1 /* Copyright (c) 2006-2017. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #include "simgrid/s4u/Comm.hpp"
7 #include "simgrid/s4u/Mailbox.hpp"
8 #include "src/msg/msg_private.hpp"
9 #include "src/simix/ActorImpl.hpp"
10 #include "src/simix/smx_network_private.hpp"
13 XBT_LOG_EXTERNAL_CATEGORY(s4u);
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_channel,s4u,"S4U Communication Mailboxes");
19 const simgrid::xbt::string& Mailbox::getName() const
21 return pimpl_->getName();
24 const char* Mailbox::getCname() const
26 return pimpl_->getCname();
29 MailboxPtr Mailbox::byName(const char*name)
31 kernel::activity::MailboxImpl* mbox = kernel::activity::MailboxImpl::byNameOrNull(name);
32 if (mbox == nullptr) {
33 mbox = simix::kernelImmediate([name] {
34 return kernel::activity::MailboxImpl::byNameOrCreate(name);
37 return MailboxPtr(&mbox->piface_, true);
40 MailboxPtr Mailbox::byName(std::string name)
42 return byName(name.c_str());
47 return pimpl_->comm_queue.empty();
50 bool Mailbox::listen()
52 return not this->empty() || (pimpl_->permanent_receiver && not pimpl_->done_comm_queue.empty());
55 smx_activity_t Mailbox::front()
57 return pimpl_->comm_queue.empty() ? nullptr : pimpl_->comm_queue.front();
60 void Mailbox::setReceiver(ActorPtr actor) {
61 simix::kernelImmediate([this, actor]() { this->pimpl_->setReceiver(actor); });
64 /** @brief get the receiver (process associated to the mailbox) */
65 ActorPtr Mailbox::getReceiver()
67 if (pimpl_->permanent_receiver == nullptr)
69 return pimpl_->permanent_receiver->iface();
72 CommPtr Mailbox::put_init()
74 CommPtr res = CommPtr(new s4u::Comm());
75 res->sender_ = SIMIX_process_self();
79 s4u::CommPtr Mailbox::put_init(void* data, uint64_t simulatedSize)
81 s4u::CommPtr res = put_init();
82 res->setRemains(simulatedSize);
84 res->srcBuffSize_ = sizeof(void*);
87 s4u::CommPtr Mailbox::put_async(void* payload, uint64_t simulatedSize)
89 xbt_assert(payload != nullptr, "You cannot send nullptr");
91 s4u::CommPtr res = put_init(payload, simulatedSize);
95 void Mailbox::put(void* payload, uint64_t simulatedSize)
97 xbt_assert(payload != nullptr, "You cannot send nullptr");
99 CommPtr c = put_init();
100 c->setRemains(simulatedSize);
101 c->setSrcData(payload);
104 /** Blocking send with timeout */
105 void Mailbox::put(void* payload, uint64_t simulatedSize, double timeout)
107 xbt_assert(payload != nullptr, "You cannot send nullptr");
109 CommPtr c = put_init();
110 c->setRemains(simulatedSize);
111 c->setSrcData(payload);
112 // c->start() is optional.
116 s4u::CommPtr Mailbox::get_init()
118 CommPtr res = CommPtr(new s4u::Comm());
119 res->receiver_ = SIMIX_process_self();
120 res->mailbox_ = this;
123 s4u::CommPtr Mailbox::get_async(void** data)
125 s4u::CommPtr res = get_init();
126 res->setDstData(data, sizeof(*data));
134 CommPtr c = get_init();
135 c->setDstData(&res, sizeof(res));
139 void* Mailbox::get(double timeout)
142 CommPtr c = get_init();
143 c->setDstData(&res, sizeof(res));