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 "src/surf/cpu_interface.hpp"
12 #include "src/surf/network_interface.hpp"
13 #include "src/instr/instr_private.h" // TRACE_start(). FIXME: remove by subscribing tracing to the surf signals
15 #include "src/surf/xml/platf_private.hpp"
19 #include "src/bindings/lua/simgrid_lua.h"
21 #include <lua.h> /* Always include this when calling Lua */
22 #include <lauxlib.h> /* Always include this when calling Lua */
23 #include <lualib.h> /* Prototype for luaL_openlibs(), */
27 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
32 * Allow the cluster tag to mess with the parsing buffer.
33 * (this will probably become obsolete once the cluster tag do not mess with the parsing callbacks directly)
36 /* This buffer is used to store the original buffer before substituting it by out own buffer. Useful for the cluster tag */
37 static xbt_dynar_t surfxml_bufferstack_stack = nullptr;
38 int surfxml_bufferstack_size = 2048;
40 static char *old_buff = nullptr;
42 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack_ptr;
43 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack[1024];
45 void surfxml_bufferstack_push(int new_one)
48 old_buff = surfxml_bufferstack;
50 xbt_dynar_push(surfxml_bufferstack_stack, &surfxml_bufferstack);
51 surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
55 void surfxml_bufferstack_pop(int new_one)
58 surfxml_bufferstack = old_buff;
60 free(surfxml_bufferstack);
61 xbt_dynar_pop(surfxml_bufferstack_stack, &surfxml_bufferstack);
69 xbt_dict_t traces_set_list = nullptr;
70 XBT_PRIVATE xbt_dict_t trace_connect_list_host_avail = nullptr;
71 XBT_PRIVATE xbt_dict_t trace_connect_list_host_speed = nullptr;
72 XBT_PRIVATE xbt_dict_t trace_connect_list_link_avail = nullptr;
73 XBT_PRIVATE xbt_dict_t trace_connect_list_link_bw = nullptr;
74 XBT_PRIVATE xbt_dict_t trace_connect_list_link_lat = nullptr;
76 void sg_platf_trace_connect(sg_platf_trace_connect_cbarg_t trace_connect)
78 xbt_assert(xbt_dict_get_or_null(traces_set_list, trace_connect->trace),
79 "Cannot connect trace %s to %s: trace unknown",
81 trace_connect->element);
83 switch (trace_connect->kind) {
84 case SURF_TRACE_CONNECT_KIND_HOST_AVAIL:
85 xbt_dict_set(trace_connect_list_host_avail,
87 xbt_strdup(trace_connect->element), nullptr);
89 case SURF_TRACE_CONNECT_KIND_SPEED:
90 xbt_dict_set(trace_connect_list_host_speed, trace_connect->trace,
91 xbt_strdup(trace_connect->element), nullptr);
93 case SURF_TRACE_CONNECT_KIND_LINK_AVAIL:
94 xbt_dict_set(trace_connect_list_link_avail,
96 xbt_strdup(trace_connect->element), nullptr);
98 case SURF_TRACE_CONNECT_KIND_BANDWIDTH:
99 xbt_dict_set(trace_connect_list_link_bw,
100 trace_connect->trace,
101 xbt_strdup(trace_connect->element), nullptr);
103 case SURF_TRACE_CONNECT_KIND_LATENCY:
104 xbt_dict_set(trace_connect_list_link_lat, trace_connect->trace,
105 xbt_strdup(trace_connect->element), nullptr);
108 surf_parse_error("Cannot connect trace %s to %s: kind of trace unknown",
109 trace_connect->trace, trace_connect->element);
115 /* ***************************************** */
117 static int after_config_done;
118 void parse_after_config() {
119 if (!after_config_done) {
122 /* Register classical callbacks */
123 storage_register_callbacks();
125 after_config_done = 1;
129 /* This function acts as a main in the parsing area. */
130 void parse_platform_file(const char *file)
133 int len = (file == nullptr ? 0 : strlen(file));
134 int is_lua = (file != nullptr && len > 3 && file[len - 3] == 'l' && file[len - 2] == 'u' && file[len - 1] == 'a');
140 /* Check if file extension is "lua". If so, we will use
141 * the lua bindings to parse the platform file (since it is
142 * written in lua). If not, we will use the (old?) XML parser
145 lua_State* L = luaL_newstate();
148 luaL_loadfile(L, file); // This loads the file without executing it.
