halflife-sdk/common/net_api.h
2002-12-23 00:00:00 +00:00

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3 KiB
C

//========= Copyright © 1996-2002, Valve LLC, All rights reserved. ============
//
// Purpose:
//
// $NoKeywords: $
//=============================================================================
#if !defined( NET_APIH )
#define NET_APIH
#ifdef _WIN32
#pragma once
#endif
#if !defined ( NETADRH )
#include "netadr.h"
#endif
#define NETAPI_REQUEST_SERVERLIST ( 0 ) // Doesn't need a remote address
#define NETAPI_REQUEST_PING ( 1 )
#define NETAPI_REQUEST_RULES ( 2 )
#define NETAPI_REQUEST_PLAYERS ( 3 )
#define NETAPI_REQUEST_DETAILS ( 4 )
// Set this flag for things like broadcast requests, etc. where the engine should not
// kill the request hook after receiving the first response
#define FNETAPI_MULTIPLE_RESPONSE ( 1<<0 )
typedef void ( *net_api_response_func_t ) ( struct net_response_s *response );
#define NET_SUCCESS ( 0 )
#define NET_ERROR_TIMEOUT ( 1<<0 )
#define NET_ERROR_PROTO_UNSUPPORTED ( 1<<1 )
#define NET_ERROR_UNDEFINED ( 1<<2 )
typedef struct net_adrlist_s
{
struct net_adrlist_s *next;
netadr_t remote_address;
} net_adrlist_t;
typedef struct net_response_s
{
// NET_SUCCESS or an error code
int error;
// Context ID
int context;
// Type
int type;
// Server that is responding to the request
netadr_t remote_address;
// Response RTT ping time
double ping;
// Key/Value pair string ( separated by backlash \ characters )
// WARNING: You must copy this buffer in the callback function, because it is freed
// by the engine right after the call!!!!
// ALSO: For NETAPI_REQUEST_SERVERLIST requests, this will be a pointer to a linked list of net_adrlist_t's
void *response;
} net_response_t;
typedef struct net_status_s
{
// Connected to remote server? 1 == yes, 0 otherwise
int connected;
// Client's IP address
netadr_t local_address;
// Address of remote server
netadr_t remote_address;
// Packet Loss ( as a percentage )
int packet_loss;
// Latency, in seconds ( multiply by 1000.0 to get milliseconds )
double latency;
// Connection time, in seconds
double connection_time;
// Rate setting ( for incoming data )
double rate;
} net_status_t;
typedef struct net_api_s
{
// APIs
void ( *InitNetworking )( void );
void ( *Status ) ( struct net_status_s *status );
void ( *SendRequest) ( int context, int request, int flags, double timeout, struct netadr_s *remote_address, net_api_response_func_t response );
void ( *CancelRequest ) ( int context );
void ( *CancelAllRequests ) ( void );
char *( *AdrToString ) ( struct netadr_s *a );
int ( *CompareAdr ) ( struct netadr_s *a, struct netadr_s *b );
int ( *StringToAdr ) ( char *s, struct netadr_s *a );
const char *( *ValueForKey ) ( const char *s, const char *key );
void ( *RemoveKey ) ( char *s, const char *key );
void ( *SetValueForKey ) (char *s, const char *key, const char *value, int maxsize );
} net_api_t;
extern net_api_t netapi;
#endif // NET_APIH