// Smersh
//
// Douglas Thrift
//
// $Id$

#ifndef _Daemon_hpp_
#define _Daemon_hpp_

#include <arpa/inet.h>
#include <sys/utsname.h>
#include <menes-api/socket.hpp>
#include <menes-api/threads.hpp>
#include <menes-etl/fnbind.hpp>
#include <menes-ios/stdadapters.hpp>

#include "Matcher/Matcher.hpp"
#include "Person.hpp"

class Daemon
{
protected:
	struct Client
	{
		api::InternetAddress ip;
		ext::StackReference<api::Socket> socket;
		Client(api::TcpSocket& server) : socket(server, &ip) {}
	};
	enum Status { ok = 200, found = 302, seeOther, bad = 400, notFound = 404,
		lengthRequired = 411, mediaType = 415, serverError = 500,
		notImplemented, version = 505 };
private:
	int port;
	virtual int handle(Client* client);
	void headers(istream& sin, Environment& env);
	Status message(istream& sin, Environment& env, ostream& post);
protected:
	static string crlf;
	string log;
	void serve(Daemon* self);
	istream& getline(istream& sin, string& line) { std::getline(sin, line,
		'\r'); sin.get(); return sin; }
	Status request(istream& sin, Environment& env, ostream& post, ostream& log);
	void response(ostream& sout, Status status);
	string reason(Status status);
	string server();
	string server(const Environment& env);
	streamsize error(ostream& sout, Status status, const Environment& env);
	string date(bool log = false);
public:
	Daemon(int port, const string& log, bool run = true) : port(port), log(log)
	{ if (run) { Person::configure(); serve(this); } }
	virtual ~Daemon() {}
};

#endif // _Daemon_hpp_