/**数据接收函数*/
private void recPacketFun(object clientSocket)
{
NetworkStream stream = new NetworkStream((Socket)clientSocket);
BinaryReader reader = new BinaryReader(stream);
while (isConnect)
{
try
{
RecPacket recpacket = new RecPacket();
RecPacket.PacketType packetType = (RecPacket.PacketType)reader.ReadByte();
recpacket.setPacketType(packetType);
switch (packetType)
{
case RecPacket.PacketType.BITMAP:
int bitmapBytesLen = reader.ReadInt32();
RecPacket.BitmapType type = (RecPacket.BitmapType)reader.ReadByte();
short cursorPointX = reader.ReadInt16();
short cursorpointY = reader.ReadInt16();
short difNum = reader.ReadInt16();
if (difNum > 0)
{
List <ShortRec> difPoints = new List <ShortRec>();
for (int i = 0; i < difNum; i++)
{
short xpoint = reader.ReadInt16();
short ypoint = reader.ReadInt16();
short width = reader.ReadInt16();
short height = reader.ReadInt16();
ShortRec difPoint = new ShortRec(xpoint, ypoint, width, height);
difPoints.Add(difPoint);
}
recpacket.setDifPointsList(difPoints);
}
int size = 0;
byte[] getBitmapBytes = new byte[bitmapBytesLen];
while (size < bitmapBytesLen)
{
size += reader.Read(getBitmapBytes, size, bitmapBytesLen - size);
}
/**组装数据*/
recpacket.setBitByts(getBitmapBytes);
recpacket.setBitmapBytesLength(bitmapBytesLen);
recpacket.setBitmapType(type);
recpacket.setCursorPoint(new ShortPoint(cursorPointX, cursorpointY));
/**添加到接收队列*/
recPacketQueue.Enqueue(recpacket);
labelQueueCap.Text = "接收队列大小：" + recPacketQueue.getQueueSize() + "\r\n";
break;
case RecPacket.PacketType.TEXT:
int textLen = reader.ReadInt32();
int textSize = 0;
byte[] getTextBytes = new byte[textLen];
while (textSize < textLen)
{
textSize += reader.Read(getTextBytes, textSize, textLen - textSize);
}
recpacket.setStringValue(Encoding.UTF8.GetString(getTextBytes));
/**添加到接收队列*/
recPacketQueue.Enqueue(recpacket);
labelQueueCap.Text = "接收队列大小：" + recPacketQueue.getQueueSize() + "\r\n";
break;
default:
break;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
stopClient();
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
ErrorInfo.getErrorWriter().writeErrorMassageToFile(DateTime.Now.ToString() + ":" + ex.Message + "\r\n" + ex.StackTrace);
}
}
}
/**
* 控制扫描块的大小，块越大，扫描速度越快，但是发送的数据量就越大;
* 块越小，扫描速度就越慢，但是发送的数据量就小；
* 局域网一般100*100
* 广域网一般40*40 或 20*20
* 是否需要协商块的大小？？？？进一步实验决定。默认的事30*30,
* 现在已经完全由server决定，client不需要blocksize
**/
//private static Size bitCmpSize = new Size(30, 30);
/**图形恢复函数*/
private void recoverBitmapFun()
{
while (isConnect)
{
try
{
DifferentBitmapWithCursor difbitWithCur = deCompressDifQueue.Dequeue();
if (difbitWithCur != null)
{
RecPacket.PacketType packetType = difbitWithCur.getPacketType();
BitmapWithCursor bitmapWithCursor = new BitmapWithCursor();
bitmapWithCursor.setPacketType(packetType);
switch (packetType)
{
case RecPacket.PacketType.BITMAP:
RecPacket.BitmapType type = difbitWithCur.getBitmapType();
ShortPoint cursorpoint = difbitWithCur.getCursorPoint();
Bitmap btm = difbitWithCur.getDifBitmap();
List <ShortRec> difPoints = difbitWithCur.getDifPointsList();
switch (type)
{
case RecPacket.BitmapType.BLOCK:
//Stopwatch sw = new Stopwatch();
//sw.Start();
Bitmap recBitmap = RecoverBitmap.recoverScreenBitmap(difPoints, globalCompareBitmap, btm /*, bitCmpSize*/);
//sw.Stop();
//Console.WriteLine("client:"+sw.ElapsedMilliseconds+"ms");
bitmapWithCursor.setCursorPoint(cursorpoint);
bitmapWithCursor.setScreenBitmap(recBitmap);
globalCompareBitmap = (Bitmap)recBitmap.Clone();
/**放到显示队列*/
displayQueue.Enqueue(bitmapWithCursor);
break;
case RecPacket.BitmapType.COMPLETE:
updateKeyFrame(btm, cursorpoint);
break;
default:
break;
}
labeldispalyQueue.Text = "显示队列大小：" + displayQueue.getQueueSize() + "\r\n";
break;
case RecPacket.PacketType.TEXT:
bitmapWithCursor.setStringValue(difbitWithCur.getStringValue());
displayQueue.Enqueue(bitmapWithCursor);
labeldispalyQueue.Text = "显示队列大小：" + displayQueue.getQueueSize() + "\r\n";
break;
default:
break;
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
public void setBitmapType(RecPacket.BitmapType type)
{
this.type = type;
}