| // Copyright 2019 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 PATCHPANEL_ADB_PROXY_H_ |
| #define PATCHPANEL_ADB_PROXY_H_ |
| |
| #include <deque> |
| #include <memory> |
| |
| #include <base/files/file_descriptor_watcher_posix.h> |
| #include <base/files/scoped_file.h> |
| #include <base/memory/weak_ptr.h> |
| #include <brillo/daemons/dbus_daemon.h> |
| #include <dbus/bus.h> |
| |
| #include "patchpanel/message_dispatcher.h" |
| #include "patchpanel/socket.h" |
| #include "patchpanel/socket_forwarder.h" |
| |
| namespace patchpanel { |
| |
| // Running the proxy on port 5555 will cause ADBD to see it as an Android |
| // emulator rather than an attached device. This means, whenever host ADBD |
| // server runs a device named "emulator-5554" will show up. |
| // Connections to ARC via ADB (including by Tast) should now be done by |
| // starting ADB server (e.g. 'adb devices') instead of |
| // 'adb connect 127.0.0.1:5555' to avoid seeing multiple devices. |
| constexpr uint16_t kAdbProxyTcpListenPort = 5555; |
| |
| // Subprocess for proxying ADB traffic. |
| class AdbProxy : public brillo::DBusDaemon { |
| public: |
| explicit AdbProxy(base::ScopedFD control_fd); |
| AdbProxy(const AdbProxy&) = delete; |
| AdbProxy& operator=(const AdbProxy&) = delete; |
| |
| virtual ~AdbProxy(); |
| |
| protected: |
| int OnInit() override; |
| |
| void OnParentProcessExit(); |
| void OnGuestMessage(const GuestMessage& msg); |
| |
| private: |
| void InitialSetup(); |
| void Reset(); |
| void OnFileCanReadWithoutBlocking(); |
| |
| // Attempts to establish a connection to ADB at well-known destinations. |
| std::unique_ptr<Socket> Connect() const; |
| |
| // Start listening for ADB connection. Only listen when ARC guest is started |
| // and either Chrome OS is in developer mode or ADB sideloading is turned on. |
| void Listen(); |
| |
| // Checks ADB sideloading status and set it to |adb_sideloading_enabled_|. |
| // This function will call itself again if ADB sideloading status is not |
| // known yet. If ADB sideloading status is enabled and guest is started, |
| // start listening for connections. |
| void CheckAdbSideloadingStatus(int num_try); |
| |
| MessageDispatcher msg_dispatcher_; |
| std::unique_ptr<Socket> src_; |
| std::deque<std::unique_ptr<SocketForwarder>> fwd_; |
| std::unique_ptr<base::FileDescriptorWatcher::Controller> src_watcher_; |
| |
| GuestMessage::GuestType arc_type_; |
| uint32_t arcvm_vsock_cid_; |
| |
| bool dev_mode_enabled_; |
| bool adb_sideloading_enabled_; |
| |
| base::WeakPtrFactory<AdbProxy> weak_factory_{this}; |
| }; |
| |
| } // namespace patchpanel |
| |
| #endif // PATCHPANEL_ADB_PROXY_H_ |