/*
Copyright (C) 1996-1997 Id Software, Inc.
-Copyright (C) 2003 Forest Hale
+Copyright (C) 2003 Ashley Rose Hale (LadyHavoc)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
#define NET_HEADERSIZE (2 * sizeof(unsigned int))
// 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 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_CRYPTO0 0x10000000
+#define NETFLAG_CRYPTO1 0x20000000
+#define NETFLAG_CRYPTO2 0x40000000
+#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 NET_EXTRESPONSE_MAX 16
+
+/// \page netconn 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:\code
+/// 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
+///
+/// CCREQ_RCON
+/// string password
+/// string command
+///
+///
+///
+/// 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
+///
+/// CCREP_RCON
+/// string reply
+/// \endcode
+/// \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 CCREQ_RCON 0x05 // RocketGuy: ProQuake rcon support
#define CCREP_ACCEPT 0x81
#define CCREP_REJECT 0x82
#define CCREP_SERVER_INFO 0x83
#define CCREP_PLAYER_INFO 0x84
#define CCREP_RULE_INFO 0x85
+#define CCREP_RCON 0x86 // RocketGuy: ProQuake rcon support
+
+typedef struct netgraphitem_s
+{
+ double time;
+ int reliablebytes;
+ int unreliablebytes;
+ int ackbytes;
+ double cleartime;
+}
+netgraphitem_t;
typedef struct netconn_s
{
// this is mostly identical to qsocket_t from quake
- // if this time is reached, kick off peer
+ /// if this time is reached, kick off peer
double connecttime;
double timeout;
double lastMessageTime;
double lastSendTime;
- qboolean canSend;
-
- // writing buffer to send to peer as the next reliable message
- // can be added to at any time, copied into sendMessage buffer when it is
- // possible to send a reliable message and then cleared
+ /// writing buffer to send to peer as the next reliable message
+ /// can be added to at any time, copied into sendMessage buffer when it is
+ /// possible to send a reliable message and then cleared
+ /// @{
sizebuf_t message;
unsigned char messagedata[NET_MAXMESSAGE];
+ /// @}
- // reliable message that is currently sending
- // (for building fragments)
- unsigned int ackSequence;
- unsigned int sendSequence;
- unsigned int unreliableSendSequence;
+ /// reliable message that is currently sending
+ /// (for building fragments)
int sendMessageLength;
unsigned char sendMessage[NET_MAXMESSAGE];
- // reliable message that is currently being received
- // (for putting together fragments)
- unsigned int receiveSequence;
- unsigned int unreliableReceiveSequence;
+ /// reliable message that is currently being received
+ /// (for putting together fragments)
int receiveMessageLength;
unsigned char receiveMessage[NET_MAXMESSAGE];
+ /// used by both NQ and QW protocols
+ unsigned int outgoing_unreliable_sequence;
+
+ struct netconn_nq_s
+ {
+ unsigned int ackSequence;
+ unsigned int sendSequence;
+
+ unsigned int receiveSequence;
+ unsigned int unreliableReceiveSequence;
+ }
+ nq;
+ struct netconn_qw_s
+ {
+ // QW protocol
+ qboolean fatal_error;
+
+ float last_received; // for timeouts
+
+ // the statistics are cleared at each client begin, because
+ // the server connecting process gives a bogus picture of the data
+ float frame_latency; // rolling average
+ float frame_rate;
+
+ int drop_count; ///< dropped packets, cleared each level
+ int good_count; ///< cleared each level
+
+ int qport;
+
+ // sequencing variables
+ unsigned int incoming_sequence;
+ unsigned int incoming_acknowledged;
+ qboolean incoming_reliable_acknowledged; ///< single bit
+
+ qboolean incoming_reliable_sequence; ///< single bit, maintained local
+
+ qboolean reliable_sequence; ///< single bit
+ unsigned int last_reliable_sequence; ///< sequence number of last send
+ }
+ qw;
+
+ // bandwidth estimator
+ double cleartime; // if realtime > nc->cleartime, free to go
+ double incoming_cleartime; // if realtime > nc->cleartime, free to go (netgraph cleartime simulation only)
+
+ // this tracks packet loss and packet sizes on the most recent packets
+ // used by shownetgraph feature
