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180 lines
6.3 KiB
C
180 lines
6.3 KiB
C
/* this header file comes from libowfat, http://www.fefe.de/libowfat/ */
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#ifndef SOCKET_H
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#define SOCKET_H
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#include <sys/types.h>
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#include <libowfat/compiler.h>
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#include <libowfat/uint16.h>
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#include <libowfat/uint32.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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int socket_tcp4(void);
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int socket_tcp4b(void);
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int socket_udp4(void);
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int socket_udp4b(void);
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int socket_tcp6(void);
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int socket_tcp6b(void);
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int socket_udp6(void);
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int socket_udp6b(void);
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int socket_sctp4(void);
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int socket_sctp4b(void);
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int socket_sctp6(void);
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int socket_sctp6b(void);
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#define socket_tcp() socket_tcp4()
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#define socket_udp() socket_udp4()
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int socket_connect4(int s,const char ip[4],uint16 port);
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int socket_connect6(int s,const char ip[16],uint16 port,uint32 scope_id);
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int socket_connected(int s);
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int socket_bind4(int s,const char ip[4],uint16 port);
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int socket_bind4_reuse(int s,const char ip[4],uint16 port);
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int socket_bind6(int s,const char ip[16],uint16 port,uint32 scope_id);
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int socket_bind6_reuse(int s,const char ip[16],uint16 port,uint32 scope_id);
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int socket_listen(int s,unsigned int backlog);
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int socket_accept4(int s,char ip[4],uint16* port);
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int socket_accept6(int s,char ip[16],uint16* port,uint32* scope_id);
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int socket_accept4_makenonblocking(int s,char ip[4],uint16* port);
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int socket_accept6_makenonblocking(int s,char ip[16],uint16* port,uint32* scope_id);
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int socket_accept4_setcloseonexec(int s,char ip[4],uint16* port);
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int socket_accept6_setcloseonexec(int s,char ip[16],uint16* port,uint32* scope_id);
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int socket_accept4_makenonblocking_setcloseonexec(int s,char ip[4],uint16* port);
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int socket_accept6_makenonblocking_setcloseonexec(int s,char ip[16],uint16* port,uint32* scope_id);
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/* These are internal wrappers around accept4, not meant for external use.
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* flags can be SOCKET_NONBLOCK or SOCKET_CLOEXEC or both */
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enum {
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SOCKET_NONBLOCK=1,
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SOCKET_CLOEXEC=2,
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};
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int socket_accept4_flags(int s,char ip[4],uint16* port, int flags);
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int socket_accept6_flags(int s,char ip[16],uint16* port,uint32* scope_id, int flags);
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att_writen(2,3) att_nonnull(2)
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ssize_t socket_recv4(int s,char* buf,size_t len,char ip[4],uint16* port);
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att_writen(2,3) att_nonnull(2)
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ssize_t socket_recv6(int s,char* buf,size_t len,char ip[16],uint16* port,uint32* scope_id);
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att_readn(2,3) att_nonnull(2)
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ssize_t socket_send4(int s,const char* buf,size_t len,const char ip[4],uint16 port);
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att_readn(2,3) att_nonnull(2)
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ssize_t socket_send4_flag(int s,const char* buf,size_t len,const char ip[4],uint16 port,int flags);
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att_readn(2,3) att_nonnull(2)
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ssize_t socket_send6(int s,const char* buf,size_t len,const char ip[16],uint16 port,uint32 scope_id);
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att_readn(2,3) att_nonnull(2)
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ssize_t socket_send6_flag(int s,const char* buf,size_t len,const char ip[16],uint16 port,uint32 scope_id,int flags);
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int socket_local4(int s,char ip[4],uint16* port);
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int socket_local6(int s,char ip[16],uint16* port,uint32* scope_id);
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int socket_remote4(int s,char ip[4],uint16* port);
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int socket_remote6(int s,char ip[16],uint16* port,uint32* scope_id);
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/* enable sending udp packets to the broadcast address */
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int socket_broadcast(int s);
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/* join a multicast group on the given interface */
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int socket_mcjoin4(int s,const char groupip[4],const char _interface[4]);
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int socket_mcjoin6(int s,const char groupip[16],int _interface);
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/* leave a multicast group on the given interface */
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int socket_mcleave4(int s,const char groupip[4]);
