polardbxengine/plugin/innodb_memcached/daemon_memcached/win32/win32.c

315 lines
9.6 KiB
C

/* Copyright (c) 1983, 1990, 1993
* The Regents of the University of California. All rights reserved.
*
* 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.
*
* Portions Copyright (c) 1993 by Digital Equipment Corporation.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies, and that
* the name of Digital Equipment Corporation not be used in advertising or
* publicity pertaining to distribution of the document or software without
* specific, written prior permission.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*
*/
#include "win32.h"
#include <limits.h>
#include <ctype.h>
#include <time.h>
#include <signal.h>
/*
* Check whether "cp" is a valid ascii representation
* of an Internet address and convert to a binary address.
* Returns 1 if the address is valid, 0 if not.
* This replaces inet_addr, the return value from which
* cannot distinguish between failure and a local broadcast address.
*/
int inet_aton(register const char *cp, struct in_addr *addr)
{
register uint32_t val;
register int base, n;
register char c;
u_int parts[4];
register u_int *pp = parts;
c = *cp;
for (;;) {
/*
* Collect number up to ``.''.
* Values are specified as for C:
* 0x=hex, 0=octal, isdigit=decimal.
*/
if (!isdigit(c))
return (0);
val = 0; base = 10;
if (c == '0') {
c = *++cp;
if (c == 'x' || c == 'X')
base = 16, c = *++cp;
else
base = 8;
}
for (;;) {
if (isascii(c) && isdigit(c)) {
val = (val * base) + (c - '0');
c = *++cp;
} else if (base == 16 && isascii(c) && isxdigit(c)) {
val = (val << 4) |
(c + 10 - (islower(c) ? 'a' : 'A'));
c = *++cp;
} else
break;
}
if (c == '.') {
/*
* Internet format:
* a.b.c.d
* a.b.c (with c treated as 16 bits)
* a.b (with b treated as 24 bits)
*/
if (pp >= parts + 3)
return (0);
*pp++ = val;
c = *++cp;
} else
break;
}
/*
* Check for trailing characters.
*/
if (c != '\0' && (!isascii(c) || !isspace(c)))
return (0);
/*
* Concoct the address according to
* the number of parts specified.
*/
n = pp - parts + 1;
switch (n) {
case 0:
return (0); /* initial nondigit */
case 1: /* a -- 32 bits */
break;
case 2: /* a.b -- 8.24 bits */
if (val > 0xffffff)
return (0);
val |= parts[0] << 24;
break;
case 3: /* a.b.c -- 8.8.16 bits */
if (val > 0xffff)
return (0);
val |= (parts[0] << 24) | (parts[1] << 16);
break;
case 4: /* a.b.c.d -- 8.8.8.8 bits */
if (val > 0xff)
return (0);
val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8);
break;
}
if (addr)
addr->s_addr = htonl(val);
return (1);
}
unsigned __int64 strtoull(const char *p,char **pend,int base) {
unsigned __int64 number = 0;
int c;
int error;
while (('\b' == *p) || ('\t' == *p)) // skip leading white space
p++;
if (*p == '+')
p++;
switch (base) {
case 0:
base = 10; // assume decimal base
if (*p == '0') {
base = 8; // could be octal
p++;
switch (*p) {
case 'x':
case 'X':
base = 16; // hex
p++;
break;
#if BINARY
case 'b':
case 'B':
base = 2; // binary
p++;
break;
#endif
}
}
break;
case 16: // skip over '0x' and '0X'
if (*p == '0' && (p[1] == 'x' || p[1] == 'X'))
p += 2;
break;
#if BINARY
case 2: // skip over '0b' and '0B'
if (*p == '0' && (p[1] == 'b' || p[1] == 'B'))
p += 2;
break;
#endif
}
error = 0;
while (1) {
c = *p;
if ('0' <= c && c <= '9')
c -= '0';
else if ('a' <= c && c <= 'z')
c -= 'a' - 10;
else if ('A' <= c && c <= 'Z')
c -= 'A' - 10;
else // unrecognized character
break;
if (c >= base) // not in number base
break;
if ((ULLONG_MAX - c) / base < number)
error = 1;
number = number * base + c;
p++;
}
if (pend)
*pend = (char *)p;
if (error) {
number = ULLONG_MAX;
errno = ERANGE;
}
return number;
}
int getrusage(int who, struct rusage * rusage) {
FILETIME starttime;
FILETIME exittime;
FILETIME kerneltime;
FILETIME usertime;
ULARGE_INTEGER li;
if (rusage == (struct rusage *)NULL) {
errno = EFAULT;
return -1;
}
memset(rusage, 0, sizeof(struct rusage));
if (GetProcessTimes(GetCurrentProcess(),
&starttime, &exittime, &kerneltime,
&usertime) == 0) {
/* Where is dosmaperr declared. Will address later. */
/* _dosmaperr(GetLastError()); */
return -1;
}
/* Convert FILETIMEs (0.1 us) to struct timeval */
memcpy(&li, &kerneltime, sizeof(FILETIME));
li.QuadPart /= 10L; /* Convert to microseconds */
rusage->ru_stime.tv_sec = (long)(li.QuadPart / 1000000L);
rusage->ru_stime.tv_usec = li.QuadPart % 1000000L;
memcpy(&li, &usertime, sizeof(FILETIME));
li.QuadPart /= 10L; /* Convert to microseconds */
rusage->ru_utime.tv_sec = (long)(li.QuadPart / 1000000L);
rusage->ru_utime.tv_usec = li.QuadPart % 1000000L;
return(0);
}
int sleep(int seconds) {
Sleep(seconds*1000);
return 0;
}
int kill(int pid, int sig) {
if (TerminateProcess((HANDLE)pid, 0))
return 0;
return -1;
}
int spawn_memcached(int argc, char **argv) {
char buffer[4096];
int offset=0;
for (int ii = 0; ii < argc; ++ii) {
if (strcmp("-d", argv[ii]) != 0) {
offset += snprintf(buffer + offset, sizeof(buffer) - offset,
"%s ", argv[ii]);
}
}
STARTUPINFO sinfo = { .cb = sizeof(sinfo) };
PROCESS_INFORMATION pinfo;
if (CreateProcess(argv[0], buffer, NULL, NULL, false,
CREATE_NEW_PROCESS_GROUP | CREATE_NO_WINDOW,
NULL, NULL, &sinfo, &pinfo)) {
exit(0);
}
return -1;
}
extern int sigaction(int sig, struct sigaction *act, struct sigaction *oact)
{
if (sig == SIGHUP) {
return 0;
}
void (*ret)(int) = signal(sig, act->sa_handler);
if (oact != NULL) {
oact->sa_handler = ret;
}
if (ret == SIG_ERR) {
return -1;
}
return 0;
}
void initialize_sockets(void)
{
WSADATA wsaData;
if (WSAStartup(MAKEWORD(2,0), &wsaData) != 0) {
fprintf(stderr, "Socket Initialization Error. Program aborted\n");
exit(EXIT_FAILURE);
}
}