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26 lines
604 B
26 lines
604 B
3 years ago
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package selector
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import (
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"context"
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)
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type peerKey struct{}
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// Peer contains the information of the peer for an RPC, such as the address
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// and authentication information.
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type Peer struct {
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// node is the peer node.
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Node Node
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}
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// NewPeerContext creates a new context with peer information attached.
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func NewPeerContext(ctx context.Context, p *Peer) context.Context {
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return context.WithValue(ctx, peerKey{}, p)
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}
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// FromPeerContext returns the peer information in ctx if it exists.
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func FromPeerContext(ctx context.Context) (p *Peer, ok bool) {
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p, ok = ctx.Value(peerKey{}).(*Peer)
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return
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}
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