-/* Copyright (c) 2009-2016. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2009-2019. 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/surf/surf_interface.hpp"
-#include "src/simix/smx_private.h"
-#include "xbt/log.h"
#include "mc/mc.h"
-#include "src/mc/mc_replay.h"
-#include "xbt/dict.h"
-#include "simgrid/s4u/mailbox.hpp"
+#include "simgrid/Exception.hpp"
+#include "src/kernel/activity/MailboxImpl.hpp"
+#include "src/mc/mc_replay.hpp"
+#include "src/simix/smx_private.hpp"
+#include "src/surf/cpu_interface.hpp"
+#include "src/surf/network_interface.hpp"
-#include "src/simix/SynchroComm.hpp"
+#include <boost/range/algorithm.hpp>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(simix_network, simix, "SIMIX network-related synchronization");
-static void SIMIX_mbox_free(void *data);
-static xbt_dict_t mailboxes = xbt_dict_new_homogeneous(SIMIX_mbox_free);
-
static void SIMIX_waitany_remove_simcall_from_actions(smx_simcall_t simcall);
-static void SIMIX_comm_copy_data(smx_synchro_t comm);
-static inline void SIMIX_mbox_push(smx_mailbox_t mbox, smx_synchro_t comm);
-static smx_synchro_t _find_matching_comm(std::deque<smx_synchro_t> *deque, e_smx_comm_type_t type,
- int (*match_fun)(void *, void *,smx_synchro_t), void *user_data, smx_synchro_t my_synchro, bool remove_matching);
-static void SIMIX_comm_start(smx_synchro_t synchro);
-
-void SIMIX_mailbox_exit(void)
-{
- xbt_dict_free(&mailboxes);
-}
-
-/******************************************************************************/
-/* Rendez-Vous Points */
-/******************************************************************************/
-
-smx_mailbox_t SIMIX_mbox_create(const char *name)
-{
- xbt_assert(name, "Mailboxes must have a name");
- /* two processes may have pushed the same mbox_create simcall at the same time */
- smx_mailbox_t mbox = (smx_mailbox_t) xbt_dict_get_or_null(mailboxes, name);
-
- if (!mbox) {
- mbox = xbt_new0(s_smx_mailbox_t, 1);
- mbox->name = xbt_strdup(name);
- mbox->comm_queue = new std::deque<smx_synchro_t>();
- mbox->done_comm_queue = nullptr; // Allocated on need only
- mbox->permanent_receiver=NULL;
-
- XBT_DEBUG("Creating a mailbox at %p with name %s", mbox, name);
- xbt_dict_set(mailboxes, mbox->name, mbox, NULL);
- }
- return mbox;
-}
-
-void SIMIX_mbox_free(void *data)
-{
- XBT_DEBUG("mbox free %p", data);
- smx_mailbox_t mbox = (smx_mailbox_t) data;
- xbt_free(mbox->name);
- delete mbox->comm_queue;
- delete mbox->done_comm_queue;
-
- xbt_free(mbox);
-}
-
-smx_mailbox_t SIMIX_mbox_get_by_name(const char *name)
-{
- return (smx_mailbox_t) xbt_dict_get_or_null(mailboxes, name);
-}
-
-/**
- * \brief set the receiver of the rendez vous point to allow eager sends
- * \param mbox The rendez-vous point
- * \param process The receiving process
- */
-void SIMIX_mbox_set_receiver(smx_mailbox_t mbox, smx_process_t process)
-{
- mbox->permanent_receiver=process;
- if (mbox->done_comm_queue == nullptr)
- mbox->done_comm_queue = new std::deque<smx_synchro_t>();
-}
-
-/**
- * \brief Pushes a communication synchro into a rendez-vous point
- * \param mbox The mailbox
- * \param comm The communication synchro
- */
-static inline void SIMIX_mbox_push(smx_mailbox_t mbox, smx_synchro_t synchro)
-{
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
-
- mbox->comm_queue->push_back(comm);
- comm->mbox = mbox;
-}
-
-/**
- * \brief Removes a communication synchro from a rendez-vous point
- * \param mbox The rendez-vous point
- * \param comm The communication synchro
- */
-void SIMIX_mbox_remove(smx_mailbox_t mbox, smx_synchro_t synchro)
-{
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
-
- comm->mbox = NULL;
- for (auto it = mbox->comm_queue->begin(); it != mbox->comm_queue->end(); it++)
- if (*it == comm) {
- mbox->comm_queue->erase(it);
- return;
- }
- xbt_die("Cannot remove this comm that is not part of the mailbox");
-}
-
-/**
- * \brief Checks if there is a communication synchro queued in a deque matching our needs
- * \param type The type of communication we are looking for (comm_send, comm_recv)
- * \return The communication synchro if found, NULL otherwise
- */
-static smx_synchro_t _find_matching_comm(std::deque<smx_synchro_t> *deque, e_smx_comm_type_t type,
- int (*match_fun)(void *, void *,smx_synchro_t), void *this_user_data, smx_synchro_t my_synchro, bool remove_matching)
-{
- void* other_user_data = NULL;
-
- for(auto it = deque->begin(); it != deque->end(); it++){
- smx_synchro_t synchro = *it;
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
-
- if (comm->type == SIMIX_COMM_SEND) {
- other_user_data = comm->src_data;
- } else if (comm->type == SIMIX_COMM_RECEIVE) {
- other_user_data = comm->dst_data;
- }
- if (comm->type == type &&
- (! match_fun || match_fun(this_user_data, other_user_data, synchro)) &&
- (!comm->match_fun || comm->match_fun(other_user_data, this_user_data, my_synchro))) {
- XBT_DEBUG("Found a matching communication synchro %p", comm);
- if (remove_matching)
- deque->erase(it);
- comm->ref();
-#if HAVE_MC
- comm->mbox_cpy = comm->mbox;
-#endif
- comm->mbox = NULL;
- return comm;
- }
- XBT_DEBUG("Sorry, communication synchro %p does not match our needs:"
