Fix typos (#1994)

Documentation/rpc-errors.md

@@ -38,7 +38,7 @@ To run the example, first start the server:
 $ go run examples/rpc_errors/server/main.go
 ```
 
-In a separate sesssion, run the client:
+In a separate session, run the client:
 
 ```
 $ go run examples/rpc_errors/client/main.go

balancer/balancer.go

@@ -165,7 +165,7 @@ var (
 )
 
 // Picker is used by gRPC to pick a SubConn to send an RPC.
-// Balancer is expected to generate a new picker from its snapshot everytime its
+// Balancer is expected to generate a new picker from its snapshot every time its
 // internal state has changed.
 //
 // The pickers used by gRPC can be updated by ClientConn.UpdateBalancerState().

balancer_conn_wrappers.go

@@ -115,7 +115,7 @@ func newCCBalancerWrapper(cc *ClientConn, b balancer.Builder, bopts balancer.Bui
 	return ccb
 }
 
-// watcher balancer functions sequencially, so the balancer can be implemeneted
+// watcher balancer functions sequentially, so the balancer can be implemented
 // lock-free.
 func (ccb *ccBalancerWrapper) watcher() {
 	for {

balancer_test.go

@@ -44,7 +44,7 @@ type testWatcher struct {
 	update chan *naming.Update
 	// the side channel to get to know how many updates in a batch
 	side chan int
-	// the channel to notifiy update injector that the update reading is done
+	// the channel to notify update injector that the update reading is done
 	readDone chan int
 }
 

benchmark/worker/main.go

@@ -187,7 +187,7 @@ func (s *workerServer) CoreCount(ctx context.Context, in *testpb.CoreRequest) (*
 }
 
 func (s *workerServer) QuitWorker(ctx context.Context, in *testpb.Void) (*testpb.Void, error) {
-	grpclog.Printf("quiting worker")
+	grpclog.Printf("quitting worker")
 	s.stop <- true
 	return &testpb.Void{}, nil
 }

clientconn.go

@@ -1096,7 +1096,7 @@ func (ac *addrConn) errorf(format string, a ...interface{}) {
 // resetTransport recreates a transport to the address for ac.  The old
 // transport will close itself on error or when the clientconn is closed.
 // The created transport must receive initial settings frame from the server.
-// In case that doesnt happen, transportMonitor will kill the newly created
+// In case that doesn't happen, transportMonitor will kill the newly created
 // transport after connectDeadline has expired.
 // In case there was an error on the transport before the settings frame was
 // received, resetTransport resumes connecting to backends after the one that
@@ -1141,7 +1141,7 @@ func (ac *addrConn) resetTransport() error {
 			connectDeadline = start.Add(dialDuration)
 			ridx = 0 // Start connecting from the beginning.
 		} else {
-			// Continue trying to conect with the same deadlines.
+			// Continue trying to connect with the same deadlines.
 			connectRetryNum = ac.connectRetryNum
 			backoffDeadline = ac.backoffDeadline
 			connectDeadline = ac.connectDeadline

naming/dns_resolver.go

@@ -153,10 +153,10 @@ type ipWatcher struct {
 	updateChan chan *Update
 }
 
-// Next returns the adrress resolution Update for the target. For IP address,
-// the resolution is itself, thus polling name server is unncessary. Therefore,
+// Next returns the address resolution Update for the target. For IP address,
+// the resolution is itself, thus polling name server is unnecessary. Therefore,
 // Next() will return an Update the first time it is called, and will be blocked
-// for all following calls as no Update exisits until watcher is closed.
+// for all following calls as no Update exists until watcher is closed.
 func (i *ipWatcher) Next() ([]*Update, error) {
 	u, ok := <-i.updateChan
 	if !ok {

naming/naming.go

@@ -30,7 +30,7 @@ type Operation uint8
 const (
 	// Add indicates a new address is added.
 	Add Operation = iota
-	// Delete indicates an exisiting address is deleted.
+	// Delete indicates an existing address is deleted.
 	Delete
 )
 

reflection/grpc_reflection_v1alpha/reflection.proto

@@ -72,21 +72,21 @@ message ExtensionRequest {
 message ServerReflectionResponse {
   string valid_host = 1;
   ServerReflectionRequest original_request = 2;
-  // The server set one of the following fields according to the message_request
-  // in the request.
+  // The server sets one of the following fields according to the
+  // message_request in the request.
   oneof message_response {
     // This message is used to answer file_by_filename, file_containing_symbol,
-    // file_containing_extension requests with transitive dependencies. As
-    // the repeated label is not allowed in oneof fields, we use a
+    // file_containing_extension requests with transitive dependencies.
+    // As the repeated label is not allowed in oneof fields, we use a
     // FileDescriptorResponse message to encapsulate the repeated fields.
     // The reflection service is allowed to avoid sending FileDescriptorProtos
     // that were previously sent in response to earlier requests in the stream.
     FileDescriptorResponse file_descriptor_response = 4;
 
