X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/b78d5563826957045678f4c3bcfdcef6c9bfc48d..82a490fdda330eb916eb059929de4be817fe8a87:/communicator.h?ds=sidebyside diff --git a/communicator.h b/communicator.h index 465d0cf..b51f743 100644 --- a/communicator.h +++ b/communicator.h @@ -4,9 +4,11 @@ #define COMMUNICATOR_H #include +#include #include #include #include "hostdata.h" +#include "synchro.h" class message { public: @@ -29,49 +31,38 @@ public: communicator(); ~communicator(); - // Start to listen for incoming messages - void listen(); - // Send a message to the "dest" mailbox void send(const char* dest, message* msg); - // Try to receive a message. Returns true on success. - // If "wait" is true, blocks until success or error. - bool recv(message*& msg, m_host_t& from, bool wait); + // Try to get a message. Returns true on success. + // Parameter "timeout" may be 0 for non-blocking operation, -1 for + // infinite waiting, or any positive timeout. + bool recv(message*& msg, m_host_t& from, double timeout); // Try to flush pending sending communications. // If "wait" is true, blocks until success. void flush(bool wait); - // Advertise that the next "close" message is the last one, and - // that we do not await any message after that, either on the - // control or the data channel. - void next_close_on_ctrl_is_last(); - void next_close_on_data_is_last(); - private: // Myself const hostdata* host; // List of pending send communications std::list sent_comm; - static const int send_count_before_flush; - int send_counter; - - // Control channel for receiving - m_task_t ctrl_task; // receive buffer - msg_comm_t ctrl_comm; // receive communication - bool ctrl_close_is_last; // do not rearm comm after next close - // Data channel for receiving - m_task_t data_task; // receive buffer - msg_comm_t data_comm; // receive communication - bool data_close_is_last; // do not rearm comm after next close + // Queue of received messages + std::queue received; - const char* get_ctrl_mbox() const { return host->get_ctrl_mbox(); } - const char* get_data_mbox() const { return host->get_data_mbox(); } + // Handling of receiving thread + mutex_t receiver_mutex; + condition_t receiver_cond; + m_process_t receiver_thread; + static int receiver_wrapper(int, char* []); + void receiver(); - // Used to test if a communication is over, and to destroy it if it is. + // Used to chek if a communication is successfull before destroying it + static void comm_check_n_destroy(msg_comm_t comm); + // If comm is over, call comm_check_n_destroy(comm), and return true static bool comm_test_n_destroy(msg_comm_t comm); };