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Diffstat (limited to 'ace/ACE.cpp')
| -rw-r--r-- | ace/ACE.cpp | 2532 |
1 files changed, 0 insertions, 2532 deletions
diff --git a/ace/ACE.cpp b/ace/ACE.cpp deleted file mode 100644 index 7080367bfc5..00000000000 --- a/ace/ACE.cpp +++ /dev/null @@ -1,2532 +0,0 @@ -// $Id$ - -#define ACE_BUILD_DLL -#include "ace/IPC_SAP.h" -#include "ace/Handle_Set.h" -#include "ace/ACE.h" -#include "ace/Thread_Manager.h" -#include "ace/Reactor.h" -#include "ace/Auto_Ptr.h" -#include "ace/INET_Addr.h" -#include "ace/SString.h" -#include "ace/Process.h" - -// Hex characters. -const char ACE::hex_chars_[] = "0123456789abcdef"; - -// Size of a VM page. -size_t ACE::pagesize_ = 0; - -void -ACE::unique_name (const void *object, - LPTSTR name, - size_t length) -{ - // The process ID will provide uniqueness between processes on the - // same machine. The "this" pointer of the <object> will provide - // uniqueness between other "live" objects in the same process. The - // uniqueness of this name is therefore only valid for the life of - // <object>. - TCHAR temp_name[ACE_UNIQUE_NAME_LEN]; - ACE_OS::sprintf (temp_name, __TEXT ("%d %d"), ACE_OS::getpid (), object); - ACE_OS::strncpy (name, temp_name, length); -} - -int -ACE::terminate_process (pid_t pid) -{ -#if defined (ACE_WIN32) - // Create a handle for the given process id. - ACE_HANDLE process_handle = - ::OpenProcess (PROCESS_TERMINATE, - FALSE, // New handle is not inheritable. - pid); - - if (process_handle == ACE_INVALID_HANDLE || process_handle == NULL) - return -1; - else - { - // Kill the process associated with process_handle. - BOOL terminate_result = ::TerminateProcess (process_handle, 0); - // Free up the kernel resources. - ACE_OS::close (process_handle); - return terminate_result; - } -#elif defined (CHORUS) - KnCap cap_; - - // Use the pid to find out the actor's capability, then kill it. - if (::acap (AM_MYSITE, pid, &cap_) == 0) - return ::akill (&cap_); - else - return -1; -#else - return ACE_OS::kill (pid, 9); -#endif /* ACE_WIN32 */ -} - -int -ACE::process_active (pid_t pid) -{ -#if !defined(ACE_WIN32) - int retval = ACE_OS::kill (pid, 0); - - if (retval == 0) - return 1; - else if (errno == ESRCH) - return 0; - else - return -1; -#else - // Create a handle for the given process id. - ACE_HANDLE process_handle = ::OpenProcess (PROCESS_QUERY_INFORMATION, - FALSE, - pid); - if (process_handle == ACE_INVALID_HANDLE - || process_handle == NULL) - return 0; - else - { - DWORD status; - - if (::GetExitCodeProcess (process_handle, - &status) == 0 - || status != STILL_ACTIVE) - return 0; - else - return 1; - } -#endif /* ACE_WIN32 */ -} - -#if !defined (ACE_HAS_WINCE) -int -ACE::register_stdin_handler (ACE_Event_Handler *eh, - ACE_Reactor *reactor, - ACE_Thread_Manager *thr_mgr, - int flags) -{ -#if defined (ACE_WIN32) - ACE_UNUSED_ARG (reactor); - - eh->reactor (reactor); - return thr_mgr->spawn (&ACE::read_adapter, (void *) eh, flags); -#else - // Keep compilers happy. - ACE_UNUSED_ARG (flags); - ACE_UNUSED_ARG (thr_mgr); - return reactor->register_handler (ACE_STDIN, eh, ACE_Event_Handler::READ_MASK); -#endif /* ACE_WIN32 */ -} - -int -ACE::remove_stdin_handler (ACE_Reactor *reactor, - ACE_Thread_Manager *thr_mgr) -{ -#if defined (ACE_WIN32) - ACE_UNUSED_ARG (reactor); - ACE_UNUSED_ARG (thr_mgr); - - // What should we do here? - ACE_NOTSUP_RETURN (-1); -#else - // Keep compilers happy. - ACE_UNUSED_ARG (thr_mgr); - return reactor->remove_handler (ACE_STDIN, ACE_Event_Handler::READ_MASK); -#endif /* ACE_WIN32 */ -} - -// Used to read from non-socket ACE_HANDLEs in our own thread to work -// around Win32 limitations that don't allow us to select() on -// non-sockets (such as ACE_STDIN). This is commonly used in -// situations where the Reactor is used to demultiplex read events on -// ACE_STDIN on UNIX. Note that <event_handler> must be a subclass of -// <ACE_Event_Handler>. If the <get_handle> method of this event -// handler returns <ACE_INVALID_HANDLE> we default to reading from -// ACE_STDIN. - -void * -ACE::read_adapter (void *args) -{ - ACE_Event_Handler *this_ptr = (ACE_Event_Handler *) args; - ACE_HANDLE handle = ACE_STDIN; - - while (this_ptr->handle_input (handle) != -1) - continue; - - this_ptr->handle_close (handle, ACE_Event_Handler::READ_MASK); - this_ptr->reactor ()->notify (); - - return 0; -} -#endif /* ACE_HAS_WINCE */ - -// Split a string up into 'token'-delimited pieces, ala Perl's "split". - -char * -ACE::strsplit_r (char *str, - const char *token, - char *&next_start) -{ - char *ret = 0; - - if (str != 0) - next_start = str; - - if (next_start != 0) - { - char *tok_loc = ACE_OS::strstr (next_start, token); - - if (tok_loc != 0) - { - // Return the beginning of the string. - ret = next_start; - - // Insure it's terminated. - *tok_loc = '\0'; - next_start = tok_loc + ACE_OS::strlen (token); - } - else - { - ret = next_start; - next_start = (char *) 0; - } - } - - return ret; -} - -const char * -ACE::execname (const char *old_name) -{ -#if defined (ACE_HAS_WIN32) - if (ACE_OS::strstr (old_name, ".exe") == 0) - { - char *new_name; - - ACE_NEW_RETURN (new_name, char[ACE_OS::strlen (old_name) + - ACE_OS::strlen (".exe") + - 1], -1); - char *end = new_name; - end = ACE::strecpy (new_name, old_name); - // Concatenate the .exe suffix onto the end of the executable. - ACE_OS::strcpy (end, ".exe"); - return new_name; - } -#endif /* ACE_HAS_WIN32 */ - return old_name; -} - -#if defined (ACE_HAS_UNICODE) -size_t -ACE::strrepl (wchar_t *s, wchar_t search, wchar_t replace) -{ - ACE_TRACE ("ACE::strrepl"); - - size_t replaced = 0; - - for (size_t i = 0; s[i] != '\0'; i++) - if (s[i] == search) - { - s[i] = replace; - replaced++; - } - - return replaced; -} - -wchar_t * -ACE::strsplit_r (wchar_t *str, - const wchar_t *token, - wchar_t *&next_start) -{ - wchar_t *ret = 0; - - if (str != 0) - next_start = str; - - if (next_start != 0) - { - wchar_t *tok_loc = ACE_OS::strstr (next_start, token); - - if (tok_loc != 0) - { - // Return the beginning of the string. - ret = next_start; - - // Insure it's terminated. - *tok_loc = '\0'; - next_start = tok_loc + ACE_OS::strlen (token); - } - else - { - ret = next_start; - next_start = (wchar_t *) 0; - } - } - - return ret; -} - -const wchar_t * -ACE::execname (const wchar_t *old_name) -{ -#if defined (ACE_HAS_WIN32) - if (ACE_OS::strstr (old_name, L".exe") == 0) - { - wchar_t *new_name; - - ACE_NEW_RETURN (new_name, wchar_t[ACE_OS::strlen (old_name) + - ACE_OS::strlen (L".exe") + - 1], -1); - wchar_t *end = new_name; - end = ACE::strecpy (new_name, old_name); - // Concatenate the .exe suffix onto the end of the executable. - ACE_OS::strcpy (end, L".exe"); - return new_name; - } -#endif /* ACE_HAS_WIN32 */ - return old_name; -} -#endif /* ACE_HAS_UNICODE */ - -u_long -ACE::hash_pjw (const char *str) -{ - u_long hash = 0; - - for (const char *temp = str; *temp != 0; temp++) - { - hash = (hash << 4) + (*temp * 13); - - u_long g = hash & 0xf0000000; - - if (g) - { - hash ^= (g >> 24); - hash ^= g; - } - } - - return hash; -} - -u_long -ACE::hash_pjw (const ACE_USHORT16 *str) -{ - u_long hash = 0; - - for (const ACE_USHORT16 *temp = str; *temp != 0; temp++) - { - hash = (hash << 4) + (*temp * 13); - - u_long g = hash & 0xf0000000; - - if (g) - { - hash ^= (g >> 24); - hash ^= g; - } - } - - return hash; -} - -// The CRC routine was taken from the FreeBSD implementation of cksum, -// that falls under the following license: -/*- - * Copyright (c) 1991, 1993 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * James W. Williams of NASA Goddard Space Flight Center. