Method run

deps/undici/undici.js:15462–15611

* Runs whenever a new chunk is received. * Callback is called whenever there are no more chunks buffering, * or not enough bytes are buffered to parse.

(callback)

       * or not enough bytes are buffered to parse.
       */
      run(callback) {
        while (this.#loop) {
          if (this.#state === parserStates.INFO) {
            if (this.#byteOffset < 2) {
              return callback();
            }
            const buffer = this.consume(2);
            const fin = (buffer[0] & 128) !== 0;
            const opcode = buffer[0] & 15;
            const masked = (buffer[1] & 128) === 128;
            const fragmented = !fin && opcode !== opcodes.CONTINUATION;
            const payloadLength = buffer[1] & 127;
            const rsv1 = buffer[0] & 64;
            const rsv2 = buffer[0] & 32;
            const rsv3 = buffer[0] & 16;
            if (!isValidOpcode(opcode)) {
              failWebsocketConnection(this.#handler, 1002, "Invalid opcode received");
              return callback();
            }
            if (masked) {
              failWebsocketConnection(this.#handler, 1002, "Frame cannot be masked");
              return callback();
            }
            if (rsv1 !== 0 && !this.#extensions.has("permessage-deflate")) {
              failWebsocketConnection(this.#handler, 1002, "Expected RSV1 to be clear.");
              return;
            }
            if (rsv2 !== 0 || rsv3 !== 0) {
              failWebsocketConnection(this.#handler, 1002, "RSV1, RSV2, RSV3 must be clear");
              return;
            }
            if (fragmented && !isTextBinaryFrame(opcode)) {
              failWebsocketConnection(this.#handler, 1002, "Invalid frame type was fragmented.");
              return;
            }
            if (isTextBinaryFrame(opcode) && this.#fragments.length > 0) {
              failWebsocketConnection(this.#handler, 1002, "Expected continuation frame");
              return;
            }
            if (this.#info.fragmented && fragmented) {
              failWebsocketConnection(this.#handler, 1002, "Fragmented frame exceeded 125 bytes.");
              return;
            }
            if ((payloadLength > 125 || fragmented) && isControlFrame(opcode)) {
              failWebsocketConnection(this.#handler, 1002, "Control frame either too large or fragmented");
              return;
            }
            if (isContinuationFrame(opcode) && this.#fragments.length === 0 && !this.#info.compressed) {
              failWebsocketConnection(this.#handler, 1002, "Unexpected continuation frame");
              return;
            }
            if (payloadLength <= 125) {
              this.#info.payloadLength = payloadLength;
              this.#state = parserStates.READ_DATA;
              if (!this.#validatePayloadLength()) {
                return;
              }
            } else if (payloadLength === 126) {