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.h"
9 #include "src/simix/ActorImpl.hpp"
10 #include "src/simix/smx_network_private.h"
13 XBT_LOG_EXTERNAL_CATEGORY(s4u);
14 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_channel,s4u,"S4U Communication Mailboxes");
19 const char *Mailbox::name() {
23 MailboxPtr Mailbox::byName(const char*name)
25 kernel::activity::MailboxImpl* mbox = kernel::activity::MailboxImpl::byNameOrNull(name);
26 if (mbox == nullptr) {
27 mbox = simix::kernelImmediate([name] {
28 return kernel::activity::MailboxImpl::byNameOrCreate(name);
31 return MailboxPtr(&mbox->piface_, true);
34 MailboxPtr Mailbox::byName(std::string name)
36 return byName(name.c_str());
41 return pimpl_->comm_queue.empty();
44 bool Mailbox::listen()
46 return not this->empty() || (pimpl_->permanent_receiver && not pimpl_->done_comm_queue.empty());
49 smx_activity_t Mailbox::front()
51 return pimpl_->comm_queue.empty() ? nullptr : pimpl_->comm_queue.front();
54 void Mailbox::setReceiver(ActorPtr actor) {
55 simix::kernelImmediate([this, actor]() {
56 this->pimpl_->setReceiver(actor);
60 /** @brief get the receiver (process associated to the mailbox) */
61 ActorPtr Mailbox::receiver() {
62 if (pimpl_->permanent_receiver == nullptr)
64 return pimpl_->permanent_receiver->iface();
67 CommPtr Mailbox::put_init()
69 CommPtr res = CommPtr(new s4u::Comm());
70 res->sender_ = SIMIX_process_self();
74 s4u::CommPtr Mailbox::put_init(void* data, int simulatedSize)
76 s4u::CommPtr res = put_init();
77 res->setRemains(simulatedSize);
79 res->srcBuffSize_ = sizeof(void*);
82 s4u::CommPtr Mailbox::put_async(void* data, int simulatedSize)
84 s4u::CommPtr res = put_init(data, simulatedSize);
88 void Mailbox::put(void* payload, double simulatedSize)
90 CommPtr c = put_init();
91 c->setRemains(simulatedSize);
92 c->setSrcData(payload);
95 /** Blocking send with timeout */
96 void Mailbox::put(void* payload, double simulatedSize, double timeout)
98 CommPtr c = put_init();
99 c->setRemains(simulatedSize);
100 c->setSrcData(payload);
101 // c->start() is optional.
105 s4u::CommPtr Mailbox::get_init()
107 CommPtr res = CommPtr(new s4u::Comm());
108 res->receiver_ = SIMIX_process_self();
109 res->mailbox_ = this;
112 s4u::CommPtr Mailbox::get_async(void** data)
114 s4u::CommPtr res = get_init();
115 res->setDstData(data, sizeof(*data));
123 CommPtr c = get_init();
124 c->setDstData(&res, sizeof(res));
128 void* Mailbox::get(double timeout)
131 CommPtr c = get_init();
132 c->setDstData(&res, sizeof(res));