X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/f29b38ef2a056daa14bbfda2fce78063faa773d4..82a490fdda330eb916eb059929de4be817fe8a87:/communicator.h?ds=sidebyside diff --git a/communicator.h b/communicator.h index ca0d3b2..b51f743 100644 --- a/communicator.h +++ b/communicator.h @@ -4,27 +4,66 @@ #define COMMUNICATOR_H #include +#include #include #include +#include "hostdata.h" +#include "synchro.h" + +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; } + + std::string to_string(); + +private: + message_type type; + double amount; +}; class communicator { public: communicator(); ~communicator(); - void send(m_task_t task, const char *dest); - void send(m_task_t task, const std::string& dest); - m_task_t recv(); - int sent_count(); + // Send a message to the "dest" mailbox + void send(const char* dest, message* msg); + + // 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: - typedef std::list comm_list; - comm_list sent_comm; - char* recv_mbox; - msg_comm_t recv_comm; - m_task_t recv_task; + // Myself + const hostdata* host; + + // List of pending send communications + std::list sent_comm; + + // Queue of received messages + std::queue received; + + // 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(); - void send_acknowledge(); + // 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