blob: a194e8c0e0861df2652255bd25f3397f4e92d459 [file] [log] [blame]
#ifndef LOG_H
#define LOG_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
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* Control log messages that are not associated with a transport.
* See pn_transport_trace for transport-related logging.
#include <proton/import_export.h>
#include <proton/type_compat.h>
/** Callback for customized logging. */
typedef void (*pn_logger_t)(const char *message);
/** Enable/disable global logging.
* By default, logging is enabled by envionment variable PN_TRACE_LOG.
* Calling this function overrides the environment setting.
PN_EXTERN void pn_log_enable(bool enabled);
/** Set the logger.
* By default a logger that prints to stderr is installed.
* @param logger is called with each log messsage if logging is enabled.
* Passing 0 disables logging regardless of pn_log_enable() or environment settings.
PN_EXTERN void pn_log_logger(pn_logger_t logger);