Method setstat

lib/protocol/SFTP.js:1063–1112

(path, attrs, cb)

    );
  }
  setstat(path, attrs, cb) {
    if (this.server)
      throw new Error('Client-only method called in server mode');

    let flags = 0;
    let attrsLen = 0;

    if (typeof attrs === 'object' && attrs !== null) {
      attrs = attrsToBytes(attrs);
      flags = attrs.flags;
      attrsLen = attrs.nb;
    } else if (typeof attrs === 'function') {
      cb = attrs;
    }

    /*
      uint32     id
      string     path
      ATTRS      attrs
    */
    const pathLen = Buffer.byteLength(path);
    let p = 9;
    const buf = Buffer.allocUnsafe(4 + 1 + 4 + 4 + pathLen + 4 + attrsLen);

    writeUInt32BE(buf, buf.length - 4, 0);
    buf[4] = REQUEST.SETSTAT;
    const reqid = this._writeReqid = (this._writeReqid + 1) & MAX_REQID;
    writeUInt32BE(buf, reqid, 5);

    writeUInt32BE(buf, pathLen, p);
    buf.utf8Write(path, p += 4, pathLen);
    writeUInt32BE(buf, flags, p += pathLen);
    if (attrsLen) {
      p += 4;

      if (attrsLen === ATTRS_BUF.length)
        buf.set(ATTRS_BUF, p);
      else
        bufferCopy(ATTRS_BUF, buf, 0, attrsLen, p);

      p += attrsLen;
    }

    this._requests[reqid] = { cb };

    const isBuffered = sendOrBuffer(this, buf);
    this._debug && this._debug(
      `SFTP: Outbound: ${isBuffered ? 'Buffered' : 'Sending'} SETSTAT`
    );
  }
  fsetstat(handle, attrs, cb) {
    if (this.server)
      throw new Error('Client-only method called in server mode');