34#define MHD_SOCKETS_H 1
48#if defined(_MSC_FULL_VER) && ! defined(_SSIZE_T_DEFINED)
50# define _SSIZE_T_DEFINED
51typedef intptr_t ssize_t;
54#if ! defined(MHD_POSIX_SOCKETS) && ! defined(MHD_WINSOCK_SOCKETS)
55# if ! defined(_WIN32) || defined(__CYGWIN__)
56# define MHD_POSIX_SOCKETS 1
58# define MHD_WINSOCK_SOCKETS 1
69#if defined(MHD_POSIX_SOCKETS)
70# ifdef HAVE_SYS_TYPES_H
71# include <sys/types.h>
73# ifdef HAVE_SYS_TIME_H
82# ifdef HAVE_SYS_SOCKET_H
83# include <sys/socket.h>
85# if defined(__VXWORKS__) || defined(__vxworks) || defined(OS_VXWORKS)
94# ifdef HAVE_NETINET_IN_H
95# include <netinet/in.h>
97# ifdef HAVE_ARPA_INET_H
98# include <arpa/inet.h>
106# ifdef HAVE_SYS_SELECT_H
107# include <sys/select.h>
110# include <sys/epoll.h>
112# ifdef HAVE_NETINET_TCP_H
114# include <netinet/tcp.h>
116#elif defined(MHD_WINSOCK_SOCKETS)
117# ifndef WIN32_LEAN_AND_MEAN
118# define WIN32_LEAN_AND_MEAN 1
120# include <winsock2.h>
121# include <ws2tcpip.h>
124#if defined(HAVE_POLL_H) && defined(HAVE_POLL)
130#include <sys/param.h>
135#ifdef _MHD_FD_SETSIZE_IS_DEFAULT
136# define _MHD_SYS_DEFAULT_FD_SETSIZE FD_SETSIZE
139# define _MHD_SYS_DEFAULT_FD_SETSIZE get_system_fdsetsize_value ()
146# define MHD_PANIC(msg) \
147 do { fprintf (stderr, \
148 "Abnormal termination at %d line in file %s: %s\n", \
149 (int) __LINE__, __FILE__, msg); abort (); \
153#ifndef MHD_SOCKET_DEFINED
157# if defined(MHD_POSIX_SOCKETS)
159# define MHD_INVALID_SOCKET (-1)
160# elif defined(MHD_WINSOCK_SOCKETS)
162# define MHD_INVALID_SOCKET (INVALID_SOCKET)
165# define MHD_SOCKET_DEFINED 1
169# define SOCK_CLOEXEC_OR_ZERO SOCK_CLOEXEC
171# define SOCK_CLOEXEC_OR_ZERO 0
174#ifdef HAVE_SOCK_NONBLOCK
175# define SOCK_NONBLOCK_OR_ZERO SOCK_NONBLOCK
177# define SOCK_NONBLOCK_OR_ZERO 0
181# define SOCK_NOSIGPIPE_OR_ZERO SOCK_NOSIGPIPE
183# define SOCK_NOSIGPIPE_OR_ZERO 0
187# define MSG_NOSIGNAL_OR_ZERO MSG_NOSIGNAL
189# define MSG_NOSIGNAL_OR_ZERO 0
192#if ! defined(SHUT_WR) && defined(SD_SEND)
193# define SHUT_WR SD_SEND
195#if ! defined(SHUT_RD) && defined(SD_RECEIVE)
196# define SHUT_RD SD_RECEIVE
198#if ! defined(SHUT_RDWR) && defined(SD_BOTH)
199# define SHUT_RDWR SD_BOTH
202#if HAVE_ACCEPT4 + 0 != 0 && (defined(HAVE_SOCK_NONBLOCK) || \
203 defined(SOCK_CLOEXEC) || defined(SOCK_NOSIGPIPE))
204# define USE_ACCEPT4 1
207#if defined(__FreeBSD__) || defined(__OpenBSD__) || defined(__NetBSD__) || \
208 defined(MHD_WINSOCK_SOCKETS) || defined(__MACH__) || defined(__sun) || \