- " its type is %d but we are looking for a comm of type %d (or maybe the filtering didn't match)",
- comm, (int)comm->type, (int)type);
- }
- XBT_DEBUG("No matching communication synchro found");
- return NULL;
-}
/******************************************************************************/
/* Communication synchros */
/******************************************************************************/
-void simcall_HANDLER_comm_send(smx_simcall_t simcall, smx_process_t src, smx_mailbox_t mbox,
- double task_size, double rate,
- void *src_buff, size_t src_buff_size,
- int (*match_fun)(void *, void *,smx_synchro_t),
- void (*copy_data_fun)(smx_synchro_t, void*, size_t),
- void *data, double timeout){
- smx_synchro_t comm = simcall_HANDLER_comm_isend(simcall, src, mbox, task_size, rate,
- src_buff, src_buff_size, match_fun, NULL, copy_data_fun,
+XBT_PRIVATE void simcall_HANDLER_comm_send(smx_simcall_t simcall, smx_actor_t src, smx_mailbox_t mbox, double task_size,
+ double rate, void* src_buff, size_t src_buff_size,
+ int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
+ void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
+ double timeout)
+{
+ smx_activity_t comm = simcall_HANDLER_comm_isend(simcall, src, mbox, task_size, rate,
+ src_buff, src_buff_size, match_fun, nullptr, copy_data_fun,
data, 0);
SIMCALL_SET_MC_VALUE(simcall, 0);
simcall_HANDLER_comm_wait(simcall, comm, timeout);
}
-smx_synchro_t simcall_HANDLER_comm_isend(smx_simcall_t simcall, smx_process_t src_proc, smx_mailbox_t mbox,
- double task_size, double rate,
- void *src_buff, size_t src_buff_size,
- int (*match_fun)(void *, void *,smx_synchro_t),
- void (*clean_fun)(void *), // used to free the synchro in case of problem after a detached send
- void (*copy_data_fun)(smx_synchro_t, void*, size_t),// used to copy data if not default one
- void *data, int detached)
+
+XBT_PRIVATE smx_activity_t simcall_HANDLER_comm_isend(
+ smx_simcall_t /*simcall*/, smx_actor_t src_proc, smx_mailbox_t mbox, double task_size, double rate, void* src_buff,
+ size_t src_buff_size, int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
+ void (*clean_fun)(void*), // used to free the synchro in case of problem after a detached send
+ void (*copy_data_fun)(smx_activity_t, void*, size_t), // used to copy data if not default one
+ void* data, int detached)
{
- XBT_DEBUG("send from %p", mbox);
+ 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 */
- simgrid::simix::Comm* this_synchro = new simgrid::simix::Comm(SIMIX_COMM_SEND);
+ simgrid::kernel::activity::CommImplPtr this_comm = simgrid::kernel::activity::CommImplPtr(
+ new simgrid::kernel::activity::CommImpl(simgrid::kernel::activity::CommImpl::Type::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 */
- smx_synchro_t other_synchro =
- _find_matching_comm(mbox->comm_queue, SIMIX_COMM_RECEIVE, match_fun, data, this_synchro, /*remove_matching*/true);
- simgrid::simix::Comm *other_comm = static_cast<simgrid::simix::Comm*>(other_synchro);
-
+ simgrid::kernel::activity::CommImplPtr other_comm =
+ mbox->find_matching_comm(simgrid::kernel::activity::CommImpl::Type::RECEIVE, match_fun, data, this_comm,
+ /*done*/ false, /*remove_matching*/ true);
- if (!other_synchro) {
- other_synchro = this_synchro;
- other_comm = static_cast<simgrid::simix::Comm*>(other_synchro);
+ if (not other_comm) {
+ other_comm = std::move(this_comm);
- if (mbox->permanent_receiver!=NULL){
+ if (mbox->permanent_receiver_ != nullptr) {
//this mailbox is for small messages, which have to be sent right now
- other_synchro->state = SIMIX_READY;
- other_comm->dst_proc=mbox->permanent_receiver;
- other_comm->ref();
- mbox->done_comm_queue->push_back(other_synchro);
- other_comm->mbox=mbox;
- XBT_DEBUG("pushing a message into the permanent receive fifo %p, comm %p", mbox, &(other_comm));
+ other_comm->state_ = SIMIX_READY;
+ other_comm->dst_actor_ = mbox->permanent_receiver_.get();
+ mbox->done_comm_queue_.push_back(other_comm);
+ XBT_DEBUG("pushing a message into the permanent receive list %p, comm %p", mbox, other_comm.get());
}else{
- SIMIX_mbox_push(mbox, this_synchro);
+ mbox->push(other_comm);
}
} else {
XBT_DEBUG("Receive already pushed");
- this_synchro->unref();
-
- other_comm->state = SIMIX_READY;
- other_comm->type = SIMIX_COMM_READY;
+ other_comm->state_ = SIMIX_READY;
+ other_comm->type = simgrid::kernel::activity::CommImpl::Type::READY;
}
- xbt_fifo_push(src_proc->comms, other_synchro);
+ src_proc->comms.push_back(other_comm);
- /* if the communication synchro is detached then decrease the refcount
- * by one, so it will be eliminated by the receiver's destroy call */
if (detached) {
other_comm->detached = true;
- other_comm->ref();
other_comm->clean_fun = clean_fun;
} else {
- other_comm->clean_fun = NULL;
+ other_comm->clean_fun = nullptr;
}
/* Setup the communication synchro */
- other_comm->src_proc = src_proc;
- other_comm->task_size = task_size;
- other_comm->rate = rate;
- other_comm->src_buff = src_buff;
- other_comm->src_buff_size = src_buff_size;
- other_comm->src_data = data;
+ other_comm->src_actor_ = src_proc;
+ other_comm->task_size_ = task_size;
+ other_comm->rate_ = rate;
