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