include/osl/pipe.h

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #ifndef INCLUDED_OSL_PIPE_H
  22 #define INCLUDED_OSL_PIPE_H
  23
  24 #include <sal/config.h>
  25
  26 #include <osl/security.h>
  27 #include <rtl/ustring.h>
  28 #include <sal/saldllapi.h>
  29
  30 #ifdef __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 typedef enum {
  35     osl_Pipe_E_None,                /* no error */
  36     osl_Pipe_E_NotFound,            /* Pipe could not be found */
  37     osl_Pipe_E_AlreadyExists,       /* Pipe already exists */
  38     osl_Pipe_E_NoProtocol,          /* Protocol not available */
  39     osl_Pipe_E_NetworkReset,        /* Network dropped connection because of reset */
  40     osl_Pipe_E_ConnectionAbort,     /* Software caused connection abort */
  41     osl_Pipe_E_ConnectionReset,     /* Connection reset by peer */
  42     osl_Pipe_E_NoBufferSpace,       /* No buffer space available */
  43     osl_Pipe_E_TimedOut,            /* Connection timed out */
  44     osl_Pipe_E_ConnectionRefused,   /* Connection refused */
  45     osl_Pipe_E_invalidError,        /* unmapped error: always last entry in enum! */
  46     osl_Pipe_E_FORCE_EQUAL_SIZE = SAL_MAX_ENUM
  47 } oslPipeError;
  48
  49 typedef sal_uInt32 oslPipeOptions;
  50 #define osl_Pipe_OPEN        0x0000     /* open existing pipe */
  51 #define osl_Pipe_CREATE      0x0001     /* create pipe and open it, fails if already exists */
  52
  53 typedef struct oslPipeImpl * oslPipe;
  54
  55 SAL_DLLPUBLIC oslPipe SAL_CALL osl_createPipe(
  56         rtl_uString *strPipeName, oslPipeOptions Options, oslSecurity Security);
  57
  58 /** decreases the refcount of the pipe.
  59     If the refcount drops to zero, the handle is destroyed.
  60  */
  61 SAL_DLLPUBLIC void    SAL_CALL osl_releasePipe( oslPipe );
  62
  63 /** increases the refcount of the pipe.
  64  */
  65 SAL_DLLPUBLIC void    SAL_CALL osl_acquirePipe( oslPipe Pipe );
  66
  67 /** closes the pipe, any read,write or accept actions stop immeadiatly.
  68  */
  69 SAL_DLLPUBLIC void    SAL_CALL osl_closePipe( oslPipe );
  70
  71
  72 SAL_DLLPUBLIC oslPipe SAL_CALL osl_acceptPipe(oslPipe Pipe);
  73
  74 SAL_DLLPUBLIC sal_Int32 SAL_CALL osl_sendPipe(oslPipe Pipe, const void* pBuffer, sal_Int32 BufferSize);
  75 SAL_DLLPUBLIC sal_Int32 SAL_CALL osl_receivePipe(oslPipe Pipe, void* pBuffer, sal_Int32 BufferSize);
  76
  77 /** Reads blocking from the pipe.
  78     @return Number of read bytes. If less than BufferSize, the pipe was closed.
  79  */
  80 SAL_DLLPUBLIC sal_Int32 SAL_CALL osl_readPipe( oslPipe Pipe, void *pBuffer, sal_Int32 BufferSize );
  81
  82 /** Writes blocking onto the pipe.
  83     @return Number of written bytes. If less than BufferSize, the pipe was closed.
  84  */
  85 SAL_DLLPUBLIC sal_Int32 SAL_CALL osl_writePipe( oslPipe Pipe, const void *pBuffer, sal_Int32 BufferSize );
  86
  87 SAL_DLLPUBLIC oslPipeError SAL_CALL osl_getLastPipeError(oslPipe Pipe);
  88
  89 #ifdef __cplusplus
  90 }
  91 #endif
  92
  93 #endif // INCLUDED_OSL_PIPE_H
  94
  95 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */