點解server 做緊streaming, NetworkStream.read is blocking?

luckiejacky

C#, tcp client..

1. NetworkStream stream = client.GetStream();
   
2. byte[] buffer = new byte[640 * 480];
   
3. int read, total = 0;
   
4. 
   
5. // Blocking Read here
   
6. while ((read = stream.Read(buffer, total, 1000)) != 0)
   
7. {
   
8.          total += read;
   
9. }

複製代碼

Charcoal99

https://msdn.microsoft.com/en-us ... .networkstream.aspx

NetworkStream  class 提供的Methods 有  Read 及 ReadAsync 兩種,
當中的Read是synchronous的, 所以 comment 是blocking read.

luckiejacky

Thanks ching

jasonchan35

can check NetworkStream.DataAvailable before read
which can avoid blocking