Thread: socket programming in c or c++ in linux...

hello everyone,
i have read the small basic of socket programming in c and now i want to read more about it in advance level where i can deal with steaming of data
on network. is there ny tutorial available about advance socket programming in c or c++??
i am using gcc or g++ compiler in linux os.
and also i want to learn how to create gui in c or c++...share any gud link if nyone have...thnx
plz help.

Beej's Guide to Network Programming
Using Internet Sockets

http://beej.us/guide/bgnet/

hello!
I have to make a user interface for a chat program in c using NCURSES. My problem is that i have codes i've found on the net but how can i integrate it to the ncurses as my UI.

My ui must have window, for messages, other, is for online clients and last is for the space to write msgs. Can someone help me how to make one...plzzz.

THANKS !

hello!
I've started to study ncurses...but i've encounter problem such as how will i extract the list of clients that are online or just joined in the chat server.

this is my code..
______________________________
http://dejant.blogspot.com/2007/08/c...gram-in-c.html

Code:

while (1) {
        testfds = readfds;
        select(FD_SETSIZE, &testfds, NULL, NULL, NULL);
                    
        /* If there is activity, find which descriptor it's on using FD_ISSET */
        for (fd = 0; fd < FD_SETSIZE; fd++) {
           if (FD_ISSET(fd, &testfds)) {
              
              if (fd == server_sockfd) { /* Accept a new connection request */
                 client_sockfd = accept(server_sockfd, NULL, NULL);
                 /*printf("client_sockfd: %d\n",client_sockfd);*/
                
                                
                 if (num_clients < MAX_CLIENTS) {
                    FD_SET(client_sockfd, &readfds);
                    fd_array[num_clients]=client_sockfd;
                    /*Client ID*/
                    printf("Client %d joined\n",num_clients++);
                    fflush(stdout);
                    
                    sprintf(msg,"M%d",client_sockfd);       
                    /*write 2 byte clientID */
                    send(client_sockfd,msg,strlen(msg),0);
                 }
                 else {
                    sprintf(msg, "XSorry, too many clients.  Try again later.\n");
                    write(client_sockfd, msg, strlen(msg));
                    close(client_sockfd);
                 }
              }
              else if (fd == 0)  {  /* Process keyboard activity */                 
                 fgets(kb_msg, MSG_SIZE + 1, stdin);
                 //printf("%s\n",kb_msg);
                 if (strcmp(kb_msg, "quit\n")==0) {
                    sprintf(msg, "XServer is shutting down.\n");
                    for (i = 0; i < num_clients ; i++) {
                       write(fd_array[i], msg, strlen(msg));
                       close(fd_array[i]);
                    }
                    close(server_sockfd);
                    exit(0);
                 }
                 else {
                    //printf("server - send\n");
                  sprintf(msg, "Message :%s", kb_msg);
                    for (i = 0; i < num_clients ; i++)
                       write(fd_array[i], msg, strlen(msg));
                 }
              }
              else if(fd) {  /*Process Client specific activity*/
                 //printf("server - read\n");
                 //read data from open socket
                 result = read(fd, msg, MSG_SIZE);
                 
                 if(result==-1) perror("read()");
                 else if(result>0){
                    /*read 2 bytes client id*/
                    sprintf(kb_msg,"M%d",fd);     //2 change 1
                    msg[result]='\0';
                    
                    /*concatinate the client id with the client's message*/
                    strcat(kb_msg,msg+1);                                        
                    
                    /*print to other clients*/
                    for(i=1;i<num_clients;i++){
                       if (fd_array[i] != fd)  /*dont write msg to same client*/
                          write(fd_array[i],kb_msg,strlen(kb_msg));
                    }
                    /*print to server*/
                    printf("Print to Server:%s",kb_msg+1);
                    
                     /*Exit Client*/
                    if(msg[0] == 'X'){
                       exitClient(fd,&readfds, fd_array,&num_clients);
                    }   
                 }                                   
              }                  
              else {  /* A client is leaving */
                 exitClient(fd,&readfds, fd_array,&num_clients);
              }//if
           }//if
        }//for
     }//while

***wHICH part of the code can i extract the list of clients except myself of course, to be displayed at the right side of SERVER and CLIENT program?
**I tried after the read() fxn but there's no any output...
***Can someone help me how to display the clients list?....

THANKS!