Initial commit

protocol.h

@@ -0,0 +1,63 @@
+#ifndef PROTOCOL_H
+#define PROTOCOL_H
+
+#include <string>
+#include <utility>
+#include "util.h"
+
+
+class protocol
+{
+public:
+	class state
+	{
+	public:
+		enum type
+		{
+			connected,
+			disconnected
+		};
+	};
+
+	typedef std::pair<state::type, std::string> result;
+
+public:
+	explicit protocol(const context& context);
+
+	result openConnection(const std::string& address);
+	result processMessage(const std::string& message);
+
+private:
+	class internalState
+	{
+	public:
+		enum type
+		{
+			none,
+			connect,
+			helo,
+			auth_login_user,
+			auth_login_pass,
+			mail_from,
+			rcpt_to,
+			data,
+			mime_oundary,
+			image_data,
+			disconnect
+		};
+	};
+
+private:
+	result answer(state::type state, std::string answer) const;
+	void appendMessage(const std::string& message);
+
+private:
+	internalState::type m_internalState;
+	std::string m_address;
+	std::string m_message;
+
+	const context& m_context;
+};
+
+#endif // PROTOCOL_H
+