34#define MHD_SOCKETS_H 1
44#if ! defined(MHD_POSIX_SOCKETS) && ! defined(MHD_WINSOCK_SOCKETS)
45# if ! defined(_WIN32) || defined(__CYGWIN__)
46# define MHD_POSIX_SOCKETS 1
48# define MHD_WINSOCK_SOCKETS 1
59#if defined(MHD_POSIX_SOCKETS)
60# ifdef HAVE_SYS_TYPES_H
61# include <sys/types.h>
63# ifdef HAVE_SYS_SOCKET_H
64# include <sys/socket.h>
66# if defined(__VXWORKS__) || defined(__vxworks) || defined(OS_VXWORKS)
75# ifdef HAVE_NETINET_IN_H
76# include <netinet/in.h>
78# ifdef HAVE_ARPA_INET_H
79# include <arpa/inet.h>
84# ifdef HAVE_SYS_TIME_H
93# ifdef HAVE_SYS_SELECT_H
94# include <sys/select.h>
97# include <sys/epoll.h>
99# ifdef HAVE_NETINET_TCP_H
101# include <netinet/tcp.h>
106#elif defined(MHD_WINSOCK_SOCKETS)
107# ifndef WIN32_LEAN_AND_MEAN
108# define WIN32_LEAN_AND_MEAN 1
110# include <winsock2.h>
111# include <ws2tcpip.h>
114#if defined(HAVE_POLL_H) && defined(HAVE_POLL)
119#if defined(_MSC_FULL_VER) && ! defined (_SSIZE_T_DEFINED)
121# define _SSIZE_T_DEFINED
122typedef intptr_t ssize_t;
127#ifdef _MHD_FD_SETSIZE_IS_DEFAULT
128# define _MHD_SYS_DEFAULT_FD_SETSIZE FD_SETSIZE
131# define _MHD_SYS_DEFAULT_FD_SETSIZE get_system_fdsetsize_value ()
138# define MHD_PANIC(msg) do { fprintf (stderr, \
139 "Abnormal termination at %d line in file %s: %s\n", \
140 (int) __LINE__, __FILE__, msg); abort (); \
144#ifndef MHD_SOCKET_DEFINED
148# if defined(MHD_POSIX_SOCKETS)
150# define MHD_INVALID_SOCKET (-1)
151# elif defined(MHD_WINSOCK_SOCKETS)
153# define MHD_INVALID_SOCKET (INVALID_SOCKET)
156# define MHD_SOCKET_DEFINED 1
160# define MAYBE_SOCK_CLOEXEC SOCK_CLOEXEC
162# define MAYBE_SOCK_CLOEXEC 0
165#ifdef HAVE_SOCK_NONBLOCK
166# define MAYBE_SOCK_NONBLOCK SOCK_NONBLOCK
168# define MAYBE_SOCK_NONBLOCK 0
172# define MAYBE_SOCK_NOSIGPIPE SOCK_NOSIGPIPE
174# define MAYBE_SOCK_NOSIGPIPE 0
178# define MAYBE_MSG_NOSIGNAL MSG_NOSIGNAL
180# define MAYBE_MSG_NOSIGNAL 0
183#if ! defined(SHUT_WR) && defined(SD_SEND)
184# define SHUT_WR SD_SEND
186#if ! defined(SHUT_RD) && defined(SD_RECEIVE)
187# define SHUT_RD SD_RECEIVE
189#if ! defined(SHUT_RDWR) && defined(SD_BOTH)
190# define SHUT_RDWR SD_BOTH
193#if HAVE_ACCEPT4 + 0 != 0 && (defined(HAVE_SOCK_NONBLOCK) || \
194 defined(SOCK_CLOEXEC) || defined(SOCK_NOSIGPIPE))
195# define USE_ACCEPT4 1
198#if defined(HAVE_EPOLL_CREATE1) && defined(EPOLL_CLOEXEC)
199# define USE_EPOLL_CREATE1 1
206#define MHD_TCP_FASTOPEN_QUEUE_SIZE_DEFAULT 10
214#define MHD_TCP_CORK_NOPUSH TCP_CORK