151 if (lua_pcall(L, 0, 0, 0)) {
152 XBT_ERROR("FATAL ERROR:\n %s: %s\n\n", "Lua call failed. Error message:", lua_tostring(L, -1));
153 xbt_die("Lua call failed. See Log");
163 /* init the flex parser */
164 surfxml_buffer_stack_stack_ptr = 1;
165 surfxml_buffer_stack_stack[0] = 0;
166 after_config_done = 0;
167 surf_parse_open(file);
169 traces_set_list = xbt_dict_new_homogeneous(nullptr);
170 trace_connect_list_host_avail = xbt_dict_new_homogeneous(free);
171 trace_connect_list_host_speed = xbt_dict_new_homogeneous(free);
172 trace_connect_list_link_avail = xbt_dict_new_homogeneous(free);
173 trace_connect_list_link_bw = xbt_dict_new_homogeneous(free);
174 trace_connect_list_link_lat = xbt_dict_new_homogeneous(free);
177 if (!surfxml_bufferstack_stack)
178 surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), nullptr);
180 /* Do the actual parsing */
181 parse_status = surf_parse();
183 /* connect all traces relative to hosts */
184 xbt_dict_cursor_t cursor = nullptr;
185 char *trace_name, *elm;
187 xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
188 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
189 xbt_assert(trace, "Trace %s undefined", trace_name);
191 simgrid::s4u::Host *host = sg_host_by_name(elm);
192 xbt_assert(host, "Host %s undefined", elm);
193 simgrid::surf::Cpu *cpu = host->pimpl_cpu;
195 cpu->setStateTrace(trace);
197 xbt_dict_foreach(trace_connect_list_host_speed, cursor, trace_name, elm) {
198 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
199 xbt_assert(trace, "Trace %s undefined", trace_name);
201 simgrid::s4u::Host *host = sg_host_by_name(elm);
202 xbt_assert(host, "Host %s undefined", elm);
203 simgrid::surf::Cpu *cpu = host->pimpl_cpu;
205 cpu->setSpeedTrace(trace);
207 xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
208 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
209 xbt_assert(trace, "Trace %s undefined", trace_name);
210 sg_link_t link = simgrid::s4u::Link::byName(elm);
211 xbt_assert(link, "Link %s undefined", elm);
212 link->setStateTrace(trace);
215 xbt_dict_foreach(trace_connect_list_link_bw, cursor, trace_name, elm) {
216 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
217 xbt_assert(trace, "Trace %s undefined", trace_name);
218 sg_link_t link = simgrid::s4u::Link::byName(elm);
219 xbt_assert(link, "Link %s undefined", elm);
220 link->setBandwidthTrace(trace);
223 xbt_dict_foreach(trace_connect_list_link_lat, cursor, trace_name, elm) {
224 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
225 xbt_assert(trace, "Trace %s undefined", trace_name);
226 sg_link_t link = simgrid::s4u::Link::byName(elm);
227 xbt_assert(link, "Link %s undefined", elm);
228 link->setLatencyTrace(trace);
232 xbt_dict_free(&trace_connect_list_host_avail);
233 xbt_dict_free(&trace_connect_list_host_speed);
234 xbt_dict_free(&trace_connect_list_link_avail);
235 xbt_dict_free(&trace_connect_list_link_bw);
236 xbt_dict_free(&trace_connect_list_link_lat);
237 xbt_dict_free(&traces_set_list);
238 xbt_dynar_free(&surfxml_bufferstack_stack);
243 surf_parse_error("Parse error in %s", file);