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https://github.com/ipfs/kubo.git
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92d08db7a5
- updated go-ctxgroup and goprocess ctxgroup: AddChildGroup was changed to AddChild. Used in two files: - p2p/net/mock/mock_net.go - routing/dht/dht.go - updated context from hg repo to git prev. commit in hg was ad01a6fcc8a19d3a4478c836895ffe883bd2ceab. (context: make parentCancelCtx iterative) represents commit 84f8955a887232b6308d79c68b8db44f64df455c in git repo - updated context to master (b6fdb7d8a4ccefede406f8fe0f017fb58265054c) Aaron Jacobs (2): net/context: Don't accept a context in the DoSomethingSlow example. context: Be clear that users must cancel the result of WithCancel. Andrew Gerrand (1): go.net: use golang.org/x/... import paths Bryan C. Mills (1): net/context: Don't leak goroutines in Done example. Damien Neil (1): context: fix removal of cancelled timer contexts from parent David Symonds (2): context: Fix WithValue example code. net: add import comments. Sameer Ajmani (1): context: fix TestAllocs to account for ints in interfaces
39 lines
986 B
Go
39 lines
986 B
Go
package eventlog
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import (
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"errors"
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"github.com/jbenet/go-ipfs/Godeps/_workspace/src/golang.org/x/net/context"
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)
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type key int
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const metadataKey key = 0
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// ContextWithLoggable returns a derived context which contains the provided
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// Loggable. Any Events logged with the derived context will include the
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// provided Loggable.
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func ContextWithLoggable(ctx context.Context, l Loggable) context.Context {
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existing, err := MetadataFromContext(ctx)
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if err != nil {
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// context does not contain meta. just set the new metadata
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child := context.WithValue(ctx, metadataKey, Metadata(l.Loggable()))
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return child
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}
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merged := DeepMerge(existing, l.Loggable())
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child := context.WithValue(ctx, metadataKey, merged)
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return child
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}
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func MetadataFromContext(ctx context.Context) (Metadata, error) {
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value := ctx.Value(metadataKey)
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if value != nil {
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metadata, ok := value.(Metadata)
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if ok {
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return metadata, nil
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}
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}
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return nil, errors.New("context contains no metadata")
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}
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