1 /* Copyright (c) 2006-2014. 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 "xbt/RngStream.h"
12 #include <xbt/signal.hpp>
13 #include "simgrid/platf_interface.h"
14 #include "surf/surf_routing.h"
15 #include "surf/surf.h"
17 #include "src/simix/smx_private.h"
18 #include "src/surf/platform.hpp"
20 #include "cpu_interface.hpp"
21 #include "host_interface.hpp"
23 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(surf_parse);
28 simgrid::xbt::signal<void(sg_platf_link_cbarg_t)> on_link;
29 simgrid::xbt::signal<void(sg_platf_cluster_cbarg_t)> on_cluster;
30 simgrid::xbt::signal<void(void)> on_postparse;
35 static int surf_parse_models_setup_already_called = 0;
37 /* one RngStream for the platform, to respect some statistic rules */
38 static RngStream sg_platf_rng_stream = NULL;
40 /** Module management function: creates all internal data structures */
41 void sg_platf_init(void) {
44 /** Module management function: frees all internal data structures */
45 void sg_platf_exit(void) {
46 simgrid::surf::on_link.disconnect_all_slots();
47 simgrid::surf::on_cluster.disconnect_all_slots();
48 simgrid::surf::on_postparse.disconnect_all_slots();
50 /* make sure that we will reinit the models while loading the platf once reinited */
51 surf_parse_models_setup_already_called = 0;
54 void sg_platf_new_host(sg_platf_host_cbarg_t host)
56 xbt_assert(! sg_host_by_name(host->id),
57 "Refusing to create a second host named '%s'.", host->id);
59 simgrid::surf::NetCard *net = NULL;
60 simgrid::surf::As* current_routing = routing_get_current();
62 net = routing_add_host(current_routing, host);
64 sg_host_t h = simgrid::s4u::Host::by_name_or_create(host->id);
65 simgrid::surf::Cpu *cpu = surf_cpu_model_pm->createCpu(
74 surf_host_model->createHost(host->id, net, cpu, host->properties)->attach(h);
75 simgrid::s4u::Host::onCreation(*h);
77 if (TRACE_is_enabled() && TRACE_needs_platform())
78 sg_instr_new_host(host);
82 * \brief Add a "router" to the network element list
84 void sg_platf_new_router(sg_platf_router_cbarg_t router)
86 simgrid::surf::As* current_routing = routing_get_current();
88 if (current_routing->p_hierarchy == SURF_ROUTING_NULL)
89 current_routing->p_hierarchy = SURF_ROUTING_BASE;
90 xbt_assert(!xbt_lib_get_or_null(as_router_lib, router->id, ROUTING_ASR_LEVEL),
91 "Reading a router, processing unit \"%s\" already exists",
94 simgrid::surf::NetCard *info = new simgrid::surf::NetCardImpl(
95 xbt_strdup(router->id), -1, SURF_NETWORK_ELEMENT_ROUTER, current_routing);
96 info->setId(current_routing->parsePU(info));
97 xbt_lib_set(as_router_lib, router->id, ROUTING_ASR_LEVEL, (void *) info);
98 XBT_DEBUG("Having set name '%s' id '%d'", router->id, info->getId());
99 simgrid::surf::netcardCreatedCallbacks(info);
101 if (router->coord && strcmp(router->coord, "")) {
105 if (!COORD_ASR_LEVEL)
106 xbt_die ("To use host coordinates, please add --cfg=network/coordinates:yes to your command line");
107 /* Pre-parse the host coordinates */
108 xbt_dynar_t ctn_str = xbt_str_split_str(router->coord, " ");
109 xbt_dynar_t ctn = xbt_dynar_new(sizeof(double),NULL);
110 xbt_dynar_foreach(ctn_str,cursor, str) {
111 double val = atof(str);
112 xbt_dynar_push(ctn,&val);
114 xbt_dynar_shrink(ctn, 0);
115 xbt_dynar_free(&ctn_str);
