Counter Strike : Global Offensive Source Code
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//========= Copyright � 1996-2005, Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
// $NoKeywords: $
//
//=============================================================================//
// protocol.h -- communications protocols
#ifndef PROTOCOL_H
#define PROTOCOL_H
#ifdef _WIN32
#pragma once
#endif
#define INSTANCE_BASELINE_TABLENAME "instancebaseline"
#define LIGHT_STYLES_TABLENAME "lightstyles"
#define USER_INFO_TABLENAME "userinfo"
#define SERVER_STARTUP_DATA_TABLENAME "server_query_info" // the name is a remnant...
#define DYNAMIC_MODEL_TABLENAME "dynamicmodel"
//#define CURRENT_PROTOCOL 1
#define DELTA_OFFSET_BITS 5
#define DELTA_OFFSET_MAX ( ( 1 << DELTA_OFFSET_BITS ) - 1 )
#define DELTASIZE_BITS 20 // must be: 2^DELTASIZE_BITS > (NET_MAX_PAYLOAD * 8)
// Largest # of commands to send in a packet
#define NUM_NEW_COMMAND_BITS 4
#define MAX_NEW_COMMANDS ((1 << NUM_NEW_COMMAND_BITS)-1)
// Max number of history commands to send ( 2 by default ) in case of dropped packets
#define NUM_BACKUP_COMMAND_BITS 3
#define MAX_BACKUP_COMMANDS ((1 << NUM_BACKUP_COMMAND_BITS)-1)
#define PROTOCOL_AUTHCERTIFICATE 0x01 // Connection from client is using a WON authenticated certificate
#define PROTOCOL_HASHEDCDKEY 0x02 // Connection from client is using hashed CD key because WON comm. channel was unreachable
#define PROTOCOL_STEAM 0x03 // Steam certificates
#define PROTOCOL_LASTVALID 0x03 // Last valid protocol
#define CONNECTIONLESS_HEADER 0xFFFFFFFF // all OOB packet start with this sequence
#define STEAM_KEYSIZE 2048 // max size needed to contain a steam authentication key (both server and client)
// each channel packet has 1 byte of FLAG bits
#define PACKET_FLAG_RELIABLE (1<<0) // packet contains subchannel stream data
#define PACKET_FLAG_COMPRESSED (1<<1) // packet is compressed
#define PACKET_FLAG_ENCRYPTED (1<<2) // packet is encrypted
#define PACKET_FLAG_SPLIT (1<<3) // packet is split
#define PACKET_FLAG_CHOKED (1<<4) // packet was choked by sender
// NOTE: Bits 5, 6, and 7 are used to specify the # of padding bits at the end of the packet!!!
#define ENCODE_PAD_BITS( x ) ( ( x << 5 ) & 0xff )
#define DECODE_PAD_BITS( x ) ( ( x >> 5 ) & 0xff )
//
// client to server
//
#define RES_FATALIFMISSING (1<<0) // Disconnect if we can't get this file.
#define RES_PRELOAD (1<<1) // Load on client rather than just reserving name
// Some day we may want to integrate Zoid's CL 1295766 - Rewrite of Source networking to be protobuf based.
#endif // PROTOCOL_H
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