34#define MHD_SOCKETS_H 1
39#if ! defined(MHD_POSIX_SOCKETS) && ! defined(MHD_WINSOCK_SOCKETS)
40# if ! defined(_WIN32) || defined(__CYGWIN__)
41# define MHD_POSIX_SOCKETS 1
43# define MHD_WINSOCK_SOCKETS 1
54#if defined(MHD_POSIX_SOCKETS)
55# ifdef HAVE_SYS_TYPES_H
56# include <sys/types.h>
58# ifdef HAVE_SYS_SOCKET_H
59# include <sys/socket.h>
61# if defined(__VXWORKS__) || defined(__vxworks) || defined(OS_VXWORKS)
70# ifdef HAVE_NETINET_IN_H
71# include <netinet/in.h>
73# ifdef HAVE_ARPA_INET_H
74# include <arpa/inet.h>
79# ifdef HAVE_SYS_TIME_H
88# ifdef HAVE_SYS_SELECT_H
89# include <sys/select.h>
92# include <sys/epoll.h>
94# ifdef HAVE_NETINET_TCP_H
96# include <netinet/tcp.h>
101#elif defined(MHD_WINSOCK_SOCKETS)
102# ifndef WIN32_LEAN_AND_MEAN
103# define WIN32_LEAN_AND_MEAN 1
105# include <winsock2.h>
106# include <ws2tcpip.h>
109#if defined(HAVE_POLL_H) && defined(HAVE_POLL)
114#if defined(_MSC_FULL_VER) && ! defined (_SSIZE_T_DEFINED)
116# define _SSIZE_T_DEFINED
117typedef intptr_t ssize_t;
122#ifdef _MHD_FD_SETSIZE_IS_DEFAULT
123# define _MHD_SYS_DEFAULT_FD_SETSIZE FD_SETSIZE
126# define _MHD_SYS_DEFAULT_FD_SETSIZE get_system_fdsetsize_value ()
133# define MHD_PANIC(msg) do { fprintf (stderr, \
134 "Abnormal termination at %d line in file %s: %s\n", \
135 (int) __LINE__, __FILE__, msg); abort (); \
139#ifndef MHD_SOCKET_DEFINED
143# if defined(MHD_POSIX_SOCKETS)
145# define MHD_INVALID_SOCKET (-1)
146# elif defined(MHD_WINSOCK_SOCKETS)
148# define MHD_INVALID_SOCKET (INVALID_SOCKET)
151# define MHD_SOCKET_DEFINED 1
155# define MAYBE_SOCK_CLOEXEC SOCK_CLOEXEC
157# define MAYBE_SOCK_CLOEXEC 0
160#ifdef HAVE_SOCK_NONBLOCK
161# define MAYBE_SOCK_NONBLOCK SOCK_NONBLOCK
163# define MAYBE_SOCK_NONBLOCK 0
167# define MAYBE_MSG_NOSIGNAL MSG_NOSIGNAL
169# define MAYBE_MSG_NOSIGNAL 0
172#if ! defined(SHUT_WR) && defined(SD_SEND)
173# define SHUT_WR SD_SEND
175#if ! defined(SHUT_RD) && defined(SD_RECEIVE)
176# define SHUT_RD SD_RECEIVE
178#if ! defined(SHUT_RDWR) && defined(SD_BOTH)
179# define SHUT_RDWR SD_BOTH
182#if HAVE_ACCEPT4 + 0 != 0 && (defined(HAVE_SOCK_NONBLOCK) || \
183 defined(SOCK_CLOEXEC))
184# define USE_ACCEPT4 1
187#if defined(HAVE_EPOLL_CREATE1) && defined(EPOLL_CLOEXEC)
188# define USE_EPOLL_CREATE1 1
195#define MHD_TCP_FASTOPEN_QUEUE_SIZE_DEFAULT 10
202#ifdef MHD_POSIX_SOCKETS
212#if ! defined(MHD_WINSOCK_SOCKETS)
221#if ! defined(MHD_WINSOCK_SOCKETS)
