[idd] transport: configure active instances

idd/LGIdd/transport/TransportConfig.h

@@ -0,0 +1,74 @@
+/**
+ * Looking Glass
+ * Copyright © 2017-2026 The Looking Glass Authors
+ * https://looking-glass.io
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc., 59
+ * Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#pragma once
+
+#include <stdint.h>
+#include <string>
+#include <vector>
+
+using BackendId = uint32_t;
+
+enum TransportService : uint32_t
+{
+  TRANSPORT_SERVICE_FRAME   = 1U << 0,
+  TRANSPORT_SERVICE_CONTROL = 1U << 1,
+  TRANSPORT_SERVICE_INPUT   = 1U << 2,
+  TRANSPORT_SERVICE_ALL     = TRANSPORT_SERVICE_FRAME |
+    TRANSPORT_SERVICE_CONTROL | TRANSPORT_SERVICE_INPUT,
+};
+
+struct TransportInstance
+{
+  BackendId   id       = 0;
+  std::wstring kind;
+  bool         enabled  = true;
+  bool         required = false;
+  uint32_t     services = TRANSPORT_SERVICE_ALL;
+  int32_t      priority = 0;
+  std::wstring settings;
+};
+
+using TransportInstances = std::vector<TransportInstance>;
+
+static const unsigned TRANSPORT_MAX_INSTANCES = 8;
+
+struct TransportKind
+{
+  const wchar_t * name;
+  unsigned        activeLimit;
+};
+
+struct ResolvedTransportInstance
+{
+  TransportInstance config;
+  unsigned          kindIndex = 0;
+  bool              primary   = false;
+};
+
+using ResolvedTransportInstances =
+  std::vector<ResolvedTransportInstance>;
+
+TransportInstances DefaultTransportInstances();
+bool ParseTransportInstances(const std::vector<std::wstring>& entries,
+  TransportInstances& instances);
+bool ResolveTransportInstances(const TransportInstances& configured,
+  const TransportKind * kinds, unsigned kindCount,
+  ResolvedTransportInstances& resolved, bool& usedDefaults);