diff options
Diffstat (limited to 'trunk/qpid/cpp/src/qpid/cluster/Decoder.cpp')
-rw-r--r-- | trunk/qpid/cpp/src/qpid/cluster/Decoder.cpp | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/trunk/qpid/cpp/src/qpid/cluster/Decoder.cpp b/trunk/qpid/cpp/src/qpid/cluster/Decoder.cpp new file mode 100644 index 0000000000..23ba372d78 --- /dev/null +++ b/trunk/qpid/cpp/src/qpid/cluster/Decoder.cpp @@ -0,0 +1,65 @@ +/* + * + * 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. + * + */ +#include "qpid/cluster/Decoder.h" +#include "qpid/cluster/EventFrame.h" +#include "qpid/framing/ClusterConnectionDeliverCloseBody.h" +#include "qpid/framing/Buffer.h" +#include "qpid/framing/AMQFrame.h" + + +namespace qpid { +namespace cluster { + +void Decoder::decode(const EventHeader& eh, const char* data) { + sys::Mutex::ScopedLock l(lock); + assert(eh.getType() == DATA); // Only handle connection data events. + const char* cp = static_cast<const char*>(data); + framing::Buffer buf(const_cast<char*>(cp), eh.getSize()); + framing::FrameDecoder& decoder = map[eh.getConnectionId()]; + if (decoder.decode(buf)) { // Decoded a frame + framing::AMQFrame frame(decoder.getFrame()); + while (decoder.decode(buf)) { + callback(EventFrame(eh, frame)); + frame = decoder.getFrame(); + } + // Set read-credit on the last frame ending in this event. + // Credit will be given when this frame is processed. + callback(EventFrame(eh, frame, 1)); + } + else { + // We must give 1 unit read credit per event. + // This event does not complete any frames so + // send an empty frame with the read credit. + callback(EventFrame(eh, framing::AMQFrame(), 1)); + } +} + +void Decoder::erase(const ConnectionId& c) { + sys::Mutex::ScopedLock l(lock); + map.erase(c); +} + +framing::FrameDecoder& Decoder::get(const ConnectionId& c) { + sys::Mutex::ScopedLock l(lock); + return map[c]; +} + +}} // namespace qpid::cluster |