#define COMMUNICATOR_H
#include <list>
-#include <string>
#include <msg/msg.h>
+#include "hostdata.h"
+#include "messages.h"
+#include "synchro.h"
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);
-private:
- typedef std::list<msg_comm_t> comm_list;
- comm_list sent_comm;
- char* recv_mbox;
- msg_comm_t recv_comm;
- m_task_t recv_task;
+ // Try to flush pending sending communications.
+ // If "wait" is true, blocks until success.
+ void flush(bool wait);
+
+ // 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);
- void send_acknowledge();
+private:
+ // Myself
+ const hostdata* host;
+
+ // List of pending send communications
+ std::list<msg_comm_t> sent_comm;
+
+ // Queue of received messages
+ message_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();
+
+ // 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
