static jint com_android_nfc_NativeLlcpSocket_doReceive(JNIEnv *e, jobject o, jbyteArray buffer)
{
NFCSTATUS ret;
struct timespec ts;
phLibNfc_Handle hLlcpSocket;
phNfc_sData_t sReceiveBuffer;
/* Retrieve socket handle */
hLlcpSocket = nfc_jni_get_nfc_socket_handle(e,o);
sReceiveBuffer.buffer = (uint8_t*)e->GetByteArrayElements(buffer, NULL);
sReceiveBuffer.length = (uint32_t)e->GetArrayLength(buffer);
TRACE("phLibNfc_Llcp_Recv()");
REENTRANCE_LOCK();
ret = phLibNfc_Llcp_Recv(hLlcpSocket,
&sReceiveBuffer,
nfc_jni_receive_callback,
(void*)hLlcpSocket);
REENTRANCE_UNLOCK();
if((ret != NFCSTATUS_SUCCESS) && (ret != NFCSTATUS_PENDING))
{
/* Return status should be either SUCCESS or PENDING */
LOGE("phLibNfc_Llcp_Recv() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
return 0;
}
TRACE("phLibNfc_Llcp_Recv() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
/* Wait for callback response (happen if status is either SUCCESS or PENDING) */
if(sem_wait(nfc_jni_llcp_sem) == -1)
{
return 0;
}
if(nfc_jni_cb_status == NFCSTATUS_SUCCESS)
{
return sReceiveBuffer.length;
}
else
{
return 0;
}
}
static jint com_android_nfc_NativeLlcpSocket_doReceive(JNIEnv *e, jobject o, jbyteArray buffer)
{
NFCSTATUS ret;
struct timespec ts;
phLibNfc_Handle hRemoteDevice;
phLibNfc_Handle hLlcpSocket;
phNfc_sData_t sReceiveBuffer = {NULL, 0};
struct nfc_jni_callback_data cb_data;
jint result = -1;
/* Retrieve handles */
hRemoteDevice = nfc_jni_get_p2p_device_handle(e,o);
hLlcpSocket = nfc_jni_get_nfc_socket_handle(e,o);
/* Create the local semaphore */
if (!nfc_cb_data_init(&cb_data, NULL))
{
goto clean_and_return;
}
sReceiveBuffer.buffer = (uint8_t*)e->GetByteArrayElements(buffer, NULL);
sReceiveBuffer.length = (uint32_t)e->GetArrayLength(buffer);
TRACE("phLibNfc_Llcp_Recv()");
REENTRANCE_LOCK();
ret = phLibNfc_Llcp_Recv(hRemoteDevice,
hLlcpSocket,
&sReceiveBuffer,
nfc_jni_receive_callback,
(void*)&cb_data);
REENTRANCE_UNLOCK();
if(ret == NFCSTATUS_PENDING)
{
/* Wait for callback response */
if(sem_wait(&cb_data.sem))
{
ALOGE("Failed to wait for semaphore (errno=0x%08x)", errno);
goto clean_and_return;
}
if(cb_data.status == NFCSTATUS_SUCCESS)
{
result = sReceiveBuffer.length;
}
}
else if (ret == NFCSTATUS_SUCCESS)
{
result = sReceiveBuffer.length;
}
else
{
/* Return status should be either SUCCESS or PENDING */
ALOGE("phLibNfc_Llcp_Recv() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
goto clean_and_return;
}
TRACE("phLibNfc_Llcp_Recv() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
clean_and_return:
if (sReceiveBuffer.buffer != NULL)
{
e->ReleaseByteArrayElements(buffer, (jbyte*)sReceiveBuffer.buffer, 0);
}
nfc_cb_data_deinit(&cb_data);
return result;
}
