client_tcp.cpp

#include "common.h"

using namespace std;
 
int main(int argc, char *argv[])
{
	if(argc < 3)
	{
        cout << "Expected execution : ./client host port" << endl;
		return 0;
	}

	int sckt,server,bufferSize = 1024;
    char buffer[bufferSize];
    struct hostent *remoteHost;
    struct sockaddr_in server_addr;
 
    sckt = socket(AF_INET, SOCK_STREAM, 0);

    if (sckt < 0)
    {
        perror("Error establishing a socket !!");
        return 0;
    }

    remoteHost = gethostbyname(argv[1]);

    server_addr.sin_family = AF_INET;
    server_addr.sin_port = htons(atoi(argv[2]));
    bcopy((char *)remoteHost->h_addr,(char *)&server_addr.sin_addr,remoteHost->h_length);

    server = connect(sckt,(struct sockaddr *)&server_addr, sizeof(server_addr)) ; 

    if ( server < 0){
        perror("Unable to connect to server !!");
        return 0;
    }

    cout << "Successfully connected to the server..." << endl;
    
    while(true)
    	{
            memset(buffer,0,strlen(buffer));
	  		cin.getline(buffer,bufferSize);
	       	send(sckt, buffer, strlen(buffer), 0);
			if(cin.fail())
            {
                close(sckt);
				cout << "File read and passed out successfully..Exiting the connection..!!" <<endl ;
                return 0;
            }
       	}

    cout << "Server disconnected !! Closing the socket..." << endl ;
    
    close(sckt);

}