/// <summary>
/// tells adb to talk to a specific device
/// </summary>
/// <param name="adbChan"> the socket connection to adb </param>
/// <param name="device"> The device to talk to. </param>
/// <exception cref="TimeoutException"> in case of timeout on the connection. </exception>
/// <exception cref="AdbCommandRejectedException"> if adb rejects the command </exception>
/// <exception cref="IOException"> in case of I/O error on the connection. </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: static void setDevice(java.nio.channels.SocketChannel adbChan, IDevice device) throws TimeoutException, AdbCommandRejectedException, java.io.IOException
internal static void setDevice(SocketChannel adbChan, IDevice device)
{
// if the device is not -1, then we first tell adb we're looking to talk
// to a specific device
if (device != null)
{
string msg = "host:transport:" + device.serialNumber; //$NON-NLS-1$
var device_query = formAdbRequest(msg);
write(adbChan, device_query);
AdbResponse resp = readAdbResponse(adbChan, false); // readDiagString
if (resp.okay == false)
{
throw new AdbCommandRejectedException(resp.message, true); //errorDuringDeviceSelection
}
}
}
/// <summary>
/// Closes the connection.
/// </summary>
public void close()
{
if (mChannel != null)
{
try
{
mChannel.close();
}
catch (IOException)
{
// nothing to be done really...
}
mChannel = null;
}
}
/// <summary>
/// Write until all data in "data" is written or the connection fails or times out.
/// <p/>This uses the default time out value. </summary>
/// <param name="chan"> the opened socket to write to. </param>
/// <param name="data"> the buffer to send. </param>
/// <exception cref="TimeoutException"> in case of timeout on the connection. </exception>
/// <exception cref="IOException"> in case of I/O error on the connection. </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: static void write(java.nio.channels.SocketChannel chan, byte[] data) throws TimeoutException, java.io.IOException
internal static void write(SocketChannel chan, byte[] data)
{
write(chan, data, -1, DdmPreferences.timeOut);
}
/// <summary>
/// Write until all data in "data" is written, the optional length is reached,
/// the timeout expires, or the connection fails. Returns "true" if all
/// data was written. </summary>
/// <param name="chan"> the opened socket to write to. </param>
/// <param name="data"> the buffer to send. </param>
/// <param name="length"> the length to write or -1 to send the whole buffer. </param>
/// <param name="timeout"> The timeout value. A timeout of zero means "wait forever". </param>
/// <exception cref="TimeoutException"> in case of timeout on the connection. </exception>
/// <exception cref="IOException"> in case of I/O error on the connection. </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: static void write(java.nio.channels.SocketChannel chan, byte[] data, int length, int timeout) throws TimeoutException, java.io.IOException
internal static void write(SocketChannel chan, byte[] data, int length, int timeout)
{
ByteBuffer buf = ByteBuffer.wrap(data, 0, length != -1 ? length : data.Length);
int numWaits = 0;
while (buf.position != buf.limit)
{
int count;
count = chan.write(buf);
if (count < 0)
{
Log.d("ddms", "write: channel EOF");
throw new IOException("channel EOF");
}
else if (count == 0)
{
// TODO: need more accurate timeout?
if (timeout != 0 && numWaits * WAIT_TIME > timeout)
{
Log.d("ddms", "write: timeout");
throw new TimeoutException();
}
// non-blocking spin
Thread.Sleep(WAIT_TIME);
numWaits++;
}
else
{
numWaits = 0;
}
}
}
/// <summary>
/// Fills a buffer from a socket. </summary>
/// <param name="socket"> </param>
/// <param name="buffer"> </param>
/// <returns> the content of the buffer as a string, or null if it failed to convert the buffer. </returns>
/// <exception cref="IOException"> </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private String read(java.nio.channels.SocketChannel socket, byte[] buffer) throws java.io.IOException
private string read(SocketChannel socket, byte[] buffer)
{
ByteBuffer buf = ByteBuffer.wrap(buffer, 0, buffer.Length);
while (buf.position != buf.limit)
{
int count;
count = socket.read(buf);
if (count < 0)
{
throw new IOException("EOF");
}
}
try
{
return buffer.getString(0, buf.position, AdbHelper.DEFAULT_ENCODING);
}
catch (ArgumentException)
{
// we'll return null below.
