mirror of
https://git.code.sf.net/p/quake/quakeforge-old
synced 2024-11-23 04:11:55 +00:00
318 lines
9 KiB
C
318 lines
9 KiB
C
/*
|
|
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 the Free Software
|
|
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
*/
|
|
// net.h -- quake's interface to the networking layer
|
|
|
|
struct qsockaddr
|
|
{
|
|
short sa_family;
|
|
unsigned char sa_data[14];
|
|
};
|
|
|
|
|
|
#define NET_NAMELEN 64
|
|
|
|
#define NET_MAXMESSAGE 8192
|
|
#define NET_HEADERSIZE (2 * sizeof(unsigned int))
|
|
#define NET_DATAGRAMSIZE (MAX_DATAGRAM + NET_HEADERSIZE)
|
|
|
|
// 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
|
|
|
|
// 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:
|
|
// game_name is currently always "QUAKE", but is there so this same protocol
|
|
// can be used for future games as well; can you say Quake2?
|
|
//
|
|
// CCREQ_CONNECT
|
|
// string game_name "QUAKE"
|
|
// byte net_protocol_version NET_PROTOCOL_VERSION
|
|
//
|
|
// CCREQ_SERVER_INFO
|
|
// string game_name "QUAKE"
|
|
// byte net_protocol_version NET_PROTOCOL_VERSION
|
|
//
|
|
// CCREQ_PLAYER_INFO
|
|
// byte player_number
|
|
//
|
|
// CCREQ_RULE_INFO
|
|
// string rule
|
|
//
|
|
//
|
|
//
|
|
// CCREP_ACCEPT
|
|
// long port
|
|
//
|
|
// CCREP_REJECT
|
|
// string reason
|
|
//
|
|
// CCREP_SERVER_INFO
|
|
// string server_address
|
|
// string host_name
|
|
// string level_name
|
|
// byte current_players
|
|
// byte max_players
|
|
// byte protocol_version NET_PROTOCOL_VERSION
|
|
//
|
|
// CCREP_PLAYER_INFO
|
|
// byte player_number
|
|
// string name
|
|
// long colors
|
|
// long frags
|
|
// long connect_time
|
|
// string address
|
|
//
|
|
// CCREP_RULE_INFO
|
|
// string rule
|
|
// string value
|
|
|
|
// note:
|
|
// There are two address forms used above. 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.
|
|
|
|
#define CCREQ_CONNECT 0x01
|
|
#define CCREQ_SERVER_INFO 0x02
|
|
#define CCREQ_PLAYER_INFO 0x03
|
|
#define CCREQ_RULE_INFO 0x04
|
|
|
|
#define CCREP_ACCEPT 0x81
|
|
#define CCREP_REJECT 0x82
|
|
#define CCREP_SERVER_INFO 0x83
|
|
#define CCREP_PLAYER_INFO 0x84
|
|
#define CCREP_RULE_INFO 0x85
|
|
|
|
typedef struct qsocket_s
|
|
{
|
|
struct qsocket_s *next;
|
|
double connecttime;
|
|
double lastMessageTime;
|
|
double lastSendTime;
|
|
|
|
qboolean disconnected;
|
|
qboolean canSend;
|
|
qboolean sendNext;
|
|
|
|
int driver;
|
|
int landriver;
|
|
int socket;
|
|
void *driverdata;
|
|
|
|
unsigned int ackSequence;
|
|
unsigned int sendSequence;
|
|
unsigned int unreliableSendSequence;
|
|
int sendMessageLength;
|
|
byte sendMessage [NET_MAXMESSAGE];
|
|
|
|
unsigned int receiveSequence;
|
|
unsigned int unreliableReceiveSequence;
|
|
int receiveMessageLength;
|
|
byte receiveMessage [NET_MAXMESSAGE];
|
|
|
|
struct qsockaddr addr;
|
|
char address[NET_NAMELEN];
|
|
|
|
} qsocket_t;
|
|
|
|
extern qsocket_t *net_activeSockets;
|
|
extern qsocket_t *net_freeSockets;
|
|
extern int net_numsockets;
|
|
|
|
typedef struct
|
|
{
|
|
char *name;
|
|
qboolean initialized;
|
|
int controlSock;
|
|
int (*Init) (void);
|
|
void (*Shutdown) (void);
|
|
void (*Listen) (qboolean state);
|
|
int (*OpenSocket) (int port);
|
|
int (*CloseSocket) (int socket);
|
|
int (*Connect) (int socket, struct qsockaddr *addr);
|
|
int (*CheckNewConnections) (void);
|
|
int (*Read) (int socket, byte *buf, int len, struct qsockaddr *addr);
|
|
int (*Write) (int socket, byte *buf, int len, struct qsockaddr *addr);
|
|
int (*Broadcast) (int socket, byte *buf, int len);
|
|
char * (*AddrToString) (struct qsockaddr *addr);
|
|
int (*StringToAddr) (char *string, struct qsockaddr *addr);
|
|
int (*GetSocketAddr) (int socket, struct qsockaddr *addr);
|
|
int (*GetNameFromAddr) (struct qsockaddr *addr, char *name);
|
|
int (*GetAddrFromName) (char *name, struct qsockaddr *addr);
|
|
int (*AddrCompare) (struct qsockaddr *addr1, struct qsockaddr *addr2);
