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749714731e
Signed-off-by: Brady Johnson <brady@voltanet.io> Co-authored-by: Javier Garcia <javier.garcia@voltanet.io> Signed-off-by: Javier Garcia <javier.garcia@voltanet.io>
67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
/*
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* This file is part of the PCEPlib, a PCEP protocol library.
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*
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* Copyright (C) 2020 Volta Networks https://voltanet.io/
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser 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, see <https://www.gnu.org/licenses/>.
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*
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* Author : Brady Johnson <brady@voltanet.io>
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*
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*/
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#ifndef PCEP_UTILS_INCLUDE_PCEP_UTILS_LOGGING_H_
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#define PCEP_UTILS_INCLUDE_PCEP_UTILS_LOGGING_H_
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#include <syslog.h> /* Logging levels */
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#include <stdarg.h> /* va_list */
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#include <stdint.h> /* uint8_t */
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/*
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* The logging defined here i intended to provide the infrastructure to
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* be able to plug-in an external logger, primarily the FRR logger. There
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* will be a default internal logger implemented that will write to stdout,
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* but any other advanced logging features should be implemented externally.
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*/
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/* Only the following logging levels from syslog.h should be used:
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*
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* LOG_DEBUG - For all messages that are enabled by optional debugging
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* features, typically preceded by "if (IS...DEBUG...)"
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* LOG_INFO - Information that may be of interest, but
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* everything seems to be working properly.
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* LOG_NOTICE - Only for message pertaining to daemon startup or shutdown.
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* LOG_WARNING - Warning conditions: unexpected events, but the daemon
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* believes it can continue to operate correctly.
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* LOG_ERR - Error situations indicating malfunctions.
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* Probably requires attention.
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*/
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/* The signature of this logger function is the same as the FRR logger */
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typedef int (*pcep_logger_func)(int, const char *, va_list);
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void register_logger(pcep_logger_func logger);
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/* These functions only take affect when using the internal stdout logger */
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void set_logging_level(int level);
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int get_logging_level(void);
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/* Log messages either to a previously registered
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* logger or to the internal default stdout logger. */
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void pcep_log(int priority, const char *format, ...);
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void pcep_log_hexbytes(int priority, const char *message, const uint8_t *bytes,
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uint8_t bytes_len);
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#endif /* PCEP_UTILS_INCLUDE_PCEP_UTILS_LOGGING_H_ */
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