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) 62 # ifdef HAVE_SOCKLIB_H 65 # ifdef HAVE_INETLIB_H 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 80 # include <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 117 typedef 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();} while(0) 138 #ifndef MHD_SOCKET_DEFINED 142 # if defined(MHD_POSIX_SOCKETS) 144 # define MHD_INVALID_SOCKET (-1) 145 # elif defined(MHD_WINSOCK_SOCKETS) 147 # define MHD_INVALID_SOCKET (INVALID_SOCKET) 150 # define MHD_SOCKET_DEFINED 1 154 # define MAYBE_SOCK_CLOEXEC SOCK_CLOEXEC 156 # define MAYBE_SOCK_CLOEXEC 0 159 #ifdef HAVE_SOCK_NONBLOCK 160 # define MAYBE_SOCK_NONBLOCK SOCK_NONBLOCK 162 # define MAYBE_SOCK_NONBLOCK 0 166 # define MAYBE_MSG_NOSIGNAL MSG_NOSIGNAL 168 # define MAYBE_MSG_NOSIGNAL 0 171 #if !defined(SHUT_WR) && defined(SD_SEND) 172 # define SHUT_WR SD_SEND 174 #if !defined(SHUT_RD) && defined(SD_RECEIVE) 175 # define SHUT_RD SD_RECEIVE 177 #if !defined(SHUT_RDWR) && defined(SD_BOTH) 178 # define SHUT_RDWR SD_BOTH 181 #if HAVE_ACCEPT4+0 != 0 && (defined(HAVE_SOCK_NONBLOCK) || defined(SOCK_CLOEXEC)) 182 # define USE_ACCEPT4 1 185 #if defined(HAVE_EPOLL_CREATE1) && defined(EPOLL_CLOEXEC) 186 # define USE_EPOLL_CREATE1 1 193 #define MHD_TCP_FASTOPEN_QUEUE_SIZE_DEFAULT 10 200 #ifdef MHD_POSIX_SOCKETS 210 #if !defined(MHD_WINSOCK_SOCKETS) 219 #if !defined(MHD_WINSOCK_SOCKETS) 220 # define MHD_SCKT_SEND_MAX_SIZE_ SSIZE_MAX 222 # define MHD_SCKT_SEND_MAX_SIZE_ INT_MAX 235 #if !defined(MHD_WINSOCK_SOCKETS) 236 # define MHD_socket_close_(fd) ((0 == close((fd))) || (EBADF != errno)) 238 # define MHD_socket_close_(fd) (0 == closesocket((fd))) 246 #define MHD_socket_close_chk_(fd) do { \ 247 if (!MHD_socket_close_(fd)) \ 248 MHD_PANIC(_("Close socket failed.\n")); \ 259 #define MHD_send_(s,b,l) \ 260 ((ssize_t)send((s),(const void*)(b),((MHD_SCKT_SEND_SIZE_)l), MAYBE_MSG_NOSIGNAL)) 270 #define MHD_recv_(s,b,l) \ 271 ((ssize_t)recv((s),(void*)(b),((MHD_SCKT_SEND_SIZE_)l), 0)) 283 #if defined(MHD_POSIX_SOCKETS) 284 # define MHD_SCKT_FD_FITS_FDSET_SETSIZE_(fd,pset,setsize) ((fd) < (setsize)) 285 #elif defined(MHD_WINSOCK_SOCKETS) 286 # define MHD_SCKT_FD_FITS_FDSET_SETSIZE_(fd,pset,setsize) ( ((void*)(pset)==(void*)0) || \ 287 (((fd_set*)(pset))->fd_count < (setsize)) || \ 288 (FD_ISSET((fd),(pset))) ) 299 #define MHD_SCKT_FD_FITS_FDSET_(fd,pset) MHD_SCKT_FD_FITS_FDSET_SETSIZE_((fd),(pset),FD_SETSIZE) 309 #if defined(MHD_POSIX_SOCKETS) 310 # define MHD_SCKT_ADD_FD_TO_FDSET_SETSIZE_(fd,pset,setsize) FD_SET((fd),(pset)) 311 #elif defined(MHD_WINSOCK_SOCKETS) 312 # define MHD_SCKT_ADD_FD_TO_FDSET_SETSIZE_(fd,pset,setsize) \ 315 fd_set* const _s_ = (fd_set*)(pset); \ 316 while((_i_ < _s_->fd_count) && ((fd) != _s_->fd_array[_i_])) {++_i_;} \ 317 if ((_i_ == _s_->fd_count)) {_s_->fd_array[_s_->fd_count++] = (fd);} \ 322 #if !defined(MHD_WINSOCK_SOCKETS) 323 # define MHD_SYS_select_(n,r,w,e,t) select((n),(r),(w),(e),(t)) 325 # define MHD_SYS_select_(n,r,w,e,t) \ 326 ( ( (((void*)(r) == (void*)0) || ((fd_set*)(r))->fd_count == 0) && \ 327 (((void*)(w) == (void*)0) || ((fd_set*)(w))->fd_count == 0) && \ 328 (((void*)(e) == (void*)0) || ((fd_set*)(e))->fd_count == 0) ) ? \ 329 ( ((void*)(t) == (void*)0) ? 