-    // This message is used to answer all_extension_numbers_of_type requst.
+    // This message is used to answer all_extension_numbers_of_type requests.
     ExtensionNumberResponse all_extension_numbers_response = 5;
 
-    // This message is used to answer list_services request.
+    // This message is used to answer list_services requests.
     ListServiceResponse list_services_response = 6;
 
     // This message is used when an error occurs.

resolver_conn_wrapper.go

@@ -95,7 +95,7 @@ func (ccr *ccResolverWrapper) start() {
 	go ccr.watcher()
 }
 
-// watcher processes address updates and service config updates sequencially.
+// watcher processes address updates and service config updates sequentially.
 // Otherwise, we need to resolve possible races between address and service
 // config (e.g. they specify different balancer types).
 func (ccr *ccResolverWrapper) watcher() {

rpc_util.go

@@ -362,7 +362,7 @@ func (o CompressorCallOption) after(c *callInfo) {}
 //
 // If CallCustomCodec is not also used, the content-subtype will be used to
 // look up the Codec to use in the registry controlled by RegisterCodec. See
-// the documention on RegisterCodec for details on registration. The lookup
+// the documentation on RegisterCodec for details on registration. The lookup
 // of content-subtype is case-insensitive. If no such Codec is found, the call
 // will result in an error with code codes.Internal.
 //

transport/controlbuf.go

@@ -175,7 +175,7 @@ func (s *outStream) deleteSelf() {
 }
 
 type outStreamList struct {
-	// Following are sentinal objects that mark the
+	// Following are sentinel objects that mark the
 	// beginning and end of the list. They do not
 	// contain any item lists. All valid objects are
 	// inserted in between them.

transport/http2_server.go

@@ -860,7 +860,7 @@ func (t *http2Server) keepalive() {
 				// The connection has been idle for a duration of keepalive.MaxConnectionIdle or more.
 				// Gracefully close the connection.
 				t.drain(http2.ErrCodeNo, []byte{})
-				// Reseting the timer so that the clean-up doesn't deadlock.
+				// Resetting the timer so that the clean-up doesn't deadlock.
 				maxIdle.Reset(infinity)
 				return
 			}
@@ -872,7 +872,7 @@ func (t *http2Server) keepalive() {
 			case <-maxAge.C:
 				// Close the connection after grace period.
 				t.Close()
-				// Reseting the timer so that the clean-up doesn't deadlock.
+				// Resetting the timer so that the clean-up doesn't deadlock.
 				maxAge.Reset(infinity)
 			case <-t.ctx.Done():
 			}
@@ -885,7 +885,7 @@ func (t *http2Server) keepalive() {
 			}
 			if pingSent {
 				t.Close()
-				// Reseting the timer so that the clean-up doesn't deadlock.
+				// Resetting the timer so that the clean-up doesn't deadlock.
 				keepalive.Reset(infinity)
 				return
 			}

transport/http_util.go

@@ -261,9 +261,9 @@ func (d *decodeState) decodeResponseHeader(frame *http2.MetaHeadersFrame) error
 	// gRPC status doesn't exist and http status is OK.
 	// Set rawStatusCode to be unknown and return nil error.
 	// So that, if the stream has ended this Unknown status
-	// will be propogated to the user.
+	// will be propagated to the user.
 	// Otherwise, it will be ignored. In which case, status from
-	// a later trailer, that has StreamEnded flag set, is propogated.
+	// a later trailer, that has StreamEnded flag set, is propagated.
 	code := int(codes.Unknown)
 	d.rawStatusCode = &code
 	return nil

transport/transport_test.go

@@ -1908,7 +1908,7 @@ func (s *httpServer) start(t *testing.T, lis net.Listener) {
 		}
 		// Read preface sent by client.
 		if _, err = io.ReadFull(s.conn, make([]byte, len(http2.ClientPreface))); err != nil {
-			t.Errorf("Error at server-side while reading preface from cleint. Err: %v", err)
+			t.Errorf("Error at server-side while reading preface from client. Err: %v", err)
 			return
 		}
 		reader := bufio.NewReaderSize(s.conn, defaultWriteBufSize)