swarm/sctx/sctx.go


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package sctx

import "context"

type (
    HTTPRequestIDKey struct{}
    requestHostKey   struct{}
)

func SetHost(ctx context.Context, domain string) context.Context {
    return context.WithValue(ctx, requestHostKey{}, domain)
}

func GetHost(ctx context.Context) string {
    v, ok := ctx.Value(requestHostKey{}).(string)
    if ok {
        return v
    }
    return ""
}