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Missing synchronization for iterations.

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(over synchronizedMap/synchronizedSet)
This commit is contained in:
Miron Cuperman 2012-07-18 10:48:07 -07:00
parent 831f2d582f
commit 4d58ea5111
1 changed files with 16 additions and 12 deletions
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28
core/src/main/java/com/google/bitcoin/core/PeerGroup.java
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@ -304,7 +304,9 @@ public class PeerGroup {
*/
public synchronized List<Peer> getConnectedPeers() {
ArrayList<Peer> result = new ArrayList<Peer>(peers.size());
result.addAll(peers);
synchronized (peers) {
result.addAll(peers);
}
return result;
}
@ -366,12 +368,14 @@ public class PeerGroup {
FutureTask<Transaction> future = new FutureTask<Transaction>(new Runnable() {
public void run() {
// This is run with the peer group already locked.
for (Peer peer : peers) {
try {
log.info("{}: Sending transaction {}", peer.getAddress(), tx.getHashAsString());
peer.sendMessage(tx);
} catch (IOException e) {
log.warn("Caught IOException whilst sending transaction: {}", e.getMessage());
synchronized (peers) {
for (Peer peer : peers) {
try {
log.info("{}: Sending transaction {}", peer.getAddress(), tx.getHashAsString());
peer.sendMessage(tx);
} catch (IOException e) {
log.warn("Caught IOException whilst sending transaction: {}", e.getMessage());
}
}
}
}
@ -433,9 +437,7 @@ public class PeerGroup {
* {@link PeerEventListener} and use the onPeerConnected/onPeerDisconnected methods.
*/
public synchronized int numConnectedPeers() {
synchronized (peers) {
return peers.size();
}
return peers.size();
}
public synchronized boolean isRunning() {
@ -500,8 +502,10 @@ public class PeerGroup {
synchronized (PeerGroup.this) {
running = false;
shutdownPeerDiscovery();
for (ChannelFuture future : channelFutures.values()) {
future.getChannel().close();
synchronized (channelFutures.values()) {
for (ChannelFuture future : channelFutures.values()) {
future.getChannel().close();
}
}
bootstrap.releaseExternalResources();
}