-/* Copyright (c) 2007-2022. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2023. 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 <simgrid/modelchecker.h>
#include <simgrid/s4u/Host.hpp>
+#include "src/kernel/EngineImpl.hpp"
#include "src/kernel/activity/CommImpl.hpp"
#include "src/kernel/activity/MailboxImpl.hpp"
#include "src/kernel/actor/SimcallObserver.hpp"
-#include "src/kernel/context/Context.hpp"
#include "src/kernel/resource/CpuImpl.hpp"
-#include "src/kernel/resource/LinkImpl.hpp"
+#include "src/kernel/resource/NetworkModel.hpp"
#include "src/kernel/resource/StandardLinkImpl.hpp"
#include "src/mc/mc_replay.hpp"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(ker_network, kernel, "Kernel network-related synchronization");
-/******************************************************************************/
-/* SIMIX_comm_copy_data callbacks */
-/******************************************************************************/
-// XBT_ATTRIB_DEPRECATED_v333
-void SIMIX_comm_set_copy_data_callback(void (*callback)(simgrid::kernel::activity::CommImpl*, void*, size_t))
+namespace simgrid::kernel::activity {
+
+unsigned CommImpl::next_id_ = 0;
+
+std::function<void(CommImpl*, void*, size_t)> CommImpl::copy_data_callback_ = [](kernel::activity::CommImpl* comm,
+ void* buff, size_t buff_size) {
+ xbt_assert((buff_size == sizeof(void*)), "Cannot copy %zu bytes: must be sizeof(void*)", buff_size);
+ if (comm->dst_buff_ != nullptr) // get_async provided a buffer
+ *(void**)(comm->dst_buff_) = buff;
+ comm->payload_ = buff; // Setup what will be retrieved by s4u::Comm::get_payload()
+};
+
+void CommImpl::set_copy_data_callback(const std::function<void(CommImpl*, void*, size_t)>& callback)
{
- simgrid::kernel::activity::CommImpl::set_copy_data_callback(callback);
+ copy_data_callback_ = callback;
}
-// XBT_ATTRIB_DEPRECATED_v333
-void SIMIX_comm_copy_buffer_callback(simgrid::kernel::activity::CommImpl* comm, void* buff, size_t buff_size)
+CommImpl& CommImpl::set_type(CommImplType type)
{
- simgrid::s4u::Comm::copy_buffer_callback(comm, buff, buff_size);
+ type_ = type;
+ return *this;
}
-// XBT_ATTRIB_DEPRECATED_v333
-void SIMIX_comm_copy_pointer_callback(simgrid::kernel::activity::CommImpl* comm, void* buff, size_t buff_size)
+CommImpl& CommImpl::set_source(s4u::Host* from)
{
- simgrid::s4u::Comm::copy_pointer_callback(comm, buff, buff_size);
+ xbt_assert( from_ == nullptr );
+ from_ = from;
+ add_host(from);
+ return *this;
}
-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;
-
-void CommImpl::set_copy_data_callback(void (*callback)(CommImpl*, void*, size_t))
+CommImpl& CommImpl::set_destination(s4u::Host* to)
{
- copy_data_callback_ = callback;
+ xbt_assert( to_ == nullptr );
+ to_ = to;
+ add_host(to_);
+ return *this;
}
CommImpl& CommImpl::set_size(double size)
CommImpl& CommImpl::detach()
{
detached_ = true;
+ EngineImpl::get_instance()->get_maestro()->activities_.insert(this);
return *this;
}
-CommImpl::CommImpl(s4u::Host* from, s4u::Host* to, double bytes) : size_(bytes), detached_(true), from_(from), to_(to)
-{
- set_state(State::READY);
-}
-
CommImpl::~CommImpl()
{
XBT_DEBUG("Really free communication %p in state %s (detached = %d)", this, get_state_str(), detached_);
- cleanup_surf();
+ clean_action();
if (detached_ && get_state() != State::DONE) {
/* the communication has failed and was detached:
/* 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 */
+ * routes and later create the respective model actions */
auto net_model = from_->get_netpoint()->get_englobing_zone()->get_network_model();
- surf_action_ = net_model->communicate(from_, to_, size_, rate_);
- surf_action_->set_activity(this);
- surf_action_->set_category(get_tracing_category());
- set_start_time(surf_action_->get_start_time());
+ model_action_ = net_model->communicate(from_, to_, size_, rate_, false);
+ model_action_->set_activity(this);
+ model_action_->set_category(get_tracing_category());
+ set_start_time(model_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());
+ XBT_DEBUG("Starting communication %p from '%s' to '%s' (model action: %p; state: %s)", this, from_->get_cname(),
+ to_->get_cname(), model_action_, get_state_str());
/* If a link is failed, detect it immediately */
