Addressing review

Signed-off-by: dorjesinpo <129227380+dorjesinpo@users.noreply.github.com>

src/groups/bmq/bmqp/bmqp_schemaeventbuilder.cpp

@@ -47,7 +47,7 @@ EncodingType::Enum SchemaEventBuilderUtil::bestEncodingSupported(
         return EncodingType::e_BER;  // RETURN
     }
 
-    // If remote suppports BER, return BER
+    // If remote supports BER, return BER
     if (bsl::find(encodingsSupported.cbegin(),
                   encodingsSupported.cend(),
                   bsl::string(EncodingFeature::k_ENCODING_BER)) !=

src/groups/mqb/mqba/mqba_adminsession.cpp

@@ -419,11 +419,11 @@ void AdminSession::tearDown(const bsl::shared_ptr<void>& session,
 
 void AdminSession::initiateShutdown(const ShutdownCb&         callback,
                                     const bsls::TimeInterval& timeout,
-                                    bool suppportShutdownV2)
+                                    bool supportShutdownV2)
 {
     // executed by the *ANY* thread
     (void)timeout;
-    (void)suppportShutdownV2;
+    (void)supportShutdownV2;
 
     dispatcher()->execute(
         bdlf::BindUtil::bind(&AdminSession::initiateShutdownDispatched,

src/groups/mqb/mqba/mqba_adminsession.h

@@ -262,10 +262,13 @@ class AdminSession : public mqbnet::Session, public mqbi::DispatcherClient {
     /// Initiate the shutdown of the session and invoke the specified
     /// `callback` upon completion of (asynchronous) shutdown sequence or
     /// if the specified `timeout` is expired.
+    /// The optional (temporary) specified 'supportShutdownV2' indicates
+    /// shutdown V2 logic which is not applicable to `AdminSession`
+    /// implementation.
     void
     initiateShutdown(const ShutdownCb&         callback,
                      const bsls::TimeInterval& timeout,
-                     bool suppportShutdownV2 = false) BSLS_KEYWORD_OVERRIDE;
+                     bool supportShutdownV2 = false) BSLS_KEYWORD_OVERRIDE;
 
     /// Make the session abandon any work it has.
     void invalidate() BSLS_KEYWORD_OVERRIDE;

src/groups/mqb/mqba/mqba_application.cpp

@@ -442,9 +442,9 @@ void Application::stop()
     d_transportManager_mp->initiateShutdown();
     BALL_LOG_INFO << "Stopped listening for new connections.";
 
-    bool suppportShutdownV2 = initiateShutdown();
+    bool supportShutdownV2 = initiateShutdown();
 
-    if (suppportShutdownV2) {
+    if (supportShutdownV2) {
         BALL_LOG_INFO << ": Executing GRACEFUL_SHUTDOWN_V2";
     }
     else {
@@ -463,7 +463,7 @@ void Application::stop()
          ++clusterIt, --count) {
         clusterIt.cluster()->initiateShutdown(
             bdlf::BindUtil::bind(&bslmt::Latch::arrive, &latch),
-            suppportShutdownV2);
+            supportShutdownV2);
     }
     latch.wait();
 

src/groups/mqb/mqba/mqba_application.h

@@ -158,8 +158,12 @@ class Application {
     /// Pendant operation of the `oneTimeInit` one.
     void oneTimeShutdown();
 
-    /// Attempt to execute shutdown logic v2.  Return 'true' if all nodes and
-    /// proxies support it.
+    /// Attempt to execute graceful shutdown logic v2.
+    ///
+    /// If any node or proxy does not support the v2 graceful shutdown logic,
+    /// do not perform any shutdown actions and return `false`.  Otherwise,
+    /// send v2 shutdown requests to all nodes, shutdown clients and proxies,
+    /// and return `true`.
     bool initiateShutdown();
 
   private:

src/groups/mqb/mqba/mqba_clientsession.cpp

@@ -833,7 +833,7 @@ void ClientSession::onHandleConfiguredDispatched(
 void ClientSession::initiateShutdownDispatched(
     const ShutdownCb&         callback,
     const bsls::TimeInterval& timeout,
-    bool                      suppportShutdownV2)
+    bool                      supportShutdownV2)
 {
     // executed by the *CLIENT* dispatcher thread
 
@@ -875,7 +875,7 @@ void ClientSession::initiateShutdownDispatched(
         return;  // RETURN
     }
 
