Frontier kind: Code frontier
unlabeled · c_f2eea0396841
10 tests · 10040 LOC · 54 files · introduces 0 tests · 130 LOC · 2 files
The orange circle is the focus. Violet and green circles are every ancestor and descendant, broader and narrower, at any distance; blue squares and pink diamonds are the introduced files and exact introduced tests of every visible concept, not only the focus's. Arrows point from broader to narrower concepts and bridge only concepts omitted from this view. Undirected links show source or test introduction. Concept and file size follows LOC; exact test nodes use test-count units.
Introduced files, introduced tests, and structurally relevant concept specialization
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Every exact file and test below is linked only from the concept that introduces it.
mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/parts/ipc/test/node/ipc.net.test|title=WebSocketNodeSocket A fragmented unmasked text message|occurrence=1mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/parts/ipc/test/node/ipc.net.test|title=WebSocketNodeSocket A single-frame unmasked text message|occurrence=1mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/lifecycle.test|title=Lifecycle Action bar has broken accessibility #100273|occurrence=1mocha:v1|namespace=vscode@05c208e9e28d8c1c723fa08f85e2b7a96092e8e5|file=vs/base/test/common/lifecycle.test|title=Lifecycle dispose disposable array|occurrence=1Every collected test enters the hierarchy at exactly one concept.
No tests are introduced at this concept. Its intent tests are introduced by other concepts.
Every collected source range enters the hierarchy at exactly one concept.
2 files ranked by introduced lines: 130 introduced LOC across 25 ranges. Expand a file to inspect source; the > gutter marks introduced lines.
public traceSocketEvent(type: SocketDiagnosticsEventType, data?: VSBuffer | Uint8Array | ArrayBuffer | ArrayBufferView | unknown): void {
}
/**
*/
constructor(socket: NodeSocket, permessageDeflate: boolean, inflateBytes: VSBuffer | null, recordInflateBytes: boolean, enableMessageSplitting = true) {
this.socket = socket;
this._maxSocketMessageLength = enableMessageSplitting ? Constants.MaxWebSocketMessageLength : Infinity;
this.traceSocketEvent(SocketDiagnosticsEventType.Created, { type: 'WebSocketNodeSocket', permessageDeflate, inflateBytesLength: inflateBytes?.byteLength || 0, recordInflateBytes });
this._flowManager = this._register(new WebSocketFlowManager(
this,
permessageDeflate,
inflateBytes,
recordInflateBytes,
this._onData,
(data, options) => this._write(data, options)
));
this._register(this._flowManager.onError((err) => {
// zlib errors are fatal, since we have no idea how to recover
console.error(err);
error: err
});
this._incomingData = new ChunkStream();
this._register(this.socket.onData(data => this._acceptChunk(data)));
this._register(this.socket.onClose(async (e) => {
// Delay surfacing the close event until the async inflating is done
// and all data has been emitted
}
this._onClose.fire(e);
}
public override dispose(): void {
// Wait for any outstanding writes to finish before disposing
this._register(this._flowManager.onDidFinishProcessingWriteQueue(() => {
this.dispose();
}));
this.socket.dispose();
super.dispose();
}
}
public onData(listener: (e: VSBuffer) => void): IDisposable {
}
public onClose(listener: (e: SocketCloseEvent) => void): IDisposable {
private _acceptChunk(data: VSBuffer): void {
return;
}
this._incomingData.acceptChunk(data);
while (this._incomingData.byteLength >= this._state.readLen) {
if (this._state.state === ReadState.PeekHeader) {
// peek to see if we can read the entire header
const peekHeader = this._incomingData.peek(this._state.readLen);
const firstByte = peekHeader.readUInt8(0);
const finBit = (firstByte & 0b10000000) >>> 7;
const rsv1Bit = (firstByte & 0b01000000) >>> 6;
const opcode = (firstByte & 0b00001111);
const secondByte = peekHeader.readUInt8(1);
const hasMask = (secondByte & 0b10000000) >>> 7;
const len = (secondByte & 0b01111111);
this._state.state = ReadState.ReadHeader;
