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/* /////////////////////////////////////////////////////////////////////////
* File: pantheios/backends/bec.syslog.h
*
* Purpose: Declaration of the Pantheios syslog Stock Back-end API.
*
* Created: 23rd July 2005
* Updated: 30th April 2010
*
* Home: http://www.pantheios.org/
*
* Copyright (c) 2005-2010, Matthew Wilson and Synesis Software
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - Neither the name(s) of Matthew Wilson and Synesis Software nor the
* names of any contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* ////////////////////////////////////////////////////////////////////// */
/** \file pantheios/backends/bec.syslog.h
*
* [C, C++] Pantheios SysLog Back-end Common API
*/
#ifndef PANTHEIOS_INCL_PANTHEIOS_BACKENDS_H_SYSLOG_SRC
#define PANTHEIOS_INCL_PANTHEIOS_BACKENDS_H_SYSLOG_SRC
/* /////////////////////////////////////////////////////////////////////////
* Version information
*/
#ifndef PANTHEIOS_DOCUMENTATION_SKIP_SECTION
# define PANTHEIOS_VER_PANTHEIOS_BACKENDS_H_BEC_SYSLOG_MAJOR 3
# define PANTHEIOS_VER_PANTHEIOS_BACKENDS_H_BEC_SYSLOG_MINOR 1
# define PANTHEIOS_VER_PANTHEIOS_BACKENDS_H_BEC_SYSLOG_REVISION 1
# define PANTHEIOS_VER_PANTHEIOS_BACKENDS_H_BEC_SYSLOG_EDIT 22
#endif /* !PANTHEIOS_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////
* Includes
*/
#ifndef PANTHEIOS_INCL_PANTHEIOS_H_PANTHEIOS
# include <pantheios/pantheios.h>
#endif /* !PANTHEIOS_INCL_PANTHEIOS_H_PANTHEIOS */
#ifndef PANTHEIOS_INCL_PANTHEIOS_H_BACKEND
# include <pantheios/backend.h>
#endif /* !PANTHEIOS_INCL_PANTHEIOS_H_BACKEND */
/* /////////////////////////////////////////////////////////////////////////
* Documentation
*/
/** \defgroup group__backend__stock_backends__syslog Pantheios UNIX SysLog Stock Back-end
* \ingroup group__backend__stock_backends
* Back-end library built on top of the UNIX <b>syslog</b> API.
*/
/* /////////////////////////////////////////////////////////////////////////
* Typedefs
*/
/** \defgroup group__backend__stock_backends__syslog__flags Pantheios UNIX syslog Stock Back-end Flags
* \ingroup group__backend__stock_backends__syslog
* Flags for the \ref group__backend__stock_backends__syslog
*
* These flags are passed as the <code>options</code> parameter to the
* SysLog API function <code>openlog()</code> during back-end
* initialisation.
*/
/** \def PANTHEIOS_BE_SYSLOG_F_PERROR
* Causes the \ref group__backend__stock_backends__syslog to
* write to the calling process' standard error, in addition to submitting
* it to SysLog.
* \ingroup group__backend__stock_backends__syslog__flags
*
* Specifying this flag causes the pan_be_syslog_init_t::options member to
* contain the SysLog <code>LOG_PERROR</code> flag.
*
* \note On operating systems on which this non-standard feature is not
* available as part of the Syslog API, this will be provided by a
* distinct call to fprintf(stderr).
*/
#define PANTHEIOS_BE_SYSLOG_F_PERROR (0x00100000)
/** \def PANTHEIOS_BE_SYSLOG_F_CONS
* Causes the \ref group__backend__stock_backends__syslog to
* write any message that fails to be submitted to SysLog to the system
* console.
* \ingroup group__backend__stock_backends__syslog__flags
*
* Specifying this flag causes the pan_be_syslog_init_t::options member to
* contain the SysLog <code>LOG_CONS</code> flag.
*/
#define PANTHEIOS_BE_SYSLOG_F_CONS (0x00200000)
/** \def PANTHEIOS_BE_SYSLOG_F_PID
* Causes the \ref group__backend__stock_backends__syslog to include
* the process Id in the statement.
* \ingroup group__backend__stock_backends__syslog__flags
*
* Specifying this flag causes the pan_be_syslog_init_t::options member to
* contain the SysLog <code>LOG_PID</code> flag.
*/
#define PANTHEIOS_BE_SYSLOG_F_PID (0x00400000)
/** \def PANTHEIOS_BE_SYSLOG_F_NDELAY
* Causes the \ref group__backend__stock_backends__syslog to
* connect to the syslog socket immediately, rather than on the first call
* to <code>syslog()</code>.
* \ingroup group__backend__stock_backends__syslog__flags
*
* Specifying this flag causes the pan_be_syslog_init_t::options member to
* contain the SysLog <code>LOG_NDELAY</code> flag.
*/
#define PANTHEIOS_BE_SYSLOG_F_NDELAY (0x00800000)
/** Structure used for specifying initialisation information to the
* be.syslog library.
