1 /* Copyright (c) 2007, 2008, 2009, 2010. 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 "smx_private.h"
8 #include "xbt/sysdep.h"
13 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix,
14 "Logging specific to SIMIX (io)");
18 void SIMIX_pre_file_read(smx_simcall_t simcall, void *ptr, size_t size,
19 size_t nmemb, smx_file_t stream)
21 smx_action_t action = SIMIX_file_read(simcall->issuer, ptr, size, nmemb, stream);
22 xbt_fifo_push(action->simcalls, simcall);
23 simcall->issuer->waiting_action = action;
26 smx_action_t SIMIX_file_read(smx_process_t process, void* ptr, size_t size, size_t nmemb, smx_file_t stream)
29 smx_host_t host = process->smx_host;
31 /* check if the host is active */
32 if (surf_workstation_model->extension.
33 workstation.get_state(host) != SURF_RESOURCE_ON) {
34 THROWF(host_error, 0, "Host %s failed, you cannot call this function",
38 action = xbt_mallocator_get(simix_global->action_mallocator);
39 action->type = SIMIX_ACTION_IO;
42 action->category = NULL;
45 action->io.host = host;
46 action->io.surf_io = surf_workstation_model->extension.workstation.read(host, ptr, size, nmemb, stream->surf_file);
48 surf_workstation_model->action_data_set(action->io.surf_io, action);
49 XBT_DEBUG("Create io action %p", action);
55 void SIMIX_pre_file_write(smx_simcall_t simcall, const void *ptr, size_t size,
56 size_t nmemb, smx_file_t stream)
58 smx_action_t action = SIMIX_file_write(simcall->issuer, ptr, size, nmemb, stream);
59 xbt_fifo_push(action->simcalls, simcall);
60 simcall->issuer->waiting_action = action;
63 smx_action_t SIMIX_file_write(smx_process_t process, const void* ptr, size_t size, size_t nmemb, smx_file_t stream)
66 smx_host_t host = process->smx_host;
68 /* check if the host is active */
69 if (surf_workstation_model->extension.
70 workstation.get_state(host) != SURF_RESOURCE_ON) {
71 THROWF(host_error, 0, "Host %s failed, you cannot call this function",
75 action = xbt_mallocator_get(simix_global->action_mallocator);
76 action->type = SIMIX_ACTION_IO;
79 action->category = NULL;
82 action->io.host = host;
83 action->io.surf_io = surf_workstation_model->extension.workstation.write(host, ptr, size, nmemb, stream->surf_file);
85 surf_workstation_model->action_data_set(action->io.surf_io, action);
86 XBT_DEBUG("Create io action %p", action);
92 void SIMIX_pre_file_open(smx_simcall_t simcall, const char* mount,
93 const char* path, const char* mode)
95 smx_action_t action = SIMIX_file_open(simcall->issuer, mount, path, mode);
96 xbt_fifo_push(action->simcalls, simcall);
97 simcall->issuer->waiting_action = action;
100 smx_action_t SIMIX_file_open(smx_process_t process ,const char* mount, const char* path, const char* mode)
103 smx_host_t host = process->smx_host;
105 /* check if the host is active */
106 if (surf_workstation_model->extension.
107 workstation.get_state(host) != SURF_RESOURCE_ON) {
108 THROWF(host_error, 0, "Host %s failed, you cannot call this function",
112 action = xbt_mallocator_get(simix_global->action_mallocator);
113 action->type = SIMIX_ACTION_IO;
116 action->category = NULL;
119 action->io.host = host;
120 action->io.surf_io = surf_workstation_model->extension.workstation.open(host, mount, path, mode);
122 surf_workstation_model->action_data_set(action->io.surf_io, action);
123 XBT_DEBUG("Create io action %p", action);
129 void SIMIX_pre_file_close(smx_simcall_t simcall, smx_file_t fd)
131 smx_action_t action = SIMIX_file_close(simcall->issuer, fd);
132 xbt_fifo_push(action->simcalls, simcall);
133 simcall->issuer->waiting_action = action;
136 smx_action_t SIMIX_file_close(smx_process_t process, smx_file_t fd)
139 smx_host_t host = process->smx_host;
141 /* check if the host is active */
142 if (surf_workstation_model->extension.
143 workstation.get_state(host) != SURF_RESOURCE_ON) {
144 THROWF(host_error, 0, "Host %s failed, you cannot call this function",
148 action = xbt_mallocator_get(simix_global->action_mallocator);
149 action->type = SIMIX_ACTION_IO;
152 action->category = NULL;
155 action->io.host = host;
156 action->io.surf_io = surf_workstation_model->extension.workstation.close(host, fd->surf_file);
158 surf_workstation_model->action_data_set(action->io.surf_io, action);
159 XBT_DEBUG("Create io action %p", action);
166 void SIMIX_pre_file_unlink(smx_simcall_t simcall, smx_file_t fd)
168 smx_action_t action = SIMIX_file_unlink(simcall->issuer, fd);
169 xbt_fifo_push(action->simcalls, simcall);
170 simcall->issuer->waiting_action = action;
173 smx_action_t SIMIX_file_unlink(smx_process_t process, smx_file_t fd)
176 smx_host_t host = process->smx_host;
177 /* check if the host is active */
178 if (surf_workstation_model->extension.
