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Diffstat (limited to 'main/php_network.h')
| -rw-r--r-- | main/php_network.h | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/main/php_network.h b/main/php_network.h new file mode 100644 index 0000000..8ffb51c --- /dev/null +++ b/main/php_network.h @@ -0,0 +1,321 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2013 The PHP Group | + +----------------------------------------------------------------------+ + | This source file is subject to version 3.01 of the PHP license, | + | that is bundled with this package in the file LICENSE, and is | + | available through the world-wide-web at the following url: | + | http://www.php.net/license/3_01.txt | + | If you did not receive a copy of the PHP license and are unable to | + | obtain it through the world-wide-web, please send a note to | + | license@php.net so we can mail you a copy immediately. | + +----------------------------------------------------------------------+ + | Author: Stig Venaas <venaas@uninett.no> | + +----------------------------------------------------------------------+ + */ + +/* $Id$ */ + +#ifndef _PHP_NETWORK_H +#define _PHP_NETWORK_H + +#ifdef PHP_WIN32 +# include "win32/inet.h" +#else +# undef closesocket +# define closesocket close +#endif + +#ifndef HAVE_SHUTDOWN +#undef shutdown +#define shutdown(s,n) /* nothing */ +#endif + +#ifdef PHP_WIN32 +# ifdef EWOULDBLOCK +# undef EWOULDBLOCK +# endif +# ifdef EINPROGRESS +# undef EINPROGRESS +# endif +# define EWOULDBLOCK WSAEWOULDBLOCK +# define EINPROGRESS WSAEWOULDBLOCK +# define fsync _commit +# define ftruncate(a, b) chsize(a, b) +#endif /* defined(PHP_WIN32) */ + +#ifndef EWOULDBLOCK +# define EWOULDBLOCK EAGAIN +#endif + +#ifdef PHP_WIN32 +#define php_socket_errno() WSAGetLastError() +#else +#define php_socket_errno() errno +#endif + +/* like strerror, but caller must efree the returned string, + * unless buf is not NULL. + * Also works sensibly for win32 */ +BEGIN_EXTERN_C() +PHPAPI char *php_socket_strerror(long err, char *buf, size_t bufsize); +END_EXTERN_C() + +#ifdef HAVE_NETINET_IN_H +# include <netinet/in.h> +#endif + +#ifdef HAVE_SYS_SOCKET_H +#include <sys/socket.h> +#endif + +/* These are here, rather than with the win32 counterparts above, + * since <sys/socket.h> defines them. */ +#ifndef SHUT_RD +# define SHUT_RD 0 +# define SHUT_WR 1 +# define SHUT_RDWR 2 +#endif + +#ifdef HAVE_SYS_TIME_H +#include <sys/time.h> +#endif + +#ifdef HAVE_STDDEF_H +#include <stddef.h> +#endif + +#ifdef PHP_WIN32 +typedef SOCKET php_socket_t; +#else +typedef int php_socket_t; +#endif + +#ifdef PHP_WIN32 +# define SOCK_ERR INVALID_SOCKET +# define SOCK_CONN_ERR SOCKET_ERROR +# define SOCK_RECV_ERR SOCKET_ERROR +#else +# define SOCK_ERR -1 +# define SOCK_CONN_ERR -1 +# define SOCK_RECV_ERR -1 +#endif + +/* uncomment this to debug poll(2) emulation on systems that have poll(2) */ +/* #define PHP_USE_POLL_2_EMULATION 1 */ + +#if defined(HAVE_SYS_POLL_H) && defined(HAVE_POLL) +# include <sys/poll.h> +typedef struct pollfd php_pollfd; +#else +typedef struct _php_pollfd { + php_socket_t fd; + short events; + short revents; +} php_pollfd; + +PHPAPI int php_poll2(php_pollfd *ufds, unsigned int nfds, int timeout); + +#ifndef POLLIN +# define POLLIN 0x0001 /* There is data to read */ +# define POLLPRI 0x0002 /* There is urgent data to read */ +# define POLLOUT 0x0004 /* Writing now will not block */ +# define POLLERR 0x0008 /* Error condition */ +# define POLLHUP 0x0010 /* Hung up */ +# define POLLNVAL 0x0020 /* Invalid request: fd not open */ +#endif + +# ifndef PHP_USE_POLL_2_EMULATION +# define PHP_USE_POLL_2_EMULATION 1 +# endif +#endif + +#define PHP_POLLREADABLE (POLLIN|POLLERR|POLLHUP) + +#ifndef PHP_USE_POLL_2_EMULATION +# define php_poll2(ufds, nfds, timeout) poll(ufds, nfds, timeout) +#endif + +/* timeval-to-timeout (for poll(2)) */ +static inline int php_tvtoto(struct timeval *timeouttv) +{ + if (timeouttv) { + return (timeouttv->tv_sec * 1000) + (timeouttv->tv_usec / 1000); + } + return -1; +} + +/* hybrid select(2)/poll(2) for a single descriptor. + * timeouttv follows same rules as select(2), but is reduced to millisecond accuracy. + * Returns 0 on timeout, -1 on error, or the event mask (ala poll(2)). + */ +static inline int php_pollfd_for(php_socket_t fd, int events, struct timeval *timeouttv) +{ + php_pollfd p; + int n; + + p.fd = fd; + p.events = events; + p.revents = 0; + + n = php_poll2(&p, 1, php_tvtoto(timeouttv)); + + if (n > 0) { + return p.revents; + } + + return n; +} + +static inline int php_pollfd_for_ms(php_socket_t fd, int events, int timeout) +{ + php_pollfd p; + int n; + + p.fd = fd; + p.events = events; + p.revents = 0; + + n = php_poll2(&p, 1, timeout); + + if (n > 0) { + return p.revents; + } + + return n; +} + +/* emit warning and suggestion for unsafe select(2) usage */ +PHPAPI void _php_emit_fd_setsize_warning(int max_fd); + +#ifdef PHP_WIN32 +/* it is safe to FD_SET too many fd's under win32; the macro will simply ignore + * descriptors that go beyond the default FD_SETSIZE */ +# define PHP_SAFE_FD_SET(fd, set) FD_SET(fd, set) +# define PHP_SAFE_FD_CLR(fd, set) FD_CLR(fd, set) +# define PHP_SAFE_FD_ISSET(fd, set) FD_ISSET(fd, set) +# define PHP_SAFE_MAX_FD(m, n) do { if (n + 1 >= FD_SETSIZE) { _php_emit_fd_setsize_warning(n); }} while(0) +#else +# define PHP_SAFE_FD_SET(fd, set) do { if (fd < FD_SETSIZE) FD_SET(fd, set); } while(0) +# define PHP_SAFE_FD_CLR(fd, set) do { if (fd < FD_SETSIZE) FD_CLR(fd, set); } while(0) +# define PHP_SAFE_FD_ISSET(fd, set) ((fd < FD_SETSIZE) && FD_ISSET(fd, set)) +# define PHP_SAFE_MAX_FD(m, n) do { if (m >= FD_SETSIZE) { _php_emit_fd_setsize_warning(m); m = FD_SETSIZE - 1; }} while(0) +#endif + + +#define PHP_SOCK_CHUNK_SIZE 8192 + +#ifdef HAVE_SOCKADDR_STORAGE +typedef struct sockaddr_storage php_sockaddr_storage; +#else +typedef struct { +#ifdef HAVE_SOCKADDR_SA_LEN + unsigned char ss_len; + unsigned char ss_family; +#else + unsigned short ss_family; +#endif + char info[126]; +} php_sockaddr_storage; +#endif + +BEGIN_EXTERN_C() +PHPAPI int php_network_getaddresses(const char *host, int socktype, struct sockaddr ***sal, char **error_string TSRMLS_DC); +PHPAPI void php_network_freeaddresses(struct sockaddr **sal); + +PHPAPI php_socket_t php_network_connect_socket_to_host(const char *host, unsigned short port, + int socktype, int asynchronous, struct timeval *timeout, char **error_string, + int *error_code, char *bindto, unsigned short bindport + TSRMLS_DC); + +PHPAPI int php_network_connect_socket(php_socket_t sockfd, + const struct sockaddr *addr, + socklen_t addrlen, + int asynchronous, + struct timeval *timeout, + char **error_string, + int *error_code); + +#define php_connect_nonb(sock, addr, addrlen, timeout) \ + php_network_connect_socket((sock), (addr), (addrlen), 0, (timeout), NULL, NULL) + +PHPAPI php_socket_t php_network_bind_socket_to_local_addr(const char *host, unsigned port, + int socktype, char **error_string, int *error_code + TSRMLS_DC); + +PHPAPI php_socket_t php_network_accept_incoming(php_socket_t srvsock, + char **textaddr, long *textaddrlen, + struct sockaddr **addr, + socklen_t *addrlen, + struct timeval *timeout, + char **error_string, + int *error_code + TSRMLS_DC); + +PHPAPI int php_network_get_sock_name(php_socket_t sock, + char **textaddr, long *textaddrlen, + struct sockaddr **addr, + socklen_t *addrlen + TSRMLS_DC); + +PHPAPI int php_network_get_peer_name(php_socket_t sock, + char **textaddr, long *textaddrlen, + struct sockaddr **addr, + socklen_t *addrlen + TSRMLS_DC); + +PHPAPI void php_any_addr(int family, php_sockaddr_storage *addr, unsigned short port); +PHPAPI int php_sockaddr_size(php_sockaddr_storage *addr); +END_EXTERN_C() + +struct _php_netstream_data_t { + php_socket_t socket; + char is_blocked; + struct timeval timeout; + char timeout_event; + size_t ownsize; +}; +typedef struct _php_netstream_data_t php_netstream_data_t; +PHPAPI extern php_stream_ops php_stream_socket_ops; +extern php_stream_ops php_stream_generic_socket_ops; +#define PHP_STREAM_IS_SOCKET (&php_stream_socket_ops) + +BEGIN_EXTERN_C() +PHPAPI php_stream *_php_stream_sock_open_from_socket(php_socket_t socket, const char *persistent_id STREAMS_DC TSRMLS_DC ); +/* open a connection to a host using php_hostconnect and return a stream */ +PHPAPI php_stream *_php_stream_sock_open_host(const char *host, unsigned short port, + int socktype, struct timeval *timeout, const char *persistent_id STREAMS_DC TSRMLS_DC); +PHPAPI void php_network_populate_name_from_sockaddr( + /* input address */ + struct sockaddr *sa, socklen_t sl, + /* output readable address */ + char **textaddr, long *textaddrlen, + /* output address */ + struct sockaddr **addr, + socklen_t *addrlen + TSRMLS_DC); + +PHPAPI int php_network_parse_network_address_with_port(const char *addr, + long addrlen, struct sockaddr *sa, socklen_t *sl TSRMLS_DC); +END_EXTERN_C() + +#define php_stream_sock_open_from_socket(socket, persistent) _php_stream_sock_open_from_socket((socket), (persistent) STREAMS_CC TSRMLS_CC) +#define php_stream_sock_open_host(host, port, socktype, timeout, persistent) _php_stream_sock_open_host((host), (port), (socktype), (timeout), (persistent) STREAMS_CC TSRMLS_CC) + +/* {{{ memory debug */ +#define php_stream_sock_open_from_socket_rel(socket, persistent) _php_stream_sock_open_from_socket((socket), (persistent) STREAMS_REL_CC TSRMLS_CC) +#define php_stream_sock_open_host_rel(host, port, socktype, timeout, persistent) _php_stream_sock_open_host((host), (port), (socktype), (timeout), (persistent) STREAMS_REL_CC TSRMLS_CC) +#define php_stream_sock_open_unix_rel(path, pathlen, persistent, timeval) _php_stream_sock_open_unix((path), (pathlen), (persistent), (timeval) STREAMS_REL_CC TSRMLS_CC) + +/* }}} */ + +#endif /* _PHP_NETWORK_H */ + +/* + * Local variables: + * tab-width: 8 + * c-basic-offset: 8 + * End: + */ |