WIP

event/monitoring.go

@@ -106,8 +106,9 @@ type PoolEvent struct {
  Reason string `json:"reason"`
  // ServiceID is only set if the Type is PoolCleared and the server is deployed behind a load balancer. This field
  // can be used to distinguish between individual servers in a load balanced deployment.
- ServiceID *primitive.ObjectID `json:"serviceId"`
- Error error `json:"error"`
+ ServiceID *primitive.ObjectID `json:"serviceId"`
+ Interruption bool `json:"interruptInUseConnections"`
+ Error error `json:"error"`
 }
 
 // PoolMonitor is a function that allows the user to gain access to events occurring in the pool

mongo/integration/unified/collection_operation_execution.go

@@ -1072,6 +1072,7 @@ func executeInsertOne(ctx context.Context, operation *operation) (*operationResu
  }
 
  res, err := coll.InsertOne(ctx, document, opts)
+ fmt.Println("insert one", err)
  raw := emptyCoreDocument
  if res != nil {
  t, data, err := bson.MarshalValue(res.InsertedID)

mongo/integration/unified/event_verification.go

@@ -61,7 +61,8 @@ type cmapEvent struct {
  ConnectionCheckedInEvent *struct{} `bson:"connectionCheckedInEvent"`
 
  PoolClearedEvent *struct {
- HasServiceID *bool `bson:"hasServiceId"`
+ HasServiceID *bool `bson:"hasServiceId"`
+ InterruptInUseConnections *bool `bson:"interruptInUseConnections"`
  } `bson:"poolClearedEvent"`
 }
 
@@ -353,6 +354,7 @@ func verifyCMAPEvents(client *clientEntity, expectedEvents *expectedEvents) erro
  }
  case evt.PoolClearedEvent != nil:
  var actual *event.PoolEvent
+ fmt.Println("PoolClearedEvent", evt.PoolClearedEvent, actual)
  if actual, pooled, err = getNextPoolEvent(pooled, event.PoolCleared); err != nil {
  return newEventVerificationError(idx, client, err.Error())
  }
@@ -361,6 +363,10 @@ func verifyCMAPEvents(client *clientEntity, expectedEvents *expectedEvents) erro
  return newEventVerificationError(idx, client, "error verifying serviceID: %v", err)
  }
  }
+ if expectInterruption := evt.PoolClearedEvent.InterruptInUseConnections; expectInterruption != nil && *expectInterruption != actual.Interruption {
+ return newEventVerificationError(idx, client, "expected interruptInUseConnections %v, got %v",
+ expectInterruption, actual.Interruption)
+ }
  default:
  return newEventVerificationError(idx, client, "no expected event set on cmapEvent instance")
  }

mongo/integration/unified/testrunner_operation.go

@@ -188,8 +188,14 @@ func executeTestRunnerOperation(ctx context.Context, operation *operation, loopD
  }
  return nil
  case "runOnThread":
- // TODO
- return nil
+ operationRaw, err := args.LookupErr("operation")
+ if err != nil {
+ return fmt.Errorf("'operation' argument not found in runOnThread operation")
+ }
+ if err := operationRaw.Unmarshal(operation); err != nil {
+ return fmt.Errorf("error unmarshalling 'operation' argument: %v", err)
+ }
+ return operation.execute(ctx, loopDone)
  case "waitForThread":
  // TODO
  return nil

mongo/integration/unified/unified_spec_runner.go

@@ -299,15 +299,18 @@ func (tc *TestCase) Run(ls LoggerSkipper) error {
  }
  }
 
+ fmt.Println("run")
  for idx, operation := range tc.Operations {
  if err := operation.execute(testCtx, tc.loopDone); err != nil {
+ fmt.Println("run err", err, operation)
  if isSkipTestError(err) {
  ls.Skip(err)
  }
 
  return fmt.Errorf("error running operation %q at index %d: %v", operation.Name, idx, err)
  }
  }
+ fmt.Println("~run")
 
  // Create a validator for log messages and start the workers that will
  // observe log messages as they occur operationally.
@@ -324,6 +327,7 @@ func (tc *TestCase) Run(ls LoggerSkipper) error {
  if tc.Description != "BulkWrite on server that doesn't support arrayFilters with arrayFilters on second op" {
  for idx, expectedEvents := range tc.ExpectedEvents {
  if err := verifyEvents(testCtx, expectedEvents); err != nil {
+ fmt.Println("verification failed", expectedEvents)
  return fmt.Errorf("events verification failed at index %d: %v", idx, err)
  }
  }

x/mongo/driver/topology/connection.go

@@ -336,8 +336,10 @@ func (c *connection) cancellationListenerCallback() {
 }
 
 func (c *connection) writeWireMessage(ctx context.Context, wm []byte) error {
+ // fmt.Println("writeWireMessage")
  var err error
  if atomic.LoadInt64(&c.state) != connConnected {
+ fmt.Println("writeWireMessage close")
  return ConnectionError{
  ConnectionID: c.id,
  Wrapped: c.err,
@@ -392,7 +394,9 @@ func (c *connection) write(ctx context.Context, wm []byte) (err error) {
 
 // readWireMessage reads a wiremessage from the connection. The dst parameter will be overwritten.
 func (c *connection) readWireMessage(ctx context.Context) ([]byte, error) {
+ // fmt.Println("readWireMessage")
  if atomic.LoadInt64(&c.state) != connConnected {
+ fmt.Println("readWireMessage close")
  return nil, ConnectionError{
  ConnectionID: c.id,
  Wrapped: c.err,

x/mongo/driver/topology/pool.go

@@ -852,6 +852,7 @@ func (p *pool) checkInNoEvent(conn *connection) error {
 }
 
 func (p *pool) interruptInUseConnections() {
+ fmt.Println("interruptInUseConnections")
  for _, conn := range p.conns {
  if conn.inUse && p.stale(conn) {
  _ = p.removeConnection(conn, reason{
@@ -944,10 +945,11 @@ func (p *pool) clear(err error, serviceID *primitive.ObjectID, cleaningupFns ...
 
  if sendEvent && p.monitor != nil {
  p.monitor.Event(&event.PoolEvent{
- Type: event.PoolCleared,
- Address: p.address.String(),
- ServiceID: serviceID,
- Error: err,
+ Type: event.PoolCleared,
+ Address: p.address.String(),
+ ServiceID: serviceID,
+ Interruption: len(cleaningupFns) > 0,
+ Error: err,
  })
  }
 

x/mongo/driver/topology/server.go

@@ -640,6 +640,7 @@ func (s *Server) update() {
  // Clear the pool once the description has been updated to Unknown. Pass in a nil service ID to clear
  // because the monitoring routine only runs for non-load balanced deployments in which servers don't return
  // IDs.
+ fmt.Println("clear with interruptInUseConnections", err)
  s.pool.clear(err, nil, s.pool.interruptInUseConnections)
  }
  // We're either not handling a timeout error, or we just handled the 2nd consecutive