Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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/* this header file comes from libowfat, http://www.fefe.de/libowfat/ */
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#ifndef SOCKET_H
#define SOCKET_H
#include <sys/types.h>
#include <libowfat/compiler.h>
#include <libowfat/uint16.h>
#include <libowfat/uint32.h>
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#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);
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int socket_sctp4(void);
int socket_sctp4b(void);
int socket_sctp6(void);
int socket_sctp6b(void);
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#define socket_tcp() socket_tcp4()
#define socket_udp() socket_udp4()
int socket_connect4(int s,const char* ip,uint16 port);
int socket_connect6(int s,const char* ip,uint16 port,uint32 scope_id);
int socket_connected(int s);
int socket_bind4(int s,const char* ip,uint16 port);
int socket_bind4_reuse(int s,const char* ip,uint16 port);
int socket_bind6(int s,const char* ip,uint16 port,uint32 scope_id);
int socket_bind6_reuse(int s,const char* ip,uint16 port,uint32 scope_id);
int socket_listen(int s,unsigned int backlog);
int socket_accept4(int s,char* ip,uint16* port);
int socket_accept6(int s,char* ip,uint16* port,uint32* scope_id);
int socket_accept4_makenonblocking(int s,char* ip,uint16* port);
int socket_accept6_makenonblocking(int s,char* ip,uint16* port,uint32* scope_id);
int socket_accept4_setcloseonexec(int s,char* ip,uint16* port);
int socket_accept6_setcloseonexec(int s,char* ip,uint16* port,uint32* scope_id);
int socket_accept4_makenonblocking_setcloseonexec(int s,char* ip,uint16* port);
int socket_accept6_makenonblocking_setcloseonexec(int s,char* ip,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,uint16* port, int flags);
int socket_accept6_flags(int s,char* ip,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,uint16* port);
att_writen(2,3) att_nonnull(2)
ssize_t socket_recv6(int s,char* buf,size_t len,char* ip,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,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,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,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,uint16 port,uint32 scope_id,int flags);
int socket_local4(int s,char* ip,uint16* port);
int socket_local6(int s,char* ip,uint16* port,uint32* scope_id);
int socket_remote4(int s,char* ip,uint16* port);
int socket_remote6(int s,char* ip,uint16* port,uint32* scope_id);
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/* enable sending udp packets to the broadcast address */
int socket_broadcast(int s);
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/* join a multicast group on the given interface */
int socket_mcjoin4(int s,const char* groupip,const char* _interface);
int socket_mcjoin6(int s,const char* groupip,int _interface);
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/* leave a multicast group on the given interface */
int socket_mcleave4(int s,const char* groupip);
int socket_mcleave6(int s,const char* groupip);
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/* set multicast TTL/hop count for outgoing packets */
int socket_mcttl4(int s,char hops);
int socket_mchopcount6(int s,char hops);
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/* enable multicast loopback, pass 1 for enable, 0 for disable */
int socket_mcloop4(int s,char loop);
int socket_mcloop6(int s,char loop);
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/* 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);
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const char* socket_getifname(uint32 _interface);
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
* 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 */
ssize_t socket_fastopen_connect4(int s,const char* ip,uint16 port,const char* buf,size_t len);
ssize_t socket_fastopen_connect6(int s,const char* ip,uint16 port,uint32 scope_id,const char* buf,size_t len);
#ifdef __MINGW32__
#include <winsock2.h>
#include <ws2tcpip.h>
#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
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#endif