211#define MHD_ACCEPT_INHERIT_NONBLOCK 1
214#if defined(HAVE_EPOLL_CREATE1) && defined(EPOLL_CLOEXEC)
215# define USE_EPOLL_CREATE1 1
222#define MHD_TCP_FASTOPEN_QUEUE_SIZE_DEFAULT 10
230#define MHD_TCP_CORK_NOPUSH TCP_CORK
231#elif defined(TCP_NOPUSH)
235#define MHD_TCP_CORK_NOPUSH TCP_NOPUSH
239#ifdef MHD_TCP_CORK_NOPUSH
244#define _MHD_CORK_RESET_PUSH_DATA 1
249#define _MHD_CORK_RESET_PUSH_DATA_ALWAYS 1
251#if defined(__FreeBSD__) && \
252 ((__FreeBSD__ + 0) >= 5 || (__FreeBSD_version + 0) >= 450000)
258#define _MHD_CORK_RESET_PUSH_DATA 1
265#define _MHD_CORK_RESET_PUSH_DATA 1
273#define _MHD_NODELAY_SET_PUSH_DATA 1
278#define _MHD_NODELAY_SET_PUSH_DATA_ALWAYS 1
289#define MHD_USE_MSG_MORE 1
297#ifdef MHD_POSIX_SOCKETS
307#if ! defined(MHD_WINSOCK_SOCKETS)
316#if ! defined(MHD_WINSOCK_SOCKETS)
317# define MHD_SCKT_SEND_MAX_SIZE_ SSIZE_MAX
319# define MHD_SCKT_SEND_MAX_SIZE_ INT_MAX
332#if ! defined(MHD_WINSOCK_SOCKETS)
333# define MHD_socket_close_(fd) ((0 == close ((fd))) || (EBADF != errno))
335# define MHD_socket_close_(fd) (0 == closesocket ((fd)))
343#define MHD_socket_close_chk_(fd) do { \
344 if (! MHD_socket_close_ (fd)) \
345 MHD_PANIC (_ ("Close socket failed.\n")); \
357#define MHD_send4_(s,b,l,f) \
358 ((ssize_t) send ((s),(const void*) (b),(MHD_SCKT_SEND_SIZE_) (l), \
359 ((MSG_NOSIGNAL_OR_ZERO) | (f))))
369#define MHD_send_(s,b,l) MHD_send4_((s),(b),(l), 0)
379#define MHD_recv_(s,b,l) \
380 ((ssize_t) recv ((s),(void*) (b),(MHD_SCKT_SEND_SIZE_) (l), 0))
392#if defined(MHD_POSIX_SOCKETS)
393# define MHD_SCKT_FD_FITS_FDSET_SETSIZE_(fd,pset,setsize) \
394 ((fd) < ((MHD_socket) setsize))
395#elif defined(MHD_WINSOCK_SOCKETS)
396# define MHD_SCKT_FD_FITS_FDSET_SETSIZE_(fd,pset,setsize) \
397 ( ((void*) (pset)== (void*) 0) || \
398 (((fd_set*) (pset))->fd_count < ((unsigned) setsize)) || \
399 (FD_ISSET ((fd), (pset))) )
410#define MHD_SCKT_FD_FITS_FDSET_(fd,pset) \
411 MHD_SCKT_FD_FITS_FDSET_SETSIZE_ ((fd), (pset), FD_SETSIZE)
421#if defined(MHD_POSIX_SOCKETS)
422# define MHD_SCKT_ADD_FD_TO_FDSET_SETSIZE_(fd,pset,setsize) \
423 FD_SET ((fd), (pset))
424#elif defined(MHD_WINSOCK_SOCKETS)
425# define MHD_SCKT_ADD_FD_TO_FDSET_SETSIZE_(fd,pset,setsize) \
428 fd_set*const _s_ = (fd_set*) (pset); \
429 while ((_i_ < _s_->fd_count) && ((fd) != _s_->fd_array [_i_])) {++_i_;} \
430 if ((_i_ == _s_->fd_count)) {_s_->fd_array [_s_->fd_count ++] = (fd);} \
435#if ! defined(MHD_WINSOCK_SOCKETS)
