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/*
* tcpproxy
*
* tcpproxy is a simple tcp connection proxy which combines the
* features of rinetd and 6tunnel. tcpproxy supports IPv4 and
* IPv6 and also supports connections from IPv6 to IPv4
* endpoints and vice versa.
*
*
* Copyright (C) 2010-2013 Christian Pointner <equinox@spreadspace.org>
*
* This file is part of tcpproxy.
*
* tcpproxy is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* tcpproxy is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with tcpproxy. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TCPPROXY_log_h_INCLUDED
#define TCPPROXY_log_h_INCLUDED
#define MSG_LENGTH_MAX 1024
enum log_prio_enum { ERROR = 1, WARNING = 2, NOTICE = 3,
INFO = 4, DEBUG = 5 };
typedef enum log_prio_enum log_prio_t;
const char* log_prio_to_string(log_prio_t prio);
enum log_target_type_enum { TARGET_SYSLOG , TARGET_STDOUT, TARGET_STDERR, TARGET_FILE , TARGET_UNKNOWN };
typedef enum log_target_type_enum log_target_type_t;
struct log_target_struct {
log_target_type_t type_;
int (*init)(struct log_target_struct* self, const char* conf);
void (*open)(struct log_target_struct* self);
void (*log)(struct log_target_struct* self, log_prio_t prio, const char* msg);
void (*close)(struct log_target_struct* self);
void (*clear)(struct log_target_struct* self);
int opened_;
int enabled_;
log_prio_t max_prio_;
void* param_;
struct log_target_struct* next_;
};
typedef struct log_target_struct log_target_t;
struct log_targets_struct {
log_target_t* first_;
};
typedef struct log_targets_struct log_targets_t;
int log_targets_target_exists(log_targets_t* targets, log_target_type_t type);
int log_targets_add(log_targets_t* targets, const char* conf);
void log_targets_log(log_targets_t* targets, log_prio_t prio, const char* msg);
void log_targets_clear(log_targets_t* targets);
struct log_struct {
log_prio_t max_prio_;
log_targets_t targets_;
};
typedef struct log_struct log_t;
void log_init();
void log_close();
void update_max_prio();
int log_add_target(const char* conf);
void log_printf(log_prio_t prio, const char* fmt, ...);
void log_print_hex_dump(log_prio_t prio, const uint8_t* buf, uint32_t len);
#endif
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