bool?IsWifiDirectGroupOwner(AndroidDevice device)
// Is this guy the group owner of a Wifi Direct Group?
{
try {
// Example response:
// p2p0: ip 192.168.49.1 mask 255.255.255.0 flags [up broadcast running multicast]
CommandResultReceiver rcvr = new CommandResultReceiver();
AdbHelper.Instance.ExecuteRemoteCommand(AndroidDebugBridge.AdbServerSocketAddress, "ifconfig p2p0", device.SerialNumbers[0], rcvr);
string regex = $"p2p0: ip ({Device.RegExIpAddr}) mask {Device.RegExIpAddr} flags \\[([a-zA-Z ]*)\\]";
Match match = Regex.Match(rcvr.Result, regex, RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.Singleline);
if (match.Success && match.Groups[1].Value == AndroidDevice.WifiDirectIPAddress.ToString())
{
string[] splits = match.Groups[2].Value.ToLowerInvariant().Split(' ');
if (splits.Contains("up"))
{
return(true);
}
}
}
catch (Exception)
{
return(null);
}
return(false);
}
public AndroidDevice DisconnectedCopy()
{
AndroidDevice result = (AndroidDevice)this.MemberwiseClone();
result.database = null;
return(result);
}
void ReconnectToLastTCPIPDevice()
// Attempt to reconnect to the TCPIP device we last saw
{
lock (this.deviceConnectionLock)
{
if (this.lastTPCIPConnected != null)
{
string ipAddress = this.lastTPCIPConnected.IPAddressLastConnected ?? this.lastTPCIPConnected.WlanIpAddress;
int portNumber = adbdPort;
this.tracer.Trace($" reconnecting to {this.lastTPCIPConnected.UserIdentifier}:{this.lastTPCIPConnected.USBSerialNumber} on {ipAddress}");
if (AdbHelper.Instance.Connect(AndroidDebugBridge.AdbServerSocketAddress, ipAddress, portNumber))
{
// Ok, we connected. But is it the same guy? We'll have to check later. We
// snarf away a copy of the device so we'll be able to compare it's current
// state to what we find later; if we didn't copy, then this state could be
// tarnished by the 'update to latest connected devices' step.
NotifyReconnected(Resources.NotifyReconnected, this.lastTPCIPConnected.UserIdentifier, ipAddress);
this.reconnectionToVerify = this.lastTPCIPConnected.DisconnectedCopy();
this.lastTPCIPConnected.IPAddressLastConnected = ipAddress;
}
else
{
NotifyReconnected(Resources.NotifyReconnectedFail, this.lastTPCIPConnected.UserIdentifier, ipAddress);
this.lastTPCIPConnected.IPAddressLastConnected = null;
}
}
}
}
void RememberLastTCPIPDevice(AndroidDevice device, string ipAddress)
{
lock (this.deviceConnectionLock)
{
device.IPAddressLastConnected = ipAddress;
this.lastTPCIPConnected = device;
UpdateTrayStatus();
}
}
void ForgetLastTCPIPDevice()
{
lock (this.deviceConnectionLock)
{
if (this.lastTPCIPConnected != null)
{
this.lastTPCIPConnected = null;
UpdateTrayStatus();
}
}
}
bool SendTcpipCommandAndConnect(AndroidDevice device, string ipAddress)
{
bool result = false;
bool tcpipIssuedOk = true;
try {
// Restart the device listening on a port of interest. We don't know if he got there,
// as we get no response from the command issued.
this.tracer.Trace($" restarting {device.USBSerialNumber} adbd in TCPIP at {ipAddress}");
AdbHelper.Instance.TcpIp(AndroidDebugBridge.AdbServerSocketAddress, device.USBSerialNumber, adbdPort);
}
catch (Exception)
{
this.tracer.Trace($" restart of {device.USBSerialNumber} adbd failed");
tcpipIssuedOk = false;
}
if (tcpipIssuedOk)
{
// Give it a chance to restart. The actual time used here is a total guess, but
// it does seem to work. Mostly (?).