215#elif defined(TCP_NOPUSH)
219#define MHD_TCP_CORK_NOPUSH TCP_NOPUSH
226#ifdef MHD_POSIX_SOCKETS
236#if ! defined(MHD_WINSOCK_SOCKETS)
245#if ! defined(MHD_WINSOCK_SOCKETS)
246# define MHD_SCKT_SEND_MAX_SIZE_ SSIZE_MAX
248# define MHD_SCKT_SEND_MAX_SIZE_ INT_MAX
261#if ! defined(MHD_WINSOCK_SOCKETS)
262# define MHD_socket_close_(fd) ((0 == close ((fd))) || (EBADF != errno))
264# define MHD_socket_close_(fd) (0 == closesocket ((fd)))
272#define MHD_socket_close_chk_(fd) do { \
273 if (! MHD_socket_close_ (fd)) \
274 MHD_PANIC (_ ("Close socket failed.\n")); \
285#define MHD_send_(s,b,l) \
286 ((ssize_t) send ((s),(const void*) (b),(MHD_SCKT_SEND_SIZE_) (l), \
297#define MHD_recv_(s,b,l) \
298 ((ssize_t) recv ((s),(void*) (b),(MHD_SCKT_SEND_SIZE_) (l), 0))
310#if defined(MHD_POSIX_SOCKETS)
311# define MHD_SCKT_FD_FITS_FDSET_SETSIZE_(fd,pset,setsize) ((fd) < \
314#elif defined(MHD_WINSOCK_SOCKETS)
315# define MHD_SCKT_FD_FITS_FDSET_SETSIZE_(fd,pset,setsize) ( ((void*) (pset)== \
317 (((fd_set*) (pset)) \
333#define MHD_SCKT_FD_FITS_FDSET_(fd,pset) MHD_SCKT_FD_FITS_FDSET_SETSIZE_ ((fd), \
345#if defined(MHD_POSIX_SOCKETS)
346# define MHD_SCKT_ADD_FD_TO_FDSET_SETSIZE_(fd,pset,setsize) FD_SET ((fd), \
348#elif defined(MHD_WINSOCK_SOCKETS)
349# define MHD_SCKT_ADD_FD_TO_FDSET_SETSIZE_(fd,pset,setsize) \
352 fd_set*const _s_ = (fd_set*) (pset); \
353 while ((_i_ < _s_->fd_count) && ((fd) != _s_->fd_array [_i_])) {++_i_;} \
354 if ((_i_ == _s_->fd_count)) {_s_->fd_array [_s_->fd_count ++] = (fd);} \
359#if ! defined(MHD_WINSOCK_SOCKETS)
360# define MHD_SYS_select_(n,r,w,e,t) select ((n),(r),(w),(e),(t))
362# define MHD_SYS_select_(n,r,w,e,t) \
363 ( ( (((void*) (r) == (void*) 0) || ((fd_set*) (r))->fd_count == 0) && \
364 (((void*) (w) == (void*) 0) || ((fd_set*) (w))->fd_count == 0) && \
365 (((void*) (e) == (void*) 0) || ((fd_set*) (e))->fd_count == 0) ) ? \
366 ( ((void*) (t) == (void*) 0) ? 0 : \
367 (Sleep (((struct timeval*) (t))->tv_sec * 1000 \
368 + ((struct timeval*) (t))->tv_usec / 1000), 0) ) : \
369 (select ((int) 0,(r),(w),(e),(t))) )
372#if defined(HAVE_POLL)
374# if ! defined(MHD_WINSOCK_SOCKETS)
375# define MHD_sys_poll_ poll
377# define MHD_sys_poll_ WSAPoll
381# define MHD_POLLPRI_OR_ZERO POLLPRI
383# define MHD_POLLPRI_OR_ZERO 0
386# define MHD_POLLRDBAND_OR_ZERO POLLRDBAND
388# define MHD_POLLRDBAND_OR_ZERO 0
391# define MHD_POLLNVAL_OR_ZERO POLLNVAL
393# define MHD_POLLNVAL_OR_ZERO 0
398# if defined(_WIN32) && ! defined(__CYGWIN__)
