// ------------------------------- // // -------- Start of File -------- // // ------------------------------- // // ----------------------------------------------------------- // // C++ Source Code File Name: server.cpp // C++ Compiler Used: MSVC, BCC32, GCC, HPUX aCC, SOLARIS CC // Produced By: glNET Software // File Creation Date: 09/20/1999 // Date Last Modified: 05/25/2001 // Copyright (c) 2001 glNET Software // ----------------------------------------------------------- // // ------------- Program Description and Details ------------- // // ----------------------------------------------------------- // /* This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA Simple datagram server demo using the gxSocket class. */ // ----------------------------------------------------------- // #include <iostream.h> #include <string.h> #include <stdlib.h> #include "gxsocket.h" int main(int argc, char **argv) { // Check arguments. Should be only one: the port number to bind to. if(argc != 2) { cerr << "Usage: " << argv[0] << " port" << endl; return 1; } unsigned short port = (unsigned short) atoi(argv[1]); cout << "Construcing datagram server..." << endl; gxSocket server(SOCK_DGRAM, port); if(!server) { cout << server.SocketExceptionMessage() << endl; return 1; } // Get the host name assigned to this machine (statistical info only) char hostname[gxsMAX_NAME_LEN]; int rv = server.GetHostName(hostname); if(rv < 0) { cout << server.SocketExceptionMessage() << endl; return 1; } cout << "Opening stream server on host " << hostname << endl; cout << "Listening on port " << port << endl; // Bind the name to the socket rv = server.Bind(); if(rv < 0) { cout << server.SocketExceptionMessage() << endl; return 1; } const int buf_len = 255; // Receive buffer size char sbuf[buf_len]; rv = server.RawReadFrom(sbuf, buf_len); // Non-blocking read if(rv < 0) { cout << server.SocketExceptionMessage() << endl; return 1; } // Get the client info (statistical info only) char client_name[gxsMAX_NAME_LEN]; int r_port = -1; server.GetClientInfo(client_name, r_port); cout << "Receiving data from " << client_name << " remote port " << r_port << endl << flush; cout << "Received " << rv << " bytes" << endl; // Print the buffer contents to the stdout for visual conformation sbuf[rv] = 0; // Null termainate the buffer cout << sbuf; cout << "Exiting..." << endl; server.Close(); // Close the socket connection server.ReleaseSocketLibrary(); return 0; } // ----------------------------------------------------------- // // ------------------------------- // // --------- End of File --------- // // ------------------------------- //