116 lines
4.0 KiB
C
116 lines
4.0 KiB
C
/****************************************************************************
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* drivers/syslog/syslog_initialize.c
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*
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* Copyright (C) 2016 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdio.h>
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#include <nuttx/syslog/ramlog.h>
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#include <nuttx/syslog/syslog.h>
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#include "syslog.h"
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#ifndef CONFIG_ARCH_SYSLOG
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: syslog_initialize
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*
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* Description:
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* One power up, the SYSLOG facility is non-existent or limited to very
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* low-level output. This function is called later in the initialization
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* sequence after full driver support has been initialized. It installs
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* the configured SYSLOG drivers and enables full SYSLOGing capability.
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*
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* This function performs these basic operations:
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*
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* - Initialize the SYSLOG device
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* - Call syslog_channel() to begin using that device.
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*
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* If CONFIG_ARCH_SYSLOG is selected, then the architecture-specifica
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* logic will provide its own SYSLOG device initialize which must include
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* as a minimum a call to syslog_channel() to use the device.
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*
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* Input Parameters:
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* phase - One of {SYSLOG_INIT_EARLY, SYSLOG_INIT_LATE}
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*
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* Returned Value:
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* Zero (OK) is returned on success; a negated errno value is returned on
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* any failure.
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*
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****************************************************************************/
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int syslog_initialize(enum syslog_init_e phase)
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{
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int ret = OK;
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#if defined(CONFIG_SYSLOG_CHAR)
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if (phase == SYSLOG_INIT_LATE)
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{
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/* Enable use of a character device as the SYSLOG device */
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ret = syslog_dev_channel();
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}
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#elif defined(CONFIG_RAMLOG_SYSLOG)
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if (phase == SYSLOG_INIT_EARLY)
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{
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/* Use the RAMLOG as the SYSLOG device */
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ret = ramlog_syslog_channel();
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}
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#elif defined(CONFIG_SYSLOG_CONSOLE)
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if (phase == SYSLOG_INIT_LATE)
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{
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/* Use the console device as the SYSLOG device */
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ret = syslog_console_channel();
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}
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#endif
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return ret;
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}
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#endif /* CONFIG_ARCH_SYSLOG */
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