0 : \ 330 (Sleep(((struct timeval*)(t))->tv_sec * 1000 + \ 331 ((struct timeval*)(t))->tv_usec / 1000), 0) ) : \ 332 (select((int)0,(r),(w),(e),(t))) ) 335 #if defined(HAVE_POLL) 337 # if !defined(MHD_WINSOCK_SOCKETS) 338 # define MHD_sys_poll_ poll 340 # define MHD_sys_poll_ WSAPoll 344 #define MHD_SCKT_MISSING_ERR_CODE_ 31450 346 #if defined(MHD_POSIX_SOCKETS) 348 # define MHD_SCKT_EAGAIN_ EAGAIN 349 # elif defined(EWOULDBLOCK) 350 # define MHD_SCKT_EAGAIN_ EWOULDBLOCK 352 # define MHD_SCKT_EAGAIN_ MHD_SCKT_MISSING_ERR_CODE_ 354 # if defined(EWOULDBLOCK) 355 # define MHD_SCKT_EWOULDBLOCK_ EWOULDBLOCK 356 # elif defined(EAGAIN) 357 # define MHD_SCKT_EWOULDBLOCK_ EAGAIN 359 # define MHD_SCKT_EWOULDBLOCK_ MHD_SCKT_MISSING_ERR_CODE_ 362 # define MHD_SCKT_EINTR_ EINTR 364 # define MHD_SCKT_EINTR_ MHD_SCKT_MISSING_ERR_CODE_ 367 # define MHD_SCKT_ECONNRESET_ ECONNRESET 369 # define MHD_SCKT_ECONNRESET_ MHD_SCKT_MISSING_ERR_CODE_ 372 # define MHD_SCKT_ECONNABORTED_ ECONNABORTED 374 # define MHD_SCKT_ECONNABORTED_ MHD_SCKT_MISSING_ERR_CODE_ 377 # define MHD_SCKT_ENOTCONN_ ENOTCONN 379 # define MHD_SCKT_ENOTCONN_ MHD_SCKT_MISSING_ERR_CODE_ 382 # define MHD_SCKT_EMFILE_ EMFILE 384 # define MHD_SCKT_EMFILE_ MHD_SCKT_MISSING_ERR_CODE_ 387 # define MHD_SCKT_ENFILE_ ENFILE 389 # define MHD_SCKT_ENFILE_ MHD_SCKT_MISSING_ERR_CODE_ 392 # define MHD_SCKT_ENOMEM_ ENOMEM 394 # define MHD_SCKT_ENOMEM_ MHD_SCKT_MISSING_ERR_CODE_ 397 # define MHD_SCKT_ENOBUFS_ ENOBUFS 399 # define MHD_SCKT_ENOBUFS_ MHD_SCKT_MISSING_ERR_CODE_ 402 # define MHD_SCKT_EBADF_ EBADF 404 # define MHD_SCKT_EBADF_ MHD_SCKT_MISSING_ERR_CODE_ 407 # define MHD_SCKT_ENOTSOCK_ ENOTSOCK 409 # define MHD_SCKT_ENOTSOCK_ MHD_SCKT_MISSING_ERR_CODE_ 412 # define MHD_SCKT_EINVAL_ EINVAL 414 # define MHD_SCKT_EINVAL_ MHD_SCKT_MISSING_ERR_CODE_ 417 # define MHD_SCKT_EFAUL_ EFAULT 419 # define MHD_SCKT_EFAUL_ MHD_SCKT_MISSING_ERR_CODE_ 422 # define MHD_SCKT_ENOSYS_ ENOSYS 424 # define MHD_SCKT_ENOSYS_ MHD_SCKT_MISSING_ERR_CODE_ 427 # define MHD_SCKT_ENOTSUP_ ENOTSUP 429 # define MHD_SCKT_ENOTSUP_ MHD_SCKT_MISSING_ERR_CODE_ 432 # define MHD_SCKT_EOPNOTSUPP_ EOPNOTSUPP 434 # define MHD_SCKT_EOPNOTSUPP_ MHD_SCKT_MISSING_ERR_CODE_ 437 # define MHD_SCKT_EACCESS_ EACCES 439 # define MHD_SCKT_EACCESS_ MHD_SCKT_MISSING_ERR_CODE_ 442 # define MHD_SCKT_ENETDOWN_ ENETDOWN 444 # define MHD_SCKT_ENETDOWN_ MHD_SCKT_MISSING_ERR_CODE_ 446 #elif defined(MHD_WINSOCK_SOCKETS) 