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virtual-device: Add non-image mock devices

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There are two variants one with storage and identify support and the
other without storage.

It implements the following commands:
 * INSERT id
 * REMOVE id
 * SCAN id
 * ERROR error-code
 * LIST (returns saved print)

The INSERT/REMOVE/LIST commands are only available in the storage
driver. The SCAN command emulates presenting a finger.

These commands can be send ahead of time, and will be queued and
processed when appropriate. i.e. for INSERT/REMOVE that is immediately
when possible, for SCAN/ERROR processing is delayed.

The LIST command is always processed immediately.

Note that only a single command can be send per socket connection and
the command must be send in a single message. The socket will be closed
after the command has been processed.

Co-authored-by: Bastien Nocera <hadess@hadess.net>
Co-authored-by: Marco Trevisan (Treviño) <mail@3v1n0.net>
This commit is contained in:
Benjamin Berg
2021-01-05 15:59:07 +01:00
parent 253750ec08
commit 3f7a638eed
7 changed files with 532 additions and 2 deletions
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2
tests/test-utils.c
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@@ -29,6 +29,8 @@ struct
const char *device_id;
} devtype_vars[FPT_NUM_VIRTUAL_DEVICE_TYPES] = {
{ "FP_VIRTUAL_IMAGE", "virtual_image", "virtual_image" }, /* FPT_VIRTUAL_DEVICE_IMAGE */
{ "FP_VIRTUAL_DEVICE", "virtual_device", "virtual_device" }, /* FPT_VIRTUAL_DEVICE_NONIMAGE */
{ "FP_VIRTUAL_DEVICE_STORAGE", "virtual_device_storage", "virtual_device_storage" } /* FPT_VIRTUAL_DEVICE_NONIMAGE_STORAGE */
};
static FptVirtualDeviceType global_devtype;