#include <stdio.h>
#include <iostream.h>

#ifdef SUN
   #include <stdlib.h>
#endif

   
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

#include <unistd.h>           // read(), write(), close() 
#include <pthread.h>          // thread

//  #include <thread.h>          // thread

#include <semaphore.h>
 
#include "tcp.h"
#include "tcpstream.h"

//-----------  S H A R E D _ M E M O R Y -------------------

#include "sparse_mask.h"                  // must be included for GLOBAL_VAR.h
#include "../client/sparse_2.h"           // must be included for GLOBAL_VAR.h
#include "../manage/manage.h"             // must be included before GLOB
#include "GLOBAL_VARIABLE.h"

void  client_network ( tcp_Stream * );    // file client.c

void *display_thread ( void * );          // display.c

void *manage_thread  ( void * );


main(int argc, char ** argv)
{
   int   port_number =1222;
   char * servername = "brutus.ams.sunysb.edu" ;

   if (argc >=2 )
        servername  = argv[1];
   if (argc ==3 )
        port_number = atoi ( argv[2] );
 
   int sd = open_socket  ( servername, servername , port_number );

   cout << "the socket is " << sd << endl;
   tcp_Stream netstream ( sd );

   //------------ initialise  semaphore ------------------//

   sem_init ( &DATA_READY                        ,1, 1 );

   //----- between   D I S P L A Y   and  S U B  _  D I S P L A Y 

   sem_init ( &SUB_DISPLAY_SYNC                  ,1, 0 );

   //----- betwenn   M A N A G E R   <-------->  D I S P L A Y

   sem_init ( &D_IS_EMPTY                        ,1, 1 );
   sem_init ( &D_IS_FULL                         ,1, 0 );
   sem_init ( &D_DATA_LOCK                       ,1, 1 );

   sem_init ( &D_JOB_DONE                        ,1, 0 );

   //----- betwenn   M A N A G E R   <-------->  N E T W O R K 

   sem_init ( &N_IS_EMPTY                        ,1, 1 );
   sem_init ( &N_IS_FULL                         ,1, 0 );
   sem_init ( &N_DATA_LOCK                       ,1, 1 );
   
   sem_init ( &N_JOB_DONE                        ,1, 0 );
   
   //----- betwenn   M A N A G E R   <-------->  I N P U T 

   sem_init ( &I_IS_EMPTY                        ,1, 1 );
   sem_init ( &I_IS_FULL                         ,1, 0 );
   sem_init ( &I_DATA_LOCK                       ,1, 1 );


   //-----    the sum of    N_IS_EMPTY, D_IS_EMPTY and I_FULL ----

   sem_init ( &D_EMPTY_N_EMPTY_I_FULL            ,1, 2 );


   //------------ start the 
   //------------        D I S P L A Y   t h r e a d.
   pthread_t          display_id;
   pthread_create ( &display_id, NULL, display_thread, NULL );
   
   //------------ start the 
   //------------        M A N A G E     t h r e a d.
   pthread_t          manager_id;
   pthread_create ( &manager_id, NULL, manage_thread,  NULL );

   //------------ the main thread will continue to be the 
   //------------        N E T   W O R K  t h r e a d.

   client_network ( &netstream );

   //------------  q u i t    

   pthread_kill (  display_id, SIGKILL);
   pthread_join (  display_id, NULL );
}