Refactored the IO framework that sits on top of Poller so that it uses a generalised IOHandle.

This means that you can define new classes derived from IOHandle (other than Socket) that
can also be added to a Poller and waited for.


git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@648288 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 45 insertions, 0 deletions

diff --git a/cpp/src/qpid/sys/IOHandle.h b/cpp/src/qpid/sys/IOHandle.h
new file mode 100644
index 0000000000..d06512da58
--- /dev/null
+++ b/cpp/src/qpid/sys/IOHandle.h
@@ -0,0 +1,45 @@
+#ifndef _sys_IOHandle_h
+#define _sys_IOHandle_h
+
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ * 
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ *
+ */
+
+namespace qpid {
+namespace sys {
+
+/**
+ * This is a class intended to abstract the Unix concept of file descriptor or the Windows concept of HANDLE
+ */
+class PollerHandle;
+class IOHandlePrivate;
+class IOHandle {
+    friend class PollerHandle;
+
+protected:
+    IOHandlePrivate* const impl;
+
+    IOHandle(IOHandlePrivate*);
+    virtual ~IOHandle();
+};
+
+}}
+
+#endif // _sys_IOHandle_h