- if (surf_action_->get_state() == resource::Action::State::FAILED) {
+ if (model_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());
set_state(State::LINK_FAILURE);
- post();
+ finish();
} else if ((src_actor_ != nullptr && src_actor_->is_suspended()) ||
(dst_actor_ != nullptr && dst_actor_->is_suspended())) {
/* If any of the actor is suspended, create the synchro but stop its execution,
- it will be restarted when the sender actor resume */
+ it will be restarted when the sender actor resumes */
if (src_actor_->is_suspended())
XBT_DEBUG("The communication is suspended on startup because src (%s@%s) was suspended since it initiated the "
"communication",
"communication",
dst_actor_->get_cname(), dst_actor_->get_host()->get_cname());
- surf_action_->suspend();
+ model_action_->suspend();
}
}
{
size_t buff_size = src_buff_size_;
/* If there is no data to copy then return */
- if (not src_buff_ || not dst_buff_ || copied_)
+ if (not src_buff_ || not dst_buff_size_ || copied_)
return;
XBT_DEBUG("Copying comm %p data from %s (%p) -> %s (%p) (%zu bytes)", this,
XBT_DEBUG("send from mailbox %p", mbox);
/* Prepare a synchro describing us, so that it gets passed to the user-provided filter of other side */
- CommImplPtr this_comm(new CommImpl(CommImpl::Type::SEND));
+ CommImplPtr this_comm(new CommImpl());
+ this_comm->set_type(CommImplType::SEND);
/* Look for communication synchro matching our needs. We also provide a description of
* ourself so that the other side also gets a chance of choosing if it wants to match with us.
*
* If it is not found then push our communication into the rendez-vous point */
CommImplPtr other_comm =
- mbox->find_matching_comm(CommImpl::Type::RECEIVE, observer->get_match_fun(), observer->get_payload(), this_comm,
+ mbox->find_matching_comm(CommImplType::RECEIVE, observer->get_match_fun(), observer->get_payload(), this_comm,
/*done*/ false, /*remove_matching*/ true);
if (not other_comm) {
other_comm->clean_fun = observer->get_clean_fun();
} else {
other_comm->clean_fun = nullptr;
- observer->get_issuer()->activities_.emplace_back(other_comm);
+ observer->get_issuer()->activities_.insert(other_comm);
}
/* Setup the communication synchro */
ActivityImplPtr CommImpl::irecv(actor::CommIrecvSimcall* observer)
{
- CommImplPtr this_synchro(new CommImpl(CommImpl::Type::RECEIVE));
+ CommImplPtr this_synchro(new CommImpl());
+ this_synchro->set_type(CommImplType::RECEIVE);
+
auto* mbox = observer->get_mailbox();
XBT_DEBUG("recv from mbox %p. this_synchro=%p", mbox, this_synchro.get());
if (mbox->is_permanent() && mbox->has_some_done_comm()) {
XBT_DEBUG("We have a comm that has probably already been received, trying to match it, to skip the communication");
// find a match in the list of already received comms
- other_comm = mbox->find_matching_comm(CommImpl::Type::SEND, observer->get_match_fun(), observer->get_payload(),
+ other_comm = mbox->find_matching_comm(CommImplType::SEND, observer->get_match_fun(), observer->get_payload(),
this_synchro, /*done*/ true, /*remove_matching*/ true);
- // if not found, assume the receiver came first, register it to the mailbox in the classical way
- if (not other_comm) {
- XBT_DEBUG("We have messages in the permanent receive list, but not the one we are looking for, pushing request "
- "into list");
- other_comm = std::move(this_synchro);
- mbox->push(other_comm);
+ if (other_comm && other_comm->model_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->set_state(State::DONE);
+ other_comm->set_mailbox(nullptr);
} 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->set_state(State::DONE);
- other_comm->set_mailbox(nullptr);
+ // if not found, assume the receiver came first, register it to the mailbox in the classical way
+ if (not other_comm) {
+ XBT_DEBUG("We have messages in the permanent receive list, but not the one we are looking for, pushing request "
+ "into list");
+ other_comm = std::move(this_synchro);
+ mbox->push(other_comm);
}
+ observer->get_issuer()->activities_.insert(other_comm);
}
} else {
/* Prepare a comm describing us, so that it gets passed to the user-provided filter of other side */
* ourself so that the other side also gets a chance of choosing if it wants to match with us.
