-/* Copyright (c) 2007-2021. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2022. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include "src/kernel/activity/CommImpl.hpp"
#include "src/kernel/activity/MailboxImpl.hpp"
#include "src/kernel/context/Context.hpp"
+#include "src/kernel/resource/CpuImpl.hpp"
+#include "src/kernel/resource/LinkImpl.hpp"
+#include "src/kernel/resource/StandardLinkImpl.hpp"
#include "src/mc/mc_replay.hpp"
-#include "src/surf/cpu_interface.hpp"
-#include "src/surf/network_interface.hpp"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_network, simix, "SIMIX network-related synchronization");
+XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_network, kernel, "Kernel network-related synchronization");
XBT_PRIVATE void simcall_HANDLER_comm_send(smx_simcall_t simcall, smx_actor_t src, smx_mailbox_t mbox, double task_size,
double rate, unsigned char* src_buff, size_t src_buff_size,
if (mbox->is_permanent()) {
// this mailbox is for small messages, which have to be sent right now
- other_comm->state_ = simgrid::kernel::activity::State::READY;
+ other_comm->set_state(simgrid::kernel::activity::State::READY);
other_comm->dst_actor_ = mbox->get_permanent_receiver().get();
mbox->push_done(other_comm);
XBT_DEBUG("pushing a message into the permanent receive list %p, comm %p", mbox, other_comm.get());
} else {
XBT_DEBUG("Receive already pushed");
- other_comm->state_ = simgrid::kernel::activity::State::READY;
+ other_comm->set_state(simgrid::kernel::activity::State::READY);
}
if (detached) {
other_comm->copy_data_fun = copy_data_fun;
if (MC_is_active() || MC_record_replay_is_active())
- other_comm->state_ = simgrid::kernel::activity::State::RUNNING;
+ other_comm->set_state(simgrid::kernel::activity::State::RUNNING);
else
other_comm->start();
} else {
if (other_comm->surf_action_ && other_comm->get_remaining() < 1e-12) {
XBT_DEBUG("comm %p has been already sent, and is finished, destroy it", other_comm.get());
- other_comm->state_ = simgrid::kernel::activity::State::DONE;
+ other_comm->set_state(simgrid::kernel::activity::State::DONE);
other_comm->set_mailbox(nullptr);
}
}
} else {
XBT_DEBUG("Match my %p with the existing %p", this_synchro.get(), other_comm.get());
- other_comm->state_ = simgrid::kernel::activity::State::READY;
+ other_comm->set_state(simgrid::kernel::activity::State::READY);
}
receiver->activities_.emplace_back(other_comm);
}
other_comm->copy_data_fun = copy_data_fun;
if (MC_is_active() || MC_record_replay_is_active()) {
- other_comm->state_ = simgrid::kernel::activity::State::RUNNING;
+ other_comm->set_state(simgrid::kernel::activity::State::RUNNING);
return other_comm;
}
other_comm->start();
CommImpl::CommImpl(s4u::Host* from, s4u::Host* to, double bytes) : size_(bytes), detached_(true), from_(from), to_(to)
{
- state_ = State::READY;
+ set_state(State::READY);
}
CommImpl::~CommImpl()
cleanup_surf();
- if (detached_ && state_ != State::DONE) {
+ if (detached_ && get_state() != State::DONE) {
/* the communication has failed and was detached:
* we have to free the buffer */
if (clean_fun)
CommImpl* CommImpl::start()
{
/* If both the sender and the receiver are already there, start the communication */
- if (state_ == State::READY) {
+ if (get_state() == State::READY) {
from_ = from_ != nullptr ? from_ : src_actor_->get_host();
to_ = to_ != nullptr ? to_ : dst_actor_->get_host();
- on_start(*this);
/* Getting the network_model from the origin host
* Valid while we have a single network model, otherwise we would need to change this function to first get the
* routes and later create the respective surf actions */
surf_action_ = net_model->communicate(from_, to_, size_, rate_);
surf_action_->set_activity(this);
surf_action_->set_category(get_tracing_category());
- state_ = State::RUNNING;
+ set_start_time(surf_action_->get_start_time());
+ set_state(State::RUNNING);
+ on_start(*this);
XBT_DEBUG("Starting communication %p from '%s' to '%s' (surf_action: %p; state: %s)", this, from_->get_cname(),
to_->get_cname(), surf_action_, get_state_str());
if (surf_action_->get_state() == resource::Action::State::FAILED) {
XBT_DEBUG("Communication from '%s' to '%s' failed to start because of a link failure", from_->get_cname(),
to_->get_cname());
- state_ = State::LINK_FAILURE;
+ set_state(State::LINK_FAILURE);
post();
} else if ((src_actor_ != nullptr && src_actor_->is_suspended()) ||
std::vector<s4u::Link*> CommImpl::get_traversed_links() const
{
