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#include "nfc-binding.h"
#if USE_LIBNFC == 1
#include "libnfc_reader.h"
#endif
struct afb_event on_nfc_target_add_event;
struct afb_event on_nfc_target_remove_event;
/// @brief Binding's initialization.
/// @return Exit code, zero on success, non-zero otherwise.
int init()
{
on_nfc_target_add_event = afb_daemon_make_event("on-nfc-target-add");
on_nfc_target_remove_event = afb_daemon_make_event("on-nfc-target-remove");
if (!afb_event_is_valid(on_nfc_target_add_event) || !afb_event_is_valid(on_nfc_target_remove_event))
{
AFB_ERROR("Failed to create a valid event!");
return 1;
}
#if USE_LIBNFC == 1
if (libnfc_init())
{
AFB_ERROR("Failed start libnfc reader!");
return 2;
}
#endif
return 0;
}
/// @brief Get a list of devices.
/// @param[in] req The query.
void verb_subscribe(struct afb_req req)
{
if (!afb_req_subscribe(req, on_nfc_target_remove_event))
{
if (!afb_req_subscribe(req, on_nfc_target_add_event))
{
afb_req_success(req, NULL, "Subscription success!");
return;
}
else afb_req_unsubscribe(req, on_nfc_target_remove_event);
}
afb_req_fail(req, NULL, "Subscription failure!");
}
/// @brief Get a list of devices.
/// @param[in] req The query.
void verb_unsubscribe(struct afb_req req)
{
if (!afb_req_unsubscribe(req, on_nfc_target_add_event))
{
if (!afb_req_unsubscribe(req, on_nfc_target_remove_event))
{
afb_req_success(req, NULL, "Unsubscription success!");
return;
}
}
afb_req_fail(req, NULL, "Unsubscription failure!");
}
/// @brief Get a list of devices.
/// @param[in] req The query.
void verb_list_devices(struct afb_req req)
{
struct json_object* result;
result = json_object_new_array();
#if USE_LIBNFC == 1
if (libnfc_list_devices(result))
{
afb_req_fail(req, "Failed to get devices list from libnfc!", NULL);
return;
}
#endif
afb_req_success(req, result, NULL);
}
/// @brief Get a list of devices capabilities.
/// @param[in] req The query.
void verb_list_devices_capabilities(struct afb_req req)
{
struct json_object* result;
struct json_object* arg;
arg = afb_req_json(req);
result = json_object_new_array();
#if USE_LIBNFC == 1
if (libnfc_list_devices_capabilities(result, arg))
{
afb_req_fail(req, "Failed to get devices list from libnfc!", NULL);
return;
}
#endif
afb_req_success(req, result, NULL);
}
/// @brief Start polling.
/// @param[in] req The query.
void verb_start(struct afb_req req)
{
struct json_object* result;
struct json_object* arg;
arg = afb_req_json(req);
result = json_object_new_array();
#if USE_LIBNFC == 1
if (libnfc_start_polling(result, arg))
{
afb_req_fail(req, "Failed to get devices list from libnfc!", NULL);
return;
}
#endif
afb_req_success(req, result, NULL);
}
/// @brief Stop polling.
/// @param[in] req The query.
void verb_stop(struct afb_req req)
{
afb_req_fail(req, "Not implemented yet!", NULL);
}
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