222# define MHD_SCKT_SEND_MAX_SIZE_ SSIZE_MAX
224# define MHD_SCKT_SEND_MAX_SIZE_ INT_MAX
237#if ! defined(MHD_WINSOCK_SOCKETS)
238# define MHD_socket_close_(fd) ((0 == close ((fd))) || (EBADF != errno))
240# define MHD_socket_close_(fd) (0 == closesocket ((fd)))
248#define MHD_socket_close_chk_(fd) do { \
249 if (! MHD_socket_close_ (fd)) \
250 MHD_PANIC (_ ("Close socket failed.\n")); \
261#define MHD_send_(s,b,l) \
262 ((ssize_t) send ((s),(const void*) (b),((MHD_SCKT_SEND_SIZE_) l), \
273#define MHD_recv_(s,b,l) \
274 ((ssize_t) recv ((s),(void*) (b),((MHD_SCKT_SEND_SIZE_) l), 0))
286#if defined(MHD_POSIX_SOCKETS)
287# define MHD_SCKT_FD_FITS_FDSET_SETSIZE_(fd,pset,setsize) ((fd) < \
290#elif defined(MHD_WINSOCK_SOCKETS)
291# define MHD_SCKT_FD_FITS_FDSET_SETSIZE_(fd,pset,setsize) ( ((void*) (pset)== \
293 (((fd_set*) (pset)) \
309#define MHD_SCKT_FD_FITS_FDSET_(fd,pset) MHD_SCKT_FD_FITS_FDSET_SETSIZE_ ((fd), \
321#if defined(MHD_POSIX_SOCKETS)
322# define MHD_SCKT_ADD_FD_TO_FDSET_SETSIZE_(fd,pset,setsize) FD_SET ((fd), \
324#elif defined(MHD_WINSOCK_SOCKETS)
325# define MHD_SCKT_ADD_FD_TO_FDSET_SETSIZE_(fd,pset,setsize) \
328 fd_set*const _s_ = (fd_set*) (pset); \
329 while ((_i_ < _s_->fd_count) && ((fd) != _s_->fd_array [_i_])) {++_i_;} \
330 if ((_i_ == _s_->fd_count)) {_s_->fd_array [_s_->fd_count ++] = (fd);} \
335#if ! defined(MHD_WINSOCK_SOCKETS)
336# define MHD_SYS_select_(n,r,w,e,t) select ((n),(r),(w),(e),(t))
338# define MHD_SYS_select_(n,r,w,e,t) \
339 ( ( (((void*) (r) == (void*) 0) || ((fd_set*) (r))->fd_count == 0) && \
340 (((void*) (w) == (void*) 0) || ((fd_set*) (w))->fd_count == 0) && \
341 (((void*) (e) == (void*) 0) || ((fd_set*) (e))->fd_count == 0) ) ? \
342 ( ((void*) (t) == (void*) 0) ? 0 : \
343 (Sleep (((struct timeval*) (t))->tv_sec * 1000 \
344 + ((struct timeval*) (t))->tv_usec / 1000), 0) ) : \
345 (select ((int) 0,(r),(w),(e),(t))) )
348#if defined(HAVE_POLL)
350# if ! defined(MHD_WINSOCK_SOCKETS)
351# define MHD_sys_poll_ poll
353# define MHD_sys_poll_ WSAPoll
357# define MHD_POLLPRI_OR_ZERO POLLPRI
359# define MHD_POLLPRI_OR_ZERO 0
362# define MHD_POLLRDBAND_OR_ZERO POLLRDBAND
364# define MHD_POLLRDBAND_OR_ZERO 0
367# define MHD_POLLNVAL_OR_ZERO POLLNVAL
369# define MHD_POLLNVAL_OR_ZERO 0
374# if defined(_WIN32) && ! defined(__CYGWIN__)
375# define MHD_POLL_EVENTS_ERR_DISC POLLRDBAND
376# elif defined(__linux__)
