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fteqw/engine/common/netinc.h
Spoike 5d2ff1286d first version with dtls support. disabled for now. 
schannel (ie: windows native) works as a client, not a server.
gnutls provides both client+server support. servers need to load a pre-generated cert from disk.
tweaked gamepads to actually work in the web target.
tweak gamepads a bit. added gp_* bind aliases. xinput+sdl+web should all use the same key mappings.
finally added the itemtimer glsl.
tweaked software renderer to not be quite so buggy, but you probably won't realise that if you try it.
disabled the ill-fated QWOVERQ3 feature.
don't do the oldorigin thing in quakeworld mods. hopefully this'll fix cspree's weird stuck-in-floor issue.
dpp7 is buggy serverside. disabled for now. I'm part way through rewriting its deltas.

git-svn-id: https://svn.code.sf.net/p/fteqw/code/trunk@5103 fc73d0e0-1445-4013-8a0c-d673dee63da5
2017-05-18 10:24:09 +00:00

346 lines
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#ifndef NETINC_INCLUDED
#define NETINC_INCLUDED
#ifndef HAVE_PACKET
#ifndef _XBOX
struct sockaddr
{
short sa_family;
};
#define ntohs BigShort
#define htons BigShort
#define htonl BigLong
#define ntohl BigLong
#endif
/* struct sockaddr_in
{
short sin_family;
unsigned short sin_port;
in_addr sin_addr;
};*/
#define AF_UNSPEC 0
// #define AF_INET 1
/*NaCl engines cannot host servers. Regular FTE servers can use the same listening tcpconnect socket to host a websocket connection*/
#define AF_WEBSOCK 342
struct sockaddr_websocket
{
short sws_family;
char url[64];
};
#elif defined(_WIN32)
#ifdef _XBOX
#include <xtl.h>
#include <WinSockX.h>
#else
#ifdef _MSC_VER
#define USEIPX
#endif
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#include <winsock2.h>
#ifdef USEIPX
#include "wsipx.h"
#endif
#include <ws2tcpip.h>
#endif
#include <errno.h>
#if !defined(IPPROTO_IPV6) && !defined(_XBOX)
/*for msvc6*/
#define IPPROTO_IPV6 41
#ifndef EAI_NONAME
#define EAI_NONAME 8
#endif
struct ip6_scope_id
{
union
{
struct
{
u_long Zone : 28;
u_long Level : 4;
};
u_long Value;
};
};
#if !defined(in_addr6)
struct in6_addr
{
u_char s6_addr[16]; /* IPv6 address */
};
#define sockaddr_in6 sockaddr_in6_fixed /*earlier versions of msvc have a sockaddr_in6 which does _not_ match windows, so this *must* be redefined for any non-final msvc releases or it won't work at all*/
typedef struct sockaddr_in6
{
short sin6_family;
u_short sin6_port;
u_long sin6_flowinfo;
struct in6_addr sin6_addr;
union
{
u_long sin6_scope_id;
struct ip6_scope_id sin6_scope_struct;
};
};
struct addrinfo
{
int ai_flags;
int ai_family;
int ai_socktype;
int ai_protocol;
size_t ai_addrlen;
char* ai_canonname;
struct sockaddr * ai_addr;
struct addrinfo * ai_next;
};
#endif
#endif
#ifndef IPV6_V6ONLY
#define IPV6_V6ONLY 27
#endif
#define HAVE_IPV4
#ifdef IPPROTO_IPV6
#define HAVE_IPV6
#endif
#else
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <netdb.h>
#include <sys/ioctl.h>
#include <sys/uio.h>
#include <arpa/inet.h>
#include <errno.h>
#include <unistd.h>
#ifdef sun
#include <sys/filio.h>
#endif
#ifdef NeXT
#include <libc.h>
#endif
#if defined(__MORPHOS__) && !defined(ixemul)
#define closesocket CloseSocket
#define ioctlsocket IoctlSocket
#else
#define closesocket close
#define ioctlsocket ioctl
#endif
#if defined(AF_INET6) && !defined(IPPROTO_IPV6)
#define IPPROTO_IPV6 IPPROTO_IPV6 //fte often just checks to see if IPPROTO_IPV6 is defined or not, which doesn't work if its an enum value or somesuch...
#endif
#if defined(AF_INET)
#define HAVE_IPV4
#endif
#ifdef IPPROTO_IPV6
#define HAVE_IPV6
#endif
#define SOCKET int
#endif
#if defined(_WIN32)
#define neterrno() WSAGetLastError()
//this madness is because winsock defines its own errors instead of using system error codes.
