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. */
7 #include "src/instr/instr_private.h" // TRACE_start(). FIXME: remove by subscribing tracing to the surf signals
8 #include "src/surf/cpu_interface.hpp"
9 #include "src/surf/network_interface.hpp"
16 #include "src/surf/xml/platf_private.hpp"
20 #include "src/bindings/lua/simgrid_lua.h"
22 #include <lua.h> /* Always include this when calling Lua */
23 #include <lauxlib.h> /* Always include this when calling Lua */
24 #include <lualib.h> /* Prototype for luaL_openlibs(), */
28 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
33 * Allow the cluster tag to mess with the parsing buffer.
34 * (this will probably become obsolete once the cluster tag do not mess with the parsing callbacks directly)
37 /* This buffer is used to store the original buffer before substituting it by out own buffer. Useful for the cluster tag */
38 static std::vector<char*> surfxml_bufferstack_stack;
39 int surfxml_bufferstack_size = 2048;
41 static char *old_buff = nullptr;
43 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack_ptr;
44 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack[1024];
46 void surfxml_bufferstack_push(int new_one)
49 old_buff = surfxml_bufferstack;
51 surfxml_bufferstack_stack.push_back(surfxml_bufferstack);
52 surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
56 void surfxml_bufferstack_pop(int new_one)
59 surfxml_bufferstack = old_buff;
61 free(surfxml_bufferstack);
62 surfxml_bufferstack = surfxml_bufferstack_stack.back();
63 surfxml_bufferstack_stack.pop_back();
71 xbt_dict_t traces_set_list = nullptr;
72 XBT_PRIVATE xbt_dict_t trace_connect_list_host_avail = nullptr;
73 XBT_PRIVATE xbt_dict_t trace_connect_list_host_speed = nullptr;
74 XBT_PRIVATE xbt_dict_t trace_connect_list_link_avail = nullptr;
75 XBT_PRIVATE xbt_dict_t trace_connect_list_link_bw = nullptr;
76 XBT_PRIVATE xbt_dict_t trace_connect_list_link_lat = nullptr;
78 void sg_platf_trace_connect(sg_platf_trace_connect_cbarg_t trace_connect)
80 xbt_assert(xbt_dict_get_or_null(traces_set_list, trace_connect->trace),
81 "Cannot connect trace %s to %s: trace unknown",
83 trace_connect->element);
85 switch (trace_connect->kind) {
86 case SURF_TRACE_CONNECT_KIND_HOST_AVAIL:
87 xbt_dict_set(trace_connect_list_host_avail,
89 xbt_strdup(trace_connect->element), nullptr);
91 case SURF_TRACE_CONNECT_KIND_SPEED:
92 xbt_dict_set(trace_connect_list_host_speed, trace_connect->trace,
93 xbt_strdup(trace_connect->element), nullptr);
95 case SURF_TRACE_CONNECT_KIND_LINK_AVAIL:
96 xbt_dict_set(trace_connect_list_link_avail,
98 xbt_strdup(trace_connect->element), nullptr);
100 case SURF_TRACE_CONNECT_KIND_BANDWIDTH:
101 xbt_dict_set(trace_connect_list_link_bw,
102 trace_connect->trace,
103 xbt_strdup(trace_connect->element), nullptr);
105 case SURF_TRACE_CONNECT_KIND_LATENCY:
106 xbt_dict_set(trace_connect_list_link_lat, trace_connect->trace,
107 xbt_strdup(trace_connect->element), nullptr);
110 surf_parse_error("Cannot connect trace %s to %s: kind of trace unknown",
111 trace_connect->trace, trace_connect->element);
117 /* ***************************************** */
119 static int after_config_done;
120 void parse_after_config() {
121 if (!after_config_done) {
124 /* Register classical callbacks */
125 storage_register_callbacks();
127 after_config_done = 1;
131 /* This function acts as a main in the parsing area. */
132 void parse_platform_file(const char *file)
135 int len = (file == nullptr ? 0 : strlen(file));
136 int is_lua = (file != nullptr && len > 3 && file[len - 3] == 'l' && file[len - 2] == 'u' && file[len - 1] == 'a');
142 /* Check if file extension is "lua". If so, we will use
143 * the lua bindings to parse the platform file (since it is
144 * written in lua). If not, we will use the (old?) XML parser
147 lua_State* L = luaL_newstate();
150 luaL_loadfile(L, file); // This loads the file without executing it.