-    if (suppportShutdownV2) {
+    if (supportShutdownV2) {
         d_operationState = e_SHUTTING_DOWN_V2;
         d_queueSessionManager.shutDown();
 
@@ -2808,7 +2808,7 @@ void ClientSession::tearDown(const bsl::shared_ptr<void>& session,
 
 void ClientSession::initiateShutdown(const ShutdownCb&         callback,
                                      const bsls::TimeInterval& timeout,
-                                     bool suppportShutdownV2)
+                                     bool supportShutdownV2)
 {
     // executed by the *ANY* thread
 
@@ -2844,7 +2844,7 @@ void ClientSession::initiateShutdown(const ShutdownCb&         callback,
                     d_self.acquire()),
                 callback,
                 timeout,
-                suppportShutdownV2),
+                supportShutdownV2),
             this,
             mqbi::DispatcherEventType::e_DISPATCHER);
         // Use 'mqbi::DispatcherEventType::e_DISPATCHER' to avoid (re)enabling

src/groups/mqb/mqba/mqba_clientsession.h

@@ -273,7 +273,8 @@ class ClientSession : public mqbnet::Session,
     enum OperationState {
         e_RUNNING  // Running normally
         ,
-        // TEMPORARY, remove 'after switching to StopRequest V2
+        // TODO(shutdown-v2): TEMPORARY, remove when all switch to StopRequest
+        // V2.
         e_SHUTTING_DOWN  // Shutting down due to 'initiateShutdown' request
         ,
         e_SHUTTING_DOWN_V2  // Shutting down due to 'initiateShutdown' request
@@ -477,7 +478,7 @@ class ClientSession : public mqbnet::Session,
     /// if the specified `timeout` is expired.
     void initiateShutdownDispatched(const ShutdownCb&         callback,
                                     const bsls::TimeInterval& timeout,
-                                    bool suppportShutdownV2);
+                                    bool supportShutdownV2);
 
     void invalidateDispatched();
 
@@ -676,14 +677,14 @@ class ClientSession : public mqbnet::Session,
     /// Initiate the shutdown of the session and invoke the specified
     /// `callback` upon completion of (asynchronous) shutdown sequence or
     /// if the specified `timeout` is expired.  If the optional (temporary)
-    /// specified 'suppportShutdownV2' is 'true' execute shutdown logic V2
+    /// specified 'supportShutdownV2' is 'true' execute shutdown logic V2
     /// where upstream (not downstream) nodes deconfigure  queues and the
     /// shutting down node (not downstream) waits for CONFIRMS.
     /// The shutdown is complete when 'tearDownAllQueuesDone'.
     void
     initiateShutdown(const ShutdownCb&         callback,
                      const bsls::TimeInterval& timeout,
-                     bool suppportShutdownV2 = false) BSLS_KEYWORD_OVERRIDE;
+                     bool supportShutdownV2 = false) BSLS_KEYWORD_OVERRIDE;
 
     /// Make the session abandon any work it has.
     void invalidate() BSLS_KEYWORD_OVERRIDE;

src/groups/mqb/mqbblp/mqbblp_cluster.cpp

@@ -612,7 +612,7 @@ void Cluster::processCommandDispatched(mqbcmd::ClusterResult*        result,
 }
 
 void Cluster::initiateShutdownDispatched(const VoidFunctor& callback,
-                                         bool               suppportShutdownV2)
+                                         bool               supportShutdownV2)
 {
     // executed by the *DISPATCHER* thread
 
@@ -626,7 +626,7 @@ void Cluster::initiateShutdownDispatched(const VoidFunctor& callback,
     d_clusterData.membership().setSelfNodeStatus(
         bmqp_ctrlmsg::NodeStatus::E_STOPPING);
 
-    if (suppportShutdownV2) {
+    if (supportShutdownV2) {
         d_clusterOrchestrator.queueHelper().requestToStopPushing();
 
         bsls::TimeInterval whenToStop(
@@ -642,7 +642,8 @@ void Cluster::initiateShutdownDispatched(const VoidFunctor& callback,
                                  bdlf::PlaceHolders::_1));  // completionCb
     }
     else {
-        // Temporary, remove after switching all to version 2
+        // TODO(shutdown-v2): TEMPORARY, remove when all switch to StopRequest
+        // V2.
         // Send StopRequest to all nodes and proxies.  The peers are expected
         // not to send any PUT msgs to this node after receiving StopRequest.
         // For each queue for which this node is the primary, peers (replicas
@@ -661,7 +662,7 @@ void Cluster::initiateShutdownDispatched(const VoidFunctor& callback,
 
