mirror of
https://git.code.sf.net/p/quake/quakeforge
synced 2024-11-14 17:01:22 +00:00
dbd3d6502a
I never liked it, but with C2x coming out, it's best to handle bools properly. I haven't gone through all the uses of int as bool (I'll leave that for fixing when I encounter them), but this gets QF working with both c2x (really, gnu2x because of raw strings).
456 lines
12 KiB
C
456 lines
12 KiB
C
/*
|
|
netmain.h
|
|
|
|
@description@
|
|
|
|
Copyright (C) 1996-1997 Id Software, Inc.
|
|
|
|
This program is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU General Public License
|
|
as published by the Free Software Foundation; either version 2
|
|
of the License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
|
|
See the GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to:
|
|
|
|
Free Software Foundation, Inc.
|
|
59 Temple Place - Suite 330
|
|
Boston, MA 02111-1307, USA
|
|
|
|
*/
|
|
|
|
#ifndef __net_h
|
|
#define __net_h
|
|
|
|
#include "QF/quakeio.h"
|
|
#include "QF/sizebuf.h"
|
|
|
|
/** \defgroup nq-net NetQuake network support.
|
|
\ingroup network
|
|
*/
|
|
///@{
|
|
|
|
typedef struct
|
|
{
|
|
//FIXME not yet ready for ipv6
|
|
//#ifdef HAVE_IPV6
|
|
// byte ip[16];
|
|
//#else
|
|
byte ip[4];
|
|
//#endif
|
|
unsigned short port;
|
|
unsigned short family;
|
|
} netadr_t;
|
|
|
|
#define NET_NAMELEN 64
|
|
|
|
#define NET_MAXMESSAGE 32000
|
|
#define NET_HEADERSIZE (2 * sizeof(unsigned int))
|
|
#define NET_DATAGRAMSIZE (MAX_DATAGRAM + NET_HEADERSIZE)
|
|
|
|
/** \name NetHeader flags
|
|
*/
|
|
///@{
|
|
#define NETFLAG_LENGTH_MASK 0x0000ffff
|
|
#define NETFLAG_DATA 0x00010000
|
|
#define NETFLAG_ACK 0x00020000
|
|
#define NETFLAG_NAK 0x00040000
|
|
#define NETFLAG_EOM 0x00080000
|
|
#define NETFLAG_UNRELIABLE 0x00100000
|
|
#define NETFLAG_CTL 0x80000000
|
|
///@}
|
|
|
|
|
|
#define NET_PROTOCOL_VERSION 3
|
|
|
|
/** \name Connection Protocol
|
|
|
|
This is the network info/connection protocol. It is used to find Quake
|
|
servers, get info about them, and connect to them. Once connected, the
|
|
Quake game protocol (documented elsewhere) is used.
|
|
|
|
General notes:
|
|
|
|
\note There are two address forms used. The short form is just a
|
|
port number. The address that goes along with the port is defined as
|
|
"whatever address you receive this reponse from". This lets us use
|
|
the host OS to solve the problem of multiple host addresses (possibly
|
|
with no routing between them); the host will use the right address
|
|
when we reply to the inbound connection request. The long from is
|
|
a full address and port in a string. It is used for returning the
|
|
address of a server that is not running locally.
|
|
*/
|
|
///@{
|
|
|
|
/** Connect Request:
|
|
\arg \b string \c game_name \em "QUAKE"
|
|
\arg \b byte \c net_protocol_version \em NET_PROTOCOL_VERSION
|
|
|
|
\note \c game_name is currently always "QUAKE", but is there so this
|
|
same protocol can be used for future games as well
|
|
*/
|
|
#define CCREQ_CONNECT 0x01
|
|
|
|
/** Connect Request:
|
|
\arg \b string \c game_name \em "QUAKE"
|
|
\arg \b byte \c net_protocol_version \em NET_PROTOCOL_VERSION
|
|
|
|
\note \c game_name is currently always "QUAKE", but is there so this
|
|
same protocol can be used for future games as well
|
|
*/
|
|
#define CCREQ_SERVER_INFO 0x02
|
|
|
|
/** Connect Request:
|
|
\arg \b byte \c player_number
|
|
*/
|
|
#define CCREQ_PLAYER_INFO 0x03
|
|
|
|
/** Connect Request:
|
|
\arg \b string \c rule
|
|
*/
|
|
#define CCREQ_RULE_INFO 0x04
|
|
|
|
|
|
/** Connect Reply:
|
|
\arg \b long \c port The port which the client is to use for further
|
|
communication.
