/// <summary>
/// Reads from the socket until the array is filled, the optional length
/// is reached, or no more data is coming (because the socket closed or the
/// timeout expired). After "timeout" milliseconds since the
/// previous successful read, this will return whether or not new data has
/// been found.
/// </summary>
/// <param name="chan"> the opened socket to read from. It must be in non-blocking
/// mode for timeouts to work </param>
/// <param name="data"> the buffer to store the read data into. </param>
/// <param name="length"> the length to read or -1 to fill the data buffer completely </param>
/// <param name="timeout"> The timeout value. A timeout of zero means "wait forever". </param>
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in .NET:
//ORIGINAL LINE: static void read(java.nio.channels.SocketChannel chan, byte[] data, int length, int timeout) throws TimeoutException, java.io.IOException
internal static void read(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.read(buf);
if (count < 0)
{
Log.d("ddms", "read: channel EOF");
throw new IOException("EOF");
}
else if (count == 0)
{
// TODO: need more accurate timeout?
if (timeout != 0 && numWaits * WAIT_TIME > timeout)
{
Log.d("ddms", "read: 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;
}
