X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?p=controller.git;a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-akka-raft%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fraft%2Fbehaviors%2FLeader.java;h=eb49abc17aea4a0ebefacde0a5925312082e1405;hp=4821d98835371c299c27776a81c4d9998501399d;hb=1b1360ac337d23b9a586f62616eb278c3065eef0;hpb=660c3e22ca97bc613ea6f6288503620bba6fb233
diff --git a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Leader.java b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Leader.java
index 4821d98835..eb49abc17a 100644
--- a/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Leader.java
+++ b/opendaylight/md-sal/sal-akka-raft/src/main/java/org/opendaylight/controller/cluster/raft/behaviors/Leader.java
@@ -10,6 +10,7 @@ package org.opendaylight.controller.cluster.raft.behaviors;
import akka.actor.ActorRef;
import akka.actor.ActorSelection;
import com.google.common.annotations.VisibleForTesting;
+import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.base.Stopwatch;
import java.util.concurrent.TimeUnit;
@@ -24,7 +25,8 @@ import org.opendaylight.controller.cluster.raft.messages.AppendEntriesReply;
/**
* The behavior of a RaftActor when it is in the Leader state.
- *
+ *
+ *
* Leaders:
*
* - Upon election: send initial empty AppendEntries RPCs
@@ -38,7 +40,7 @@ import org.opendaylight.controller.cluster.raft.messages.AppendEntriesReply;
* follower (§5.3)
*
- If AppendEntries fails because of log inconsistency:
* decrement nextIndex and retry (§5.3)
- *
- If there exists an N such that N > commitIndex, a majority
+ *
- If there exists an N such that N > commitIndex, a majority
* of matchIndex[i] ⥠N, and log[N].term == currentTerm:
* set commitIndex = N (§5.3, §5.4).
*
@@ -107,14 +109,14 @@ public class Leader extends AbstractLeader {
* Start a timer (Stopwatch).
* Send an initial AppendEntries heartbeat to all followers.
* On AppendEntriesReply, check if the follower's new match Index matches the leader's last index
- * If it matches,
+ * If it matches,
*
* - Send an additional AppendEntries to ensure the follower has applied all its log entries to its state.
* - Send an ElectionTimeout to the follower to immediately start an election.
* - Notify {@link RaftActorLeadershipTransferCohort#transferComplete}.
- *
+ *
* Otherwise if the election time out period elapses, notify
- * {@link RaftActorLeadershipTransferCohort#abortTtransfer}.
+ * {@link RaftActorLeadershipTransferCohort#abortTransfer}.
*
*
* @param leadershipTransferCohort the cohort participating in the leadership transfer
@@ -133,6 +135,13 @@ public class Leader extends AbstractLeader {
return;
}
+ final Optional requestedFollowerIdOptional
+ = leadershipTransferContext.transferCohort.getRequestedFollowerId();
+ if (requestedFollowerIdOptional.isPresent() && !requestedFollowerIdOptional.get().equals(followerId)) {
+ // we want to transfer leadership to specific follower
+ return;
+ }
+
FollowerLogInformation followerInfo = getFollower(followerId);
if (followerInfo == null) {
return;