bfdbb8f260
This commit updates all authorship and copyright information to include a standard header that references the AUTHORS and CREDITS file. This standard header was written by the Debian legal team at the request of Franck Joncourt.
117 lines
3.2 KiB
C
117 lines
3.2 KiB
C
/**
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* @file log_msg.c
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*
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* @brief General logging routine that can write to stderr
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* and can take variable number of args.
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*
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* Fwknop is developed primarily by the people listed in the file 'AUTHORS'.
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* Copyright (C) 2009–2014 fwknop developers and contributors. For a full
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* list of contributors, see the file 'CREDITS'.
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*
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* License (GNU General Public License):
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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
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* GNU 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include "fwknop_common.h"
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#include "log_msg.h"
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#include <stdarg.h>
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#define LOG_STREAM_STDERR stderr /*!< Error and warning messages are redirected to stderr */
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#define LOG_STREAM_STDOUT stdout /*!< Normal, info and debug messages are redirected to stdout */
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typedef struct
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{
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int verbosity; /*!< Verbosity level (LOG_VERBOSITY_DEBUG...*/
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} log_ctx_t;
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static log_ctx_t log_ctx; /*!< Structure to store the context of the module */
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/**
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* Set up the context for the log module.
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*
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* This function only initialize the verbosity level
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*/
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void
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log_new(void)
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{
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log_ctx.verbosity = LOG_DEFAULT_VERBOSITY;
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}
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/**
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* Destroy the context for the log module.
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*
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* This function is not used at the moment since the module does not open file
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* which would require to be closed;
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*/
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void
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log_free(void)
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{
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}
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/**
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* Set the verbosity level for the current context of the log module.
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*
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* @param level verbosity level to set
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*/
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void
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log_set_verbosity(int level)
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{
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log_ctx.verbosity = level;
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}
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/**
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* Log a message
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*
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* This function sends a message to the stream dedicated to the priority
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* set. If the verbosity for the context is higher than the one used for
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* the message, then the message is discarded.
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*
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* @param level Verbosity level to used for the message.
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* @param msg Message to print
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*/
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void
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log_msg(int level, char* msg, ...)
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{
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va_list ap;
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if (level <= log_ctx.verbosity)
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{
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va_start(ap, msg);
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switch (level)
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{
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case LOG_VERBOSITY_ERROR:
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case LOG_VERBOSITY_WARNING:
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vfprintf(LOG_STREAM_STDERR, msg, ap);
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fprintf(LOG_STREAM_STDERR, "\n");
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break;
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case LOG_VERBOSITY_NORMAL:
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case LOG_VERBOSITY_INFO:
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case LOG_VERBOSITY_DEBUG:
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default :
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vfprintf(LOG_STREAM_STDOUT, msg, ap);
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fprintf(LOG_STREAM_STDOUT, "\n");
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break;
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}
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va_end(ap);
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}
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else;
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}
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/***EOF***/
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