X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/fc5dcac1115a7112e7ad9d67ce7fe233790e0887..892e36c1af3105e5f548a4ef8b9f777b95d47fc2:/communicator.h diff --git a/communicator.h b/communicator.h index ea096d6..7cb1efc 100644 --- a/communicator.h +++ b/communicator.h @@ -4,57 +4,49 @@ #define COMMUNICATOR_H #include -#include #include - -class message { -public: - enum message_type { INFO, CREDIT, LOAD, CTRL_CLOSE, DATA_CLOSE }; - - message(message_type t, double a): type(t), amount(a) { } - - message_type get_type() const { return type; } - double get_amount() const { return amount; } - -private: - message_type type; - double amount; -}; +#include "hostdata.h" +#include "messages.h" +#include "synchro.h" class communicator { public: communicator(); ~communicator(); + // 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 wait_for_sent(); - void next_close_on_ctrl_is_last(); - void next_close_on_data_is_last(); + // Try to flush pending sending communications. + // If "wait" is true, blocks until success. + void flush(bool wait); - int send_backlog(); + // 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); private: + // Myself + const hostdata* host; + // List of pending send communications std::list sent_comm; - // Control channel for receiving - std::string ctrl_mbox; - msg_comm_t ctrl_comm; - m_task_t ctrl_task; - bool ctrl_close_is_last; + // Queue of received messages + message_queue received; - // Data channel for receiving - std::string data_mbox; - msg_comm_t data_comm; - m_task_t data_task; - bool data_close_is_last; + // 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(); - const char* get_ctrl_mbox() const { return ctrl_mbox.c_str(); } - const char* get_data_mbox() const { return data_mbox.c_str(); } - static bool comm_test_n_destroy(msg_comm_t& comm); - void flush_sent(); + // 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); }; #endif // !COMMUNICATOR_H