116 xbt_lib_set(as_router_lib, router->id, COORD_ASR_LEVEL, (void *) ctn);
117 XBT_DEBUG("Having set router coordinates for '%s'",router->id);
120 if (TRACE_is_enabled() && TRACE_needs_platform())
121 sg_instr_new_router(router);
124 void sg_platf_new_link(sg_platf_link_cbarg_t link){
125 simgrid::surf::on_link(link);
128 void sg_platf_new_cluster(sg_platf_cluster_cbarg_t cluster)
130 routing_new_cluster(cluster);
131 simgrid::surf::on_cluster(cluster);
134 void sg_platf_new_storage(sg_platf_storage_cbarg_t storage)
136 xbt_assert(!xbt_lib_get_or_null(storage_lib, storage->id,ROUTING_STORAGE_LEVEL),
137 "Refusing to add a second storage named \"%s\"", storage->id);
139 void* stype = xbt_lib_get_or_null(storage_type_lib, storage->type_id,ROUTING_STORAGE_TYPE_LEVEL);
140 xbt_assert(stype,"No storage type '%s'", storage->type_id);
142 XBT_DEBUG("ROUTING Create a storage name '%s' with type_id '%s' and content '%s'",
147 xbt_lib_set(storage_lib,
149 ROUTING_STORAGE_LEVEL,
150 (void *) xbt_strdup(storage->type_id));
152 // if storage content is not specified use the content of storage_type if any
153 if(!strcmp(storage->content,"") && strcmp(((storage_type_t) stype)->content,"")){
154 storage->content = ((storage_type_t) stype)->content;
155 storage->content_type = ((storage_type_t) stype)->content_type;
156 XBT_DEBUG("For disk '%s' content is empty, inherit the content (of type %s) from storage type '%s' ",
157 storage->id,((storage_type_t) stype)->content_type,
158 ((storage_type_t) stype)->type_id);
161 XBT_DEBUG("SURF storage create resource\n\t\tid '%s'\n\t\ttype '%s' "
162 "\n\t\tmodel '%s' \n\t\tcontent '%s'\n\t\tcontent_type '%s' "
163 "\n\t\tproperties '%p''\n",
165 ((storage_type_t) stype)->model,
166 ((storage_type_t) stype)->type_id,
168 storage->content_type,
169 storage->properties);
171 surf_storage_model->createStorage(storage->id,
172 ((storage_type_t) stype)->type_id,
174 storage->content_type,
178 void sg_platf_new_storage_type(sg_platf_storage_type_cbarg_t storage_type){
180 xbt_assert(!xbt_lib_get_or_null(storage_type_lib, storage_type->id,ROUTING_STORAGE_TYPE_LEVEL),
181 "Reading a storage type, processing unit \"%s\" already exists", storage_type->id);
183 storage_type_t stype = xbt_new0(s_storage_type_t, 1);
184 stype->model = xbt_strdup(storage_type->model);
185 stype->properties = storage_type->properties;
186 stype->content = xbt_strdup(storage_type->content);
187 stype->content_type = xbt_strdup(storage_type->content_type);
188 stype->type_id = xbt_strdup(storage_type->id);
189 stype->size = storage_type->size;
190 stype->model_properties = storage_type->model_properties;
192 XBT_DEBUG("ROUTING Create a storage type id '%s' with model '%s', "
193 "content '%s', and content_type '%s'",
196 storage_type->content,
197 storage_type->content_type);
199 xbt_lib_set(storage_type_lib,
201 ROUTING_STORAGE_TYPE_LEVEL,
204 void sg_platf_new_mstorage(sg_platf_mstorage_cbarg_t mstorage)
207 // mount_t mnt = xbt_new0(s_mount_t, 1);
208 // mnt->id = xbt_strdup(mstorage->type_id);
209 // mnt->name = xbt_strdup(mstorage->name);
212 // XBT_DEBUG("Creata a Mount list for %s",A_surfxml_host_id);
213 // mount_list = xbt_dynar_new(sizeof(char *), NULL);
215 // xbt_dynar_push(mount_list,(void *) mnt);
219 // XBT_DEBUG("ROUTING Mount a storage name '%s' with type_id '%s'",mstorage->name, mstorage->id);
