/*
 * server.c - main
 */
#include <stdio.h>
#include "tcplib.h"
#define ECHOPORT        7788       /* a non-privilege port so all can use */
#define MAX             1024

int main(int argc,char *argv[])
{
    int s, t;
    char buf[MAX];
    int size;
    int number;
    char * urls = "http://www.cnn.com\0http://www.abc.com";

    s = socketServer(ECHOPORT);
    while (1)
    {
	if (s > 0)
	    t = acceptConn(s);
	else
	{
	    fprintf(stderr," socket error\n");
	    exit(1);
	}
	if (t > 0)
	{
	    if ((size = read(t, (char *)&number, sizeof(int))) < 0)
	    {
		fprintf(stderr," read error\n");
		exit(3);
	    }
	    number = ntohl(number);
	    fprintf(stdout, "int read : %d\n", number);
	    number = 2;   // two urls
	    if (write(t, (char *)&number, sizeof(int)) < 0)
	    {
		fprintf(stderr," write error 2\n");
		exit(1);
	    }
	    number = 37;  // 37 bytes to send
	    if (write(t, (char *)&number, sizeof(int)) < 0)
	    {
		fprintf(stderr," write error\n");
		exit(4);
	    }
	    if (write(t, urls, number) != number)
	    {
		fprintf(stderr," write error1\n");
		exit(1);
	    }
	}
	else
	{
	    fprintf(stderr," connection error\n");
	    exit(2);
	}
	close(t);
    } /* while(1) */
    close(s);
    return 0;
}