1 /* Copyright (c) 2007-2010, 2012-2015. 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. */
8 #include <xbt/sysdep.h>
12 #include <simgrid/s4u/host.hpp>
16 #include "src/surf/surf_interface.hpp"
17 #include "smx_private.h"
19 #include "src/kernel/activity/SynchroIo.hpp"
21 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_io, simix, "Logging specific to SIMIX (io)");
25 * \brief Internal function to create a SIMIX storage.
26 * \param name name of the storage to create
27 * \param storage the SURF storage to encapsulate
28 * \param data some user data (may be nullptr)
30 smx_storage_t SIMIX_storage_create(const char *name, void *storage, void *data)
32 smx_storage_priv_t smx_storage = xbt_new0(s_smx_storage_priv_t, 1);
34 smx_storage->data = data;
36 /* Update global variables */
37 xbt_lib_set(storage_lib,name,SIMIX_STORAGE_LEVEL,smx_storage);
38 return xbt_lib_get_elm_or_null(storage_lib, name);
42 * \brief Internal function to destroy a SIMIX storage.
44 * \param s the host to destroy (a smx_storage_t)
46 void SIMIX_storage_destroy(void *s)
48 smx_storage_priv_t storage = static_cast<smx_storage_priv_t>(s);
50 xbt_assert((storage != nullptr), "Invalid parameters");
54 /* Clean storage structure */
59 void simcall_HANDLER_file_read(smx_simcall_t simcall, smx_file_t fd, sg_size_t size, sg_host_t host)
61 smx_synchro_t synchro = SIMIX_file_read(fd, size, host);
62 synchro->simcalls.push_back(simcall);
63 simcall->issuer->waiting_synchro = synchro;
66 smx_synchro_t SIMIX_file_read(smx_file_t fd, sg_size_t size, sg_host_t host)
68 /* check if the host is active */
70 THROWF(host_error, 0, "Host %s failed, you cannot call this function", sg_host_get_name(host));
73 simgrid::kernel::activity::Io *synchro = new simgrid::kernel::activity::Io();
75 synchro->surf_io = surf_host_read(host, fd->surf_file, size);
77 synchro->surf_io->setData(synchro);
78 XBT_DEBUG("Create io synchro %p", synchro);
84 void simcall_HANDLER_file_write(smx_simcall_t simcall, smx_file_t fd, sg_size_t size, sg_host_t host)
86 smx_synchro_t synchro = SIMIX_file_write(fd, size, host);
87 synchro->simcalls.push_back(simcall);
88 simcall->issuer->waiting_synchro = synchro;
91 smx_synchro_t SIMIX_file_write(smx_file_t fd, sg_size_t size, sg_host_t host)
94 THROWF(host_error, 0, "Host %s failed, you cannot call this function", sg_host_get_name(host));
96 simgrid::kernel::activity::Io *synchro = new simgrid::kernel::activity::Io();
98 synchro->surf_io = surf_host_write(host, fd->surf_file, size);
99 synchro->surf_io->setData(synchro);
100 XBT_DEBUG("Create io synchro %p", synchro);
106 void simcall_HANDLER_file_open(smx_simcall_t simcall, const char* fullpath, sg_host_t host)
108 smx_synchro_t synchro = SIMIX_file_open(fullpath, host);
109 synchro->simcalls.push_back(simcall);
110 simcall->issuer->waiting_synchro = synchro;
113 smx_synchro_t SIMIX_file_open(const char* fullpath, sg_host_t host)
116 THROWF(host_error, 0, "Host %s failed, you cannot call this function", sg_host_get_name(host));
118 simgrid::kernel::activity::Io *synchro = new simgrid::kernel::activity::Io();
119 synchro->host = host;
120 synchro->surf_io = surf_host_open(host, fullpath);
121 synchro->surf_io->setData(synchro);
122 XBT_DEBUG("Create io synchro %p", synchro);
128 void simcall_HANDLER_file_close(smx_simcall_t simcall, smx_file_t fd, sg_host_t host)
130 smx_synchro_t synchro = SIMIX_file_close(fd, host);
131 synchro->simcalls.push_back(simcall);
132 simcall->issuer->waiting_synchro = synchro;
135 smx_synchro_t SIMIX_file_close(smx_file_t fd, sg_host_t host)
138 THROWF(host_error, 0, "Host %s failed, you cannot call this function", sg_host_get_name(host));
140 simgrid::kernel::activity::Io *synchro = new simgrid::kernel::activity::Io();
141 synchro->host = host;
142 synchro->surf_io = surf_host_close(host, fd->surf_file);
