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Diffstat (limited to 'include/osl/pipe_decl.hxx')
-rw-r--r-- | include/osl/pipe_decl.hxx | 229 |
1 files changed, 229 insertions, 0 deletions
diff --git a/include/osl/pipe_decl.hxx b/include/osl/pipe_decl.hxx new file mode 100644 index 000000000000..21e07952b7ff --- /dev/null +++ b/include/osl/pipe_decl.hxx @@ -0,0 +1,229 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ +#ifndef _OSL_PIPE_DECL_HXX_ +#define _OSL_PIPE_DECL_HXX_ + +#include <osl/pipe.h> +# include <osl/security.hxx> +#include <rtl/ustring.hxx> + +namespace osl { + +class StreamPipe; + +/** Represents a pipe. +*/ +class Pipe +{ +protected: + oslPipe m_handle; + +public: + + /** Does not create a pipe. Use assignment operator to + make this a useable pipe. + */ + inline Pipe(); + + /** Creates an insecure pipe that is accessible for all users. + @param strName + @param Options + */ + inline Pipe(const ::rtl::OUString& strName, oslPipeOptions Options); + + /** Creates a secure pipe that access depends on the umask settings. + @param strName + @param Options + @param rSecurity + */ + inline Pipe(const ::rtl::OUString& strName, oslPipeOptions Options,const Security & rSecurity); + + /** Copy constructor. + */ + inline Pipe(const Pipe& pipe); + + /** Constructs a Pipe reference without acquiring the handle + */ + inline Pipe( oslPipe pipe, __sal_NoAcquire noacquire ); + + /** Creates pipe as wrapper around the underlying oslPipe. + @param Pipe + */ + inline Pipe(oslPipe Pipe); + + /** Destructor. Destroys the underlying oslPipe. + */ + inline ~Pipe(); + + inline sal_Bool SAL_CALL is() const; + + /** Creates an insecure pipe that is accessible for all users + with the given attributes. + If the pipe was already created, the old one will be discarded. + @param strName + @param Options + @param rSec + @return True if socket was successfully created. + */ + inline sal_Bool create( const ::rtl::OUString & strName, + oslPipeOptions Options, const Security &rSec ); + + /** Creates a secure that access rights depend on the umask settings + with the given attributes. + + If socket was already created, the old one will be discarded. + @param strName + @param Options + @return True if socket was successfully created. + */ + inline sal_Bool create( const ::rtl::OUString & strName, oslPipeOptions Options = osl_Pipe_OPEN ); + + /** releases the underlying handle + */ + inline void SAL_CALL clear(); + + /** Assignment operator. If pipe was already created, the old one will + be discarded. + */ + inline Pipe& SAL_CALL operator= (const Pipe& pipe); + + /** Assignment operator. If pipe was already created, the old one will + be discarded. + */ + inline Pipe& SAL_CALL operator= (const oslPipe pipe ); + + /** Checks if the pipe is valid. + @return True if the object represents a valid pipe. + */ + inline sal_Bool SAL_CALL isValid() const; + + inline sal_Bool SAL_CALL operator==( const Pipe& rPipe ) const; + + /** Closes the pipe. + */ + inline void SAL_CALL close(); + + /** Accept connection on an existing pipe + */ + inline oslPipeError SAL_CALL accept(StreamPipe& Connection); + + + /** Delivers a constant decribing the last error for the pipe system. + @return ENONE if no error occurred, invalid_PipeError if + an unknown (unmapped) error occurred, otherwise an enum describing the + error. + */ + inline oslPipeError SAL_CALL getError() const; + + inline oslPipe SAL_CALL getHandle() const; +}; + +/** A pipe to send or receive a stream of data. +*/ +class StreamPipe : public Pipe +{ +public: + + /** Creates an unattached pipe. You must attach the pipe to an oslPipe + e.g. by using the operator=(oslPipe), before you can use the stream- + functionality of the object. + */ + inline StreamPipe(); + + /** Creates pipe as wrapper around the underlying oslPipe. + @param Pipe + */ + inline StreamPipe(oslPipe Pipe); + + /** Copy constructor. + @param Pipe + */ + inline StreamPipe(const StreamPipe& Pipe); + + /** Creates a pipe. + @param strName + @param Options + */ + inline StreamPipe(const ::rtl::OUString& strName, oslPipeOptions Options = osl_Pipe_OPEN); + + /** Creates a pipe. + @param strName + @param Options + @param rSec + */ + inline StreamPipe(const ::rtl::OUString& strName, oslPipeOptions Options, const Security &rSec ); + + /** Constructs a Pipe reference without acquiring the handle + */ + inline StreamPipe( oslPipe pipe, __sal_NoAcquire noacquire ); + + /** Attaches the oslPipe to this object. If the object + already was attached to an oslPipe, the old one will + be closed and destroyed. + @param Pipe + */ + inline StreamPipe & SAL_CALL operator=(oslPipe Pipe); + + /** Assignment operator + */ + inline StreamPipe& SAL_CALL operator=(const Pipe& pipe); + + /** Tries to receives BytesToRead data from the connected pipe, + + @param pBuffer [out] Points to a buffer that will be filled with the received + data. + @param BytesToRead [in] The number of bytes to read. pBuffer must have at least + this size. + @return the number of received bytes. + */ + inline sal_Int32 SAL_CALL recv(void* pBuffer, sal_Int32 BytesToRead) const; + + /** Tries to sends BytesToSend data from the connected pipe. + + @param pBuffer [in] Points to a buffer that contains the send-data. + @param BytesToSend [in] The number of bytes to send. pBuffer must have at least + this size. + @return the number of transfered bytes. + */ + inline sal_Int32 SAL_CALL send(const void* pBuffer, sal_Int32 BytesToSend) const; + + /** Retrieves n bytes from the stream and copies them into pBuffer. + The method avoids incomplete reads due to packet boundaries. + @param pBuffer receives the read data. + @param n the number of bytes to read. pBuffer must be large enough + to hold the n bytes! + @return the number of read bytes. The number will only be smaller than + n if an exceptional condition (e.g. connection closed) occurs. + */ + inline sal_Int32 SAL_CALL read(void* pBuffer, sal_Int32 n) const; + + /** Writes n bytes from pBuffer to the stream. The method avoids + incomplete writes due to packet boundaries. + @param pBuffer contains the data to be written. + @param n the number of bytes to write. + @return the number of written bytes. The number will only be smaller than + n if an exceptional condition (e.g. connection closed) occurs. + */ + sal_Int32 SAL_CALL write(const void* pBuffer, sal_Int32 n) const; +}; + +} +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |