我在我的项目中使用 boost 库。当我在编写 rest http 客户端代码时,我收到了这个错误。
libc++abi.dylib:以 std::__1::bad_weak_ptr: bad_weak_ptr 类型的未捕获异常终止
template <typename M>
21 class Http: public std::enable_shared_from_this<Http<M>>
22 {
23 M* message_;
24 bool isSubscribe_;
25 boost::asio::io_context io_;
26 boost::asio::ip::tcp::resolver resolver_;
27 boost::beast::tcp_stream stream_;
28 boost::beast::flat_buffer buffer_;
29 boost::beast::http::request<boost::beast::http::empty_body> req_;
30 boost::beast::http::response<boost::beast::http::string_body> res_;
31 std::function<void(M*)> callback_;
32
33 void SetUpRestHeader() {
34 req_.method(boost::beast::http::verb::get);
35 req_.target(message_ -> header_ -> target_);
36 req_.set(boost::beast::http::field::host, message_ -> header_ -> host_);
37 req_.set(boost::beast::http::field::user_agent, BOOST_BEAST_VERSION_STRING);
38
39 resolver_.async_resolve(message_ -> header_ -> host_
40 , message_ -> header_ -> port_
41 , boost::beast::bind_front_handler(
42 &Http::OnResolve
43 , this -> shared_from_this()));
44 }
45
.......
128 explicit Http()
129 :io_{}
130 , resolver_(io_)
131 , stream_(io_)
132 {
133 message_ = new M;
134 }
135
136 M RequestRestMessage()
137 {
138 auto ptr = this -> shared_from_this();
139 isSubscribe_ = false;
140 SetUpRestHeader();
141 }
142 };
151 int main()
152 {
153 Http<binance::ServerTime> http;
154 http.RequestRestMessage();
155 }
即使我没有在构造函数中调用 shared_from_this 也会发生错误。请分享你的智慧。谢谢!