X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/65beede857f93e33c96e544f76b93793c973dc10..d6a9ae11bd2ff9b0bf30bf84cbedfe0438a5051e:/include/simgrid/s4u/Mailbox.hpp

diff --git a/include/simgrid/s4u/Mailbox.hpp b/include/simgrid/s4u/Mailbox.hpp
index 069618a9df..35a9db76fc 100644
--- a/include/simgrid/s4u/Mailbox.hpp
+++ b/include/simgrid/s4u/Mailbox.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2006-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2006-2020. 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. */
@@ -6,8 +6,10 @@
 #ifndef SIMGRID_S4U_MAILBOX_HPP
 #define SIMGRID_S4U_MAILBOX_HPP
 
-#include <xbt/string.hpp>
+#include <simgrid/forward.h>
 #include <simgrid/s4u/Actor.hpp>
+#include <smpi/forward.hpp>
+#include <xbt/string.hpp>
 
 #include <string>
 
@@ -17,6 +19,7 @@ namespace s4u {
 /** @brief Mailboxes: Network rendez-vous points. */
 class XBT_PUBLIC Mailbox {
   friend Comm;
+  friend smpi::Request;
   friend kernel::activity::MailboxImpl;
 
   kernel::activity::MailboxImpl* const pimpl_;
@@ -24,29 +27,32 @@ class XBT_PUBLIC Mailbox {
   explicit Mailbox(kernel::activity::MailboxImpl * mbox) : pimpl_(mbox) {}
   ~Mailbox() = default;
 
-public:
-  /** private function, do not use. FIXME: make me protected */
-  kernel::activity::MailboxImpl* get_impl() { return pimpl_; }
+protected:
+  kernel::activity::MailboxImpl* get_impl() const { return pimpl_; }
 
+public:
   /** @brief Retrieves the name of that mailbox as a C++ string */
   const xbt::string& get_name() const;
   /** @brief Retrieves the name of that mailbox as a C string */
   const char* get_cname() const;
 
-  /** Retrieve the mailbox associated to the given name */
+  /** Retrieve the mailbox associated to the given name. Mailboxes are created on demand. */
   static Mailbox* by_name(const std::string& name);
 
   /** Returns whether the mailbox contains queued communications */
-  bool empty();
+  bool empty() const;
 
   /** Check if there is a communication going on in a mailbox. */
-  bool listen();
+  bool listen() const;
+
+  /** Look if there is a communication going on in a mailbox and return the PID of the sender actor */
+  aid_t listen_from() const;
 
   /** Check if there is a communication ready to be consumed from a mailbox. */
-  bool ready();
+  bool ready() const;
 
   /** Gets the first element in the queue (without dequeuing it), or nullptr if none is there */
-  kernel::activity::CommImplPtr front();
+  kernel::activity::CommImplPtr front() const;
 
   /** Declare that the specified actor is a permanent receiver on that mailbox
    *
@@ -69,7 +75,7 @@ public:
   void set_receiver(ActorPtr actor);
 
   /** Return the actor declared as permanent receiver, or nullptr if none **/
-  ActorPtr get_receiver();
+  ActorPtr get_receiver() const;
 
   /** Creates (but don't start) a data transmission to that mailbox */
   CommPtr put_init();
@@ -78,7 +84,8 @@ public:
   /** Creates and start a data transmission to that mailbox */
   CommPtr put_async(void* data, uint64_t simulated_size_in_bytes);
 
-  smx_activity_t iprobe(int type, int (*match_fun)(void*, void*, kernel::activity::CommImpl*), void* data);
+  kernel::activity::ActivityImplPtr iprobe(int type, bool (*match_fun)(void*, void*, kernel::activity::CommImpl*),
+                                           void* data);
   /** Blocking data transmission */
   void put(void* payload, uint64_t simulated_size_in_bytes);
   /** Blocking data transmission with timeout */