+ other_comm->src_buff_ = src_buff;
+ other_comm->src_buff_size_ = src_buff_size;
+ other_comm->src_data_ = data;
other_comm->match_fun = match_fun;
other_comm->copy_data_fun = copy_data_fun;
if (MC_is_active() || MC_record_replay_is_active()) {
- other_comm->state = SIMIX_RUNNING;
- return (detached ? NULL : other_comm);
+ other_comm->state_ = SIMIX_RUNNING;
+ return (detached ? nullptr : other_comm);
}
- SIMIX_comm_start(other_comm);
- return (detached ? NULL : other_comm);
+ other_comm->start();
+
+ return (detached ? nullptr : other_comm);
}
-void simcall_HANDLER_comm_recv(smx_simcall_t simcall, smx_process_t receiver, smx_mailbox_t mbox,
- void *dst_buff, size_t *dst_buff_size,
- int (*match_fun)(void *, void *, smx_synchro_t),
- void (*copy_data_fun)(smx_synchro_t, void*, size_t),
- void *data, double timeout, double rate)
+XBT_PRIVATE void simcall_HANDLER_comm_recv(smx_simcall_t simcall, smx_actor_t receiver, smx_mailbox_t mbox,
+ void* dst_buff, size_t* dst_buff_size,
+ int (*match_fun)(void*, void*, simgrid::kernel::activity::CommImpl*),
+ void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
+ double timeout, double rate)
{
- smx_synchro_t comm = SIMIX_comm_irecv(receiver, mbox, dst_buff, dst_buff_size, match_fun, copy_data_fun, data, rate);
+ smx_activity_t comm = simcall_HANDLER_comm_irecv(simcall, receiver, mbox, dst_buff, dst_buff_size, match_fun,
+ copy_data_fun, data, rate);
SIMCALL_SET_MC_VALUE(simcall, 0);
simcall_HANDLER_comm_wait(simcall, comm, timeout);
}
-smx_synchro_t simcall_HANDLER_comm_irecv(smx_simcall_t simcall, smx_process_t receiver, smx_mailbox_t mbox,
- void *dst_buff, size_t *dst_buff_size,
- int (*match_fun)(void *, void *, smx_synchro_t),
- void (*copy_data_fun)(smx_synchro_t, void*, size_t),
- void *data, double rate)
-{
- return SIMIX_comm_irecv(receiver, mbox, dst_buff, dst_buff_size, match_fun, copy_data_fun, data, rate);
-}
-
-smx_synchro_t SIMIX_comm_irecv(smx_process_t dst_proc, smx_mailbox_t mbox, void *dst_buff, size_t *dst_buff_size,
- int (*match_fun)(void *, void *, smx_synchro_t),
- void (*copy_data_fun)(smx_synchro_t, void*, size_t), // used to copy data if not default one
- void *data, double rate)
+XBT_PRIVATE smx_activity_t simcall_HANDLER_comm_irecv(smx_simcall_t /*simcall*/, smx_actor_t receiver,
+ smx_mailbox_t mbox, void* dst_buff, size_t* dst_buff_size,
+ simix_match_func_t match_fun,
+ void (*copy_data_fun)(smx_activity_t, void*, size_t), void* data,
+ double rate)
{
- XBT_DEBUG("recv from %p %p", mbox, mbox->comm_queue);
- simgrid::simix::Comm* this_synchro = new simgrid::simix::Comm(SIMIX_COMM_RECEIVE);
+ simgrid::kernel::activity::CommImplPtr this_synchro = simgrid::kernel::activity::CommImplPtr(
+ new simgrid::kernel::activity::CommImpl(simgrid::kernel::activity::CommImpl::Type::RECEIVE));
+ XBT_DEBUG("recv from mbox %p. this_synchro=%p", mbox, this_synchro.get());
- smx_synchro_t other_synchro;
- //communication already done, get it inside the fifo of completed comms
- if (mbox->permanent_receiver && ! mbox->done_comm_queue->empty()) {
+ simgrid::kernel::activity::CommImplPtr other_comm;
+ //communication already done, get it inside the list of completed comms
+ if (mbox->permanent_receiver_ != nullptr && not mbox->done_comm_queue_.empty()) {
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 already received fifo
- other_synchro = _find_matching_comm(mbox->done_comm_queue, SIMIX_COMM_SEND, match_fun, data, this_synchro,/*remove_matching*/true);
+ //find a match in the list of already received comms
+ other_comm = mbox->find_matching_comm(simgrid::kernel::activity::CommImpl::Type::SEND, match_fun, data,
+ 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 (!other_synchro) {
- XBT_DEBUG("We have messages in the permanent receive list, but not the one we are looking for, pushing request into fifo");
- other_synchro = this_synchro;
- SIMIX_mbox_push(mbox, this_synchro);
+ 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);
} else {
- simgrid::simix::Comm *other_comm = static_cast<simgrid::simix::Comm*>(other_synchro);
-
- if(other_comm->surf_comm && other_comm->remains()==0.0) {
- XBT_DEBUG("comm %p has been already sent, and is finished, destroy it",other_comm);
- other_comm->state = SIMIX_DONE;
- other_comm->type = SIMIX_COMM_DONE;
- other_comm->mbox = NULL;
+ if (other_comm->surf_action_ && other_comm->remains() < 1e-12) {
+ XBT_DEBUG("comm %p has been already sent, and is finished, destroy it", other_comm.get());
+ other_comm->state_ = SIMIX_DONE;
+ other_comm->type = simgrid::kernel::activity::CommImpl::Type::DONE;
+ other_comm->mbox = nullptr;
}
- other_comm->unref();
- static_cast<simgrid::simix::Comm*>(this_synchro)->unref();
}
} else {
- /* Prepare a synchro describing us, so that it gets passed to the user-provided filter of other side */
+ /* Prepare a comm describing us, so that it gets passed to the user-provided filter of other side */
- /* Look for communication synchro matching our needs. We also provide a description of
+ /* Look for communication activity 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 */
- other_synchro = _find_matching_comm(mbox->comm_queue, SIMIX_COMM_SEND, match_fun, data, this_synchro,/*remove_matching*/true);
