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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)
67 # ifdef HAVE_SOCKLIB_H
70 # ifdef HAVE_INETLIB_H
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
85 # include <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>
103 # ifdef HAVE_STRING_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
122 typedef 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
171 #ifdef SOCK_NOSIGPIPE
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
210 #if defined(TCP_CORK)
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
560 const 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_ ( \
739 #if defined(AF_LOCAL)
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)
762 int 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)
854 static 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)
limits values definitions
int MHD_add_to_fd_set_(MHD_socket fd, fd_set *set, MHD_socket *max_fd, unsigned int fd_setsize)
additional automatic macros for MHD_config.h
int MHD_socket_nonblocking_(MHD_socket sock)
Helper for obtaining FD_SETSIZE system default value.
MHD_socket MHD_socket_create_listen_(int pf)
int MHD_socket_cork_(MHD_socket sock, bool on)
size_t MHD_SCKT_SEND_SIZE_
int MHD_socket_buffering_reset_(MHD_socket sock)
int MHD_socket_noninheritable_(MHD_socket sock)
int MHD_socket_set_nodelay_(MHD_socket sock, bool on)