The Quake sources as originally release under the GPL license on December 21, 1999

1 files changed, 112 insertions, 0 deletions

diff --git a/QW/client/net.h b/QW/client/net.h
new file mode 100644
index 0000000..30be2f7
--- /dev/null
+++ b/QW/client/net.h
@@ -0,0 +1,112 @@
+/*
+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
+
+#define	PORT_ANY	-1
+
+typedef struct
+{
+	byte	ip[4];
+	unsigned short	port;
+	unsigned short	pad;
+} netadr_t;
+
+extern	netadr_t	net_local_adr;
+extern	netadr_t	net_from;		// address of who sent the packet
+extern	sizebuf_t	net_message;
+
+extern	cvar_t	hostname;
+
+extern	int		net_socket;
+
+void		NET_Init (int port);
+void		NET_Shutdown (void);
+qboolean	NET_GetPacket (void);
+void		NET_SendPacket (int length, void *data, netadr_t to);
+
+qboolean	NET_CompareAdr (netadr_t a, netadr_t b);
+qboolean	NET_CompareBaseAdr (netadr_t a, netadr_t b);
+char		*NET_AdrToString (netadr_t a);
+char		*NET_BaseAdrToString (netadr_t a);
+qboolean	NET_StringToAdr (char *s, netadr_t *a);
+qboolean NET_IsClientLegal(netadr_t *adr);
+
+//============================================================================
+
+#define	OLD_AVG		0.99		// total = oldtotal*OLD_AVG + new*(1-OLD_AVG)
+
+#define	MAX_LATENT	32
+
+typedef struct
+{
+	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
+
+	netadr_t	remote_address;
+	int			qport;
+
+// bandwidth estimator
+	double		cleartime;			// if realtime > nc->cleartime, free to go
+	double		rate;				// seconds / byte
+
+// sequencing variables
+	int			incoming_sequence;
+	int			incoming_acknowledged;
+	int			incoming_reliable_acknowledged;	// single bit
+
+	int			incoming_reliable_sequence;		// single bit, maintained local
+
+	int			outgoing_sequence;
+	int			reliable_sequence;			// single bit
+	int			last_reliable_sequence;		// sequence number of last send
+
+// reliable staging and holding areas
+	sizebuf_t	message;		// writing buffer to send to server
+	byte		message_buf[MAX_MSGLEN];
+
+	int			reliable_length;
+	byte		reliable_buf[MAX_MSGLEN];	// unacked reliable message
+
+// time and size data to calculate bandwidth
+	int			outgoing_size[MAX_LATENT];
+	double		outgoing_time[MAX_LATENT];
+} netchan_t;
+
+extern	int	net_drop;		// packets dropped before this one
+
+void Netchan_Init (void);
+void Netchan_Transmit (netchan_t *chan, int length, byte *data);
+void Netchan_OutOfBand (netadr_t adr, int length, byte *data);
+void Netchan_OutOfBandPrint (netadr_t adr, char *format, ...);
+qboolean Netchan_Process (netchan_t *chan);
+void Netchan_Setup (netchan_t *chan, netadr_t adr, int qport);
+
+qboolean Netchan_CanPacket (netchan_t *chan);
+qboolean Netchan_CanReliable (netchan_t *chan);
+