377# define MHD_POLL_EVENTS_ERR_DISC POLLPRI
379# define MHD_POLL_EVENTS_ERR_DISC (MHD_POLLPRI_OR_ZERO \
380 | MHD_POLLRDBAND_OR_ZERO)
384# define MHD_POLL_REVENTS_ERR_DISC \
385 (MHD_POLLPRI_OR_ZERO | MHD_POLLRDBAND_OR_ZERO | MHD_POLLNVAL_OR_ZERO \
389# define MHD_POLL_REVENTS_ERRROR \
390 (MHD_POLLPRI_OR_ZERO | MHD_POLLRDBAND_OR_ZERO | MHD_POLLNVAL_OR_ZERO \
394#define MHD_SCKT_MISSING_ERR_CODE_ 31450
396#if defined(MHD_POSIX_SOCKETS)
398# define MHD_SCKT_EAGAIN_ EAGAIN
399# elif defined(EWOULDBLOCK)
400# define MHD_SCKT_EAGAIN_ EWOULDBLOCK
402# define MHD_SCKT_EAGAIN_ MHD_SCKT_MISSING_ERR_CODE_
404# if defined(EWOULDBLOCK)
405# define MHD_SCKT_EWOULDBLOCK_ EWOULDBLOCK
406# elif defined(EAGAIN)
407# define MHD_SCKT_EWOULDBLOCK_ EAGAIN
409# define MHD_SCKT_EWOULDBLOCK_ MHD_SCKT_MISSING_ERR_CODE_
412# define MHD_SCKT_EINTR_ EINTR
414# define MHD_SCKT_EINTR_ MHD_SCKT_MISSING_ERR_CODE_
417# define MHD_SCKT_ECONNRESET_ ECONNRESET
419# define MHD_SCKT_ECONNRESET_ MHD_SCKT_MISSING_ERR_CODE_
422# define MHD_SCKT_ECONNABORTED_ ECONNABORTED
424# define MHD_SCKT_ECONNABORTED_ MHD_SCKT_MISSING_ERR_CODE_
427# define MHD_SCKT_ENOTCONN_ ENOTCONN
429# define MHD_SCKT_ENOTCONN_ MHD_SCKT_MISSING_ERR_CODE_
432# define MHD_SCKT_EMFILE_ EMFILE
434# define MHD_SCKT_EMFILE_ MHD_SCKT_MISSING_ERR_CODE_
437# define MHD_SCKT_ENFILE_ ENFILE
439# define MHD_SCKT_ENFILE_ MHD_SCKT_MISSING_ERR_CODE_
442# define MHD_SCKT_ENOMEM_ ENOMEM
444# define MHD_SCKT_ENOMEM_ MHD_SCKT_MISSING_ERR_CODE_
447# define MHD_SCKT_ENOBUFS_ ENOBUFS
449# define MHD_SCKT_ENOBUFS_ MHD_SCKT_MISSING_ERR_CODE_
452# define MHD_SCKT_EBADF_ EBADF
454# define MHD_SCKT_EBADF_ MHD_SCKT_MISSING_ERR_CODE_
457# define MHD_SCKT_ENOTSOCK_ ENOTSOCK
459# define MHD_SCKT_ENOTSOCK_ MHD_SCKT_MISSING_ERR_CODE_
462# define MHD_SCKT_EINVAL_ EINVAL
464# define MHD_SCKT_EINVAL_ MHD_SCKT_MISSING_ERR_CODE_
467# define MHD_SCKT_EFAUL_ EFAULT
469# define MHD_SCKT_EFAUL_ MHD_SCKT_MISSING_ERR_CODE_
472# define MHD_SCKT_ENOSYS_ ENOSYS
474# define MHD_SCKT_ENOSYS_ MHD_SCKT_MISSING_ERR_CODE_
477# define MHD_SCKT_ENOTSUP_ ENOTSUP
479# define MHD_SCKT_ENOTSUP_ MHD_SCKT_MISSING_ERR_CODE_
482# define MHD_SCKT_EOPNOTSUPP_ EOPNOTSUPP
484# define MHD_SCKT_EOPNOTSUPP_ MHD_SCKT_MISSING_ERR_CODE_
487# define MHD_SCKT_EACCESS_ EACCES
489# define MHD_SCKT_EACCESS_ MHD_SCKT_MISSING_ERR_CODE_
492# define MHD_SCKT_ENETDOWN_ ENETDOWN
494# define MHD_SCKT_ENETDOWN_ MHD_SCKT_MISSING_ERR_CODE_