436# define MHD_SYS_select_(n,r,w,e,t) select ((n),(r),(w),(e),(t))
438# define MHD_SYS_select_(n,r,w,e,t) \
439 ( ( (((void*) (r) == (void*) 0) || ((fd_set*) (r))->fd_count == 0) && \
440 (((void*) (w) == (void*) 0) || ((fd_set*) (w))->fd_count == 0) && \
441 (((void*) (e) == (void*) 0) || ((fd_set*) (e))->fd_count == 0) ) ? \
442 ( ((void*) (t) == (void*) 0) ? 0 : \
443 (Sleep (((struct timeval*) (t))->tv_sec * 1000 \
444 + ((struct timeval*) (t))->tv_usec / 1000), 0) ) : \
445 (select ((int) 0,(r),(w),(e),(t))) )
448#if defined(HAVE_POLL)
450# if ! defined(MHD_WINSOCK_SOCKETS)
451# define MHD_sys_poll_ poll
453# define MHD_sys_poll_ WSAPoll
457# define MHD_POLLPRI_OR_ZERO POLLPRI
459# define MHD_POLLPRI_OR_ZERO 0
462# define MHD_POLLRDBAND_OR_ZERO POLLRDBAND
464# define MHD_POLLRDBAND_OR_ZERO 0
467# define MHD_POLLNVAL_OR_ZERO POLLNVAL
469# define MHD_POLLNVAL_OR_ZERO 0
474# if defined(_WIN32) && ! defined(__CYGWIN__)
475# define MHD_POLL_EVENTS_ERR_DISC POLLRDBAND
476# elif defined(__linux__)
477# define MHD_POLL_EVENTS_ERR_DISC POLLPRI
479# define MHD_POLL_EVENTS_ERR_DISC \
480 (MHD_POLLPRI_OR_ZERO | MHD_POLLRDBAND_OR_ZERO)
484# define MHD_POLL_REVENTS_ERR_DISC \
485 (MHD_POLLPRI_OR_ZERO | MHD_POLLRDBAND_OR_ZERO | MHD_POLLNVAL_OR_ZERO \
489# define MHD_POLL_REVENTS_ERRROR \
490 (MHD_POLLPRI_OR_ZERO | MHD_POLLRDBAND_OR_ZERO | MHD_POLLNVAL_OR_ZERO \
494#define MHD_SCKT_MISSING_ERR_CODE_ 31450
496#if defined(MHD_POSIX_SOCKETS)
498# define MHD_SCKT_EAGAIN_ EAGAIN
499# elif defined(EWOULDBLOCK)
500# define MHD_SCKT_EAGAIN_ EWOULDBLOCK
502# define MHD_SCKT_EAGAIN_ MHD_SCKT_MISSING_ERR_CODE_
504# if defined(EWOULDBLOCK)
505# define MHD_SCKT_EWOULDBLOCK_ EWOULDBLOCK
506# elif defined(EAGAIN)
507# define MHD_SCKT_EWOULDBLOCK_ EAGAIN
509# define MHD_SCKT_EWOULDBLOCK_ MHD_SCKT_MISSING_ERR_CODE_
512# define MHD_SCKT_EINTR_ EINTR
514# define MHD_SCKT_EINTR_ MHD_SCKT_MISSING_ERR_CODE_
517# define MHD_SCKT_ECONNRESET_ ECONNRESET
519# define MHD_SCKT_ECONNRESET_ MHD_SCKT_MISSING_ERR_CODE_
522# define MHD_SCKT_ECONNABORTED_ ECONNABORTED
524# define MHD_SCKT_ECONNABORTED_ MHD_SCKT_MISSING_ERR_CODE_
527# define MHD_SCKT_ENOTCONN_ ENOTCONN
529# define MHD_SCKT_ENOTCONN_ MHD_SCKT_MISSING_ERR_CODE_
532# define MHD_SCKT_EMFILE_ EMFILE
534# define MHD_SCKT_EMFILE_ MHD_SCKT_MISSING_ERR_CODE_
537# define MHD_SCKT_ENFILE_ ENFILE
539# define MHD_SCKT_ENFILE_ MHD_SCKT_MISSING_ERR_CODE_
542# define MHD_SCKT_ENOMEM_ ENOMEM
