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fd61f69077
Main Changes: - Implement a socket transport layer for use by all code that needs to open some kind of "special" socket for network or IPC. - Extensions can register (and override) transports. - Implement ftruncate() on streams via the ioctl-alike option interface. - Implement mmap() on streams via the ioctl-alike option interface. - Implement generic crypto API via the ioctl-alike option interface. (currently only supports OpenSSL, but could support other SSL toolkits, and other crypto transport protocols). Impact: - tcp sockets can be overloaded by the openssl capable sockets at runtime, removing the link-time requirement for ssl:// and https:// sockets and streams. - checking stream types using PHP_STREAM_IS_SOCKET is deprecated, since there are now a range of possible socket-type streams. Working towards: - socket servers using the new transport layer - mmap support under win32 - Cleaner code. # I will be updating the win32 build to add the new files shortly # after this commit.
53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
/*
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+----------------------------------------------------------------------+
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| PHP Version 4 |
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+----------------------------------------------------------------------+
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| Copyright (c) 1997-2003 The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 2.02 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available at through the world-wide-web at |
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| http://www.php.net/license/2_02.txt. |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Author: Wez Furlong <wez@thebrainroom.com> |
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+----------------------------------------------------------------------+
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*/
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/* $Id$ */
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/* Memory Mapping interface for streams */
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#include "php.h"
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#include "php_streams_int.h"
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PHPAPI char *_php_stream_mmap_range(php_stream *stream, size_t offset, size_t length, php_stream_mmap_operation_t mode, size_t *mapped_len TSRMLS_DC)
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{
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php_stream_mmap_range range = { offset, length, mode, NULL };
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/* TODO: Enforce system policy and limits for mmap sizes ? */
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if (PHP_STREAM_OPTION_RETURN_OK == php_stream_set_option(stream, PHP_STREAM_OPTION_MMAP_API, PHP_STREAM_MMAP_MAP_RANGE, &range)) {
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if (mapped_len) {
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*mapped_len = range.length;
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}
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return range.mapped;
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}
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return NULL;
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}
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PHPAPI int _php_stream_mmap_unmap(php_stream *stream TSRMLS_DC)
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{
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return php_stream_set_option(stream, PHP_STREAM_OPTION_MMAP_API, PHP_STREAM_MMAP_UNMAP, NULL) == PHP_STREAM_OPTION_RETURN_OK ? 1 : 0;
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}
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/*
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* Local variables:
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* tab-width: 4
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* c-basic-offset: 4
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* End:
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* vim600: noet sw=4 ts=4 fdm=marker
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* vim<600: noet sw=4 ts=4
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*/
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