399# define MHD_POLL_EVENTS_ERR_DISC POLLRDBAND
400# elif defined(__linux__)
401# define MHD_POLL_EVENTS_ERR_DISC POLLPRI
403# define MHD_POLL_EVENTS_ERR_DISC (MHD_POLLPRI_OR_ZERO \
404 | MHD_POLLRDBAND_OR_ZERO)
408# define MHD_POLL_REVENTS_ERR_DISC \
409 (MHD_POLLPRI_OR_ZERO | MHD_POLLRDBAND_OR_ZERO | MHD_POLLNVAL_OR_ZERO \
413# define MHD_POLL_REVENTS_ERRROR \
414 (MHD_POLLPRI_OR_ZERO | MHD_POLLRDBAND_OR_ZERO | MHD_POLLNVAL_OR_ZERO \
418#define MHD_SCKT_MISSING_ERR_CODE_ 31450
420#if defined(MHD_POSIX_SOCKETS)
422# define MHD_SCKT_EAGAIN_ EAGAIN
423# elif defined(EWOULDBLOCK)
424# define MHD_SCKT_EAGAIN_ EWOULDBLOCK
426# define MHD_SCKT_EAGAIN_ MHD_SCKT_MISSING_ERR_CODE_
428# if defined(EWOULDBLOCK)
429# define MHD_SCKT_EWOULDBLOCK_ EWOULDBLOCK
430# elif defined(EAGAIN)
431# define MHD_SCKT_EWOULDBLOCK_ EAGAIN
433# define MHD_SCKT_EWOULDBLOCK_ MHD_SCKT_MISSING_ERR_CODE_
436# define MHD_SCKT_EINTR_ EINTR
438# define MHD_SCKT_EINTR_ MHD_SCKT_MISSING_ERR_CODE_
441# define MHD_SCKT_ECONNRESET_ ECONNRESET
443# define MHD_SCKT_ECONNRESET_ MHD_SCKT_MISSING_ERR_CODE_
446# define MHD_SCKT_ECONNABORTED_ ECONNABORTED
448# define MHD_SCKT_ECONNABORTED_ MHD_SCKT_MISSING_ERR_CODE_
451# define MHD_SCKT_ENOTCONN_ ENOTCONN
453# define MHD_SCKT_ENOTCONN_ MHD_SCKT_MISSING_ERR_CODE_
456# define MHD_SCKT_EMFILE_ EMFILE
458# define MHD_SCKT_EMFILE_ MHD_SCKT_MISSING_ERR_CODE_
461# define MHD_SCKT_ENFILE_ ENFILE
463# define MHD_SCKT_ENFILE_ MHD_SCKT_MISSING_ERR_CODE_
466# define MHD_SCKT_ENOMEM_ ENOMEM
468# define MHD_SCKT_ENOMEM_ MHD_SCKT_MISSING_ERR_CODE_
471# define MHD_SCKT_ENOBUFS_ ENOBUFS
473# define MHD_SCKT_ENOBUFS_ MHD_SCKT_MISSING_ERR_CODE_
476# define MHD_SCKT_EBADF_ EBADF
478# define MHD_SCKT_EBADF_ MHD_SCKT_MISSING_ERR_CODE_
481# define MHD_SCKT_ENOTSOCK_ ENOTSOCK
483# define MHD_SCKT_ENOTSOCK_ MHD_SCKT_MISSING_ERR_CODE_
486# define MHD_SCKT_EINVAL_ EINVAL
488# define MHD_SCKT_EINVAL_ MHD_SCKT_MISSING_ERR_CODE_
491# define MHD_SCKT_EFAUL_ EFAULT
493# define MHD_SCKT_EFAUL_ MHD_SCKT_MISSING_ERR_CODE_
496# define MHD_SCKT_ENOSYS_ ENOSYS
498# define MHD_SCKT_ENOSYS_ MHD_SCKT_MISSING_ERR_CODE_
501# define MHD_SCKT_ENOTSUP_ ENOTSUP
503# define MHD_SCKT_ENOTSUP_ MHD_SCKT_MISSING_ERR_CODE_
506# define MHD_SCKT_EOPNOTSUPP_ EOPNOTSUPP
508# define MHD_SCKT_EOPNOTSUPP_ MHD_SCKT_MISSING_ERR_CODE_
511# define MHD_SCKT_EACCESS_ EACCES
513# define MHD_SCKT_EACCESS_ MHD_SCKT_MISSING_ERR_CODE_
516# define MHD_SCKT_ENETDOWN_ ENETDOWN
