70 lines
2.2 KiB
Go
70 lines
2.2 KiB
Go
// Copyright (c) 2015 Uber Technologies, Inc.
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package tchannel
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import (
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"fmt"
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"sync"
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)
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// channelMap is used to ensure that applications don't create multiple channels with
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// the same service name in a single process.
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var channelMap = struct {
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sync.Mutex
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existing map[string][]*Channel
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}{
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existing: make(map[string][]*Channel),
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}
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func registerNewChannel(ch *Channel) {
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serviceName := ch.ServiceName()
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ch.createdStack = string(getStacks(false /* all */))
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ch.log.WithFields(
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LogField{"channelPtr", fmt.Sprintf("%p", ch)},
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LogField{"createdStack", ch.createdStack},
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).Info("Created new channel.")
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channelMap.Lock()
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defer channelMap.Unlock()
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existing := channelMap.existing[serviceName]
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channelMap.existing[serviceName] = append(existing, ch)
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}
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func removeClosedChannel(ch *Channel) {
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channelMap.Lock()
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defer channelMap.Unlock()
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channels := channelMap.existing[ch.ServiceName()]
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for i, v := range channels {
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if v != ch {
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continue
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}
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// Replace current index with the last element, and truncate channels.
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channels[i] = channels[len(channels)-1]
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channels = channels[:len(channels)-1]
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break
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}
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channelMap.existing[ch.ServiceName()] = channels
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}
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