mirror of
https://github.com/openvswitch/ovs
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51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
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/*
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* Copyright (c) 2015 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SYSLOG_PROVIDER_H
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#define SYSLOG_PROVIDER_H 1
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/* Open vSwitch interface to syslog daemon's interface.
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*
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* 'syslogger' is the base class that provides abstraction. */
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struct syslogger {
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const struct syslog_class *class; /* Virtual functions for concrete
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* syslogger implementations. */
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const char *prefix; /* Prefix that is enforced by concrete
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* syslogger implementation. Used
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* in vlog/list-pattern function. */
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};
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/* Each concrete syslogger implementation must define it's own table with
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* following functions. These functions must never call any other VLOG_
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* function to prevent deadlocks. */
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struct syslog_class {
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/* openlog() function should be called before syslog() function. It
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* should initialize all system resources needed to perform logging. */
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void (*openlog)(struct syslogger *this, int facility);
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/* syslog() function sends message 'msg' to syslog daemon. */
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void (*syslog)(struct syslogger *this, int pri, const char *msg);
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};
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static inline const char *
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syslog_get_prefix(struct syslogger *this)
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{
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return this->prefix;
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}
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#endif /* syslog-provider.h */
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