C
C#•3y ago
Kuba_Z2

✅ ClientWebSocket concurrency question

Hello. Can ReceiveAsync and CloseAsync methods be used concurrently? And also the same for SendAsync and CloseAsync (this one sounds a bit funny but it's serious). The documentation doesn't say anything about concurrency for CloseAsync.
1 Reply
Kuba_Z2
Kuba_Z2OP•3y ago
I have found the explanation in source code 
/// Thread-safety:
/// - It's acceptable to call ReceiveAsync and SendAsync in parallel.  One of each may run concurrently.
/// - It's acceptable to have a pending ReceiveAsync while CloseOutputAsync or CloseAsync is called.
/// - Attempting to invoke any other operations in parallel may corrupt the instance.  Attempting to invoke
///   a send operation while another is in progress or a receive operation while another is in progress will
///   result in an exception.
/// Thread-safety:
/// - It's acceptable to call ReceiveAsync and SendAsync in parallel.  One of each may run concurrently.
/// - It's acceptable to have a pending ReceiveAsync while CloseOutputAsync or CloseAsync is called.
/// - Attempting to invoke any other operations in parallel may corrupt the instance.  Attempting to invoke
///   a send operation while another is in progress or a receive operation while another is in progress will
///   result in an exception.
~ https://source.dot.net/#System.Net.WebSockets/System/Net/WebSockets/ManagedWebSocket.cs,8eecb48ae7d8e666

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