+ enum class Type { SEND = 0, RECEIVE, READY, DONE };
+
+ CommImpl& set_type(CommImpl::Type type);
+ CommImpl& set_size(double size);
+ CommImpl& set_src_buff(void* buff, size_t size);
+ CommImpl& set_dst_buff(void* buff, size_t* size);
+ CommImpl& set_rate(double rate);
+ double get_rate() { return rate_; }
+
+ void copy_data();
+
+ CommImpl* start();
+ void suspend() override;
+ void resume() override;
+ void cancel() override;
+ void post() override;
+ void finish() override;
+
+ CommImpl::Type type_; /* Type of the communication (SIMIX_COMM_SEND or SIMIX_COMM_RECEIVE) */
+ MailboxImpl* mbox = nullptr; /* Rendez-vous where the comm is queued */
+
+#if SIMGRID_HAVE_MC
+ MailboxImpl* mbox_cpy = nullptr; /* Copy of the rendez-vous where the comm is queued, MC needs it for DPOR
+ (comm.mbox set to nullptr when the communication is removed from the mailbox
+ (used as garbage collector)) */
+#endif
+ bool detached_ = false; /* If detached or not */
+
+ void (*clean_fun)(void*) = nullptr; /* Function to clean the detached src_buf if something goes wrong */
+ int (*match_fun)(void*, void*, CommImpl*) = nullptr; /* Filter function used by the other side. It is used when
+looking if a given communication matches my needs. For that, myself must match the
+expectations of the other side, too. See */
+ void (*copy_data_fun)(CommImpl*, void*, size_t) = nullptr;
+
+ /* Surf action data */
+ resource::Action* src_timeout_ = nullptr; /* Surf's actions to instrument the timeouts */
+ resource::Action* dst_timeout_ = nullptr; /* Surf's actions to instrument the timeouts */
+ actor::ActorImplPtr src_actor_ = nullptr;
+ actor::ActorImplPtr dst_actor_ = nullptr;
+
+ /* Data to be transfered */
+ void* src_buff_ = nullptr;
+ void* dst_buff_ = nullptr;
+ size_t src_buff_size_ = 0;
+ size_t* dst_buff_size_ = nullptr;
+ bool copied = false; /* whether the data were already copied */