mirror of
https://github.com/Icinga/icinga2.git
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101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 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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#ifndef STREAM_H
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#define STREAM_H
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#include "base/i2-base.hpp"
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#include "base/object.hpp"
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#include "base/string.hpp"
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namespace icinga
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{
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class String;
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enum ConnectionRole
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{
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RoleClient,
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RoleServer
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};
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struct ReadLineContext
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{
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ReadLineContext(void) : Buffer(NULL), Size(0), Eof(false), MustRead(true)
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{ }
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~ReadLineContext(void)
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{
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free(Buffer);
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}
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char *Buffer;
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size_t Size;
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bool Eof;
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bool MustRead;
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};
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/**
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* A stream.
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*
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* @ingroup base
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*/
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class I2_BASE_API Stream : public Object
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{
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public:
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DECLARE_PTR_TYPEDEFS(Stream);
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/**
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* Reads data from the stream.
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*
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* @param buffer The buffer where data should be stored. May be NULL if you're
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* not actually interested in the data.
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* @param count The number of bytes to read from the queue.
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* @returns The number of bytes actually read.
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*/
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virtual size_t Read(void *buffer, size_t count) = 0;
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/**
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* Writes data to the stream.
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*
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* @param buffer The data that is to be written.
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* @param count The number of bytes to write.
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* @returns The number of bytes written
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*/
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virtual void Write(const void *buffer, size_t count) = 0;
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/**
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* Closes the stream and releases resources.
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*/
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virtual void Close(void) = 0;
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/**
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* Checks whether we've reached the end-of-file condition.
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*
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* @returns true if EOF.
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*/
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virtual bool IsEof(void) const = 0;
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bool ReadLine(String *line, ReadLineContext& context);
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};
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}
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#endif /* STREAM_H */
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