Thread.Sleep(1000);
// Connect to the TCPIP version of that device
this.tracer.Trace($" connecting to restarted {ipAddress} device");
if (AdbHelper.Instance.Connect(AndroidDebugBridge.AdbServerSocketAddress, ipAddress, adbdPort))
{
NotifyConnected(device, ipAddress);
// Remember to whom we last connected for later ADB Server restarts
RememberLastTCPIPDevice(device, ipAddress);
result = true;
}
}
if (!result)
{
this.tracer.Trace($" failed to connect to {ipAddress}:{adbdPort}");
NotifyDisconnected(device, ipAddress);
device.IPAddressLastConnected = null;
}
return(result);
}
//-----------------------------------------------------------------------------------------
// Operations
//-----------------------------------------------------------------------------------------
public AndroidDevice FromUSBSerialNumber(string usbSerialNumber)
{
if (string.IsNullOrEmpty(usbSerialNumber))
{
throw new System.ArgumentException($"'{nameof(usbSerialNumber)}' cannot be null or empty");
}
AndroidDevice result;
if (!this.mpUsbToDevice.TryGetValue(usbSerialNumber, out result))
{
result = new AndroidDevice(this)
{
USBSerialNumber = usbSerialNumber
};
this.mpUsbToDevice[usbSerialNumber] = result;
}
return(result);
}
public void UpdateFromDevicesConnectedToAdbServer(List <Device> devices)
{
foreach (AndroidDevice ad in this.mpUsbToDevice.Values)
{
ad.IsConnected = false;
ad.IsTCPIPOnLine = false;
ad.AdbEndpoints = new List <IPEndPoint>();
ad.SerialNumbers = new List <string>();
}
foreach (Device device in devices)
{
if (!string.IsNullOrEmpty(device.USBSerialNumber))
{
AndroidDevice ad = FromUSBSerialNumber(device.USBSerialNumber);
ad.IsConnected = true;
ad.WifiDirectName = device.WifiDirectName;
ad.WlanIpAddress = device.WlanIpAddress;
ad.WlanIsRunning = device.WlanIsRunning;
ad.SerialNumbers.Add(device.SerialNumber);
if (device.SerialNumberIsTCPIP)
{
string[] pieces = device.SerialNumber.Split(':');
ad.AdbEndpoints.Add(new IPEndPoint(IPAddress.Parse(pieces[0]), int.Parse(pieces[1])));
ad.IsTCPIPOnLine = device.IsOnline;
}
}
else
{
// We're hitting this occasionally, but we don't exactly know why. It seems like
// the Win32 notifications might be racing with the ADB server notifications: this
// only showed up on Bob's new super-duper-fast desktop.
//
// We really ought to track down what's happening. But for now, we'll just disable
// the USB-notification path, which was always redundant, anyway.
}
}
}
void NotifyConnected(AndroidDevice device, string ipAddress)
{
string format = ipAddress==AndroidDevice.WifiDirectIPAddress.ToString() ? Resources.NotifyConnectedWifiDirect : Resources.NotifyConnected;
NotifyConnectedMessage(format, device, ipAddress);
}
void NotifyNotPingable(AndroidDevice device)
{
NotifyMessage(string.Format(Resources.NotifyNotPingable, device.UserIdentifier, device.WlanIpAddress));
}
void NotifyWifiNotRunning(AndroidDevice device)
{
NotifyMessage(string.Format(Resources.NotifyWifiOff, device.UserIdentifier, device.WlanIpAddress));
}
void ReconnectToLastTCPIPDevice()
// Attempt to reconnect to the TCPIP device we last saw
{
lock (this.deviceConnectionLock)
{
if (this.lastTPCIPConnected != null)
{
string ipAddress = this.lastTPCIPConnected.IPAddressLastConnected ?? this.lastTPCIPConnected.WlanIpAddress;
int portNumber = adbdPort;
this.tracer.Trace($" reconnecting to {this.lastTPCIPConnected.UserIdentifier}:{this.lastTPCIPConnected.USBSerialNumber} on {ipAddress}");
if (AdbHelper.Instance.Connect(AndroidDebugBridge.AdbServerSocketAddress, ipAddress, portNumber))
{
// Ok, we connected. But is it the same guy? We'll have to check later. We
// snarf away a copy of the device so we'll be able to compare it's current
// state to what we find later; if we didn't copy, then this state could be
// tarnished by the 'update to latest connected devices' step.