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -u_long ACE::crc_table_[] = -{ - 0x0, - 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b, - 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, - 0x2b4bcb61, 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, - 0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9, 0x5f15adac, - 0x5bd4b01b, 0x569796c2, 0x52568b75, 0x6a1936c8, 0x6ed82b7f, - 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, 0x709f7b7a, - 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039, - 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, - 0xbaea46ef, 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, - 0xa4ad16ea, 0xa06c0b5d, 0xd4326d90, 0xd0f37027, 0xddb056fe, - 0xd9714b49, 0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95, - 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, 0xe13ef6f4, - 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0, - 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, - 0x2ac12072, 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, - 0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca, 0x7897ab07, - 0x7c56b6b0, 0x71159069, 0x75d48dde, 0x6b93dddb, 0x6f52c06c, - 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1, - 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba, - 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, - 0xbb60adfc, 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, - 0x832f1041, 0x87ee0df6, 0x99a95df3, 0x9d684044, 0x902b669d, - 0x94ea7b2a, 0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e, - 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2, 0xc6bcf05f, - 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34, - 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, - 0x644fc637, 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, - 0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f, 0x5c007b8a, - 0x58c1663d, 0x558240e4, 0x51435d53, 0x251d3b9e, 0x21dc2629, - 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, 0x3f9b762c, - 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff, - 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, - 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, - 0xeba91bbc, 0xef68060b, 0xd727bbb6, 0xd3e6a601, 0xdea580d8, - 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3, - 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, 0xae3afba2, - 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71, - 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, - 0x857130c3, 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, - 0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c, 0x7b827d21, - 0x7f436096, 0x7200464f, 0x76c15bf8, 0x68860bfd, 0x6c47164a, - 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e, 0x18197087, - 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec, - 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, - 0x2056cd3a, 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, - 0xcc2b1d17, 0xc8ea00a0, 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, - 0xdbee767c, 0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18, - 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, 0x89b8fd09, - 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, - 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, - 0xa2f33668, 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4 -}; - -// Compute a POSIX 1003.2 checksum. The routine takes an string and -// computes the CRC for it (it stops on the first '\0' character). - -u_long -ACE::crc32 (const char *string) -{ - // #define COMPUTE(var, ch) (var) = (var) << (8 ^ ACE::crc_table_[(var) >> (24 ^ (ch))]) -#define COMPUTE(var, ch) (var) = ((var) << 8) ^ ACE::crc_table_[((var) >> 24) ^ (ch)] - - register ACE_UINT32 crc = 0; - - u_long len = 0; - - for (const char *p = string; - *p != 0; - ++p) - { - COMPUTE (crc, *p); - ++len; - } - - // Include the length of the string. - - for (; len != 0; len >>= 8) - COMPUTE (crc, len & 0xff); - - return ~crc; -} - -size_t -ACE::strrepl (char *s, char search, char replace) -{ - ACE_TRACE ("ACE::strrepl"); - - size_t replaced = 0; - - for (size_t i = 0; s[i] != '\0'; i++) - if (s[i] == search) - { - s[i] = replace; - replaced++; - } - - return replaced; -} - -#if !defined (ACE_HAS_WINCE) -char * -ACE::strenvdup (const char *str) -{ - ACE_TRACE ("ACE::strenvdup"); - - char *temp; - - if (str[0] == '$' - && (temp = ACE_OS::getenv (&str[1])) != 0) - return ACE_OS::strdup (temp); - else - return ACE_OS::strdup (str); -} -#endif /* ACE_HAS_WINCE */ - -/* - -Examples: - -Source NT UNIX -=============================================================== -netsvc netsvc.dll libnetsvc.so - (PATH will be evaluated) (LD_LIBRARY_PATH evaluated) - -libnetsvc.dll libnetsvc.dll libnetsvc.dll + warning -netsvc.so netsvc.so + warning libnetsvc.so - -..\../libs/netsvc ..\..\libs\netsvc.dll ../../libs/netsvc.so - (absolute path used) (absolute path used) - -*/ - -int -ACE::ldfind (const ASYS_TCHAR filename[], - ASYS_TCHAR pathname[], - size_t maxpathnamelen) -{ - ACE_TRACE ("ACE::ldfind"); - - ASYS_TCHAR tempcopy[MAXPATHLEN + 1]; - ASYS_TCHAR searchpathname[MAXPATHLEN + 1]; - ASYS_TCHAR searchfilename[MAXPATHLEN + 1]; - - // Create a copy of filename to work with. - if (ACE_OS::strlen (filename) + 1 > (sizeof tempcopy / sizeof (ASYS_TCHAR))) - { - errno = ENOMEM; - return -1; - } - else - ACE_OS::strcpy (tempcopy, filename); - - // Insert canonical directory separators. - ASYS_TCHAR *separator_ptr; - - if (ACE_DIRECTORY_SEPARATOR_CHAR != '/') - // Make all the directory separators ``canonical'' to simplify - // subsequent code. - ACE::strrepl (tempcopy, ACE_DIRECTORY_SEPARATOR_CHAR, '/'); - - // Separate filename from pathname. - separator_ptr = ACE_OS::strrchr (tempcopy, '/'); - - // This is a relative path. - if (separator_ptr == 0) - { - searchpathname[0] = '\0'; - ACE_OS::strcpy (searchfilename, tempcopy); - } - else // This is an absolute path. - { - ACE_OS::strcpy (searchfilename, separator_ptr + 1); - separator_ptr[1] = '\0'; - ACE_OS::strcpy (searchpathname, tempcopy); - } - - int got_suffix = 0; - - // Check to see if this has an appropriate DLL suffix for the OS - // platform. - ASYS_TCHAR *s = ACE_OS::strrchr (searchfilename, '.'); - - ASYS_TCHAR *dll_suffix = -#if !defined (ACE_HAS_MOSTLY_UNICODE_APIS) - ACE_DLL_SUFFIX; -#else - _TEXT (ACE_DLL_SUFFIX); -#endif /* ACE_HAS_MOSTLY_UNICODE_APIS */ - - if (s != 0) - { - // Check whether this matches the appropriate platform-specific suffix. - if (ACE_OS::strcmp (s, dll_suffix) == 0) - got_suffix = 1; - else - ACE_ERROR ((LM_WARNING, - ASYS_TEXT ("Warning: improper suffix for a shared library on this platform: %s\n"), - s)); - } - - // Make sure we've got enough space in searchfilename. - if (ACE_OS::strlen (searchfilename) + - ACE_OS::strlen (ACE_DLL_PREFIX) + -#if !defined (ACE_HAS_MOSTLY_UNICODE_APIS) - got_suffix ? 0 : ACE_OS::strlen (dll_suffix) >= (sizeof searchfilename / sizeof (char))) -#else - got_suffix ? 0 : ACE_OS::strlen (dll_suffix) >= (sizeof searchfilename / sizeof (char))) -#endif /* ACE_HAS_MOSTLY_UNICODE_APIS */ - { - errno = ENOMEM; - return -1; - } - - // Use absolute pathname if there is one. - if (ACE_OS::strlen (searchpathname) > 0) - { - if (ACE_OS::strlen (searchfilename) - + ACE_OS::strlen (searchpathname) >= maxpathnamelen) - { - errno = ENOMEM; - return -1; - } - else - { - if (ACE_DIRECTORY_SEPARATOR_CHAR != '/') - // Revert to native path name separators - ACE::strrepl (searchpathname, '/', ACE_DIRECTORY_SEPARATOR_CHAR); - - // First, try matching the filename *without* adding a - // prefix. - ACE_OS::sprintf (pathname, ASYS_TEXT ("%s%s%s"), - searchpathname, - searchfilename, - got_suffix ? ASYS_TEXT ("") : dll_suffix); - if (ACE_OS::access (pathname, F_OK) == 0) - return 0; - - // Second, try matching the filename *with* adding a prefix. - ACE_OS::sprintf (pathname, ASYS_TEXT ("%s%s%s%s"), - searchpathname, - ACE_DLL_PREFIX, - searchfilename, - got_suffix ? ASYS_TEXT ("") : dll_suffix); - if (ACE_OS::access (pathname, F_OK) == 0) - return 0; - } - } - - // Use relative filenames via LD_LIBRARY_PATH or PATH (depending on - // OS platform). - else - { - char *ld_path = ACE_OS::getenv (ACE_LD_SEARCH_PATH); - - if (ld_path != 0 && (ld_path = ACE_OS::strdup (ld_path)) != 0) - { - // strtok has the strange behavior of not separating the - // string ":/foo:/bar" into THREE tokens. One would expect - // that the first iteration the token would be an empty - // string, the second iteration would be "/foo", and the - // third iteration would be "/bar". However, this is not - // the case; one only gets two iterations: "/foo" followed - // by "/bar". - - // This is especially a problem in parsing Unix paths - // because it is permissible to specify 'the current - // directory' as an empty entry. So, we introduce the - // following special code to cope with this: - - // Look at each dynamic lib directory in the search path. - char *nextholder = 0; - const char *path_entry = ACE::strsplit_r (ld_path, - ACE_LD_SEARCH_PATH_SEPARATOR_STR, - nextholder); - int result = 0; - - for (;;) - { - // Check if at end of search path. - if (path_entry == 0) - { - errno = ENOENT; - result = -1; - break; - } - else if (ACE_OS::strlen (path_entry) - + 1 + ACE_OS::strlen (searchfilename) >= maxpathnamelen) - { - errno = ENOMEM; - result = -1; - break; - } - // This works around the issue where a path might have - // an empty component indicating 'current directory'. - // We need to do it here rather than anywhere else so - // that the loop condition will still work. - else if (path_entry[0] == '\0') - path_entry = "."; - - // First, try matching the filename *without* adding a - // prefix. - ACE_OS::sprintf (pathname, ASYS_TEXT ("%s%c%s%s"), - path_entry, - ACE_DIRECTORY_SEPARATOR_CHAR, - searchfilename, - got_suffix ? ASYS_TEXT ("") : dll_suffix); - if (ACE_OS::access (pathname, F_OK) == 0) - break; - - // Second, try matching the filename *with* adding a - // prefix. - ACE_OS::sprintf (pathname, ASYS_TEXT ("%s%c%s%s%s"), - path_entry, - ACE_DIRECTORY_SEPARATOR_CHAR, - ACE_DLL_PREFIX, - searchfilename, - got_suffix ? ASYS_TEXT ("") : dll_suffix); - if (ACE_OS::access (pathname, F_OK) == 0) - break; - - // Fetch the next item in the path - path_entry = ACE::strsplit_r (0, - ACE_LD_SEARCH_PATH_SEPARATOR_STR, - nextholder); - } - - ACE_OS::free ((void *) ld_path); - return result; - } - } - - errno = ENOENT; - return -1; -} - -FILE * -ACE::ldopen (const ASYS_TCHAR *filename, const ASYS_TCHAR *type) -{ - ACE_TRACE ("ACE::ldopen"); - ASYS_TCHAR buf[MAXPATHLEN + 1]; - - if (ACE::ldfind (filename, buf, sizeof (buf)/sizeof (ASYS_TCHAR)) == -1) - return 0; - else - return ACE_OS::fopen (buf, type); -} - -const char * -ACE::basename (const char *pathname, char delim) -{ - ACE_TRACE ("ACE::basename"); - const char *temp = ACE_OS::strrchr (pathname, delim); - - if (temp == 0) - return pathname; - else - return temp + 1; -} - -#if defined (ACE_HAS_UNICODE) -const wchar_t * -ACE::basename (const wchar_t *pathname, wchar_t delim) -{ - ACE_TRACE ("ACE::basename"); - const wchar_t *temp = ACE_OS::strrchr (pathname, delim); - - if (temp == 0) - return pathname; - else - return temp + 1; -} -#endif /* ACE_HAS_UNICODE */ - -// Send N char *ptrs and int lengths. Note that the char *'s precede -// the ints (basically, an varargs version of writev). The count N is -// the *total* number of trailing arguments, *not* a couple of the -// number of tuple pairs! - -ssize_t -ACE::send (ACE_HANDLE handle, size_t n, ...) -{ - ACE_TRACE ("ACE_SOCK_IO::send"); - - va_list argp; - size_t total_tuples = n / 2; - iovec *iovp; -#if defined (ACE_HAS_ALLOCA) - iovp = (iovec *) alloca (total_tuples * sizeof (iovec)); -#else - ACE_NEW_RETURN (iovp, iovec[total_tuples], -1); -#endif /* !defined (ACE_HAS_ALLOCA) */ - - va_start (argp, n); - - for (size_t i = 0; i < total_tuples; i++) - { - iovp[i].iov_base = va_arg (argp, char *); - iovp[i].iov_len = va_arg (argp, int); - } - - ssize_t result = ACE_OS::writev (handle, iovp, total_tuples); -#if !defined (ACE_HAS_ALLOCA) - delete [] iovp; -#endif /* !defined (ACE_HAS_ALLOCA) */ - va_end (argp); - return result; -} - -// This is basically an interface to ACE_OS::readv, that doesn't use -// the struct iovec explicitly. The ... can be passed as an arbitrary -// number of (char *ptr, int len) tuples. However, the count N is the -// *total* number of trailing arguments, *not* a couple of the number -// of tuple pairs! - -ssize_t -ACE::recv (ACE_HANDLE handle, size_t n, ...) -{ - ACE_TRACE ("ACE_SOCK_IO::recv"); - - va_list argp; - size_t total_tuples = n / 2; - iovec *iovp; -#if defined (ACE_HAS_ALLOCA) - iovp = (iovec *) alloca (total_tuples * sizeof (iovec)); -#else - ACE_NEW_RETURN (iovp, iovec[total_tuples], -1); -#endif /* !defined (ACE_HAS_ALLOCA) */ - - va_start (argp, n); - - for (size_t i = 0; i < total_tuples; i++) - { - iovp[i].iov_base = va_arg (argp, char *); - iovp[i].iov_len = va_arg (argp, int); - } - - ssize_t result = ACE_OS::readv (handle, iovp, total_tuples); -#if !defined (ACE_HAS_ALLOCA) - delete [] iovp; -#endif /* !defined (ACE_HAS_ALLOCA) */ - va_end (argp); - return result; -} - -// Miscellaneous static methods used throughout ACE. - -ssize_t -ACE::send_n (ACE_HANDLE handle, const void *buf, size_t len) -{ - ACE_TRACE ("ACE::send_n"); - size_t bytes_written; - ssize_t n = 0; - - for (bytes_written = 0; bytes_written < len; bytes_written += n) - { - n = ACE::send (handle, - (const char *) buf + bytes_written, - len - bytes_written); - if (n == -1) - { - if (errno != EWOULDBLOCK) - return -1; - else - n = 0; // Keep trying to send. - } - } - - return bytes_written; -} - -ssize_t -ACE::send_n (ACE_HANDLE handle, - const void *buf, - size_t len, - int flags) -{ - ACE_TRACE ("ACE::send_n"); - size_t bytes_written; - ssize_t n = 0; - - for (bytes_written = 0; - bytes_written < len; - bytes_written += n) - { - n = ACE_OS::send (handle, - (const char *) buf + bytes_written, - len - bytes_written, - flags); - if (n == -1) - { - if (errno != EWOULDBLOCK) - return -1; - else - n = 0; // Keep trying to send. - } - } - - return bytes_written; -} - -// Receive <len> bytes into <buf> from <handle> (uses the <write> -// system call on UNIX and the <WriteFile> call on Win32). - -ssize_t -ACE::write_n (ACE_HANDLE handle, - const void *buf, - size_t len) -{ - ACE_TRACE ("ACE::write_n"); - - size_t bytes_written; - ssize_t n = 0; - - for (bytes_written = 0; bytes_written < len; bytes_written += n) - { - n = ACE_OS::write (handle, (const char *) buf + bytes_written, - len - bytes_written); - if (n == -1) - { - if (errno != EWOULDBLOCK) - return -1; - else - n = 0; // Keep trying to send. - } - } - - return bytes_written; -} - -ssize_t -ACE::recv_n (ACE_HANDLE handle, void *buf, size_t len) -{ - ACE_TRACE ("ACE::recv_n"); - size_t bytes_read; - ssize_t n = 0; - - for (bytes_read = 0; bytes_read < len; bytes_read += n) - { - n = ACE::recv (handle, (char *) buf + bytes_read, len - bytes_read); - - if (n == -1) - { - if (errno != EWOULDBLOCK) - return -1; - else - n = 0; // Keep trying to read. - } - else if (n == 0) - break; - } - return bytes_read; -} - -ssize_t -ACE::recv_n (ACE_HANDLE handle, void *buf, size_t len, int flags) -{ - ACE_TRACE ("ACE::recv_n"); - size_t bytes_read; - ssize_t n = 0; - - for (bytes_read = 0; bytes_read < len; bytes_read += n) - { - n = ACE::recv (handle, - (char *) buf + bytes_read, - len - bytes_read, - flags); - - if (n == -1) - { - if (errno != EWOULDBLOCK) - return -1; - else - n = 0; // Keep trying to read. - } - else if (n == 0) - break; - } - - return bytes_read; -} - -// Receive <len> bytes into <buf> from <handle> (uses the <read> -// system call on UNIX and the <ReadFile> call on Win32). - -ssize_t -ACE::read_n (ACE_HANDLE handle, - void *buf, - size_t len) -{ - ACE_TRACE ("ACE::read_n"); - - size_t bytes_read; - ssize_t n = 0; - - for (bytes_read = 0; bytes_read < len; bytes_read += n) - { - n = ACE_OS::read (handle, (char *) buf + bytes_read, len - bytes_read); - - if (n == -1) - { - if (errno != EWOULDBLOCK) - return -1; - else - n = 0; // Keep trying to read. - } - else if (n == 0) - break; - } - - return bytes_read; -} - -int -ACE::enter_recv_timedwait (ACE_HANDLE handle, - const ACE_Time_Value *timeout, - int &val) -{ - // Give value a default value to keep Purify happy! - val = 0; - - if (timeout == 0) - return 0; - - ACE_Handle_Set handle_set; - handle_set.set_bit (handle); - - // Wait for input to arrive or for the timeout to elapse. - switch (ACE_OS::select (int (handle) + 1, - (fd_set *) handle_set, // read_fds. - (fd_set *) 0, // write_fds. - (fd_set *) 0, // exception_fds. - timeout)) - { - case 1: // OK to read now. - // We need to record whether we are already *in* nonblocking - // mode, so that we can correctly reset the state when we're - // done. - val = ACE::get_flags (handle); - - if (ACE_BIT_DISABLED (val, ACE_NONBLOCK)) - // Set the handle into non-blocking mode if it's not - // already in it. - ACE::set_flags (handle, ACE_NONBLOCK); - return 1; - case 0: // Timer expired. - errno = ETIME; - /* FALLTHRU */ - default: // if we got here directly select() must have returned -1. - return -1; - } -} - -void -ACE::leave_recv_timedwait (ACE_HANDLE handle, - const ACE_Time_Value *timeout, - int val) -{ - if (timeout != 0 - && ACE_BIT_DISABLED (val, ACE_NONBLOCK)) - { - // We need to stash errno here because ACE::clr_flags() may - // reset it. - int error = errno; - - // Only disable ACE_NONBLOCK if we weren't in non-blocking mode - // originally. - ACE::clr_flags (handle, ACE_NONBLOCK); - errno = error; - } -} - -int -ACE::enter_send_timedwait (ACE_HANDLE handle, - const ACE_Time_Value* timeout, - int &val) -{ - // Give value a default value to keep Purify happy! - val = 0; - - if (timeout==0) - return 0; - - ACE_Handle_Set handle_set; - handle_set.set_bit (handle); - - // On timed writes we always go into select(); only if the - // handle is available for writing within the specified amount - // of time do we put it in non-blocking mode - - switch (ACE_OS::select (int (handle) + 1, - (fd_set *) 0, - (fd_set *) handle_set, - (fd_set *) 0, - timeout)) - { - case 1: // Ok to write now. - // We need to record whether we are already *in* nonblocking - // mode, so that we can correctly reset the state when we're - // done. - val = ACE::get_flags (handle); - - if (ACE_BIT_DISABLED (val, ACE_NONBLOCK)) - // Set the handle into non-blocking mode if it's not - // already in it. - ACE::set_flags (handle, ACE_NONBLOCK); - return 1; - case 0: // Timer expired. - errno = ETIME; - /* FALLTHRU */ - default: // if we got here directly select() must have returned -1. - return -1; - } -} - -void -ACE::leave_send_timedwait (ACE_HANDLE handle, - const ACE_Time_Value *timeout, - int val) -{ - if (timeout != 0 - && ACE_BIT_DISABLED (val, ACE_NONBLOCK)) - { - // We need to stash errno here because ACE::clr_flags() may - // reset it. - int error = errno; - - // Only disable ACE_NONBLOCK if we weren't in non-blocking mode - // originally. - ACE::clr_flags (handle, ACE_NONBLOCK); - errno = error; - } -} - -ssize_t -ACE::sendto (ACE_HANDLE handle, - const char *buf, - int len, - int flags, - const struct sockaddr *addr, - int addrlen, - const ACE_Time_Value *timeout) -{ - // ACE_TRACE ("ACE::sendto"); -#if defined (ACE_HAS_SENDTO_TIMEDWAIT) - if (timeout == 0) - return ACE_OS::sendto (handle, buf, len, flags, addr, addrlen); - else - { - ACE_Time_Value copy = *timeout; - copy += ACE_OS::gettimeofday (); - timespec_t ts = copy; - return ::sendto_timedwait (handle, buf, len, flags, addr, addrlen, &ts); - } -#else - int val; - if (ACE::enter_send_timedwait (handle, timeout, val) == -1) - return -1; - else - { - int bytes_written = ACE_OS::sendto (handle, buf, len, flags, addr, addrlen); - ACE::leave_send_timedwait (handle, timeout, val); - return bytes_written; - } -#endif /* ACE_HAS_SENDTO_TIMEDWAIT */ -} - -ssize_t -ACE::sendmsg (ACE_HANDLE handle, - const struct msghdr *msg, - int flags, - const ACE_Time_Value *timeout) -{ - // ACE_TRACE ("ACE::sendmsg"); -#if defined (ACE_HAS_SENDMSG_TIMEDWAIT) - if (timeout == 0) - return ACE_OS::sendmsg (handle, msg, flags); - else - { - ACE_Time_Value copy = *timeout; - copy += ACE_OS::gettimeofday (); - timespec_t ts = copy; - return ::sendmsg_timedwait (handle, msg, flags, &ts); - } -#else - int val; - if (ACE::enter_send_timedwait (handle, timeout, val) == -1) - return -1; - else - { - int bytes_written = ACE_OS::sendmsg (handle, msg, flags); - ACE::leave_send_timedwait (handle, timeout, val); - return bytes_written; - } -#endif /* ACE_HAS_SENDMSG_TIMEDWAIT */ -} - -ssize_t -ACE::readv (ACE_HANDLE handle, - struct iovec *iov, - int iovcnt, - const ACE_Time_Value *timeout) -{ - // ACE_TRACE ("ACE::readv"); -#if defined (ACE_HAS_READV_TIMEDWAIT) - if (timeout == 0) - return ACE_OS::readv (handle, iov, iovcnt); - else { - ACE_Time_Value copy = *timeout; - copy += ACE_OS::gettimeofday (); - timespec_t ts = copy; - return ::readv_timedwait (handle, iov, iovcnt, &ts); - } -#else - int val; - if (ACE::enter_recv_timedwait (handle, timeout, val) == -1) - return -1; - else - { - ssize_t bytes_read = ACE_OS::readv (handle, iov, iovcnt); - ACE::leave_recv_timedwait (handle, timeout, val); - return bytes_read; - } -#endif /* ACE_HAS_READV_TIMEDWAIT */ -} - -ssize_t -ACE::writev (ACE_HANDLE handle, - const struct iovec *iov, - int iovcnt, - const ACE_Time_Value *timeout) -{ - // ACE_TRACE ("ACE::writev"); -#if defined (ACE_HAS_WRITEV_TIMEDWAIT) - if (timeout == 0) - return ACE_OS::writev (handle, iov, iovcnt); - else { - ACE_Time_Value copy = *timeout; - copy += ACE_OS::gettimeofday (); - timespec_t ts = copy; - return ::writev_timedwait (handle, iov, iovcnt, &ts); - } -#else - int val; - if (ACE::enter_send_timedwait (handle, timeout, val) == -1) - return -1; - else - { - ssize_t bytes_written = ACE_OS::writev (handle, iov, iovcnt); - ACE::leave_send_timedwait (handle, timeout, val); - return bytes_written; - } -#endif /* ACE_HAS_WRITEV_TIMEDWAIT */ -} - -// Format buffer into printable format. This is useful for debugging. -// Portions taken from mdump by J.P. Knight (J.P.Knight@lut.ac.uk) -// Modifications by Todd Montgomery. - -int -ACE::format_hexdump (const ASYS_TCHAR *buffer, int size, - ASYS_TCHAR *obuf, int obuf_sz) -{ - ACE_TRACE ("ACE::format_hexdump"); - - u_char c; - ASYS_TCHAR textver[16 + 1]; - - int maxlen = (obuf_sz / 68) * 16; - - if (size > maxlen) - size = maxlen; - - int i; - - for (i = 0; i < (size >> 4); i++) - { - int j; - - for (j = 0 ; j < 16; j++) - { - c = (u_char) buffer[(i << 4) + j]; - ACE_OS::sprintf (obuf, ASYS_TEXT ("%02x "), c); - obuf += 3; - if (j == 7) - { - ACE_OS::sprintf (obuf, ASYS_TEXT (" ")); - obuf++; - } - textver[j] = (c < 0x20 || c > 0x7e) ? '.' : c; - } - - textver[j] = 0; - - ACE_OS::sprintf (obuf, ASYS_TEXT (" %s\n"), textver); - - while (*obuf != '\0') - obuf++; - } - - if (size % 16) - { - for (i = 0 ; i < size % 16; i++) - { - c = (u_char) buffer[size - size % 16 + i]; - ACE_OS::sprintf (obuf, ASYS_TEXT ("%02x "),c); - obuf += 3; - if (i == 7) - { - ACE_OS::sprintf (obuf, ASYS_TEXT (" ")); - obuf++; - } - textver[i] = (c < 0x20 || c > 0x7e) ? '.' : c; - } - - for (i = size % 16; i < 16; i++) - { - ACE_OS::sprintf (obuf, ASYS_TEXT (" ")); - obuf += 3; - textver[i] = ' '; - } - - textver[i] = 0; - ACE_OS::sprintf (obuf, ASYS_TEXT (" %s\n"), textver); - } - return size; -} - -// Returns the current timestamp in the form -// "hour:minute:second:microsecond." The month, day, and year are -// also stored in the beginning of the date_and_time array. Returns 0 -// if unsuccessful, else returns pointer to beginning of the "time" -// portion of <day_and_time>. - -ASYS_TCHAR * -ACE::timestamp (ASYS_TCHAR date_and_time[], int date_and_timelen) -{ - //ACE_TRACE ("ACE::timestamp"); - - if (date_and_timelen < 35) - { - errno = EINVAL; - return 0; - } - -#if defined (WIN32) - // @@ Jesper, I think Win32 supports all the UNIX versions below. - // Therefore, we can probably remove this WIN32 ifdef altogether. - SYSTEMTIME local; - ::GetLocalTime (&local); - - ACE_OS::sprintf (date_and_time, ASYS_TEXT ("%02d/%02d/%04d %02d.%02d.%02d.%06d"), - (int) local.wMonth, // new, also the %02d in sprintf - (int) local.wDay, // new, also the %02d in sprintf - (int) local.wYear, // new, also the %02d in sprintf - (int) local.wHour, - (int) local.wMinute, - (int) local.wSecond, - (int) local.wMilliseconds * 1000); -#else /* UNIX */ - char timebuf[26]; // This magic number is based on the ctime(3c) man page. - ACE_Time_Value cur_time = ACE_OS::gettimeofday (); - time_t secs = cur_time.sec (); - ACE_OS::ctime_r (&secs, timebuf, sizeof timebuf); - ACE_OS::strncpy (date_and_time, timebuf, date_and_timelen); - ACE_OS::sprintf (&date_and_time[19], ".%06d", cur_time.usec ()); -#endif /* WIN32 */ - date_and_time[26] = '\0'; - return &date_and_time[11]; -} - -// This function rounds the request to a multiple of the page size. -size_t -ACE::round_to_pagesize (off_t len) -{ - ACE_TRACE ("ACE::round_to_pagesize"); - - if (ACE::pagesize_ == 0) - { - ACE::pagesize_ = ACE_OS::getpagesize (); - } - - return (len + (ACE::pagesize_ - 1)) & ~(ACE::pagesize_ - 1); -} - -ACE_HANDLE -ACE::handle_timed_complete (ACE_HANDLE h, - ACE_Time_Value *timeout, - int is_tli) -{ - ACE_TRACE ("ACE::handle_timed_complete"); - ACE_Handle_Set rd_handles; - ACE_Handle_Set wr_handles; - int need_to_check; - -#if defined (ACE_WIN32) - ACE_Handle_Set ex_handles; - ex_handles.set_bit (h); -#endif /* ACE_WIN32 */ - rd_handles.set_bit (h); - wr_handles.set_bit (h); - -#if defined (ACE_WIN32) - int n = ACE_OS::select (int (h) + 1, - rd_handles, - wr_handles, - ex_handles, - timeout); -#else - int n = ACE_OS::select (int (h) + 1, - rd_handles, - wr_handles, - 0, - timeout); -#endif /* ACE_WIN32 */ - - // If we failed to connect within the time period allocated by the - // caller, then we fail (e.g., the remote host might have been too - // busy to accept our call). - if (n <= 0) - { - if (n == 0 && timeout != 0) - errno = ETIME; - return ACE_INVALID_HANDLE; - } - - // Check if the handle is ready for reading and the handle is *not* - // ready for writing, which may indicate a problem. But we need to - // make sure... -#if defined (ACE_WIN32) - need_to_check = rd_handles.is_set (h) || ex_handles.is_set (h); -#elif defined (VXWORKS) - ACE_UNUSED_ARG (is_tli); - - // Force the check on VxWorks. The read handle for "h" is not set, - // so "need_to_check" is false at this point. The write handle is - // set, for what it's worth. - need_to_check = 1; -#else - if (is_tli) - need_to_check = rd_handles.is_set (h) && !wr_handles.is_set (h); - else - need_to_check = rd_handles.is_set (h); -#endif /* ACE_WIN32 */ - - if (need_to_check) - { - char dummy; - - // The following recv() won't block provided that the - // ACE_NONBLOCK flag has not been turned off . - n = ACE::recv (h, &dummy, 1, MSG_PEEK); - - if (n <= 0) - { - if (n == 0) - errno = ECONNREFUSED; - return ACE_INVALID_HANDLE; - } - } - - // 1. The HANDLE is ready for writing or 2. recv() returned that - // there are data to be read, which indicates the connection was - // successfully established. - return h; -} - -ACE_HANDLE -ACE::handle_timed_open (ACE_Time_Value *timeout, - LPCTSTR name, - int flags, - int perms) -{ - ACE_TRACE ("ACE::handle_timed_open"); - - if (timeout != 0) - { - // Open the named pipe or file using non-blocking mode... - ACE_HANDLE handle = ACE_OS::open (name, - flags | ACE_NONBLOCK, - perms); - if (handle == ACE_INVALID_HANDLE - && (errno == EWOULDBLOCK - && (timeout->sec () > 0 || timeout->usec () > 0))) - // This expression checks if we were polling. - errno = ETIME; - - return handle; - } - else - return ACE_OS::open (name, flags, perms); -} - -// Wait up to <timeout> amount of time to accept a connection. - -int -ACE::handle_timed_accept (ACE_HANDLE listener, - ACE_Time_Value *timeout, - int restart) -{ - ACE_TRACE ("ACE::handle_timed_accept"); - // Make sure we don't bomb out on erroneous values. - if (listener == ACE_INVALID_HANDLE) - return -1; - - // Use the select() implementation rather than poll(). - ACE_Handle_Set rd_handle; - rd_handle.set_bit (listener); - - // We need a loop here if <restart> is enabled. - - for (;;) - { - switch (ACE_OS::select (int (listener) + 1, - rd_handle, 0, 0, - timeout)) - { - case -1: - if (errno == EINTR && restart) - continue; - else - return -1; - /* NOTREACHED */ - case 0: - if (timeout != 0 && timeout->sec() == 0 && timeout->usec() == 0) - errno = EWOULDBLOCK; - else - errno = ETIME; - return -1; - /* NOTREACHED */ - case 1: - return 0; - /* NOTREACHED */ - default: - errno = EINVAL; - return -1; - /* NOTREACHED */ - } - } - /* NOTREACHED */ - return 0; -} - -// Bind socket to an unused port. - -int -ACE::bind_port (ACE_HANDLE handle) -{ - ACE_TRACE ("ACE::bind_port"); - sockaddr_in sin; - // This should be a constant, so I hope they never change the number - // of bits in a port number! - static u_short upper_limit = ACE_MAX_DEFAULT_PORT; - int lower_limit = IPPORT_RESERVED; - int round_trip = upper_limit; - - ACE_OS::memset ((void *) &sin, 0, sizeof sin); - sin.sin_family = AF_INET; -#if defined (ACE_HAS_SIN_LEN) - sin.sin_len = sizeof sin; -#endif /* ACE_HAS_SIN_LEN */ - sin.sin_addr.s_addr = INADDR_ANY; - - for (;;) - { - sin.sin_port = htons (upper_limit); - - if (ACE_OS::bind (handle, (sockaddr *) &sin, sizeof sin) >= 0) - { -#if defined (ACE_WIN32) - upper_limit--; -#endif - return 0; - } - else if (errno != EADDRINUSE) - return -1; - else - { - upper_limit--; - - // Wrap back around when we reach the bottom. - if (upper_limit <= lower_limit) - upper_limit = ACE_MAX_DEFAULT_PORT; - - // See if we have already gone around once! - if (upper_limit == round_trip) - { - errno = EAGAIN; - return -1; - } - } - } -} - -// Make the current process a UNIX daemon. This is based on Stevens -// code from APUE. - -int -ACE::daemonize (const char pathname[], - int close_all_handles) -{ - ACE_TRACE ("ACE::daemonize"); -#if !defined (ACE_LACKS_FORK) - pid_t pid = ACE_OS::fork (); - - if (pid == -1) - return -1; - else if (pid != 0) - ACE_OS::exit (0); // Parent exits. - - // 1st child continues. - ACE_OS::setsid (); // Become session leader. - - ACE_OS::signal (SIGHUP, SIG_IGN); - - pid = ACE_OS::fork (); - - if (pid != 0) - ACE_OS::exit (0); // First child terminates. - - // Second child continues. - - ACE_OS::chdir (pathname); // change working directory. - - ACE_OS::umask (0); // clear our file mode creation mask. - - // Close down the files. - if (close_all_handles) - for (int i = ACE::max_handles () - 1; i >= 0; i--) - ACE_OS::close (i); - - return 0; -#else - ACE_UNUSED_ARG (pathname); - ACE_UNUSED_ARG (close_all_handles); - - ACE_NOTSUP_RETURN (-1); -#endif /* ACE_LACKS_FORK */ -} - -int -ACE::max_handles (void) -{ - ACE_TRACE ("ACE::max_handles"); -#if defined (RLIMIT_NOFILE) && !defined (ACE_LACKS_RLIMIT) - rlimit rl; - ACE_OS::getrlimit (RLIMIT_NOFILE, &rl); - return rl.rlim_cur; -#elif defined (_SC_OPEN_MAX) - return ACE_OS::sysconf (_SC_OPEN_MAX); -#elif defined (FD_SETSIZE) - return FD_SETSIZE; -#else - ACE_NOTSUP_RETURN (-1); -#endif /* defined (RLIMIT_NOFILE) && !defined (ACE_LACKS_RLIMIT) */ -} - -// Set the number of currently open handles in the process. -// -// If NEW_LIMIT == -1 set the limit to the maximum allowable. -// Otherwise, set it to be the value of NEW_LIMIT. - -int -ACE::set_handle_limit (int new_limit) -{ - ACE_TRACE ("ACE::set_handle_limit"); - int cur_limit = ACE::max_handles (); - int max_limit = cur_limit; - - if (cur_limit == -1) - return -1; - -#if !defined (ACE_LACKS_RLIMIT) && defined (RLIMIT_NOFILE) - struct rlimit rl; - ACE_OS::memset ((void *) &rl, 0, sizeof rl); - ACE_OS::getrlimit (RLIMIT_NOFILE, &rl); - max_limit = rl.rlim_max; -#endif /* ACE_LACKS_RLIMIT */ - - if (new_limit == -1) - new_limit = max_limit; - - if (new_limit < 0) - { - errno = EINVAL; - return -1; - } - if (new_limit > cur_limit) - { -#if !defined (ACE_LACKS_RLIMIT) && defined (RLIMIT_NOFILE) - rl.rlim_cur = new_limit; - return ACE_OS::setrlimit (RLIMIT_NOFILE, &rl); -#else - // Must be return EINVAL errno. - ACE_NOTSUP_RETURN (-1); -#endif /* ACE_LACKS_RLIMIT */ - } - else - { -#if !defined (ACE_LACKS_RLIMIT) && defined (RLIMIT_NOFILE) - rl.rlim_cur = new_limit; - return ACE_OS::setrlimit (RLIMIT_NOFILE, &rl); -#else - // We give a chance to platforms with not RLIMIT to work. - ACE_NOTSUP_RETURN (0); -#endif /* ACE_LACKS_RLIMIT */ - } -} - -// Flags are file status flags to turn on. - -int -ACE::set_flags (ACE_HANDLE handle, int flags) -{ - ACE_TRACE ("ACE::set_flags"); -#if defined (ACE_WIN32) || defined (ACE_LACKS_FCNTL) - switch (flags) - { - case ACE_NONBLOCK: - // nonblocking argument (1) - // blocking: (0) - { - u_long nonblock = 1; - return ACE_OS::ioctl (handle, FIONBIO, &nonblock); - } - default: - ACE_NOTSUP_RETURN (-1); - } -#else - int val = ACE_OS::fcntl (handle, F_GETFL, 0); - - if (val == -1) - return -1; - - // Turn on flags. - ACE_SET_BITS (val, flags); - - if (ACE_OS::fcntl (handle, F_SETFL, val) == -1) - return -1; - else - return 0; -#endif /* ACE_WIN32 || ACE_LACKS_FCNTL */ -} - -// Flags are the file status flags to turn off. - -int -ACE::clr_flags (ACE_HANDLE handle, int flags) -{ - ACE_TRACE ("ACE::clr_flags"); - -#if defined (ACE_WIN32) || defined (ACE_LACKS_FCNTL) - switch (flags) - { - case ACE_NONBLOCK: - // nonblocking argument (1) - // blocking: (0) - { - u_long nonblock = 0; - return ACE_OS::ioctl (handle, FIONBIO, &nonblock); - } - default: - ACE_NOTSUP_RETURN (-1); - } -#else - int val = ACE_OS::fcntl (handle, F_GETFL, 0); - - if (val == -1) - return -1; - - // Turn flags off. - ACE_CLR_BITS (val, flags); - - if (ACE_OS::fcntl (handle, F_SETFL, val) == -1) - return -1; - else - return 0; -#endif /* ACE_WIN32 || ACE_LACKS_FCNTL */ -} - -int -ACE::map_errno (int error) -{ - switch (error) - { -#if defined (ACE_WIN32) - case WSAEWOULDBLOCK: - return EAGAIN; // Same as UNIX errno EWOULDBLOCK. -#endif /* ACE_WIN32 */ - } - - return error; -} - -ssize_t -ACE::send (ACE_HANDLE handle, - const void *buf, - size_t n, - int flags, - const ACE_Time_Value *timeout) -{ -#if defined (ACE_HAS_SEND_TIMEDWAIT) - if (timeout == 0) - return ACE::send (handle, buf, n, flags); - else - { - ACE_Time_Value copy = *timeout; - copy += ACE_OS::gettimeofday(); - timespec_t ts = copy; - return ::send_timedwait (handle, buf, n, flags, &ts); - } -#else - int val; - - if (ACE::enter_send_timedwait (handle, timeout, val) == -1) - return -1; - else - { - ssize_t bytes_written = ACE::send (handle, buf, n, flags); - ACE::leave_send_timedwait (handle, timeout, val); - return bytes_written; - } -#endif /* ACE_HAS_SEND_TIMEDWAIT */ -} - -ssize_t -ACE::send (ACE_HANDLE handle, - const void *buf, - size_t n, - const ACE_Time_Value *timeout) -{ - // ACE_TRACE ("ACE_OS::write"); -#if defined (ACE_HAS_WRITE_TIMEDWAIT) - if (timeout == 0) - return ACE::send (handle, buf, n); - else - { - ACE_Time_Value copy = *timeout; - copy += ACE_OS::gettimeofday (); - timespec_t ts = copy; - return ::write_timedwait (handle, buf, n, &ts); - } -#else - int val; - - if (ACE::enter_send_timedwait (handle, timeout, val) == -1) - return -1; - else - { - ssize_t bytes_written = ACE::send (handle, buf, n); - ACE::leave_send_timedwait (handle, timeout, val); - return bytes_written; - } -#endif /* ACE_HAS_WRITE_TIMEDWAIT */ -} - -ssize_t -ACE::send_n (ACE_HANDLE handle, - const void *buf, - size_t n, - int flags, - const ACE_Time_Value *timeout) -{ - // Total number of bytes written. - size_t bytes_written; - - // Actual number of bytes written in each <send> attempt. - ssize_t i = 0; - - for (bytes_written = 0; - bytes_written < n; - bytes_written += i) - { - i = ACE::send (handle, (char *) buf + bytes_written, - n - bytes_written, flags, timeout); - if (i == -1) - break; - } - - return bytes_written; -} - -ssize_t -ACE::recvfrom (ACE_HANDLE handle, - char *buf, - int len, - int flags, - struct sockaddr *addr, - int *addrlen, - const ACE_Time_Value *timeout) -{ - // ACE_TRACE ("ACE::recvfrom"); -#if defined (ACE_HAS_RECVFROM_TIMEDWAIT) - if (timeout == 0) - return ACE_OS::recvfrom (handle, buf, len, flags, addr, addrlen); - else - { - ACE_Time_Value copy = *timeout; - copy += ACE_OS::gettimeofday (); - timespec_t ts = copy; - return ::recvfrom_timedwait (handle, buf, len, flags, addr, addrlen, &ts); - } -#else - int val; - if (ACE::enter_recv_timedwait (handle, timeout, val) == -1) - return -1; - else - { - int bytes_read = ACE_OS::recvfrom (handle, buf, len, flags, addr, addrlen); - ACE::leave_recv_timedwait (handle, timeout, val); - return bytes_read; - } -#endif /* ACE_HAS_RECVFROM_TIMEDWAIT */ -} - -ssize_t -ACE::recvmsg (ACE_HANDLE handle, - struct msghdr *msg, - int flags, - const ACE_Time_Value *timeout) -{ - // ACE_TRACE ("ACE::recvmsg"); -#if defined (ACE_HAS_RECVMSG_TIMEDWAIT) - if (timeout == 0) - return ACE_OS::recvmsg (handle, msg, flags); - else - { - ACE_Time_Value copy = *timeout; - copy += ACE_OS::gettimeofday (); - timespec_t ts = copy; - return ::recvmsg_timedwait (handle, msg, flags, &ts); - } -#else - int val; - if (ACE::enter_recv_timedwait (handle, timeout, val) == -1) - return -1; - else - { - int bytes_read = ACE_OS::recvmsg (handle, msg, flags); - ACE::leave_recv_timedwait (handle, timeout, val); - return bytes_read; - } -#endif /* ACE_HAS_RECVMSG_TIMEDWAIT */ -} - -ssize_t -ACE::recv (ACE_HANDLE handle, - void *buf, - size_t n, - const ACE_Time_Value *timeout) -{ - // ACE_TRACE ("ACE::read"); -#if defined (ACE_HAS_READ_TIMEDWAIT) - if (timeout == 0) - return ACE::recv (handle, buf, n); - else - { - ACE_Time_Value copy = *timeout; - copy += ACE_OS::gettimeofday (); - timespec_t ts = copy; - return ::read_timedwait (handle, buf, n, &ts); - } -#else - int val; - - if (ACE::enter_recv_timedwait (handle, timeout, val) == -1) - return -1; - else - { - ssize_t bytes_read = ACE::recv (handle, buf, n); - ACE::leave_recv_timedwait (handle, timeout, val); - return bytes_read; - } -#endif /* ACE_HAS_READ_TIMEDWAIT */ -} - -ssize_t -ACE::recv (ACE_HANDLE handle, - void *buf, - size_t len, - int flags, - const ACE_Time_Value *timeout) -{ - // ACE_TRACE ("ACE::recv"); -#if defined (ACE_HAS_RECV_TIMEDWAIT) - if (timeout == 0) - return ACE::recv (handle, buf, len, flags); - else - { - ACE_Time_Value copy = *timeout; - copy += ACE_OS::gettimeofday (); - timespec_t ts = copy; - return ::recv_timedwait (handle, buf, len, flags, &ts); - } -#else - int val; - if (ACE::enter_recv_timedwait (handle, timeout, val)==-1) - return -1; - else - { - ssize_t bytes_recv = ACE::recv (handle, buf, len, flags); - ACE::leave_recv_timedwait (handle, timeout, val); - return bytes_recv; - } -#endif /* ACE_HAS_RECV_TIMEDWAIT */ -} - -ssize_t -ACE::recv_n (ACE_HANDLE handle, - void *buf, - size_t n, - int flags, - const ACE_Time_Value *timeout) -{ - size_t bytes_received; - - // Actual number of bytes read in each attempt. - ssize_t i = 0; - - for (bytes_received = 0; bytes_received < n; bytes_received += i) - { - i = ACE::recv (handle, (char *) buf + bytes_received, - n - bytes_received, flags, timeout); - - if (i == -1 || i == 0) - break; - } - - return bytes_received; -} - -u_long -ACE::is_prime (const u_long n, - const u_long min_factor, - const u_long max_factor) -{ - if (n > 3) - { - for (u_long factor = min_factor; factor <= max_factor; ++factor) - if (n / factor * factor == n) - return factor; - - return 0; - } - else - return 0; -} - -const ASYS_TCHAR * -ACE::sock_error (int error) -{ -#if defined (ACE_WIN32) - switch (error) - { - case WSAVERNOTSUPPORTED: - return ASYS_TEXT ("version of WinSock not supported"); - /* NOTREACHED */ - case WSASYSNOTREADY: - return ASYS_TEXT ("WinSock not present or not responding"); - /* NOTREACHED */ - case WSAEINVAL: - return ASYS_TEXT ("app version not supported by DLL"); - /* NOTREACHED */ - case WSAHOST_NOT_FOUND: - return ASYS_TEXT ("Authoritive: Host not found"); - /* NOTREACHED */ - case WSATRY_AGAIN: - return ASYS_TEXT ("Non-authoritive: host not found or server failure"); - /* NOTREACHED */ - case WSANO_RECOVERY: - return ASYS_TEXT ("Non-recoverable: refused or not implemented"); - /* NOTREACHED */ - case WSANO_DATA: - return ASYS_TEXT ("Valid name, no data record for type"); - /* NOTREACHED */ - /* - case WSANO_ADDRESS: - return "Valid name, no MX record"; - */ - case WSANOTINITIALISED: - return ASYS_TEXT ("WSA Startup not initialized"); - /* NOTREACHED */ - case WSAENETDOWN: - return ASYS_TEXT ("Network subsystem failed"); - /* NOTREACHED */ - case WSAEINPROGRESS: - return ASYS_TEXT ("Blocking operation in progress"); - /* NOTREACHED */ - case WSAEINTR: - return ASYS_TEXT ("Blocking call cancelled"); - /* NOTREACHED */ - case WSAEAFNOSUPPORT: - return ASYS_TEXT ("address family not supported"); - /* NOTREACHED */ - case WSAEMFILE: - return ASYS_TEXT ("no file handles available"); - /* NOTREACHED */ - case WSAENOBUFS: - return ASYS_TEXT ("no buffer space available"); - /* NOTREACHED */ - case WSAEPROTONOSUPPORT: - return ASYS_TEXT ("specified protocol not supported"); - /* NOTREACHED */ - case WSAEPROTOTYPE: - return ASYS_TEXT ("protocol wrong type for this socket"); - /* NOTREACHED */ - case WSAESOCKTNOSUPPORT: - return ASYS_TEXT ("socket type not supported for address family"); - /* NOTREACHED */ - case WSAENOTSOCK: - return ASYS_TEXT ("handle is not a socket"); - /* NOTREACHED */ - case WSAEWOULDBLOCK: - return ASYS_TEXT ("socket marked as non-blocking and SO_LINGER set not 0"); - /* NOTREACHED */ - case WSAEADDRINUSE: - return ASYS_TEXT ("address already in use"); - /* NOTREACHED */ - case WSAECONNABORTED: - return ASYS_TEXT ("connection aborted"); - /* NOTREACHED */ - case WSAECONNRESET: - return ASYS_TEXT ("connection reset"); - /* NOTREACHED */ - case WSAENOTCONN: - return ASYS_TEXT ("not connected"); - /* NOTREACHED */ - case WSAETIMEDOUT: - return ASYS_TEXT ("connection timed out"); - /* NOTREACHED */ - case WSAECONNREFUSED: - return ASYS_TEXT ("connection refused"); - /* NOTREACHED */ - case WSAEHOSTDOWN: - return ASYS_TEXT ("host down"); - /* NOTREACHED */ - case WSAEHOSTUNREACH: - return ASYS_TEXT ("host unreachable"); - /* NOTREACHED */ - case WSAEADDRNOTAVAIL: - return ASYS_TEXT ("address not available"); - /* NOTREACHED */ - default: - return ASYS_TEXT ("unknown error"); - /* NOTREACHED */ - } -#else - ACE_UNUSED_ARG (error); - ACE_NOTSUP_RETURN (0); -#endif /* ACE_WIN32 */ -} - -int -ACE::get_bcast_addr (ACE_UINT32 &bcast_addr, - const char *host_name, - ACE_UINT32 host_addr, - ACE_HANDLE handle) -{ - ACE_TRACE ("ACE::get_bcast_addr"); - -#if !defined(ACE_WIN32) - ACE_HANDLE s = handle; - - if (s == ACE_INVALID_HANDLE) - s = ACE_OS::socket (AF_INET, SOCK_STREAM, 0); - - if (s == ACE_INVALID_HANDLE) - ACE_ERROR_RETURN ((LM_ERROR, ASYS_TEXT ("%p\n"), ASYS_TEXT ("ACE_OS::socket")), -1); - - struct ifconf ifc; - char buf[BUFSIZ]; - - ifc.ifc_len = sizeof buf; - ifc.ifc_buf = buf; - - // Get interface structure and initialize the addresses using UNIX - // techniques - if (ACE_OS::ioctl (s, SIOCGIFCONF, (char *) &ifc) == -1) - ACE_ERROR_RETURN ((LM_ERROR, "%p\n", - "ACE::get_bcast_addr: ioctl (get interface configuration)"), - -1); - - struct ifreq *ifr = ifc.ifc_req; - - struct sockaddr_in ip_addr; - - // Get host ip address if necessary. - if (host_name) - { - hostent *hp = ACE_OS::gethostbyname (host_name); - - if (hp == 0) - return -1; - else - ACE_OS::memcpy ((char *) &ip_addr.sin_addr.s_addr, - (char *) hp->h_addr, - hp->h_length); - } - else - { - ACE_OS::memset ((void *) &ip_addr, 0, sizeof ip_addr); - ACE_OS::memcpy ((void *) &ip_addr.sin_addr, - (void*) &host_addr, - sizeof ip_addr.sin_addr); - } - - for (int n = ifc.ifc_len / sizeof (struct ifreq); - n > 0; - n--, ifr++) - { - struct sockaddr_in if_addr; - - // Compare host ip address with interface ip address. - ACE_OS::memcpy (&if_addr, &ifr->ifr_addr, sizeof if_addr); - - if (ip_addr.sin_addr.s_addr != if_addr.sin_addr.s_addr) - continue; - - if (ifr->ifr_addr.sa_family != AF_INET) - { - ACE_ERROR ((LM_ERROR, "%p\n", - "ACE::get_bcast_addr: Not AF_INET")); - continue; - } - - struct ifreq flags = *ifr; - struct ifreq if_req = *ifr; - - if (ACE_OS::ioctl (s, SIOCGIFFLAGS, (char *) &flags) == -1) - { - ACE_ERROR ((LM_ERROR, "%p\n", - "ACE::get_bcast_addr: ioctl (get interface flags)")); - continue; - } - - if (ACE_BIT_DISABLED (flags.ifr_flags, IFF_UP)) - { - ACE_ERROR ((LM_ERROR, "%p\n", - "ACE::get_bcast_addr: Network interface is not up")); - continue; - } - - if (ACE_BIT_ENABLED (flags.ifr_flags, IFF_LOOPBACK)) - continue; - - if (ACE_BIT_ENABLED (flags.ifr_flags, IFF_BROADCAST)) - { - if (ACE_OS::ioctl (s, SIOCGIFBRDADDR, (char *) &if_req) == -1) - ACE_ERROR ((LM_ERROR, "%p\n", - "ACE::get_bcast_addr: ioctl (get broadaddr)")); - else - { - ACE_OS::memcpy ((struct sockaddr_in *) &ip_addr, - (struct sockaddr_in *) &if_req.ifr_broadaddr, - sizeof if_req.ifr_broadaddr); - - ACE_OS::memcpy ((void *) &host_addr, - (void *) &ip_addr.sin_addr, - sizeof host_addr); - - if (handle == ACE_INVALID_HANDLE) - ACE_OS::close (s); - bcast_addr = host_addr; - return 0; - } - } - else - ACE_ERROR ((LM_ERROR, "%p\n", - "ACE::get_bcast_addr: Broadcast is not enable for this interface.")); - - if (handle == ACE_INVALID_HANDLE) - ACE_OS::close (s); - bcast_addr = host_addr; - return 0; - } - - return 0; -#else - ACE_UNUSED_ARG (handle); - ACE_UNUSED_ARG (host_addr); - ACE_UNUSED_ARG (host_name); - bcast_addr = (ACE_UINT32 (INADDR_BROADCAST)); - return 0; -#endif /* !ACE_WIN32 */ -} - -// Helper routine for get_ip_interfaces, differs by UNIX platform so -// put into own subroutine. perform some ioctls to retrieve ifconf -// list of ifreq structs. - -int -ACE::count_interfaces (ACE_HANDLE handle, - size_t &how_many) -{ -#if defined (sparc) && defined (SIOCGIFNUM) - if (ACE_OS::ioctl (handle, SIOCGIFNUM, (caddr_t) &how_many) == -1) - ACE_ERROR_RETURN ((LM_ERROR, "ACE::get_ip_interfaces:ioctl - SIOCGIFNUM failed"), -1); - return 0; -#elif defined (__unix) || defined (__Lynx__) -/* Note: DEC CXX doesn't define "unix" */ -// BSD compatible OS: HP UX, AIX, SunOS 4.x perform some ioctls to -// retrieve ifconf list of ifreq structs no SIOCGIFNUM on SunOS 4.x, -// so use guess and scan algorithm - - const int MAX_IF = 50; // probably hard to put this many ifs in a unix box.. - int num_ifs = MAX_IF; // HACK - set to an unreasonable number - struct ifconf ifcfg; - struct ifreq *p_ifs = 0; - size_t ifreq_size = 0; - - ifreq_size = num_ifs * sizeof (struct ifreq); - p_ifs = (struct ifreq *) ACE_OS::malloc (ifreq_size); - - if (!p_ifs) - { - errno = ENOMEM; - return -1; - } - - ACE_OS::memset (p_ifs, 0, ifreq_size); - ACE_OS::memset (&ifcfg, 0, sizeof (struct ifconf)); - ifcfg.ifc_req = p_ifs; - ifcfg.ifc_len = ifreq_size; - - if (ACE_OS::ioctl (handle, SIOCGIFCONF, (caddr_t) &ifcfg) == -1) - { - ACE_OS::free (ifcfg.ifc_req); - ACE_ERROR_RETURN ((LM_ERROR, "count_interfaces:ioctl - SIOCGIFCONF failed"), -1); - } - - int if_count = 0, i ; - - // get if address out of ifreq buffers. - // ioctl puts a blank-named interface to mark the end of the - // returned interfaces. - for (i = 0; i < num_ifs; p_ifs++, i++) - { - if (p_ifs->ifr_name[0] == '\0') - break; - if_count++; - } - - ACE_OS::free (ifcfg.ifc_req); - how_many = if_count; - return 0; -#else - ACE_UNUSED_ARG (handle); - ACE_UNUSED_ARG (how_many); - ACE_NOTSUP_RETURN (-1);; // no implmentation -#endif /* sparc && SIOCGIFNUM */ -} - -// Routine to return a handle from which ioctl() requests can be -// made. - -ACE_HANDLE -ACE::get_handle (void) -{ -// Solaris 2.x - ACE_HANDLE handle = ACE_INVALID_HANDLE; -#if defined (sparc) - handle = ACE_OS::open ("/dev/udp", O_RDONLY); -#elif defined (__unix) || defined (__Lynx__) /* Note: DEC CXX doesn't define "unix" */ -// BSD compatible OS: HP UX, AIX, SunOS 4.x - handle = ACE_OS::socket (PF_INET, SOCK_DGRAM, 0); -#endif /* sparc */ - return handle; -} - -#if defined (ACE_WIN32) -// Return value in buffer for a key/name pair from the Windows -// Registry up to buf_len size. - -static int -get_reg_value (const TCHAR *key, - const TCHAR *name, - TCHAR *buffer, - DWORD &buf_len) -{ - HKEY hk; - DWORD buf_type; - LONG rc = ::RegOpenKeyEx (HKEY_LOCAL_MACHINE, key, 0, KEY_READ, &hk); - - // 1. open key that defines the interfaces used for TCP/IP? - if (rc != ERROR_SUCCESS) - // print_error_string(TEXT("RegOpenKeyEx"), rc); - return -1; - - rc = ::RegQueryValueEx (hk, name, 0, &buf_type, - (u_char *) buffer, &buf_len); - - if (rc != ERROR_SUCCESS) - { - // print_error_string(TEXT("RegEnumKeyEx"), rc); - RegCloseKey (hk); - return -2; - } - - ::RegCloseKey (hk); - return 0; -} -#endif /* ACE_WIN32 */ - -// return an array of all configured IP interfaces on this host, count -// rc = 0 on success (count == number of interfaces else -1 caller is -// responsible for calling delete [] on parray - -int -ACE::get_ip_interfaces (size_t &count, - ACE_INET_Addr *&addrs) -{ - ACE_TRACE ("ACE::get_ip_interfaces"); - -#if defined (ACE_WIN32) - const TCHAR *SVCS_KEY1 = __TEXT ("SYSTEM\\CurrentControlSet\\Services\\"); - const TCHAR *LINKAGE_KEY1 = - __TEXT ("SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Linkage"); - const TCHAR *TCP_PARAM_SUBKEY = __TEXT ("\\Parameters\\Tcpip"); - const TCHAR *BIND_NAME_ID = __TEXT ("Bind"); - const TCHAR *IPADDR_NAME_ID = __TEXT ("IPAddress"); - const TCHAR *INVALID_TCPIP_DEVICE_ADDR = __TEXT ("0.0.0.0"); - const int MAX_STRING_SZ = 4096; - - TCHAR raw_buffer[ACE_MAX_FULLY_QUALIFIED_NAME_LEN + 1]; - DWORD raw_buflen = ACE_MAX_FULLY_QUALIFIED_NAME_LEN + 1; - TCHAR buffer[ACE_MAX_FULLY_QUALIFIED_NAME_LEN + 1]; - DWORD buf_len = ACE_MAX_FULLY_QUALIFIED_NAME_LEN + 1; - - if (::get_reg_value (LINKAGE_KEY1, - BIND_NAME_ID, - raw_buffer, - raw_buflen)) - return -1; - // return buffer contains NULL delimited strings - - ACE_Tokenizer dev_names (raw_buffer); - dev_names.delimiter (__TEXT('\0')); - int n_interfaces = 0; - - // Count the number of interfaces - while (dev_names.next () != NULL) - n_interfaces ++; - - // case 1. no interfaces present, empty string? OS version change? - if (n_interfaces == 0) - return 0; - - ACE_NEW_RETURN (addrs, ACE_INET_Addr[n_interfaces], -2); - - count = 0; - for (int i = 0; i < n_interfaces; i++) - { - - // a. construct name to access IPAddress for this interface - ACE_TEXT_STRING ifdevkey (SVCS_KEY1); - ACE_TEXT_STRING the_dev = dev_names.next (); - - // chop off the "\Device" and keep last name. - if (the_dev.length() < 8) - return -3; // Something's wrong - else - { - the_dev = the_dev.substring (8); // rest of string from offset 8 - ifdevkey += the_dev; - ifdevkey += TCP_PARAM_SUBKEY; - - // b. extract value - if (get_reg_value (ifdevkey.fast_rep (), IPADDR_NAME_ID, buffer, buf_len)) - return -4; - - if (ACE_OS::strcmp (buffer, INVALID_TCPIP_DEVICE_ADDR) == 0) - continue; // Don't count this device - - // c. store in hostinfo object array and up the counter - addrs[count++] = ACE_INET_Addr ((u_short) 0, - ASYS_MULTIBYTE_STRING (buffer)); - } - } - return 0; -#elif defined (__unix) || defined (__Lynx__) - // COMMON (SVR4 and BSD) UNIX CODE - - size_t num_ifs; - - ACE_HANDLE handle = get_handle(); // call specific routine as necessary - - if (handle == ACE_INVALID_HANDLE) - ACE_ERROR_RETURN ((LM_ERROR, ASYS_TEXT ("%p\n"), ASYS_TEXT ("ACE::get_ip_interfaces:open")), -1); - - if (ACE::count_interfaces (handle, num_ifs)) - { - ACE_OS::close (handle); - return -1; - } - - // ioctl likes to have an extra ifreq structure to mark the end of what it - // returned, so increase the num_ifs by one. - ++num_ifs; - - struct ifreq *ifs; - ACE_NEW_RETURN (ifs, struct ifreq[num_ifs], -1); - ACE_OS::memset (ifs, 0, num_ifs * sizeof (struct ifreq)); - ACE_Auto_Array_Ptr<struct ifreq> p_ifs (ifs); - - if (p_ifs.get() == 0) - { - ACE_OS::close (handle); - errno = ENOMEM; - return -1; - } - - struct ifconf ifcfg; - ACE_OS::memset (&ifcfg, 0, sizeof (struct ifconf)); - ifcfg.ifc_req = p_ifs.get (); - ifcfg.ifc_len = num_ifs * sizeof (struct ifreq); - - if (ACE_OS::ioctl (handle, SIOCGIFCONF, (caddr_t) &ifcfg) == -1) - { - ACE_OS::close (handle); - ACE_ERROR_RETURN ((LM_ERROR, ASYS_TEXT ("%p\n"), ASYS_TEXT ("is_address_local:ioctl - SIOCGIFCONF failed")), -1); - } - - ACE_OS::close (handle); - - // ------------ now create and initialize output array ------------- - - ACE_NEW_RETURN (addrs, ACE_INET_Addr[num_ifs], -1); // caller must free - - struct ifreq *pcur = p_ifs.get (); - // Pull the address out of each INET interface. Not every interface is - // for IP, so be careful to count properly. When setting the INET_Addr, - // note that the 3rd arg (0) says to leave the byte order (already in net - // byte order from the interface structure) as is. - count = 0; - for (size_t i = 0; i < num_ifs; pcur++, i++) - { - if (pcur->ifr_addr.sa_family == AF_INET) - { - struct sockaddr_in *_addr_ = (struct sockaddr_in *)&(pcur->ifr_addr); - addrs[count].set ((u_short)0, _addr_->sin_addr.s_addr, 0); - count++; - } - } - return 0; -#else - ACE_UNUSED_ARG (count); - ACE_UNUSED_ARG (addrs); - ACE_NOTSUP_RETURN (-1);; // no implementation -#endif /* ACE_WIN32 */ -} - -#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) && (defined (__unix) || defined (__Lynx__)) -template class ACE_Auto_Array_Ptr<struct ifreq>; -template class ACE_Auto_Basic_Array_Ptr<struct ifreq>; -#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) -#pragma instantiate ACE_Auto_Array_Ptr<struct ifreq> -#pragma instantiate ACE_Auto_Basic_Array_Ptr<struct ifreq> -#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION && (__unix || __Lynx_) */ |