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Diffstat (limited to 'apps/plugins/sdl/progs/quake/net.h')
| -rw-r--r-- | apps/plugins/sdl/progs/quake/net.h | 337 |
1 files changed, 337 insertions, 0 deletions
diff --git a/apps/plugins/sdl/progs/quake/net.h b/apps/plugins/sdl/progs/quake/net.h new file mode 100644 index 0000000..af46125 --- /dev/null +++ b/apps/plugins/sdl/progs/quake/net.h @@ -0,0 +1,337 @@ +/* +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]; + +#if !defined(_WIN32 ) && !defined (__linux__) && !defined (__sun__) +#ifndef htonl +extern unsigned long htonl (unsigned long hostlong); +#endif +#ifndef htons +extern unsigned short htons (unsigned short hostshort); +#endif +#ifndef ntohl +extern unsigned long ntohl (unsigned long netlong); +#endif +#ifndef ntohs +extern unsigned short ntohs (unsigned short netshort); +#endif +#endif + +#ifdef IDGODS +qboolean IsID(struct qsockaddr *addr); +#endif + +//============================================================================ +// +// 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); |