Qpid Proton C  0.38.0
logger.h
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1 #ifndef LOGGER_H
2 #define LOGGER_H
3 /*
4  * Licensed to the Apache Software Foundation (ASF) under one
5  * or more contributor license agreements. See the NOTICE file
6  * distributed with this work for additional information
7  * regarding copyright ownership. The ASF licenses this file
8  * to you under the Apache License, Version 2.0 (the
9  * "License"); you may not use this file except in compliance
10  * with the License. You may obtain a copy of the License at
11  *
12  * http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing,
15  * software distributed under the License is distributed on an
16  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17  * KIND, either express or implied. See the License for the
18  * specific language governing permissions and limitations
19  * under the License.
20  */
21 
31 #include <proton/import_export.h>
32 
33 #include <stdarg.h>
34 #include <stdint.h>
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
85 typedef struct pn_logger_t pn_logger_t;
86 
92 typedef enum pn_log_subsystem_t {
102 } pn_log_subsystem_t; /* We hint to the compiler it can use 16 bits for this value */
103 
109 typedef enum pn_log_level_t {
118  PN_LEVEL_RAW = 128,
119  PN_LEVEL_ALL = 65535
120 } pn_log_level_t; /* We hint to the compiler that it can use 16 bits for this value */
121 
125 typedef void (*pn_log_sink_t)(intptr_t sink_context, pn_log_subsystem_t subsystem, pn_log_level_t severity, const char *message);
126 
132 PN_EXTERN pn_logger_t *pn_default_logger(void);
133 
140 PN_EXTERN const char *pn_logger_level_name(pn_log_level_t level);
141 
148 PN_EXTERN const char *pn_logger_subsystem_name(pn_log_subsystem_t subsystem);
149 
170 PN_EXTERN void pn_logger_set_mask(pn_logger_t *logger, uint16_t subsystem, uint16_t level);
171 
192 PN_EXTERN void pn_logger_reset_mask(pn_logger_t *logger, uint16_t subsystem, uint16_t level);
193 
205 PN_EXTERN void pn_logger_set_log_sink(pn_logger_t *logger, pn_log_sink_t sink, intptr_t sink_context);
206 
214 
221 PN_EXTERN intptr_t pn_logger_get_log_sink_context(pn_logger_t *logger);
222 
234 PN_EXTERN void pn_logger_logf(pn_logger_t *logger, pn_log_subsystem_t subsystem, pn_log_level_t level, const char *fmt, ...);
235 
236 #ifdef __cplusplus
237 }
238 #endif
239 
244 #endif
const char * pn_logger_level_name(pn_log_level_t level)
Get a human readable name for a logger severity.
struct pn_logger_t pn_logger_t
The logger object allows library logging to be controlled.
Definition: logger.h:85
Memory usage.
Definition: logger.h:94
void pn_logger_reset_mask(pn_logger_t *logger, uint16_t subsystem, uint16_t level)
Clear a logger&#39;s tracing flags.
void pn_logger_logf(pn_logger_t *logger, pn_log_subsystem_t subsystem, pn_log_level_t level, const char *fmt,...)
Log a printf formatted message using the logger.
pn_log_level_t
Definitions for different severities of log messages Note that these are exclusive bits so that you c...
Definition: logger.h:109
pn_logger_t * pn_default_logger(void)
Return the default library logger.
void pn_logger_set_mask(pn_logger_t *logger, uint16_t subsystem, uint16_t level)
Set a logger&#39;s tracing flags.
Every possible level.
Definition: logger.h:119
SASL protocol processing.
Definition: logger.h:99
Something went wrong.
Definition: logger.h:112
No subsystem.
Definition: logger.h:93
Language binding.
Definition: logger.h:100
TLS/SSL protocol processing.
Definition: logger.h:98
void pn_logger_set_log_sink(pn_logger_t *logger, pn_log_sink_t sink, intptr_t sink_context)
Set the tracing function used by a logger.
No level.
Definition: logger.h:110
intptr_t pn_logger_get_log_sink_context(pn_logger_t *logger)
Get the sink context used by a logger.
Protocol frame traces.
Definition: logger.h:117
pn_log_sink_t pn_logger_get_log_sink(pn_logger_t *logger)
Get the tracing function used by a logger.
Something unusual happened but not necessarily an error.
Definition: logger.h:113
pn_log_subsystem_t
Definitions for different subsystems that can log messages.
Definition: logger.h:92
Something that might be interesting happened.
Definition: logger.h:114
Events.
Definition: logger.h:96
Low level Input/Output.
Definition: logger.h:95
const char * pn_logger_subsystem_name(pn_log_subsystem_t subsystem)
Get a human readable name for a logger subsystem.
void(* pn_log_sink_t)(intptr_t sink_context, pn_log_subsystem_t subsystem, pn_log_level_t severity, const char *message)
Callback for sinking logger messages.
Definition: logger.h:125
Something is wrong and can&#39;t be fixed - probably a library bug.
Definition: logger.h:111
Raw protocol bytes.
Definition: logger.h:118
Something you might want to know about happened.
Definition: logger.h:115
Detail about something that happened.
Definition: logger.h:116
AMQP protocol processing.
Definition: logger.h:97
Every subsystem.
Definition: logger.h:101