- xbt_assert(state_ != State::WAITING, "You cannot use %s() if your communication is not ready (%s)", __FUNCTION__,
+ xbt_assert(get_state() != State::WAITING, "You cannot use %s() if your communication is not ready (%s)", __FUNCTION__,
get_state_str());
std::vector<s4u::Link*> vlinks;
XBT_ATTRIB_UNUSED double res = 0;
bool CommImpl::test()
{
if ((MC_is_active() || MC_record_replay_is_active()) && src_actor_ && dst_actor_)
- state_ = State::DONE;
+ set_state(State::DONE);
return ActivityImpl::test();
}
void CommImpl::wait_for(actor::ActorImpl* issuer, double timeout)
{
- XBT_DEBUG("CommImpl::wait_for(%g), %p, state %s", timeout, this, to_c_str(state_));
+ XBT_DEBUG("CommImpl::wait_for(%g), %p, state %s", timeout, this, get_state_str());
/* Associate this simcall to the wait synchro */
register_simcall(&issuer->simcall_);
if (MC_is_active() || MC_record_replay_is_active()) {
int idx = issuer->simcall_.mc_value_;
if (idx == 0) {
- state_ = State::DONE;
+ set_state(State::DONE);
} else {
/* If we reached this point, the wait simcall must have a timeout */
/* Otherwise it shouldn't be enabled and executed by the MC */
if (timeout < 0.0)
THROW_IMPOSSIBLE;
- state_ = (issuer == src_actor_ ? State::SRC_TIMEOUT : State::DST_TIMEOUT);
+ set_state(issuer == src_actor_ ? State::SRC_TIMEOUT : State::DST_TIMEOUT);
}
finish();
return;
/* If the synchro has already finish perform the error handling, */
/* otherwise set up a waiting timeout on the right side */
- if (state_ != State::WAITING && state_ != State::RUNNING) {
+ if (get_state() != State::WAITING && get_state() != State::RUNNING) {
finish();
} else { /* we need a sleep action (even when there is no timeout) to be notified of host failures */
resource::Action* sleep = issuer->get_host()->get_cpu()->sleep(timeout);
auto* comm = comms[idx];
comm->simcalls_.push_back(&issuer->simcall_);
simcall_comm_waitany__set__result(&issuer->simcall_, idx);
- comm->state_ = State::DONE;
+ comm->set_state(State::DONE);
comm->finish();
return;
}
comm->simcalls_.push_back(&issuer->simcall_);
/* see if the synchro is already finished */
- if (comm->state_ != State::WAITING && comm->state_ != State::RUNNING) {
+ if (comm->get_state() != State::WAITING && comm->get_state() != State::RUNNING) {
comm->finish();
break;
}
void CommImpl::cancel()
{
/* if the synchro is a waiting state means that it is still in a mbox so remove from it and delete it */
- if (state_ == State::WAITING) {
+ if (get_state() == State::WAITING) {
if (not detached_) {
mbox_->remove(this);
- state_ = State::CANCELED;
+ set_state(State::CANCELED);
}
} else if (not MC_is_active() /* when running the MC there are no surf actions */
- && not MC_record_replay_is_active() && (state_ == State::READY || state_ == State::RUNNING)) {
+ && not MC_record_replay_is_active() && (get_state() == State::READY || get_state() == State::RUNNING)) {
surf_action_->cancel();
}
}
/* Update synchro state */
if (src_timeout_ && src_timeout_->get_state() == resource::Action::State::FINISHED)
- state_ = State::SRC_TIMEOUT;
+ set_state(State::SRC_TIMEOUT);
else if (dst_timeout_ && dst_timeout_->get_state() == resource::Action::State::FINISHED)
- state_ = State::DST_TIMEOUT;
+ set_state(State::DST_TIMEOUT);
else if (src_timeout_ && src_timeout_->get_state() == resource::Action::State::FAILED)
- state_ = State::SRC_HOST_FAILURE;
+ set_state(State::SRC_HOST_FAILURE);
else if (dst_timeout_ && dst_timeout_->get_state() == resource::Action::State::FAILED)
- state_ = State::DST_HOST_FAILURE;
+ set_state(State::DST_HOST_FAILURE);
else if (surf_action_ && surf_action_->get_state() == resource::Action::State::FAILED) {
- state_ = State::LINK_FAILURE;
+ set_state(State::LINK_FAILURE);
} else
- state_ = State::DONE;
+ set_state(State::DONE);
XBT_DEBUG("CommImpl::post(): comm %p, state %s, src_proc %p, dst_proc %p, detached: %d", this, get_state_str(),
src_actor_.get(), dst_actor_.get(), detached_);
/* Answer all simcalls associated with the synchro */
finish();
}
+void CommImpl::set_exception(actor::ActorImpl* issuer)
+{
+ switch (get_state()) {
+ case State::FAILED:
+ issuer->exception_ = std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
+ break;
+ case State::SRC_TIMEOUT:
+ issuer->exception_ =
+ std::make_exception_ptr(TimeoutException(XBT_THROW_POINT, "Communication timeouted because of the sender"));
+ break;
+
+ case State::DST_TIMEOUT:
+ issuer->exception_ =
+ std::make_exception_ptr(TimeoutException(XBT_THROW_POINT, "Communication timeouted because of the receiver"));
+ break;