|
|
*/
|
|
#define CCREP_ACCEPT 0x81
|
|
|
|
/** Connect Reply:
|
|
\arg \b string \c reason
|
|
*/
|
|
#define CCREP_REJECT 0x82
|
|
|
|
/** Connect Reply:
|
|
\arg \b string \c server_address
|
|
\arg \b string \c host_name
|
|
\arg \b string \c level_name
|
|
\arg \b byte \c current_players
|
|
\arg \b byte \c max_players
|
|
\arg \b byte \c protocol_version \em NET_PROTOCOL_VERSION
|
|
*/
|
|
#define CCREP_SERVER_INFO 0x83
|
|
|
|
/** Connect Reply:
|
|
\arg \b byte \c player_number
|
|
\arg \b string \c name
|
|
\arg \b long \c colors
|
|
\arg \b long \c frags
|
|
\arg \b long \c connect_time
|
|
\arg \b string \c address
|
|
*/
|
|
#define CCREP_PLAYER_INFO 0x84
|
|
|
|
/** Connect Reply:
|
|
\arg \b string \c rule
|
|
\arg \b string \c value
|
|
*/
|
|
#define CCREP_RULE_INFO 0x85
|
|
///@}
|
|
|
|
typedef struct qsocket_s {
|
|
struct qsocket_s *next;
|
|
/// \name socket timing
|
|
//@{
|
|
double connecttime; ///< Time client connected.
|
|
double lastMessageTime; ///< Time last message was received.
|
|
double lastSendTime; ///< Time last message was sent.
|
|
//@}
|
|
|
|
/// \name socket status
|
|
//@{
|
|
bool disconnected; ///< Socket is not in use.
|
|
bool canSend; ///< Socket can send a message.
|
|
bool sendNext;
|
|
//@}
|
|
|
|
/// \name socket drivers
|
|
//@{
|
|
int driver; ///< Net driver used by this socket.
|
|
int landriver; ///< Lan driver used by this socket.
|
|
int socket; ///< Lan driver socket handle.
|
|
void *driverdata; ///< Net driver private data.
|
|
//@}
|
|
|
|
/// \name message transmission
|
|
//@{
|
|
unsigned int ackSequence;
|
|
unsigned int sendSequence;
|
|
unsigned int unreliableSendSequence;
|
|
int sendMessageLength;
|
|
byte sendMessage[NET_MAXMESSAGE];
|
|
//@}
|
|
|
|
/// \name message reception
|
|
//@{
|
|
unsigned int receiveSequence;
|
|
unsigned int unreliableReceiveSequence;
|
|
int receiveMessageLength;
|
|
byte receiveMessage[NET_MAXMESSAGE];
|
|
//@}
|
|
|
|
/// \name socket address
|
|
//@{
|
|
netadr_t addr;
|
|
char address[NET_NAMELEN]; ///< Human readable form.
|
|
//@}
|
|
} qsocket_t;
|
|
|
|
/** \name socket management
|
|
*/
|
|
///@{
|
|
extern qsocket_t *net_activeSockets;
|
|
extern qsocket_t *net_freeSockets;
|
|
extern int net_numsockets;
|
|
///@}
|
|
|
|
#define MAX_NET_DRIVERS 8
|
|
|
|
extern int DEFAULTnet_hostport;
|
|
extern int net_hostport;
|
|
|
|
extern int net_driverlevel;
|
|
|
|
/** \name message statistics
|
|
*/
|
|
///@{
|
|
extern int messagesSent;
|
|
extern int messagesReceived;
|
|
extern int unreliableMessagesSent;
|
|
extern int unreliableMessagesReceived;
|
|
///@}
|
|
|
|
/** Create and initialize a new qsocket.
|
|
|
|
Called by drivers when a new communications endpoint is required.
|
|
The sequence and buffer fields will be filled in properly.
