[client] spice: move protocol into transport

client/transports/SPICE/usbredir.h

@@ -0,0 +1,60 @@
+/**
+ * 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
+ */
+
+#ifndef _H_LG_CLIENT_USBREDIR_
+#define _H_LG_CLIENT_USBREDIR_
+
+#include "interface/usbredir.h"
+
+#include <purespice.h>
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+typedef struct LG_USBRedir LG_USBRedir;
+
+/* Availability transitions are delivered on the PureSpice process thread. */
+typedef void (*LG_USBRedirStatusFn)(void * opaque, bool available);
+
+LG_USBRedir * lgUsbRedir_create(
+    const LG_USBRedirDeviceOps * deviceOps, void * deviceOpaque,
+    LG_USBRedirStatusFn status, void * statusOpaque);
+/* The PureSpice session must be stopped before destroying the bridge. */
+void lgUsbRedir_destroy(LG_USBRedir * usbredir);
+
+/* This may be called from another thread. The request is applied by
+ * lgUsbRedir_process on the PureSpice processing thread. */
+void lgUsbRedir_setPlugged(LG_USBRedir * usbredir, bool plugged);
+bool lgUsbRedir_available(const LG_USBRedir * usbredir);
+/* True after a device disconnect has been sent and until the guest has
+ * completed the detach. This must be queried on the processing thread. */
+bool lgUsbRedir_disconnectPending(const LG_USBRedir * usbredir);
+
+/* Apply pending device state and flush parser output. This must be called on
+ * the PureSpice processing thread. */
+bool lgUsbRedir_process(LG_USBRedir * usbredir);
+
+void lgUsbRedir_state(PSUSBRedirChannel * channel,
+    PSUSBRedirState state, void * opaque);
+bool lgUsbRedir_data(PSUSBRedirChannel * channel,
+    const uint8_t * data, size_t size, void * opaque);
+
+#endif