Add call protocol, Rmux. Update AmneziaWG. Fixes and improvements

transport/call/tunnel/dctunnel_bench_test.go

@@ -0,0 +1,69 @@
+package tunnel
+
+import (
+	"context"
+	"io"
+	"testing"
+)
+
+type discardRawConn struct{}
+
+func (discardRawConn) Read(p []byte) (int, error)                  { return 0, io.EOF }
+func (discardRawConn) ReadDataChannel(p []byte) (int, bool, error) { return 0, false, io.EOF }
+func (discardRawConn) Write(p []byte) (int, error)                 { return len(p), nil }
+func (discardRawConn) WriteDataChannel(p []byte, isString bool) (int, error) {
+	return len(p), nil
+}
+func (discardRawConn) Close() error { return nil }
+
+type benchLogger struct{}
+
+func (benchLogger) Trace(args ...any)                              {}
+func (benchLogger) Debug(args ...any)                              {}
+func (benchLogger) Info(args ...any)                               {}
+func (benchLogger) Notice(args ...any)                             {}
+func (benchLogger) Warn(args ...any)                               {}
+func (benchLogger) Error(args ...any)                              {}
+func (benchLogger) Fatal(args ...any)                              {}
+func (benchLogger) Panic(args ...any)                              {}
+func (benchLogger) TraceContext(ctx context.Context, args ...any)  {}
+func (benchLogger) DebugContext(ctx context.Context, args ...any)  {}
+func (benchLogger) InfoContext(ctx context.Context, args ...any)   {}
+func (benchLogger) NoticeContext(ctx context.Context, args ...any) {}
+func (benchLogger) WarnContext(ctx context.Context, args ...any)   {}
+func (benchLogger) ErrorContext(ctx context.Context, args ...any)  {}
+func (benchLogger) FatalContext(ctx context.Context, args ...any)  {}
+func (benchLogger) PanicContext(ctx context.Context, args ...any)  {}
+
+func newBenchDCTunnel() *DCTunnel {
+	return &DCTunnel{raw: discardRawConn{}, logger: benchLogger{}, readBuf: 4096}
+}
+
+func BenchmarkDCTunnelSendData(b *testing.B) {
+	sizes := []int{64, 512, 4096}
+	for _, size := range sizes {
+		payload := make([]byte, size)
+		frame := EncodeFrame(42, MsgData, payload)
+		b.Run(sizeLabel(size), func(b *testing.B) {
+			t := newBenchDCTunnel()
+			b.ReportAllocs()
+			b.SetBytes(int64(len(frame)))
+			for i := 0; i < b.N; i++ {
+				t.SendData(frame)
+			}
+		})
+	}
+}
+
+func sizeLabel(n int) string {
+	switch n {
+	case 64:
+		return "64B"
+	case 512:
+		return "512B"
+	case 4096:
+		return "4KB"
+	default:
+		return "custom"
+	}
+}