/* 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/msg/msg_private.hpp"
#include "xbt/log.h"
-#include "src/msg/msg_private.h"
#include "simgrid/s4u/Comm.hpp"
#include "simgrid/s4u/Mailbox.hpp"
}
}
-void Comm::setRate(double rate) {
+Activity* Comm::setRate(double rate)
+{
xbt_assert(state_==inited);
rate_ = rate;
+ return this;
}
-void Comm::setSrcData(void * buff) {
+Activity* Comm::setSrcData(void* buff)
+{
xbt_assert(state_==inited);
xbt_assert(dstBuff_ == nullptr, "Cannot set the src and dst buffers at the same time");
srcBuff_ = buff;
+ return this;
}
-void Comm::setSrcDataSize(size_t size){
+Activity* Comm::setSrcDataSize(size_t size)
+{
xbt_assert(state_==inited);
srcBuffSize_ = size;
+ return this;
}
-void Comm::setSrcData(void * buff, size_t size) {
+Activity* Comm::setSrcData(void* buff, size_t size)
+{
xbt_assert(state_==inited);
xbt_assert(dstBuff_ == nullptr, "Cannot set the src and dst buffers at the same time");
srcBuff_ = buff;
srcBuffSize_ = size;
+ return this;
}
-void Comm::setDstData(void ** buff) {
+Activity* Comm::setDstData(void** buff)
+{
xbt_assert(state_==inited);
xbt_assert(srcBuff_ == nullptr, "Cannot set the src and dst buffers at the same time");
dstBuff_ = buff;
+ return this;
}
size_t Comm::getDstDataSize(){
xbt_assert(state_==finished);
return dstBuffSize_;
}
-void Comm::setDstData(void ** buff, size_t size) {
+Activity* Comm::setDstData(void** buff, size_t size)
+{
xbt_assert(state_==inited);
xbt_assert(srcBuff_ == nullptr, "Cannot set the src and dst buffers at the same time");
dstBuff_ = buff;
dstBuffSize_ = size;
+ return this;
}
-void Comm::start() {
+Activity* Comm::start()
+{
xbt_assert(state_ == inited);
if (srcBuff_ != nullptr) { // Sender side
xbt_die("Cannot start a communication before specifying whether we are the sender or the receiver");
}
state_ = started;
+ return this;
}
-void Comm::wait() {
- xbt_assert(state_ == started || state_ == inited || state_ == finished);
-
- if (state_ == finished)
- return;
-
- if (state_ == started)
- simcall_comm_wait(pimpl_, -1/*timeout*/);
- else { // state_ == inited. Save a simcall and do directly a blocking send/recv
- if (srcBuff_ != nullptr) {
- simcall_comm_send(sender_, mailbox_->getImpl(), remains_, rate_,
- srcBuff_, srcBuffSize_,
- matchFunction_, copyDataFunction_,
- userData_, -1 /*timeout*/);
- } else {
- simcall_comm_recv(receiver_, mailbox_->getImpl(), dstBuff_, &dstBuffSize_,
- matchFunction_, copyDataFunction_,
- userData_, -1/*timeout*/, rate_);
- }
- }
- state_ = finished;
-}
-
-void Comm::wait(double timeout) {
- xbt_assert(state_ == started || state_ == inited || state_ == finished);
- if (state_ == finished)
- return;
+/** @brief Block the calling actor until the communication is finished */
+Activity* Comm::wait()
+{
+ return this->wait(-1);
+}
- if (state_ == started) {
- simcall_comm_wait(pimpl_, timeout);
- state_ = finished;
- return;
+/** @brief Block the calling actor until the communication is finished, or until timeout
+ *
+ * On timeout, an exception is thrown.
+ *
+ * @param timeout the amount of seconds to wait for the comm termination.
+ * Negative values denote infinite wait times. 0 as a timeout returns immediately. */
+Activity* Comm::wait(double timeout)
+{
+ switch (state_) {
+ case finished:
+ return this;
+
+ case inited: // It's not started yet. Do it in one simcall
+ if (srcBuff_ != nullptr) {
+ simcall_comm_send(sender_, mailbox_->getImpl(), remains_, rate_, srcBuff_, srcBuffSize_, matchFunction_,
+ copyDataFunction_, userData_, timeout);
+ } else { // Receiver
+ simcall_comm_recv(receiver_, mailbox_->getImpl(), dstBuff_, &dstBuffSize_, matchFunction_, copyDataFunction_,
+ userData_, timeout, rate_);
+ }
+ state_ = finished;
+ return this;
+
+ case started:
+ simcall_comm_wait(pimpl_, timeout);
+ state_ = finished;
+ return this;
+
+ default:
+ THROW_IMPOSSIBLE;
}
-
- // It's not started yet. Do it in one simcall
- if (srcBuff_ != nullptr) {
- simcall_comm_send(sender_, mailbox_->getImpl(), remains_, rate_,
- srcBuff_, srcBuffSize_,
- matchFunction_, copyDataFunction_,
- userData_, timeout);
- } else { // Receiver
- simcall_comm_recv(receiver_, mailbox_->getImpl(), dstBuff_, &dstBuffSize_,
- matchFunction_, copyDataFunction_,
- userData_, timeout, rate_);
+ return this;
+}
+int Comm::test_any(std::vector<CommPtr>* comms)
+{
+ smx_activity_t* array = new smx_activity_t[comms->size()];
+ for (unsigned int i = 0; i < comms->size(); i++) {
+ array[i] = comms->at(i)->pimpl_;
}
- state_ = finished;
+ int res = simcall_comm_testany(array, comms->size());
+ delete[] array;
+ return res;
}
-void Comm::detach()
+Activity* Comm::detach()
{
xbt_assert(state_ == inited, "You cannot detach communications once they are started.");
xbt_assert(srcBuff_ != nullptr && srcBuffSize_ != 0, "You can only detach sends, not recvs");
detached_ = true;
- start();
+ return start();
}
-void Comm::cancel()
+Activity* Comm::cancel()
{
simgrid::kernel::activity::CommImplPtr commPimpl =
boost::static_pointer_cast<simgrid::kernel::activity::CommImpl>(pimpl_);
commPimpl->cancel();
+ return this;
}
bool Comm::test()
return false;
}
-MailboxPtr Comm::mailbox()
+MailboxPtr Comm::getMailbox()
{
return mailbox_;
}