mirror of
https://github.com/Icinga/icinga2.git
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82 lines
3.0 KiB
C++
82 lines
3.0 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "remote/httpchunkedencoding.hpp"
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#include <sstream>
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using namespace icinga;
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StreamReadStatus HttpChunkedEncoding::ReadChunkFromStream(const Stream::Ptr& stream,
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char **data, size_t *size, ChunkReadContext& context, bool may_wait)
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{
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if (context.LengthIndicator == -1) {
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String line;
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StreamReadStatus status = stream->ReadLine(&line, context.StreamContext, may_wait);
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may_wait = false;
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if (status != StatusNewItem)
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return status;
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std::stringstream msgbuf;
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msgbuf << std::hex << line;
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msgbuf >> context.LengthIndicator;
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}
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StreamReadContext& scontext = context.StreamContext;
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if (scontext.Eof)
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return StatusEof;
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if (scontext.MustRead) {
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if (!scontext.FillFromStream(stream, may_wait)) {
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scontext.Eof = true;
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return StatusEof;
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}
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scontext.MustRead = false;
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}
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size_t NewlineLength = context.LengthIndicator ? 2 : 0;
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if (scontext.Size < (size_t)context.LengthIndicator + NewlineLength) {
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scontext.MustRead = true;
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return StatusNeedData;
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}
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*data = new char[context.LengthIndicator];
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*size = context.LengthIndicator;
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memcpy(*data, scontext.Buffer, context.LengthIndicator);
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scontext.DropData(context.LengthIndicator + NewlineLength);
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context.LengthIndicator = -1;
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return StatusNewItem;
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}
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void HttpChunkedEncoding::WriteChunkToStream(const Stream::Ptr& stream, const char *data, size_t count)
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{
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std::ostringstream msgbuf;
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msgbuf << std::hex << count << "\r\n";
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String lengthIndicator = msgbuf.str();
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stream->Write(lengthIndicator.CStr(), lengthIndicator.GetLength());
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stream->Write(data, count);
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if (count > 0)
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stream->Write("\r\n", 2);
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}
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