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-rw-r--r--python/modules/IcePy/Dispatcher.cpp163
1 files changed, 163 insertions, 0 deletions
diff --git a/python/modules/IcePy/Dispatcher.cpp b/python/modules/IcePy/Dispatcher.cpp
new file mode 100644
index 00000000000..06a6d39c991
--- /dev/null
+++ b/python/modules/IcePy/Dispatcher.cpp
@@ -0,0 +1,163 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2017 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#ifdef _WIN32
+# include <IceUtil/Config.h>
+#endif
+#include <Dispatcher.h>
+#include <Connection.h>
+#include <Thread.h>
+#include <Ice/Initialize.h>
+
+using namespace std;
+using namespace IcePy;
+
+namespace IcePy
+{
+
+struct DispatcherCallObject
+{
+ PyObject_HEAD
+ Ice::DispatcherCallPtr* call;
+};
+
+}
+
+#ifdef WIN32
+extern "C"
+#endif
+static void
+dispatcherCallDealloc(DispatcherCallObject* self)
+{
+ delete self->call;
+ Py_TYPE(self)->tp_free(reinterpret_cast<PyObject*>(self));
+}
+
+#ifdef WIN32
+extern "C"
+#endif
+static PyObject*
+dispatcherCallInvoke(DispatcherCallObject* self, PyObject* /*args*/, PyObject* /*kwds*/)
+{
+ AllowThreads allowThreads; // Release Python's global interpreter lock during blocking calls.
+
+ try
+ {
+ (*self->call)->run();
+ }
+ catch(const Ice::Exception& ex)
+ {
+ setPythonException(ex);
+ return 0;
+ }
+
+ return incRef(Py_None);
+}
+
+namespace IcePy
+{
+
+PyTypeObject DispatcherCallType =
+{
+ /* The ob_type field must be initialized in the module init function
+ * to be portable to Windows without using C++. */
+ PyVarObject_HEAD_INIT(0, 0)
+ STRCAST("IcePy.DispatcherCall"), /* tp_name */
+ sizeof(DispatcherCallObject), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ /* methods */
+ reinterpret_cast<destructor>(dispatcherCallDealloc), /* tp_dealloc */
+ 0, /* tp_print */
+ 0, /* tp_getattr */
+ 0, /* tp_setattr */
+ 0, /* tp_reserved */
+ 0, /* tp_repr */
+ 0, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ 0, /* tp_hash */
+ reinterpret_cast<ternaryfunc>(dispatcherCallInvoke), /* tp_call */
+ 0, /* tp_str */
+ 0, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT, /* tp_flags */
+ 0, /* tp_doc */
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ 0, /* tp_iter */
+ 0, /* tp_iternext */
+ 0, /* tp_methods */
+ 0, /* tp_members */
+ 0, /* tp_getset */
+ 0, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ 0, /* tp_init */
+ 0, /* tp_alloc */
+ 0, /* tp_new */
+ 0, /* tp_free */
+ 0, /* tp_is_gc */
+};
+
+}
+
+bool
+IcePy::initDispatcher(PyObject* module)
+{
+ if(PyType_Ready(&DispatcherCallType) < 0)
+ {
+ return false;
+ }
+ PyTypeObject* type = &DispatcherCallType; // Necessary to prevent GCC's strict-alias warnings.
+ if(PyModule_AddObject(module, STRCAST("DispatcherCall"), reinterpret_cast<PyObject*>(type)) < 0)
+ {
+ return false;
+ }
+
+ return true;
+}
+
+IcePy::Dispatcher::Dispatcher(PyObject* dispatcher) :
+ _dispatcher(dispatcher)
+{
+ Py_INCREF(dispatcher);
+}
+
+void
+IcePy::Dispatcher::setCommunicator(const Ice::CommunicatorPtr& communicator)
+{
+ _communicator = communicator;
+}
+
+void
+IcePy::Dispatcher::dispatch(const Ice::DispatcherCallPtr& call, const Ice::ConnectionPtr& con)
+{
+ AdoptThread adoptThread; // Ensure the current thread is able to call into Python.
+
+ DispatcherCallObject* obj =
+ reinterpret_cast<DispatcherCallObject*>(DispatcherCallType.tp_alloc(&DispatcherCallType, 0));
+ if(!obj)
+ {
+ return;
+ }
+
+ obj->call = new Ice::DispatcherCallPtr(call);
+ PyObjectHandle c = createConnection(con, _communicator);
+ PyObjectHandle tmp = PyObject_CallMethod(_dispatcher.get(), STRCAST("dispatch"), STRCAST("OO"), obj, c);
+ Py_DECREF(reinterpret_cast<PyObject*>(obj));
+ if(!tmp.get())
+ {
+ throwPythonException();
+ }
+}