447 # define MHD_SCKT_EAGAIN_ WSAEWOULDBLOCK 448 # define MHD_SCKT_EWOULDBLOCK_ WSAEWOULDBLOCK 449 # define MHD_SCKT_EINTR_ WSAEINTR 450 # define MHD_SCKT_ECONNRESET_ WSAECONNRESET 451 # define MHD_SCKT_ECONNABORTED_ WSAECONNABORTED 452 # define MHD_SCKT_ENOTCONN_ WSAENOTCONN 453 # define MHD_SCKT_EMFILE_ WSAEMFILE 454 # define MHD_SCKT_ENFILE_ MHD_SCKT_MISSING_ERR_CODE_ 455 # define MHD_SCKT_ENOMEM_ MHD_SCKT_MISSING_ERR_CODE_ 456 # define MHD_SCKT_ENOBUFS_ WSAENOBUFS 457 # define MHD_SCKT_EBADF_ WSAEBADF 458 # define MHD_SCKT_ENOTSOCK_ WSAENOTSOCK 459 # define MHD_SCKT_EINVAL_ WSAEINVAL 460 # define MHD_SCKT_EFAUL_ WSAEFAULT 461 # define MHD_SCKT_ENOSYS_ MHD_SCKT_MISSING_ERR_CODE_ 462 # define MHD_SCKT_ENOTSUP_ MHD_SCKT_MISSING_ERR_CODE_ 463 # define MHD_SCKT_EOPNOTSUPP_ WSAEOPNOTSUPP 464 # define MHD_SCKT_EACCESS_ WSAEACCES 465 # define MHD_SCKT_ENETDOWN_ WSAENETDOWN 472 #if defined(MHD_POSIX_SOCKETS) 473 # define MHD_socket_get_error_() (errno) 474 #elif defined(MHD_WINSOCK_SOCKETS) 475 # define MHD_socket_get_error_() WSAGetLastError() 478 #ifdef MHD_WINSOCK_SOCKETS 486 const char* MHD_W32_strerror_winsock_(
int err);
490 #if defined(MHD_POSIX_SOCKETS) 491 # define MHD_socket_strerr_(err) strerror((err)) 492 #elif defined(MHD_WINSOCK_SOCKETS) 493 # define MHD_socket_strerr_(err) MHD_W32_strerror_winsock_((err)) 498 #define MHD_socket_last_strerr_() MHD_socket_strerr_(MHD_socket_get_error_()) 503 #if defined(MHD_POSIX_SOCKETS) 504 # define MHD_socket_fset_error_(err) (errno = (err)) 505 #elif defined(MHD_WINSOCK_SOCKETS) 506 # define MHD_socket_fset_error_(err) (WSASetLastError((err))) 517 #define MHD_socket_try_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ != (err)) ? \ 518 (MHD_socket_fset_error_((err)), !0) : 0 ) 525 #if defined(MHD_POSIX_SOCKETS) 527 # define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \ 528 (errno = ENOSYS) : (errno = (err)) ) 529 # elif defined(EOPNOTSUPP) 530 # define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \ 531 (errno = EOPNOTSUPP) : (errno = (err)) ) 532 # elif defined (EFAULT) 533 # define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \ 534 (errno = EFAULT) : (errno = (err)) ) 535 # elif defined (EINVAL) 536 # define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \ 537 (errno = EINVAL) : (errno = (err)) ) 539 # warning No suitable replacement for missing socket error code is found. Edit this file and add replacement code which is defined on system. 