X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/be30b8efb55c3240d1825982dd7fe921d6e1c472..d8cfc4c2e6eec35703dc7f3158188eaa6e2d24a5:/src/s4u/s4u_Mailbox.cpp

diff --git a/src/s4u/s4u_Mailbox.cpp b/src/s4u/s4u_Mailbox.cpp
index d153c08080..5244567154 100644
--- a/src/s4u/s4u_Mailbox.cpp
+++ b/src/s4u/s4u_Mailbox.cpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2020. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2021. 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. */
@@ -34,17 +34,26 @@ Mailbox* Mailbox::by_name(const std::string& name)
   return &mbox->piface_;
 }
 
-bool Mailbox::empty()
+bool Mailbox::empty() const
 {
   return pimpl_->comm_queue_.empty();
 }
 
-bool Mailbox::listen()
+bool Mailbox::listen() const
 {
   return not this->empty() || (pimpl_->permanent_receiver_ && not pimpl_->done_comm_queue_.empty());
 }
 
-bool Mailbox::ready()
+aid_t Mailbox::listen_from() const
+{
+  kernel::activity::CommImplPtr comm = front();
+  if (comm && comm->src_actor_)
+    return comm->src_actor_->get_pid();
+  else
+    return -1;
+}
+
+bool Mailbox::ready() const
 {
   bool comm_ready = false;
   if (not pimpl_->comm_queue_.empty()) {
@@ -56,7 +65,7 @@ bool Mailbox::ready()
   return comm_ready;
 }
 
-kernel::activity::CommImplPtr Mailbox::front()
+kernel::activity::CommImplPtr Mailbox::front() const
 {
   return pimpl_->comm_queue_.empty() ? nullptr : pimpl_->comm_queue_.front();
 }
@@ -67,33 +76,35 @@ void Mailbox::set_receiver(ActorPtr actor)
 }
 
 /** @brief get the receiver (process associated to the mailbox) */
-ActorPtr Mailbox::get_receiver()
+ActorPtr Mailbox::get_receiver() const
 {
   if (pimpl_->permanent_receiver_ == nullptr)
     return ActorPtr();
-  return pimpl_->permanent_receiver_->iface();
+  return pimpl_->permanent_receiver_->get_iface();
 }
 
 CommPtr Mailbox::put_init()
 {
-  CommPtr res   = CommPtr(new s4u::Comm());
+  CommPtr res(new Comm());
   res->sender_  = kernel::actor::ActorImpl::self();
   res->mailbox_ = this;
   return res;
 }
-s4u::CommPtr Mailbox::put_init(void* data, uint64_t simulated_size_in_bytes)
+
+CommPtr Mailbox::put_init(void* data, uint64_t simulated_size_in_bytes)
 {
-  s4u::CommPtr res = put_init();
+  CommPtr res = put_init();
   res->set_remaining(simulated_size_in_bytes);
   res->src_buff_      = data;
   res->src_buff_size_ = sizeof(void*);
   return res;
 }
-s4u::CommPtr Mailbox::put_async(void* payload, uint64_t simulated_size_in_bytes)
+
+CommPtr Mailbox::put_async(void* payload, uint64_t simulated_size_in_bytes)
 {
   xbt_assert(payload != nullptr, "You cannot send nullptr");
 
-  s4u::CommPtr res = put_init(payload, simulated_size_in_bytes);
+  CommPtr res = put_init(payload, simulated_size_in_bytes);
   res->vetoable_start();
   return res;
 }
@@ -119,41 +130,16 @@ void Mailbox::put(void* payload, uint64_t simulated_size_in_bytes, double timeou
   c->wait_for(timeout);
 }
 
-s4u::CommPtr Mailbox::get_init()
+CommPtr Mailbox::get_init()
 {
-  CommPtr res    = CommPtr(new s4u::Comm());
+  CommPtr res(new Comm());
   res->receiver_ = kernel::actor::ActorImpl::self();
   res->mailbox_  = this;
   return res;
 }
-s4u::CommPtr Mailbox::get_async(void** data)
-{
-  s4u::CommPtr res = get_init();
-  res->set_dst_data(data, sizeof(*data));
-  res->vetoable_start();
-  return res;
-}
-
-void* Mailbox::get()
-{
-  void* res = nullptr;
-  CommPtr c = get_init();
-  c->set_dst_data(&res, sizeof(res));
-  c->vetoable_start();
-  c->wait();
-  return res;
-}
-void* Mailbox::get(double timeout)
-{
-  void* res = nullptr;
-  CommPtr c = get_init();
-  c->set_dst_data(&res, sizeof(res));
-  c->vetoable_start();
-  c->wait_for(timeout);
-  return res;
-}
 
-smx_activity_t Mailbox::iprobe(int type, bool (*match_fun)(void*, void*, kernel::activity::CommImpl*), void* data)
+kernel::activity::ActivityImplPtr
+Mailbox::iprobe(int type, bool (*match_fun)(void*, void*, kernel::activity::CommImpl*), void* data)
 {
   return kernel::actor::simcall([this, type, match_fun, data] { return pimpl_->iprobe(type, match_fun, data); });
 }
@@ -166,7 +152,7 @@ sg_mailbox_t sg_mailbox_by_name(const char* alias)
   return simgrid::s4u::Mailbox::by_name(alias);
 }
 
-const char* sg_mailbox_get_name(sg_mailbox_t mailbox)
+const char* sg_mailbox_get_name(const_sg_mailbox_t mailbox)
 {
   return mailbox->get_cname();
 }
@@ -197,12 +183,19 @@ int sg_mailbox_listen(const char* alias)
 
 void* sg_mailbox_get(sg_mailbox_t mailbox)
 {
-  return mailbox->get();
+  return mailbox->get<void>();
+}
+
+sg_comm_t sg_mailbox_get_async(sg_mailbox_t mailbox, void** data)
+{
+  auto comm = mailbox->get_async<void>(data);
+  comm->add_ref();
+  return comm.get();
 }
 
 void sg_mailbox_put(sg_mailbox_t mailbox, void* payload, long simulated_size_in_bytes)
 {
-  return mailbox->put(payload, simulated_size_in_bytes);
+  mailbox->put(payload, simulated_size_in_bytes);
 }
 
 sg_comm_t sg_mailbox_put_async(sg_mailbox_t mailbox, void* payload, long simulated_size_in_bytes)
@@ -211,3 +204,10 @@ sg_comm_t sg_mailbox_put_async(sg_mailbox_t mailbox, void* payload, long simulat
   comm->add_ref();
   return comm.get();
 }
+
+sg_comm_t sg_mailbox_put_init(sg_mailbox_t mailbox, void* payload, long simulated_size_in_bytes)
+{
+  auto comm = mailbox->put_init(payload, simulated_size_in_bytes);
+  comm->add_ref();
+  return comm.get();
+}