}
return null;
}
/// <summary>
/// Reads the response from ADB after a command. </summary>
/// <param name="chan"> The socket channel that is connected to adb. </param>
/// <param name="readDiagString"> If true, we're expecting an OKAY response to be
/// followed by a diagnostic string. Otherwise, we only expect the
/// diagnostic string to follow a FAIL. </param>
/// <exception cref="TimeoutException"> in case of timeout on the connection. </exception>
/// <exception cref="IOException"> in case of I/O error on the connection. </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: static AdbResponse readAdbResponse(java.nio.channels.SocketChannel chan, boolean readDiagString) throws TimeoutException, java.io.IOException
internal static AdbResponse readAdbResponse(SocketChannel chan, bool readDiagString)
{
AdbResponse resp = new AdbResponse();
var reply = new byte[4];
read(chan, reply);
if (isOkay(reply))
{
resp.okay = true;
}
else
{
readDiagString = true; // look for a reason after the FAIL
resp.okay = false;
}
// not a loop -- use "while" so we can use "break"
try
{
while (readDiagString)
{
// length string is in next 4 bytes
var lenBuf = new byte[4];
read(chan, lenBuf);
string lenStr = replyToString(lenBuf);
int len;
try
{
len = Convert.ToInt32(lenStr, 16);
}
catch (SystemException)
{
Log.w("ddms", "Expected digits, got '" + lenStr + "': " + lenBuf[0] + " " + lenBuf[1] + " " + lenBuf[2] + " " + lenBuf[3]);
Log.w("ddms", "reply was " + replyToString(reply));
break;
}
var msg = new byte[len];
read(chan, msg);
resp.message = replyToString(msg);
Log.v("ddms", "Got reply '" + replyToString(reply) + "', diag='" + resp.message + "'");
break;
}
}
catch (Exception)
{
// ignore those, since it's just reading the diagnose string, the response will
// contain okay==false anyway.
}
return resp;
}
/// <summary>
/// Create an object for a new client connection.
/// </summary>
/// <param name="device"> the device this client belongs to </param>
/// <param name="chan"> the connected <seealso cref="SocketChannel"/>. </param>
/// <param name="pid"> the client pid. </param>
internal Client(Device device, SocketChannel chan, int pid)
{
mDevice = device;
mChan = chan;
mReadBuffer = ByteBuffer.allocate(INITIAL_BUF_SIZE);
mWriteBuffer = ByteBuffer.allocate(WRITE_BUF_SIZE);
mOutstandingReqs = new Dictionary<int?, ChunkHandler>();
mConnState = ST_INIT;
mClientData = new ClientData(pid);
mThreadUpdateEnabled = DdmPreferences.initialThreadUpdate;
mHeapUpdateEnabled = DdmPreferences.initialHeapUpdate;
}
/// <summary>
/// Accept a new connection from the specified listen channel. This
/// is so we can listen on a dedicated port for the "current" client,
/// where "current" is constantly in flux.
///
/// Must be synchronized with other uses of mChannel and mPreBuffer.
///
/// Returns "null" if we're already talking to somebody.
/// </summary>
internal SocketChannel accept(ServerSocketChannel listenChan)
{
if(listenChan != null)
{
SocketChannel newChan;
newChan = listenChan.accept();
if(mChannel != null)
{
Log.w("ddms", "debugger already talking to " + mClient + " on " + mListenPort);
newChan.close();
return null;
}
mChannel = newChan;
mChannel.configureBlocking(false); // required for Selector
mConnState = ST_AWAIT_SHAKE;
return mChannel;
}
return null;
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private void processIncomingJdwpData(Device device, java.nio.channels.SocketChannel monitorSocket, int length) throws java.io.IOException
private void processIncomingJdwpData(Device device, SocketChannel monitorSocket, int length)
{
if (length >= 0)
{
// array for the current pids.
