public interface PeerEventListener
Modifier and Type | Method and Description |
---|---|
List<Message> |
getData(Peer peer,
GetDataMessage m)
Called when a peer receives a getdata message, usually in response to an "inv" being broadcast.
|
void |
onBlocksDownloaded(Peer peer,
Block block,
int blocksLeft)
Called on a Peer thread when a block is received.
|
void |
onChainDownloadStarted(Peer peer,
int blocksLeft)
Called when a download is started with the initial number of blocks to be downloaded.
|
void |
onPeerConnected(Peer peer,
int peerCount)
Called when a peer is connected.
|
void |
onPeerDisconnected(Peer peer,
int peerCount)
Called when a peer is disconnected.
|
Message |
onPreMessageReceived(Peer peer,
Message m)
Called when a message is received by a peer, before the message is processed.
|
void |
onTransaction(Peer peer,
Transaction t)
Called when a new transaction is broadcast over the network.
|
void onBlocksDownloaded(Peer peer, Block block, int blocksLeft)
The block may have transactions or may be a header only once getheaders is implemented.
peer
- the peer receiving the blockblock
- the downloaded blockblocksLeft
- the number of blocks left to downloadvoid onChainDownloadStarted(Peer peer, int blocksLeft)
peer
- the peer receiving the blockblocksLeft
- the number of blocks left to downloadvoid onPeerConnected(Peer peer, int peerCount)
Peer
instead of a PeerGroup
,
peerCount will always be 1.peer
- peerCount
- the total number of connected peersvoid onPeerDisconnected(Peer peer, int peerCount)
PeerGroup
and the group is in the process of shutting down. If this listener is registered to a
Peer
instead of a PeerGroup
, peerCount will always be 0.peer
- peerCount
- the total number of connected peersMessage onPreMessageReceived(Peer peer, Message m)
Called when a message is received by a peer, before the message is processed. The returned message is processed instead. Returning null will cause the message to be ignored by the Peer returning the same message object allows you to see the messages received but not change them. The result from one event listeners callback is passed as "m" to the next, forming a chain.
Note that this will never be called if registered with any executor other than
Threading.SAME_THREAD
void onTransaction(Peer peer, Transaction t)
@Nullable List<Message> getData(Peer peer, GetDataMessage m)
Called when a peer receives a getdata message, usually in response to an "inv" being broadcast. Return as many
items as possible which appear in the GetDataMessage
, or null if you're not interested in responding.
Note that this will never be called if registered with any executor other than
Threading.SAME_THREAD
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