made client_network_manager mostly working. it can handle a handshake

chat_networking.hpp

@@ -1,40 +1,93 @@
 #include <iostream>
+#include <string>
 #include <functional>
+#include <thread>
 #include <boost/asio.hpp>
+#include <algorithm>
 #include "chat_messages.hpp"
 
 
 
-class client_network_manager
-{
 using namespace boost;
 using boost::asio::ip::tcp;
 
+class client_network_manager
+{
 private:
-    asio::io_service _ios;
-    tcp::socket _socket;
-    asio::streambuf _sb;
-    std::istream _is{&sb};
-    std::ostream _os{&sb};
+    std::string _login;
 
-    void handshake(boost::system::error_code ec, size_t)
+    asio::io_service& _ios;
+    tcp::socket _socket;
+    asio::streambuf _isb;
+    asio::streambuf _osb;
+    std::istream _is;
+    std::ostream _os;
+
+
+    static void throw_if_error(boost::system::error_code& ec)
     {
         if (ec)
             throw std::runtime_error("Networking error: " + ec.message());
+    }
 
-        // TODO: do handshake & read-loop
+    std::string receive_message_sync()
+    {
+        std::string data;
+        asio::read_until(_socket, _isb, static_cast<char>(message::TERM));
+        std::getline(_is, data, static_cast<char>(message::TERM));
+
+        return data;
+    }
+
+    void handshake(boost::system::error_code ec, tcp::resolver::iterator)
+    {
+        throw_if_error(ec);
+
+        std::cout << receive_message_sync() << '\n';
+
+        _os << chat_message(message::HELLO);
+        _os << chat_message(message::NEPTUN, _login);
+        std::reverse(_login.begin(), _login.end());
+        _os << chat_message(message::PASSW, _login);
+        asio::write(_socket, _osb);
+
+        std::cout << receive_message_sync() << '\n';
+        std::cout << receive_message_sync() << '\n';
+        std::cout << receive_message_sync() << '\n';
+
+        receive();
+    }
+
+    void receive()
+    {
+        asio::async_read(_socket, _isb,
+                         [this](boost::system::error_code ec, size_t)
+                         {
+                             throw_if_error(ec);
+
+                             std::string data;
+                             std::getline(_is, data, static_cast<char>(message::TERM));
+                             std::cout << data << std::endl;
+
+                             receive();
+                         });
+    }
+
+    void connect(boost::asio::ip::tcp::resolver::iterator epit)
+    {
+        asio::async_connect(_socket, epit,
+                            std::bind(&client_network_manager::handshake, this, std::placeholders::_1,
+                                                                                std::placeholders::_2));
     }
 
 public:
-    client_network_manager(tcp::resolver::query query)
-    {
-        asio::async_connect(_socket,tcp::resolver().resolve(query),
-                            std::bind(&client_network_manager::handshake, this));
-    }
+    client_network_manager(asio::io_service& ioservice, tcp::resolver::iterator epit, std::string login)
+    :_ios(ioservice), _socket(_ios), _isb(), _osb(), _is(&_isb), _os(&_osb), _login(login)
+    { connect(epit); }
 
     void send(chat_message message)
     {
         _ios.post([this, message]
-                  { asio::async_write(_socket, asio::buffer(message.get()), []{}); });
+                  { asio::async_write(_socket, asio::buffer(message.get()), [](boost::system::error_code, size_t){}); });
     }
 };