544# define MHD_SCKT_ENOMEM_ MHD_SCKT_MISSING_ERR_CODE_
547# define MHD_SCKT_ENOBUFS_ ENOBUFS
549# define MHD_SCKT_ENOBUFS_ MHD_SCKT_MISSING_ERR_CODE_
552# define MHD_SCKT_EBADF_ EBADF
554# define MHD_SCKT_EBADF_ MHD_SCKT_MISSING_ERR_CODE_
557# define MHD_SCKT_ENOTSOCK_ ENOTSOCK
559# define MHD_SCKT_ENOTSOCK_ MHD_SCKT_MISSING_ERR_CODE_
562# define MHD_SCKT_EINVAL_ EINVAL
564# define MHD_SCKT_EINVAL_ MHD_SCKT_MISSING_ERR_CODE_
567# define MHD_SCKT_EPIPE_ EPIPE
569# define MHD_SCKT_EPIPE_ MHD_SCKT_MISSING_ERR_CODE_
572# define MHD_SCKT_EFAUL_ EFAULT
574# define MHD_SCKT_EFAUL_ MHD_SCKT_MISSING_ERR_CODE_
577# define MHD_SCKT_ENOSYS_ ENOSYS
579# define MHD_SCKT_ENOSYS_ MHD_SCKT_MISSING_ERR_CODE_
582# define MHD_SCKT_ENOPROTOOPT_ ENOPROTOOPT
584# define MHD_SCKT_ENOPROTOOPT_ MHD_SCKT_MISSING_ERR_CODE_
587# define MHD_SCKT_ENOTSUP_ ENOTSUP
589# define MHD_SCKT_ENOTSUP_ MHD_SCKT_MISSING_ERR_CODE_
592# define MHD_SCKT_EOPNOTSUPP_ EOPNOTSUPP
594# define MHD_SCKT_EOPNOTSUPP_ MHD_SCKT_MISSING_ERR_CODE_
597# define MHD_SCKT_EACCESS_ EACCES
599# define MHD_SCKT_EACCESS_ MHD_SCKT_MISSING_ERR_CODE_
602# define MHD_SCKT_ENETDOWN_ ENETDOWN
604# define MHD_SCKT_ENETDOWN_ MHD_SCKT_MISSING_ERR_CODE_
607# define MHD_SCKT_EALREADY_ EALREADY
609# define MHD_SCKT_EALREADY_ MHD_SCKT_MISSING_ERR_CODE_
612# define MHD_SCKT_EINPROGRESS_ EINPROGRESS
614# define MHD_SCKT_EINPROGRESS_ MHD_SCKT_MISSING_ERR_CODE_
617# define MHD_SCKT_EISCONN_ EISCONN
619# define MHD_SCKT_EISCONN_ MHD_SCKT_MISSING_ERR_CODE_
621#elif defined(MHD_WINSOCK_SOCKETS)
622# define MHD_SCKT_EAGAIN_ WSAEWOULDBLOCK
623# define MHD_SCKT_EWOULDBLOCK_ WSAEWOULDBLOCK
624# define MHD_SCKT_EINTR_ WSAEINTR
625# define MHD_SCKT_ECONNRESET_ WSAECONNRESET
626# define MHD_SCKT_ECONNABORTED_ WSAECONNABORTED
627# define MHD_SCKT_ENOTCONN_ WSAENOTCONN
628# define MHD_SCKT_EMFILE_ WSAEMFILE
629# define MHD_SCKT_ENFILE_ MHD_SCKT_MISSING_ERR_CODE_
630# define MHD_SCKT_ENOMEM_ MHD_SCKT_MISSING_ERR_CODE_
631# define MHD_SCKT_ENOBUFS_ WSAENOBUFS
632# define MHD_SCKT_EBADF_ WSAEBADF
633# define MHD_SCKT_ENOTSOCK_ WSAENOTSOCK
634# define MHD_SCKT_EINVAL_ WSAEINVAL
635# define MHD_SCKT_EPIPE_ WSAESHUTDOWN
636# define MHD_SCKT_EFAUL_ WSAEFAULT
637# define MHD_SCKT_ENOSYS_ MHD_SCKT_MISSING_ERR_CODE_
638# define MHD_SCKT_ENOPROTOOPT_ WSAENOPROTOOPT
639# define MHD_SCKT_ENOTSUP_ MHD_SCKT_MISSING_ERR_CODE_
640# define MHD_SCKT_EOPNOTSUPP_ WSAEOPNOTSUPP
641# define MHD_SCKT_EACCESS_ WSAEACCES
642# define MHD_SCKT_ENETDOWN_ WSAENETDOWN
