[英]is Java SocketChannel write(ByteBuffer source) in Android different in windows?
當我在Android中調試代碼包含SocketChannel寫時,我得到了IllegalArgumentException,但是Windows中的相同代碼沒有此異常,Android和SocketChannel寫中的Windows之間是否有區別?
更新:(代碼是開源項目frostwire-android( 此文件位於github中 )的一部分,並且此部分與vuze 4.5相同,我只添加了一個try {})
private int channelWrite(ByteBuffer buf) throws IOException
{
int written = 0;
while(remainingBytesToScatter > 0 && buf.remaining() > 0)
{
int currentWritten = 0;
try{
currentWritten = channel.write((ByteBuffer)(buf.slice().limit(Math.min(50+rnd.nextInt(100),buf.remaining()))));
}catch( Exception e ) {
if(e instanceof IOException) {
Log.d("", "chanel write IOException " + e.getMessage());
}else if(e instanceof IOException) {
Log.d("", "chanel write AsynchronousCloseException " + e.getMessage());
}else if(e instanceof ClosedByInterruptException) {
Log.d("", "chanel write ClosedByInterruptException " + e.getMessage());
}else if(e instanceof ClosedChannelException) {
Log.d("", "chanel write ClosedChannelException " + e.getMessage());
}else if(e instanceof NotYetConnectedException) {
Log.d("", "chanel write ClosedChannelException " + e.getMessage());
}else {
// while in second time, reach here
Log.d("", "chanel write unknown " + e.getMessage());
}
}
if(currentWritten == 0)
break;
buf.position(buf.position()+currentWritten);
remainingBytesToScatter -= currentWritten;
if(remainingBytesToScatter <= 0)
{
remainingBytesToScatter = 0;
try
{
channel.socket().setTcpNoDelay(false);
} catch (SocketException e)
{
Debug.printStackTrace(e);
}
}
written += currentWritten;
}
if(buf.remaining() > 0)
written += channel.write(buf);
return written;
}
行為是由同一合同(標准庫文檔)定義的,並且該文檔不能為任何實現特定的解釋留出空間,因此,對您的問題的答案必須是,不,Android上的行為與Windows上的行為。
順便說一句, 文檔沒有說該方法可能拋出IllegalArgumentException
。 您確定該方法引發了異常嗎? 我建議您為此提供SSCCE。
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