active socket

boost_boilerplate/CMakeLists.txt

@@ -33,11 +33,15 @@ target_link_libraries(server_endpoint PRIVATE Threads::Threads)
 
 add_executable(active_socket
   active_socket.cpp
-  src/sdk.h
-  passive_socket.cpp)
+  src/sdk.h)
 target_link_libraries(active_socket PRIVATE Threads::Threads)
 
 add_executable(passive_socket
   passive_socket.cpp
   src/sdk.h)
 target_link_libraries(passive_socket PRIVATE Threads::Threads)
+
+add_executable(resolving_dns
+  resolving_dns.cpp
+  src/sdk.h)
+target_link_libraries(resolving_dns PRIVATE Threads::Threads)

boost_boilerplate/resolving_dns.cpp

@@ -0,0 +1,36 @@
+#include "src/sdk.h"
+#include <boost/asio.hpp>
+#include <iostream>
+
+using namespace boost;
+namespace sys = boost::system;
+namespace net = boost::asio;
+using namespace std;
+
+int main()
+{
+  string host = "yandex.ru"s;
+  string port = "8080";
+
+  net::io_context ios;
+  net::ip::tcp::resolver::query resolver_query(
+    host, port, net::ip::tcp::resolver::query::numeric_service
+    );
+
+  net::ip::tcp::resolver resolver(ios);
+
+  sys::error_code ec;
+
+  net::ip::tcp::resolver::iterator iter = resolver.resolve(resolver_query, ec);
+
+  if (ec)
+  {
+    cout << "Error!" << endl;
+
+    return ec.value();
+  }
+
+  cout << "Your ip is: "s << iter->endpoint().address().to_string() << endl;
+
+  return EXIT_SUCCESS;
+}