*
* If it is not found then push our communication into the rendez-vous point */
- other_comm = mbox->find_matching_comm(CommImpl::Type::SEND, observer->get_match_fun(), observer->get_payload(),
+ other_comm = mbox->find_matching_comm(CommImplType::SEND, observer->get_match_fun(), observer->get_payload(),
this_synchro, /*done*/ false, /*remove_matching*/ true);
if (other_comm == nullptr) {
other_comm->set_state(simgrid::kernel::activity::State::READY);
}
- observer->get_issuer()->activities_.emplace_back(other_comm);
+ observer->get_issuer()->activities_.insert(other_comm);
}
observer->set_comm(other_comm.get());
void CommImpl::suspend()
{
/* FIXME: shall we suspend also the timeout synchro? */
- if (surf_action_)
- surf_action_->suspend();
+ if (model_action_)
+ model_action_->suspend();
/* if not created yet, the action will be suspended on creation, in CommImpl::start() */
}
void CommImpl::resume()
{
/*FIXME: check what happen with the timeouts */
- if (surf_action_)
- surf_action_->resume();
+ if (model_action_)
+ model_action_->resume();
/* in the other case, the synchro were not really suspended yet, see CommImpl::suspend() and CommImpl::start() */
}
mbox_->remove(this);
set_state(State::CANCELED);
}
- } else if (not MC_is_active() /* when running the MC there are no surf actions */
+ } else if (not MC_is_active() /* when running the MC there are no model actions */
&& not MC_record_replay_is_active() && (get_state() == State::READY || get_state() == State::RUNNING)) {
- surf_action_->cancel();
+ model_action_->cancel();
}
}
-/** @brief This is part of the cleanup process, probably an internal command */
-void CommImpl::cleanup_surf()
-{
- clean_action();
-
- if (src_timeout_) {
- src_timeout_->unref();
- src_timeout_ = nullptr;
- }
-
- if (dst_timeout_) {
- dst_timeout_->unref();
- dst_timeout_ = nullptr;
- }
-}
-
-void CommImpl::post()
-{
- on_completion(*this);
-
- /* Update synchro state */
- if (src_timeout_ && src_timeout_->get_state() == resource::Action::State::FINISHED)
- set_state(State::SRC_TIMEOUT);
- else if (dst_timeout_ && dst_timeout_->get_state() == resource::Action::State::FINISHED)
- set_state(State::DST_TIMEOUT);
- else if ((from_ && not from_->is_on()) || (src_timeout_ && src_timeout_->get_state() == resource::Action::State::FAILED))
- set_state(State::SRC_HOST_FAILURE);
- else if ((to_ && not to_->is_on()) || (dst_timeout_ && dst_timeout_->get_state() == resource::Action::State::FAILED))
- set_state(State::DST_HOST_FAILURE);
- else if (surf_action_ && surf_action_->get_state() == resource::Action::State::FAILED) {
- set_state(State::LINK_FAILURE);
- } else if (get_state() == State::RUNNING) {
- xbt_assert(from_ && from_->is_on());
- xbt_assert(to_ && to_->is_on());
- 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_);
-
- /* destroy the surf actions associated with the Simix communication */
- cleanup_surf();
-
- /* Answer all simcalls associated with the synchro */
- finish();
-}
void CommImpl::set_exception(actor::ActorImpl* issuer)
{
switch (get_state()) {
case State::SRC_HOST_FAILURE:
if (issuer == src_actor_)
- issuer->context_->set_wannadie();
+ issuer->set_wannadie();
else {
set_state(State::FAILED);
issuer->exception_ = std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
case State::DST_HOST_FAILURE:
if (issuer == dst_actor_)
- issuer->context_->set_wannadie();
+ issuer->set_wannadie();
else {
set_state(State::FAILED);
issuer->exception_ = std::make_exception_ptr(NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
