/*
* Methods
*/
static jobject com_NativeLlcpServiceSocket_doAccept(JNIEnv *e, jobject o, jint miu, jint rw, jint linearBufferLength)
{
NFCSTATUS ret = NFCSTATUS_SUCCESS;
struct timespec ts;
phLibNfc_Llcp_sSocketOptions_t sOptions;
phNfc_sData_t sWorkingBuffer;
jfieldID f;
jclass clsNativeLlcpSocket;
jobject clientSocket = NULL;
struct nfc_jni_callback_data cb_data;
phLibNfc_Handle hIncomingSocket, hServerSocket;
nfc_jni_native_monitor_t * pMonitor = nfc_jni_get_monitor();
/* Create the local semaphore */
if (!nfc_cb_data_init(&cb_data, NULL))
{
goto clean_and_return;
}
/* Get server socket */
hServerSocket = nfc_jni_get_nfc_socket_handle(e,o);
/* Set socket options with the socket options of the service */
sOptions.miu = miu;
sOptions.rw = rw;
/* Allocate Working buffer length */
sWorkingBuffer.buffer = (uint8_t*)malloc((miu*rw)+miu+linearBufferLength);
sWorkingBuffer.length = (miu*rw)+ miu + linearBufferLength;
while(cb_data.status != NFCSTATUS_SUCCESS)
{
/* Wait for tag Notification */
pthread_mutex_lock(&pMonitor->incoming_socket_mutex);
while ((hIncomingSocket = getIncomingSocket(pMonitor, hServerSocket)) == NULL) {
pthread_cond_wait(&pMonitor->incoming_socket_cond, &pMonitor->incoming_socket_mutex);
}
pthread_mutex_unlock(&pMonitor->incoming_socket_mutex);
/* Accept the incomming socket */
TRACE("phLibNfc_Llcp_Accept()");
REENTRANCE_LOCK();
ret = phLibNfc_Llcp_Accept( hIncomingSocket,
&sOptions,
&sWorkingBuffer,
nfc_jni_llcp_transport_socket_err_callback,
nfc_jni_llcp_accept_socket_callback,
(void*)&cb_data);
REENTRANCE_UNLOCK();
if(ret != NFCSTATUS_PENDING)
{
// NOTE: This may happen if link went down since incoming socket detected, then
// just drop it and start a new accept loop.
LOGD("phLibNfc_Llcp_Accept() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
continue;
}
TRACE("phLibNfc_Llcp_Accept() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
/* Wait for callback response */
if(sem_wait(&cb_data.sem))
{
LOGE("Failed to wait for semaphore (errno=0x%08x)", errno);
goto clean_and_return;
}
if(cb_data.status != NFCSTATUS_SUCCESS)
{
/* NOTE: Do not generate an error if the accept failed to avoid error in server application */
LOGD("Failed to accept incoming socket 0x%04x[%s]", cb_data.status, nfc_jni_get_status_name(cb_data.status));
}
}
/* Create new LlcpSocket object */
if(nfc_jni_cache_object(e,"com/android/nfc/nxp/NativeLlcpSocket",&(clientSocket)) == -1)
{
LOGD("LLCP Socket creation error");
goto clean_and_return;
}
/* Get NativeConnectionOriented class object */
clsNativeLlcpSocket = e->GetObjectClass(clientSocket);
if(e->ExceptionCheck())
{
LOGD("LLCP Socket get class object error");
goto clean_and_return;
}
/* Set socket handle */
f = e->GetFieldID(clsNativeLlcpSocket, "mHandle", "I");
e->SetIntField(clientSocket, f,(jint)hIncomingSocket);
/* Set socket MIU */
f = e->GetFieldID(clsNativeLlcpSocket, "mLocalMiu", "I");
e->SetIntField(clientSocket, f,(jint)miu);
/* Set socket RW */
f = e->GetFieldID(clsNativeLlcpSocket, "mLocalRw", "I");
e->SetIntField(clientSocket, f,(jint)rw);
TRACE("socket handle 0x%02x: MIU = %d, RW = %d\n",hIncomingSocket, miu, rw);
clean_and_return:
nfc_cb_data_deinit(&cb_data);
return clientSocket;
}
static jobject com_android_nfc_NativeLlcpConnectionlessSocket_doReceiveFrom(JNIEnv *e, jobject o, jint linkMiu)
{
NFCSTATUS ret;
struct timespec ts;
uint8_t ssap;
jobject llcpPacket = NULL;
phLibNfc_Handle hRemoteDevice;
phLibNfc_Handle hLlcpSocket;
phNfc_sData_t sReceiveBuffer;
jclass clsLlcpPacket;
jfieldID f;
jbyteArray receivedData = NULL;
struct nfc_jni_callback_data cb_data;
/* Create the local semaphore */
if (!nfc_cb_data_init(&cb_data, NULL))
{
goto clean_and_return;
}
/* Create new LlcpPacket object */
if(nfc_jni_cache_object(e,"com/android/nfc/LlcpPacket",&(llcpPacket)) == -1)
{
ALOGE("Find LlcpPacket class error");
goto clean_and_return;
}
/* Get NativeConnectionless class object */
clsLlcpPacket = e->GetObjectClass(llcpPacket);
if(e->ExceptionCheck())
{
ALOGE("Get Object class error");
goto clean_and_return;
}
/* Retrieve handles */
hRemoteDevice = nfc_jni_get_p2p_device_handle(e,o);
hLlcpSocket = nfc_jni_get_nfc_socket_handle(e,o);
TRACE("phLibNfc_Llcp_RecvFrom(), Socket Handle = 0x%02x, Link LIU = %d", hLlcpSocket, linkMiu);
sReceiveBuffer.buffer = (uint8_t*)malloc(linkMiu);
sReceiveBuffer.length = linkMiu;
REENTRANCE_LOCK();
ret = phLibNfc_Llcp_RecvFrom(hRemoteDevice,
hLlcpSocket,
&sReceiveBuffer,
nfc_jni_receive_callback,
&cb_data);
REENTRANCE_UNLOCK();
if(ret != NFCSTATUS_PENDING && ret != NFCSTATUS_SUCCESS)
{
ALOGE("phLibNfc_Llcp_RecvFrom() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
goto clean_and_return;
}
TRACE("phLibNfc_Llcp_RecvFrom() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
/* 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)
{
goto clean_and_return;
}
ssap = (uint32_t)cb_data.pContext;
TRACE("Data Received From SSAP = %d\n, length = %d", ssap, sReceiveBuffer.length);
/* Set Llcp Packet remote SAP */
f = e->GetFieldID(clsLlcpPacket, "mRemoteSap", "I");
e->SetIntField(llcpPacket, f,(jbyte)ssap);
/* Set Llcp Packet Buffer */
ALOGD("Set LlcpPacket Data Buffer\n");
f = e->GetFieldID(clsLlcpPacket, "mDataBuffer", "[B");
receivedData = e->NewByteArray(sReceiveBuffer.length);
e->SetByteArrayRegion(receivedData, 0, sReceiveBuffer.length,(jbyte *)sReceiveBuffer.buffer);
e->SetObjectField(llcpPacket, f, receivedData);
clean_and_return:
nfc_cb_data_deinit(&cb_data);
return llcpPacket;
}
