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49 lines
1.2 KiB
Go
49 lines
1.2 KiB
Go
package iface
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import (
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"context"
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"io"
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options "github.com/ipfs/go-ipfs/core/coreapi/interface/options"
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peer "gx/ipfs/QmbNepETomvmXfz1X5pHNFD2QuPqnqi47dTd94QJWSorQ3/go-libp2p-peer"
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)
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// PubSubSubscription is an active PubSub subscription
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type PubSubSubscription interface {
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io.Closer
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// Next return the next incoming message
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Next(context.Context) (PubSubMessage, error)
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}
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// PubSubMessage is a single PubSub message
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type PubSubMessage interface {
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// From returns id of a peer from which the message has arrived
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From() peer.ID
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// Data returns the message body
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Data() []byte
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// Seq returns message identifier
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Seq() []byte
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// Topics returns list of topics this message was set to
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Topics() []string
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}
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// PubSubAPI specifies the interface to PubSub
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type PubSubAPI interface {
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// Ls lists subscribed topics by name
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Ls(context.Context) ([]string, error)
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// Peers list peers we are currently pubsubbing with
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Peers(context.Context, ...options.PubSubPeersOption) ([]peer.ID, error)
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// Publish a message to a given pubsub topic
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Publish(context.Context, string, []byte) error
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// Subscribe to messages on a given topic
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Subscribe(context.Context, string, ...options.PubSubSubscribeOption) (PubSubSubscription, error)
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}
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