Question

我试图使用libtins库来嗅探我的网络流量。所以我下载了 tar.gz 库，然后我成功完成了手册中提到的所有库编译步骤。

现在，我正在尝试编译我的第一个示例程序：

  1 #include <iostream>
  2 #include <tins/tins.h>
  3 
  4 using namespace Tins;
  5 
  6 bool callback(const PDU &pdu) {
  7     const IP &ip = pdu.rfind_pdu<IP>(); // Find the IP layer
  8     const TCP &tcp = pdu.rfind_pdu<TCP>(); // Find the TCP layer
  9     std::cout << ip.src_addr() << ':' << tcp.sport() << " -> "
 10               << ip.dst_addr() << ':' << tcp.dport() << std::endl;
 11     return true;
 12 }
 13 
 14 int main() {
 15     Sniffer("eth0").sniff_loop(callback);
 16 }

当我想编译它时，我面临以下错误：

me@me-MS-7693:~/Desktop/Workspace/cpp_libtins$ g++ main.cpp -ltins
In file included from /usr/local/include/tins/tins.h:60:0,
                 from main.cpp:2:
/usr/local/include/tins/crypto.h:297:18: error: ‘function’ in namespace ‘std’ does not name a template type
     typedef std::function<void(const std::string&,
                  ^
/usr/local/include/tins/crypto.h:308:18: error: ‘function’ in namespace ‘std’ does not name a template type
     typedef std::function<void(const std::string&,
                  ^
/usr/local/include/tins/crypto.h:401:44: error: ‘handshake_captured_callback_type’ does not name a type
     void handshake_captured_callback(const handshake_captured_callback_type& callback);
                                            ^
/usr/local/include/tins/crypto.h:412:34: error: ‘ap_found_callback_type’ does not name a type
     void ap_found_callback(const ap_found_callback_type& callback);
                                  ^
/usr/local/include/tins/crypto.h:445:9: error: ‘handshake_captured_callback_type’ does not name a type
         handshake_captured_callback_type handshake_captured_callback_;
         ^
/usr/local/include/tins/crypto.h:446:9: error: ‘ap_found_callback_type’ does not name a type
         ap_found_callback_type ap_found_callback_;
         ^
me@me-MS-7693:~/Desktop/Workspace/cpp_libtins$

有什么问题？

我的编译器版本：

me@me-MS-7693:~/Desktop/Workspace/cpp_libtins$ g++ --version
g++ (Ubuntu 5.4.0-6ubuntu1~16.04.2) 5.4.0 20160609
Copyright (C) 2015 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

me@me-MS-7693:~/Desktop/Workspace/cpp_libtins$

Answer 1

由于您的GCC早于6.0，因此您需要通过-std=c++11开关otherwise it is in C++03 mode。 C ++ 03没有std::function。

编译错误：＆＃34;命名空间'std'中的'function'没有命名模板类型＆＃34;

1 个答案: