#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <errno.h>
#include <sys/time.h>
#include <strings.h>
#include <ctype.h>


int main(int argc, char **argv)
{
    int sockfd;
    struct sockaddr_in servaddr;
    socklen_t len = sizeof(servaddr);
    char *point;
    char mesg[1024];
    char command[10];
    char myip[50];
    char count[50]="4";
    struct timeval time1,time2;

    if(argc!=2){
        printf("Usage: %s <ip_addr>\n",argv[0]);
        return -EINVAL;
    }

//  while(1){

    sockfd = socket(PF_INET,SOCK_STREAM,0);
    if(sockfd<0) {
        perror("socket: ");
        return -EIO;
    }
    bzero(&servaddr, sizeof(servaddr));
    servaddr.sin_family = AF_INET;
    servaddr.sin_port = htons(54321);
    inet_pton(AF_INET,argv[1],&servaddr.sin_addr);


    while(1){
    scanf("%s %s %s", command, myip, count);
    printf("%s, %s, %s", command, myip, count);
    if (strncmp (command, "ping", 4)==0){
        printf("NAG-PING KA!");
        if(connect(sockfd,(struct sockaddr *)&servaddr,sizeof(servaddr))<0){
            perror("connect: ");
            close(sockfd);
        return -EIO;
        }
        while (1){
        fgets(mesg,sizeof(mesg),stdin);
        sendto(sockfd,mesg,strlen(mesg),0,(const struct sockaddr *)&servaddr,len);
        }
        close(sockfd);
    }


    if (strncmp (command, "send", 4)==0){
        printf("NAG-SEND KA!");
        if(connect(sockfd,(struct sockaddr *)&servaddr,sizeof(servaddr))<0){
            perror("connect: ");
            close(sockfd);
        return -EIO;
        }
        while (1){
        fgets(mesg,sizeof(mesg),stdin);
        sendto(sockfd,mesg,strlen(mesg),0,(const struct sockaddr *)&servaddr,len);
        }
        close(sockfd);
    }
    }




/*  bzero(&servaddr, sizeof(servaddr));
    servaddr.sin_family = AF_INET;
    servaddr.sin_port = htons(54321);
    inet_pton(AF_INET,argv[1],&servaddr.sin_addr);

    //not present in udp clients
    if(connect(sockfd,(struct sockaddr *)&servaddr,sizeof(servaddr))<0){
        perror("connect: ");
        close(sockfd);
    return -EIO;
    }

//      while(1){
        fgets(mesg,sizeof(mesg),stdin);
        sendto(sockfd,mesg,strlen(mesg),0,(const struct sockaddr *)&servaddr,len);
    }
    close(sockfd);
 */ return 0;
}