void CommImpl::finish()
{
- XBT_DEBUG("CommImpl::finish() in state %s", get_state_str());
+ XBT_DEBUG("CommImpl::finish() comm %p, state %s, src_proc %p, dst_proc %p, detached: %d", this, get_state_str(),
+ src_actor_.get(), dst_actor_.get(), detached_);
+
+ if (get_iface()) {
+ const auto& piface = static_cast<const s4u::Comm&>(*get_iface());
+ set_iface(nullptr); // reset iface to protect against multiple trigger of the on_completion signals
+ piface.fire_on_completion_for_real();
+ piface.fire_on_this_completion_for_real();
+ }
+
+ /* Update synchro state */
+ if (src_timeout_ && src_timeout_->get_state() == resource::Action::State::FINISHED)
+ set_state(State::SRC_TIMEOUT);
+ else if (dst_timeout_ && dst_timeout_->get_state() == resource::Action::State::FINISHED)
+ set_state(State::DST_TIMEOUT);
+ else if ((from_ && not from_->is_on()) ||
+ (src_timeout_ && src_timeout_->get_state() == resource::Action::State::FAILED))
+ set_state(State::SRC_HOST_FAILURE);
+ else if ((to_ && not to_->is_on()) || (dst_timeout_ && dst_timeout_->get_state() == resource::Action::State::FAILED))
+ set_state(State::DST_HOST_FAILURE);
+ else if (model_action_ && model_action_->get_state() == resource::Action::State::FAILED) {
+ set_state(State::LINK_FAILURE);
+ } else if (get_state() == State::RUNNING) {
+ xbt_assert(from_ && from_->is_on());
+ xbt_assert(to_ && to_->is_on());
+ set_state(State::DONE);
+ }
+ src_timeout_ = nullptr;
+ dst_timeout_ = nullptr;
+
+ /* destroy the model actions associated with the communication activity */
+ clean_action();
+
/* If the synchro is still in a rendez-vous point then remove from it */
if (mbox_)
mbox_->remove(this);
if (get_state() == State::DONE)
copy_data();
+ if (detached_)
+ EngineImpl::get_instance()->get_maestro()->activities_.erase(this);
+
while (not simcalls_.empty()) {
- smx_simcall_t simcall = simcalls_.front();
+ actor::Simcall* simcall = simcalls_.front();
simcalls_.pop_front();
/* If a waitany simcall is waiting for this synchro to finish, then remove it from the other synchros in the waitany
* list. Afterwards, get the position of the actual synchro in the waitany list and return it as the result of the
* simcall */
- if (simcall->call_ == simix::Simcall::NONE) // FIXME: maybe a better way to handle this case
- continue; // if actor handling comm is killed
+ if (simcall->call_ == actor::Simcall::Type::NONE) // FIXME: maybe a better way to handle this case
+ continue; // if actor handling comm is killed
handle_activity_waitany(simcall);
/* Check out for errors */
if (not simcall->issuer_->get_host()->is_on()) {
- simcall->issuer_->context_->set_wannadie();
+ simcall->issuer_->set_wannadie();
} else {
// Do not answer to dying actors
- if (not simcall->issuer_->context_->wannadie()) {
+ if (not simcall->issuer_->wannadie()) {
set_exception(simcall->issuer_);
simcall->issuer_->simcall_answer();
}
}
simcall->issuer_->waiting_synchro_ = nullptr;
- simcall->issuer_->activities_.remove(this);
+ simcall->issuer_->activities_.erase(this);
if (detached_) {
if (simcall->issuer_ != dst_actor_ && dst_actor_ != nullptr)
- dst_actor_->activities_.remove(this);
+ dst_actor_->activities_.erase(this);
if (simcall->issuer_ != src_actor_ && src_actor_ != nullptr)
- src_actor_->activities_.remove(this);
+ src_actor_->activities_.erase(this);
}
}
}
-} // namespace activity
-} // namespace kernel
-} // namespace simgrid
+} // namespace simgrid::kernel::activity