List<int?> pidList = new List<int?>();
// get the string data if there are any
if (length > 0)
{
var buffer = new byte[length];
string result = read(monitorSocket, buffer);
// split each line in its own list and create an array of integer pid
string[] pids = StringHelperClass.StringSplit(result, "\n", true); //$NON-NLS-1$
foreach (string pid in pids)
{
try
{
pidList.Add(Convert.ToInt32(pid));
}
catch (SystemException)
{
// looks like this pid is not really a number. Lets ignore it.
continue;
}
}
}
MonitorThread monitorThread = MonitorThread.instance;
// Now we merge the current list with the old one.
// this is the same mechanism as the merging of the device list.
// For each client in the current list, we look for a matching the pid in the new list.
// * if we find it, we do nothing, except removing the pid from its list,
// to mark it as "processed"
// * if we do not find any match, we remove the client from the current list.
// Once this is done, the new list contains pids for which we don't have clients yet,
// so we create clients for them, add them to the list, and start monitoring them.
IList<Client> clients = device.clientList;
bool changed = false;
// because MonitorThread#dropClient acquires first the monitorThread lock and then the
// Device client list lock (when removing the Client from the list), we have to make
// sure we acquire the locks in the same order, since another thread (MonitorThread),
// could call dropClient itself.
lock (monitorThread)
{
lock (clients)
{
for (int c = 0; c < clients.Count; )
{
Client client = clients[c];
int pid = client.clientData.pid;
// look for a matching pid
int? match = null;
foreach (int? matchingPid in pidList)
{
if (pid == (int)matchingPid)
{
match = matchingPid;
break;
}
}
if (match != null)
{
pidList.Remove(match);
c++; // move on to the next client.
}
else
{
// we need to drop the client. the client will remove itself from the
// list of its device which is 'clients', so there's no need to
// increment c.
// We ask the monitor thread to not send notification, as we'll do
// it once at the end.
monitorThread.dropClient(client, false); // notify
changed = true;
}
}
}
}
// at this point whatever pid is left in the list needs to be converted into Clients.
foreach (int newPid in pidList)
{
openClient(device, newPid, nextDebuggerPort, monitorThread);
changed = true;
}
if (changed)
{
mServer.deviceChanged(device, DeviceConstants.CHANGE_CLIENT_LIST);
}
}
}
/// <summary>
/// Creates a client and register it to the monitor thread </summary>
/// <param name="device"> </param>
/// <param name="pid"> </param>
/// <param name="socket"> </param>
/// <param name="debuggerPort"> the debugger port. </param>
/// <param name="monitorThread"> the <seealso cref="MonitorThread"/> object. </param>
private void createClient(Device device, int pid, SocketChannel socket, int debuggerPort, MonitorThread monitorThread)
{
/*
* Successfully connected to something. Create a Client object, add
* it to the list, and initiate the JDWP handshake.
*/
Client client = new Client(device, socket, pid);
if (client.sendHandshake())
{
try
{
if (AndroidDebugBridge.clientSupport)
{
client.listenForDebugger(debuggerPort);
}
}
catch (IOException)
{
client.clientData.debuggerConnectionStatus = ClientData.DebuggerStatus.ERROR;
Log.e("ddms", "Can't bind to local " + debuggerPort + " for debugger");
// oh well
}
client.requestAllocationStatus();
}
else
{
Log.e("ddms", "Handshake with " + client + " failed!");
/*
* The handshake send failed. We could remove it now, but if the
* failure is "permanent" we'll just keep banging on it and
* getting the same result. Keep it in the list with its "error"
* state so we don't try to reopen it.
*/
}
if (client.valid)
{
device.addClient(client);
monitorThread.addClient(client);
}
else
{
client = null;
}
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private boolean sendDeviceMonitoringRequest(java.nio.channels.SocketChannel socket, Device device) throws TimeoutException, AdbCommandRejectedException, java.io.IOException
private bool sendDeviceMonitoringRequest(SocketChannel socket, Device device)
{
try
{
AdbHelper.setDevice(socket, device);
var request = AdbHelper.formAdbRequest("track-jdwp"); //$NON-NLS-1$
AdbHelper.write(socket, request);
AdbHelper.AdbResponse resp = AdbHelper.readAdbResponse(socket, false); // readDiagString
if (resp.okay == false)
{
// request was refused by adb!