|
|
|
|
\return The qsocket representing the connection.
|
|
*/
|
|
qsocket_t *NET_NewQSocket (void);
|
|
|
|
/** Destroy a qsocket.
|
|
|
|
\param sock The qsocket representing the connection.
|
|
*/
|
|
void NET_FreeQSocket(qsocket_t *sock);
|
|
|
|
/** Cache the system time for the network sub-system.
|
|
|
|
\return The current time.
|
|
*/
|
|
double SetNetTime(void);
|
|
|
|
|
|
#define HOSTCACHESIZE 8
|
|
|
|
typedef struct {
|
|
char name[16];
|
|
char map[16];
|
|
char cname[32];
|
|
int users;
|
|
int maxusers;
|
|
int driver;
|
|
int ldriver;
|
|
netadr_t addr;
|
|
} hostcache_t;
|
|
|
|
void NET_AddCachedHost (const char *name, const char *map, const char *cname,
|
|
int users, int maxusers, int driver, int ldriver,
|
|
const netadr_t *addr);
|
|
|
|
extern double net_time;
|
|
extern struct msg_s *net_message;
|
|
extern unsigned net_activeconnections;
|
|
|
|
struct cbuf_s;
|
|
|
|
/** Initialize the networking sub-system.
|
|
*/
|
|
void NET_Init (struct cbuf_s *cbuf);
|
|
|
|
/** Check for new connections.
|
|
|
|
\return Pointer to the qsocket for the new connection if there
|
|
is one, otherwise null.
|
|
*/
|
|
struct qsocket_s *NET_CheckNewConnections (void);
|
|
|
|
/** Connect to a host.
|
|
|
|
\param host The name of the host to which will be connected.
|
|
\return Pointer to the qsocket representing the connection, or
|
|
null if unable to connect.
|
|
*/
|
|
struct qsocket_s *NET_Connect (const char *host);
|
|
|
|
/** Check if a message can be sent to the connection.
|
|
|
|
\param sock The qsocket representing the connection.
|
|
\return True if the message can be sent.
|
|
*/
|
|
bool NET_CanSendMessage (qsocket_t *sock);
|
|
|
|
/** Read a single message from the connection into net_message.
|
|
|
|
If there is a complete message, return it in net_message.
|
|
|
|
\param sock The qsocket representing the connection.
|
|
\return 0 if no data is waiting.
|
|
\return 1 if a message was received.
|
|
\return -1 if the connection died.
|
|
*/
|
|
int NET_GetMessage (struct qsocket_s *sock);
|
|
|
|
/** Send a single reliable message to the connection.
|
|
|
|
Try to send a complete length+message unit over the reliable stream.
|
|
|
|
\param sock The qsocket representing the connection.
|
|
\param data The message to send.
|
|
\return 0 if the message connot be delivered reliably, but the
|
|
connection is still considered valid
|
|
\return 1 if the message was sent properly
|
|
\return -1 if the connection died
|
|
*/
|
|
int NET_SendMessage (struct qsocket_s *sock, sizebuf_t *data);
|
|
|
|
/** Send a single unreliable message to the connection.
|
|
|
|
\param sock The qsocket representing the connection.
|
|
\param data The message to send.
|
|
\return 1 if the message was sent properly
|
|
\return -1 if the connection died
|
|
*/
|
|
int NET_SendUnreliableMessage (struct qsocket_s *sock, sizebuf_t *data);
|
|
|
|
/** Send a reliable message to all attached clients.
|
|
|
|
\param data The message to send.
|
|
\param blocktime The blocking timeout in seconds.
|
|
\return The number of clients to which the message could not be
|
|
sent before the timeout.
|
|
*/
|
|
int NET_SendToAll(sizebuf_t *data, double blocktime);
|
|
|
|
/** Close a connection.
|
|
|
|
If a dead connection is returned by a get or send function, this function
|
|
should be called when it is convenient.
|
|
|
|
Server calls when a client is kicked off for a game related misbehavior
|
|
like an illegal protocal conversation. Client calls when disconnecting
|
|
from a server.
|
|
|
|
A netcon_t number will not be reused until this function is called for it
|
|
|
|
\param sock The qsocket representing the connection.
