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.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);
30 * Allow the cluster tag to mess with the parsing buffer.
31 * (this will probably become obsolete once the cluster tag do not mess with the parsing callbacks directly)
34 /* This buffer is used to store the original buffer before substituting it by out own buffer. Useful for the cluster tag */
35 static xbt_dynar_t surfxml_bufferstack_stack = nullptr;
36 int surfxml_bufferstack_size = 2048;
38 static char *old_buff = nullptr;
40 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack_ptr;
41 XBT_IMPORT_NO_EXPORT(unsigned int) surfxml_buffer_stack_stack[1024];
43 void surfxml_bufferstack_push(int new_one)
46 old_buff = surfxml_bufferstack;
48 xbt_dynar_push(surfxml_bufferstack_stack, &surfxml_bufferstack);
49 surfxml_bufferstack = xbt_new0(char, surfxml_bufferstack_size);
53 void surfxml_bufferstack_pop(int new_one)
56 surfxml_bufferstack = old_buff;
58 free(surfxml_bufferstack);
59 xbt_dynar_pop(surfxml_bufferstack_stack, &surfxml_bufferstack);
67 xbt_dict_t traces_set_list = nullptr;
68 XBT_PRIVATE xbt_dict_t trace_connect_list_host_avail = nullptr;
69 XBT_PRIVATE xbt_dict_t trace_connect_list_host_speed = nullptr;
70 XBT_PRIVATE xbt_dict_t trace_connect_list_link_avail = nullptr;
71 XBT_PRIVATE xbt_dict_t trace_connect_list_link_bw = nullptr;
72 XBT_PRIVATE xbt_dict_t trace_connect_list_link_lat = nullptr;
74 void sg_platf_trace_connect(sg_platf_trace_connect_cbarg_t trace_connect)
76 xbt_assert(xbt_dict_get_or_null(traces_set_list, trace_connect->trace),
77 "Cannot connect trace %s to %s: trace unknown",
79 trace_connect->element);
81 switch (trace_connect->kind) {
82 case SURF_TRACE_CONNECT_KIND_HOST_AVAIL:
83 xbt_dict_set(trace_connect_list_host_avail,
85 xbt_strdup(trace_connect->element), nullptr);
87 case SURF_TRACE_CONNECT_KIND_SPEED:
88 xbt_dict_set(trace_connect_list_host_speed, trace_connect->trace,
89 xbt_strdup(trace_connect->element), nullptr);
91 case SURF_TRACE_CONNECT_KIND_LINK_AVAIL:
92 xbt_dict_set(trace_connect_list_link_avail,
94 xbt_strdup(trace_connect->element), nullptr);
96 case SURF_TRACE_CONNECT_KIND_BANDWIDTH:
97 xbt_dict_set(trace_connect_list_link_bw,
99 xbt_strdup(trace_connect->element), nullptr);
101 case SURF_TRACE_CONNECT_KIND_LATENCY:
102 xbt_dict_set(trace_connect_list_link_lat, trace_connect->trace,
103 xbt_strdup(trace_connect->element), nullptr);
106 surf_parse_error("Cannot connect trace %s to %s: kind of trace unknown",
107 trace_connect->trace, trace_connect->element);
113 /* ***************************************** */
115 static int after_config_done;
116 void parse_after_config() {
117 if (!after_config_done) {
120 /* Register classical callbacks */
121 storage_register_callbacks();
122 routing_register_callbacks();
124 after_config_done = 1;
128 /* This function acts as a main in the parsing area. */
129 void parse_platform_file(const char *file)
132 int is_lua = (file != nullptr && strlen(file) > 3 && file[strlen(file)-3] == 'l' && file[strlen(file)-2] == 'u'
133 && file[strlen(file)-1] == 'a');
139 /* Check if file extension is "lua". If so, we will use
140 * the lua bindings to parse the platform file (since it is
141 * written in lua). If not, we will use the (old?) XML parser
144 lua_State* L = luaL_newstate();
147 luaL_loadfile(L, file); // This loads the file without executing it.
150 if (lua_pcall(L, 0, 0, 0)) {
151 XBT_ERROR("FATAL ERROR:\n %s: %s\n\n", "Lua call failed. Errormessage:", lua_tostring(L, -1));
152 xbt_die("Lua call failed. See Log");
161 /* init the flex parser */
162 surfxml_buffer_stack_stack_ptr = 1;
163 surfxml_buffer_stack_stack[0] = 0;
164 after_config_done = 0;
165 surf_parse_open(file);
167 traces_set_list = xbt_dict_new_homogeneous(nullptr);
168 trace_connect_list_host_avail = xbt_dict_new_homogeneous(free);
169 trace_connect_list_host_speed = xbt_dict_new_homogeneous(free);
170 trace_connect_list_link_avail = xbt_dict_new_homogeneous(free);
171 trace_connect_list_link_bw = xbt_dict_new_homogeneous(free);
172 trace_connect_list_link_lat = xbt_dict_new_homogeneous(free);
175 if (!surfxml_bufferstack_stack)
176 surfxml_bufferstack_stack = xbt_dynar_new(sizeof(char *), nullptr);
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 Link *link = 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 Link *link = 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 Link *link = 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);
236 xbt_dynar_free(&surfxml_bufferstack_stack);
241 surf_parse_error("Parse error in %s", file);