PIEthernet fix tcp-server close (properly delete all clients)

PIEthernet::stopThreadedListen() method
decompose client to 2 implementations - server-side and client-side

libs/client_server/piclientserver_client.cpp

@@ -0,0 +1,50 @@
+/*
+    PIP - Platform Independent Primitives
+	Ivan Pelipenko peri4ko@yandex.ru
+
+    This program 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 3 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 Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "piclientserver_client.h"
+
+#include "piethernet.h"
+
+
+void PIClientServer::ServerClient::createForServer(PIEthernet * tcp_) {
+	tcp = tcp_;
+	tcp->setParameter(PIEthernet::KeepConnection, false);
+	init();
+}
+
+
+PIClientServer::Client::Client() {
+	tcp = new PIEthernet(PIEthernet::TCP_Client);
+	tcp->setParameter(PIEthernet::KeepConnection, true);
+	own_tcp = true;
+	init();
+}
+
+
+PIClientServer::Client::~Client() {
+	stop();
+}
+
+
+void PIClientServer::Client::connect(PINetworkAddress addr) {
+	if (!tcp || !own_tcp) return;
+	stop();
+	tcp->connect(addr, true);
+	tcp->startThreadedRead();
+	piCout << "Connect to" << addr.toString();
+}