Log.e("DeviceMonitor", "adb refused request: " + resp.message);
}
return resp.okay;
}
catch (TimeoutException e)
{
Log.e("DeviceMonitor", "Sending jdwp tracking request timed out!");
throw e;
}
catch (IOException e)
{
Log.e("DeviceMonitor", "Sending jdwp tracking request failed!");
throw e;
}
}
private void handleExpectioninMonitorLoop(Exception e)
{
if (mQuit == false)
{
if (e is TimeoutException)
{
Log.e("DeviceMonitor", "Adb connection Error: timeout");
}
else
{
Log.e("DeviceMonitor", "Adb connection Error:" + e.Message);
}
mMonitoring = false;
if (mMainAdbConnection != null)
{
try
{
mMainAdbConnection.close();
}
catch (IOException)
{
// we can safely ignore that one.
}
mMainAdbConnection = null;
// remove all devices from list
// because we are going to call mServer.deviceDisconnected which will acquire this
// lock we lock it first, so that the AndroidDebugBridge lock is always locked
// first.
lock (AndroidDebugBridge.@lock)
{
lock (mDevices)
{
for (int n = mDevices.Count - 1; n >= 0; n--)
{
Device device = mDevices[0];
removeDevice(device);
mServer.deviceDisconnected(device);
}
}
}
}
}
}
/// <summary>
/// Monitors the devices. This connects to the Debug Bridge
/// </summary>
private void deviceMonitorLoop()
{
do
{
try
{
if (mMainAdbConnection == null)
{
Log.d("DeviceMonitor", "Opening adb connection");
mMainAdbConnection = openAdbConnection();
if (mMainAdbConnection == null)
{
mConnectionAttempt++;
Log.e("DeviceMonitor", "Connection attempts: " + mConnectionAttempt);
if (mConnectionAttempt > 10)
{
if (mServer.startAdb() == false)
{
mRestartAttemptCount++;
Log.e("DeviceMonitor", "adb restart attempts: " + mRestartAttemptCount);
}
else
{
mRestartAttemptCount = 0;
}
}
waitABit();
}
else
{
Log.d("DeviceMonitor", "Connected to adb for device monitoring");
mConnectionAttempt = 0;
}
}
if (mMainAdbConnection != null && mMonitoring == false)
{
mMonitoring = sendDeviceListMonitoringRequest();
}
if (mMonitoring)
{
// read the length of the incoming message
int length = readLength(mMainAdbConnection, mLengthBuffer);
if (length >= 0)
{
// read the incoming message
processIncomingDeviceData(length);
// flag the fact that we have build the list at least once.
mInitialDeviceListDone = true;
}
}
}
/*catch (AsynchronousCloseException ace)
{
// this happens because of a call to Quit. We do nothing, and the loop will break.
}*/
catch (TimeoutException ioe)
{
handleExpectioninMonitorLoop(ioe);
}
catch (IOException ioe)
{
handleExpectioninMonitorLoop(ioe);
}
} while (mQuit == false);
}
/// <summary>
/// Opens the sync connection. This must be called before any calls to push[File] / pull[File]. </summary>
/// <returns> true if the connection opened, false if adb refuse the connection. This can happen
/// if the <seealso cref="Device"/> is invalid. </returns>
/// <exception cref="TimeoutException"> in case of timeout on the connection. </exception>
/// <exception cref="AdbCommandRejectedException"> if adb rejects the command </exception>
/// <exception cref="IOException"> If the connection to adb failed. </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: boolean openSync() throws TimeoutException, AdbCommandRejectedException, java.io.IOException
internal bool openSync()
{
try
{
mChannel = SocketChannel.open(mAddress);
mChannel.configureBlocking(false);
// target a specific device
AdbHelper.setDevice(mChannel, mDevice);
var request = AdbHelper.formAdbRequest("sync:"); //$NON-NLS-1$
AdbHelper.write(mChannel, request, -1, DdmPreferences.timeOut);
AdbHelper.AdbResponse resp = AdbHelper.readAdbResponse(mChannel, false); // readDiagString
if (resp.okay == false)
{
Log.w("ddms", "Got unhappy response from ADB sync req: " + resp.message);
mChannel.close();
mChannel = null;
return false;
}
}
catch (TimeoutException e)
{
if (mChannel != null)
{
try
{
mChannel.close();
}
catch (IOException)
{
// we want to throw the original exception, so we ignore this one.