//*AND* microsoft then went and defined names for all the unix ones too... with different values! oh the insanity of it all!
#define NET_EWOULDBLOCK WSAEWOULDBLOCK
#define NET_EINPROGRESS WSAEINPROGRESS
#define NET_EMSGSIZE WSAEMSGSIZE
#define NET_ECONNRESET WSAECONNRESET
#define NET_ECONNABORTED WSAECONNABORTED
#define NET_ECONNREFUSED WSAECONNREFUSED
#define NET_ETIMEDOUT WSAETIMEDOUT
#define NET_ENOTCONN WSAENOTCONN
#define NET_EACCES WSAEACCES
#define NET_EADDRNOTAVAIL WSAEADDRNOTAVAIL
#define NET_EAFNOSUPPORT WSAEAFNOSUPPORT
#elif defined(__MORPHOS__) && !defined(ixemul)
#define neterrno() Errno()
#else
#define neterrno() errno
#endif
#ifndef NET_EWOULDBLOCK
//assume unix codes instead, so our prefix still works.
#define NET_EWOULDBLOCK EWOULDBLOCK
#define NET_EINPROGRESS EINPROGRESS
#define NET_EMSGSIZE EMSGSIZE
#define NET_ECONNRESET ECONNRESET
#define NET_ECONNABORTED ECONNABORTED
#define NET_ECONNREFUSED ECONNREFUSED
#define NET_ETIMEDOUT ETIMEDOUT
#define NET_ENOTCONN ENOTCONN
#define NET_EACCES EACCES
#define NET_EADDRNOTAVAIL EADDRNOTAVAIL
#define NET_EAFNOSUPPORT EAFNOSUPPORT
#endif
#ifndef INVALID_SOCKET
#define INVALID_SOCKET -1
#endif
#ifndef INADDR_LOOPBACK
#define INADDR_LOOPBACK 0x7f000001
#endif
#if defined(FTE_TARGET_WEB)
#undef IPPROTO_IPV6
#endif
#if 1//def SUPPORT_ICE
struct icecandinfo_s
{
char candidateid[64];
char addr[64]; //v4/v6/fqdn. fqdn should prefer ipv6
int port;
int transport; //0=udp. other values not supported
int foundation; //to figure out...
int component; //1-based. allows rtp+rtcp in a single ICE... we only support one.
int priority; //some random value...
enum
{
ICE_HOST=0,
ICE_SRFLX=1, //Server Reflexive (from stun, etc)
ICE_PRFLX=2, //Peer Reflexive
ICE_RELAY=3,
} type; //says what sort of proxy is used.
char reladdr[64]; //when proxied, this is our local info
int relport;
int generation; //for ice restarts. starts at 0.
int network; //which network device this comes from.
};
enum iceproto_e
{
ICEP_INVALID, //not allowed..
ICEP_QWSERVER, //we're server side
ICEP_QWCLIENT, //we're client side
ICEP_VOICE, //speex. requires client.
ICEP_VIDEO //err... REALLY?!?!?
};
enum icemode_e
{
ICEM_RAW, //not actually interactive beyond a simple handshake.
ICEM_ICE //rfc5245. meant to be able to holepunch, but not implemented properly yet.
};
enum icestate_e
{
ICE_INACTIVE, //idle.
ICE_FAILED,
ICE_CONNECTING, //exchanging pings.
ICE_CONNECTED //media is flowing, supposedly. sending keepalives.
};
struct icestate_s;
#define ICE_API_CURRENT "Internet Connectivity Establishment 0.0"
typedef struct
{
struct icestate_s *(QDECL *ICE_Create)(void *module, const char *conname, const char *peername, enum icemode_e mode, enum iceproto_e proto); //doesn't start pinging anything.
qboolean (QDECL *ICE_Set)(struct icestate_s *con, const char *prop, const char *value);
qboolean (QDECL *ICE_Get)(struct icestate_s *con, const char *prop, char *value, size_t valuesize);
struct icecandinfo_s *(QDECL *ICE_GetLCandidateInfo)(struct icestate_s *con); //retrieves candidates that need reporting to the peer.
void (QDECL *ICE_AddRCandidateInfo)(struct icestate_s *con, struct icecandinfo_s *cand); //stuff that came from the peer.
void (QDECL *ICE_Close)(struct icestate_s *con); //bye then.
void (QDECL *ICE_CloseModule)(void *module); //closes all unclosed connections, with warning.
