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)");
24 * \brief Internal function to create a SIMIX storage.
25 * \param name name of the storage to create
26 * \param storage the SURF storage to encapsulate
27 * \param data some user data (may be nullptr)
29 smx_storage_t SIMIX_storage_create(const char *name, void *storage, void *data)
31 smx_storage_priv_t smx_storage = xbt_new0(s_smx_storage_priv_t, 1);
33 smx_storage->data = data;
35 /* Update global variables */
36 xbt_lib_set(storage_lib,name,SIMIX_STORAGE_LEVEL,smx_storage);
37 return xbt_lib_get_elm_or_null(storage_lib, name);
41 * \brief Internal function to destroy a SIMIX storage.
43 * \param s the host to destroy (a smx_storage_t)
45 void SIMIX_storage_destroy(void *s)
47 smx_storage_priv_t storage = static_cast<smx_storage_priv_t>(s);
49 xbt_assert((storage != nullptr), "Invalid parameters");
53 /* Clean storage structure */
58 void simcall_HANDLER_file_read(smx_simcall_t simcall, smx_file_t fd, sg_size_t size, sg_host_t host)
60 smx_activity_t synchro = SIMIX_file_read(fd, size, host);
61 synchro->simcalls.push_back(simcall);
62 simcall->issuer->waiting_synchro = synchro;
65 smx_activity_t SIMIX_file_read(smx_file_t fd, sg_size_t size, sg_host_t host)
67 /* check if the host is active */
69 THROWF(host_error, 0, "Host %s failed, you cannot call this function", host->cname());
71 simgrid::kernel::activity::Io *synchro = new simgrid::kernel::activity::Io();
73 synchro->surf_io = surf_host_read(host, fd->surf_file, size);
75 synchro->surf_io->setData(synchro);
76 XBT_DEBUG("Create io synchro %p", synchro);
82 void simcall_HANDLER_file_write(smx_simcall_t simcall, smx_file_t fd, sg_size_t size, sg_host_t host)
84 smx_activity_t synchro = SIMIX_file_write(fd, size, host);
85 synchro->simcalls.push_back(simcall);
86 simcall->issuer->waiting_synchro = synchro;
89 smx_activity_t SIMIX_file_write(smx_file_t fd, sg_size_t size, sg_host_t host)
92 THROWF(host_error, 0, "Host %s failed, you cannot call this function", host->cname());
94 simgrid::kernel::activity::Io *synchro = new simgrid::kernel::activity::Io();
96 synchro->surf_io = surf_host_write(host, fd->surf_file, size);
97 synchro->surf_io->setData(synchro);
98 XBT_DEBUG("Create io synchro %p", synchro);
104 void simcall_HANDLER_file_open(smx_simcall_t simcall, const char* fullpath, sg_host_t host)
106 smx_activity_t synchro = SIMIX_file_open(fullpath, host);
107 synchro->simcalls.push_back(simcall);
108 simcall->issuer->waiting_synchro = synchro;
111 smx_activity_t SIMIX_file_open(const char* fullpath, sg_host_t host)
114 THROWF(host_error, 0, "Host %s failed, you cannot call this function", host->cname());
116 simgrid::kernel::activity::Io *synchro = new simgrid::kernel::activity::Io();
117 synchro->host = host;
118 synchro->surf_io = surf_host_open(host, fullpath);
119 synchro->surf_io->setData(synchro);
120 XBT_DEBUG("Create io synchro %p", synchro);
126 void simcall_HANDLER_file_close(smx_simcall_t simcall, smx_file_t fd, sg_host_t host)
128 smx_activity_t synchro = SIMIX_file_close(fd, host);
129 synchro->simcalls.push_back(simcall);
130 simcall->issuer->waiting_synchro = synchro;
133 smx_activity_t SIMIX_file_close(smx_file_t fd, sg_host_t host)
136 THROWF(host_error, 0, "Host %s failed, you cannot call this function", host->cname());
138 simgrid::kernel::activity::Io *synchro = new simgrid::kernel::activity::Io();
139 synchro->host = host;
140 synchro->surf_io = surf_host_close(host, fd->surf_file);
141 synchro->surf_io->setData(synchro);
142 XBT_DEBUG("Create io synchro %p", synchro);
148 int SIMIX_file_unlink(smx_file_t fd, sg_host_t host)
151 THROWF(host_error, 0, "Host %s failed, you cannot call this function", host->cname());
153 int res = surf_host_unlink(host, fd->surf_file);
158 sg_size_t simcall_HANDLER_file_get_size(smx_simcall_t simcall, smx_file_t fd)
160 return SIMIX_file_get_size(simcall->issuer, fd);
163 sg_size_t SIMIX_file_get_size(smx_actor_t process, smx_file_t fd)
165 sg_host_t host = process->host;
166 return surf_host_get_size(host, fd->surf_file);
169 sg_size_t simcall_HANDLER_file_tell(smx_simcall_t simcall, smx_file_t fd)
171 return SIMIX_file_tell(simcall->issuer, fd);
174 sg_size_t SIMIX_file_tell(smx_actor_t process, smx_file_t fd)
176 sg_host_t host = process->host;
177 return surf_host_file_tell(host, fd->surf_file);
181 xbt_dynar_t simcall_HANDLER_file_get_info(smx_simcall_t simcall, smx_file_t fd)
183 return SIMIX_file_get_info(simcall->issuer, fd);
186 xbt_dynar_t SIMIX_file_get_info(smx_actor_t process, smx_file_t fd)
188 sg_host_t host = process->host;
189 return surf_host_get_info(host, fd->surf_file);
192 int simcall_HANDLER_file_seek(smx_simcall_t simcall, smx_file_t fd, sg_offset_t offset, int origin)
194 return SIMIX_file_seek(simcall->issuer, fd, offset, origin);
197 int SIMIX_file_seek(smx_actor_t process, smx_file_t fd, sg_offset_t offset, int origin)
199 sg_host_t host = process->host;
200 return surf_host_file_seek(host, fd->surf_file, offset, origin);
203 int simcall_HANDLER_file_move(smx_simcall_t simcall, smx_file_t file, const char* fullpath)
205 return SIMIX_file_move(simcall->issuer, file, fullpath);
208 int SIMIX_file_move(smx_actor_t process, smx_file_t file, const char* fullpath)
210 sg_host_t host = process->host;
211 return surf_host_file_move(host, file->surf_file, fullpath);
214 xbt_dict_t SIMIX_storage_get_properties(smx_storage_t storage){
215 return surf_storage_get_properties(storage);
218 const char* SIMIX_storage_get_name(smx_storage_t storage){
219 return sg_storage_name(storage);
222 void SIMIX_io_destroy(smx_activity_t synchro)
224 simgrid::kernel::activity::Io *io = static_cast<simgrid::kernel::activity::Io*>(synchro);
225 XBT_DEBUG("Destroy synchro %p", synchro);
227 io->surf_io->unref();
231 void SIMIX_io_finish(smx_activity_t synchro)
233 for (smx_simcall_t simcall : synchro->simcalls) {
234 switch (synchro->state) {
236 /* do nothing, synchro done */
239 SMX_EXCEPTION(simcall->issuer, io_error, 0, "IO failed");
242 SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Canceled");
245 xbt_die("Internal error in SIMIX_io_finish: unexpected synchro state %d", static_cast<int>(synchro->state));
248 if (simcall->issuer->host->isOff()) {
249 simcall->issuer->context->iwannadie = 1;
252 simcall->issuer->waiting_synchro = nullptr;
253 SIMIX_simcall_answer(simcall);
256 /* We no longer need it */
257 SIMIX_io_destroy(synchro);