222 static void mount_free(void *p)
224 mount_t mnt = (mount_t) p;
228 void sg_platf_new_mount(sg_platf_mount_cbarg_t mount){
229 // Verification of an existing storage
231 void* storage = xbt_lib_get_or_null(storage_lib, mount->storageId, ROUTING_STORAGE_LEVEL);
233 xbt_assert(storage,"Disk id \"%s\" does not exists", mount->storageId);
235 XBT_DEBUG("ROUTING Mount '%s' on '%s'",mount->storageId, mount->name);
238 mnt.storage = surf_storage_resource_priv(surf_storage_resource_by_name(mount->storageId));
239 mnt.name = xbt_strdup(mount->name);
242 XBT_DEBUG("Create a Mount list for %s",A_surfxml_host_id);
243 mount_list = xbt_dynar_new(sizeof(s_mount_t), mount_free);
245 xbt_dynar_push(mount_list, &mnt);
248 void sg_platf_new_route(sg_platf_route_cbarg_t route)
250 routing_get_current()->parseRoute(route);
253 void sg_platf_new_ASroute(sg_platf_route_cbarg_t ASroute)
255 routing_get_current()->parseASroute(ASroute);
258 void sg_platf_new_bypassRoute(sg_platf_route_cbarg_t bypassRoute)
260 routing_get_current()->parseBypassroute(bypassRoute);
263 void sg_platf_new_bypassASroute(sg_platf_route_cbarg_t bypassASroute)
265 routing_get_current()->parseBypassroute(bypassASroute);
268 void sg_platf_new_process(sg_platf_process_cbarg_t process)
271 xbt_die("Cannot create process without SIMIX.");
273 sg_host_t host = sg_host_by_name(process->host);
275 THROWF(arg_error, 0, "Host '%s' unknown", process->host);
276 xbt_main_func_t parse_code = SIMIX_get_registered_function(process->function);
277 xbt_assert(parse_code, "Function '%s' unknown", process->function);
279 double start_time = process->start_time;
280 double kill_time = process->kill_time;
281 int auto_restart = process->on_failure == SURF_PROCESS_ON_FAILURE_DIE ? 0 : 1;
283 smx_process_arg_t arg = NULL;
284 smx_process_t process_created = NULL;
286 arg = xbt_new0(s_smx_process_arg_t, 1);
287 arg->code = parse_code;
289 arg->hostname = sg_host_get_name(host);
290 arg->argc = process->argc;
291 arg->argv = xbt_new(char *,process->argc);
293 for (i=0; i<process->argc; i++)
294 arg->argv[i] = xbt_strdup(process->argv[i]);
295 arg->name = xbt_strdup(arg->argv[0]);
296 arg->kill_time = kill_time;
297 arg->properties = current_property_set;
298 if (!sg_host_simix(host)->boot_processes) {
299 sg_host_simix(host)->boot_processes = xbt_dynar_new(sizeof(smx_process_arg_t), _SIMIX_host_free_process_arg);
301 xbt_dynar_push_as(sg_host_simix(host)->boot_processes,smx_process_arg_t,arg);
303 if (start_time > SIMIX_get_clock()) {
304 arg = xbt_new0(s_smx_process_arg_t, 1);
305 arg->name = (char*)(process->argv)[0];
306 arg->code = parse_code;
308 arg->hostname = sg_host_get_name(host);
309 arg->argc = process->argc;
310 arg->argv = (char**)(process->argv);
311 arg->kill_time = kill_time;
312 arg->properties = current_property_set;
314 XBT_DEBUG("Process %s(%s) will be started at time %f", arg->name,
315 arg->hostname, start_time);
316 SIMIX_timer_set(start_time, [](void* arg) {
317 SIMIX_process_create_from_wrapper((smx_process_arg_t) arg);
319 } else { // start_time <= SIMIX_get_clock()
320 XBT_DEBUG("Starting Process %s(%s) right now", process->argv[0], sg_host_get_name(host));
322 if (simix_global->create_process_function)
323 process_created = simix_global->create_process_function(