+
+ case State::SRC_HOST_FAILURE:
+ if (issuer == src_actor_)
+ issuer->context_->set_wannadie();
+ else {
+ set_state(State::FAILED);
+ issuer->exception_ = std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
+ }
+ break;
+
+ case State::DST_HOST_FAILURE:
+ if (issuer == dst_actor_)
+ issuer->context_->set_wannadie();
+ else {
+ set_state(State::FAILED);
+ issuer->exception_ = std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
+ }
+ break;
+
+ case State::LINK_FAILURE:
+ XBT_DEBUG("Link failure in synchro %p between '%s' and '%s': posting an exception to the issuer: %s (%p) "
+ "detached:%d",
+ this, src_actor_ ? src_actor_->get_host()->get_cname() : nullptr,
+ dst_actor_ ? dst_actor_->get_host()->get_cname() : nullptr, issuer->get_cname(), issuer, detached_);
+ if (src_actor_ == issuer) {
+ XBT_DEBUG("I'm source");
+ } else if (dst_actor_ == issuer) {
+ XBT_DEBUG("I'm dest");
+ } else {
+ XBT_DEBUG("I'm neither source nor dest");
+ }
+ set_state(State::FAILED);
+ issuer->throw_exception(std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Link failure")));
+ break;
+
+ case State::CANCELED:
+ if (issuer == dst_actor_)
+ issuer->exception_ =
+ std::make_exception_ptr(CancelException(XBT_THROW_POINT, "Communication canceled by the sender"));
+ else
+ issuer->exception_ =
+ std::make_exception_ptr(CancelException(XBT_THROW_POINT, "Communication canceled by the receiver"));
+ break;
+
+ default:
+ xbt_assert(get_state() == State::DONE, "Internal error in CommImpl::finish(): unexpected synchro state %s",
+ get_state_str());
+ }
+}
void CommImpl::finish()
{
- XBT_DEBUG("CommImpl::finish() in state %s", to_c_str(state_));
+ XBT_DEBUG("CommImpl::finish() in state %s", get_state_str());
/* If the synchro is still in a rendez-vous point then remove from it */
if (mbox_)
mbox_->remove(this);
- if (state_ == State::DONE)
+ if (get_state() == State::DONE)
copy_data();
while (not simcalls_.empty()) {
if (not simcall->issuer_->get_host()->is_on()) {
simcall->issuer_->context_->set_wannadie();
} else {
- switch (state_) {
- case State::FAILED:
- simcall->issuer_->exception_ =
- std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
- break;
- case State::SRC_TIMEOUT:
- simcall->issuer_->exception_ = std::make_exception_ptr(
- TimeoutException(XBT_THROW_POINT, "Communication timeouted because of the sender"));
- break;
-
- case State::DST_TIMEOUT:
- simcall->issuer_->exception_ = std::make_exception_ptr(
- TimeoutException(XBT_THROW_POINT, "Communication timeouted because of the receiver"));
- break;
-
- case State::SRC_HOST_FAILURE:
- if (simcall->issuer_ == src_actor_)
- simcall->issuer_->context_->set_wannadie();
- else {
- state_ = kernel::activity::State::FAILED;
- simcall->issuer_->exception_ =
- std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
- }
- break;
-
- case State::DST_HOST_FAILURE:
- if (simcall->issuer_ == dst_actor_)
- simcall->issuer_->context_->set_wannadie();
- else {
- state_ = kernel::activity::State::FAILED;
- simcall->issuer_->exception_ =
- std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
- }
- break;
-
- case State::LINK_FAILURE:
- XBT_DEBUG("Link failure in synchro %p between '%s' and '%s': posting an exception to the issuer: %s (%p) "
- "detached:%d",
- this, src_actor_ ? src_actor_->get_host()->get_cname() : nullptr,
- dst_actor_ ? dst_actor_->get_host()->get_cname() : nullptr, simcall->issuer_->get_cname(),
- simcall->issuer_, detached_);
- if (src_actor_ == simcall->issuer_) {
- XBT_DEBUG("I'm source");
- } else if (dst_actor_ == simcall->issuer_) {
- XBT_DEBUG("I'm dest");
- } else {
- XBT_DEBUG("I'm neither source nor dest");
- }
- state_ = kernel::activity::State::FAILED;
- simcall->issuer_->throw_exception(
- std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Link failure")));
- break;
-
- case State::CANCELED:
- if (simcall->issuer_ == dst_actor_)
- simcall->issuer_->exception_ =
- std::make_exception_ptr(CancelException(XBT_THROW_POINT, "Communication canceled by the sender"));
- else
- simcall->issuer_->exception_ =
- std::make_exception_ptr(CancelException(XBT_THROW_POINT, "Communication canceled by the receiver"));
- break;
-
- default:
- xbt_assert(state_ == State::DONE, "Internal error in CommImpl::finish(): unexpected synchro state %s",
- to_c_str(state_));
- }
+ set_exception(simcall->issuer_);
simcall->issuer_->simcall_answer();
}
/* if there is an exception during a waitany or a testany, indicate the position of the failed communication */