+#define NETGRAPH_PACKETS 256
+#define NETGRAPH_NOPACKET 0
+#define NETGRAPH_LOSTPACKET -1
+#define NETGRAPH_CHOKEDPACKET -2
+ int incoming_packetcounter;
+ netgraphitem_t incoming_netgraph[NETGRAPH_PACKETS];
+ int outgoing_packetcounter;
+ netgraphitem_t outgoing_netgraph[NETGRAPH_PACKETS];
+
char address[128];
+ crypto_t crypto;
+
+ // statistic counters
+ int packetsSent;
+ int packetsReSent;
+ int packetsReceived;
+ int receivedDuplicateCount;
+ int droppedDatagrams;
+ int unreliableMessagesSent;
+ int unreliableMessagesReceived;
+ int reliableMessagesSent;
+ int reliableMessagesReceived;
} netconn_t;
extern netconn_t *netconn_list;
extern cvar_t hostname;
extern cvar_t developer_networking;
-extern char playername[];
-extern int playercolor;
-#define SERVERLIST_TOTALSIZE 2048
+#ifdef CONFIG_MENU
#define SERVERLIST_VIEWLISTSIZE SERVERLIST_TOTALSIZE
-#define SERVERLIST_ANDMASKCOUNT 5
-#define SERVERLIST_ORMASKCOUNT 5
typedef enum serverlist_maskop_e
{
SLMO_EQUAL,
SLMO_GREATER,
SLMO_GREATEREQUAL,
- SLMO_NOTEQUAL
+ SLMO_NOTEQUAL,
+ SLMO_STARTSWITH,
+ SLMO_NOTSTARTSWITH
} serverlist_maskop_t;
-// struct with all fields that you can search for or sort by
+/// struct with all fields that you can search for or sort by
typedef struct serverlist_info_s
{
- // address for connecting
+ /// address for connecting
char cname[128];
- // ping time for sorting servers
+ /// ping time for sorting servers
int ping;
- // name of the game
+ /// name of the game
char game[32];
- // name of the mod
+ /// name of the mod
char mod[32];
- // name of the map
+ /// name of the map
char map[32];
- // name of the session
+ /// name of the session
char name[128];
- // max client number
+ /// qc-defined short status string
+ char qcstatus[128];
+ /// frags/ping/name list (if they fit in the packet)
+ char players[2800];
+ /// max client number
int maxplayers;
- // number of currently connected players
+ /// number of currently connected players (including bots)
int numplayers;
- // protocol version
+ /// number of currently connected players that are bots
+ int numbots;
+ /// number of currently connected players that are not bots
+ int numhumans;
+ /// number of free slots
+ int freeslots;
+ /// protocol version
int protocol;
+ /// game data version
+ /// (an integer that is used for filtering incompatible servers,
+ /// not filterable by QC)
+ int gameversion;
+
+ // categorized sorting
+ int category;
+ /// favorite server flag
+ qboolean isfavorite;
} serverlist_info_t;
typedef enum
SLIF_MAXPLAYERS,
SLIF_NUMPLAYERS,
SLIF_PROTOCOL,
+ SLIF_NUMBOTS,
+ SLIF_NUMHUMANS,
+ SLIF_FREESLOTS,
+ SLIF_QCSTATUS,
+ SLIF_PLAYERS,
+ SLIF_CATEGORY,
+ SLIF_ISFAVORITE,
SLIF_COUNT
} serverlist_infofield_t;
+typedef enum
+{
+ SLSF_DESCENDING = 1,
+ SLSF_FAVORITES = 2,
+ SLSF_CATEGORIES = 4
+} serverlist_sortflags_t;
+
typedef enum
{
SQS_NONE = 0,
SQS_QUERYING,
SQS_QUERIED,
- SQS_TIMEDOUT
+ SQS_TIMEDOUT,
+ SQS_REFRESHING
} serverlist_query_state;
typedef struct serverlist_entry_s
{
- // used to determine whether this entry should be included into the final view
+ /// used to determine whether this entry should be included into the final view
serverlist_query_state query;
- // used to count the number of times the host has tried to query this server already
+ /// used to count the number of times the host has tried to query this server already
unsigned querycounter;
- // used to calculate ping when update comes in
+ /// used to calculate ping when update comes in
double querytime;
+ /// query protocol to use on this server, may be PROTOCOL_QUAKEWORLD or PROTOCOL_DARKPLACES7
+ int protocol;
serverlist_info_t info;
serverlist_info_t info;
} serverlist_mask_t;
+#define ServerList_GetCacheEntry(x) (&serverlist_cache[(x)])
+#define ServerList_GetViewEntry(x) (ServerList_GetCacheEntry(serverlist_viewlist[(x)]))
+
extern serverlist_mask_t serverlist_andmasks[SERVERLIST_ANDMASKCOUNT];
extern serverlist_mask_t serverlist_ormasks[SERVERLIST_ORMASKCOUNT];
extern serverlist_infofield_t serverlist_sortbyfield;
-extern qboolean serverlist_sortdescending;
