public synchronized void unfreeze(String host, int port) {
InetSocketAddress addr = new InetSocketAddress(host, port);
for (SubscribesConnectionEntry connectionEntry : clients.values()) {
if (!connectionEntry.getClient().getAddr().equals(addr)) {
continue;
}
connectionEntry.setFreezed(false);
clientsEmpty.open();
return;
}
throw new IllegalStateException("Can't find " + addr + " in slaves!");
}
public synchronized Collection<RedisPubSubConnection> freeze(String host, int port) {
InetSocketAddress addr = new InetSocketAddress(host, port);
for (SubscribesConnectionEntry connectionEntry : clients.values()) {
if (connectionEntry.isFreezed() || !connectionEntry.getClient().getAddr().equals(addr)) {
continue;
}
log.debug("{} freezed", addr);
connectionEntry.setFreezed(true);
// close all connections
while (true) {
RedisConnection connection = connectionEntry.getConnections().poll();
if (connection == null) {
break;
}
connection.closeAsync();
}
// close all pub/sub connections
while (true) {
RedisPubSubConnection connection = connectionEntry.pollFreeSubscribeConnection();
if (connection == null) {
break;
}
connection.closeAsync();
}
boolean allFreezed = true;
for (SubscribesConnectionEntry entry : clients.values()) {
if (!entry.isFreezed()) {
allFreezed = false;
break;
}
}
if (allFreezed) {
clientsEmpty.close();
}
List<RedisPubSubConnection> list =
new ArrayList<RedisPubSubConnection>(connectionEntry.getAllSubscribeConnections());
connectionEntry.getAllSubscribeConnections().clear();
return list;
}
return Collections.emptyList();
}