Files
vsmartcard/TCardEmulator/src/tcardemulator.c
Jan-Christopher Pien f2a68c95c1 Refactor connecting to SAP service and sending messages in queue
Sending and receiving works correctly, however establishing an SAP connection takes too long
2016-11-30 08:23:53 +01:00

182 lines
4.2 KiB
C

#include "tcardemulator.h"
#include <service_app.h>
#include <nfc.h>
#include <dlog.h>
#include <unistd.h>
#include <stdlib.h>
typedef struct appdata {
} appdata_s;
//unsigned char *rapdu = NULL;
//size_t rapdu_length = 0;
//gboolean rapdu_received = FALSE;
static void
hce_event_cb(nfc_se_h handle, nfc_hce_event_type_e event,
unsigned char *apdu, unsigned int apdu_len, void *user_data)
{
switch (event) {
case NFC_HCE_EVENT_DEACTIVATED:
// Do something when NFC_HCE_EVENT_DEACTIVATED event arrives
// When the event arrives, apdu and apdu len is NULL and 0
dlog_print(DLOG_DEBUG, LOG_TAG, "received NFC_HCE_EVENT_DEACTIVATED event on NFC handle %d", handle);
terminate_service_connection();
break;
case NFC_HCE_EVENT_ACTIVATED:
// Do something when NFC_HCE_EVENT_ACTIVATED event arrives
// When the event arrives, apdu and apdu len is NULL and 0
dlog_print(DLOG_DEBUG, LOG_TAG, "received NFC_HCE_EVENT_ACTIVATED event on NFC handle %d", handle);
find_peers();
break;
case NFC_HCE_EVENT_APDU_RECEIVED:
// rapdu_received = FALSE;
dlog_print(DLOG_DEBUG, LOG_TAG, "received NFC_HCE_EVENT_APDU_RECEIVED event on NFC handle %d", handle);
send_data(handle, apdu, apdu_len);
// size_t count_apdu = 0;
// while (!rapdu_received && count_apdu < 10) {
// dlog_print(DLOG_INFO, LOG_TAG, "waiting for response");
// usleep(100);
// count_apdu++;
// }
// nfc_hce_send_apdu_response(handle, rapdu, rapdu_length);
// rapdu_received = FALSE;
break;
default:
// Error handling
break;
}
}
void send_apdu_response(nfc_se_h handle, unsigned char *resp, unsigned int resp_len) {
dlog_print(DLOG_DEBUG, LOG_TAG, "sending data to nfc handle: %d", handle);
nfc_hce_send_apdu_response(handle, resp, resp_len);
}
bool
service_app_create(void *data)
{
int ret = NFC_ERROR_NONE;
bool r = false;
nfc_se_card_emulation_mode_type_e ce_type;
ret = nfc_manager_initialize();
if (ret != NFC_ERROR_NONE) {
dlog_print(DLOG_ERROR, LOG_TAG, "nfc_manager_initialize failed : %d", ret);
goto err;
}
ret = nfc_se_get_card_emulation_mode(&ce_type);
if (ret != NFC_ERROR_NONE) {
dlog_print(DLOG_ERROR, LOG_TAG, "nfc_se_get_card_emulation_mode failed : %d", ret);
goto err;
}
if (ce_type == NFC_SE_CARD_EMULATION_MODE_OFF) {
nfc_se_enable_card_emulation();
if (ret != NFC_ERROR_NONE) {
dlog_print(DLOG_ERROR, LOG_TAG, "nfc_se_enable_card_emulation failed : %d", ret);
goto err;
}
}
ret = nfc_manager_set_hce_event_cb(hce_event_cb, NULL);
if (ret != NFC_ERROR_NONE) {
dlog_print(DLOG_ERROR, LOG_TAG, "nfc_manager_set_hce_event_cb failed : %d", ret);
goto err;
} else {
dlog_print(DLOG_DEBUG, LOG_TAG, "nfc_manager_set_hce_event_cb succeeded");
}
initialize_sap();
r = true;
err:
return r;
}
void
service_app_terminate(void *data)
{
int ret = NFC_ERROR_NONE;
nfc_manager_unset_hce_event_cb();
ret = nfc_manager_deinitialize();
if (ret != NFC_ERROR_NONE)
{
dlog_print(DLOG_ERROR, LOG_TAG, "nfc_manager_deinitialize failed : %d", ret);
}
terminate_service_connection();
// free(rapdu);
// rapdu = NULL;
// rapdu_length = 0;
// rapdu_received = FALSE;
return;
}
void
service_app_control(app_control_h app_control, void *data)
{
// Todo: add your code here
return;
}
void
service_app_low_memory(void *data)
{
// Todo: add your code here
service_app_terminate(&data);
return;
}
void
service_app_low_battery(void *data)
{
// Todo: add your code here
service_app_terminate(&data);
return;
}
int
main(int argc, char* argv[])
{
appdata_s ad = {};
service_app_event_callback_s event_callback;
event_callback.create = service_app_create;
event_callback.terminate = service_app_terminate;
event_callback.app_control = service_app_control;
event_callback.low_memory = service_app_low_memory;
event_callback.low_battery = service_app_low_battery;
//#if 1
// initialize_sap();
// find_peers();
// rapdu_received = FALSE;
// unsigned char apdu[] = {0x00, 0xa4, 0x00, 0x00};
// send_data(apdu, sizeof apdu);
// size_t count = 0;
// while (!rapdu_received && count < 10) {
// dlog_print(DLOG_INFO, LOG_TAG, "waiting for response");
// usleep(100);
// count++;
// }
//#endif
return svc_app_main(argc, argv, &event_callback, &ad);
}