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int socket_mcleave6(int s,const char groupip[16]);
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/* set multicast TTL/hop count for outgoing packets */
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int socket_mcttl4(int s,char hops);
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int socket_mchopcount6(int s,char hops);
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/* enable multicast loopback, pass 1 for enable, 0 for disable */
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int socket_mcloop4(int s,char loop);
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int socket_mcloop6(int s,char loop);
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/* Please note that these are platform specific. Do not expect them to
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* work. You might still get an accept() signalled even though there is
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* no data available. So far, DATAIN is supported on FreeBSD and Linux,
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* and HTTPIN is supported on FreeBSD. */
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enum defermode {
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DATAIN, /* only signal accept() if there is data coming in */
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HTTPIN, /* only signal accept() if a HTTP header has come in */
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};
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void socket_deferaccept(int s,enum defermode mode);
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void socket_tryreservein(int s,int size);
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const char* socket_getifname(uint32 _interface);
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uint32 socket_getifidx(const char* ifname);
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extern int noipv6;
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/* if HAVE_SOCKET_FASTOPEN is #defined, your version of libowfat
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* has socket_fastopen, socket_fastopen_connect4,
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* socket_fastopen_connect6 and socket_quickack */
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#define HAVE_SOCKET_FASTOPEN
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/* Turn on server-side TCP fast open support (0 success, -1 error) */
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int socket_fastopen(int s);
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/* Turn quick ack mode on or off for the socket s. */
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int socket_quickack(int s,int value);
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/* For client-side TCP fast open, connect and sending the first data is
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* just one step, so we need an API to do it in one step */
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att_readn(4,5) att_nonnull(4)
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ssize_t socket_fastopen_connect4(int s,const char ip[4],uint16 port,const char* buf,size_t len);
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att_readn(5,6) att_nonnull(5)
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ssize_t socket_fastopen_connect6(int s,const char ip[16],uint16 port,uint32 scope_id,const char* buf,size_t len);
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#ifdef __MINGW32__
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#include <winsock2.h>
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#include <ws2tcpip.h>
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#ifndef EWOULDBLOCK
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#define EWOULDBLOCK WSAEWOULDBLOCK
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#define EINPROGRESS WSAEINPROGRESS
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#define EALREADY WSAEALREADY
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#define ENOTSOCK WSAENOTSOCK
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#define EDESTADDRREQ WSAEDESTADDRREQ
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#define EMSGSIZE WSAEMSGSIZE
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#define EPROTOTYPE WSAEPROTOTYPE
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#define ENOPROTOOPT WSAENOPROTOOPT
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#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
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#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
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#define EOPNOTSUPP WSAEOPNOTSUPP
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#define EPFNOSUPPORT WSAEPFNOSUPPORT
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#define EAFNOSUPPORT WSAEAFNOSUPPORT
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#define EADDRINUSE WSAEADDRINUSE
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#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
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#define ENETDOWN WSAENETDOWN
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#define ENETUNREACH WSAENETUNREACH
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#define ENETRESET WSAENETRESET
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#define ECONNABORTED WSAECONNABORTED
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#define ECONNRESET WSAECONNRESET
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#define ENOBUFS WSAENOBUFS
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#define EISCONN WSAEISCONN
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#define ENOTCONN WSAENOTCONN
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#define ESHUTDOWN WSAESHUTDOWN
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#define ETOOMANYREFS WSAETOOMANYREFS
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#define ETIMEDOUT WSAETIMEDOUT
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#define ECONNREFUSED WSAECONNREFUSED
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#define ELOOP WSAELOOP
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#define EHOSTDOWN WSAEHOSTDOWN
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#define EHOSTUNREACH WSAEHOSTUNREACH
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#define EPROCLIM WSAEPROCLIM
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#define EUSERS WSAEUSERS
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#define EDQUOT WSAEDQUOT
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#define ESTALE WSAESTALE
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#define EREMOTE WSAEREMOTE
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#define EDISCON WSAEDISCON
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#endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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