540 # define MHD_socket_set_error_(err) (errno = (err)) 542 #elif defined(MHD_WINSOCK_SOCKETS) 543 # define MHD_socket_set_error_(err) ( (MHD_SCKT_MISSING_ERR_CODE_ == (err)) ? \ 544 (WSASetLastError((WSAEOPNOTSUPP))) : \ 545 (WSASetLastError((err))) ) 557 #define MHD_SCKT_ERR_IS_(err,code) ( (MHD_SCKT_MISSING_ERR_CODE_ != (code)) && \ 569 #define MHD_SCKT_LAST_ERR_IS_(code) MHD_SCKT_ERR_IS_(MHD_socket_get_error_() ,(code)) 579 #define MHD_SCKT_ERR_IS_EINTR_(err) MHD_SCKT_ERR_IS_((err),MHD_SCKT_EINTR_) 587 #if MHD_SCKT_EAGAIN_ == MHD_SCKT_EWOULDBLOCK_ 588 # define MHD_SCKT_ERR_IS_EAGAIN_(err) MHD_SCKT_ERR_IS_((err),MHD_SCKT_EAGAIN_) 590 # define MHD_SCKT_ERR_IS_EAGAIN_(err) ( MHD_SCKT_ERR_IS_((err),MHD_SCKT_EAGAIN_) || \ 591 MHD_SCKT_ERR_IS_((err),MHD_SCKT_EWOULDBLOCK_) ) 599 #define MHD_SCKT_ERR_IS_LOW_RESOURCES_(err) ( MHD_SCKT_ERR_IS_((err),MHD_SCKT_EMFILE_) || \ 600 MHD_SCKT_ERR_IS_((err),MHD_SCKT_ENFILE_) || \ 601 MHD_SCKT_ERR_IS_((err),MHD_SCKT_ENOMEM_) || \ 602 MHD_SCKT_ERR_IS_((err),MHD_SCKT_ENOBUFS_) ) 610 #if defined(MHD_POSIX_SOCKETS) 611 # define MHD_SCKT_ERR_IS_DISCNN_BEFORE_ACCEPT_(err) MHD_SCKT_ERR_IS_((err),MHD_SCKT_ECONNABORTED_) 612 #elif defined(MHD_WINSOCK_SOCKETS) 613 # define MHD_SCKT_ERR_IS_DISCNN_BEFORE_ACCEPT_(err) MHD_SCKT_ERR_IS_((err),MHD_SCKT_ECONNRESET_) 622 #define MHD_SCKT_ERR_IS_REMOTE_DISCNN_(err) ( MHD_SCKT_ERR_IS_((err),MHD_SCKT_ECONNRESET_) || \ 623 MHD_SCKT_ERR_IS_((err),MHD_SCKT_ECONNABORTED_)) 631 #if MHD_SCKT_MISSING_ERR_CODE_ != MHD_SCKT_ENOMEM_ 632 # define MHD_socket_set_error_to_ENOMEM() MHD_socket_set_error_(MHD_SCKT_ENOMEM_) 633 #elif MHD_SCKT_MISSING_ERR_CODE_ != MHD_SCKT_ENOBUFS_ 634 # define MHD_socket_set_error_to_ENOMEM() MHD_socket_set_error_(MHD_SCKT_ENOBUFS_) 636 # warning No suitable replacement for ENOMEM error codes is found. Edit this file and add replacement code which is defined on system. 637 # define MHD_socket_set_error_to_ENOMEM() MHD_socket_set_error_(MHD_SCKT_ENOMEM_) 642 #if defined(MHD_POSIX_SOCKETS) && defined(AF_LOCAL) 643 # define MHD_socket_pair_(fdarr) (!socketpair(AF_LOCAL, SOCK_STREAM, 0, (fdarr))) 644 # if defined(HAVE_SOCK_NONBLOCK) 645 # define MHD_socket_pair_nblk_(fdarr) (!socketpair(AF_LOCAL, SOCK_STREAM | SOCK_NONBLOCK, 0, (fdarr))) 647 #elif defined(MHD_POSIX_SOCKETS) && defined(AF_UNIX) 648 # define MHD_socket_pair_(fdarr) (!socketpair(AF_UNIX, SOCK_STREAM, 0, (fdarr))) 649 # if defined(HAVE_SOCK_NONBLOCK) 650 # define MHD_socket_pair_nblk_(fdarr) (!socketpair(AF_UNIX, SOCK_STREAM | SOCK_NONBLOCK, 0, (fdarr))) 652 #elif defined(MHD_WINSOCK_SOCKETS) 660 int MHD_W32_socket_pair_(SOCKET sockets_pair[2],
int non_blk);
662 # define MHD_socket_pair_(fdarr) MHD_W32_socket_pair_((fdarr), 0) 663 # define MHD_socket_pair_nblk_(fdarr) MHD_W32_socket_pair_((fdarr), 1) 680 unsigned int fd_setsize);
additional automatic macros for MHD_config.h
MHD_socket MHD_socket_create_listen_(int use_ipv6)
int MHD_socket_noninheritable_(MHD_socket sock)
Helper for obtaining FD_SETSIZE system default value.
size_t MHD_SCKT_SEND_SIZE_
limits values definitions
int MHD_add_to_fd_set_(MHD_socket fd, fd_set *set, MHD_socket *max_fd, unsigned int fd_setsize)
int MHD_socket_nonblocking_(MHD_socket sock)