643# define MHD_SCKT_EALREADY_ WSAEALREADY
644# define MHD_SCKT_EINPROGRESS_ WSAEACCES
645# define MHD_SCKT_EISCONN_ WSAEISCONN
652#if defined(MHD_POSIX_SOCKETS)
653# define MHD_socket_get_error_() (errno)
654#elif defined(MHD_WINSOCK_SOCKETS)
655# define MHD_socket_get_error_() WSAGetLastError ()
658#ifdef MHD_WINSOCK_SOCKETS
666const char *MHD_W32_strerror_winsock_ (
int err);
671#if defined(MHD_POSIX_SOCKETS)
672# define MHD_socket_strerr_(err) strerror ((err))
673#elif defined(MHD_WINSOCK_SOCKETS)
674# define MHD_socket_strerr_(err) MHD_W32_strerror_winsock_ ((err))
679#define MHD_socket_last_strerr_() MHD_socket_strerr_ (MHD_socket_get_error_ ())
684#if defined(MHD_POSIX_SOCKETS)
685# define MHD_socket_fset_error_(err) (errno = (err))
686#elif defined(MHD_WINSOCK_SOCKETS)
687# define MHD_socket_fset_error_(err) (WSASetLastError ((err)))
698#define MHD_socket_try_set_error_(err) \
699 ( (MHD_SCKT_MISSING_ERR_CODE_ != (err)) ? \
700 (MHD_socket_fset_error_ ((err)), ! 0) : 0)
707#if defined(MHD_POSIX_SOCKETS)
709# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
710 (errno = ENOSYS) : (errno = (err)) )
711# elif defined(EOPNOTSUPP)
712# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
713 (errno = EOPNOTSUPP) : (errno = \
715# elif defined(EFAULT)
716# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
717 (errno = EFAULT) : (errno = (err)) )
718# elif defined(EINVAL)
719# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
720 (errno = EINVAL) : (errno = (err)) )
723 No suitable replacement for missing socket error code is found. Edit this file and add replacement code which is defined on system.
724# define MHD_socket_set_error_(err) (errno = (err))
726#elif defined(MHD_WINSOCK_SOCKETS)
727# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
728 (WSASetLastError ((WSAEOPNOTSUPP))) : \
729 (WSASetLastError ((err))) )
741#define MHD_SCKT_ERR_IS_(err,code) \
742 ( (MHD_SCKT_MISSING_ERR_CODE_ != (code)) && ((code) == (err)) )
753#define MHD_SCKT_LAST_ERR_IS_(code) \
754 MHD_SCKT_ERR_IS_ (MHD_socket_get_error_ (), (code))
764#define MHD_SCKT_ERR_IS_EINTR_(err) MHD_SCKT_ERR_IS_ ((err),MHD_SCKT_EINTR_)
772#if MHD_SCKT_EAGAIN_ == MHD_SCKT_EWOULDBLOCK_
773# define MHD_SCKT_ERR_IS_EAGAIN_(err) MHD_SCKT_ERR_IS_ ((err),MHD_SCKT_EAGAIN_)
775# define MHD_SCKT_ERR_IS_EAGAIN_(err) \
776 ( MHD_SCKT_ERR_IS_ ((err), MHD_SCKT_EAGAIN_) || \
777 MHD_SCKT_ERR_IS_ ((err), MHD_SCKT_EWOULDBLOCK_) )
