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Diffstat (limited to 'cpp/src/qpid/framing/FrameDecoder.cpp')
-rw-r--r-- | cpp/src/qpid/framing/FrameDecoder.cpp | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/cpp/src/qpid/framing/FrameDecoder.cpp b/cpp/src/qpid/framing/FrameDecoder.cpp deleted file mode 100644 index 90cbbd84a1..0000000000 --- a/cpp/src/qpid/framing/FrameDecoder.cpp +++ /dev/null @@ -1,81 +0,0 @@ -/* - * - * 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/FrameDecoder.h" -#include "qpid/framing/Buffer.h" -#include "qpid/log/Statement.h" -#include "qpid/framing/reply_exceptions.h" -#include <algorithm> -#include <string.h> - -namespace qpid { -namespace framing { - -namespace { -/** Append up to n bytes from start of buf to end of bytes. */ -void append(std::vector<char>& bytes, Buffer& buffer, size_t n) { - size_t oldSize = bytes.size(); - if ((n = std::min(n, size_t(buffer.available()))) == 0) - return; - bytes.resize(oldSize+n); - char* p = &bytes[oldSize]; - buffer.getRawData(reinterpret_cast<uint8_t*>(p), n); -} -} - -bool FrameDecoder::decode(Buffer& buffer) { - if (buffer.available() == 0) return false; - if (fragment.empty()) { - if (frame.decode(buffer)) // Decode from buffer - return true; - else // Store fragment - append(fragment, buffer, buffer.available()); - } - else { // Already have a fragment - // Get enough data to decode the frame size. - if (fragment.size() < AMQFrame::DECODE_SIZE_MIN) { - append(fragment, buffer, AMQFrame::DECODE_SIZE_MIN - fragment.size()); - } - if (fragment.size() >= AMQFrame::DECODE_SIZE_MIN) { - uint16_t size = AMQFrame::decodeSize(&fragment[0]); - if (size <= fragment.size()) - throw FramingErrorException(QPID_MSG("Frame size " << size << " is too small.")); - append(fragment, buffer, size-fragment.size()); - Buffer b(&fragment[0], fragment.size()); - if (frame.decode(b)) { - assert(b.available() == 0); - fragment.clear(); - return true; - } - } - } - return false; -} - -void FrameDecoder::setFragment(const char* data, size_t size) { - fragment.resize(size); - ::memcpy(&fragment[0], data, size); -} - -std::pair<const char*, size_t> FrameDecoder::getFragment() const { - return std::pair<const char*, size_t>(&fragment[0], fragment.size()); -} - -}} // namespace qpid::framing |