eolivelli commented on a change in pull request #1301: ZOOKEEPER-3774: Close
quorum socket asynchronously on the leader to a…
URL: https://github.com/apache/zookeeper/pull/1301#discussion_r407039972
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File path:
zookeeper-server/src/main/java/org/apache/zookeeper/server/quorum/LearnerHandler.java
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@@ -1150,4 +1140,33 @@ public void setFirstPacket(boolean value) {
needOpPacket = value;
}
+ void closeSocket() {
+ if (sock != null && !sock.isClosed() &&
sockBeingClosed.compareAndSet(false, true)) {
+ LOG.error("Unexpected exception causing shutdown while sock is
still open");
+
+ if (closeSocketAsync) {
+ closeSockAsync();
+ } else {
+ closeSockSync();
+ }
+ }
+ }
+
+ void closeSockAsync() {
+ final Thread closingThread = new Thread(() -> closeSockSync(),
"CloseSocketThread(sid:" + this.sid);
+ closingThread.setDaemon(true);
+ closingThread.start();
+ }
+
+ void closeSockSync() {
+ try {
+ if (sock != null) {
+ long startTime = Time.currentElapsedTime();
+ sock.close();
+
ServerMetrics.getMetrics().SOCKET_CLOSING_TIME.add(Time.currentElapsedTime() -
startTime);
+ }
+ } catch (IOException e) {
+ LOG.warn("Ignoring error closing connection to learner", e);
Review comment:
please add id, like this.sid
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