#ifndef SIMGRID_S4U_MAILBOX_HPP
#define SIMGRID_S4U_MAILBOX_HPP
-#include <boost/unordered_map.hpp>
+#include <string>
#include <xbt/base.h>
+
#include <simgrid/s4u/forward.hpp>
-#include <simgrid/s4u/actor.hpp>
+#include <simgrid/s4u/Actor.hpp>
namespace simgrid {
namespace s4u {
*/
XBT_PUBLIC_CLASS Mailbox {
friend Comm;
+ friend simgrid::s4u::Engine;
+ friend simgrid::simix::Mailbox;
-private:
- Mailbox(const char*name, smx_mailbox_t inferior);
-public:
- ~Mailbox();
-
-protected:
- smx_mailbox_t getInferior() { return inferior_; }
+ simgrid::simix::Mailbox *pimpl_;
+ Mailbox(smx_mailbox_t mbox): pimpl_(mbox) {}
+
+ // We don't have to manage the lifetime of mailboxes:
+ friend void intrusive_ptr_add_ref(Mailbox*) {}
+ friend void intrusive_ptr_release(Mailbox*) {}
public:
+ smx_mailbox_t getImpl() { return pimpl_; } // FIXME: make me protected
+
+
/** Get the name of that mailbox */
const char *getName();
- /** Retrieve the mailbox associated to the given string */
- static Mailbox *byName(const char *name);
+
+ /** Retrieve the mailbox associated to the given string (as a C string) */
+ static MailboxPtr byName(const char *name);
+
+ /** Retrieve the mailbox associated to the given string (as a C++ string) */
+ static MailboxPtr byName(std::string name);
+
/** Returns whether the mailbox contains queued communications */
bool empty();
-private:
- std::string name_;
- smx_mailbox_t inferior_;
- static boost::unordered_map<std::string, Mailbox *> *mailboxes;
-};
-}} // namespace simgrid::s4u
+ /** Returns the first element in the queue, or nullptr if none is there */
+ smx_activity_t front();
-#endif /* C++ */
+ /** Declare that the specified process is a permanent receiver on that mailbox
+ *
+ * It means that the communications sent to this mailbox will start flowing to
+ * its host even before he does a recv(). This models the real behavior of TCP
+ * and MPI communications, amongst other.
+ */
+ void setReceiver(ActorPtr process);
-XBT_PUBLIC(sg_mbox_t) sg_mbox_by_name(const char*name);
-XBT_PUBLIC(int) sg_mbox_is_empty(sg_mbox_t mbox);
+ /** Return the process declared as permanent receiver, or nullptr if none **/
+ ActorPtr receiver();
+};
+
+}} // namespace simgrid::s4u
#endif /* SIMGRID_S4U_MAILBOX_HPP */