324 (char*)(process->argv)[0],
327 sg_host_get_name(host),
330 (char**)(process->argv),
331 current_property_set,
334 process_created = simcall_process_create((char*)(process->argv)[0], parse_code, NULL, sg_host_get_name(host), kill_time, process->argc,
335 (char**)process->argv, current_property_set,auto_restart);
337 /* verify if process has been created (won't be the case if the host is currently dead, but that's fine) */
338 if (!process_created) {
342 current_property_set = NULL;
345 void sg_platf_route_begin (sg_platf_route_cbarg_t route){
346 route->link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
348 void sg_platf_ASroute_begin (sg_platf_route_cbarg_t ASroute){
349 ASroute->link_list = xbt_dynar_new(sizeof(char *), &xbt_free_ref);
352 void sg_platf_route_end (sg_platf_route_cbarg_t route){
353 sg_platf_new_route(route);
355 void sg_platf_ASroute_end (sg_platf_route_cbarg_t ASroute){
356 sg_platf_new_ASroute(ASroute);
359 void sg_platf_route_add_link (const char* link_id, sg_platf_route_cbarg_t route){
360 char *link_name = xbt_strdup(link_id);
361 xbt_dynar_push(route->link_list, &link_name);
363 void sg_platf_ASroute_add_link (const char* link_id, sg_platf_route_cbarg_t ASroute){
364 char *link_name = xbt_strdup(link_id);
365 xbt_dynar_push(ASroute->link_list, &link_name);
368 void sg_platf_begin() { /* Do nothing: just for symmetry of user code */ }
370 void sg_platf_end() {
371 simgrid::surf::on_postparse();
374 void sg_platf_new_AS_begin(sg_platf_AS_cbarg_t AS)
376 if (!surf_parse_models_setup_already_called) {
377 /* Initialize the surf models. That must be done after we got all config, and before we need the models.
378 * That is, after the last <config> tag, if any, and before the first of cluster|peer|AS|trace|trace_connect
380 * I'm not sure for <trace> and <trace_connect>, there may be a bug here
381 * (FIXME: check it out by creating a file beginning with one of these tags)
382 * but cluster and peer create ASes internally, so putting the code in there is ok.
384 * TODO, There used to be a guard protecting here against
385 * xbt_dynar_length(sg_platf_AS_begin_cb_list) because we don't want to
386 * initialize the models if we are parsing the file to get the deployment.
387 * That could happen if the same file would be used for platf and deploy:
388 * it'd contain AS tags even during the deploy parsing. Removing that guard
389 * would result of the models to get re-inited when parsing for deploy.
390 * Currently using the same file for platform and deployment is broken
391 * however. This guard will have to ba adapted in order to make this feature
394 surf_parse_models_setup_already_called = 1;
395 surf_config_models_setup();
398 routing_AS_begin(AS);
399 if (TRACE_is_enabled())
400 sg_instr_AS_begin(AS);
403 void sg_platf_new_AS_end()
406 if (TRACE_is_enabled())
409 /* ***************************************** */
411 void sg_platf_rng_stream_init(unsigned long seed[6]) {
412 RngStream_SetPackageSeed(seed);
413 sg_platf_rng_stream = RngStream_CreateStream(NULL);
416 RngStream sg_platf_rng_stream_get(const char* id) {
417 RngStream stream = NULL;
418 unsigned int id_hash;
420 stream = RngStream_CopyStream(sg_platf_rng_stream);
421 id_hash = xbt_str_hash(id);
422 RngStream_AdvanceState(stream, 0, (long)id_hash);