X-Git-Url: https://bilbo.iut-bm.univ-fcomte.fr/and/gitweb/loba.git/blobdiff_plain/6f5ec5fdc42f96a8fe95f4b846b163d4dc92e0c8..c2e3e8bc788aa97edc116a151feb705cf77fce57:/communicator.h?ds=sidebyside diff --git a/communicator.h b/communicator.h index f1ee1d9..b79210c 100644 --- a/communicator.h +++ b/communicator.h @@ -3,47 +3,71 @@ #ifndef COMMUNICATOR_H #define COMMUNICATOR_H -#include - +#include #include -#include -#include "neighbor.h" +#include "hostdata.h" +#include "messages.h" +#include "msg_thread.h" class communicator { public: communicator(); ~communicator(); - void send_info(const neighbor& dest, double amount); - void send_credit(const neighbor& dest, double amount); - void send_load(const neighbor& dest, double amount); + // Send a message to the "dest" mailbox + void ctrl_send(const char* dest, message* msg) { + ctrl_sent.push_back(real_send(dest, msg)); + } + void data_send(const char* dest, message* msg) { + data_sent.push_back(real_send(dest, msg)); + } + + // Try to flush pending sending communications. + // If "wait" is true, blocks until success. + void ctrl_flush(bool wait) { + real_flush(ctrl_sent, wait); + } + void data_flush(bool wait) { + real_flush(data_sent, wait); + } - bool recv_info(double& amount, m_host_t& from); - bool recv_credit(double& amount, m_host_t& from); - bool recv_load(double& amount, m_host_t& from); + // Flush all sending_communications. Blocking. + void flush_all(); - 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 ctrl_recv(message*& msg, m_host_t& from, double timeout) { + return ctrl_received.pop(msg, from, timeout); + } + bool data_recv(message*& msg, m_host_t& from, double timeout) { + return data_received.pop(msg, from, timeout); + } private: - enum message_type { INFO_MSG, CREDIT_MSG }; - class message; + // Myself + const hostdata* host; // List of pending send communications - std::list sent_comm; + typedef std::vector sent_comm_type; + sent_comm_type ctrl_sent; + sent_comm_type data_sent; + + msg_comm_t real_send(const char* dest, message* msg); + void real_flush(sent_comm_type& sent_comm, bool wait); - // Control channel for receiving - char* ctrl_mbox; - msg_comm_t ctrl_comm; - m_task_t ctrl_task; + // Queues of received messages + message_queue ctrl_received; + message_queue data_received; - // Data channel for receiving - char* data_mbox; - msg_comm_t data_comm; - m_task_t data_task; + // Handling of receiving thread + msg_thread* receiver_thread; + void receiver(); - bool recv_ctrl(message_type type, double& amount, m_host_t& from); - void send(const char* dest, m_task_t task); - 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