| // Copyright 2020 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef LORGNETTE_IPPUSB_DEVICE_H_ |
| #define LORGNETTE_IPPUSB_DEVICE_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include <base/optional.h> |
| #include <lorgnette/proto_bindings/lorgnette_service.pb.h> |
| |
| namespace lorgnette { |
| |
| // Convert an ippusb backend name to a real backend string, e.g. |
| // ippusb:escl:Device:1234_5678/eSCL/ to |
| // airscan:escl:Device:unix://1234-5678.sock/eSCL/. In the process, checks for |
| // a matching ippusb_bridge socket, but does not make a connection to the |
| // bridge. Return base::nullopt if the device can't be found or an error occurs |
| // waiting for the socket. |
| base::Optional<std::string> BackendForDevice(const std::string& device_name); |
| |
| // Get a list of potential eSCL-over-USB devices attached to the system. Each |
| // returned device will be a printer that claims to support IPP-USB, but they |
| // are not probed for eSCL support. The caller must double-check returned |
| // devices before using them to scan. |
| std::vector<ScannerInfo> FindIppUsbDevices(); |
| |
| } // namespace lorgnette |
| |
| #endif // LORGNETTE_IPPUSB_DEVICE_H_ |
