Define class for message queue.

[loba.git] / communicator.h

diff --git a/communicator.h b/communicator.h
index c18b662410b7614c4e6d8877d3b44c1aa8967c21..7cb1efcb0883374084f9aeb872b5a2fad1bd96b6 100644 (file)
--- a/communicator.h
+++ b/communicator.h
@@ -4,50 +4,49 @@
 #define COMMUNICATOR_H
 
 #include <list>
 #define COMMUNICATOR_H
 
 #include <list>

-#include <string>

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

-
-class message {
-public:
-    enum message_type { INFO, CREDIT, LOAD, CLOSE };
-
-    message(message_type t, double a): type(t), amount(a) { }
-
-    message_type get_type() const       { return type;   }
-    double get_amount() const           { return amount; }
-
-private:
-    message_type type;
-    double amount;
-};
+#include "hostdata.h"
+#include "messages.h"
+#include "synchro.h"

 
 class communicator {
 public:
     communicator();
     ~communicator();
 
 
 class communicator {
 public:
     communicator();
     ~communicator();
 

+    // Send a message to the "dest" mailbox

     void send(const char* dest, message* msg);
     void send(const char* dest, message* msg);

-    bool recv(message*& msg, m_host_t& from);

 
 

-    int send_backlog();
+    // 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);

 
 private:
 
 private:

+    // Myself
+    const hostdata* host;
+

     // List of pending send communications
     std::list<msg_comm_t> sent_comm;
 
     // List of pending send communications
     std::list<msg_comm_t> sent_comm;
 

-    // Control channel for receiving
-    std::string ctrl_mbox;
-    msg_comm_t  ctrl_comm;
-    m_task_t    ctrl_task;
+    // Queue of received messages
+    message_queue received;

 
 

-    // Data channel for receiving
-    std::string data_mbox;
-    msg_comm_t  data_comm;
-    m_task_t    data_task;
+    // 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();

 
 

-    const char* get_ctrl_mbox() const   { return ctrl_mbox.c_str(); }
-    const char* get_data_mbox() const   { return data_mbox.c_str(); }
-    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
 };
 
 #endif // !COMMUNICATOR_H