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 "src/surf/cpu_interface.hpp"
14 #include "src/surf/surf_private.h"
18 #include "src/bindings/lua/simgrid_lua.h"
20 #include <lua.h> /* Always include this when calling Lua */
21 #include <lauxlib.h> /* Always include this when calling Lua */
22 #include <lualib.h> /* Prototype for luaL_openlibs(), */
26 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
29 * Allow the cluster tag to mess with the parsing buffer.
30 * (this will probably become obsolete once the cluster tag do not mess with the parsing callbacks directly)
33 /* This buffer is used to store the original buffer before substituting it by out own buffer. Useful for the cluster tag */
34 static xbt_dynar_t surfxml_bufferstack_stack = NULL;
35 int surfxml_bufferstack_size = 2048;
37 static char *old_buff = NULL;
39 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack_ptr;
40 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack[1024];
42 void surfxml_bufferstack_push(int new_one)
45 old_buff = surfxml_bufferstack;
47 xbt_dynar_push(surfxml_bufferstack_stack, &surfxml_bufferstack);
48 surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
52 void surfxml_bufferstack_pop(int new_one)
55 surfxml_bufferstack = old_buff;
57 free(surfxml_bufferstack);
58 xbt_dynar_pop(surfxml_bufferstack_stack, &surfxml_bufferstack);
66 xbt_dict_t traces_set_list = NULL;
67 xbt_dict_t trace_connect_list_host_avail = NULL;
68 xbt_dict_t trace_connect_list_host_speed = NULL;
69 xbt_dict_t trace_connect_list_link_avail = NULL;
70 xbt_dict_t trace_connect_list_link_bw = NULL;
71 xbt_dict_t trace_connect_list_link_lat = NULL;
73 /* ***************************************** */
75 static int after_config_done;
76 void parse_after_config() {
77 if (!after_config_done) {
80 /* Register classical callbacks */
81 storage_register_callbacks();
82 routing_register_callbacks();
84 after_config_done = 1;
88 /* This function acts as a main in the parsing area. */
89 void parse_platform_file(const char *file)
92 int is_lua = (file != NULL && strlen(file) > 3 && file[strlen(file)-3] == 'l' && file[strlen(file)-2] == 'u'
93 && file[strlen(file)-1] == 'a');
96 surf_parse_init_callbacks();
99 /* Check if file extension is "lua". If so, we will use
100 * the lua bindings to parse the platform file (since it is
101 * written in lua). If not, we will use the (old?) XML parser
104 lua_State* L = luaL_newstate();
107 luaL_loadfile(L, file); // This loads the file without executing it.
110 if (lua_pcall(L, 0, 0, 0)) {
111 XBT_ERROR("FATAL ERROR:\n %s: %s\n\n", "Lua call failed. Errormessage:", lua_tostring(L, -1));
112 xbt_die("Lua call failed. See Log");
121 /* init the flex parser */
122 surfxml_buffer_stack_stack_ptr = 1;
123 surfxml_buffer_stack_stack[0] = 0;
124 after_config_done = 0;
125 surf_parse_open(file);
127 traces_set_list = xbt_dict_new_homogeneous(NULL);
128 trace_connect_list_host_avail = xbt_dict_new_homogeneous(free);
129 trace_connect_list_host_speed = xbt_dict_new_homogeneous(free);
130 trace_connect_list_link_avail = xbt_dict_new_homogeneous(free);
131 trace_connect_list_link_bw = xbt_dict_new_homogeneous(free);
132 trace_connect_list_link_lat = xbt_dict_new_homogeneous(free);
135 if (!surfxml_bufferstack_stack)
136 surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
138 /* Do the actual parsing */
139 parse_status = surf_parse();
141 /* connect all traces relative to hosts */
142 xbt_dict_cursor_t cursor = NULL;
143 char *trace_name, *elm;
145 xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
146 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
147 xbt_assert(trace, "Trace %s undefined", trace_name);
149 simgrid::s4u::Host *host = sg_host_by_name(elm);
150 xbt_assert(host, "Host %s undefined", elm);
151 simgrid::surf::Cpu *cpu = host->pimpl_cpu;
153 cpu->set_state_trace(trace);
157 xbt_dict_free(&trace_connect_list_host_avail);
158 xbt_dict_free(&trace_connect_list_host_speed);
159 xbt_dict_free(&trace_connect_list_link_avail);
160 xbt_dict_free(&trace_connect_list_link_bw);
161 xbt_dict_free(&trace_connect_list_link_lat);
162 xbt_dict_free(&traces_set_list);
163 xbt_dict_free(&random_data_list);
164 xbt_dynar_free(&surfxml_bufferstack_stack);
169 surf_parse_error("Parse error in %s", file);