this._state.readLen = Constants.MinHeaderByteSize + (hasMask ? 4 : 0) + (len === 126 ? 2 : 0) + (len === 127 ? 8 : 0);
this._state.fin = finBit;
if (this._state.firstFrameOfMessage) {
// if the frame is compressed, the RSV1 bit is set only for the first frame of the message
this._state.compressed = Boolean(rsv1Bit);
}
this._state.firstFrameOfMessage = Boolean(finBit);
this._state.mask = 0;
this._state.opcode = opcode;
this.traceSocketEvent(SocketDiagnosticsEventType.WebSocketNodeSocketPeekedHeader, { headerSize: this._state.readLen, compressed: this._state.compressed, fin: this._state.fin, opcode: this._state.opcode });
} else if (this._state.state === ReadState.ReadHeader) {
// read entire header
const header = this._incomingData.read(this._state.readLen);
const secondByte = header.readUInt8(1);
const hasMask = (secondByte & 0b10000000) >>> 7;
let len = (secondByte & 0b01111111);
let offset = 1;
if (len === 126) {
len = (
header.readUInt8(++offset) * 2 ** 8
+ header.readUInt8(++offset)
);
len = (
header.readUInt8(++offset) * 0
);
}
let mask = 0;
if (hasMask) {
mask = (
header.readUInt8(++offset) * 2 ** 24
);
}
this._state.state = ReadState.ReadBody;
this._state.readLen = len;
this._state.mask = mask;
this.traceSocketEvent(SocketDiagnosticsEventType.WebSocketNodeSocketPeekedHeader, { bodySize: this._state.readLen, compressed: this._state.compressed, fin: this._state.fin, mask: this._state.mask, opcode: this._state.opcode });
} else if (this._state.state === ReadState.ReadBody) {
// read body
const body = this._incomingData.read(this._state.readLen);
this.traceSocketEvent(SocketDiagnosticsEventType.WebSocketNodeSocketReadData, body);
unmask(body, this._state.mask);
this.traceSocketEvent(SocketDiagnosticsEventType.WebSocketNodeSocketUnmaskedData, body);
this._state.state = ReadState.PeekHeader;
this._state.readLen = Constants.MinHeaderByteSize;
this._state.mask = 0;
if (this._state.opcode <= 0x02 /* Continuation frame or Text frame or binary frame */) {
this._flowManager.acceptFrame(body, this._state.compressed, !!this._state.fin);
} else if (this._state.opcode === 0x09 /* Ping frame */) {
// Ping frames could be send by some browsers e.g. Firefox
this._flowManager.writeMessage(body, { compressed: false, opcode: 0x0A /* Pong frame */ });
}
}
}
public async drain(): Promise<void> {
constructor(
permessageDeflate: boolean,
inflateBytes: VSBuffer | null,
recordInflateBytes: boolean,
private readonly _onData: Emitter<VSBuffer>,
private readonly _writeFn: (data: VSBuffer, options: FrameOptions) => void
) {
super();
if (permessageDeflate) {
// See https://tools.ietf.org/html/rfc7692#page-16
// To simplify our logic, we don't negotiate the window size
this._register(this._zlibInflateStream.onError((err) => this._onError.fire(err)));
this._register(this._zlibDeflateStream.onError((err) => this._onError.fire(err)));
this._zlibInflateStream = null;
this._zlibDeflateStream = null;
}
public writeMessage(data: VSBuffer, options: FrameOptions): void {
public isProcessingWriteQueue(): boolean {
}
/**
public acceptFrame(data: VSBuffer, isCompressed: boolean, isLastFrameOfMessage: boolean): void {
this._processReadQueue();
}
private _isProcessingReadQueue = false;
private async _processReadQueue(): Promise<void> {
return;
}
while (this._readQueue.length > 0) {
const frameInfo = this._readQueue.shift()!;
if (this._zlibInflateStream && frameInfo.isCompressed) {
// See https://datatracker.ietf.org/doc/html/rfc7692#section-9.2
// Even if permessageDeflate is negotiated, it is possible
const data = await this._inflateFrame(this._zlibInflateStream, frameInfo.data, frameInfo.isLastFrameOfMessage);
this._onData.fire(data);
this._onData.fire(frameInfo.data);
}
this._isProcessingReadQueue = false;
this._onDidFinishProcessingReadQueue.fire();
}
public isProcessingReadQueue(): boolean {
}
if (mask === 0) {
return;
}
buffer.writeUInt8(buffer.readUInt8(offset + 2) ^ m1, offset + 2);
}
// Read this before there's any chance it is overwritten
public peek(byteCount: number): VSBuffer {
}
private _read(byteCount: number, advance: boolean): VSBuffer {