496#elif defined(MHD_WINSOCK_SOCKETS)
497# define MHD_SCKT_EAGAIN_ WSAEWOULDBLOCK
498# define MHD_SCKT_EWOULDBLOCK_ WSAEWOULDBLOCK
499# define MHD_SCKT_EINTR_ WSAEINTR
500# define MHD_SCKT_ECONNRESET_ WSAECONNRESET
501# define MHD_SCKT_ECONNABORTED_ WSAECONNABORTED
502# define MHD_SCKT_ENOTCONN_ WSAENOTCONN
503# define MHD_SCKT_EMFILE_ WSAEMFILE
504# define MHD_SCKT_ENFILE_ MHD_SCKT_MISSING_ERR_CODE_
505# define MHD_SCKT_ENOMEM_ MHD_SCKT_MISSING_ERR_CODE_
506# define MHD_SCKT_ENOBUFS_ WSAENOBUFS
507# define MHD_SCKT_EBADF_ WSAEBADF
508# define MHD_SCKT_ENOTSOCK_ WSAENOTSOCK
509# define MHD_SCKT_EINVAL_ WSAEINVAL
510# define MHD_SCKT_EFAUL_ WSAEFAULT
511# define MHD_SCKT_ENOSYS_ MHD_SCKT_MISSING_ERR_CODE_
512# define MHD_SCKT_ENOTSUP_ MHD_SCKT_MISSING_ERR_CODE_
513# define MHD_SCKT_EOPNOTSUPP_ WSAEOPNOTSUPP
514# define MHD_SCKT_EACCESS_ WSAEACCES
515# define MHD_SCKT_ENETDOWN_ WSAENETDOWN
522#if defined(MHD_POSIX_SOCKETS)
523# define MHD_socket_get_error_() (errno)
524#elif defined(MHD_WINSOCK_SOCKETS)
525# define MHD_socket_get_error_() WSAGetLastError ()
528#ifdef MHD_WINSOCK_SOCKETS
536const char *MHD_W32_strerror_winsock_ (
int err);
541#if defined(MHD_POSIX_SOCKETS)
542# define MHD_socket_strerr_(err) strerror ((err))
543#elif defined(MHD_WINSOCK_SOCKETS)
544# define MHD_socket_strerr_(err) MHD_W32_strerror_winsock_ ((err))
549#define MHD_socket_last_strerr_() MHD_socket_strerr_ (MHD_socket_get_error_ ())
554#if defined(MHD_POSIX_SOCKETS)
555# define MHD_socket_fset_error_(err) (errno = (err))
556#elif defined(MHD_WINSOCK_SOCKETS)
557# define MHD_socket_fset_error_(err) (WSASetLastError ((err)))
568#define MHD_socket_try_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ != (err)) ? \
569 (MHD_socket_fset_error_ ((err)), ! 0) : \
577#if defined(MHD_POSIX_SOCKETS)
579# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
580 (errno = ENOSYS) : (errno = (err)) )
581# elif defined(EOPNOTSUPP)
582# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
583 (errno = EOPNOTSUPP) : (errno = \
585# elif defined (EFAULT)
586# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
587 (errno = EFAULT) : (errno = (err)) )
588# elif defined (EINVAL)
589# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
590 (errno = EINVAL) : (errno = (err)) )
593 No suitable replacement for missing socket error code is found. Edit this file and add replacement code which is defined on system.