-
- if (!other_synchro) {
- XBT_DEBUG("Receive pushed first %zu", mbox->comm_queue->size());
- other_synchro = this_synchro;
- SIMIX_mbox_push(mbox, this_synchro);
+ other_comm = mbox->find_matching_comm(simgrid::kernel::activity::CommImpl::Type::SEND, match_fun, data,
+ this_synchro, /*done*/ false,
+ /*remove_matching*/ true);
+
+ if (other_comm == nullptr) {
+ XBT_DEBUG("Receive pushed first (%zu comm enqueued so far)", mbox->comm_queue_.size());
+ other_comm = std::move(this_synchro);
+ mbox->push(other_comm);
} else {
- this_synchro->unref();
- simgrid::simix::Comm *other_comm = static_cast<simgrid::simix::Comm*>(other_synchro);
+ XBT_DEBUG("Match my %p with the existing %p", this_synchro.get(), other_comm.get());
- other_comm->state = SIMIX_READY;
- other_comm->type = SIMIX_COMM_READY;
+ other_comm->state_ = SIMIX_READY;
+ other_comm->type = simgrid::kernel::activity::CommImpl::Type::READY;
}
- xbt_fifo_push(dst_proc->comms, other_synchro);
+ receiver->comms.push_back(other_comm);
}
/* Setup communication synchro */
- simgrid::simix::Comm *other_comm = static_cast<simgrid::simix::Comm*>(other_synchro);
- other_comm->dst_proc = dst_proc;
- other_comm->dst_buff = dst_buff;
- other_comm->dst_buff_size = dst_buff_size;
- other_comm->dst_data = data;
+ other_comm->dst_actor_ = receiver;
+ other_comm->dst_buff_ = dst_buff;
+ other_comm->dst_buff_size_ = dst_buff_size;
+ other_comm->dst_data_ = data;
- if (rate != -1.0 && (other_comm->rate == -1.0 || rate < other_comm->rate))
- other_comm->rate = rate;
+ if (rate > -1.0 && (other_comm->rate_ < 0.0 || rate < other_comm->rate_))
+ other_comm->rate_ = rate;
other_comm->match_fun = match_fun;
other_comm->copy_data_fun = copy_data_fun;
if (MC_is_active() || MC_record_replay_is_active()) {
- other_synchro->state = SIMIX_RUNNING;
- return other_synchro;
+ other_comm->state_ = SIMIX_RUNNING;
+ return other_comm;
}
-
- SIMIX_comm_start(other_synchro);
- return other_synchro;
-}
-
-smx_synchro_t simcall_HANDLER_comm_iprobe(smx_simcall_t simcall, smx_mailbox_t mbox,
- int type, int src, int tag,
- int (*match_fun)(void *, void *, smx_synchro_t),
- void *data){
- return SIMIX_comm_iprobe(simcall->issuer, mbox, type, src, tag, match_fun, data);
+ other_comm->start();
+ return other_comm;
}
-smx_synchro_t SIMIX_comm_iprobe(smx_process_t dst_proc, smx_mailbox_t mbox, int type, int src,
- int tag, int (*match_fun)(void *, void *, smx_synchro_t), void *data)
-{
- XBT_DEBUG("iprobe from %p %p", mbox, mbox->comm_queue);
- simgrid::simix::Comm* this_comm;
- int smx_type;
- if(type == 1){
- this_comm = new simgrid::simix::Comm(SIMIX_COMM_SEND);
- smx_type = SIMIX_COMM_RECEIVE;
- } else{
- this_comm = new simgrid::simix::Comm(SIMIX_COMM_RECEIVE);
- smx_type = SIMIX_COMM_SEND;
- }
- smx_synchro_t other_synchro=NULL;
- if(mbox->permanent_receiver && ! mbox->done_comm_queue->empty()){
- XBT_DEBUG("first check in the permanent recv mailbox, to see if we already got something");
- other_synchro =
- _find_matching_comm(mbox->done_comm_queue, (e_smx_comm_type_t) smx_type, match_fun, data, this_comm,/*remove_matching*/false);
- }
- if (!other_synchro){
- XBT_DEBUG("check if we have more luck in the normal mailbox");
- other_synchro = _find_matching_comm(mbox->comm_queue, (e_smx_comm_type_t) smx_type, match_fun, data, this_comm,/*remove_matching*/false);
- }
-
- if(other_synchro)
- other_synchro->unref();
-
- this_comm->unref();
- return other_synchro;
-}
-
-void simcall_HANDLER_comm_wait(smx_simcall_t simcall, smx_synchro_t synchro, double timeout)
+void simcall_HANDLER_comm_wait(smx_simcall_t simcall, smx_activity_t synchro, double timeout)
{
/* Associate this simcall to the wait synchro */
- XBT_DEBUG("simcall_HANDLER_comm_wait, %p", synchro);
+ XBT_DEBUG("simcall_HANDLER_comm_wait, %p", synchro.get());
- xbt_fifo_push(synchro->simcalls, simcall);
+ synchro->simcalls_.push_back(simcall);
simcall->issuer->waiting_synchro = synchro;
if (MC_is_active() || MC_record_replay_is_active()) {
int idx = SIMCALL_GET_MC_VALUE(simcall);
if (idx == 0) {
- synchro->state = SIMIX_DONE;
+ synchro->state_ = SIMIX_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 == -1)
+ if (timeout < 0.0)
THROW_IMPOSSIBLE;
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
- if (comm->src_proc == simcall->issuer)
- comm->state = SIMIX_SRC_TIMEOUT;
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
+ if (comm->src_actor_ == simcall->issuer)
+ comm->state_ = SIMIX_SRC_TIMEOUT;
else
- comm->state = SIMIX_DST_TIMEOUT;
+ comm->state_ = SIMIX_DST_TIMEOUT;
}
SIMIX_comm_finish(synchro);
/* If the synchro has already finish perform the error handling, */
/* otherwise set up a waiting timeout on the right side */
- if (synchro->state != SIMIX_WAITING && synchro->state != SIMIX_RUNNING) {
+ if (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING) {
SIMIX_comm_finish(synchro);
- } else { /* if (timeout >= 0) { we need a surf sleep action even when there is no timeout, otherwise surf won't tell us when the host fails */
- surf_action_t sleep = surf_host_sleep(simcall->issuer->host, timeout);
- sleep->setData(synchro);
-
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