153 if (lua_pcall(L, 0, 0, 0)) {
154 XBT_ERROR("FATAL ERROR:\n %s: %s\n\n", "Lua call failed. Error message:", lua_tostring(L, -1));
155 xbt_die("Lua call failed. See Log");
165 /* init the flex parser */
166 surfxml_buffer_stack_stack_ptr = 1;
167 surfxml_buffer_stack_stack[0] = 0;
168 after_config_done = 0;
169 surf_parse_open(file);
171 traces_set_list = xbt_dict_new_homogeneous(nullptr);
172 trace_connect_list_host_avail = xbt_dict_new_homogeneous(free);
173 trace_connect_list_host_speed = xbt_dict_new_homogeneous(free);
174 trace_connect_list_link_avail = xbt_dict_new_homogeneous(free);
175 trace_connect_list_link_bw = xbt_dict_new_homogeneous(free);
176 trace_connect_list_link_lat = xbt_dict_new_homogeneous(free);
178 /* Do the actual parsing */
179 parse_status = surf_parse();
181 /* connect all traces relative to hosts */
182 xbt_dict_cursor_t cursor = nullptr;
183 char *trace_name, *elm;
185 xbt_dict_foreach(trace_connect_list_host_avail, cursor, trace_name, elm) {
186 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
187 xbt_assert(trace, "Trace %s undefined", trace_name);
189 simgrid::s4u::Host *host = sg_host_by_name(elm);
190 xbt_assert(host, "Host %s undefined", elm);
191 simgrid::surf::Cpu *cpu = host->pimpl_cpu;
193 cpu->setStateTrace(trace);
195 xbt_dict_foreach(trace_connect_list_host_speed, cursor, trace_name, elm) {
196 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
197 xbt_assert(trace, "Trace %s undefined", trace_name);
199 simgrid::s4u::Host *host = sg_host_by_name(elm);
200 xbt_assert(host, "Host %s undefined", elm);
201 simgrid::surf::Cpu *cpu = host->pimpl_cpu;
203 cpu->setSpeedTrace(trace);
205 xbt_dict_foreach(trace_connect_list_link_avail, cursor, trace_name, elm) {
206 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
207 xbt_assert(trace, "Trace %s undefined", trace_name);
208 sg_link_t link = simgrid::s4u::Link::byName(elm);
209 xbt_assert(link, "Link %s undefined", elm);
210 link->setStateTrace(trace);
213 xbt_dict_foreach(trace_connect_list_link_bw, cursor, trace_name, elm) {
214 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
215 xbt_assert(trace, "Trace %s undefined", trace_name);
216 sg_link_t link = simgrid::s4u::Link::byName(elm);
217 xbt_assert(link, "Link %s undefined", elm);
218 link->setBandwidthTrace(trace);
221 xbt_dict_foreach(trace_connect_list_link_lat, cursor, trace_name, elm) {
222 tmgr_trace_t trace = (tmgr_trace_t) xbt_dict_get_or_null(traces_set_list, trace_name);
223 xbt_assert(trace, "Trace %s undefined", trace_name);
224 sg_link_t link = simgrid::s4u::Link::byName(elm);
225 xbt_assert(link, "Link %s undefined", elm);
226 link->setLatencyTrace(trace);
230 xbt_dict_free(&trace_connect_list_host_avail);
231 xbt_dict_free(&trace_connect_list_host_speed);
232 xbt_dict_free(&trace_connect_list_link_avail);
233 xbt_dict_free(&trace_connect_list_link_bw);
234 xbt_dict_free(&trace_connect_list_link_lat);
235 xbt_dict_free(&traces_set_list);
240 surf_parse_error("Parse error in %s", file);