && file[strlen(file)-1] == 'a');
105 surf_parse_init_callbacks();
108 /* Check if file extension is "lua". If so, we will use
109 * the lua bindings to parse the platform file (since it is
110 * written in lua). If not, we will use the (old?) XML parser
113 // Get maestro state. In case we're calling Lua from
114 // C only, this will be NULL -- no Lua code has been
115 // executed yet and hence, the SimGrid module has not
117 // NOTE: After executing the lua_pcall() below,
118 // sglua_get_maestro() will not be NULL, since the
119 // SimGrid module was loaded!
120 lua_State* L = sglua_get_maestro();
122 // We may want to remove the task_copy_callback from
123 // the SimGrid module if we're using C code only (this
124 // callback is used for Lua-only code).
125 int remove_callback = FALSE;
128 remove_callback = TRUE;
132 luaL_loadfile(L, file); // This loads the file without executing it.
135 if (lua_pcall(L, 0, 0, 0)) {
136 XBT_ERROR("FATAL ERROR:\n %s: %s\n\n", "Lua call failed. Errormessage:", lua_tostring(L, -1));
137 xbt_die("Lua call failed. See Log");
139 // Without this, task_copy_callback() will try to copy
140 // some tasks -- but these don't exist in case we're using
141 // C. Hence, we need to remove the callback -- we don't
143 if (remove_callback) {
144 MSG_task_set_copy_callback(NULL);
154 /* init the flex parser */
155 surfxml_buffer_stack_stack_ptr = 1;
156 surfxml_buffer_stack_stack[0] = 0;
157 after_config_done = 0;
158 surf_parse_open(file);
160 traces_set_list = xbt_dict_new_homogeneous(NULL);
161 trace_connect_list_host_avail = xbt_dict_new_homogeneous(free);
162 trace_connect_list_power = xbt_dict_new_homogeneous(free);
163 trace_connect_list_link_avail = xbt_dict_new_homogeneous(free);
164 trace_connect_list_bandwidth = xbt_dict_new_homogeneous(free);
165 trace_connect_list_latency = xbt_dict_new_homogeneous(free);
168 if (!surfxml_bufferstack_stack)
169 surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
171 /* Do the actual parsing */
172 parse_status = surf_parse();
175 xbt_dict_free(&trace_connect_list_host_avail);
176 xbt_dict_free(&trace_connect_list_power);
177 xbt_dict_free(&trace_connect_list_link_avail);
178 xbt_dict_free(&trace_connect_list_bandwidth);
179 xbt_dict_free(&trace_connect_list_latency);
180 xbt_dict_free(&traces_set_list);
181 xbt_dict_free(&random_data_list);
182 xbt_dynar_free(&surfxml_bufferstack_stack);
187 surf_parse_error("Parse error in %s", file);