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Added hotplug to /usb:id,dev option

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Devices specified with the /usb:id,dev command line option are now
detected by the hotplug callback.
This commit is contained in:
Lukas Fink 2020-04-23 18:29:53 +02:00 committed by akallabeth
parent 2e86e36200
commit efb929644e
1 changed files with 34 additions and 7 deletions
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41
channels/urbdrc/client/libusb/libusb_udevman.c
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@ -55,6 +55,16 @@
_man->iface.get_##_arg = udevman_get_##_arg; \
_man->iface.set_##_arg = udevman_set_##_arg
#define MAX_HOTPLUG_VID_PIDS 32
typedef struct _VID_PID_PAIR VID_PID_PAIR;
struct _VID_PID_PAIR
{
UINT16 vid;
UINT16 pid;
};
typedef struct _UDEVMAN UDEVMAN;
struct _UDEVMAN
@ -66,6 +76,8 @@ struct _UDEVMAN
IUDEVICE* tail; /* tail device in linked list */
LPSTR cmdline_devices;
VID_PID_PAIR hotplug_vid_pids[MAX_HOTPLUG_VID_PIDS];
size_t num_hotplug_vid_pids;
UINT16 flags;
UINT32 device_num;
UINT32 next_device_id;
@ -533,7 +545,7 @@ static int hotplug_callback(struct libusb_context* ctx, struct libusb_device* de
libusb_hotplug_event event, void* user_data)
{
struct libusb_device_descriptor desc;
IUDEVMAN* idevman = (IUDEVMAN*)user_data;
UDEVMAN* udevman = (UDEVMAN*)user_data;
const uint8_t bus = libusb_get_bus_number(dev);
const uint8_t addr = libusb_get_device_address(dev);
int rc = libusb_get_device_descriptor(dev, &desc);
@ -543,18 +555,23 @@ static int hotplug_callback(struct libusb_context* ctx, struct libusb_device* de
if (rc != LIBUSB_SUCCESS)
return rc;
if (device_is_filtered(dev, &desc, event))
return 0;
switch (event)
{
case LIBUSB_HOTPLUG_EVENT_DEVICE_ARRIVED:
if (idevman->isAutoAdd(idevman))
add_device(idevman, DEVICE_ADD_FLAG_ALL, bus, addr, desc.idVendor, desc.idProduct);
for (size_t i = 0; i < udevman->num_hotplug_vid_pids; i++)
{
if (udevman->hotplug_vid_pids[i].vid == desc.idVendor && udevman->hotplug_vid_pids[i].pid == desc.idProduct)
{
add_device(&udevman->iface, DEVICE_ADD_FLAG_ALL, bus, addr, desc.idVendor, desc.idProduct);
return 0;
}
}
if (udevman->iface.isAutoAdd(&udevman->iface) && !device_is_filtered(dev, &desc, event))
add_device(&udevman->iface, DEVICE_ADD_FLAG_ALL, bus, addr, desc.idVendor, desc.idProduct);
break;
case LIBUSB_HOTPLUG_EVENT_DEVICE_LEFT:
del_device(idevman, DEVICE_ADD_FLAG_ALL, bus, addr, desc.idVendor, desc.idProduct);
del_device(&udevman->iface, DEVICE_ADD_FLAG_ALL, bus, addr, desc.idVendor, desc.idProduct);
break;
default:
@ -623,6 +640,16 @@ static BOOL urbdrc_udevman_register_devices(UDEVMAN* udevman, const char* device
add_device(&udevman->iface, DEVICE_ADD_FLAG_VENDOR | DEVICE_ADD_FLAG_PRODUCT, 0, 0, id1,
id2);
if (udevman->num_hotplug_vid_pids < MAX_HOTPLUG_VID_PIDS)
{
udevman->hotplug_vid_pids[udevman->num_hotplug_vid_pids].vid = id1;
udevman->hotplug_vid_pids[udevman->num_hotplug_vid_pids++].pid = id2;
}
else
{
WLog_WARN(TAG, "Maximum hotplug device ids reached. Hotplug may not work for all given devices.");
}
}
else if (udevman->flags & UDEVMAN_FLAG_ADD_BY_ADDR)
{