Wednesday 30 March 2016

TCP CHAT PROGRAM

**********************************SERVER***************************************

#include <sys/types.h>         
#include <sys/socket.h>
#include<stdio.h>
#include <unistd.h>
#include<netinet/in.h>
#include<string.h>
#define SERV_TCP_PORT 5035

int main(int argc,char**argv)
{
    int sockfd,clientfd,len;
    char tubelight[100];
    struct sockaddr_in server1,client1;
    sockfd=socket(AF_INET,SOCK_STREAM,0);
    if(sockfd==-1)
    {
        printf("Socket Creation Fail\n");
    }
    else
    printf("Socet Created....\n");
    server1.sin_family=AF_INET;
    server1.sin_port=htons(SERV_TCP_PORT);
    server1.sin_addr.s_addr=INADDR_ANY;
    bind(sockfd,(struct sockaddr*)&server1,sizeof(server1));
   
    printf("Binding......\n");
    listen(sockfd,5);
    printf("Listening.........\n");
    len=sizeof(client1);
   
    clientfd=accept(sockfd,(struct sockaddr*)&client1,&len);
    printf("Accepted......\n");
    while(1)
    {
        read(clientfd,tubelight,100);
        printf("TUBELIGHT=%s",tubelight);
        bzero(tubelight,sizeof(tubelight));
        printf("SUMIT:-");
        fgets(tubelight,100,stdin);
        write(clientfd,tubelight,100);
       
       
    }
        close(sockfd);
}
   

*****************************************CLIENT**********************************

#include<stdio.h>
#include <sys/types.h>         
#include <sys/socket.h>
#include<netinet/in.h>
#include<string.h>
#define SERV_TCP_PORT 5035
int main(int argc,char **argv)
{
    int sockfd;
    char tubelight[100];
    struct sockaddr_in server1;
    struct hostent *server;
    sockfd=socket(AF_INET,SOCK_STREAM,0);
    if(sockfd==-1)
        printf("Error in Creation.....\n");
        server1.sin_family=AF_INET;
        server1.sin_port=htons(SERV_TCP_PORT);
        server1.sin_addr.s_addr=inet_addr("127.0.0.1");
        connect(sockfd,(struct sockaddr*)&server1,sizeof(server1));
        while(1)
        {
            //bzero(tubelight,sizeof(tubelight));
            printf("TUBELIGHT:-");
            fgets(tubelight,100,stdin);
            write(sockfd,tubelight,100);
            bzero(tubelight,sizeof(tubelight));
            read(sockfd,tubelight,100);
            printf("server=%s",tubelight);
        }
        close(sockfd);
}

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