+
+CommImplPtr MailboxImpl::iprobe(int type, int (*match_fun)(void*, void*, CommImpl*), void* data)
+{
+ XBT_DEBUG("iprobe from %p %p", this, &comm_queue_);
+
+ CommImplPtr this_comm;
+ CommImpl::Type smx_type;
+ if (type == 1) {
+ this_comm = CommImplPtr(new CommImpl(CommImpl::Type::SEND));
+ smx_type = CommImpl::Type::RECEIVE;
+ } else {
+ this_comm = CommImplPtr(new CommImpl(CommImpl::Type::RECEIVE));
+ smx_type = CommImpl::Type::SEND;
+ }
+ CommImplPtr other_comm = nullptr;
+ if (permanent_receiver_ != nullptr && not done_comm_queue_.empty()) {
+ XBT_DEBUG("first check in the permanent recv mailbox, to see if we already got something");
+ other_comm = find_matching_comm(smx_type, match_fun, data, this_comm, /*done*/ true, /*remove_matching*/ false);
+ }
+ if (not other_comm) {
+ XBT_DEBUG("check if we have more luck in the normal mailbox");
+ other_comm = find_matching_comm(smx_type, match_fun, data, this_comm, /*done*/ false, /*remove_matching*/ false);
+ }
+
+ return other_comm;
+}
+
+/**
+ * @brief Checks if there is a communication activity queued in comm_queue_ matching our needs
+ * @param type The type of communication we are looking for (comm_send, comm_recv)
+ * @param match_fun the function to apply
+ * @param this_user_data additional parameter to the match_fun
+ * @param my_synchro what to compare against
+ * @param remove_matching whether or not to clean the found object from the queue
+ * @return The communication activity if found, nullptr otherwise
+ */
+CommImplPtr MailboxImpl::find_matching_comm(CommImpl::Type type, int (*match_fun)(void*, void*, CommImpl*),
+ void* this_user_data, const CommImplPtr& my_synchro, bool done,
+ bool remove_matching)
+{
+ void* other_user_data = nullptr;
+ auto& comm_queue = done ? done_comm_queue_ : comm_queue_;
+
+ for (auto it = comm_queue.begin(); it != comm_queue.end(); it++) {
+ CommImplPtr& comm = *it;
+
+ if (comm->type == CommImpl::Type::SEND) {
+ other_user_data = comm->src_data_;
+ } else if (comm->type == CommImpl::Type::RECEIVE) {
+ other_user_data = comm->dst_data_;
+ }
+ if (comm->type == type && (match_fun == nullptr || match_fun(this_user_data, other_user_data, comm.get())) &&
+ (not comm->match_fun || comm->match_fun(other_user_data, this_user_data, my_synchro.get()))) {
+ XBT_DEBUG("Found a matching communication synchro %p", comm.get());
+#if SIMGRID_HAVE_MC
+ comm->mbox_cpy = comm->mbox;
+#endif
+ comm->mbox = nullptr;
+ CommImplPtr comm_cpy = comm;
+ if (remove_matching)
+ comm_queue.erase(it);
+ return comm_cpy;
+ }
+ XBT_DEBUG("Sorry, communication synchro %p does not match our needs:"
+ " its type is %d but we are looking for a comm of type %d (or maybe the filtering didn't match)",
+ comm.get(), (int)comm->type, (int)type);
+ }
+ XBT_DEBUG("No matching communication synchro found");
+ return nullptr;
+}