127 lines
2.6 KiB
C
127 lines
2.6 KiB
C
/**
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* @file file_logger.c
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*
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* @brief Implementation of file_logger_t.
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*
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*/
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/*
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* Copyright (C) 2006 Martin Willi
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include <stdio.h>
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#include <string.h>
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#include "file_logger.h"
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typedef struct private_file_logger_t private_file_logger_t;
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/**
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* Private data of a file_logger_t object
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*/
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struct private_file_logger_t {
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/**
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* Public data.
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*/
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file_logger_t public;
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/**
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* output file
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*/
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FILE *out;
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/**
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* Maximum level to log
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*/
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level_t levels[DBG_MAX];
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};
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/**
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* Implementation of bus_listener_t.signal.
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*/
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static void signal_(private_file_logger_t *this, signal_t signal, level_t level,
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int thread, ike_sa_t* ike_sa, char *format, va_list args)
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{
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if (level <= this->levels[SIG_TYPE(signal)])
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{
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char buffer[8192];
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char *current = buffer, *next;
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/* write in memory buffer first */
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vsnprintf(buffer, sizeof(buffer), format, args);
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/* prepend a prefix in front of every line */
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while (current)
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{
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next = strchr(current, '\n');
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if (next)
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{
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*(next++) = '\0';
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}
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fprintf(this->out, "%.2d[%N] %s\n", thread, signal_names, signal, current);
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current = next;
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}
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}
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}
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/**
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* Implementation of file_logger_t.set_level.
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*/
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static void set_level(private_file_logger_t *this, signal_t signal, level_t level)
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{
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if (signal == SIG_ANY)
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{
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int i;
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for (i = 0; i < DBG_MAX; i++)
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{
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this->levels[i] = level;
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}
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}
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else
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{
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this->levels[SIG_TYPE(signal)] = level;
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}
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}
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/**
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* Implementation of file_logger_t.destroy.
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*/
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static void destroy(private_file_logger_t *this)
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{
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free(this);
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}
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/*
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* Described in header.
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*/
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file_logger_t *file_logger_create(FILE *out)
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{
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private_file_logger_t *this = malloc_thing(private_file_logger_t);
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/* public functions */
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this->public.listener.signal = (void(*)(bus_listener_t*,signal_t,level_t,int,ike_sa_t*,char*,va_list))signal_;
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this->public.set_level = (void(*)(file_logger_t*,signal_t,level_t))set_level;
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this->public.destroy = (void(*)(file_logger_t*))destroy;
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/* private variables */
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this->out = out;
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set_level(this, SIG_ANY, LEVEL_SILENT);
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return &this->public;
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}
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