         SessionSpVec sessions;
         for (mqbnet::TransportManagerIterator sessIt(
-             &d_clusterData.transportManager());
+                &d_clusterData.transportManager());
              sessIt;
              ++sessIt) {
             bsl::shared_ptr<mqbnet::Session> sessionSp =
@@ -684,16 +685,13 @@ void Cluster::initiateShutdownDispatched(const VoidFunctor& callback,
             }
 
             if (mqbnet::ClusterUtil::isClient(negoMsg)) {
-                //            if (!d_suppportShutdownV2) {
                 link.insert(bdlf::BindUtil::bind(
                     &mqbnet::Session::initiateShutdown,
                     sessionSp,
                     bdlf::PlaceHolders::_1,  // completion callback
                     shutdownTimeout,
                     false));
-                //            }
-                // else there is no need to de-confgiure queues and wait for
-                // unconfirmed since V2 upstreams do that on StopRequest V2
+
                 continue;  // CONTINUE
             }
 
@@ -2684,7 +2682,7 @@ int Cluster::start(bsl::ostream& errorDescription)
 }
 
 void Cluster::initiateShutdown(const VoidFunctor& callback,
-                               bool               suppportShutdownV2)
+                               bool               supportShutdownV2)
 {
     // executed by *ANY* thread
 
@@ -2697,7 +2695,7 @@ void Cluster::initiateShutdown(const VoidFunctor& callback,
         bdlf::BindUtil::bind(&Cluster::initiateShutdownDispatched,
                              this,
                              callback,
-                             suppportShutdownV2),
+                             supportShutdownV2),
         this);
 
     // Wait for above event to complete.  This is needed because

src/groups/mqb/mqbblp/mqbblp_cluster.h

@@ -411,9 +411,11 @@ class Cluster : public mqbi::Cluster,
 
     /// Executed by dispatcher thread.
     void initiateShutdownDispatched(const VoidFunctor& callback,
-                                    bool               suppportShutdownV2);
+                                    bool               supportShutdownV2);
+
+    // TODO(shutdown-v2): TEMPORARY, remove when all switch to StopRequest
+    // V2.
 
-    // // Temporary, remove after switching all to version 2
     /// Send stop request to proxies and nodes specified in `sessions` using
     /// the specified `stopCb` as a callback to be called once all the
     /// requests get responses.
@@ -564,13 +566,13 @@ class Cluster : public mqbi::Cluster,
     /// Initiate the shutdown of the cluster.  It is expected that `stop()`
     /// will be called soon after this routine is invoked.  Invoke the
     /// specified `callback` upon completion of (asynchronous) shutdown
-    /// sequence.    If the optional (temporary) specified 'suppportShutdownV2'
+    /// sequence.    If the optional (temporary) specified 'supportShutdownV2'
     /// is 'true' execute shutdown logic V2 where upstream (not downstream)
-    /// nodes deconfigure  queues and he shutting down node (not downstream)
+    /// nodes deconfigure  queues and the shutting down node (not downstream)
     /// wait for CONFIRMS.
     void
     initiateShutdown(const VoidFunctor& callback,
-                     bool suppportShutdownV2 = false) BSLS_KEYWORD_OVERRIDE;
+                     bool supportShutdownV2 = false) BSLS_KEYWORD_OVERRIDE;
 
     /// Stop the `Cluster`.
     void stop() BSLS_KEYWORD_OVERRIDE;

src/groups/mqb/mqbblp/mqbblp_clusterorchestrator.cpp

@@ -880,7 +880,7 @@ void ClusterOrchestrator::processStopRequest(
                   << ", current status: " << ns->nodeStatus()
                   << ", new status: " << bmqp_ctrlmsg::NodeStatus::E_STOPPING;
 
-    // Temporary, remove after switching all to version 2
+    // TODO(shutdown-v2): TEMPORARY, remove when all switch to StopRequest V2.
     if (stopRequest.version() == 1 && stopRequest.clusterName() != name) {
         BSLS_PERFORMANCEHINT_UNLIKELY_HINT;
         BALL_LOG_ERROR << d_clusterData_p->identity().description()

src/groups/mqb/mqbblp/mqbblp_clusterproxy.cpp

@@ -158,7 +158,7 @@ void ClusterProxy::startDispatched()
 }
 
 void ClusterProxy::initiateShutdownDispatched(const VoidFunctor& callback,
-                                              bool suppportShutdownV2)
+                                              bool supportShutdownV2)
 {
     // executed by the *DISPATCHER* thread
 
