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/*
core/netserver.h
This file is part of the Osirion project and is distributed under
the terms of the GNU General Public License version 2
*/
#ifndef __INCLUDED_CORE_NETSERVER_H__
#define __INCLUDED_CORE_NETSERVER_H__
#ifndef _WIN32
#include <sys/select.h>
#else
#include <windows.h>
#endif
#include <list>
#include <string>
#include "core/net.h"
#include "core/netclient.h"
#include "core/player.h"
namespace core
{
/// Network server
class NetServer
{
public:
typedef std::list<NetClient *> Clients;
NetServer(std::string const host, unsigned int const port);
~NetServer();
/*----- inspectors ------------------------------------------------ */
/// Returns true if the TCP server has a valid file descriptor
inline bool valid() const { return netserver_fd != -1; }
/// Returns true if the TCP server has an invalid file descriptor
inline bool invalid() const { return netserver_fd == -1; }
/// Returns the error state of the TCP server
inline bool error() const { return netserver_error; }
/// Return the socket file descriptor
inline int fd() const { return netserver_fd; }
/*----- mutators -------------------------------------------------- */
/// receive data from clients
void receive();
/// transmit data to clients
void transmit();
/// broadcast a message
void broadcast_message(const char *channel, std::string const & message, Player *ignore_player=0);
/// send a message to a single client
void send_message(NetClient *client, const char *channel, std::string const & message);
/// disconnect a single client
void send_disconnect(NetClient *client);
/// broadcast a server frame message
void broadcast_frame(float timestamp, float previoustimestamp);
/// broadcast a delete entity event
void broadcast_entity_delete(Entity *entity);
/// broadcast a create entity event
void broadcast_entity_create(Entity *entity);
/// send a create entity event to a single player
void send_entity_create(NetClient *client, Entity *entity);
/// send a zone update event to a single player
void send_zone_update(NetClient *client, Zone *zone);
/// broadcast a update entity event
void broadcast_entity_update(Entity *entity);
/// broadcast updated player information, if necessary
void broadcast_player_update();
/// send an update player information message to a single client
void send_player_update(NetClient *client);
/// find the client corresponding to a player
NetClient *find_client(Player const *player);
protected:
/// set the error state
void abort();
/// called when a new client connects
NetClient *client_connect(std::string const host, int const port);
/// called when a client has send the intial handshake
void client_initialize(NetClient *client);
/// remove terminated clients
void reap();
/// parse incoming client messages
void parse_incoming_message(NetClient *client, const std::string & message);
private:
bool netserver_error;
int netserver_fd;
struct sockaddr_in netserver_addr;
fd_set serverset;
int fdmax;
char recbuf[FRAMESIZE];
Clients clients;
};
}
#endif // __INCLUDED_CORE_NETSERVER_H__
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