logger.h

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#ifndef LOGGER_H
#define LOGGER_H
/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
 
#include <proton/annotations.h>
#include <proton/import_export.h>
 
#include <stdarg.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct pn_logger_t pn_logger_t;
 
typedef enum pn_log_subsystem_t {
    PN_SUBSYSTEM_NONE    = 0,    
    PN_SUBSYSTEM_MEMORY  = 1,    
    PN_SUBSYSTEM_IO      = 2,    
    PN_SUBSYSTEM_EVENT   = 4,    
    PN_SUBSYSTEM_AMQP    = 8,    
    PN_SUBSYSTEM_SSL     = 16,   
    PN_SUBSYSTEM_SASL    = 32,   
    PN_SUBSYSTEM_BINDING = 64,   
    PN_SUBSYSTEM_ALL     = 65535 
} pn_log_subsystem_t; /* We hint to the compiler it can use 16 bits for this value */
 
typedef enum pn_log_level_t {
    PN_LEVEL_NONE     = 0,    
    PN_LEVEL_CRITICAL = 1,    
    PN_LEVEL_ERROR    = 2,    
    PN_LEVEL_WARNING  = 4,    
    PN_LEVEL_INFO     = 8,    
    PN_LEVEL_DEBUG    = 16,   
    PN_LEVEL_TRACE    = 32,   
    PN_LEVEL_FRAME    = 64,   
    PN_LEVEL_RAW      = 128,  
    PN_LEVEL_ALL      = 65535 
} pn_log_level_t; /* We hint to the compiler that it can use 16 bits for this value */
 
typedef void (*pn_log_sink_t)(intptr_t sink_context, pn_log_subsystem_t subsystem, pn_log_level_t severity, const char *message);
 
PN_EXTERN pn_logger_t *pn_default_logger(void);
 
PN_EXTERN const char *pn_logger_level_name(pn_log_level_t level);
 
PN_EXTERN const char *pn_logger_subsystem_name(pn_log_subsystem_t subsystem);
 
PN_EXTERN void pn_logger_set_mask(pn_logger_t *logger, uint16_t subsystem, uint16_t level);
 
PN_EXTERN void pn_logger_reset_mask(pn_logger_t *logger, uint16_t subsystem, uint16_t level);
 
PN_EXTERN void pn_logger_set_log_sink(pn_logger_t *logger, pn_log_sink_t sink, intptr_t sink_context);
 
PN_EXTERN pn_log_sink_t pn_logger_get_log_sink(pn_logger_t *logger);
 
PN_EXTERN intptr_t pn_logger_get_log_sink_context(pn_logger_t *logger);
 
PN_EXTERN void pn_logger_logf(pn_logger_t *logger, pn_log_subsystem_t subsystem, pn_log_level_t level, PN_PRINTF_FORMAT const char *fmt, ...)
        PN_PRINTF_FORMAT_ATTR(4, 5);
 
#ifdef __cplusplus
}
#endif
 
#endif