解决scannerlib jni崩溃问题
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@ -304,10 +304,11 @@ extern "C" JNIEXPORT jobjectArray JNICALL Java_com_easing_java_HGScannerLib_GetD
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return devNameList;
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}
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static std::map<HGLibDevice, JNICallbackParam> g_deviceParams;
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extern "C" JNIEXPORT jlong JNICALL Java_com_easing_java_HGScannerLib_OpenDevice(
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JNIEnv* env, jclass clazz, jstring deviceName)
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JNIEnv* env, jobject thiz, jstring deviceName)
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{
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(void)clazz;
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printf("\nJava_com_easing_java_HGScannerLib_OpenDevice\n");
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jboolean isCopy;
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@ -317,6 +318,14 @@ extern "C" JNIEXPORT jlong JNICALL Java_com_easing_java_HGScannerLib_OpenDevice(
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printf("dev=0x%p\n", dev);
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env->ReleaseStringUTFChars(deviceName, ptr);
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if (NULL != dev)
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{
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JNICallbackParam deviceParam;
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env->GetJavaVM(&deviceParam.vm);
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deviceParam.obj = env->NewGlobalRef(thiz);
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g_deviceParams[(HGLibDevice)dev] = deviceParam;
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}
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printf("\n");
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return (jlong)dev;
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}
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@ -324,12 +333,21 @@ extern "C" JNIEXPORT jlong JNICALL Java_com_easing_java_HGScannerLib_OpenDevice(
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extern "C" JNIEXPORT jboolean JNICALL Java_com_easing_java_HGScannerLib_CloseDevice(
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JNIEnv* env, jclass clazz, jlong dev)
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{
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(void)env;
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(void)clazz;
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printf("\nJava_com_easing_java_HGScannerLib_CloseDevice\n");
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HGBool ret = HGLib_CloseDevice((HGLibDevice)dev);
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printf("ret=%d\n", ret);
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if (ret)
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{
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std::map<HGLibDevice, JNICallbackParam>::iterator iter = g_deviceParams.find((HGLibDevice)dev);
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assert(iter != g_deviceParams.end());
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env->DeleteGlobalRef(iter->second.obj);
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iter->second.obj = NULL;
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iter->second.vm = NULL;
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g_deviceParams.erase(iter);
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}
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printf("\n");
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return (jboolean)ret;
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@ -383,13 +401,11 @@ extern "C" JNIEXPORT jstring JNICALL Java_com_easing_java_HGScannerLib_GetDevice
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return fwVersion;
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}
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static std::map<HGLibDevice, JNICallbackParam> g_deviceScanParams;
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static void HGAPI DeviceScanEventFunc(HGLibDevice device, HGUInt event, HGBool err, const HGChar *info, HGPointer param)
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{
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(void)param;
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std::map<HGLibDevice, JNICallbackParam>::iterator iter = g_deviceScanParams.find(device);
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if (iter == g_deviceScanParams.end() || NULL == iter->second.vm)
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std::map<HGLibDevice, JNICallbackParam>::iterator iter = g_deviceParams.find(device);
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if (iter == g_deviceParams.end() || NULL == iter->second.vm)
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{
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return;
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}
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@ -425,23 +441,13 @@ static void HGAPI DeviceScanEventFunc(HGLibDevice device, HGUInt event, HGBool e
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{
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iter->second.vm->DetachCurrentThread();
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}
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if (HGLIB_DEVSCAN_EVENT_END == event)
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{
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printf("HGLIB_DEVSCAN_EVENT_END == event\n");
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env->DeleteGlobalRef(iter->second.obj);
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iter->second.obj = NULL;
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iter->second.vm = NULL;
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g_deviceScanParams.erase(iter);
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}
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}
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static void HGAPI DeviceScanImageFunc(HGLibDevice device, HGLibImage image, HGPointer param)
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{
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(void)param;
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std::map<HGLibDevice, JNICallbackParam>::iterator iter = g_deviceScanParams.find(device);
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if (iter == g_deviceScanParams.end() || NULL == iter->second.vm)
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std::map<HGLibDevice, JNICallbackParam>::iterator iter = g_deviceParams.find(device);
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if (iter == g_deviceParams.end() || NULL == iter->second.vm)
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{
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return;
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}
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@ -480,34 +486,14 @@ static void HGAPI DeviceScanImageFunc(HGLibDevice device, HGLibImage image, HGPo
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}
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extern "C" JNIEXPORT jboolean JNICALL Java_com_easing_java_HGScannerLib_StartDeviceScan(
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JNIEnv* env, jobject thiz, jlong dev)
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JNIEnv* env, jclass clazz, jlong dev)
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{
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(void)env;
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(void)clazz;
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printf("\nJava_com_easing_java_HGScannerLib_StartDeviceScan\n");
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std::map<HGLibDevice, JNICallbackParam>::iterator iter = g_deviceScanParams.find((HGLibDevice)dev);
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if (iter != g_deviceScanParams.end())
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{
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printf("Already Start Device Scan\n");
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return (jboolean)HGFALSE;
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}
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JNICallbackParam deviceScanParam;
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env->GetJavaVM(&deviceScanParam.vm);
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deviceScanParam.obj = env->NewGlobalRef(thiz);
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g_deviceScanParams[(HGLibDevice)dev] = deviceScanParam;
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HGBool ret = HGLib_StartDeviceScan((HGLibDevice)dev, DeviceScanEventFunc, NULL, DeviceScanImageFunc, NULL);
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printf("ret=%d\n", ret);
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if (!ret)
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{
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std::map<HGLibDevice, JNICallbackParam>::iterator iter = g_deviceScanParams.find((HGLibDevice)dev);
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assert(iter != g_deviceScanParams.end());
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env->DeleteGlobalRef(iter->second.obj);
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iter->second.obj = NULL;
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iter->second.vm = NULL;
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g_deviceScanParams.erase(iter);
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}
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printf("\n");
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return (jboolean)ret;
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@ -516,29 +502,12 @@ extern "C" JNIEXPORT jboolean JNICALL Java_com_easing_java_HGScannerLib_StartDev
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extern "C" JNIEXPORT jboolean JNICALL Java_com_easing_java_HGScannerLib_StopDeviceScan(
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JNIEnv* env, jclass clazz, jlong dev)
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{
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(void)env;
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(void)clazz;
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printf("\nJava_com_easing_java_HGScannerLib_StopDeviceScan\n");
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std::map<HGLibDevice, JNICallbackParam>::iterator iter = g_deviceScanParams.find((HGLibDevice)dev);
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if (iter == g_deviceScanParams.end())
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{
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printf("Do not Start Device Scan yet\n");
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return (jboolean)HGFALSE;
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}
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HGBool ret = HGLib_StopDeviceScan((HGLibDevice)dev);
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printf("ret=%d\n", ret);
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if (ret)
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{
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std::map<HGLibDevice, JNICallbackParam>::iterator iter = g_deviceScanParams.find((HGLibDevice)dev);
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if (iter != g_deviceScanParams.end())
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{
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env->DeleteGlobalRef(iter->second.obj);
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iter->second.obj = NULL;
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iter->second.vm = NULL;
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g_deviceScanParams.erase(iter);
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}
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}
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printf("\n");
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return (jboolean)ret;
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