HarmonyOS native回调ts时报错stack-buffer-overflow
native回调ts时报错stack-buffer-overflow,代码如下:
Index.ets:
import { hilog } from '@kit.PerformanceAnalysisKit';
import testNapi from 'libentry.so';
@Entry
@Component
struct Index {
@State message: string = 'Test Node-API callNative result: ';
@State message2: string = 'Test Node-API nativeCallArkTS result: ';
private msg :string |undefined= undefined;
private cnt:number = 0
build() {
Row() {
Column() {
Text(this.message2)
.fontSize(16)
.fontWeight(FontWeight.Bold)
Button('注册log').btnStyle().onClick(() => {
testNapi.registerLog((type: number, level: number, domain: number, tag: string, msg: string)=>{
this.message2+= tag
})
})
Button('打印log').btnStyle().onClick(() => {
hilog.info(0x0000, '当前cnt =%{public}d',this.cnt );
this.cnt ++;
})
}
.width('100%')
}
.height('100%')
}
}
@Extend(Button) function btnStyle() {
.width('100%')
.margin({ top: 8 })
}
Index.d.ts:
export const registerLog:(cb:(type: number, level: number, domain: number, tag: string, msg: string)=>void) => void;
C++:
#include <hilog/log.h>
#include <string>
#include "napi/native_api.h"
using namespace std;
#include "hilog/log.h"
#include <node_api.h>
#include <iostream>
#undef LOG_DOMAIN
#undef LOG_TAG
#define LOG_DOMAIN 0x3200 // 全局domain宏,标识业务领域
#define LOG_TAG "MY_TAG111" // 全局tag宏,标识模块日志tag
napi_env g_env;
napi_callback_info g_info;
napi_ref g_callback_ref;
void MyHiLog(const LogType type, const LogLevel level, const unsigned int domain, const char *tag, const char *msg) {
if (g_env == nullptr || g_callback_ref == nullptr) {
std::cerr << "Environment or callback reference is null" << std::endl;
return;
}
napi_handle_scope scope;
napi_status status = napi_open_handle_scope(g_env, &scope);
if (status != napi_ok) {
std::cerr << "Failed to open handle scope" << std::endl;
return;
}
napi_value global;
status = napi_get_global(g_env, &global);
if (status != napi_ok) {
std::cerr << "Failed to get global object" << std::endl;
napi_close_handle_scope(g_env, scope);
return;
}
napi_value callback;
status = napi_get_reference_value(g_env, g_callback_ref, &callback);
if (status != napi_ok) {
std::cerr << "Failed to get callback reference" << std::endl;
napi_close_handle_scope(g_env, scope);
return;
}
napi_value argv[5];
status = napi_create_int32(g_env, type, &argv[0]);
if (status != napi_ok) {
std::cerr << "Failed to create int32 for type" << std::endl;
napi_close_handle_scope(g_env, scope);
return;
}
status = napi_create_int32(g_env, level, &argv[1]);
if (status != napi_ok) {
std::cerr << "Failed to create int32 for level" << std::endl;
napi_close_handle_scope(g_env, scope);
return;
}
status = napi_create_uint32(g_env, domain, &argv[2]);
if (status != napi_ok) {
std::cerr << "Failed to create uint32 for domain" << std::endl;
napi_close_handle_scope(g_env, scope);
return;
}
status = napi_create_string_utf8(g_env, tag, NAPI_AUTO_LENGTH, &argv[3]);
if (status != napi_ok) {
std::cerr << "Failed to create string for tag" << std::endl;
napi_close_handle_scope(g_env, scope);
return;
}
status = napi_create_string_utf8(g_env, msg, NAPI_AUTO_LENGTH, &argv[4]);
if (status != napi_ok) {
std::cerr << "Failed to create string for msg" << std::endl;
napi_close_handle_scope(g_env, scope);
return;
}
napi_valuetype valuetype;
status = napi_typeof(g_env, callback, &valuetype);
if (status != napi_ok || valuetype != napi_function) {
std::cerr << "Callback is not a function" << std::endl;
napi_close_handle_scope(g_env, scope);
return;
}
napi_value result;
std::cerr << "Calling JavaScript function..." << std::endl;
status = napi_call_function(g_env, global, callback, 5, argv, &result);
if (status != napi_ok) {
std::cerr << "Failed to call function" << std::endl;
} else {
std::cerr << "Function called successfully" << std::endl;
}
napi_close_handle_scope(g_env, scope);
}
static napi_value registerLog(napi_env env, napi_callback_info info) {
size_t argc = 1;
napi_value args[1];
napi_status status = napi_get_cb_info(env, info, &argc, args, nullptr, nullptr);
if (status != napi_ok) {
napi_throw_error(env, nullptr, "Failed to get callback info");
return nullptr;
}
if (argc < 1) {
napi_throw_error(env, nullptr, "Callback function expected");
return nullptr;
}
status = napi_create_reference(env, args[0], 1, &g_callback_ref);
if (status != napi_ok) {
napi_throw_error(env, nullptr, "Failed to create reference");
return nullptr;
}
g_env = env;
// 注册回调接口
OH_LOG_SetCallback(MyHiLog);
return nullptr;
}
EXTERN_C_START
static napi_value Init(napi_env env, napi_value exports) {
napi_property_descriptor desc[] = {
{"registerLog", nullptr, registerLog, nullptr, nullptr, nullptr, napi_default, nullptr}
};
napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
return exports;
}
EXTERN_C_END
static napi_module demoModule = {
.nm_version = 1,
.nm_flags = 0,
.nm_filename = nullptr,
.nm_register_func = Init,
.nm_modname = "entry",
.nm_priv = ((void *)0),
.reserved = {0},
};
extern "C" __attribute__((constructor)) void RegisterEntryModule(void) { napi_module_register(&demoModule); }
报错信息:
Reason:Signal:SIGSEGV(SEGV_ACCERR)@0x0000005bb4261ff0 current thread stack low address = 0x0000005bb4262000, probably caused by stack-buffer-overflow
HarmonyOS
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MyHiLog中要判断type为非0的时候直接return,LogType为0表示为当前进程的日志。