Improved synchronization with receiver process.

[loba.git] / process.h

diff --git a/process.h b/process.h
index 053e3482c67fbbd424632ebaf770b6c4a2378fbb..b15f98297cc540481516b4fa0bd3052e5a4d57f2 100644 (file)
--- a/process.h
+++ b/process.h
@@ -13,17 +13,21 @@
 #  define MAP_TEMPLATE std::map
 #endif
 #include <msg/msg.h>
 #  define MAP_TEMPLATE std::map
 #endif
 #include <msg/msg.h>

+#include <xbt/log.h>

 #include "communicator.h"
 #include "neighbor.h"
 
 class process {
 public:
 #include "communicator.h"
 #include "neighbor.h"
 
 class process {
 public:

-    static double get_total_load_init() { return total_load_init; }
-    static double get_total_load_exit() { return total_load_exit; }
+    static double get_total_load_init()    { return total_load_init;    }
+    static double get_total_load_running() { return total_load_running; }
+    static double get_total_load_exit()    { return total_load_exit;    }

 
     process(int argc, char* argv[]);
     virtual ~process();
 
 
     process(int argc, char* argv[]);
     virtual ~process();
 

+    double get_load() const                { return load; }
+

     int run();
 
 protected:
     int run();
 
 protected:


@@ -36,9 +40,20 @@ protected:
     // Returns the sum of "to_send" for all neighbors.
     double sum_of_to_send() const;
 
     // Returns the sum of "to_send" for all neighbors.
     double sum_of_to_send() const;
 

+    // Calls neighbor::print(verbose, logp, cat) for each member of neigh.
+    void print_loads(bool verbose = false,
+                     e_xbt_log_priority_t logp = xbt_log_priority_info,
+                     xbt_log_category_t cat = _XBT_LOGV(default)) const;
+
+    // Calls neighbor::print(verbose, logp, cat) for each member of pneigh.
+    void print_loads_p(bool verbose = false,
+                       e_xbt_log_priority_t logp = xbt_log_priority_info,
+                       xbt_log_category_t cat = _XBT_LOGV(default)) const;
+

 private:
 private:

-    static double total_load_init;
-    static double total_load_exit;
+    static double total_load_init; // sum of process loads at init
+    static double total_load_running; // summ of loads while running
+    static double total_load_exit; // sum of process loads at exit

 
     typedef MAP_TEMPLATE<m_host_t, neighbor*> rev_neigh_type;
     neigh_type neigh;           // list of neighbors (do not alter
 
     typedef MAP_TEMPLATE<m_host_t, neighbor*> rev_neigh_type;
     neigh_type neigh;           // list of neighbors (do not alter


@@ -50,8 +65,11 @@ private:
                                 // on ctrl channel
     int data_close_pending;     // number of "close" messages to wait
                                 // on data channel
                                 // on ctrl channel
     int data_close_pending;     // number of "close" messages to wait
                                 // on data channel

+    bool close_received;        // true if we received a "close" message
+    bool finalizing;            // true when finalize() is running

 
 

-    unsigned iter;              // counter of iterations
+    unsigned lb_iter;           // counter of load-balancing iterations
+    unsigned comp_iter;         // counter of computation iterations

 
     double prev_load_broadcast; // used to ensure that we do not send
                                 // a same information messages
 
     double prev_load_broadcast; // used to ensure that we do not send
                                 // a same information messages


@@ -72,19 +90,16 @@ private:
     void send1_bookkeeping(neighbor& nb);
     void send();
 
     void send1_bookkeeping(neighbor& nb);
     void send();
 

-    // Receive procedure: wait (or not) for a message to come.
-    // Returns false if some "close" message was received, returns true
-    // otherwise.
-    enum recv_wait_mode { NO_WAIT = 0, WAIT, WAIT_FOR_CLOSE };
-    bool receive(recv_wait_mode wait);
+    // Returns true if there remains neighbors to listen for
+    bool may_receive() { return ctrl_close_pending || data_close_pending; }
+
+    // Receive procedure: wait (or not) for a message to come
+    void receive(bool wait);

 
     // Finalize sends a "close" message to each neighbor and wait for
     // all of them to answer.
     void finalize1(neighbor& nb);
     void finalize();
 
     // Finalize sends a "close" message to each neighbor and wait for
     // all of them to answer.
     void finalize1(neighbor& nb);
     void finalize();

-
-    // Print with given priority what we know about our neighbors' loads
-    void print_loads(e_xbt_log_priority_t logp = xbt_log_priority_info);

 };
 
 #endif // !PROCESS_H
 };
 
 #endif // !PROCESS_H