179 workstation.get_state(host) != SURF_RESOURCE_ON) {
180 THROWF(host_error, 0, "Host %s failed, you cannot call this function",
184 action = xbt_mallocator_get(simix_global->action_mallocator);
185 action->type = SIMIX_ACTION_IO;
188 action->category = NULL;
191 action->io.host = host;
192 action->io.surf_io = surf_workstation_model->extension.workstation.unlink(host, fd->surf_file);
194 surf_workstation_model->action_data_set(action->io.surf_io, action);
195 XBT_DEBUG("Create io action %p", action);
201 void SIMIX_pre_file_ls(smx_simcall_t simcall,
202 const char* mount, const char* path)
204 smx_action_t action = SIMIX_file_ls(simcall->issuer, mount, path);
205 xbt_fifo_push(action->simcalls, simcall);
206 simcall->issuer->waiting_action = action;
208 smx_action_t SIMIX_file_ls(smx_process_t process, const char* mount, const char *path)
211 smx_host_t host = process->smx_host;
212 /* check if the host is active */
213 if (surf_workstation_model->extension.workstation.get_state(host) != SURF_RESOURCE_ON) {
214 THROWF(host_error, 0, "Host %s failed, you cannot call this function",
218 action = xbt_mallocator_get(simix_global->action_mallocator);
219 action->type = SIMIX_ACTION_IO;
222 action->category = NULL;
225 action->io.host = host;
226 action->io.surf_io = surf_workstation_model->extension.workstation.ls(host,mount,path);
228 surf_workstation_model->action_data_set(action->io.surf_io, action);
229 XBT_DEBUG("Create io action %p", action);
233 void SIMIX_pre_file_get_size(smx_simcall_t simcall, smx_file_t fd)
235 smx_action_t action = SIMIX_file_get_size(simcall->issuer, fd);
236 xbt_fifo_push(action->simcalls, simcall);
237 simcall->issuer->waiting_action = action;
240 smx_action_t SIMIX_file_get_size(smx_process_t process, smx_file_t fd)
243 smx_host_t host = process->smx_host;
245 /* check if the host is active */
246 if (surf_workstation_model->extension.
247 workstation.get_state(host) != SURF_RESOURCE_ON) {
248 THROWF(host_error, 0, "Host %s failed, you cannot call this function",
252 action = xbt_mallocator_get(simix_global->action_mallocator);
253 action->type = SIMIX_ACTION_IO;
256 action->category = NULL;
259 action->io.host = host;
260 action->io.surf_io = surf_workstation_model->extension.workstation.get_size(host, fd->surf_file);
262 surf_workstation_model->action_data_set(action->io.surf_io, action);
263 XBT_DEBUG("Create io action %p", action);
269 void SIMIX_post_io(smx_action_t action)
272 smx_simcall_t simcall;
274 // xbt_dict_cursor_t cursor = NULL;
275 // s_file_stat_t *dst = NULL;
276 // s_file_stat_t *src = NULL;
278 xbt_fifo_foreach(action->simcalls,i,simcall,smx_simcall_t) {
279 switch (simcall->call) {
280 case SIMCALL_FILE_OPEN:;
281 smx_file_t tmp = xbt_new(s_smx_file_t,1);
282 tmp->surf_file = (action->io.surf_io)->file;
283 simcall_file_open__set__result(simcall, tmp);
286 case SIMCALL_FILE_CLOSE:
287 xbt_free(simcall_file_close__get__fd(simcall));
288 simcall_file_close__set__result(simcall, 0);
291 case SIMCALL_FILE_WRITE:
292 simcall_file_write__set__result(simcall, (action->io.surf_io)->cost);
295 case SIMCALL_FILE_READ:
296 simcall_file_read__set__result(simcall, (action->io.surf_io)->cost);
299 case SIMCALL_FILE_UNLINK:
300 xbt_free(simcall_file_unlink__get__fd(simcall));
301 simcall_file_unlink__set__result(simcall, 0);
304 case SIMCALL_FILE_LS:
305 // xbt_dict_foreach((action->io.surf_io)->ls_dict,cursor,key, src){
306 // // if there is a stat we have to duplicate it
308 // dst = xbt_new0(s_file_stat_t,1);
309 // file_stat_copy(src, dst);
310 // xbt_dict_set((action->io.surf_io)->ls_dict,key,dst,xbt_free);
313 simcall_file_ls__set__result(simcall, (action->io.surf_io)->ls_dict);
315 case SIMCALL_FILE_GET_SIZE:
316 xbt_free(simcall_file_get_size__get__fd(simcall));
317 simcall_file_get_size__set__result(simcall, 0);
325 switch (surf_workstation_model->action_state_get(action->io.surf_io)) {
327 case SURF_ACTION_FAILED:
328 action->state = SIMIX_FAILED;
331 case SURF_ACTION_DONE:
332 action->state = SIMIX_DONE;
340 SIMIX_io_finish(action);
343 void SIMIX_io_destroy(smx_action_t action)
345 XBT_DEBUG("Destroy action %p", action);
346 if (action->io.surf_io)
347 action->io.surf_io->model_type->action_unref(action->io.surf_io);
348 xbt_mallocator_release(simix_global->action_mallocator, action);
351 void SIMIX_io_finish(smx_action_t action)
353 xbt_fifo_item_t item;
354 smx_simcall_t simcall;
356 xbt_fifo_foreach(action->simcalls, item, simcall, smx_simcall_t) {
358 switch (action->state) {
361 /* do nothing, action done */
365 SMX_EXCEPTION(simcall->issuer, io_error, 0, "IO failed");
369 SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled");
373 xbt_die("Internal error in SIMIX_io_finish: unexpected action state %d",
377 if (surf_workstation_model->extension.
378 workstation.get_state(simcall->issuer->smx_host) != SURF_RESOURCE_ON) {
379 simcall->issuer->context->iwannadie = 1;
382 simcall->issuer->waiting_action = NULL;
383 SIMIX_simcall_answer(simcall);
386 /* We no longer need it */
387 SIMIX_io_destroy(action);