e81ccc406b
Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
// Copyright 2019 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package graceful
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import (
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"context"
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"time"
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)
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// ChannelContext is a context that wraps a channel and error as a context
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type ChannelContext struct {
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done <-chan struct{}
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err error
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}
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// NewChannelContext creates a ChannelContext from a channel and error
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func NewChannelContext(done <-chan struct{}, err error) *ChannelContext {
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return &ChannelContext{
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done: done,
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err: err,
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}
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}
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// Deadline returns the time when work done on behalf of this context
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// should be canceled. There is no Deadline for a ChannelContext
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func (ctx *ChannelContext) Deadline() (deadline time.Time, ok bool) {
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return deadline, ok
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}
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// Done returns the channel provided at the creation of this context.
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// When closed, work done on behalf of this context should be canceled.
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func (ctx *ChannelContext) Done() <-chan struct{} {
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return ctx.done
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}
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// Err returns nil, if Done is not closed. If Done is closed,
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// Err returns the error provided at the creation of this context
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func (ctx *ChannelContext) Err() error {
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select {
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case <-ctx.done:
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return ctx.err
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default:
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return nil
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}
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}
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// Value returns nil for all calls as no values are or can be associated with this context
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func (ctx *ChannelContext) Value(key interface{}) interface{} {
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return nil
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}
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// ShutdownContext returns a context.Context that is Done at shutdown
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// Callers using this context should ensure that they are registered as a running server
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// in order that they are waited for.
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func (g *Manager) ShutdownContext() context.Context {
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return g.shutdownCtx
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}
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// HammerContext returns a context.Context that is Done at hammer
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// Callers using this context should ensure that they are registered as a running server
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// in order that they are waited for.
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func (g *Manager) HammerContext() context.Context {
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return g.hammerCtx
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}
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// TerminateContext returns a context.Context that is Done at terminate
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// Callers using this context should ensure that they are registered as a terminating server
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// in order that they are waited for.
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func (g *Manager) TerminateContext() context.Context {
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return g.terminateCtx
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}
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