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/network_interface.hpp"
17 #include "src/bindings/lua/simgrid_lua.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(), */
25 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
28 * Allow the cluster tag to mess with the parsing buffer.
29 * (this will probably become obsolete once the cluster tag do not mess with the parsing callbacks directly)
32 /* This buffer is used to store the original buffer before substituting it by out own buffer. Useful for the cluster tag */
33 static xbt_dynar_t surfxml_bufferstack_stack = NULL;
34 int surfxml_bufferstack_size = 2048;
36 static char *old_buff = NULL;
38 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack_ptr;
39 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack[1024];
41 void surfxml_bufferstack_push(int new_one)
44 old_buff = surfxml_bufferstack;
46 xbt_dynar_push(surfxml_bufferstack_stack, &surfxml_bufferstack);
47 surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
51 void surfxml_bufferstack_pop(int new_one)
54 surfxml_bufferstack = old_buff;
56 free(surfxml_bufferstack);
57 xbt_dynar_pop(surfxml_bufferstack_stack, &surfxml_bufferstack);
65 xbt_dict_t traces_set_list = NULL;
66 XBT_PRIVATE xbt_dict_t trace_connect_list_host_avail = NULL;
67 XBT_PRIVATE xbt_dict_t trace_connect_list_host_speed = NULL;
68 XBT_PRIVATE xbt_dict_t trace_connect_list_link_avail = NULL;
69 XBT_PRIVATE xbt_dict_t trace_connect_list_link_bw = NULL;
70 XBT_PRIVATE xbt_dict_t trace_connect_list_link_lat = NULL;
72 void sg_platf_trace_connect(sg_platf_trace_connect_cbarg_t trace_connect)
74 xbt_assert(xbt_dict_get_or_null(traces_set_list, trace_connect->trace),
75 "Cannot connect trace %s to %s: trace unknown",
77 trace_connect->element);
79 switch (trace_connect->kind) {
80 case SURF_TRACE_CONNECT_KIND_HOST_AVAIL:
81 xbt_dict_set(trace_connect_list_host_avail,
83 xbt_strdup(trace_connect->element), NULL);
85 case SURF_TRACE_CONNECT_KIND_SPEED:
86 xbt_dict_set(trace_connect_list_host_speed, trace_connect->trace,
87 xbt_strdup(trace_connect->element), NULL);
89 case SURF_TRACE_CONNECT_KIND_LINK_AVAIL:
90 xbt_dict_set(trace_connect_list_link_avail,
92 xbt_strdup(trace_connect->element), NULL);
94 case SURF_TRACE_CONNECT_KIND_BANDWIDTH:
95 xbt_dict_set(trace_connect_list_link_bw,
97 xbt_strdup(trace_connect->element), NULL);
99 case SURF_TRACE_CONNECT_KIND_LATENCY:
100 xbt_dict_set(trace_connect_list_link_lat, trace_connect->trace,
101 xbt_strdup(trace_connect->element), NULL);
104 surf_parse_error("Cannot connect trace %s to %s: kind of trace unknown",
105 trace_connect->trace, trace_connect->element);
111 /* ***************************************** */
113 static int after_config_done;
114 void parse_after_config() {
115 if (!after_config_done) {
118 /* Register classical callbacks */
119 storage_register_callbacks();
120 routing_register_callbacks();
122 after_config_done = 1;
126 /* This function acts as a main in the parsing area. */
127 void parse_platform_file(const char *file)
130 int is_lua = (file != NULL && strlen(file) > 3 && file[strlen(file)-3] == 'l' && file[strlen(file)-2] == 'u'
131 && file[strlen(file)-1] == 'a');
134 surf_parse_init_callbacks();
137 /* Check if file extension is "lua". If so, we will use
138 * the lua bindings to parse the platform file (since it is
139 * written in lua). If not, we will use the (old?) XML parser
142 lua_State* L = luaL_newstate();
145 luaL_loadfile(L, file); // This loads the file without executing it.
148 if (lua_pcall(L, 0, 0, 0)) {
149 XBT_ERROR("FATAL ERROR:\n %s: %s\n\n", "Lua call failed. Errormessage:", lua_tostring(L, -1));
150 xbt_die("Lua call failed. See Log");
159 /* init the flex parser */
160 surfxml_buffer_stack_stack_ptr = 1;
161 surfxml_buffer_stack_stack[0] = 0;
162 after_config_done = 0;
163 surf_parse_open(file);
165 traces_set_list = xbt_dict_new_homogeneous(NULL);
166 trace_connect_list_host_avail = xbt_dict_new_homogeneous(free);
167 trace_connect_list_host_speed = xbt_dict_new_homogeneous(free);
168 trace_connect_list_link_avail = xbt_dict_new_homogeneous(free);
169 trace_connect_list_link_bw = xbt_dict_new_homogeneous(free);
170 trace_connect_list_link_lat = xbt_dict_new_homogeneous(free);
173 if (!surfxml_bufferstack_stack)
174 surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), NULL);
176 /* Do the actual parsing */
177 parse_status = surf_parse();
179 /* connect all traces relative to hosts */
180 xbt_dict_cursor_t cursor = NULL;
181 char *trace_name, *elm;
183 xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
184 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
185 xbt_assert(trace, "Trace %s undefined", trace_name);
187 simgrid::s4u::Host *host = sg_host_by_name(elm);
188 xbt_assert(host, "Host %s undefined", elm);
189 simgrid::surf::Cpu *cpu = host->pimpl_cpu;
191 cpu->set_state_trace(trace);
193 xbt_dict_foreach(trace_connect_list_host_speed, cursor, trace_name, elm) {
194 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
195 xbt_assert(trace, "Trace %s undefined", trace_name);
197 simgrid::s4u::Host *host = sg_host_by_name(elm);
198 xbt_assert(host, "Host %s undefined", elm);
199 simgrid::surf::Cpu *cpu = host->pimpl_cpu;
201 cpu->set_speed_trace(trace);
203 xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
204 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
205 xbt_assert(trace, "Trace %s undefined", trace_name);
206 Link *link = Link::byName(elm);
207 xbt_assert(link, "Link %s undefined", elm);
208 link->set_state_trace(trace);
211 xbt_dict_foreach(trace_connect_list_link_bw, cursor, trace_name, elm) {
212 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
213 xbt_assert(trace, "Trace %s undefined", trace_name);
214 Link *link = Link::byName(elm);
215 xbt_assert(link, "Link %s undefined", elm);
216 link->set_bandwidth_trace(trace);
219 xbt_dict_foreach(trace_connect_list_link_lat, cursor, trace_name, elm) {
220 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
221 xbt_assert(trace, "Trace %s undefined", trace_name);
222 Link *link = Link::byName(elm);
223 xbt_assert(link, "Link %s undefined", elm);
224 link->set_latency_trace(trace);
228 xbt_dict_free(&trace_connect_list_host_avail);
229 xbt_dict_free(&trace_connect_list_host_speed);
230 xbt_dict_free(&trace_connect_list_link_avail);
231 xbt_dict_free(&trace_connect_list_link_bw);
232 xbt_dict_free(&trace_connect_list_link_lat);
233 xbt_dict_free(&traces_set_list);
234 xbt_dynar_free(&surfxml_bufferstack_stack);
239 surf_parse_error("Parse error in %s", file);