- if (simcall->issuer == comm->src_proc)
- comm->src_timeout = sleep;
+ } else { /* we need a sleep action (even when there is no timeout) to be notified of host failures */
+ simgrid::kernel::resource::Action* sleep = simcall->issuer->get_host()->pimpl_cpu->sleep(timeout);
+ sleep->set_data(synchro.get());
+
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
+ if (simcall->issuer == comm->src_actor_)
+ comm->src_timeout_ = sleep;
else
- comm->dst_timeout = sleep;
+ comm->dst_timeout_ = sleep;
}
}
-void simcall_HANDLER_comm_test(smx_simcall_t simcall, smx_synchro_t synchro)
+void simcall_HANDLER_comm_test(smx_simcall_t simcall, smx_activity_t synchro)
{
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
+
+ int res;
if (MC_is_active() || MC_record_replay_is_active()){
- simcall_comm_test__set__result(simcall, comm->src_proc && comm->dst_proc);
- if (simcall_comm_test__get__result(simcall)){
- synchro->state = SIMIX_DONE;
- xbt_fifo_push(synchro->simcalls, simcall);
- SIMIX_comm_finish(synchro);
- } else {
- SIMIX_simcall_answer(simcall);
- }
- return;
+ res = comm->src_actor_ && comm->dst_actor_;
+ if (res)
+ synchro->state_ = SIMIX_DONE;
+ } else {
+ res = synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING;
}
- simcall_comm_test__set__result(simcall, (synchro->state != SIMIX_WAITING && synchro->state != SIMIX_RUNNING));
+ simcall_comm_test__set__result(simcall, res);
if (simcall_comm_test__get__result(simcall)) {
- xbt_fifo_push(synchro->simcalls, simcall);
+ synchro->simcalls_.push_back(simcall);
SIMIX_comm_finish(synchro);
} else {
SIMIX_simcall_answer(simcall);
}
}
-void simcall_HANDLER_comm_testany(smx_simcall_t simcall, xbt_dynar_t synchros)
+void simcall_HANDLER_comm_testany(smx_simcall_t simcall, simgrid::kernel::activity::ActivityImplPtr comms[],
+ size_t count)
{
- unsigned int cursor;
- smx_synchro_t synchro;
+ // The default result is -1 -- this means, "nothing is ready".
+ // It can be changed below, but only if something matches.
simcall_comm_testany__set__result(simcall, -1);
if (MC_is_active() || MC_record_replay_is_active()){
if(idx == -1){
SIMIX_simcall_answer(simcall);
}else{
- synchro = xbt_dynar_get_as(synchros, idx, smx_synchro_t);
+ simgrid::kernel::activity::ActivityImplPtr synchro = comms[idx];
simcall_comm_testany__set__result(simcall, idx);
- xbt_fifo_push(synchro->simcalls, simcall);
- synchro->state = SIMIX_DONE;
+ synchro->simcalls_.push_back(simcall);
+ synchro->state_ = SIMIX_DONE;
SIMIX_comm_finish(synchro);
}
return;
}
- xbt_dynar_foreach(simcall_comm_testany__get__comms(simcall), cursor,synchro) {
- if (synchro->state != SIMIX_WAITING && synchro->state != SIMIX_RUNNING) {
- simcall_comm_testany__set__result(simcall, cursor);
- xbt_fifo_push(synchro->simcalls, simcall);
+ for (std::size_t i = 0; i != count; ++i) {
+ simgrid::kernel::activity::ActivityImplPtr synchro = comms[i];
+ if (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING) {
+ simcall_comm_testany__set__result(simcall, i);
+ synchro->simcalls_.push_back(simcall);
SIMIX_comm_finish(synchro);
return;
}
SIMIX_simcall_answer(simcall);
}
-void simcall_HANDLER_comm_waitany(smx_simcall_t simcall, xbt_dynar_t synchros)
+void simcall_HANDLER_comm_waitany(smx_simcall_t simcall, xbt_dynar_t synchros, double timeout)
{
- smx_synchro_t synchro;
- unsigned int cursor = 0;
-
if (MC_is_active() || MC_record_replay_is_active()){
+ if (timeout > 0.0)
+ xbt_die("Timeout not implemented for waitany in the model-checker");
int idx = SIMCALL_GET_MC_VALUE(simcall);
- synchro = xbt_dynar_get_as(synchros, idx, smx_synchro_t);
- xbt_fifo_push(synchro->simcalls, simcall);
+ smx_activity_t synchro = xbt_dynar_get_as(synchros, idx, smx_activity_t);
+ synchro->simcalls_.push_back(simcall);
simcall_comm_waitany__set__result(simcall, idx);
- synchro->state = SIMIX_DONE;
+ synchro->state_ = SIMIX_DONE;
SIMIX_comm_finish(synchro);
return;
}
- xbt_dynar_foreach(synchros, cursor, synchro){
+ if (timeout < 0.0){
+ simcall->timer = NULL;
+ } else {
+ simcall->timer = simgrid::simix::Timer::set(SIMIX_get_clock() + timeout, [simcall]() {
+ SIMIX_waitany_remove_simcall_from_actions(simcall);
+ simcall_comm_waitany__set__result(simcall, -1);
+ SIMIX_simcall_answer(simcall);
+ });
+ }
+
+ unsigned int cursor;
+ simgrid::kernel::activity::ActivityImpl* ptr;
+ xbt_dynar_foreach(synchros, cursor, ptr){
+ smx_activity_t synchro = simgrid::kernel::activity::ActivityImplPtr(ptr);
/* associate this simcall to the the synchro */
- xbt_fifo_push(synchro->simcalls, simcall);
+ synchro->simcalls_.push_back(simcall);
/* see if the synchro is already finished */
- if (synchro->state != SIMIX_WAITING && synchro->state != SIMIX_RUNNING){
+ if (synchro->state_ != SIMIX_WAITING && synchro->state_ != SIMIX_RUNNING) {
SIMIX_comm_finish(synchro);
break;
}
void SIMIX_waitany_remove_simcall_from_actions(smx_simcall_t simcall)
{
- smx_synchro_t synchro;
unsigned int cursor = 0;
xbt_dynar_t synchros = simcall_comm_waitany__get__comms(simcall);
- xbt_dynar_foreach(synchros, cursor, synchro)
- xbt_fifo_remove(synchro->simcalls, simcall);
-}
-
-/**
- * \brief Starts the simulation of a communication synchro.