// struct icestate_s *(QDECL *ICE_Find)(void *module, const char *conname);
qboolean (QDECL *ICE_GetLCandidateSDP)(struct icestate_s *con, char *out, size_t valuesize); //retrieves candidates that need reporting to the peer.
} icefuncs_t;
extern icefuncs_t iceapi;
#endif
//address flags
#define ADDR_NATPMP (1u<<0)
#define ADDR_UPNPIGP (1u<<1)
#define ADDR_REFLEX (1u<<2) //as reported by some external server.
#define FTENET_ADDRTYPES 2
typedef struct ftenet_generic_connection_s {
char name[MAX_QPATH];
int (*GetLocalAddresses)(struct ftenet_generic_connection_s *con, unsigned int *adrflags, netadr_t *addresses, int maxaddresses);
qboolean (*ChangeLocalAddress)(struct ftenet_generic_connection_s *con, netadr_t *newadr);
qboolean (*GetPacket)(struct ftenet_generic_connection_s *con);
neterr_t (*SendPacket)(struct ftenet_generic_connection_s *con, int length, const void *data, netadr_t *to);
void (*Close)(struct ftenet_generic_connection_s *con);
#ifdef HAVE_PACKET
int (*SetFDSets) (struct ftenet_generic_connection_s *con, fd_set *readfdset, fd_set *writefdset); /*set for connections which have multiple sockets (ie: listening tcp connections)*/
#endif
void (*PrintStatus)(struct ftenet_generic_connection_s *con);
netadrtype_t addrtype[FTENET_ADDRTYPES];
qboolean islisten;
#ifdef HAVE_PACKET
SOCKET thesocket;
#else
int thesocket;
#endif
} ftenet_generic_connection_t;
#ifdef HAVE_DTLS
void *DTLS_CreateContext(char *remotehost, void *cbctx, neterr_t(*push)(void *cbctx, const qbyte *data, size_t datasize), qboolean isserver); //if remotehost is null then their certificate will not be validated.
void DTLS_DestroyContext(void *ctx);
neterr_t DTLS_Transmit(void *ctx, const qbyte *data, size_t datasize);
neterr_t DTLS_Received(void *ctx, qbyte *data, size_t datasize);
neterr_t DTLS_Timeouts(void *ctx);
qboolean DTLS_HasServerCertificate(void);
#endif
#define MAX_CONNECTIONS 8
typedef struct ftenet_connections_s
{
qboolean islisten;
unsigned int packetsin;
unsigned int packetsout;
unsigned int bytesin;
unsigned int bytesout;
unsigned int timemark;
float packetsinrate;
float packetsoutrate;
float bytesinrate;
float bytesoutrate;
ftenet_generic_connection_t *conn[MAX_CONNECTIONS];
#ifdef HAVE_DTLS
struct dtlspeer_s *dtls; //linked list. linked lists are shit, but at least it keeps pointers valid when things are resized.
#endif
} ftenet_connections_t;
void ICE_Tick(void);
qboolean ICE_WasStun(netsrc_t netsrc);
void QDECL ICE_AddLCandidateConn(ftenet_connections_t *col, netadr_t *addr, int type);
void QDECL ICE_AddLCandidateInfo(struct icestate_s *con, netadr_t *adr, int adrno, int type);
ftenet_connections_t *FTENET_CreateCollection(qboolean listen);
void FTENET_CloseCollection(ftenet_connections_t *col);
qboolean FTENET_AddToCollection(struct ftenet_connections_s *col, const char *name, const char *address, netadrtype_t addrtype, netproto_t addrprot, qboolean islisten);
int NET_EnumerateAddresses(ftenet_connections_t *collection, struct ftenet_generic_connection_s **con, unsigned int *adrflags, netadr_t *addresses, int maxaddresses);
vfsfile_t *FS_OpenSSL(const char *hostname, vfsfile_t *source, qboolean server);
#ifdef HAVE_PACKET
vfsfile_t *FS_OpenTCPSocket(SOCKET socket, qboolean conpending, const char *peername); //conpending allows us to reject any writes until the connection has succeeded
#endif
vfsfile_t *FS_OpenTCP(const char *name, int defaultport);
#ifndef SOCK_CLOEXEC
#define SOCK_CLOEXEC 0
#endif
#endif //NETINC_INCLUDED
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