Ilia Denisov
25 lines
783 B
Go
25 lines
783 B
Go
// Package replay defines the authenticated replay-reservation contract used by
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// the gateway transport pipeline.
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package replay
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import (
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"context"
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"errors"
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"time"
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)
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var (
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// ErrDuplicate reports that the request identifier has already been
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// reserved for the same device session within the active replay window.
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ErrDuplicate = errors.New("replay reservation already exists")
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)
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// Store reserves authenticated transport request identifiers for a bounded
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// replay window.
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type Store interface {
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// Reserve marks the deviceSessionID and requestID pair as seen for ttl.
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// Implementations must wrap ErrDuplicate when the same pair is reserved
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// again before ttl expires.
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Reserve(ctx context.Context, deviceSessionID string, requestID string, ttl time.Duration) error
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}
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