/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <semaphore.h>
#include <errno.h>
#include "com_android_nfc.h"
namespace android {
/*
* Callbacks
*/
static void nfc_jni_disconnect_callback(void* pContext,
NFCSTATUS status)
{
struct nfc_jni_callback_data * pCallbackData = (struct nfc_jni_callback_data *) pContext;
LOG_CALLBACK("nfc_jni_disconnect_callback", status);
/* Report the callback status and wake up the caller */
pCallbackData->status = status;
sem_post(&pCallbackData->sem);
}
static void nfc_jni_connect_callback(void* pContext, uint8_t nErrCode, NFCSTATUS status)
{
struct nfc_jni_callback_data * pCallbackData = (struct nfc_jni_callback_data *) pContext;
LOG_CALLBACK("nfc_jni_llcp_connect_callback", status);
if(status == NFCSTATUS_SUCCESS)
{
TRACE("Socket connected\n");
}
else
{
ALOGD("Socket not connected:");
switch(nErrCode)
{
case PHFRINFC_LLCP_DM_OPCODE_SAP_NOT_ACTIVE:
{
ALOGD("> SAP NOT ACTIVE\n");
}break;
case PHFRINFC_LLCP_DM_OPCODE_SAP_NOT_FOUND:
{
ALOGD("> SAP NOT FOUND\n");
}break;
case PHFRINFC_LLCP_DM_OPCODE_CONNECT_REJECTED:
{
ALOGD("> CONNECT REJECTED\n");
}break;
case PHFRINFC_LLCP_DM_OPCODE_CONNECT_NOT_ACCEPTED:
{
ALOGD("> CONNECT NOT ACCEPTED\n");
}break;
case PHFRINFC_LLCP_DM_OPCODE_SOCKET_NOT_AVAILABLE:
{
ALOGD("> SOCKET NOT AVAILABLE\n");
}break;
}
}
/* Report the callback status and wake up the caller */
pCallbackData->status = status;
sem_post(&pCallbackData->sem);
}
static void nfc_jni_receive_callback(void* pContext, NFCSTATUS status)
{
struct nfc_jni_callback_data * pCallbackData = (struct nfc_jni_callback_data *) pContext;
LOG_CALLBACK("nfc_jni_llcp_receive_callback", status);
/* Report the callback status and wake up the caller */
pCallbackData->status = status;
sem_post(&pCallbackData->sem);
}
static void nfc_jni_send_callback(void *pContext, NFCSTATUS status)
{
struct nfc_jni_callback_data * pCallbackData = (struct nfc_jni_callback_data *) pContext;
LOG_CALLBACK("nfc_jni_llcp_send_callback", status);
/* Report the callback status and wake up the caller */
pCallbackData->status = status;
sem_post(&pCallbackData->sem);
}
/*
* Methods
*/
static jboolean com_android_nfc_NativeLlcpSocket_doConnect(JNIEnv *e, jobject o, jint nSap)
{
NFCSTATUS ret;
struct timespec ts;
phLibNfc_Handle hRemoteDevice;
phLibNfc_Handle hLlcpSocket;
struct nfc_jni_callback_data cb_data;
jboolean result = JNI_FALSE;
/* 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;
}
TRACE("phLibNfc_Llcp_Connect(%d)",nSap);
REENTRANCE_LOCK();
ret = phLibNfc_Llcp_Connect(hRemoteDevice,
hLlcpSocket,
nSap,
nfc_jni_connect_callback,
(void*)&cb_data);
REENTRANCE_UNLOCK();
if(ret != NFCSTATUS_PENDING)
{
ALOGE("phLibNfc_Llcp_Connect(%d) returned 0x%04x[%s]", nSap, ret, nfc_jni_get_status_name(ret));
goto clean_and_return;
}
TRACE("phLibNfc_Llcp_Connect(%d) returned 0x%04x[%s]", nSap, 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)
{
ALOGW("LLCP Connect request failed");
goto clean_and_return;
}
result = JNI_TRUE;
clean_and_return:
nfc_cb_data_deinit(&cb_data);
return result;
}
static jboolean com_android_nfc_NativeLlcpSocket_doConnectBy(JNIEnv *e, jobject o, jstring sn)
{
NFCSTATUS ret;
struct timespec ts;
phNfc_sData_t serviceName = {NULL, 0};
phLibNfc_Handle hRemoteDevice;
phLibNfc_Handle hLlcpSocket;
struct nfc_jni_callback_data cb_data;
jboolean result = JNI_FALSE;
/* 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;
}
/* Service socket */
serviceName.buffer = (uint8_t*)e->GetStringUTFChars(sn, NULL);
serviceName.length = (uint32_t)e->GetStringUTFLength(sn);
TRACE("phLibNfc_Llcp_ConnectByUri()");
REENTRANCE_LOCK();
ret = phLibNfc_Llcp_ConnectByUri(hRemoteDevice,
hLlcpSocket,
&serviceName,
nfc_jni_connect_callback,
(void*)&cb_data);
REENTRANCE_UNLOCK();
if(ret != NFCSTATUS_PENDING)
{
ALOGE("phLibNfc_Llcp_ConnectByUri() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
goto clean_and_return;
}
TRACE("phLibNfc_Llcp_ConnectByUri() 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;
}
result = JNI_TRUE;
clean_and_return:
if (serviceName.buffer != NULL) {
e->ReleaseStringUTFChars(sn, (const char *)serviceName.buffer);
}
nfc_cb_data_deinit(&cb_data);
return result;
}
