X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/b78d5563826957045678f4c3bcfdcef6c9bfc48d..19bd6da8ab56b6bf46c380491ca84fe845a68fcd:/communicator.h diff --git a/communicator.h b/communicator.h index 465d0cf..b04301a 100644 --- a/communicator.h +++ b/communicator.h @@ -4,10 +4,19 @@ #define COMMUNICATOR_H #include +#include #include #include #include "hostdata.h" +// Cannot include "options.h" without error, so only declare the +// needed functions. +namespace opt { + bool parse_args(int* argc, char* argv[]); + void print(); + void usage(); +} + class message { public: enum message_type { INFO, CREDIT, LOAD, CTRL_CLOSE, DATA_CLOSE }; @@ -29,50 +38,57 @@ 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. + // Try to get a message. Returns true on success. + // If "wait" is true, blocks until success. bool recv(message*& msg, m_host_t& from, bool wait); // 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; + // Used to synchronize main and receiver thread + xbt_mutex_t mutex; + xbt_cond_t cond; + // List of pending send communications std::list sent_comm; - static const int send_count_before_flush; + static int send_count_before_flush; int send_counter; + // Queue of received messages + std::queue received; + // 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 const char* get_ctrl_mbox() const { return host->get_ctrl_mbox(); } const char* get_data_mbox() const { return host->get_data_mbox(); } - // Used to test if a communication is over, and to destroy it if it is. + // 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); + + // Make opt::* functions our friends to provide them an access to + // send_count_before_flush + friend bool opt::parse_args(int*, char* []); + friend void opt::print(); + friend void opt::usage(); }; #endif // !COMMUNICATOR_H