#鸿蒙通关秘籍#如何通过HiLog日志监听实现ArkTS用例的自动化验证？

static napi_value SetLogCallback(napi_env env, napi_callback_info info) {
    size_t argc = 2;
    napi_value args[2];
    napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
    size_t logSize;
    napi_get_value_string_utf8(env, args[0], logToFilter, MAX_LOG_LEN, &logSize);
    
    napi_valuetype valueType = napi_undefined;
    napi_typeof(env, args[1], &valueType);
    if (valueType != napi_function) {
        return nullptr;
    }

    napi_create_reference(env, args[1], 1, &callbackRef);
    g_env = env;
    OH_LOG_SetCallback(HiLogCallbackFilter);
    return nullptr;
}
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static void HiLogCallbackFilter(const LogType type, const LogLevel level, const unsigned int domain, const char *tag,
                 const char *msg) {
    std::string strMsg(msg, strlen(msg) + 1);    
    size_t foundIndex = strMsg.find(logToFilter);
    if (foundIndex != -1) {
        napi_value callback;
        napi_get_reference_value(g_env, callbackRef, &callback);
        napi_value hilogArg;
        napi_create_string_utf8(g_env, msg, NAPI_AUTO_LENGTH, &hilogArg);
        napi_value ret;
        napi_call_function(g_env, nullptr, callback, 1, &hilogArg, &ret);
    }
}
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static napi_value CancelLogCallback(napi_env env, napi_callback_info info) {
    OH_LOG_SetCallback(nullptr);
    napi_delete_reference(env, callbackRef);
    return nullptr;
}
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