- * \param synchro the communication synchro
- */
-static inline void SIMIX_comm_start(smx_synchro_t synchro)
-{
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
-
- /* If both the sender and the receiver are already there, start the communication */
- if (synchro->state == SIMIX_READY) {
-
- sg_host_t sender = comm->src_proc->host;
- sg_host_t receiver = comm->dst_proc->host;
-
- XBT_DEBUG("Starting communication %p from '%s' to '%s'", synchro, sg_host_get_name(sender), sg_host_get_name(receiver));
-
- comm->surf_comm = surf_network_model_communicate(surf_network_model, sender, receiver, comm->task_size, comm->rate);
- comm->surf_comm->setData(synchro);
- comm->state = SIMIX_RUNNING;
-
- /* If a link is failed, detect it immediately */
- if (comm->surf_comm->getState() == simgrid::surf::Action::State::failed) {
- XBT_DEBUG("Communication from '%s' to '%s' failed to start because of a link failure",
- sg_host_get_name(sender), sg_host_get_name(receiver));
- comm->state = SIMIX_LINK_FAILURE;
- comm->cleanupSurf();
- }
-
- /* If any of the process is suspend, create the synchro but stop its execution,
- it will be restarted when the sender process resume */
- if (SIMIX_process_is_suspended(comm->src_proc) ||
- SIMIX_process_is_suspended(comm->dst_proc)) {
- /* FIXME: check what should happen with the synchro state */
+ simgrid::kernel::activity::ActivityImpl* ptr;
+ xbt_dynar_foreach(synchros, cursor, ptr){
+ smx_activity_t synchro = simgrid::kernel::activity::ActivityImplPtr(ptr);
- if (SIMIX_process_is_suspended(comm->src_proc))
- XBT_DEBUG("The communication is suspended on startup because src (%s:%s) were suspended since it initiated the communication",
- sg_host_get_name(comm->src_proc->host), comm->src_proc->name);
- else
- XBT_DEBUG("The communication is suspended on startup because dst (%s:%s) were suspended since it initiated the communication",
- sg_host_get_name(comm->dst_proc->host), comm->dst_proc->name);
-
- comm->surf_comm->suspend();
- }
+ // Remove the first occurence of simcall:
+ auto i = boost::range::find(synchro->simcalls_, simcall);
+ if (i != synchro->simcalls_.end())
+ synchro->simcalls_.erase(i);
}
}
/**
- * \brief Answers the SIMIX simcalls associated to a communication synchro.
- * \param synchro a finished communication synchro
+ * @brief Answers the SIMIX simcalls associated to a communication synchro.
+ * @param synchro a finished communication synchro
*/
-void SIMIX_comm_finish(smx_synchro_t synchro)
+void SIMIX_comm_finish(smx_activity_t synchro)
{
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
- unsigned int destroy_count = 0;
- smx_simcall_t simcall;
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
- while ((simcall = (smx_simcall_t) xbt_fifo_shift(synchro->simcalls))) {
+ while (not synchro->simcalls_.empty()) {
+ smx_simcall_t simcall = synchro->simcalls_.front();
+ synchro->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 dynar and
- return it as the result of the simcall */
+ /* 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 dynar and return it as the result of the
+ * simcall */
if (simcall->call == SIMCALL_NONE) //FIXME: maybe a better way to handle this case
continue; // if process handling comm is killed
if (simcall->call == SIMCALL_COMM_WAITANY) {
SIMIX_waitany_remove_simcall_from_actions(simcall);
- if (!MC_is_active() && !MC_record_replay_is_active())
- simcall_comm_waitany__set__result(simcall, xbt_dynar_search(simcall_comm_waitany__get__comms(simcall), &synchro));
+ if (simcall->timer) {
+ simcall->timer->remove();
+ simcall->timer = nullptr;
+ }
+ if (not MC_is_active() && not MC_record_replay_is_active())
+ simcall_comm_waitany__set__result(simcall,
+ xbt_dynar_search(simcall_comm_waitany__get__comms(simcall), &synchro));
}
/* If the synchro is still in a rendez-vous point then remove from it */
if (comm->mbox)
- SIMIX_mbox_remove(comm->mbox, synchro);
+ comm->mbox->remove(comm);
- XBT_DEBUG("SIMIX_comm_finish: synchro state = %d", (int)synchro->state);
+ XBT_DEBUG("SIMIX_comm_finish: synchro state = %d", (int)synchro->state_);
/* Check out for errors */
- if (simcall->issuer->host->isOff()) {
- simcall->issuer->context->iwannadie = 1;
- SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
- } else
-
- switch (synchro->state) {
-
- case SIMIX_DONE:
- XBT_DEBUG("Communication %p complete!", synchro);
- SIMIX_comm_copy_data(synchro);
- break;
-
- case SIMIX_SRC_TIMEOUT:
- SMX_EXCEPTION(simcall->issuer, timeout_error, 0, "Communication timeouted because of sender");
- break;
-
- case SIMIX_DST_TIMEOUT:
- SMX_EXCEPTION(simcall->issuer, timeout_error, 0, "Communication timeouted because of receiver");
- break;
-
- case SIMIX_SRC_HOST_FAILURE:
- if (simcall->issuer == comm->src_proc)
- simcall->issuer->context->iwannadie = 1;
-// SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
- else
- SMX_EXCEPTION(simcall->issuer, network_error, 0, "Remote peer failed");
- break;
-
- case SIMIX_DST_HOST_FAILURE:
- if (simcall->issuer == comm->dst_proc)
- simcall->issuer->context->iwannadie = 1;
-// SMX_EXCEPTION(simcall->issuer, host_error, 0, "Host failed");
- else
- SMX_EXCEPTION(simcall->issuer, network_error, 0, "Remote peer failed");
- break;
-
- case SIMIX_LINK_FAILURE:
-
- XBT_DEBUG("Link failure in synchro %p between '%s' and '%s': posting an exception to the issuer: %s (%p) detached:%d",
- synchro,
- comm->src_proc ? sg_host_get_name(comm->src_proc->host) : NULL,
- comm->dst_proc ? sg_host_get_name(comm->dst_proc->host) : NULL,
- simcall->issuer->name, simcall->issuer, comm->detached);
- if (comm->src_proc == simcall->issuer) {
- XBT_DEBUG("I'm source");
- } else if (comm->dst_proc == simcall->issuer) {