785#define MHD_SCKT_ERR_IS_LOW_RESOURCES_(err) \
786 ( MHD_SCKT_ERR_IS_ ((err), MHD_SCKT_EMFILE_) || \
787 MHD_SCKT_ERR_IS_ ((err), MHD_SCKT_ENFILE_) || \
788 MHD_SCKT_ERR_IS_ ((err), MHD_SCKT_ENOMEM_) || \
789 MHD_SCKT_ERR_IS_ ((err), MHD_SCKT_ENOBUFS_) )
797#if defined(MHD_POSIX_SOCKETS)
798# define MHD_SCKT_ERR_IS_DISCNN_BEFORE_ACCEPT_(err) \
799 MHD_SCKT_ERR_IS_ ((err), MHD_SCKT_ECONNABORTED_)
800#elif defined(MHD_WINSOCK_SOCKETS)
801# define MHD_SCKT_ERR_IS_DISCNN_BEFORE_ACCEPT_(err) \
802 MHD_SCKT_ERR_IS_ ((err), MHD_SCKT_ECONNRESET_)
811#define MHD_SCKT_ERR_IS_REMOTE_DISCNN_(err) \
812 ( MHD_SCKT_ERR_IS_ ((err), MHD_SCKT_ECONNRESET_) || \
813 MHD_SCKT_ERR_IS_ ((err), MHD_SCKT_ECONNABORTED_) )
821#if MHD_SCKT_MISSING_ERR_CODE_ != MHD_SCKT_ENOMEM_
822# define MHD_socket_set_error_to_ENOMEM() \
823 MHD_socket_set_error_ (MHD_SCKT_ENOMEM_)
824#elif MHD_SCKT_MISSING_ERR_CODE_ != MHD_SCKT_ENOBUFS_
825# define MHD_socket_set_error_to_ENOMEM() \
826 MHD_socket_set_error_ (MHD_SCKT_ENOBUFS_)
829 No suitable replacement for ENOMEM error codes is found. Edit this file and add replacement code which is defined on system.
830# define MHD_socket_set_error_to_ENOMEM() MHD_socket_set_error_ ( \
837# define MHD_SCKT_LOCAL AF_LOCAL
838#elif defined(AF_UNIX)
839# define MHD_SCKT_LOCAL AF_UNIX
842#if defined(MHD_POSIX_SOCKETS) && defined(MHD_SCKT_LOCAL)
843# define MHD_socket_pair_(fdarr) \
844 (! socketpair (MHD_SCKT_LOCAL, SOCK_STREAM, 0, (fdarr)))
845# if defined(HAVE_SOCK_NONBLOCK)
846# define MHD_socket_pair_nblk_(fdarr) \
847 (! socketpair (MHD_SCKT_LOCAL, SOCK_STREAM | SOCK_NONBLOCK, 0, (fdarr)))
849#elif defined(MHD_WINSOCK_SOCKETS)
857int MHD_W32_socket_pair_ (SOCKET sockets_pair[2],
int non_blk);
859# define MHD_socket_pair_(fdarr) MHD_W32_socket_pair_ ((fdarr), 0)
860# define MHD_socket_pair_nblk_(fdarr) MHD_W32_socket_pair_ ((fdarr), 1)
877 unsigned int fd_setsize);
914#if defined(SOL_SOCKET) && defined(SO_NOSIGPIPE)
915static const int _MHD_socket_int_one = 1;
922#define MHD_socket_nosignal_(sock) \
923 (! setsockopt ((sock),SOL_SOCKET,SO_NOSIGPIPE,&_MHD_socket_int_one, \
924 sizeof(_MHD_socket_int_one)))
928#if defined(MHD_socket_nosignal_) || defined(MSG_NOSIGNAL)
935#define MHD_SEND_SPIPE_SUPPRESS_POSSIBLE 1
938#if ! defined(MHD_WINSOCK_SOCKETS)
942#define MHD_SEND_SPIPE_SUPPRESS_NEEDED 1
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_set_nodelay_(MHD_socket sock, bool on)
Helper for obtaining FD_SETSIZE system default value.