67 lines
2.4 KiB
Go
67 lines
2.4 KiB
Go
// Copyright (c) 2012 - Cloud Instruments Co., Ltd.
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//
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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package seelog
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import (
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"fmt"
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)
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// A filterDispatcher writes the given message to underlying receivers only if message log level
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// is in the allowed list.
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type filterDispatcher struct {
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*dispatcher
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allowList map[LogLevel]bool
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}
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// NewFilterDispatcher creates a new filterDispatcher using a list of allowed levels.
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func NewFilterDispatcher(formatter *formatter, receivers []interface{}, allowList ...LogLevel) (*filterDispatcher, error) {
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disp, err := createDispatcher(formatter, receivers)
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if err != nil {
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return nil, err
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}
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allows := make(map[LogLevel]bool)
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for _, allowLevel := range allowList {
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allows[allowLevel] = true
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}
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return &filterDispatcher{disp, allows}, nil
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}
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func (filter *filterDispatcher) Dispatch(
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message string,
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level LogLevel,
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context LogContextInterface,
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errorFunc func(err error)) {
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isAllowed, ok := filter.allowList[level]
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if ok && isAllowed {
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filter.dispatcher.Dispatch(message, level, context, errorFunc)
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}
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}
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func (filter *filterDispatcher) String() string {
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return fmt.Sprintf("filterDispatcher ->\n%s", filter.dispatcher)
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}
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