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author | Rajith Muditha Attapattu <rajith@apache.org> | 2011-05-27 15:44:23 +0000 |
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committer | Rajith Muditha Attapattu <rajith@apache.org> | 2011-05-27 15:44:23 +0000 |
commit | 66765100f4257159622cefe57bed50125a5ad017 (patch) | |
tree | a88ee23bb194eb91f0ebb2d9b23ff423e3ea8e37 /qpid/cpp/src/qpid/framing/SendContent.cpp | |
parent | 1aeaa7b16e5ce54f10c901d75c4d40f9f88b9db6 (diff) | |
parent | 88b98b2f4152ef59a671fad55a0d08338b6b78ca (diff) | |
download | qpid-python-rajith_jms_client.tar.gz |
Creating a branch for experimenting with some ideas for JMS client.rajith_jms_client
git-svn-id: https://svn.apache.org/repos/asf/qpid/branches/rajith_jms_client@1128369 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'qpid/cpp/src/qpid/framing/SendContent.cpp')
-rw-r--r-- | qpid/cpp/src/qpid/framing/SendContent.cpp | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/qpid/cpp/src/qpid/framing/SendContent.cpp b/qpid/cpp/src/qpid/framing/SendContent.cpp new file mode 100644 index 0000000000..04b60396da --- /dev/null +++ b/qpid/cpp/src/qpid/framing/SendContent.cpp @@ -0,0 +1,66 @@ +/* + * + * 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/framing/SendContent.h" + +qpid::framing::SendContent::SendContent(FrameHandler& h, uint16_t mfs, uint efc) : handler(h), + maxFrameSize(mfs), + expectedFrameCount(efc), frameCount(0) {} + +void qpid::framing::SendContent::operator()(const AMQFrame& f) +{ + bool first = frameCount == 0; + bool last = ++frameCount == expectedFrameCount; + + uint16_t maxContentSize = maxFrameSize - AMQFrame::frameOverhead(); + const AMQContentBody* body(f.castBody<AMQContentBody>()); + if (body->encodedSize() > maxContentSize) { + uint32_t offset = 0; + for (int chunk = body->encodedSize() / maxContentSize; chunk > 0; chunk--) { + sendFragment(*body, offset, maxContentSize, first && offset == 0, last && offset + maxContentSize == body->encodedSize()); + offset += maxContentSize; + } + uint32_t remainder = body->encodedSize() % maxContentSize; + if (remainder) { + sendFragment(*body, offset, remainder, first && offset == 0, last); + } + } else { + AMQFrame copy(f); + setFlags(copy, first, last); + handler.handle(copy); + } +} + +void qpid::framing::SendContent::sendFragment(const AMQContentBody& body, uint32_t offset, uint16_t size, bool first, bool last) const +{ + AMQFrame fragment((AMQContentBody(body.getData().substr(offset, size)))); + setFlags(fragment, first, last); + handler.handle(fragment); +} + +void qpid::framing::SendContent::setFlags(AMQFrame& f, bool first, bool last) const +{ + f.setBof(false); + f.setBos(first); + f.setEof(true);//content is always the last segment + f.setEos(last); +} + |