#include <sys/utsname.h>
#include <stdlib.h>
#include <strings.h>
#include "templ.h"
#include "Server.h"
#include <unistd.h>
#include <globus_toolkit.h>

#define SERVER_PORT 13123

// Sync variable used to wait for the client's "killMe" request.
extern HPCxx_Sync<int> *mywait;

// The main function.
int main(int argc, char **argv) {
  // Every HPC++ context (not created by hpcxx_createContext) calls this
  // function to initialize. Must be called only once in a context.
  HPCxx_Group *group;
  hpcxx_init(argc, argv, group);  
  cout << "Server :: in main(): hpcxx_init done \n" << flush;

  // Instantiate the sync variable to be used later to wait.
  mywait = new HPCxx_Sync<int>;

  // Register all the functions that the client may invoke
  Server::registerAll();

  // Allow other contexts to attach to me. I am asking the clients to attach to
  // me on the SERVER_PORT. The next two args are: a callback function and its
  // arg. For this example, we don't want to be called back when an attach
  // request comes, so they are given as NULL. 
  unsigned short attachPort = SERVER_PORT;
  if ( hpcxx_allowAttach(attachPort, (void (*)(void *)) NULL, (void *)NULL) ==
	  -1) {
    cout << "Error: hpcxx_allowAttach unsuccessful\n";
    hpcxx_exit();
    cout << "Should never reach here\n" << flush;
    exit(1);
  }
  cout << "Server :: ready to accept \"attach\" requests\n" << flush;

  // Wait here until asked by the client to exit.
  int x = *mywait;

  // Let the killMe call return to the client, then I will exit.
  sleep(3);

  // Called before exiting.
  hpcxx_exit();
}