NotifyReconnected(Resources.NotifyReconnected, this.lastTPCIPConnected.UserIdentifier, ipAddress);
this.reconnectionToVerify = this.lastTPCIPConnected.DisconnectedCopy();
this.lastTPCIPConnected.IPAddressLastConnected = ipAddress;
}
else
{
NotifyReconnected(Resources.NotifyReconnectedFail, this.lastTPCIPConnected.UserIdentifier, ipAddress);
this.lastTPCIPConnected.IPAddressLastConnected = null;
}
}
}
}
bool SendTcpipCommandAndConnect(AndroidDevice device, string ipAddress)
{
bool result = false;
bool tcpipIssuedOk = true;
try {
// Restart the device listening on a port of interest. We don't know if he got there,
// as we get no response from the command issued.
this.tracer.Trace($" restarting {device.USBSerialNumber} adbd in TCPIP at {ipAddress}");
AdbHelper.Instance.TcpIp(AndroidDebugBridge.AdbServerSocketAddress, device.USBSerialNumber, adbdPort);
}
catch (Exception)
{
this.tracer.Trace($" restart of {device.USBSerialNumber} adbd failed");
tcpipIssuedOk = false;
}
if (tcpipIssuedOk)
{
// Give it a chance to restart. The actual time used here is a total guess, but
// it does seem to work. Mostly (?).
Thread.Sleep(1000);
// Connect to the TCPIP version of that device
this.tracer.Trace($" connecting to restarted {ipAddress} device");
if (AdbHelper.Instance.Connect(AndroidDebugBridge.AdbServerSocketAddress, ipAddress, adbdPort))
{
NotifyConnected(device, ipAddress);
// Remember to whom we last connected for later ADB Server restarts
RememberLastTCPIPDevice(device, ipAddress);
result = true;
}
}
if (!result)
{
this.tracer.Trace($" failed to connect to {ipAddress}:{adbdPort}");
NotifyDisconnected(device, ipAddress);
device.IPAddressLastConnected = null;
}
return result;
}
void NotifyNotPingable(AndroidDevice device)
{
NotifyMessage(string.Format(Resources.NotifyNotPingable, device.UserIdentifier, device.WlanIpAddress));
}
bool?EnsureUSBConnectedDevicesAreOnTCPIP(string reason)
// Iterate over all the extant Android devices (that ADB knows about) and make sure that each
// one of them is listening on TCPIP. This method is idempotent, so you can call it as often
// and as frequently as you like. Answer as to whether there were any devices known about by
// the ADB server.
{
// Don't actually do anything if the user has asked us not to
if (!this.armed)
{
return(null);
}
bool serverKnowsAboutAnyDevices = false;
// We synchronize for paranoid reasons: we're not SURE we can be be called on
// a whole range of threads, possibly simultaneously, but why take the chance?
lock (this.deviceConnectionLock)
{
this.tracer.Trace($"v-----EnsureAdbDevicesAreOnTCPIP({reason})-----v");
// Get ourselves the list of devices that ADB currently knows about
List <Device> devicesConnectedToAdbServer = AdbHelper.Instance.GetDevices(AndroidDebugBridge.AdbServerSocketAddress);
this.androidDeviceDatabase.UpdateFromDevicesConnectedToAdbServer(devicesConnectedToAdbServer);
// Do a bit of tracing
foreach (Device device in devicesConnectedToAdbServer)
{
this.tracer.Trace($" usb:{device.USBSerialNumber} ipAddress:{device.WlanIpAddress} wifi:{(device.WlanIsRunning?"on":"off")} serial:{device.SerialNumber}");
}
this.tracer.Trace($"---------------------------------");
foreach (AndroidDevice device in this.androidDeviceDatabase.ConnectedDevices)
{
this.tracer.Trace($" usb:{device.USBSerialNumber} ipAddress:{device.WlanIpAddress} wifi:{(device.WlanIsRunning?"on":"off")} connected:{device.IsAdbConnectedOnTcpip}");
}
// Iterate over what's currently connected to ADB
//
AndroidDevice potentialLastDevice = null;
bool connectedAny = false;
bool wifiDirectAddrInUse = this.androidDeviceDatabase.IsWifiDirectIPAddressConnected;
foreach (AndroidDevice device in this.androidDeviceDatabase.ConnectedDevices)
{
// Yes, the server knows about some devices
serverKnowsAboutAnyDevices = true;
if (device.IsAdbConnectedOnTcpip)
{
// ADB has a TCPIP connection for him; we're not going to add one
//
potentialLastDevice = potentialLastDevice ?? device;
if (this.reconnectionToVerify != null)
{
// Is this the address we reconnected on?