* \ingroup group__backend__stock_backends__syslog
*/
struct pan_be_syslog_init_t
{
#if !defined(PANTHEIOS_DOCUMENTATION_SKIP_SECTION) && \
!defined(PANTHEIOS_NO_NAMESPACE)
typedef pantheios::pan_uint8_t pan_uint8_t;
typedef pantheios::pan_uint16_t pan_uint16_t;
typedef pantheios::pan_uint32_t pan_uint32_t;
#endif /* !PANTHEIOS_DOCUMENTATION_SKIP_SECTION && !PANTHEIOS_NO_NAMESPACE */
pan_uint32_t version; /*!< Must be initialised to the value of PANTHEIOS_VER */
pan_uint32_t flags; /*!< \ref group__backend__stock_backends__syslog__flags "Flags" that control the information displayed. */
pan_uint32_t options; /*!< Options passed to <code>openlog()</code>. Will be overridden by \link pan_be_syslog_init_t::flags flags\endlink. */
pan_uint8_t facility; /*!< The facility used by the process. Must be <= 124. Defaults to LOG_USER */
#ifdef __cplusplus
public: /* Construction */
# ifndef PANTHEIOS_BE_INIT_NO_CPP_STRUCT_INIT
pan_be_syslog_init_t();
# endif /* !PANTHEIOS_BE_INIT_NO_CPP_STRUCT_INIT */
#endif /* __cplusplus */
};
#if !defined(__cplusplus)
typedef struct pan_be_syslog_init_t pan_be_syslog_init_t;
#endif /* !__cplusplus */
/* /////////////////////////////////////////////////////////////////////////
* Application-defined functions
*/
/** \ref page__backend__callbacks "Callback" function defined by
* the application, invoked when the
* API is initialised with a NULL <code>init</code> parameter.
* \ingroup group__backend__stock_backends__syslog
*
* \note This function is only required when the
* \ref page__backend__callbacks "callback" version of the library is
* used.
*/
PANTHEIOS_CALL(void) pantheios_be_syslog_getAppInit(
int backEndId
, pan_be_syslog_init_t* init
) /* throw() */;
/* /////////////////////////////////////////////////////////////////////////
* API
*/
/** Fills out a copy of the initialisation structure with default
* values (representative of the default behaviour of the library),
* ready to be customised and passed to the API initialiser function
* pantheios_be_syslog_init().
* \ingroup group__backend__stock_backends__syslog
*
* \note This function should <b>not</b> be called on an
* already-initialised instance, as is the case in the implementation
* of the pantheios_be_syslog_getAppInit() function, as it will
* already have been called by pantheios_be_syslog_init() prior
* to the callback.
*/
PANTHEIOS_CALL(void) pantheios_be_syslog_getDefaultAppInit(
pan_be_syslog_init_t* init
) /* throw() */;
/** Implements the functionality for pantheios_be_init() over the UNIX SysLog API.
* \ingroup group__backend__stock_backends__syslog
*/
PANTHEIOS_CALL(int) pantheios_be_syslog_init(
PAN_CHAR_T const* processIdentity
, int id
, pan_be_syslog_init_t const* init
, void* reserved
, void** ptoken
);
/** Implements the functionality for pantheios_be_uninit() over the UNIX SysLog API.
* \ingroup group__backend__stock_backends__syslog
*/
PANTHEIOS_CALL(void) pantheios_be_syslog_uninit(
void* token
);
/** Implements the functionality for pantheios_be_logEntry() over the UNIX SysLog API.
* \ingroup group__backend__stock_backends__syslog
*/
PANTHEIOS_CALL(int) pantheios_be_syslog_logEntry(
void* feToken
, void* beToken
, int severity
, PAN_CHAR_T const* entry
, size_t cchEntry
);
/** Parses the be.syslog back-end flags
*
* \ingroup group__backend
*
* Processes an argument list in the same way as
* pantheios_be_parseStockArgs(), filling out the
* pan_be_COMErrorObject_init_t in accordance with the arguments
* found.
*
* Recognises the following standard argument names:
* - "showProcessId" (Boolean)
* - "showTime" (Boolean)
* - "showSeverity" (Boolean)
* - "useSystemTime" (Boolean)
* - "showDetailsAtStart" (Boolean)
* - "useUnixFormat" (Boolean)
* - "showDate" (Boolean)
* - "showTime" (Boolean)
* - "highResolution" (Boolean)
* - "lowResolution" (Boolean)
*
* Recognises the following back-end specific argument names:
* - "useStderr" (Boolean)
* - "useConsole" (Boolean)
* - "showPid" (Boolean)
* - "connectImmediately" (Boolean)
*/
PANTHEIOS_CALL(int) pantheios_be_syslog_parseArgs(
size_t numArgs
#ifdef PANTHEIOS_NO_NAMESPACE
, struct pan_slice_t* const args
#else /* ? PANTHEIOS_NO_NAMESPACE */
, pantheios::pan_slice_t* const args
#endif /* PANTHEIOS_NO_NAMESPACE */
, pan_be_syslog_init_t* init
);
/* ////////////////////////////////////////////////////////////////////// */
#ifdef __cplusplus
# ifndef PANTHEIOS_BE_INIT_NO_CPP_STRUCT_INIT
inline pan_be_syslog_init_t::pan_be_syslog_init_t()
{
pantheios_be_syslog_getDefaultAppInit(this);
}
# endif /* !PANTHEIOS_BE_INIT_NO_CPP_STRUCT_INIT */
#endif /* __cplusplus */
/* ////////////////////////////////////////////////////////////////////// */
#endif /* PANTHEIOS_INCL_PANTHEIOS_BACKENDS_H_SYSLOG_SRC */
/* ///////////////////////////// end of file //////////////////////////// */