private async Task HandleData(Encoding encoding, CancellationToken ct)
{
try
{
using (StreamReader reader = new StreamReader(_sock.GetShellStream(), encoding))
{
// Previously, we would loop while reader.Peek() >= 0. Turns out that this would
// break too soon in certain cases (about every 10 loops, so it appears to be a timing
// issue). Checking for reader.ReadLine() to return null appears to be much more robust
// -- one of the integration test fetches output 1000 times and found no truncations.
while (!ct.IsCancellationRequested)
{
var line = await reader.ReadLineAsync().ConfigureAwait(false);
if (line == null)
{
break;
}
_outputBlock.Post(encoding.GetBytes(line));
}
}
}
catch (Exception e)
{
// If a cancellation was requested, this main loop is interrupted with an exception
// because the socket is closed. In that case, we don't need to throw a ShellCommandUnresponsiveException.
// In all other cases, something went wrong, and we want to report it to the user.
if (!ct.IsCancellationRequested)
{
throw new ShellCommandUnresponsiveException(e);
}
}
}
/// <inheritdoc/>
public async Task RunLogServiceAsync(DeviceData device, Action <LogEntry> messageSink, CancellationToken cancellationToken, params LogId[] logNames)
{
if (messageSink == null)
{
throw new ArgumentException(nameof(messageSink));
}
this.EnsureDevice(device);
// The 'log' service has been deprecated, see
// https://android.googlesource.com/platform/system/core/+/7aa39a7b199bb9803d3fd47246ee9530b4a96177
using (IAdbSocket socket = this.adbSocketFactory(this.EndPoint))
{
this.SetDevice(socket, device);
StringBuilder request = new StringBuilder();
request.Append("shell:logcat -B");
foreach (var logName in logNames)
{
request.Append($" -b {logName.ToString().ToLowerInvariant()}");
}
socket.SendAdbRequest(request.ToString());
var response = socket.ReadAdbResponse();
using (Stream stream = socket.GetShellStream())
{
LogReader reader = new LogReader(stream);
while (!cancellationToken.IsCancellationRequested)
{
LogEntry entry = null;
try
{
entry = await reader.ReadEntry(cancellationToken).ConfigureAwait(false);
}
catch (EndOfStreamException)
{
// This indicates the end of the stream; the entry will remain null.
}
if (entry != null)
{
messageSink(entry);
}
else
{
break;
}
}
}
}
}
/// <inheritdoc/>
public async Task ExecuteRemoteCommandAsync(string command, DeviceData device, IShellOutputReceiver receiver, CancellationToken cancellationToken, int maxTimeToOutputResponse)
{
this.EnsureDevice(device);
using (IAdbSocket socket = this.adbSocketFactory(this.EndPoint))
{
cancellationToken.Register(() => socket.Dispose());
this.SetDevice(socket, device);
socket.SendAdbRequest($"shell:{command}");
var response = socket.ReadAdbResponse();
try
{
using (StreamReader reader = new StreamReader(socket.GetShellStream(), Encoding))
{
// Previously, we would loop while reader.Peek() >= 0. Turns out that this would
// break too soon in certain cases (about every 10 loops, so it appears to be a timing
// issue). Checking for reader.ReadLine() to return null appears to be much more robust
// -- one of the integration test fetches output 1000 times and found no truncations.
while (!cancellationToken.IsCancellationRequested)
{
var line = await reader.ReadLineAsync().ConfigureAwait(false);
if (line == null)
{
break;
}
if (receiver != null)
{
receiver.AddOutput(line);
}
}
}
}
catch (Exception e)
{
// If a cancellation was requested, this main loop is interrupted with an exception
// because the socket is closed. In that case, we don't need to throw a ShellCommandUnresponsiveException.
// In all other cases, something went wrong, and we want to report it to the user.
if (!cancellationToken.IsCancellationRequested)
{
throw new ShellCommandUnresponsiveException(e);
}
}
finally
{
if (receiver != null)
{
receiver.Flush();
}
}
}
}
public async Task <IPropagatorBlock <byte[], byte[]> > ExecuteRemoteCommandAsyncBlock(string cmd, DeviceData d, CancellationToken ct, int maxTimeToOutputResponse, Encoding encoding)
{
this.EnsureDevice(d);
using (IAdbSocket sock = this.GetSocket())
{
this.SetDevice(sock, d);
uint streamId = 1;
sock.SendAdbRequest($"shell:{cmd}");
var ss = sock.GetShellStream();
var stream = new AdbLocalStream(sock, streamId, encoding, ct);
//OpenStreams.Add(streamId, stream);
return(stream.Block);
}
}
/// <inheritdoc/>
public IEnumerable <LogEntry> RunLogService(DeviceData device, params LogId[] logNames)
{
this.EnsureDevice(device);
// The 'log' service has been deprecated, see
// https://android.googlesource.com/platform/system/core/+/7aa39a7b199bb9803d3fd47246ee9530b4a96177
using (IAdbSocket socket = Factories.AdbSocketFactory(this.EndPoint))
{
this.SetDevice(socket, device);
StringBuilder request = new StringBuilder();
request.Append("shell:logcat -B");
foreach (var logName in logNames)
{
request.Append($" -b {logName.ToString().ToLower()}");
}
socket.SendAdbRequest(request.ToString());
var response = socket.ReadAdbResponse();
using (Stream stream = socket.GetShellStream())
using (LogReader reader = new LogReader(stream))
{
while (true)
{
LogEntry entry = null;
try
{
entry = reader.ReadEntry();
}
catch (EndOfStreamException)
{
// This indicates the end of the stream; the entry will remain null.
}
if (entry != null)
{
yield return(entry);
}
else
{
break;
}
}
}
}
}
public AdbLocalStream(IAdbSocket sock, uint localId, Encoding encoding, CancellationToken ct)
{
_sock = sock;
_oStream = sock.GetShellStream();
_outputBlock = new BufferBlock <byte[]>();
_inputBlock = new ActionBlock <byte[]>(bytes =>
{
var buff = Command.CreateWriteCommand(LocalId, RemoteId, bytes);
OnWriting?.Invoke(this, EventArgs.Empty);
if (RemoteId == 0)
{
throw new Exception("Remote stream not established yet!");
}
_sock.Send(buff, buff.Length);
});
Block = DataflowBlock.Encapsulate(_inputBlock, _outputBlock);
HandleData(encoding, ct).ConfigureAwait(false);
}
