#include <list>
#include <string>
#include <msg/msg.h>
+#include "hostdata.h"
class message {
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.
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;
+
// List of pending send communications
std::list<msg_comm_t> sent_comm;
+ static const int send_count_before_flush;
+ int send_counter;
// Control channel for receiving
- std::string ctrl_mbox;
- msg_comm_t ctrl_comm;
- m_task_t ctrl_task;
- bool ctrl_close_is_last;
+ 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
- std::string data_mbox;
- msg_comm_t data_comm;
- m_task_t data_task;
- bool data_close_is_last;
+ 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 ctrl_mbox.c_str(); }
- const char* get_data_mbox() const { return data_mbox.c_str(); }
+ 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);
+ // 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);
};