|
|
int (*GetSocketPort) (struct qsockaddr *addr);
|
|
int (*SetSocketPort) (struct qsockaddr *addr, int port);
|
|
} net_landriver_t;
|
|
|
|
#define MAX_NET_DRIVERS 8
|
|
extern int net_numlandrivers;
|
|
extern net_landriver_t net_landrivers[MAX_NET_DRIVERS];
|
|
|
|
typedef struct
|
|
{
|
|
char *name;
|
|
qboolean initialized;
|
|
int (*Init) (void);
|
|
void (*Listen) (qboolean state);
|
|
void (*SearchForHosts) (qboolean xmit);
|
|
qsocket_t *(*Connect) (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);
|
|
qboolean (*CanSendMessage) (qsocket_t *sock);
|
|
qboolean (*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 DEFAULTnet_hostport;
|
|
extern int net_hostport;
|
|
|
|
extern int net_driverlevel;
|
|
extern cvar_t hostname;
|
|
extern char playername[];
|
|
extern int playercolor;
|
|
|
|
extern int messagesSent;
|
|
extern int messagesReceived;
|
|
extern int unreliableMessagesSent;
|
|
extern int unreliableMessagesReceived;
|
|
|
|
qsocket_t *NET_NewQSocket (void);
|
|
void NET_FreeQSocket(qsocket_t *);
|
|
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;
|
|
struct qsockaddr addr;
|
|
} hostcache_t;
|
|
|
|
extern int hostCacheCount;
|
|
extern hostcache_t hostcache[HOSTCACHESIZE];
|
|
|
|
//============================================================================
|
|
//
|
|
// public network functions
|
|
//
|
|
//============================================================================
|
|
|
|
extern double net_time;
|
|
extern sizebuf_t net_message;
|
|
extern int net_activeconnections;
|
|
|
|
void NET_Init (void);
|
|
void NET_Shutdown (void);
|
|
|
|
struct qsocket_s *NET_CheckNewConnections (void);
|
|
// returns a new connection number if there is one pending, else -1
|
|
|
|
struct qsocket_s *NET_Connect (char *host);
|
|
// called by client to connect to a host. Returns -1 if not able to
|
|
|
|
qboolean NET_CanSendMessage (qsocket_t *sock);
|
|
// Returns true or false if the given qsocket can currently accept a
|
|
// message to be transmitted.
|
|
|
|
int NET_GetMessage (struct qsocket_s *sock);
|
|
// returns data in net_message sizebuf
|
|
// returns 0 if no data is waiting
|
|
// returns 1 if a message was received
|
|
// returns 2 if an unreliable message was received
|
|
// returns -1 if the connection died
|
|
|
|
int NET_SendMessage (struct qsocket_s *sock, sizebuf_t *data);
|
|
int NET_SendUnreliableMessage (struct qsocket_s *sock, sizebuf_t *data);
|
|
// returns 0 if the message connot be delivered reliably, but the connection
|
|
// is still considered valid
|
|
// returns 1 if the message was sent properly
|
|
// returns -1 if the connection died
|
|
|
|
int NET_SendToAll(sizebuf_t *data, int blocktime);
|
|
// This is a reliable *blocking* send to all attached clients.
|
|
|
|
|
|
void NET_Close (struct qsocket_s *sock);
|
|
// 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
|
|
|
|
void NET_Poll(void);
|
|
|
|
|
|
typedef struct _PollProcedure
|
|
{
|
|
struct _PollProcedure *next;
|
|
double nextTime;
|
|
void (*procedure)();
|
|
void *arg;
|
|
} PollProcedure;
|
|
|
|
void SchedulePollProcedure(PollProcedure *pp, double timeOffset);
|
|
|
|
extern qboolean serialAvailable;
|
|
extern qboolean ipxAvailable;
|
|
extern qboolean tcpipAvailable;
|
|
extern char my_ipx_address[NET_NAMELEN];
|
|
extern char my_tcpip_address[NET_NAMELEN];
|
|
extern void (*GetComPortConfig) (int portNumber, int *port, int *irq, int *baud, qboolean *useModem);
|
|
extern void (*SetComPortConfig) (int portNumber, int port, int irq, int baud, qboolean useModem);
|
|
extern void (*GetModemConfig) (int portNumber, char *dialType, char *clear, char *init, char *hangup);
|
|
extern void (*SetModemConfig) (int portNumber, char *dialType, char *clear, char *init, char *hangup);
|
|
|
|
extern qboolean slistInProgress;
|
|
extern qboolean slistSilent;
|
|
extern qboolean slistLocal;
|
|
|
|
void NET_Slist_f (void);
|