/* this header file comes from libowfat, http://www.fefe.de/libowfat/ */ #ifndef SOCKET_H #define SOCKET_H #include #include #include #include #ifdef __cplusplus extern "C" { #endif int socket_tcp4(void); int socket_tcp4b(void); int socket_udp4(void); int socket_udp4b(void); int socket_tcp6(void); int socket_tcp6b(void); int socket_udp6(void); int socket_udp6b(void); int socket_sctp4(void); int socket_sctp4b(void); int socket_sctp6(void); int socket_sctp6b(void); #define socket_tcp() socket_tcp4() #define socket_udp() socket_udp4() int socket_connect4(int s,const char ip[4],uint16 port); int socket_connect6(int s,const char ip[16],uint16 port,uint32 scope_id); int socket_connected(int s); int socket_bind4(int s,const char ip[4],uint16 port); int socket_bind4_reuse(int s,const char ip[4],uint16 port); int socket_bind6(int s,const char ip[16],uint16 port,uint32 scope_id); int socket_bind6_reuse(int s,const char ip[16],uint16 port,uint32 scope_id); int socket_listen(int s,unsigned int backlog); int socket_accept4(int s,char ip[4],uint16* port); int socket_accept6(int s,char ip[16],uint16* port,uint32* scope_id); int socket_accept4_makenonblocking(int s,char ip[4],uint16* port); int socket_accept6_makenonblocking(int s,char ip[16],uint16* port,uint32* scope_id); int socket_accept4_setcloseonexec(int s,char ip[4],uint16* port); int socket_accept6_setcloseonexec(int s,char ip[16],uint16* port,uint32* scope_id); int socket_accept4_makenonblocking_setcloseonexec(int s,char ip[4],uint16* port); int socket_accept6_makenonblocking_setcloseonexec(int s,char ip[16],uint16* port,uint32* scope_id); /* These are internal wrappers around accept4, not meant for external use. * flags can be SOCKET_NONBLOCK or SOCKET_CLOEXEC or both */ enum { SOCKET_NONBLOCK=1, SOCKET_CLOEXEC=2, }; int socket_accept4_flags(int s,char ip[4],uint16* port, int flags); int socket_accept6_flags(int s,char ip[16],uint16* port,uint32* scope_id, int flags); att_writen(2,3) att_nonnull(2) ssize_t socket_recv4(int s,char* buf,size_t len,char ip[4],uint16* port); att_writen(2,3) att_nonnull(2) ssize_t socket_recv6(int s,char* buf,size_t len,char ip[16],uint16* port,uint32* scope_id); att_readn(2,3) att_nonnull(2) ssize_t socket_send4(int s,const char* buf,size_t len,const char ip[4],uint16 port); att_readn(2,3) att_nonnull(2) ssize_t socket_send4_flag(int s,const char* buf,size_t len,const char ip[4],uint16 port,int flags); att_readn(2,3) att_nonnull(2) ssize_t socket_send6(int s,const char* buf,size_t len,const char ip[16],uint16 port,uint32 scope_id); att_readn(2,3) att_nonnull(2) ssize_t socket_send6_flag(int s,const char* buf,size_t len,const char ip[16],uint16 port,uint32 scope_id,int flags); int socket_local4(int s,char ip[4],uint16* port); int socket_local6(int s,char ip[16],uint16* port,uint32* scope_id); int socket_remote4(int s,char ip[4],uint16* port); int socket_remote6(int s,char ip[16],uint16* port,uint32* scope_id); /* enable sending udp packets to the broadcast address */ int socket_broadcast(int s); /* join a multicast group on the given interface */ int socket_mcjoin4(int s,const char groupip[4],const char _interface[4]); int socket_mcjoin6(int s,const char groupip[16],int _interface); /* leave a multicast group on the given interface */ int socket_mcleave4(int s,const char groupip[4]); int socket_mcleave6(int s,const char groupip[16]); /* set multicast TTL/hop count for outgoing packets */ int socket_mcttl4(int s,char hops); int socket_mchopcount6(int s,char hops); /* enable multicast loopback, pass 1 for enable, 0 for disable */ int socket_mcloop4(int s,char loop); int socket_mcloop6(int s,char loop); /* Please note that these are platform specific. Do not expect them to * work. You might still get an accept() signalled even though there is * no data available. So far, DATAIN is supported on FreeBSD and Linux, * and HTTPIN is supported on FreeBSD. */ enum defermode { DATAIN, /* only signal accept() if there is data coming in */ HTTPIN, /* only signal accept() if a HTTP header has come in */ }; void socket_deferaccept(int s,enum defermode mode); void socket_tryreservein(int s,int size); const char* socket_getifname(uint32 _interface); uint32 socket_getifidx(const char* ifname); extern int noipv6; /* if HAVE_SOCKET_FASTOPEN is #defined, your version of libowfat * has socket_fastopen, socket_fastopen_connect4, * socket_fastopen_connect6 and socket_quickack */ #define HAVE_SOCKET_FASTOPEN /* Turn on server-side TCP fast open support (0 success, -1 error) */ int socket_fastopen(int s); /* Turn quick ack mode on or off for the socket s. */ int socket_quickack(int s,int value); /* For client-side TCP fast open, connect and sending the first data is * just one step, so we need an API to do it in one step */ att_readn(4,5) att_nonnull(4) ssize_t socket_fastopen_connect4(int s,const char ip[4],uint16 port,const char* buf,size_t len); att_readn(5,6) att_nonnull(5) ssize_t socket_fastopen_connect6(int s,const char ip[16],uint16 port,uint32 scope_id,const char* buf,size_t len); #ifdef __MINGW32__ #include #include #ifndef EWOULDBLOCK #define EWOULDBLOCK WSAEWOULDBLOCK #define EINPROGRESS WSAEINPROGRESS #define EALREADY WSAEALREADY #define ENOTSOCK WSAENOTSOCK #define EDESTADDRREQ WSAEDESTADDRREQ #define EMSGSIZE WSAEMSGSIZE #define EPROTOTYPE WSAEPROTOTYPE #define ENOPROTOOPT WSAENOPROTOOPT #define EPROTONOSUPPORT WSAEPROTONOSUPPORT #define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT #define EOPNOTSUPP WSAEOPNOTSUPP #define EPFNOSUPPORT WSAEPFNOSUPPORT #define EAFNOSUPPORT WSAEAFNOSUPPORT #define EADDRINUSE WSAEADDRINUSE #define EADDRNOTAVAIL WSAEADDRNOTAVAIL #define ENETDOWN WSAENETDOWN #define ENETUNREACH WSAENETUNREACH #define ENETRESET WSAENETRESET #define ECONNABORTED WSAECONNABORTED #define ECONNRESET WSAECONNRESET #define ENOBUFS WSAENOBUFS #define EISCONN WSAEISCONN #define ENOTCONN WSAENOTCONN #define ESHUTDOWN WSAESHUTDOWN #define ETOOMANYREFS WSAETOOMANYREFS #define ETIMEDOUT WSAETIMEDOUT #define ECONNREFUSED WSAECONNREFUSED #define ELOOP WSAELOOP #define EHOSTDOWN WSAEHOSTDOWN #define EHOSTUNREACH WSAEHOSTUNREACH #define EPROCLIM WSAEPROCLIM #define EUSERS WSAEUSERS #define EDQUOT WSAEDQUOT #define ESTALE WSAESTALE #define EREMOTE WSAEREMOTE #define EDISCON WSAEDISCON #endif #endif #ifdef __cplusplus } #endif #endif