private async void ReceiveImage(TcpPackage receivePackage)
{
var udpConfigPackage = receivePackage.Config;
var remote = udpConfigPackage.ReceiveEndPoint.Split("|");
var remotePoint = new IPEndPoint(IPAddress.Parse(remote[0]), Convert.ToInt32(remote[1]));
using (var udpClient = await new UdpClientManager().CreateUdpReceiveClientAsync(12000))
{
var udpPackageManager = new UdpPackageManager(8);
while (true)
{
var buffer = (await udpClient.ReceiveAsync()).Buffer;
//var buffer = udpClient.Receive(ref remotePoint);
ushort[] lostSlice;
bool transferFinished;
if (udpPackageManager.CollectSlices(buffer, out lostSlice, out transferFinished))
{
if (!transferFinished)
{
// 只接收了一块数据就进行了显示操作
// 图片大小限定: 10M
// 解决方案: 将图片缓存到本地, 再读取到程序中
// 缓存方案: 像文件一样按块写入本地, 最后再进行调用
// 缓存地址: 软件安装目录
var buff = udpPackageManager.SliceToBlock(udpPackageManager.GetSliceList(), 1).Result;
if (buff != null)
{
Dispatcher.Invoke(() =>
{
var bitmap = ImageHelper.BytesToBitmapImage(buff);
ChatArea.Children.Add(new ReceiveControl(receivePackage, bitmap));
});
break;
}
}
else
{
break;
}
//Thread.Sleep(10);
}
}
//MessageBox.Show("Client回收");
}
//udpClient.Client.Close(5000);
}
async Task SendImage(string fileName, TcpPackage package)
{
using (var _sendUdpImageClient = new UdpClientManager())
{
// 创建Udp客户端
//await _sendUdpImageClient.CreateUdpSendClientAsync(new IPEndPoint(IPAddress.Loopback, _sendUdpPort));
await _sendUdpImageClient.CreateUdpSendClientAsync(new IPEndPoint(IPAddress.Loopback, new Random().Next(40000, 50000)));
var imagePackage = new TcpPackage()
{
OpCode = LbChatWith.Content.Equals("All") ? OpCode.All : OpCode.Single,
MessageType = MessageType.Image,
LocalName = TbUserName.Text,
RemoteName = LbChatWith.Content.ToString()
};
#region Tcp校验 丢弃
//_sendImageTcpClient = new EasyClient<TextPackageInfo>(new LinePipelineFilter(), options).AsClient();
//var connected = await _sendImageTcpClient.ConnectAsync(new IPEndPoint(IPAddress.Loopback, 8888));
//var msg = imagePackage.ToString();
//await _sendImageTcpClient.SendAsync(Encoding.UTF8.GetBytes(msg));
//UdpConfigPackage package = null;
//while (true)
//{
// var data = await _sendImageTcpClient.ReceiveAsync();
// package = TcpPackage.JsonToPackage(data.Text).Config;
// if (package != null)
// {
// break;
// }
// await Task.Delay(100);
//}
#endregion
var point = package.Config.ReceiveEndPoint.Split("|");
if (!_sendUdpImageClient.Client.Connected)
{
_sendUdpImageClient.Connect(IPAddress.Parse(point[0]), Convert.ToInt32(point[1]));
}
// 发送Image
var packageManager = new UdpPackageManager(8);
var first = packageManager.StartBlock(1);
await _sendUdpImageClient.SendAsync(first, first.Length);
while (true)
{
var imageBuffer = await packageManager.ReadFileToBlock(fileName);
//var imageBuffer = packageManager.ImageToBytes(fileName);
if (imageBuffer == null)
{
break;
}
var packages = await packageManager.BlockToSlice(imageBuffer, 1);
while (packages.Length() > 0)
{
var pBuffer = await packages.DequeueAsync();
await _sendUdpImageClient.SendAsync(pBuffer, pBuffer.Length);
await Task.Delay(1);
}
}
var end = packageManager.EndBlock(1);
await _sendUdpImageClient.SendAsync(end, end.Length);
}
}
