#include #include #include #include #include #include #include int main() { int server_fd,client_fd; struct sockaddr_in server_addr; printf("Creating server socket... \n"); if((server_fd=socket(AF_INET,SOCK_STREAM,0))<0) { printf("ERROR : Error in server socket creation. \n"); exit(1); } printf("Server socket creation success... \n"); printf("Assigning port and address to the server socket... \n"); bzero(&server_addr,sizeof(server_addr)); server_addr.sin_family=AF_INET; server_addr.sin_port=htons(3022); server_addr.sin_addr.s_addr=htonl(INADDR_ANY); //server_addr.sin_addr.s_addr=inet_addr("127.0.1.1"); /* if(inet_pton(AF_INET,"127.0.1.1",&server_addr.sin_addr)<0) { printf("ERROR : Error in pton() function. \n"); exit(1); } */ printf("Port and address assignment success... \n"); printf("Binding... \n"); if(bind(server_fd,(struct sockaddr*)&server_addr,sizeof(server_addr))<0) { printf("ERROR : Error on bind() funtion. \n"); exit(1); } printf("Binding success... \n"); printf("________________SERVER DETAILS______________ \n"); printf("PORT NUMBER : %i \n",ntohs(server_addr.sin_port)); printf("ADDRESS : %s \n",inet_ntoa(server_addr.sin_addr)); printf("_____________________________________________ \n"); printf("Listening... \n"); if(listen(server_fd,3)<0) { printf("ERROR : Error on listen() function. \n"); exit(1); } printf("Listen success... \n"); printf("For testing\n"); printf("Waiting for a client..."); //if((client_fd=accept(server_fd,(struct sockaddr*)&client_addr,(socklen_t*)&client_addr))<0) if((client_fd=accept(server_fd,NULL,NULL))<0) { printf("ERROR : Error in accept() function. \n"); exit(1); } printf("\n\n"); printf("Client connected...!!! \n"); printf("Writing message on client file descriptor... \n"); write(client_fd,"This is a message from Thameem's PC",sizeof("This is a message from Thameem's PC")); printf("Message written successfully... \n"); close(client_fd); printf("\n\nClient disconnected... \n"); printf("Exiting... \n"); exit(1); return 0; }

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