-/* Copyright (c) 2006-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2006-2017. 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/s4u/Comm.hpp"
+#include "simgrid/s4u/Mailbox.hpp"
+#include "src/msg/msg_private.hpp"
+#include "src/simix/ActorImpl.hpp"
+#include "src/simix/smx_network_private.hpp"
#include "xbt/log.h"
-#include "src/msg/msg_private.h"
-#include "src/simix/smx_network_private.h"
-
-#include "simgrid/s4u/mailbox.hpp"
XBT_LOG_EXTERNAL_CATEGORY(s4u);
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_channel,s4u,"S4U Communication Mailboxes");
+namespace simgrid {
+namespace s4u {
-using namespace simgrid;
+const simgrid::xbt::string& Mailbox::get_name() const
+{
+ return pimpl_->get_name();
+}
-boost::unordered_map <std::string, s4u::Mailbox *> *s4u::Mailbox::mailboxes = new boost::unordered_map<std::string, s4u::Mailbox*> ();
+const char* Mailbox::get_cname() const
+{
+ return pimpl_->get_cname();
+}
+MailboxPtr Mailbox::byName(const char*name)
+{
+ kernel::activity::MailboxImpl* mbox = kernel::activity::MailboxImpl::byNameOrNull(name);
+ if (mbox == nullptr) {
+ mbox = simix::kernelImmediate([name] {
+ return kernel::activity::MailboxImpl::byNameOrCreate(name);
+ });
+ }
+ return MailboxPtr(&mbox->piface_, true);
+}
-s4u::Mailbox::Mailbox(const char*name, smx_mailbox_t inferior) {
- pimpl_ = inferior;
- name_ = name;
- mailboxes->insert({name, this});
+MailboxPtr Mailbox::byName(std::string name)
+{
+ return byName(name.c_str());
}
-const char *s4u::Mailbox::getName() {
- return name_.c_str();
+
+bool Mailbox::empty()
+{
+ return pimpl_->comm_queue.empty();
}
-s4u::Mailbox *s4u::Mailbox::byName(const char*name) {
- s4u::Mailbox *res;
- try {
- res = mailboxes->at(name);
- } catch (std::out_of_range& e) {
- // FIXME: there is a potential race condition here where two actors run Mailbox::byName on a non-existent mailbox
- // during the same scheduling round. Both will be interrupted in the simcall creating the underlying simix mbox.
- // Only one simix object will be created, but two S4U objects will be created.
- // Only one S4U object will be stored in the hashmap and used, and the other one will be leaked.
- new Mailbox(name,simcall_mbox_create(name));
- res = mailboxes->at(name); // Use the stored one, even if it's not the one I created myself.
- }
- return res;
+
+bool Mailbox::listen()
+{
+ return not this->empty() || (pimpl_->permanent_receiver && not pimpl_->done_comm_queue.empty());
}
-bool s4u::Mailbox::empty() {
- return nullptr == simcall_mbox_get_head(pimpl_);
+smx_activity_t Mailbox::front()
+{
+ return pimpl_->comm_queue.empty() ? nullptr : pimpl_->comm_queue.front();
}
-void s4u::Mailbox::setReceiver(smx_process_t process) {
- simcall_mbox_set_receiver(pimpl_, process);
+void Mailbox::setReceiver(ActorPtr actor) {
+ simix::kernelImmediate([this, actor]() { this->pimpl_->setReceiver(actor); });
}
+
/** @brief get the receiver (process associated to the mailbox) */
-smx_process_t s4u::Mailbox::receiver() {
- return pimpl_->permanent_receiver;
+ActorPtr Mailbox::getReceiver()
+{
+ if (pimpl_->permanent_receiver == nullptr)
+ return ActorPtr();
+ return pimpl_->permanent_receiver->iface();
+}
+
+CommPtr Mailbox::put_init()
+{
+ CommPtr res = CommPtr(new s4u::Comm());
+ res->sender_ = SIMIX_process_self();
+ res->mailbox_ = this;
+ return res;
+}
+s4u::CommPtr Mailbox::put_init(void* data, uint64_t simulatedSize)
+{
+ s4u::CommPtr res = put_init();
+ res->setRemains(simulatedSize);
+ res->srcBuff_ = data;
+ res->srcBuffSize_ = sizeof(void*);
+ return res;
+}
+s4u::CommPtr Mailbox::put_async(void* payload, uint64_t simulatedSize)
+{
+ xbt_assert(payload != nullptr, "You cannot send nullptr");
+
+ s4u::CommPtr res = put_init(payload, simulatedSize);
+ res->start();
+ return res;
+}
+void Mailbox::put(void* payload, uint64_t simulatedSize)
+{
+ xbt_assert(payload != nullptr, "You cannot send nullptr");
+
+ CommPtr c = put_init();
+ c->setRemains(simulatedSize);
+ c->setSrcData(payload);
+ c->wait();
+}
+/** Blocking send with timeout */
+void Mailbox::put(void* payload, uint64_t simulatedSize, double timeout)
+{
+ xbt_assert(payload != nullptr, "You cannot send nullptr");
+
+ CommPtr c = put_init();
+ c->setRemains(simulatedSize);
+ c->setSrcData(payload);
+ // c->start() is optional.
+ c->wait(timeout);
}
-/*------- C functions -------*/
+s4u::CommPtr Mailbox::get_init()
+{
+ CommPtr res = CommPtr(new s4u::Comm());
+ res->receiver_ = SIMIX_process_self();
+ res->mailbox_ = this;
+ return res;
+}
+s4u::CommPtr Mailbox::get_async(void** data)
+{
+ s4u::CommPtr res = get_init();
+ res->setDstData(data, sizeof(*data));
+ res->start();
+ return res;
+}
-sg_mbox_t sg_mbox_by_name(const char*name){
- return s4u::Mailbox::byName(name);
+void* Mailbox::get()
+{
+ void* res = nullptr;
+ CommPtr c = get_init();
+ c->setDstData(&res, sizeof(res));
+ c->wait();
+ return res;
}
-int sg_mbox_is_empty(sg_mbox_t mbox) {
- return mbox->empty();
+void* Mailbox::get(double timeout)
+{
+ void* res = nullptr;
+ CommPtr c = get_init();
+ c->setDstData(&res, sizeof(res));
+ c->wait(timeout);
+ return res;
}
-void sg_mbox_setReceiver(sg_mbox_t mbox, smx_process_t process) {
- mbox->setReceiver(process);
}
-smx_process_t sg_mbox_receiver(sg_mbox_t mbox) {
- return mbox->receiver();
}