- XBT_DEBUG("I'm dest");
- } else {
- XBT_DEBUG("I'm neither source nor dest");
+ if (not simcall->issuer->get_host()->is_on()) {
+ simcall->issuer->context_->iwannadie = true;
+ simcall->issuer->exception_ =
+ std::make_exception_ptr(simgrid::HostFailureException(XBT_THROW_POINT, "Host failed"));
+ } else {
+ switch (comm->state_) {
+
+ case SIMIX_DONE:
+ XBT_DEBUG("Communication %p complete!", synchro.get());
+ comm->copy_data();
+ break;
+
+ case SIMIX_SRC_TIMEOUT:
+ simcall->issuer->exception_ = std::make_exception_ptr(
+ simgrid::TimeoutError(XBT_THROW_POINT, "Communication timeouted because of the sender"));
+ break;
+
+ case SIMIX_DST_TIMEOUT:
+ simcall->issuer->exception_ = std::make_exception_ptr(
+ simgrid::TimeoutError(XBT_THROW_POINT, "Communication timeouted because of the receiver"));
+ break;
+
+ case SIMIX_SRC_HOST_FAILURE:
+ if (simcall->issuer == comm->src_actor_)
+ simcall->issuer->context_->iwannadie = true;
+ else
+ simcall->issuer->exception_ =
+ std::make_exception_ptr(simgrid::NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
+ break;
+
+ case SIMIX_DST_HOST_FAILURE:
+ if (simcall->issuer == comm->dst_actor_)
+ simcall->issuer->context_->iwannadie = true;
+ else
+ simcall->issuer->exception_ =
+ std::make_exception_ptr(simgrid::NetworkFailureException(XBT_THROW_POINT, "Remote peer failed"));
+ break;
+
+ case SIMIX_LINK_FAILURE:
+ XBT_DEBUG("Link failure in synchro %p between '%s' and '%s': posting an exception to the issuer: %s (%p) "
+ "detached:%d",
+ synchro.get(), comm->src_actor_ ? comm->src_actor_->get_host()->get_cname() : nullptr,
+ comm->dst_actor_ ? comm->dst_actor_->get_host()->get_cname() : nullptr,
+ simcall->issuer->get_cname(), simcall->issuer, comm->detached);
+ if (comm->src_actor_ == simcall->issuer) {
+ XBT_DEBUG("I'm source");
+ } else if (comm->dst_actor_ == simcall->issuer) {
+ XBT_DEBUG("I'm dest");
+ } else {
+ XBT_DEBUG("I'm neither source nor dest");
+ }
+ simcall->issuer->throw_exception(
+ std::make_exception_ptr(simgrid::NetworkFailureException(XBT_THROW_POINT, "Link failure")));
+ break;
+
+ case SIMIX_CANCELED:
+ if (simcall->issuer == comm->dst_actor_)
+ simcall->issuer->exception_ = std::make_exception_ptr(
+ simgrid::CancelException(XBT_THROW_POINT, "Communication canceled by the sender"));
+ else
+ simcall->issuer->exception_ = std::make_exception_ptr(
+ simgrid::CancelException(XBT_THROW_POINT, "Communication canceled by the receiver"));
+ break;
+
+ default:
+ xbt_die("Unexpected synchro state in SIMIX_comm_finish: %d", (int)synchro->state_);
}
- SMX_EXCEPTION(simcall->issuer, network_error, 0, "Link failure");
- break;
-
- case SIMIX_CANCELED:
- if (simcall->issuer == comm->dst_proc)
- SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Communication canceled by the sender");
- else
- SMX_EXCEPTION(simcall->issuer, cancel_error, 0, "Communication canceled by the receiver");
- break;
-
- default:
- xbt_die("Unexpected synchro state in SIMIX_comm_finish: %d", (int)synchro->state);
}
/* if there is an exception during a waitany or a testany, indicate the position of the failed communication */
- if (simcall->issuer->doexception) {
+ if (simcall->issuer->exception_ &&
+ (simcall->call == SIMCALL_COMM_WAITANY || simcall->call == SIMCALL_COMM_TESTANY)) {
+ // First retrieve the rank of our failing synchro
+ int rank = -1;
if (simcall->call == SIMCALL_COMM_WAITANY) {
- simcall->issuer->running_ctx->exception.value = xbt_dynar_search(simcall_comm_waitany__get__comms(simcall), &synchro);
- }
- else if (simcall->call == SIMCALL_COMM_TESTANY) {
- simcall->issuer->running_ctx->exception.value = xbt_dynar_search(simcall_comm_testany__get__comms(simcall), &synchro);
+ rank = xbt_dynar_search(simcall_comm_waitany__get__comms(simcall), &synchro);
+ } else if (simcall->call == SIMCALL_COMM_TESTANY) {
+ rank = -1;
+ auto* comms = simcall_comm_testany__get__comms(simcall);
+ auto count = simcall_comm_testany__get__count(simcall);
+ auto element = std::find(comms, comms + count, synchro);
+ if (element == comms + count)
+ rank = -1;
+ else
+ rank = element - comms;
}
- }
- if (simcall->issuer->host->isOff()) {
- simcall->issuer->context->iwannadie = 1;
+ // In order to modify the exception we have to rethrow it:
+ try {
+ std::rethrow_exception(simcall->issuer->exception_);
+ } catch (simgrid::TimeoutError& e) {
+ e.value = rank;
+ simcall->issuer->exception_ = std::make_exception_ptr(e);
+ } catch (simgrid::NetworkFailureException& e) {
+ e.value = rank;
+ simcall->issuer->exception_ = std::make_exception_ptr(e);
+ } catch (simgrid::CancelException& e) {
+ e.value = rank;
+ simcall->issuer->exception_ = std::make_exception_ptr(e);
+ }
}
- simcall->issuer->waiting_synchro = NULL;
- xbt_fifo_remove(simcall->issuer->comms, synchro);
+ simcall->issuer->waiting_synchro = nullptr;
+ simcall->issuer->comms.remove(synchro);
if(comm->detached){
- if(simcall->issuer == comm->src_proc){
- if(comm->dst_proc)
- xbt_fifo_remove(comm->dst_proc->comms, synchro);
+ if (simcall->issuer == comm->src_actor_) {
+ if (comm->dst_actor_)
+ comm->dst_actor_->comms.remove(synchro);
+ } else if (simcall->issuer == comm->dst_actor_) {
+ if (comm->src_actor_)
+ comm->src_actor_->comms.remove(synchro);
}
- if(simcall->issuer == comm->dst_proc){
- if(comm->src_proc)
- xbt_fifo_remove(comm->src_proc->comms, synchro);
+ else{
+ comm->dst_actor_->comms.remove(synchro);
+ comm->src_actor_->comms.remove(synchro);
}
}
- SIMIX_simcall_answer(simcall);
- destroy_count++;
- }
-
- while (destroy_count-- > 0)
- static_cast<simgrid::simix::Comm*>(synchro)->unref();
-}
-/**
- * \brief This function is called when a Surf communication synchro is finished.
