added new example: a simple TCP Client-Server

Examples/TCPClientServer/SConscript

+Import('env')
+import SENFSCons
+
+###########################################################################
+
+SENFSCons.Binary(env, 'client', 'client.cc',
+                LIBS = [ 'Packets', 'Socket', 'Utils' ]);
+
+SENFSCons.Binary(env, 'server', 'server.cc',
+                LIBS = [ 'Scheduler', 'Packets', 'Socket', 'Utils' ]);

Examples/TCPClientServer/client.cc

+// $Id$
+//
+// Copyright (C) 2007
+// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
+// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the
+// Free Software Foundation, Inc.,
+// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+
+// Custom includes
+#include <iostream>
+#include <sstream>
+#include "Socket/TCPSocketHandle.hh"
+#include "Socket/INetAddressing.hh"
+#include "Packets/EthernetPacket.hh"
+
+
+int main(int argc, char const * argv[])
+{
+    try {
+        for (int i=0; i<=1000; i++) {
+            senf::TCPv4ClientSocketHandle sock;
+            sock.connect(senf::INet4Address("127.0.0.1", 4243));
+            sock.protocol().linger(true);
+            
+            std::stringstream s;
+            s << i++;
+            sock.write(s.str());
+
+            sock.close();
+            
+            std::cout << i << std::endl;
+        }
+    }
+    catch (std::exception const & ex) {
+        std::cerr << senf::prettyName(typeid(ex)) << ": " << ex.what() << "\n";
+    }
+    
+    return 0;
+}

Examples/TCPClientServer/server.cc

+// $Id$
+//
+// Copyright (C) 2007
+// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
+// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program 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 General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the
+// Free Software Foundation, Inc.,
+// 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+// Definition of non-inline non-template functions
+
+//#include "server.hh"
+//#include "server.ih"
+
+// Custom includes
+#include <string>
+#include "Scheduler/Scheduler.hh"
+#include "Utils/membind.hh"
+#include "Socket/TCPSocketHandle.hh"
+#include "Socket/INetAddressing.hh"
+#include "Packets/EthernetPacket.hh"
+
+
+class Server
+{
+    senf::TCPv4ServerSocketHandle serverSock;
+
+public:
+    Server(std::string const & host, unsigned int port)
+        : serverSock(senf::INet4Address(host, port)) {}
+    
+    void run() 
+    {
+        senf::Scheduler::instance().add(
+            serverSock, 
+            senf::membind(&Server::accept, this),
+            senf::Scheduler::EV_READ);
+        senf::Scheduler::instance().process();
+    }
+         
+private:
+    void accept(senf::FileHandle /* ignored */, senf::Scheduler::EventId event)
+    {
+        senf::TCPv4ClientSocketHandle clientSock (serverSock.accept());
+        senf::Scheduler::instance().add(
+            clientSock,
+            senf::membind(&Server::readFromClient, this),
+            senf::Scheduler::EV_READ);
+    }
+    
+    void readFromClient(senf::TCPv4ClientSocketHandle clientSock, senf::Scheduler::EventId event)
+    {
+        if (!clientSock) {
+            senf::Scheduler::instance().remove(clientSock);
+            return;
+        }
+        std::string data (clientSock.read());
+        std::cout << "'" << data << "'" << std::endl;
+    }
+};
+
+
+int main(int argc, char const * argv[])
+{
+    try {
+        Server myServer ("127.0.0.1", 4243);
+        myServer.run();
+    }
+    catch (std::exception const & ex) {
+        std::cerr << senf::prettyName(typeid(ex)) << ": " << ex.what() << "\n";
+    }
+    return 0;
+}