@@ -171,7 +171,7 @@ void ClusterProxy::initiateShutdownDispatched(const VoidFunctor& callback,
     // Mark self as stopping.
     d_isStopping = true;
 
-    if (suppportShutdownV2) {
+    if (supportShutdownV2) {
         d_queueHelper.requestToStopPushing();
 
         bsls::TimeInterval whenToStop(
@@ -187,7 +187,8 @@ void ClusterProxy::initiateShutdownDispatched(const VoidFunctor& callback,
                                  bdlf::PlaceHolders::_1));  // completionCb
     }
     else {
-        // Temporary, remove after switching all to version 2
+        // TODO(shutdown-v2): TEMPORARY, remove when all switch to StopRequest
+        // V2.
 
         // Fill the first link with client session shutdown operations
         mwcu::OperationChainLink link(d_shutdownChain.allocator());
@@ -197,7 +198,7 @@ void ClusterProxy::initiateShutdownDispatched(const VoidFunctor& callback,
             clusterProxyConfig()->queueOperations().shutdownTimeoutMs());
 
         for (mqbnet::TransportManagerIterator sessIt(
-             &d_clusterData.transportManager());
+                &d_clusterData.transportManager());
              sessIt;
              ++sessIt) {
             bsl::shared_ptr<mqbnet::Session> sessionSp =
@@ -1150,7 +1151,7 @@ int ClusterProxy::start(BSLS_ANNOTATION_UNUSED bsl::ostream& errorDescription)
 }
 
 void ClusterProxy::initiateShutdown(const VoidFunctor& callback,
-                                    bool               suppportShutdownV2)
+                                    bool               supportShutdownV2)
 {
     // executed by *ANY* thread
 
@@ -1163,7 +1164,7 @@ void ClusterProxy::initiateShutdown(const VoidFunctor& callback,
         bdlf::BindUtil::bind(&ClusterProxy::initiateShutdownDispatched,
                              this,
                              callback,
-                             suppportShutdownV2),
+                             supportShutdownV2),
         this);
 
     dispatcher()->synchronize(this);

src/groups/mqb/mqbblp/mqbblp_clusterproxy.h

@@ -266,7 +266,7 @@ class ClusterProxy : public mqbc::ClusterStateObserver,
     /// be called when the shutdown is completed.  This routine is invoked
     /// in the cluster-dispatcher thread.
     void initiateShutdownDispatched(const VoidFunctor& callback,
-                                    bool suppportShutdownV2 = false);
+                                    bool supportShutdownV2 = false);
 
     /// Stop the `Cluster`.
     void stopDispatched();
@@ -397,7 +397,7 @@ class ClusterProxy : public mqbc::ClusterStateObserver,
     void
     processResponseDispatched(const bmqp_ctrlmsg::ControlMessage& response);
 
-    // Temporary, remove after switching all to version 2
+    // TODO(shutdown-v2): TEMPORARY, remove when all switch to StopRequest V2.
     /// Send stop request to proxies specified in `sessions` using the
     /// specified `stopCb` as a callback to be called once all the requests
     /// get responses.
@@ -455,13 +455,13 @@ class ClusterProxy : public mqbc::ClusterStateObserver,
     /// Initiate the shutdown of the cluster and invoke the specified
     /// `callback` upon completion of (asynchronous) shutdown sequence. It
     /// is expected that `stop()` will be called soon after this routine is
-    /// invoked.  If the optional (temporary) specified 'suppportShutdownV2' is
+    /// invoked.  If the optional (temporary) specified 'supportShutdownV2' is
     /// 'true' execute shutdown logic V2 where upstream (not downstream) nodes
-    /// deconfigure  queues and he shutting down node (not downstream) wait for
-    /// CONFIRMS.
+    /// deconfigure  queues and the shutting down node (not downstream) wait
+    /// for CONFIRMS.
     void
     initiateShutdown(const VoidFunctor& callback,
-                     bool suppportShutdownV2 = false) BSLS_KEYWORD_OVERRIDE;
+                     bool supportShutdownV2 = false) BSLS_KEYWORD_OVERRIDE;
 
     /// Stop the `Cluster`.
     void stop() BSLS_KEYWORD_OVERRIDE;