518# define MHD_SCKT_ENETDOWN_ MHD_SCKT_MISSING_ERR_CODE_
520#elif defined(MHD_WINSOCK_SOCKETS)
521# define MHD_SCKT_EAGAIN_ WSAEWOULDBLOCK
522# define MHD_SCKT_EWOULDBLOCK_ WSAEWOULDBLOCK
523# define MHD_SCKT_EINTR_ WSAEINTR
524# define MHD_SCKT_ECONNRESET_ WSAECONNRESET
525# define MHD_SCKT_ECONNABORTED_ WSAECONNABORTED
526# define MHD_SCKT_ENOTCONN_ WSAENOTCONN
527# define MHD_SCKT_EMFILE_ WSAEMFILE
528# define MHD_SCKT_ENFILE_ MHD_SCKT_MISSING_ERR_CODE_
529# define MHD_SCKT_ENOMEM_ MHD_SCKT_MISSING_ERR_CODE_
530# define MHD_SCKT_ENOBUFS_ WSAENOBUFS
531# define MHD_SCKT_EBADF_ WSAEBADF
532# define MHD_SCKT_ENOTSOCK_ WSAENOTSOCK
533# define MHD_SCKT_EINVAL_ WSAEINVAL
534# define MHD_SCKT_EFAUL_ WSAEFAULT
535# define MHD_SCKT_ENOSYS_ MHD_SCKT_MISSING_ERR_CODE_
536# define MHD_SCKT_ENOTSUP_ MHD_SCKT_MISSING_ERR_CODE_
537# define MHD_SCKT_EOPNOTSUPP_ WSAEOPNOTSUPP
538# define MHD_SCKT_EACCESS_ WSAEACCES
539# define MHD_SCKT_ENETDOWN_ WSAENETDOWN
546#if defined(MHD_POSIX_SOCKETS)
547# define MHD_socket_get_error_() (errno)
548#elif defined(MHD_WINSOCK_SOCKETS)
549# define MHD_socket_get_error_() WSAGetLastError ()
552#ifdef MHD_WINSOCK_SOCKETS
560const char*MHD_W32_strerror_winsock_ (
int err);
565#if defined(MHD_POSIX_SOCKETS)
566# define MHD_socket_strerr_(err) strerror ((err))
567#elif defined(MHD_WINSOCK_SOCKETS)
568# define MHD_socket_strerr_(err) MHD_W32_strerror_winsock_ ((err))
573#define MHD_socket_last_strerr_() MHD_socket_strerr_ (MHD_socket_get_error_ ())
578#if defined(MHD_POSIX_SOCKETS)
579# define MHD_socket_fset_error_(err) (errno = (err))
580#elif defined(MHD_WINSOCK_SOCKETS)
581# define MHD_socket_fset_error_(err) (WSASetLastError ((err)))
592#define MHD_socket_try_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ != (err)) ? \
593 (MHD_socket_fset_error_ ((err)), ! 0) : \
601#if defined(MHD_POSIX_SOCKETS)
603# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
604 (errno = ENOSYS) : (errno = (err)) )
605# elif defined(EOPNOTSUPP)
606# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
607 (errno = EOPNOTSUPP) : (errno = \
609# elif defined (EFAULT)
610# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
611 (errno = EFAULT) : (errno = (err)) )
612# elif defined (EINVAL)
613# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
614 (errno = EINVAL) : (errno = (err)) )
617 No suitable replacement for missing socket error code is found. Edit this file and add replacement code which is defined on system.
