#include <thread.h>
#include <stdlib.h>
#include <string.h>
#include <iostream.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/time.h>
#include <unistd.h>
#include <errno.h>
#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>


int getsecs(void) 
{
	struct timeval time;
	gettimeofday(&time, NULL);
	return time.tv_sec;
}

class UDPThread : public Thread {
 public:
	UDPThread() : Thread() { }

 protected:
	void Run(void) {
		int fd = 0;
		char buf[1024];
		struct sockaddr_in src;
		bzero (&src, sizeof (src));
//		src.sin_len = sizeof (src);
		src.sin_family = AF_INET;
		src.sin_port = htons(3000);
		src.sin_addr.s_addr = htonl(INADDR_ANY);


		if( (fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
			perror("socket ");
			return;
		}
		
		if( bind(fd, (struct sockaddr *)&src, sizeof(src)) < 0) {
			perror("bind ");
			return;
		}
		
		cout << "waiting" << endl;
		if( read(fd, buf, 1024) < 0){
			perror("read ");
			return;
		}
		cout << "done recv" << endl;
		return;

	}
};

class MyThread : public Thread {
public:
  MyThread(int val=0) : Thread() { sleeptime = val;}
  
protected:
	  int sleeptime;
	  void Run(void) {
		  struct timeval time;
		  time.tv_sec =  sleeptime;
		  time.tv_usec = 0;
		  cout << "ID " << sleeptime << " I am running at " << getsecs() << endl;
		  select(0,0,0,0,&time);
		  cout << "ID " << sleeptime << " I am returning at " << getsecs() << endl;
		  
	  }

};


int main(void)
{

  MyThread thread1(5);
  MyThread thread2(7); 
  MyThread thread3(9);
  UDPThread thread4;

  thread4.Start();
  thread3.Start();
  thread2.Start();
  thread1.Start();
  //  sleep(2);
  Thread::Join(&thread4);
  return 0;
}