static jboolean com_android_nfc_NativeLlcpSocket_doClose(JNIEnv *e, jobject o)
{
NFCSTATUS ret;
phLibNfc_Handle hLlcpSocket;
/* Retrieve socket handle */
hLlcpSocket = nfc_jni_get_nfc_socket_handle(e,o);
TRACE("phLibNfc_Llcp_Close()");
REENTRANCE_LOCK();
ret = phLibNfc_Llcp_Close(hLlcpSocket);
REENTRANCE_UNLOCK();
if(ret != NFCSTATUS_SUCCESS)
{
ALOGE("phLibNfc_Llcp_Close() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
return FALSE;
}
TRACE("phLibNfc_Llcp_Close() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
return TRUE;
}
static jboolean com_android_nfc_NativeLlcpSocket_doSend(JNIEnv *e, jobject o, jbyteArray data)
{
NFCSTATUS ret;
struct timespec ts;
phLibNfc_Handle hRemoteDevice;
phLibNfc_Handle hLlcpSocket;
phNfc_sData_t sSendBuffer = {NULL, 0};
struct nfc_jni_callback_data cb_data;
jboolean result = JNI_FALSE;
/* 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;
}
sSendBuffer.buffer = (uint8_t*)e->GetByteArrayElements(data, NULL);
sSendBuffer.length = (uint32_t)e->GetArrayLength(data);
TRACE("phLibNfc_Llcp_Send()");
REENTRANCE_LOCK();
ret = phLibNfc_Llcp_Send(hRemoteDevice,
hLlcpSocket,
&sSendBuffer,
nfc_jni_send_callback,
(void*)&cb_data);
REENTRANCE_UNLOCK();
if(ret != NFCSTATUS_PENDING)
{
ALOGE("phLibNfc_Llcp_Send() returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
goto clean_and_return;
}
TRACE("phLibNfc_Llcp_Send() 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;
}
result = JNI_TRUE;
clean_and_return:
if (sSendBuffer.buffer != NULL)
{
e->ReleaseByteArrayElements(data, (jbyte*)sSendBuffer.buffer, JNI_ABORT);
}
nfc_cb_data_deinit(&cb_data);
return result;
}
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;
}
static jint com_android_nfc_NativeLlcpSocket_doGetRemoteSocketMIU(JNIEnv *e, jobject o)
{
NFCSTATUS ret;
phLibNfc_Handle hRemoteDevice;
phLibNfc_Handle hLlcpSocket;
phLibNfc_Llcp_sSocketOptions_t remoteSocketOption;
/* Retrieve handles */
hRemoteDevice = nfc_jni_get_p2p_device_handle(e,o);
hLlcpSocket = nfc_jni_get_nfc_socket_handle(e,o);
TRACE("phLibNfc_Llcp_SocketGetRemoteOptions(MIU)");
REENTRANCE_LOCK();
ret = phLibNfc_Llcp_SocketGetRemoteOptions(hRemoteDevice,
hLlcpSocket,
&remoteSocketOption);
REENTRANCE_UNLOCK();
if(ret == NFCSTATUS_SUCCESS)
{
TRACE("phLibNfc_Llcp_SocketGetRemoteOptions(MIU) returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
return remoteSocketOption.miu;
}
else
{
ALOGW("phLibNfc_Llcp_SocketGetRemoteOptions(MIU) returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
return 0;
}
}
static jint com_android_nfc_NativeLlcpSocket_doGetRemoteSocketRW(JNIEnv *e, jobject o)
{
NFCSTATUS ret;
phLibNfc_Handle hRemoteDevice;
phLibNfc_Handle hLlcpSocket;
phLibNfc_Llcp_sSocketOptions_t remoteSocketOption;
/* Retrieve handles */
hRemoteDevice = nfc_jni_get_p2p_device_handle(e,o);
hLlcpSocket = nfc_jni_get_nfc_socket_handle(e,o);
TRACE("phLibNfc_Llcp_SocketGetRemoteOptions(RW)");
REENTRANCE_LOCK();
ret = phLibNfc_Llcp_SocketGetRemoteOptions(hRemoteDevice,
hLlcpSocket,
&remoteSocketOption);
REENTRANCE_UNLOCK();
if(ret == NFCSTATUS_SUCCESS)
{
TRACE("phLibNfc_Llcp_SocketGetRemoteOptions(RW) returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
return remoteSocketOption.rw;
}
else
{
ALOGW("phLibNfc_Llcp_SocketGetRemoteOptions(RW) returned 0x%04x[%s]", ret, nfc_jni_get_status_name(ret));
return 0;
}
}
/*
* JNI registration.
*/
static JNINativeMethod gMethods[] =
{
{"doConnect", "(I)Z",
(void *)com_android_nfc_NativeLlcpSocket_doConnect},
{"doConnectBy", "(Ljava/lang/String;)Z",
(void *)com_android_nfc_NativeLlcpSocket_doConnectBy},
{"doClose", "()Z",
(void *)com_android_nfc_NativeLlcpSocket_doClose},
{"doSend", "([B)Z",
(void *)com_android_nfc_NativeLlcpSocket_doSend},
{"doReceive", "([B)I",
(void *)com_android_nfc_NativeLlcpSocket_doReceive},
{"doGetRemoteSocketMiu", "()I",
(void *)com_android_nfc_NativeLlcpSocket_doGetRemoteSocketMIU},
{"doGetRemoteSocketRw", "()I",
(void *)com_android_nfc_NativeLlcpSocket_doGetRemoteSocketRW},
};
int register_com_android_nfc_NativeLlcpSocket(JNIEnv *e)
{
return jniRegisterNativeMethods(e,
"com/android/nfc/dhimpl/NativeLlcpSocket",gMethods, NELEM(gMethods));
}
} // namespace android