143 synchro->surf_io->setData(synchro);
144 XBT_DEBUG("Create io synchro %p", synchro);
150 int SIMIX_file_unlink(smx_file_t fd, sg_host_t host)
153 THROWF(host_error, 0, "Host %s failed, you cannot call this function", sg_host_get_name(host));
155 int res = surf_host_unlink(host, fd->surf_file);
160 sg_size_t simcall_HANDLER_file_get_size(smx_simcall_t simcall, smx_file_t fd)
162 return SIMIX_file_get_size(simcall->issuer, fd);
165 sg_size_t SIMIX_file_get_size(smx_process_t process, smx_file_t fd)
167 sg_host_t host = process->host;
168 return surf_host_get_size(host, fd->surf_file);
171 sg_size_t simcall_HANDLER_file_tell(smx_simcall_t simcall, smx_file_t fd)
173 return SIMIX_file_tell(simcall->issuer, fd);
176 sg_size_t SIMIX_file_tell(smx_process_t process, smx_file_t fd)
178 sg_host_t host = process->host;
179 return surf_host_file_tell(host, fd->surf_file);
183 xbt_dynar_t simcall_HANDLER_file_get_info(smx_simcall_t simcall, smx_file_t fd)
185 return SIMIX_file_get_info(simcall->issuer, fd);
188 xbt_dynar_t SIMIX_file_get_info(smx_process_t process, smx_file_t fd)
190 sg_host_t host = process->host;
191 return surf_host_get_info(host, fd->surf_file);
194 int simcall_HANDLER_file_seek(smx_simcall_t simcall, smx_file_t fd, sg_offset_t offset, int origin)
196 return SIMIX_file_seek(simcall->issuer, fd, offset, origin);
199 int SIMIX_file_seek(smx_process_t process, smx_file_t fd, sg_offset_t offset, int origin)
201 sg_host_t host = process->host;
202 return surf_host_file_seek(host, fd->surf_file, offset, origin);
205 int simcall_HANDLER_file_move(smx_simcall_t simcall, smx_file_t file, const char* fullpath)
207 return SIMIX_file_move(simcall->issuer, file, fullpath);
210 int SIMIX_file_move(smx_process_t process, smx_file_t file, const char* fullpath)
212 sg_host_t host = process->host;
213 return surf_host_file_move(host, file->surf_file, fullpath);
216 sg_size_t SIMIX_storage_get_size(smx_storage_t storage){
217 return surf_storage_get_size(storage);
220 sg_size_t simcall_HANDLER_storage_get_free_size(smx_simcall_t simcall, smx_storage_t storage)
222 return SIMIX_storage_get_free_size(simcall->issuer, storage);
225 sg_size_t SIMIX_storage_get_free_size(smx_process_t process, smx_storage_t storage)
227 return surf_storage_get_free_size(storage);
230 sg_size_t simcall_HANDLER_storage_get_used_size(smx_simcall_t simcall, smx_storage_t storage)
232 return SIMIX_storage_get_used_size(simcall->issuer, storage);
235 sg_size_t SIMIX_storage_get_used_size(smx_process_t process, smx_storage_t storage)
237 return surf_storage_get_used_size(storage);
240 xbt_dict_t SIMIX_storage_get_properties(smx_storage_t storage){
241 return surf_storage_get_properties(storage);
244 const char* SIMIX_storage_get_name(smx_storage_t storage){
245 return sg_storage_name(storage);
248 xbt_dict_t SIMIX_storage_get_content(smx_storage_t storage){
249 return surf_storage_get_content(storage);
252 const char* SIMIX_storage_get_host(smx_storage_t storage){
253 return surf_storage_get_host(storage);
256 void SIMIX_io_destroy(smx_synchro_t synchro)
258 simgrid::kernel::activity::Io *io = static_cast<simgrid::kernel::activity::Io*>(synchro);
259 XBT_DEBUG("Destroy synchro %p", synchro);
261 io->surf_io->unref();
265 void SIMIX_io_finish(smx_synchro_t synchro)
267 for (smx_simcall_t simcall : synchro->simcalls) {
268 switch (synchro->state) {
270 /* do nothing, synchro done */
273 SMX_EXCEPTION(simcall->issuer, io_error, 0, "IO failed");
276 SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled");
279 xbt_die("Internal error in SIMIX_io_finish: unexpected synchro state %d", static_cast<int>(synchro->state));
282 if (simcall->issuer->host->isOff()) {
283 simcall->issuer->context->iwannadie = 1;
286 simcall->issuer->waiting_synchro = nullptr;
287 SIMIX_simcall_answer(simcall);
290 /* We no longer need it */
291 SIMIX_io_destroy(synchro);