1 /* Copyright (c) 2007-2018. 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"
7 #include "simgrid/kernel/resource/Action.hpp"
9 #include "simgrid/modelchecker.h"
10 #include "src/mc/mc_replay.hpp"
11 #include "src/simix/smx_network_private.hpp"
12 #include "src/surf/surf_interface.hpp"
14 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_network);
16 simgrid::kernel::activity::CommImpl::CommImpl(e_smx_comm_type_t _type) : type(_type)
18 state = SIMIX_WAITING;
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? */
46 surfAction_->suspend();
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 */
54 surfAction_->resume();
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;
65 } else if (not MC_is_active() /* when running the MC there are no surf actions */
66 && not MC_record_replay_is_active() && (state == SIMIX_READY || state == SIMIX_RUNNING)) {
68 surfAction_->cancel();
72 /** @brief get the amount remaining from the communication */
73 double simgrid::kernel::activity::CommImpl::remains()
75 return surfAction_->get_remains();
78 /** @brief This is part of the cleanup process, probably an internal command */
79 void simgrid::kernel::activity::CommImpl::cleanupSurf()
83 surfAction_ = nullptr;
88 src_timeout = nullptr;
93 dst_timeout = nullptr;
97 void simgrid::kernel::activity::CommImpl::post()
99 /* Update synchro state */
100 if (src_timeout && src_timeout->get_state() == simgrid::kernel::resource::Action::State::done)
101 state = SIMIX_SRC_TIMEOUT;
102 else if (dst_timeout && dst_timeout->get_state() == simgrid::kernel::resource::Action::State::done)
103 state = SIMIX_DST_TIMEOUT;
104 else if (src_timeout && src_timeout->get_state() == simgrid::kernel::resource::Action::State::failed)
105 state = SIMIX_SRC_HOST_FAILURE;
106 else if (dst_timeout && dst_timeout->get_state() == simgrid::kernel::resource::Action::State::failed)
107 state = SIMIX_DST_HOST_FAILURE;
108 else if (surfAction_ && surfAction_->get_state() == simgrid::kernel::resource::Action::State::failed) {
109 state = SIMIX_LINK_FAILURE;
113 XBT_DEBUG("SIMIX_post_comm: comm %p, state %d, src_proc %p, dst_proc %p, detached: %d", this, (int)state, src_proc,
116 /* destroy the surf actions associated with the Simix communication */
119 /* if there are simcalls associated with the synchro, then answer them */
120 if (not simcalls.empty()) {
121 SIMIX_comm_finish(this);