+ Implement a lightweight TCP server

src/Mod/Web/App/AppWebPy.cpp

@@ -0,0 +1,103 @@
+/***************************************************************************
+ *   Copyright (c) 2014 Werner Mayer <wmayer[at]users.sourceforge.net>     *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 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 Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+
+#include "PreCompiled.h"
+#ifndef _PreComp_
+#endif
+
+#include <Python.h>
+
+#include <Base/Console.h>
+#include <Base/PyObjectBase.h>
+#include <Base/Exception.h>
+#include <CXX/Objects.hxx>
+#include "Server.h"
+
+using namespace Web;
+
+
+// See http://docs.python.org/2/library/socketserver.html
+/*
+import socket
+import threading
+import SocketServer
+
+
+ip = "127.0.0.1"
+port=54880
+
+def client(ip, port, message):
+    sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    sock.connect((ip, port))
+    try:
+        sock.sendall(message)
+        response = sock.recv(1024)
+        print "Received: {}".format(response)
+    finally:
+        sock.close()
+
+
+
+client(ip, port, "print 'Hello World 1'")
+client(ip, port, "import FreeCAD\nFreeCAD.newDocument()")
+client(ip, port, "Hello World 3\n")
+
+*/
+
+/* module functions */
+static PyObject * startServer(PyObject *self, PyObject *args)
+{
+    const char* addr = "127.0.0.1";
+    int port=0;
+    if (!PyArg_ParseTuple(args, "|si",&addr,&port))
+        return NULL;
+
+    PY_TRY {
+        AppServer* server = new AppServer();
+
+        if (server->listen(QHostAddress(QString::fromLatin1(addr)), port)) {
+            QString a = server->serverAddress().toString();
+            quint16 p = server->serverPort();
+            Py::Tuple t(2);
+            t.setItem(0, Py::String((const char*)a.toLatin1()));
+            t.setItem(1, Py::Int(p));
+            return Py::new_reference_to(t);
+        }
+        else {
+            QString a = server->serverAddress().toString();
+            quint16 p = server->serverPort();
+            server->deleteLater();
+            PyErr_Format(PyExc_RuntimeError, "Server failed to listen at address %s and port %d", (const char*)a.toLatin1(), p);
+            return 0;
+        }
+    } PY_CATCH;
+
+    Py_Return;
+}
+
+/* registration table  */
+struct PyMethodDef Web_methods[] = {
+    {"startServer",startServer      ,METH_VARARGS,
+     "startServer(address=127.0.0.1,port=0) -- Start a server."},
+    {NULL, NULL}        /* end of table marker */
+};