if (this.reconnectionToVerify.WlanIpAddress == device.WlanIpAddress)
{
// Did we reconnect to the same device?
if (this.reconnectionToVerify.USBSerialNumber == device.USBSerialNumber)
{
// All is well
this.tracer.Trace($" verify reconnected: all good: {this.reconnectionToVerify.WlanIpAddress} is still {device.USBSerialNumber}");
}
else
{
// We reconnected to him, but he's the wrong guy. Disconnect.
this.tracer.Trace($" verify reconnected: fail: {this.reconnectionToVerify.WlanIpAddress}: got: {device.USBSerialNumber} expected: {this.reconnectionToVerify.USBSerialNumber}; disconnecting");
AdbHelper.Instance.Disconnect(AndroidDebugBridge.AdbServerSocketAddress, device.WlanIpAddress, adbdPort);
NotifyReconnected(Resources.NotifyReconnectedFail, device.UserIdentifier, device.WlanIpAddress);
// If we're *still* porentially reconnecting to that same guy, stop that
if (this.lastTPCIPConnected != null && this.lastTPCIPConnected.USBSerialNumber == this.reconnectionToVerify.USBSerialNumber)
{
ForgetLastTCPIPDevice();
}
// And he's no longer a potential *later* reconnection
if (potentialLastDevice == device)
{
potentialLastDevice = null;
}
}
// Verification of reconnection is complete
this.reconnectionToVerify = null;
}
}
}
else
{
// ADB doesn't already have a TCPIP connection for him. We'll try to make one if we can.
//
// Can we reach him over WifiDirect?
if (!wifiDirectAddrInUse &&
IsPingable(AndroidDevice.WifiDirectIPAddress) &&
(IsWifiDirectGroupOwner(device) ?? false) &&
SendTcpipCommandAndConnect(device, AndroidDevice.WifiDirectIPAddress))
{
this.tracer.Trace($"connected to {device.UserIdentifier} over WifiDirect!");
wifiDirectAddrInUse = true;
connectedAny = true;
}
else if (string.IsNullOrEmpty(device.WlanIpAddress))
{
NotifyNoIpAddress(device);
}
else if (!device.WlanIsRunning)
{
NotifyWifiNotRunning(device);
}
else
{
// He's not already connected on an IP network. But can we reach him?
if (IsPingable(device.WlanIpAddress))
{
// Connect to him
if (SendTcpipCommandAndConnect(device, device.WlanIpAddress))
{
connectedAny = true;
}
}
else
{
NotifyNotPingable(device);
}
}
}
}
// If we didn't do any connection here, remember something that ADB is ALREADY
// connected to as a potential reconnection target for later
if (!connectedAny && potentialLastDevice != null)
{
RememberLastTCPIPDevice(potentialLastDevice, potentialLastDevice.IPAddressLastConnected ?? potentialLastDevice.WlanIpAddress);
}
this.tracer.Trace($"^-----EnsureAdbDevicesAreOnTCPIP({reason})-----^");
}
return(serverKnowsAboutAnyDevices);
}
bool SendTcpipCommandAndConnect(AndroidDevice device, IPAddress ipAddress)
{
return(SendTcpipCommandAndConnect(device, ipAddress.ToString()));
}
void RememberLastTCPIPDevice(AndroidDevice device, string ipAddress)
{
lock (this.deviceConnectionLock)
{
device.IPAddressLastConnected = ipAddress;
this.lastTPCIPConnected = device;
UpdateTrayStatus();
}
}
void NotifyConnectedMessage(string format, AndroidDevice device, string ipAddress)
{
NotifyMessage(string.Format(format, device.UserIdentifier, ipAddress));
}
void NotifyDisconnected(AndroidDevice device, string ipAddress)
{
string format = Resources.NotifyConnectedFail;
NotifyConnectedMessage(format, device, ipAddress);
}
void NotifyConnected(AndroidDevice device, string ipAddress)
{
string format = ipAddress == AndroidDevice.WifiDirectIPAddress.ToString() ? Resources.NotifyConnectedWifiDirect : Resources.NotifyConnected;
NotifyConnectedMessage(format, device, ipAddress);
}
void NotifyDisconnected(AndroidDevice device, string ipAddress)
{
string format = Resources.NotifyConnectedFail;
NotifyConnectedMessage(format, device, ipAddress);
}
bool? IsWifiDirectGroupOwner(AndroidDevice device)
// Is this guy the group owner of a Wifi Direct Group?
