mirror of
https://github.com/Icinga/icinga2.git
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78 lines
2.6 KiB
C++
78 lines
2.6 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012 Icinga Development Team (http://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 "base/stream.h"
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#include "base/objectlock.h"
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#include "base/utility.h"
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#include <boost/algorithm/string/trim.hpp>
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using namespace icinga;
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bool Stream::ReadLine(String *line, ReadLineContext& context)
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{
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if (context.Eof)
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return false;
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for (;;) {
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if (context.MustRead) {
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context.Buffer = (char *)realloc(context.Buffer, context.Size + 4096);
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if (!context.Buffer)
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throw std::bad_alloc();
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size_t rc = Read(context.Buffer + context.Size, 4096);
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if (rc == 0) {
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*line = String(context.Buffer, &(context.Buffer[context.Size]));
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boost::algorithm::trim_right(*line);
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context.Eof = true;
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return true;
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}
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context.Size += rc;
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}
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int count = 0;
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size_t first_newline;
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for (size_t i = 0; i < context.Size; i++) {
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if (context.Buffer[i] == '\n') {
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count++;
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if (count == 1)
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first_newline = i;
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}
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}
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context.MustRead = (count <= 1);
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if (count > 0) {
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*line = String(context.Buffer, &(context.Buffer[first_newline]));
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boost::algorithm::trim_right(*line);
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memmove(context.Buffer, context.Buffer + first_newline + 1, context.Size - first_newline - 1);
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context.Size -= first_newline + 1;
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return true;
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}
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}
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}
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