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Unified Diff: third_party/mojo/src/mojo/public/dart/src/message.dart

Issue 1157843002: Update mojo sdk to rev 1dc8a9a5db73d3718d99917fadf31f5fb2ebad4f (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 7 months ago
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Index: third_party/mojo/src/mojo/public/dart/src/message.dart
diff --git a/third_party/mojo/src/mojo/public/dart/src/message.dart b/third_party/mojo/src/mojo/public/dart/src/message.dart
deleted file mode 100644
index 559c345410ba8a5959d41bf1c71635011b1ca4bd..0000000000000000000000000000000000000000
--- a/third_party/mojo/src/mojo/public/dart/src/message.dart
+++ /dev/null
@@ -1,127 +0,0 @@
-// Copyright 2014 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.
-
-part of bindings;
-
-class MessageHeader {
- static const int kSimpleMessageSize = 16;
- static const int kSimpleMessageVersion = 0;
- static const int kMessageWithRequestIdSize = 24;
- static const int kMessageWithRequestIdVersion = 1;
- static const int kMessageTypeOffset = StructDataHeader.kHeaderSize;
- static const int kMessageFlagsOffset = kMessageTypeOffset + 4;
- static const int kMessageRequestIdOffset = kMessageFlagsOffset + 4;
- static const int kMessageExpectsResponse = 1 << 0;
- static const int kMessageIsResponse = 1 << 1;
-
- StructDataHeader _header;
- int type;
- int flags;
- int requestId;
-
- static bool mustHaveRequestId(int flags) =>
- (flags & (kMessageExpectsResponse | kMessageIsResponse)) != 0;
-
- MessageHeader(this.type)
- : _header = new StructDataHeader(
- kSimpleMessageSize, kSimpleMessageVersion),
- flags = 0,
- requestId = 0;
-
- MessageHeader.withRequestId(this.type, this.flags, this.requestId)
- : _header = new StructDataHeader(
- kMessageWithRequestIdSize, kMessageWithRequestIdVersion);
-
- MessageHeader.fromMessage(Message message) {
- var decoder = new Decoder(message);
- _header = decoder.decodeStructDataHeader();
- if (_header.size < kSimpleMessageSize) {
- throw new MojoCodecError('Incorrect message size. Got: ${_header.size} '
- 'wanted $kSimpleMessageSize');
- }
- type = decoder.decodeUint32(kMessageTypeOffset);
- flags = decoder.decodeUint32(kMessageFlagsOffset);
- if (mustHaveRequestId(flags)) {
- if (_header.size < kMessageWithRequestIdSize) {
- throw new MojoCodecError('Incorrect message size. Got: ${_header.size} '
- 'wanted $kMessageWithRequestIdSize');
- }
- requestId = decoder.decodeUint64(kMessageRequestIdOffset);
- } else {
- requestId = 0;
- }
- }
-
- int get size => _header.size;
- bool get hasRequestId => mustHaveRequestId(flags);
-
- void encode(Encoder encoder) {
- encoder.encodeStructDataHeader(_header);
- encoder.encodeUint32(type, kMessageTypeOffset);
- encoder.encodeUint32(flags, kMessageFlagsOffset);
- if (hasRequestId) {
- encoder.encodeUint64(requestId, kMessageRequestIdOffset);
- }
- }
-
- String toString() => "MessageHeader($_header, $type, $flags, $requestId)";
-
- bool validateHeaderFlags(expectedFlags) =>
- (flags & (kMessageExpectsResponse | kMessageIsResponse)) == expectedFlags;
-
- bool validateHeader(int expectedType, int expectedFlags) =>
- (type == expectedType) && validateHeaderFlags(expectedFlags);
-
- static void _validateDataHeader(StructDataHeader dataHeader) {
- if (dataHeader.version < kSimpleMessageVersion) {
- throw 'Incorrect version, expecting at least '
- '$kSimpleMessageVersion, but got: ${dataHeader.version}.';
- }
- if (dataHeader.size < kSimpleMessageSize) {
- throw 'Incorrect message size, expecting at least $kSimpleMessageSize, '
- 'but got: ${dataHeader.size}';
- }
- if ((dataHeader.version == kSimpleMessageVersion) &&
- (dataHeader.size != kSimpleMessageSize)) {
- throw 'Incorrect message size for a message of version '
- '$kSimpleMessageVersion, expecting $kSimpleMessageSize, '
- 'but got ${dataHeader.size}';
- }
- if ((dataHeader.version == kMessageWithRequestIdVersion) &&
- (dataHeader.size != kMessageWithRequestIdSize)) {
- throw 'Incorrect message size for a message of version '
- '$kMessageWithRequestIdVersion, expecting '
- '$kMessageWithRequestIdSize, but got ${dataHeader.size}';
- }
- }
-}
-
-class Message {
- final ByteData buffer;
- final List<core.MojoHandle> handles;
- Message(this.buffer, this.handles);
- String toString() =>
- "Message(numBytes=${buffer.lengthInBytes}, numHandles=${handles.length})";
-}
-
-class ServiceMessage extends Message {
- final MessageHeader header;
- Message _payload;
-
- ServiceMessage(Message message, this.header)
- : super(message.buffer, message.handles);
-
- ServiceMessage.fromMessage(Message message)
- : this(message, new MessageHeader.fromMessage(message));
-
- Message get payload {
- if (_payload == null) {
- var truncatedBuffer = new ByteData.view(buffer.buffer, header.size);
- _payload = new Message(truncatedBuffer, handles);
- }
- return _payload;
- }
-
- String toString() => "ServiceMessage($header, $_payload)";
-}

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