-/* 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");
namespace simgrid {
namespace kernel {
namespace activity {
+xbt::signal<void(CommImpl const&)> CommImpl::on_start;
+xbt::signal<void(CommImpl const&)> CommImpl::on_completion;
void (*CommImpl::copy_data_callback_)(CommImpl*, void*, size_t) = &s4u::Comm::copy_pointer_callback;
if (state_ == State::READY) {
from_ = from_ != nullptr ? from_ : src_actor_->get_host();
to_ = to_ != nullptr ? to_ : dst_actor_->get_host();
-
/* 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());
+ start_time_ = surf_action_->get_start_time();
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());
return this;
}
+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__,
+ get_state_str());
+ std::vector<s4u::Link*> vlinks;
+ XBT_ATTRIB_UNUSED double res = 0;
+ from_->route_to(to_, vlinks, &res);
+ return vlinks;
+}
+
/** @brief Copy the communication data from the sender's buffer to the receiver's one */
void CommImpl::copy_data()
{
void CommImpl::post()
{
+ on_completion(*this);
+
/* Update synchro state */
if (src_timeout_ && src_timeout_->get_state() == resource::Action::State::FINISHED)
state_ = State::SRC_TIMEOUT;
/* Answer all simcalls associated with the synchro */
finish();
}
+void CommImpl::set_exception(actor::ActorImpl* issuer)
+{
+ switch (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 {
+ state_ = kernel::activity::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 {
+ state_ = kernel::activity::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");
+ }
+ state_ = kernel::activity::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(state_ == State::DONE, "Internal error in CommImpl::finish(): unexpected synchro state %s",
+ to_c_str(state_));
+ }
+}
void CommImpl::finish()
{
XBT_DEBUG("CommImpl::finish() in state %s", to_c_str(state_));
-
/* If the synchro is still in a rendez-vous point then remove from it */
if (mbox_)
mbox_->remove(this);
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 */
