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 "src/surf/cpu_interface.hpp"
13 #include "src/surf/surf_private.h"
14 #include "src/surf/surfxml_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 void sg_platf_trace_connect(sg_platf_trace_connect_cbarg_t trace_connect)
75 xbt_assert(xbt_dict_get_or_null(traces_set_list, trace_connect->trace),
76 "Cannot connect trace %s to %s: trace unknown",
78 trace_connect->element);
80 switch (trace_connect->kind) {
81 case SURF_TRACE_CONNECT_KIND_HOST_AVAIL:
82 xbt_dict_set(trace_connect_list_host_avail,
84 xbt_strdup(trace_connect->element), NULL);
86 case SURF_TRACE_CONNECT_KIND_POWER:
87 xbt_dict_set(trace_connect_list_host_speed, trace_connect->trace,
88 xbt_strdup(trace_connect->element), NULL);
90 case SURF_TRACE_CONNECT_KIND_LINK_AVAIL:
91 xbt_dict_set(trace_connect_list_link_avail,
93 xbt_strdup(trace_connect->element), NULL);
95 case SURF_TRACE_CONNECT_KIND_BANDWIDTH:
96 xbt_dict_set(trace_connect_list_link_bw,
98 xbt_strdup(trace_connect->element), NULL);
100 case SURF_TRACE_CONNECT_KIND_LATENCY:
101 xbt_dict_set(trace_connect_list_link_lat, trace_connect->trace,
102 xbt_strdup(trace_connect->element), NULL);
105 surf_parse_error("Cannot connect trace %s to %s: kind of trace unknown",
106 trace_connect->trace, trace_connect->element);
112 /* ***************************************** */
114 static int after_config_done;
115 void parse_after_config() {
116 if (!after_config_done) {
119 /* Register classical callbacks */
120 storage_register_callbacks();
121 routing_register_callbacks();
123 after_config_done = 1;
127 /* This function acts as a main in the parsing area. */
128 void parse_platform_file(const char *file)
131 int is_lua = (file != NULL && strlen(file) > 3 && file[strlen(file)-3] == 'l' && file[strlen(file)-2] == 'u'
132 && file[strlen(file)-1] == 'a');
135 surf_parse_init_callbacks();
138 /* Check if file extension is "lua". If so, we will use
139 * the lua bindings to parse the platform file (since it is
140 * written in lua). If not, we will use the (old?) XML parser
143 lua_State* L = luaL_newstate();
146 luaL_loadfile(L, file); // This loads the file without executing it.
149 if (lua_pcall(L, 0, 0, 0)) {
150 XBT_ERROR("FATAL ERROR:\n %s: %s\n\n", "Lua call failed. Errormessage:", lua_tostring(L, -1));
151 xbt_die("Lua call failed. See Log");
160 /* init the flex parser */
161 surfxml_buffer_stack_stack_ptr = 1;
162 surfxml_buffer_stack_stack[0] = 0;
163 after_config_done = 0;
164 surf_parse_open(file);
166 traces_set_list = xbt_dict_new_homogeneous(NULL);
167 trace_connect_list_host_avail = xbt_dict_new_homogeneous(free);
168 trace_connect_list_host_speed = xbt_dict_new_homogeneous(free);
169 trace_connect_list_link_avail = xbt_dict_new_homogeneous(free);
170 trace_connect_list_link_bw = xbt_dict_new_homogeneous(free);
171 trace_connect_list_link_lat = xbt_dict_new_homogeneous(free);
174 if (!surfxml_bufferstack_stack)
175 surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
177 /* Do the actual parsing */
178 parse_status = surf_parse();
180 /* connect all traces relative to hosts */
181 xbt_dict_cursor_t cursor = NULL;
182 char *trace_name, *elm;
184 xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
185 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
186 xbt_assert(trace, "Trace %s undefined", trace_name);
188 simgrid::s4u::Host *host = sg_host_by_name(elm);
189 xbt_assert(host, "Host %s undefined", elm);
190 simgrid::surf::Cpu *cpu = host->pimpl_cpu;
192 cpu->set_state_trace(trace);
196 xbt_dict_free(&trace_connect_list_host_avail);
197 xbt_dict_free(&trace_connect_list_host_speed);
198 xbt_dict_free(&trace_connect_list_link_avail);
199 xbt_dict_free(&trace_connect_list_link_bw);
200 xbt_dict_free(&trace_connect_list_link_lat);
201 xbt_dict_free(&traces_set_list);
202 xbt_dynar_free(&surfxml_bufferstack_stack);
207 surf_parse_error("Parse error in %s", file);