Message Distributor is a server that listens on port 2000. Any number of clients can connect to that server. When a client sends a message to the server, the server will broadcast this message to all other clients, but not to the one that sent the message.
Source code
/*
msg-distributor.cpp
Copyright (C) 2002-2017 René Nyffenegger
This source code is provided 'as-is', without any express or implied
warranty. In no event will the author be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
1. The origin of this source code must not be misrepresented; you must not
claim that you wrote the original source code. If you use this source code
in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original source code.
3. This notice may not be removed or altered from any source distribution.
René Nyffenegger rene.nyffenegger@adp-gmbh.ch
*/
#include "Socket.h"
#include <process.h>
#include <string>
#include <list>
typedef std::list<Socket*> socket_list;
socket_list g_connections;
unsigned __stdcall Connection(void* a) {
Socket* s = (Socket*) a;
g_connections.push_back(s);
s->SendLine("Welcome to the Message Distributor");
while (1) {
std::string r = s->ReceiveLine();
if (r.empty()) break;
for (socket_list::iterator os =g_connections.begin();
os!=g_connections.end();
os++) {
if (*os != s) (*os)->SendLine(r);
}
}
g_connections.remove(s);
delete s;
return 0;
}
int main() {
SocketServer in(2000,5);
while (1) {
Socket* s=in.Accept();
unsigned ret;
_beginthreadex(0,0,Connection,(void*) s,0,&ret);
}
return 0;
}