* directory or online at http://www.openafs.org/dl/license10.html
*/
+/* String conversion routines have the following copyright */
+
+/*
+ * Copyright (c) 2002 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * 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. Neither the name of the Institute 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 INSTITUTE 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 INSTITUTE 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.
+ */
+
#include <afsconfig.h>
#ifdef KERNEL
-#include "../afs/param.h"
+#include "afs/param.h"
#else
#include <afs/param.h>
#endif
-RCSID("$Header$");
#ifdef KERNEL
-#include "../afs/sysincludes.h"
-#include "../afs/afsincludes.h"
+#include "afs/sysincludes.h"
+#include "afsincludes.h"
#define uuid_memcmp(A,B,C) memcmp(A, B, C)
#define uuid_memcpy(A,B,C) memcpy(A, B, C)
#else /* KERNEL */
#include <stdio.h>
#include <errno.h>
+#include <string.h>
#ifdef AFS_NT40_ENV
#include <winsock2.h>
#include <process.h>
#include <sys/time.h>
#endif /* ITIMER_REAL */
#include <net/if.h>
-#ifdef HAVE_STRING_H
-#include <string.h>
-#else
-#ifdef HAVE_STRINGS_H
-#include <strings.h>
-#endif
-#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
typedef struct {
- char eaddr[6]; /* 6 bytes of ethernet hardware address */
+ char eaddr[6]; /* 6 bytes of ethernet hardware address */
} uuid_address_t, *uuid_address_p_t;
typedef struct {
- afs_uint32 lo;
- afs_uint32 hi;
+ afs_uint32 lo;
+ afs_uint32 hi;
} uuid_time_t, *uuid_time_p_t;
-static int uuid_get_address (uuid_address_p_t addr);
-void uuid__get_os_time (uuid_time_t *os_time);
+static int uuid_get_address(uuid_address_p_t addr);
+void uuid__get_os_time(uuid_time_t * os_time);
/*
* |<------------------------- 32 bits -------------------------->|
static afs_uint32 rand_m, rand_ia, rand_ib, rand_irand, uuid_init_done = 0;
#define uuid_create_nil(uuid) memset(uuid, 0, sizeof(afsUUID))
-afs_int32 afs_uuid_equal(u1, u2) afsUUID *u1, *u2; { return(uuid_memcmp((void *)u1, (void *)u2, sizeof (afsUUID)) == 0); }
-afs_int32 afs_uuid_is_nil(u1) afsUUID *u1; {
- if (!u1) return 1;
- return(uuid_memcmp((void *)u1, (void *)&afs_uuid_g_nil_uuid, sizeof (afsUUID)) == 0);
+
+afs_int32
+afs_uuid_equal(afsUUID * u1, afsUUID * u2)
+{
+ return (uuid_memcmp((void *)u1, (void *)u2, sizeof(afsUUID)) == 0);
}
+afs_int32
+afs_uuid_is_nil(afsUUID * u1)
+{
+ if (!u1)
+ return 1;
+ return (uuid_memcmp
+ ((void *)u1, (void *)&afs_uuid_g_nil_uuid, sizeof(afsUUID)) == 0);
+}
-void afs_htonuuid(uuidp)
-afsUUID *uuidp; {
+void
+afs_htonuuid(afsUUID * uuidp)
+{
uuidp->time_low = htonl(uuidp->time_low);
uuidp->time_mid = htons(uuidp->time_mid);
uuidp->time_hi_and_version = htons(uuidp->time_hi_and_version);
}
-void afs_ntohuuid(uuidp)
-afsUUID *uuidp; {
+void
+afs_ntohuuid(afsUUID * uuidp)
+{
uuidp->time_low = ntohl(uuidp->time_low);
uuidp->time_mid = ntohs(uuidp->time_mid);
uuidp->time_hi_and_version = ntohs(uuidp->time_hi_and_version);
}
-
-static u_short true_random () {
+
+static u_short
+true_random(void)
+{
rand_m += 7;
rand_ia += 1907;
rand_ib += 73939;
- if (rand_m >= 9973) rand_m -= 9871;
- if (rand_ia >= 99991) rand_ia -= 89989;
- if (rand_ib >= 224729) rand_ib -= 96233;
+ if (rand_m >= 9973)
+ rand_m -= 9871;
+ if (rand_ia >= 99991)
+ rand_ia -= 89989;
+ if (rand_ib >= 224729)
+ rand_ib -= 96233;
rand_irand = (rand_irand * rand_m) + rand_ia + rand_ib;
return (((rand_irand) >> 16) ^ (rand_irand & 0x3fff));
}
-static afs_int32 time_cmp (time1, time2)
-uuid_time_p_t time1;
-uuid_time_p_t time2; {
- if (time1->hi < time2->hi) return (-1);
- if (time1->hi > time2->hi) return (1);
- if (time1->lo < time2->lo) return (-1);
- if (time1->lo > time2->lo) return (1);
+static afs_int32
+time_cmp(uuid_time_p_t time1, uuid_time_p_t time2)
+{
+ if (time1->hi < time2->hi)
+ return (-1);
+ if (time1->hi > time2->hi)
+ return (1);
+ if (time1->lo < time2->lo)
+ return (-1);
+ if (time1->lo > time2->lo)
+ return (1);
return (0);
}
* Converts a string UUID to binary representation.