{
try {
// Example response:
// p2p0: ip 192.168.49.1 mask 255.255.255.0 flags [up broadcast running multicast]
CommandResultReceiver rcvr = new CommandResultReceiver();
AdbHelper.Instance.ExecuteRemoteCommand(AndroidDebugBridge.AdbServerSocketAddress, "ifconfig p2p0", device.SerialNumbers[0], rcvr);
string regex=$"p2p0: ip ({Device.RegExIpAddr}) mask {Device.RegExIpAddr} flags \\[([a-zA-Z ]*)\\]";
Match match = Regex.Match(rcvr.Result, regex, RegexOptions.Compiled|RegexOptions.IgnoreCase|RegexOptions.Singleline);
if (match.Success && match.Groups[1].Value==AndroidDevice.WifiDirectIPAddress.ToString())
{
string[] splits = match.Groups[2].Value.ToLowerInvariant().Split(' ');
if (splits.Contains("up"))
{
return true;
}
}
}
catch (Exception)
{
return null;
}
return false;
}
void NotifyConnectedMessage(string format, AndroidDevice device, string ipAddress)
{
NotifyMessage(string.Format(format, device.UserIdentifier, ipAddress));
}
bool SendTcpipCommandAndConnect(AndroidDevice device, IPAddress ipAddress)
{
return SendTcpipCommandAndConnect(device, ipAddress.ToString());
}
void ForgetLastTCPIPDevice()
{
lock (this.deviceConnectionLock)
{
if (this.lastTPCIPConnected != null)
{
this.lastTPCIPConnected = null;
UpdateTrayStatus();
}
}
}
void NotifyWifiNotRunning(AndroidDevice device)
{
NotifyMessage(string.Format(Resources.NotifyWifiOff, device.UserIdentifier, device.WlanIpAddress));
}
//-----------------------------------------------------------------------------------------
// Operations
//-----------------------------------------------------------------------------------------
public AndroidDevice FromUSBSerialNumber(string usbSerialNumber)
{
if (string.IsNullOrEmpty(usbSerialNumber))
throw new System.ArgumentException($"'{nameof(usbSerialNumber)}' cannot be null or empty");
AndroidDevice result;
if (!this.mpUsbToDevice.TryGetValue(usbSerialNumber, out result))
{
result = new AndroidDevice(this) { USBSerialNumber = usbSerialNumber };
this.mpUsbToDevice[usbSerialNumber] = result;
}
return result;
}
bool? EnsureUSBConnectedDevicesAreOnTCPIP(string reason)
// Iterate over all the extant Android devices (that ADB knows about) and make sure that each
// one of them is listening on TCPIP. This method is idempotent, so you can call it as often
// and as frequently as you like. Answer as to whether there were any devices known about by
// the ADB server.
{
// Don't actually do anything if the user has asked us not to
if (!this.armed)
return null;
bool serverKnowsAboutAnyDevices = false;
// We synchronize for paranoid reasons: we're not SURE we can be be called on
// a whole range of threads, possibly simultaneously, but why take the chance?
