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-rw-r--r--cpp/src/qpid/framing/ChannelAdapter.cpp109
1 files changed, 109 insertions, 0 deletions
diff --git a/cpp/src/qpid/framing/ChannelAdapter.cpp b/cpp/src/qpid/framing/ChannelAdapter.cpp
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+++ b/cpp/src/qpid/framing/ChannelAdapter.cpp
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+/*
+ *
+ * Copyright (c) 2006 The Apache Software Foundation
+ *
+ * Licensed 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 <boost/format.hpp>
+
+#include "ChannelAdapter.h"
+#include "AMQFrame.h"
+#include "qpid/Exception.h"
+
+using boost::format;
+
+namespace qpid {
+namespace framing {
+
+void ChannelAdapter::init(
+ ChannelId i, OutputHandler& o, ProtocolVersion v)
+{
+ assertChannelNotOpen();
+ id = i;
+ out = &o;
+ version = v;
+}
+
+RequestId ChannelAdapter::send(
+ shared_ptr<AMQBody> body, Correlator::Action action)
+{
+ RequestId requestId = 0;
+ assertChannelOpen();
+ switch (body->type()) {
+ case REQUEST_BODY: {
+ AMQRequestBody::shared_ptr request =
+ boost::shared_polymorphic_downcast<AMQRequestBody>(body);
+ requester.sending(request->getData());
+ requestId = request->getData().requestId;
+ if (!action.empty())
+ correlator.request(requestId, action);
+ break;
+ }
+ case RESPONSE_BODY: {
+ AMQResponseBody::shared_ptr response =
+ boost::shared_polymorphic_downcast<AMQResponseBody>(body);
+ responder.sending(response->getData());
+ break;
+ }
+ // No action required for other body types.
+ }
+ out->send(new AMQFrame(getVersion(), getId(), body));
+ return requestId;
+}
+
+void ChannelAdapter::handleRequest(AMQRequestBody::shared_ptr request) {
+ assertMethodOk(*request);
+ AMQRequestBody::Data& requestData = request->getData();
+ responder.received(requestData);
+ handleMethodInContext(request, MethodContext(this, request));
+}
+
+void ChannelAdapter::handleResponse(AMQResponseBody::shared_ptr response) {
+ assertMethodOk(*response);
+ AMQResponseBody::Data& responseData = response->getData();
+
+ // FIXME aconway 2007-04-05: processed should be last
+ // but causes problems with InProcessBroker tests because
+ // we execute client code in handleMethod.
+ // Need to introduce a queue & 2 threads for inprocess.
+ requester.processed(responseData);
+ // FIXME aconway 2007-04-04: exception handling.
+ correlator.response(response);
+ handleMethod(response);
+}
+
+void ChannelAdapter::handleMethod(AMQMethodBody::shared_ptr method) {
+ assertMethodOk(*method);
+ handleMethodInContext(method, MethodContext(this, method));
+}
+
+void ChannelAdapter::assertMethodOk(AMQMethodBody& method) const {
+ if (getId() != 0 && method.amqpClassId() == ConnectionOpenBody::CLASS_ID)
+ throw ConnectionException(
+ 504, format("Connection method on non-0 channel %d.")%getId());
+}
+
+void ChannelAdapter::assertChannelOpen() const {
+ if (getId() != 0 && !isOpen())
+ throw ConnectionException(
+ 504, format("Channel %d is not open.")%getId());
+}
+
+void ChannelAdapter::assertChannelNotOpen() const {
+ if (getId() != 0 && isOpen())
+ throw ConnectionException(
+ 504, format("Channel %d is already open.") % getId());
+}
+
+}} // namespace qpid::framing