Index: mojo/public/js/lib/pipe_control_message_handler.js |
diff --git a/mojo/public/js/lib/pipe_control_message_handler.js b/mojo/public/js/lib/pipe_control_message_handler.js |
new file mode 100644 |
index 0000000000000000000000000000000000000000..2eb45d16266fe8fddf19696af797d683a28d4efd |
--- /dev/null |
+++ b/mojo/public/js/lib/pipe_control_message_handler.js |
@@ -0,0 +1,61 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+define("mojo/public/js/lib/pipe_control_message_handler", [ |
+ "mojo/public/interfaces/bindings/pipe_control_messages.mojom", |
+ "mojo/public/js/codec", |
+ "mojo/public/js/interface_types", |
+ "mojo/public/js/validator", |
+], function(pipeControlMessages, codec, types, validator) { |
+ |
+ var Validator = validator.Validator; |
+ |
+ function validateControlRequestWithoutResponse(message) { |
+ var messageValidator = new Validator(message); |
+ var error = messageValidator.validateMessageIsRequestWithoutResponse(); |
+ if (error != validator.validationError.NONE) { |
+ throw error; |
+ } |
+ |
+ if (message.getName() != pipeControlMessages.kRunOrClosePipeMessageId) { |
+ throw new Error("Control message name is not kRunOrClosePipeMessageId"); |
+ } |
+ |
+ // Validate payload. |
+ error = pipeControlMessages.RunOrClosePipeMessageParams.validate( |
+ messageValidator, message.getHeaderNumBytes()); |
+ if (error != validator.validationError.NONE) { |
+ throw error; |
+ } |
+ } |
+ |
+ function runOrClosePipe(message, delegate) { |
+ var reader = new codec.MessageReader(message); |
+ var runOrClosePipeMessageParams = reader.decodeStruct( |
+ pipeControlMessages.RunOrClosePipeMessageParams); |
+ var event = runOrClosePipeMessageParams.input |
+ .peer_associated_endpoint_closed_event; |
+ return delegate.onPeerAssociatedEndpointClosed(event.id, |
+ event.disconnect_reason); |
+ } |
+ |
+ function isPipeControlMessage(message) { |
+ return !types.isValidInterfaceId(message.getInterfaceId()); |
+ } |
+ |
+ function PipeControlMessageHandler(delegate) { |
+ this.delegate_ = delegate; |
+ } |
+ |
+ PipeControlMessageHandler.prototype.accept = function(message) { |
+ validateControlRequestWithoutResponse(message); |
+ return runOrClosePipe(message, this.delegate_); |
+ }; |
+ |
+ var exports = {}; |
+ exports.PipeControlMessageHandler = PipeControlMessageHandler; |
+ exports.isPipeControlMessage = isPipeControlMessage; |
+ |
+ return exports; |
+}); |