1 /* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "src/kernel/activity/CommImpl.hpp"
8 #include "simgrid/modelchecker.h"
9 #include "src/mc/mc_replay.h"
10 #include "src/simix/smx_network_private.h"
11 #include "src/surf/surf_interface.hpp"
13 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_network);
15 simgrid::kernel::activity::CommImpl::CommImpl(e_smx_comm_type_t _type) : type(_type)
17 state = SIMIX_WAITING;
20 intrusive_ptr_add_ref(this);
21 XBT_DEBUG("Create comm activity %p", this);
24 simgrid::kernel::activity::CommImpl::~CommImpl()
26 XBT_DEBUG("Really free communication %p", this);
30 if (detached && state != SIMIX_DONE) {
31 /* the communication has failed and was detached:
32 * we have to free the buffer */
42 void simgrid::kernel::activity::CommImpl::suspend()
44 /* FIXME: shall we suspend also the timeout synchro? */
47 /* in the other case, the action will be suspended on creation, in SIMIX_comm_start() */
50 void simgrid::kernel::activity::CommImpl::resume()
52 /*FIXME: check what happen with the timeouts */
55 /* in the other case, the synchro were not really suspended yet, see SIMIX_comm_suspend() and SIMIX_comm_start() */
58 void simgrid::kernel::activity::CommImpl::cancel()
60 /* if the synchro is a waiting state means that it is still in a mbox */
61 /* so remove from it and delete it */
62 if (state == SIMIX_WAITING) {
64 state = SIMIX_CANCELED;
66 } else if (not MC_is_active() /* when running the MC there are no surf actions */
67 && not MC_record_replay_is_active() && (state == SIMIX_READY || state == SIMIX_RUNNING)) {
73 /** @brief get the amount remaining from the communication */
74 double simgrid::kernel::activity::CommImpl::remains()
76 if (state == SIMIX_RUNNING)
77 return surf_comm->getRemains();
79 /* FIXME: check what should be returned in the other cases */
83 /** @brief This is part of the cleanup process, probably an internal command */
84 void simgrid::kernel::activity::CommImpl::cleanupSurf()
93 src_timeout = nullptr;
98 dst_timeout = nullptr;
102 void simgrid::kernel::activity::CommImpl::post()
104 /* Update synchro state */
105 if (src_timeout && src_timeout->getState() == simgrid::surf::Action::State::done)
106 state = SIMIX_SRC_TIMEOUT;
107 else if (dst_timeout && dst_timeout->getState() == simgrid::surf::Action::State::done)
108 state = SIMIX_DST_TIMEOUT;
109 else if (src_timeout && src_timeout->getState() == simgrid::surf::Action::State::failed)
110 state = SIMIX_SRC_HOST_FAILURE;
111 else if (dst_timeout && dst_timeout->getState() == simgrid::surf::Action::State::failed)
112 state = SIMIX_DST_HOST_FAILURE;
113 else if (surf_comm && surf_comm->getState() == simgrid::surf::Action::State::failed) {
114 state = SIMIX_LINK_FAILURE;
118 XBT_DEBUG("SIMIX_post_comm: comm %p, state %d, src_proc %p, dst_proc %p, detached: %d", this, (int)state, src_proc,
121 /* destroy the surf actions associated with the Simix communication */
124 /* if there are simcalls associated with the synchro, then answer them */
125 if (not simcalls.empty()) {
126 SIMIX_comm_finish(this);