lock (this.deviceConnectionLock)
{
this.tracer.Trace($"v-----EnsureAdbDevicesAreOnTCPIP({reason})-----v");
// Get ourselves the list of devices that ADB currently knows about
List<Device> devicesConnectedToAdbServer = AdbHelper.Instance.GetDevices(AndroidDebugBridge.AdbServerSocketAddress);
this.androidDeviceDatabase.UpdateFromDevicesConnectedToAdbServer(devicesConnectedToAdbServer);
// Do a bit of tracing
foreach (Device device in devicesConnectedToAdbServer)
{
this.tracer.Trace($" usb:{device.USBSerialNumber} ipAddress:{device.WlanIpAddress} wifi:{(device.WlanIsRunning?"on":"off")} serial:{device.SerialNumber}");
}
this.tracer.Trace($"---------------------------------");
foreach (AndroidDevice device in this.androidDeviceDatabase.ConnectedDevices)
{
this.tracer.Trace($" usb:{device.USBSerialNumber} ipAddress:{device.WlanIpAddress} wifi:{(device.WlanIsRunning?"on":"off")} connected:{device.IsAdbConnectedOnTcpip}");
}
// Iterate over what's currently connected to ADB
//
AndroidDevice potentialLastDevice = null;
bool connectedAny = false;
bool wifiDirectAddrInUse = this.androidDeviceDatabase.IsWifiDirectIPAddressConnected;
foreach (AndroidDevice device in this.androidDeviceDatabase.ConnectedDevices)
{
// Yes, the server knows about some devices
serverKnowsAboutAnyDevices = true;
if (device.IsAdbConnectedOnTcpip)
{
// ADB has a TCPIP connection for him; we're not going to add one
//
potentialLastDevice = potentialLastDevice ?? device;
if (this.reconnectionToVerify != null)
{
// Is this the address we reconnected on?
if (this.reconnectionToVerify.WlanIpAddress == device.WlanIpAddress)
{
// Did we reconnect to the same device?
if (this.reconnectionToVerify.USBSerialNumber == device.USBSerialNumber)
{
// All is well
this.tracer.Trace($" verify reconnected: all good: {this.reconnectionToVerify.WlanIpAddress} is still {device.USBSerialNumber}");
}
else
{
// We reconnected to him, but he's the wrong guy. Disconnect.
this.tracer.Trace($" verify reconnected: fail: {this.reconnectionToVerify.WlanIpAddress}: got: {device.USBSerialNumber} expected: {this.reconnectionToVerify.USBSerialNumber}; disconnecting");
AdbHelper.Instance.Disconnect(AndroidDebugBridge.AdbServerSocketAddress, device.WlanIpAddress, adbdPort);
NotifyReconnected(Resources.NotifyReconnectedFail, device.UserIdentifier, device.WlanIpAddress);
// If we're *still* porentially reconnecting to that same guy, stop that
if (this.lastTPCIPConnected != null && this.lastTPCIPConnected.USBSerialNumber == this.reconnectionToVerify.USBSerialNumber)
{
ForgetLastTCPIPDevice();
}
// And he's no longer a potential *later* reconnection
if (potentialLastDevice == device)
potentialLastDevice = null;
}
// Verification of reconnection is complete
this.reconnectionToVerify = null;
}
}
}
else
{
// ADB doesn't already have a TCPIP connection for him. We'll try to make one if we can.
//
// Can we reach him over WifiDirect?
if (!wifiDirectAddrInUse
&& IsPingable(AndroidDevice.WifiDirectIPAddress)
&& (IsWifiDirectGroupOwner(device) ?? false)
&& SendTcpipCommandAndConnect(device, AndroidDevice.WifiDirectIPAddress))
{
this.tracer.Trace($"connected to {device.UserIdentifier} over WifiDirect!");
wifiDirectAddrInUse = true;
connectedAny = true;
}
else if (string.IsNullOrEmpty(device.WlanIpAddress))
{
NotifyNoIpAddress(device);
}
else if (!device.WlanIsRunning)
{
NotifyWifiNotRunning(device);
}
else
{
// He's not already connected on an IP network. But can we reach him?
if (IsPingable(device.WlanIpAddress))
{
// Connect to him
if (SendTcpipCommandAndConnect(device, device.WlanIpAddress))
{
connectedAny = true;
}
}
else
NotifyNotPingable(device);
}
}
}
// If we didn't do any connection here, remember something that ADB is ALREADY
// connected to as a potential reconnection target for later
if (!connectedAny && potentialLastDevice != null)
{
RememberLastTCPIPDevice(potentialLastDevice, potentialLastDevice.IPAddressLastConnected ?? potentialLastDevice.WlanIpAddress);
}
this.tracer.Trace($"^-----EnsureAdbDevicesAreOnTCPIP({reason})-----^");
}
return serverKnowsAboutAnyDevices;
}
