added abstraction for html parsing and response handling

includes/request_parser.hpp

@@ -0,0 +1,23 @@
+#ifndef REQUEST_PARSER_HPP
+#define REQUEST_PARSER_HPP
+
+#include <istream>
+#include <map>
+#include <string>
+
+using namespace std;
+
+struct HttpRequest {
+    string method;
+    string uri;
+    string version;
+    map<string, string> headers;
+    string body;
+};
+
+class request_parser {
+public:
+    HttpRequest& parse(istream& data_stream);
+};
+
+#endif

includes/response_handler.hpp

@@ -0,0 +1,14 @@
+#ifndef RESPONSE_HANDLER_HPP
+#define RESPONSE_HANDLER_HPP
+
+#include "request_parser.hpp"
+#include <string>
+
+using namespace std;
+
+class response_handler {
+public:
+    string& handle(HttpRequest request);
+};
+
+#endif

includes/tcp_connection.hpp

@@ -4,6 +4,8 @@
 #include <boost/system/detail/error_code.hpp>
 #include <memory>
 #include <boost/asio.hpp>
+#include "request_parser.hpp"
+#include "response_handler.hpp"
 
 using namespace boost;
 using namespace std;
@@ -19,6 +21,8 @@ public:
 private:
     asio::ip::tcp::socket socket_;
     asio::streambuf buffer_;
+    request_parser request_parser_;
+    response_handler response_handler_;
 
     explicit tcp_connection(asio::io_context& io_context);