/*
* Copyright (c) [2016] [ <ether.camp> ]
* This file is part of the ethereumJ library.
*
* The ethereumJ library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The ethereumJ library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the ethereumJ library. If not, see <http://www.gnu.org/licenses/>.
*/
package org.ethereum.listener;
import org.ethereum.core.*;
import org.ethereum.net.eth.message.StatusMessage;
import org.ethereum.net.message.Message;
import org.ethereum.net.p2p.HelloMessage;
import org.ethereum.net.rlpx.Node;
import org.ethereum.net.server.Channel;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.util.List;
import java.util.concurrent.CopyOnWriteArrayList;
/**
* @author Roman Mandeleil
* @since 12.11.2014
*/
@Component(value = "EthereumListener")
public class CompositeEthereumListener implements EthereumListener {
private static abstract class RunnableInfo implements Runnable {
private EthereumListener listener;
private String info;
public RunnableInfo(EthereumListener listener, String info) {
this.listener = listener;
this.info = info;
}
@Override
public String toString() {
return "RunnableInfo: " + info + " [listener: " + listener.getClass() + "]";
}
}
@Autowired
EventDispatchThread eventDispatchThread = EventDispatchThread.getDefault();
List<EthereumListener> listeners = new CopyOnWriteArrayList<>();
public void addListener(EthereumListener listener) {
listeners.add(listener);
}
public void removeListener(EthereumListener listener) {
listeners.remove(listener);
}
@Override
public void trace(final String output) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "trace") {
@Override
public void run() {
listener.trace(output);
}
});
}
}
@Override
public void onBlock(final BlockSummary blockSummary) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onBlock") {
@Override
public void run() {
listener.onBlock(blockSummary);
}
});
}
}
@Override
public void onRecvMessage(final Channel channel, final Message message) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onRecvMessage") {
@Override
public void run() {
listener.onRecvMessage(channel, message);
}
});
}
}
@Override
public void onSendMessage(final Channel channel, final Message message) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onSendMessage") {
@Override
public void run() {
listener.onSendMessage(channel, message);
}
});
}
}
@Override
public void onPeerDisconnect(final String host, final long port) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onPeerDisconnect") {
@Override
public void run() {
listener.onPeerDisconnect(host, port);
}
});
}
}
@Override
public void onPendingTransactionsReceived(final List<Transaction> transactions) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onPendingTransactionsReceived") {
@Override
public void run() {
listener.onPendingTransactionsReceived(transactions);
}
});
}
}
@Override
public void onPendingStateChanged(final PendingState pendingState) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onPendingStateChanged") {
@Override
public void run() {
listener.onPendingStateChanged(pendingState);
}
});
}
}
@Override
public void onSyncDone(final SyncState state) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onSyncDone") {
@Override
public void run() {
listener.onSyncDone(state);
}
});
}
}
@Override
public void onNoConnections() {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onNoConnections") {
@Override
public void run() {
listener.onNoConnections();
}
});
}
}
@Override
public void onHandShakePeer(final Channel channel, final HelloMessage helloMessage) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onHandShakePeer") {
@Override
public void run() {
listener.onHandShakePeer(channel, helloMessage);
}
});
}
}
@Override
public void onVMTraceCreated(final String transactionHash, final String trace) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onVMTraceCreated") {
@Override
public void run() {
listener.onVMTraceCreated(transactionHash, trace);
}
});
}
}
@Override
public void onNodeDiscovered(final Node node) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onNodeDiscovered") {
@Override
public void run() {
listener.onNodeDiscovered(node);
}
});
}
}
@Override
public void onEthStatusUpdated(final Channel channel, final StatusMessage status) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onEthStatusUpdated") {
@Override
public void run() {
listener.onEthStatusUpdated(channel, status);
}
});
}
}
@Override
public void onTransactionExecuted(final TransactionExecutionSummary summary) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onTransactionExecuted") {
@Override
public void run() {
listener.onTransactionExecuted(summary);
}
});
}
}
@Override
public void onPeerAddedToSyncPool(final Channel peer) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onPeerAddedToSyncPool") {
@Override
public void run() {
listener.onPeerAddedToSyncPool(peer);
}
});
}
}
@Override
public void onPendingTransactionUpdate(final TransactionReceipt txReceipt, final PendingTransactionState state,
final Block block) {
for (final EthereumListener listener : listeners) {
eventDispatchThread.invokeLater(new RunnableInfo(listener, "onPendingTransactionUpdate") {
@Override
public void run() {
listener.onPendingTransactionUpdate(txReceipt, state, block);
}
});
}
}
}