aleitner commented on code in PR #610:
URL: https://github.com/apache/guacamole-server/pull/610#discussion_r2677707689
##########
src/libguac/guacamole/user.h:
##########
@@ -538,6 +538,64 @@ struct guac_user {
*/
guac_user_touch_handler* touch_handler;
+/**
+ * Handler for USB connect events sent by the Guacamole web-client.
+ *
+ * The handler takes the user that connected the device, the device ID,
+ * vendor ID, product ID, device name, serial number, device class,
+ * device subclass, device protocol, and interface data.
Review Comment:
Updated comment.
##########
src/libguac/guacamole/user-fntypes.h:
##########
@@ -499,5 +499,93 @@ typedef int guac_user_get_handler(guac_user* user,
guac_object* object,
typedef int guac_user_put_handler(guac_user* user, guac_object* object,
guac_stream* stream, char* mimetype, char* name);
-#endif
+/**
+ * Handler for Guacamole USB connect events, invoked when a "usbconnect"
+ * instruction has been received from a user. This indicates that the user
+ * has connected a USB device via WebUSB and it is available for redirection.
+ *
+ * @param user
+ * The user that connected the USB device.
+ *
+ * @param device_id
+ * The unique identifier for the USB device.
+ *
+ * @param vendor_id
+ * The vendor ID of the USB device.
+ *
+ * @param product_id
+ * The product ID of the USB device.
+ *
+ * @param device_name
+ * The human-readable name of the device.
+ *
+ * @param serial_number
+ * The serial number of the device, if available.
+ *
+ * @param device_class
+ * The USB device class.
+ *
+ * @param device_subclass
+ * The USB device subclass.
+ *
+ * @param device_protocol
+ * The USB device protocol.
+ *
+ * @param interface_data
+ * Encoded string containing interface and endpoint information in the
+ * format: "iface_num:class:subclass:protocol:ep_num:dir:type:size,..."
+ *
+ * @return
+ * Zero if the USB connect event was handled successfully, or non-zero if
+ * an error occurred.
+ */
+typedef int guac_user_usbconnect_handler(guac_user* user, const char*
device_id,
+ int vendor_id, int product_id, const char* device_name,
+ const char* serial_number, int device_class, int device_subclass,
+ int device_protocol, const char* interface_data);
+/**
+* Handler for Guacamole USB data events, invoked when a "usbdata" instruction
+* has been received from a user. This carries data from a client-side USB
+* device to be processed on the server side.
+*
+* @param user
+* The user that sent the USB data.
+*
+* @param device_id
+* The unique identifier for the USB device.
+*
+* @param endpoint_number
+* The endpoint number the data originated from.
Review Comment:
Updated comment.
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