Define class for message queue.

[loba.git] / communicator.h

diff --git a/communicator.h b/communicator.h
index ca0d3b2031c5b092078a82a75b4f682167fc46a7..7cb1efcb0883374084f9aeb872b5a2fad1bd96b6 100644 (file)
--- a/communicator.h
+++ b/communicator.h
@@ -4,27 +4,49 @@
 #define COMMUNICATOR_H
 
 #include <list>
 #define COMMUNICATOR_H
 
 #include <list>

-#include <string>

 #include <msg/msg.h>
 #include <msg/msg.h>

+#include "hostdata.h"
+#include "messages.h"
+#include "synchro.h"

 
 class communicator {
 public:
     communicator();
     ~communicator();
 
 
 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
 };
 
 #endif // !COMMUNICATOR_H