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// 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;
});
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