|
|
*/
|
|
void NET_Close (struct qsocket_s *sock);
|
|
|
|
/** Run any current poll procedures.
|
|
*/
|
|
void NET_Poll(void);
|
|
|
|
|
|
typedef struct _PollProcedure {
|
|
struct _PollProcedure *next;
|
|
double nextTime;
|
|
void (*procedure)(void *);
|
|
void *arg;
|
|
} PollProcedure;
|
|
|
|
/** Schedule a poll procedure to run.
|
|
|
|
The poll procedure will be called by NET_Poll() no earlier than
|
|
"now"+timeOffset.
|
|
|
|
\param pp The poll procedure to shedule.
|
|
\param timeOffset The time offset from "now" at which the procedure
|
|
will be run.
|
|
*/
|
|
void SchedulePollProcedure(PollProcedure *pp, double timeOffset);
|
|
|
|
extern bool tcpipAvailable;
|
|
extern char my_tcpip_address[NET_NAMELEN];
|
|
|
|
extern bool slistInProgress;
|
|
extern bool slistSilent;
|
|
extern bool slistLocal;
|
|
|
|
extern char *hostname;
|
|
|
|
extern QFile *vcrFile;
|
|
|
|
///@}
|
|
|
|
/** \defgroup nq-ld NetQuake lan drivers.
|
|
\ingroup nq-net
|
|
*/
|
|
///@{
|
|
|
|
typedef struct {
|
|
const char *name;
|
|
bool initialized;
|
|
int controlSock;
|
|
int (*Init) (void);
|
|
void (*Shutdown) (void);
|
|
void (*Listen) (bool state);
|
|
int (*OpenSocket) (int port);
|
|
int (*CloseSocket) (int socket);
|
|
int (*Connect) (int socket, netadr_t *addr);
|
|
int (*CheckNewConnections) (void);
|
|
int (*Read) (int socket, byte *buf, int len, netadr_t *addr);
|
|
int (*Write) (int socket, byte *buf, int len, netadr_t *addr);
|
|
int (*Broadcast) (int socket, byte *buf, int len);
|
|
const char * (*AddrToString) (netadr_t *addr);
|
|
int (*GetSocketAddr) (int socket, netadr_t *addr);
|
|
int (*GetNameFromAddr) (netadr_t *addr, char *name);
|
|
int (*GetAddrFromName) (const char *name, netadr_t *addr);
|
|
int (*AddrCompare) (netadr_t *addr1, netadr_t *addr2);
|
|
int (*GetSocketPort) (netadr_t *addr);
|
|
int (*SetSocketPort) (netadr_t *addr, int port);
|
|
} net_landriver_t;
|
|
|
|
extern int net_numlandrivers;
|
|
extern net_landriver_t net_landrivers[MAX_NET_DRIVERS];
|
|
|
|
///@}
|
|
|
|
/** \defgroup nq-nd NetQuake network drivers.
|
|
\ingroup nq-net
|
|
*/
|
|
///@{
|
|
|
|
typedef struct {
|
|
const char *name;
|
|
bool initialized;
|
|
int (*Init) (void);
|
|
void (*Listen) (bool state);
|
|
void (*SearchForHosts) (bool xmit);
|
|
qsocket_t *(*Connect) (const char *host);
|
|
qsocket_t *(*CheckNewConnections) (void);
|
|
int (*QGetMessage) (qsocket_t *sock);
|
|
int (*QSendMessage) (qsocket_t *sock, sizebuf_t *data);
|
|
int (*SendUnreliableMessage) (qsocket_t *sock, sizebuf_t *data);
|
|
bool (*CanSendMessage) (qsocket_t *sock);
|
|
bool (*CanSendUnreliableMessage) (qsocket_t *sock);
|
|
void (*Close) (qsocket_t *sock);
|
|
void (*Shutdown) (void);
|
|
int controlSock;
|
|
} net_driver_t;
|
|
|
|
extern int net_numdrivers;
|
|
extern net_driver_t net_drivers[MAX_NET_DRIVERS];
|
|
extern int net_is_dedicated;
|
|
|
|
///@}
|
|
|
|
#endif // __net_h
|