}
mChannel = null;
}
throw e;
}
catch (IOException e)
{
if (mChannel != null)
{
try
{
mChannel.close();
}
catch (IOException)
{
// we want to throw the original exception, so we ignore this one.
}
mChannel = null;
}
throw e;
}
return true;
}
/// <summary>
/// Close the client socket channel. If there is a debugger associated
/// with us, close that too.
///
/// Closing a channel automatically unregisters it from the selector.
/// However, we have to iterate through the selector loop before it
/// actually lets them go and allows the file descriptors to close.
/// The caller is expected to manage that. </summary>
/// <param name="notify"> Whether or not to notify the listeners of a change. </param>
internal virtual void close(bool notify)
{
Log.d("ddms", "Closing " + this.ToString());
mOutstandingReqs.Clear();
try
{
if (mChan != null)
{
mChan.close();
mChan = null;
}
if (mDebugger != null)
{
mDebugger.close();
mDebugger = null;
}
}
catch (IOException)
{
Log.w("ddms", "failed to close " + this);
// swallow it -- not much else to do
}
mDevice.removeClient(this, notify);
}
/// <summary>
/// Starts the connection of the console. </summary>
/// <returns> true if success. </returns>
private bool start()
{
DnsEndPoint socketAddr;
try
{
socketAddr = new DnsEndPoint(HOST, mPort);
}
catch (ArgumentException)
{
return false;
}
try
{
mSocketChannel = SocketChannel.open(socketAddr);
}
catch (IOException)
{
return false;
}
// read some stuff from it
readLines();
return true;
}
/// <summary>
/// Write our packet to "chan". Consumes the packet as part of the
/// write.
///
/// The JDWP packet starts at offset 0 and ends at mBuffer.position().
/// </summary>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: void writeAndConsume(java.nio.channels.SocketChannel chan) throws java.io.IOException
internal void writeAndConsume(SocketChannel chan)
{
int oldLimit;
//Log.i("ddms", "writeAndConsume: pos=" + mBuffer.position()
// + ", limit=" + mBuffer.limit());
Debug.Assert(mLength > 0);
mBuffer.flip(); // limit<-posn, posn<-0
oldLimit = mBuffer.limit;
mBuffer.limit = (mLength);
while (mBuffer.position != mBuffer.limit)
{
chan.write(mBuffer);
}
// position should now be at end of packet
Debug.Assert(mBuffer.position == mLength);
mBuffer.limit= (oldLimit);
mBuffer.compact(); // shift posn...limit, posn<-pending data
//Log.i("ddms", " : pos=" + mBuffer.position()
// + ", limit=" + mBuffer.limit());
}
/// <summary>
/// Close the data connection only.
/// </summary>
/*lock*/
internal void closeData()
{
try
{
if (mChannel != null)
{
mChannel.close();
mChannel = null;
mConnState = ST_NOT_CONNECTED;
ClientData cd = mClient.clientData;
cd.debuggerConnectionStatus = ClientData.DebuggerStatus.DEFAULT;
mClient.update(Client.CHANGE_DEBUGGER_STATUS);
}
}
catch (IOException)
{
Log.w("ddms", "Failed to close data " + this);
}
}
/// <summary>
/// Reads the length of the next message from a socket. </summary>
/// <param name="socket"> The <seealso cref="SocketChannel"/> to read from. </param>
/// <returns> the length, or 0 (zero) if no data is available from the socket. </returns>
/// <exception cref="IOException"> if the connection failed. </exception>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: private int readLength(java.nio.channels.SocketChannel socket, byte[] buffer) throws java.io.IOException
private int readLength(SocketChannel socket, byte[] buffer)
{
string msg = read(socket, buffer);
if (msg != null)
{
try
{
return Convert.ToInt32(msg, 16);
}
catch (SystemException)
{
// we'll throw an exception below.
}
}
// we receive something we can't read. It's better to reset the connection at this point.
throw new IOException("Unable to read length");
}