594# define MHD_socket_set_error_(err) (errno = (err))
596#elif defined(MHD_WINSOCK_SOCKETS)
597# define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \
598 (WSASetLastError ((WSAEOPNOTSUPP))) : \
599 (WSASetLastError ((err))) )
611#define MHD_SCKT_ERR_IS_(err,code) ( (MHD_SCKT_MISSING_ERR_CODE_ != (code)) && \
623#define MHD_SCKT_LAST_ERR_IS_(code) MHD_SCKT_ERR_IS_ (MHD_socket_get_error_ (), \
634#define MHD_SCKT_ERR_IS_EINTR_(err) MHD_SCKT_ERR_IS_ ((err),MHD_SCKT_EINTR_)
642#if MHD_SCKT_EAGAIN_ == MHD_SCKT_EWOULDBLOCK_
643# define MHD_SCKT_ERR_IS_EAGAIN_(err) MHD_SCKT_ERR_IS_ ((err),MHD_SCKT_EAGAIN_)
645# define MHD_SCKT_ERR_IS_EAGAIN_(err) (MHD_SCKT_ERR_IS_ ((err), \
646 MHD_SCKT_EAGAIN_) || \
647 MHD_SCKT_ERR_IS_ ((err), \
648 MHD_SCKT_EWOULDBLOCK_) )
656#define MHD_SCKT_ERR_IS_LOW_RESOURCES_(err) (MHD_SCKT_ERR_IS_ ((err), \
659 MHD_SCKT_ERR_IS_ ((err), \
662 MHD_SCKT_ERR_IS_ ((err), \
665 MHD_SCKT_ERR_IS_ ((err), \
674#if defined(MHD_POSIX_SOCKETS)
675# define MHD_SCKT_ERR_IS_DISCNN_BEFORE_ACCEPT_(err) MHD_SCKT_ERR_IS_ ((err), \
676 MHD_SCKT_ECONNABORTED_)
677#elif defined(MHD_WINSOCK_SOCKETS)
678# define MHD_SCKT_ERR_IS_DISCNN_BEFORE_ACCEPT_(err) MHD_SCKT_ERR_IS_ ((err), \
679 MHD_SCKT_ECONNRESET_)
688#define MHD_SCKT_ERR_IS_REMOTE_DISCNN_(err) (MHD_SCKT_ERR_IS_ ((err), \
689 MHD_SCKT_ECONNRESET_) \
691 MHD_SCKT_ERR_IS_ ((err), \
692 MHD_SCKT_ECONNABORTED_))
700#if MHD_SCKT_MISSING_ERR_CODE_ != MHD_SCKT_ENOMEM_
701# define MHD_socket_set_error_to_ENOMEM() MHD_socket_set_error_ ( \
703#elif MHD_SCKT_MISSING_ERR_CODE_ != MHD_SCKT_ENOBUFS_
704# define MHD_socket_set_error_to_ENOMEM() MHD_socket_set_error_ ( \
708 No suitable replacement for ENOMEM error codes is found. Edit this file and add replacement code which is defined on system.
709# define MHD_socket_set_error_to_ENOMEM() MHD_socket_set_error_ ( \
716# define MHD_SCKT_LOCAL AF_LOCAL
717#elif defined(AF_UNIX)
718# define MHD_SCKT_LOCAL AF_UNIX
721#if defined(MHD_POSIX_SOCKETS) && defined(MHD_SCKT_LOCAL)
722# define MHD_socket_pair_(fdarr) (! socketpair (MHD_SCKT_LOCAL, SOCK_STREAM, 0, \
724# if defined(HAVE_SOCK_NONBLOCK)
725# define MHD_socket_pair_nblk_(fdarr) (! socketpair (MHD_SCKT_LOCAL, \
727 | SOCK_NONBLOCK, 0, \
730#elif defined(MHD_WINSOCK_SOCKETS)
738int MHD_W32_socket_pair_ (SOCKET sockets_pair[2],
int non_blk);
740# define MHD_socket_pair_(fdarr) MHD_W32_socket_pair_ ((fdarr), 0)
741# define MHD_socket_pair_nblk_(fdarr) MHD_W32_socket_pair_ ((fdarr), 1)
758 unsigned int fd_setsize);
782#if defined(SOL_SOCKET) && defined(SO_NOSIGPIPE)
783static const int _MHD_socket_int_one = 1;
790# define MHD_socket_nosignal_(sock) \
791 (! setsockopt ((sock),SOL_SOCKET,SO_NOSIGPIPE,&_MHD_socket_int_one, \
792 sizeof(_MHD_socket_int_one)))
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
Helper for obtaining FD_SETSIZE system default value.