Define class for message queue.

[loba.git] / communicator.h

diff --git a/communicator.h b/communicator.h
index f00e063494d14aa2680ccda94207797af6550a7b..7cb1efcb0883374084f9aeb872b5a2fad1bd96b6 100644 (file)
--- a/communicator.h
+++ b/communicator.h
@@ -4,26 +4,10 @@
 #define COMMUNICATOR_H
 
 #include <list>
 #define COMMUNICATOR_H
 
 #include <list>

-#include <queue>
-#include <string>

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

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

 
 class communicator {
 public:
 
 class communicator {
 public:


@@ -33,45 +17,35 @@ public:
     // Send a message to the "dest" mailbox
     void send(const char* dest, message* msg);
 
     // Send a message to the "dest" mailbox
     void send(const char* dest, message* msg);
 

-    // Try to get a message.  Returns true on success.
-    // If "wait" is true, blocks until success.
-    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);
 
     // 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:
     // Myself
     const hostdata* host;
 
 private:
     // Myself
     const hostdata* host;
 

-    // Used to synchronize main and receiver thread 
-    xbt_mutex_t mutex;
-    xbt_cond_t cond;
-

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

-    std::queue<m_task_t> received;
-
-    // Control channel for receiving
-    m_task_t    ctrl_task;          // receive buffer
-    msg_comm_t  ctrl_comm;          // receive communication
-
-    // Data channel for receiving
-    m_task_t    data_task;          // receive buffer
-    msg_comm_t  data_comm;          // receive communication
-
-    const char* get_ctrl_mbox() const   { return host->get_ctrl_mbox(); }
-    const char* get_data_mbox() const   { return host->get_data_mbox(); }
+    message_queue received;

 
     // Handling of receiving thread
 
     // Handling of receiving thread

-    m_process_t receiver_process;
+    mutex_t receiver_mutex;
+    condition_t receiver_cond;
+    m_process_t receiver_thread;

     static int receiver_wrapper(int, char* []);
     static int receiver_wrapper(int, char* []);

-    int receiver();
+    void receiver();

 
 

-    // Used to test if a communication is over, and to destroy it if it is
+    // 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);
 };
 
     static bool comm_test_n_destroy(msg_comm_t comm);
 };