#include <stdio.h>      /* for printf() and fprintf() */
#include <sys/socket.h> /* for socket(), connect(), send(), and recv() */
#include <arpa/inet.h>  /* for sockaddr_in and inet_addr() */
#include <stdlib.h>     /* for atoi() and exit() */
#include <string.h>     /* for memset() */
#include <unistd.h>     /* for close() */

#define MAXCONN 1024   /* Max number of connections */

int main(int argc, char *argv[])
{
    int sock[MAXCONN];                  /* Socket descriptor */
    struct sockaddr_in echoServAddr;    /* Echo server address */
    unsigned short echoServPort;        /* Echo server port */
    char *servIP;                       /* Server IP address (dotted quad) */
    char *echoString;                   /* String to send to echo server */
    int i=0,s=0,numconn;

    if (argc < 2)    /* Test for correct number of arguments */
    {
       fprintf(stderr, "Usage: %s <IP> <Port>\n",
               argv[0]);
       exit(1);
    }

    servIP = argv[1];             /* First arg: server IP address (dotted quad) */
    echoServPort = atoi(argv[2]); /* Use given port, if any */

    /* Create a reliable, stream socket using TCP */
    printf("Creating %d sockets for the test...",MAXCONN);
    i=0;
    while (i<MAXCONN) {
        if ((sock[i] = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
            s=1;
        i++;
    }
    printf("Done.\n");
    printf("Currently opening connection number:\n");
    /* Construct the server address structure */
    memset(&echoServAddr, 0, sizeof(echoServAddr));     /* Zero out structure */
    echoServAddr.sin_family      = AF_INET;             /* Internet address family */
    echoServAddr.sin_addr.s_addr = inet_addr(servIP);   /* Server IP address */
    echoServAddr.sin_port        = htons(echoServPort); /* Server port */

    /* Establish the connection to the echo server */
    s=0;
    i=0;
    while (s!=1) {
	if (connect(sock[i], (struct sockaddr *) &echoServAddr, sizeof(echoServAddr)) < 0)
            s=1;
	printf("\b\b\b%d",i);
	i++;
	if (i>MAXCONN) {
	    printf("\nReached max number of connections. Recompile? ;-)\n");
	    s=1;
	}
	sleep(0.2);
    }
    close(sock[0]); //havent gotten around to closing them all, but i will
    exit(0);
}