- * \param synchro the corresponding Simix communication
- */
-void SIMIX_post_comm(smx_synchro_t synchro)
-{
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
-
- /* Update synchro state */
- if (comm->src_timeout &&
- comm->src_timeout->getState() == simgrid::surf::Action::State::done)
- synchro->state = SIMIX_SRC_TIMEOUT;
- else if (comm->dst_timeout &&
- comm->dst_timeout->getState() == simgrid::surf::Action::State::done)
- synchro->state = SIMIX_DST_TIMEOUT;
- else if (comm->src_timeout &&
- comm->src_timeout->getState() == simgrid::surf::Action::State::failed)
- synchro->state = SIMIX_SRC_HOST_FAILURE;
- else if (comm->dst_timeout &&
- comm->dst_timeout->getState() == simgrid::surf::Action::State::failed)
- synchro->state = SIMIX_DST_HOST_FAILURE;
- else if (comm->surf_comm &&
- comm->surf_comm->getState() == simgrid::surf::Action::State::failed) {
- synchro->state = SIMIX_LINK_FAILURE;
- } else
- synchro->state = SIMIX_DONE;
-
- XBT_DEBUG("SIMIX_post_comm: comm %p, state %d, src_proc %p, dst_proc %p, detached: %d",
- comm, (int)comm->state, comm->src_proc, comm->dst_proc, comm->detached);
-
- /* destroy the surf actions associated with the Simix communication */
- comm->cleanupSurf();
-
- /* if there are simcalls associated with the synchro, then answer them */
- if (xbt_fifo_size(synchro->simcalls)) {
- SIMIX_comm_finish(comm);
+ if (simcall->issuer->get_host()->is_on())
+ SIMIX_simcall_answer(simcall);
+ else
+ simcall->issuer->context_->iwannadie = true;
}
}
-/******************************************************************************/
-/* SIMIX_comm_copy_data callbacks */
-/******************************************************************************/
-static void (*SIMIX_comm_copy_data_callback) (smx_synchro_t, void*, size_t) = &SIMIX_comm_copy_pointer_callback;
-
-void SIMIX_comm_set_copy_data_callback(void (*callback) (smx_synchro_t, void*, size_t))
-{
- SIMIX_comm_copy_data_callback = callback;
-}
-
-void SIMIX_comm_copy_pointer_callback(smx_synchro_t synchro, void* buff, size_t buff_size)
+void SIMIX_comm_copy_buffer_callback(smx_activity_t synchro, void* buff, size_t buff_size)
{
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
-
- xbt_assert((buff_size == sizeof(void *)), "Cannot copy %zu bytes: must be sizeof(void*)", buff_size);
- *(void **) (comm->dst_buff) = buff;
-}
-
-void SIMIX_comm_copy_buffer_callback(smx_synchro_t synchro, void* buff, size_t buff_size)
-{
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
+ simgrid::kernel::activity::CommImplPtr comm =
+ boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(synchro);
XBT_DEBUG("Copy the data over");
- memcpy(comm->dst_buff, buff, buff_size);
+ memcpy(comm->dst_buff_, buff, buff_size);
if (comm->detached) { // if this is a detached send, the source buffer was duplicated by SMPI sender to make the original buffer available to the application ASAP
xbt_free(buff);
- comm->src_buff = NULL;
+ comm->src_buff_ = nullptr;
}
}
-
-
-/**
- * \brief Copy the communication data from the sender's buffer to the receiver's one
- * \param comm The communication
- */
-void SIMIX_comm_copy_data(smx_synchro_t synchro)
-{
- simgrid::simix::Comm *comm = static_cast<simgrid::simix::Comm*>(synchro);
-
- size_t buff_size = comm->src_buff_size;
- /* If there is no data to copy then return */
- if (!comm->src_buff || !comm->dst_buff || comm->copied)
- return;
-
- XBT_DEBUG("Copying comm %p data from %s (%p) -> %s (%p) (%zu bytes)",
- comm,
- comm->src_proc ? sg_host_get_name(comm->src_proc->host) : "a finished process",
- comm->src_buff,
- comm->dst_proc ? sg_host_get_name(comm->dst_proc->host) : "a finished process",
- comm->dst_buff, buff_size);
-
- /* Copy at most dst_buff_size bytes of the message to receiver's buffer */
- if (comm->dst_buff_size)
- buff_size = MIN(buff_size, *(comm->dst_buff_size));
-
- /* Update the receiver's buffer size to the copied amount */
- if (comm->dst_buff_size)
- *comm->dst_buff_size = buff_size;
-
- if (buff_size > 0){
- if(comm->copy_data_fun)
- comm->copy_data_fun (comm, comm->src_buff, buff_size);
- else
- SIMIX_comm_copy_data_callback (comm, comm->src_buff, buff_size);
- }
-
-
- /* Set the copied flag so we copy data only once */
- /* (this function might be called from both communication ends) */
- comm->copied = 1;
-}