X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/c771a55e40d2a41d607a0da1b67cd1f7d546ccc8..1bba96ae977208a57bd80c7011c2033435a64d44:/communicator.h diff --git a/communicator.h b/communicator.h index 4e0757a..66dc800 100644 --- a/communicator.h +++ b/communicator.h @@ -4,6 +4,7 @@ #define COMMUNICATOR_H #include +#include #include #include #include "hostdata.h" @@ -29,36 +30,49 @@ public: communicator(); ~communicator(); - void listen(); - + // Send a message to the "dest" mailbox void send(const char* dest, message* msg); - bool recv(message*& msg, m_host_t& from, bool wait); - void flush(bool wait); - void next_close_on_ctrl_is_last(); - void next_close_on_data_is_last(); + // 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); private: // Myself const hostdata* host; + // Used to synchronize main and receiver thread + xbt_mutex_t mutex; + xbt_cond_t cond; + // List of pending send communications std::list sent_comm; + // Queue of received messages + std::queue received; + // Control channel for receiving - m_task_t ctrl_task; - msg_comm_t ctrl_comm; - bool ctrl_close_is_last; + m_task_t ctrl_task; // receive buffer + msg_comm_t ctrl_comm; // receive communication // Data channel for receiving - m_task_t data_task; - msg_comm_t data_comm; - bool data_close_is_last; + m_task_t data_task; // receive buffer + msg_comm_t data_comm; // receive communication const char* get_ctrl_mbox() const { return host->get_ctrl_mbox(); } const char* get_data_mbox() const { return host->get_data_mbox(); } - static void comm_push_in_dynar(xbt_dynar_t dynar, msg_comm_t comm); + // Handling of receiving thread + m_process_t receiver_process; + static int receiver_wrapper(int, char* []); + int receiver(); + + // Used to test if a communication is over, and to destroy it if it is static bool comm_test_n_destroy(msg_comm_t comm); };