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net/wsconn: add back custom wrapper for turning a websocket.Conn into a net.Conn

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We removed it in #4806 in favor of the built-in functionality from the
nhooyr.io/websocket package. However, it has an issue with deadlines
that has not been fixed yet (see nhooyr/websocket#350). Temporarily
go back to using a custom wrapper (using the fix from our fork) so that
derpers will stop closing connections too aggressively.

Updates #5921

Signed-off-by: Mihai Parparita <mihai@tailscale.com>
This commit is contained in:
Mihai Parparita
2022-10-18 14:20:43 -07:00
committed by Mihai Parparita
parent d00b095f14
commit 9d04ffc782
8 changed files with 224 additions and 4 deletions
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3
derp/derphttp/websocket.go
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@@ -13,6 +13,7 @@ import (
"net"
"nhooyr.io/websocket"
"tailscale.com/net/wsconn"
)
func init() {
@@ -28,6 +29,6 @@ func dialWebsocket(ctx context.Context, urlStr string) (net.Conn, error) {
return nil, err
}
log.Printf("websocket: connected to %v", urlStr)
netConn := websocket.NetConn(context.Background(), c, websocket.MessageBinary)
netConn := wsconn.NetConn(context.Background(), c, websocket.MessageBinary)
return netConn, nil
}