Method push

src/renderer/smb/netbios.ts:21–49

(chunk: Uint8Array)

  private buf = new Uint8Array(0);

  push(chunk: Uint8Array): NBMessage[] {
    // append
    const merged = new Uint8Array(this.buf.length + chunk.length);
    merged.set(this.buf);
    merged.set(chunk, this.buf.length);
    this.buf = merged;

    const out: NBMessage[] = [];
    while (this.buf.length >= 4) {
      const type = this.buf[0];
      // length is 17-bit: high bit of byte 1, then bytes 2-3 big-endian
      const len = ((this.buf[1] & 0x01) << 16) | (this.buf[2] << 8) | this.buf[3];
      const total = 4 + len;
      if (this.buf.length < total) break;

      const frame = this.buf.subarray(0, total);
      this.buf = this.buf.slice(total);

      if (type === NB_SESSION_REQUEST) {
        out.push({ type: NB_SESSION_REQUEST });
      } else if (type === NB_SESSION_MESSAGE) {
        out.push({ type: NB_SESSION_MESSAGE, payload: frame.slice(4) });
      } else if (type === NB_SESSION_KEEPALIVE) {
        out.push({ type: NB_SESSION_KEEPALIVE });
      }
      // anything else: drop
    }
    return out;
  }
}

export function nbPositiveResponse(): Uint8Array {