618# define MHD_socket_set_error_(err) (errno = (err))
620#elif defined(MHD_WINSOCK_SOCKETS)
621# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
622 (WSASetLastError ((WSAEOPNOTSUPP))) : \
623 (WSASetLastError ((err))) )
635#define MHD_SCKT_ERR_IS_(err,code) ( (MHD_SCKT_MISSING_ERR_CODE_ != (code)) && \
647#define MHD_SCKT_LAST_ERR_IS_(code) MHD_SCKT_ERR_IS_ (MHD_socket_get_error_ (), \
658#define MHD_SCKT_ERR_IS_EINTR_(err) MHD_SCKT_ERR_IS_ ((err),MHD_SCKT_EINTR_)
666#if MHD_SCKT_EAGAIN_ == MHD_SCKT_EWOULDBLOCK_
667# define MHD_SCKT_ERR_IS_EAGAIN_(err) MHD_SCKT_ERR_IS_ ((err),MHD_SCKT_EAGAIN_)
669# define MHD_SCKT_ERR_IS_EAGAIN_(err) (MHD_SCKT_ERR_IS_ ((err), \
670 MHD_SCKT_EAGAIN_) || \
671 MHD_SCKT_ERR_IS_ ((err), \
672 MHD_SCKT_EWOULDBLOCK_) )
680#define MHD_SCKT_ERR_IS_LOW_RESOURCES_(err) (MHD_SCKT_ERR_IS_ ((err), \
683 MHD_SCKT_ERR_IS_ ((err), \
686 MHD_SCKT_ERR_IS_ ((err), \
689 MHD_SCKT_ERR_IS_ ((err), \
698#if defined(MHD_POSIX_SOCKETS)
699# define MHD_SCKT_ERR_IS_DISCNN_BEFORE_ACCEPT_(err) MHD_SCKT_ERR_IS_ ((err), \
700 MHD_SCKT_ECONNABORTED_)
701#elif defined(MHD_WINSOCK_SOCKETS)
702# define MHD_SCKT_ERR_IS_DISCNN_BEFORE_ACCEPT_(err) MHD_SCKT_ERR_IS_ ((err), \
703 MHD_SCKT_ECONNRESET_)
712#define MHD_SCKT_ERR_IS_REMOTE_DISCNN_(err) (MHD_SCKT_ERR_IS_ ((err), \
713 MHD_SCKT_ECONNRESET_) \
715 MHD_SCKT_ERR_IS_ ((err), \
716 MHD_SCKT_ECONNABORTED_))
724#if MHD_SCKT_MISSING_ERR_CODE_ != MHD_SCKT_ENOMEM_
725# define MHD_socket_set_error_to_ENOMEM() MHD_socket_set_error_ ( \
727#elif MHD_SCKT_MISSING_ERR_CODE_ != MHD_SCKT_ENOBUFS_
728# define MHD_socket_set_error_to_ENOMEM() MHD_socket_set_error_ ( \
732 No suitable replacement for ENOMEM error codes is found. Edit this file and add replacement code which is defined on system.
733# define MHD_socket_set_error_to_ENOMEM() MHD_socket_set_error_ ( \
740# define MHD_SCKT_LOCAL AF_LOCAL
741#elif defined(AF_UNIX)
742# define MHD_SCKT_LOCAL AF_UNIX
745#if defined(MHD_POSIX_SOCKETS) && defined(MHD_SCKT_LOCAL)
746# define MHD_socket_pair_(fdarr) (! socketpair (MHD_SCKT_LOCAL, SOCK_STREAM, 0, \
748# if defined(HAVE_SOCK_NONBLOCK)
749# define MHD_socket_pair_nblk_(fdarr) (! socketpair (MHD_SCKT_LOCAL, \
751 | SOCK_NONBLOCK, 0, \
754#elif defined(MHD_WINSOCK_SOCKETS)
762int MHD_W32_socket_pair_ (SOCKET sockets_pair[2],
int non_blk);
764# define MHD_socket_pair_(fdarr) MHD_W32_socket_pair_ ((fdarr), 0)
765# define MHD_socket_pair_nblk_(fdarr) MHD_W32_socket_pair_ ((fdarr), 1)
782 unsigned int fd_setsize);
853#if defined(SOL_SOCKET) && defined(SO_NOSIGPIPE)
854static const int _MHD_socket_int_one = 1;
861#define MHD_socket_nosignal_(sock) \
862 (! setsockopt ((sock),SOL_SOCKET,SO_NOSIGPIPE,&_MHD_socket_int_one, \
863 sizeof(_MHD_socket_int_one)))
864#elif defined(MHD_POSIX_SOCKETS) && defined(SOCK_NOSIGPIPE) && \
865 defined(SOCK_CLOEXEC)
size_t MHD_SCKT_SEND_SIZE_
int MHD_add_to_fd_set_(MHD_socket fd, fd_set *set, MHD_socket *max_fd, unsigned int fd_setsize)
int MHD_socket_noninheritable_(MHD_socket sock)
int MHD_socket_nonblocking_(MHD_socket sock)
MHD_socket MHD_socket_create_listen_(int pf)
additional automatic macros for MHD_config.h
limits values definitions
int MHD_socket_cork_(MHD_socket sock, bool on)
int MHD_socket_buffering_reset_(MHD_socket sock)
int MHD_socket_set_nodelay_(MHD_socket sock, bool on)
Helper for obtaining FD_SETSIZE system default value.