+extern int serverlist_sortflags; // not using the enum, as it is a bitmask
+#if SERVERLIST_TOTALSIZE > 65536
+#error too many servers, change type of index array
+#endif
extern int serverlist_viewcount;
-extern serverlist_entry_t *serverlist_viewlist[SERVERLIST_VIEWLISTSIZE];
+extern unsigned short serverlist_viewlist[SERVERLIST_VIEWLISTSIZE];
extern int serverlist_cachecount;
+extern serverlist_entry_t *serverlist_cache;
+extern const serverlist_entry_t *serverlist_callbackentry;
extern qboolean serverlist_consoleoutput;
-#if !defined(_WIN32) && !defined(__linux__) && !defined(SUNOS)
-#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
+void ServerList_GetPlayerStatistics(int *numplayerspointer, int *maxplayerspointer);
#endif
//============================================================================
//
//============================================================================
+extern char cl_net_extresponse[NET_EXTRESPONSE_MAX][1400];
+extern int cl_net_extresponse_count;
+extern int cl_net_extresponse_last;
+
+extern char sv_net_extresponse[NET_EXTRESPONSE_MAX][1400];
+extern int sv_net_extresponse_count;
+extern int sv_net_extresponse_last;
+
+#ifdef CONFIG_MENU
extern double masterquerytime;
extern int masterquerycount;
extern int masterreplycount;
extern int serverquerycount;
extern int serverreplycount;
+#endif
+
+extern sizebuf_t cl_message;
+extern sizebuf_t sv_message;
+extern char cl_readstring[MAX_INPUTLINE];
+extern char sv_readstring[MAX_INPUTLINE];
+
+extern cvar_t sv_public;
-extern sizebuf_t net_message;
+extern cvar_t net_fakelag;
-extern cvar_t cl_netlocalping;
+extern cvar_t cl_netport;
+extern cvar_t sv_netport;
+extern cvar_t net_address;
+extern cvar_t net_address_ipv6;
+extern cvar_t net_usesizelimit;
+extern cvar_t net_burstreserve;
-int NetConn_SendUnreliableMessage(netconn_t *conn, sizebuf_t *data);
+qboolean NetConn_CanSend(netconn_t *conn);
+int NetConn_SendUnreliableMessage(netconn_t *conn, sizebuf_t *data, protocolversion_t protocol, int rate, int burstsize, qboolean quakesignon_suppressreliables);
+qboolean NetConn_HaveClientPorts(void);
+qboolean NetConn_HaveServerPorts(void);
void NetConn_CloseClientPorts(void);
void NetConn_OpenClientPorts(void);
void NetConn_CloseServerPorts(void);
netconn_t *NetConn_Open(lhnetsocket_t *mysocket, lhnetaddress_t *peeraddress);
void NetConn_Close(netconn_t *conn);
void NetConn_Listen(qboolean state);
+int NetConn_Read(lhnetsocket_t *mysocket, void *data, int maxlength, lhnetaddress_t *peeraddress);
+int NetConn_Write(lhnetsocket_t *mysocket, const void *data, int length, const lhnetaddress_t *peeraddress);
+int NetConn_WriteString(lhnetsocket_t *mysocket, const char *string, const lhnetaddress_t *peeraddress);
int NetConn_IsLocalGame(void);
void NetConn_ClientFrame(void);
void NetConn_ServerFrame(void);
-void NetConn_QueryMasters(void);
+void NetConn_SleepMicroseconds(int microseconds);
void NetConn_Heartbeat(int priority);
+void Net_Stats_f(cmd_state_t *cmd);
+
+#ifdef CONFIG_MENU
+void NetConn_QueryMasters(qboolean querydp, qboolean queryqw);
void NetConn_QueryQueueFrame(void);
-void Net_Stats_f(void);
-void Net_Slist_f(void);
+void Net_Slist_f(cmd_state_t *cmd);
+void Net_SlistQW_f(cmd_state_t *cmd);
+void Net_Refresh_f(cmd_state_t *cmd);
-// ServerList interface (public)
-// manually refresh the view set, do this after having changed the mask or any other flag
+/// ServerList interface (public)
+/// manually refresh the view set, do this after having changed the mask or any other flag
void ServerList_RebuildViewList(void);
void ServerList_ResetMasks(void);
-void ServerList_QueryList(void);
+void ServerList_QueryList(qboolean resetcache, qboolean querydp, qboolean queryqw, qboolean consoleoutput);
+
+/// called whenever net_slist_favorites changes
+void NetConn_UpdateFavorites(void);
+#endif
+
+#define MAX_CHALLENGES 128
+typedef struct challenge_s
+{
+ lhnetaddress_t address;
+ double time;
+ char string[12];
+}
+challenge_t;
+
+extern challenge_t challenges[MAX_CHALLENGES];
#endif