*/
+#if !defined(KERNEL) && !defined(UKERNEL)
int
-afsUUID_from_string(const char *str, afsUUID *uuid)
+afsUUID_from_string(const char *str, afsUUID * uuid)
{
unsigned int time_low, time_mid, time_hi_and_version;
unsigned int clock_seq_hi_and_reserved, clock_seq_low;
int i;
i = sscanf(str, "%08x-%04x-%04x-%02x-%02x-%02x%02x%02x%02x%02x%02x",
- &time_low,
- &time_mid,
- &time_hi_and_version,
- &clock_seq_hi_and_reserved,
- &clock_seq_low,
- &node[0], &node[1], &node[2], &node[3], &node[4], &node[5]);
+ &time_low, &time_mid, &time_hi_and_version,
+ &clock_seq_hi_and_reserved, &clock_seq_low, &node[0], &node[1],
+ &node[2], &node[3], &node[4], &node[5]);
if (i != 11)
- return -1;
-
+ return -1;
+
uuid->time_low = time_low;
uuid->time_mid = time_mid;
uuid->time_hi_and_version = time_hi_and_version;
uuid->clock_seq_low = clock_seq_low;
for (i = 0; i < 6; i++)
- uuid->node[i] = node[i];
+ uuid->node[i] = node[i];
return 0;
}
*/
int
-afsUUID_to_string(const afsUUID *uuid, char *str, size_t strsz)
+afsUUID_to_string(const afsUUID * uuid, char *str, size_t strsz)
{
- snprintf(str, strsz,
- "%08x-%04x-%04x-%02x-%02x-%02x%02x%02x%02x%02x%02x",
- uuid->time_low,
- uuid->time_mid,
- uuid->time_hi_and_version,
- (unsigned char)uuid->clock_seq_hi_and_reserved,
- (unsigned char)uuid->clock_seq_low,
- (unsigned char)uuid->node[0],
- (unsigned char)uuid->node[1],
- (unsigned char)uuid->node[2],
- (unsigned char)uuid->node[3],
- (unsigned char)uuid->node[4],
- (unsigned char)uuid->node[5]);
+ snprintf(str, strsz, "%08x-%04x-%04x-%02x-%02x-%02x%02x%02x%02x%02x%02x",
+ uuid->time_low, uuid->time_mid, uuid->time_hi_and_version,
+ (unsigned char)uuid->clock_seq_hi_and_reserved,
+ (unsigned char)uuid->clock_seq_low, (unsigned char)uuid->node[0],
+ (unsigned char)uuid->node[1], (unsigned char)uuid->node[2],
+ (unsigned char)uuid->node[3], (unsigned char)uuid->node[4],
+ (unsigned char)uuid->node[5]);
return 0;
}
+#endif
-afs_int32 afs_uuid_create (uuid)
-afsUUID *uuid; {
+afs_int32
+afs_uuid_create(afsUUID * uuid)
+{
uuid_address_t eaddr;
afs_int32 got_no_time = 0, code;
if (!uuid_init_done) {
uuid_time_t t;
- u_short *seedp, seed=0;
+ u_short seedp[4], seed = 0;
rand_m = 971;;
rand_ia = 11113;
rand_ib = 104322;
* are multiple processes creating UUID's on a system, we add in the PID.
*/
uuid__get_os_time(&t);
- seedp = (u_short *)(&t);
- seed ^= *seedp++;
- seed ^= *seedp++;
- seed ^= *seedp++;
- seed ^= *seedp++;
- rand_irand += seed + (afs_uint32)getpid();
- uuid__get_os_time (&time_last);
+ memcpy(&seedp, &t, sizeof(seedp));
+ seed ^= seedp[0];
+ seed ^= seedp[1];
+ seed ^= seedp[2];
+ seed ^= seedp[3];
+#if defined(KERNEL) && defined(AFS_XBSD_ENV)
+ rand_irand += seed + (afs_uint32) curproc->p_pid;
+#elif defined(UKERNEL)
+ rand_irand += seed + (afs_uint32) osi_getpid();
+#else
+ rand_irand += seed + (afs_uint32) getpid();
+#endif
+ uuid__get_os_time(&time_last);
clock_seq = true_random();
#ifdef AFS_NT40_ENV
- if (afs_winsockInit()<0) {
+ if (afs_winsockInit() < 0) {
return WSAGetLastError();
}
-#endif
+#endif
uuid_init_done = 1;
}
- if ((code = uuid_get_address (&eaddr))) return code; /* get our hardware network address */
+ if ((code = uuid_get_address(&eaddr)))
+ return code; /* get our hardware network address */
do {
- /* get the current time */
- uuid__get_os_time (&time_now);
- /*
- * check that our clock hasn't gone backwards and handle it
- * accordingly with clock_seq
- * check that we're not generating uuid's faster than we
- * can accommodate with our uuid_time_adjust fudge factor
- */
- if ((code = time_cmp (&time_now, &time_last)) == -1) {
+ /* get the current time */
+ uuid__get_os_time(&time_now);
+ /*
+ * check that our clock hasn't gone backwards and handle it
+ * accordingly with clock_seq
+ * check that we're not generating uuid's faster than we
+ * can accommodate with our uuid_time_adjust fudge factor
+ */
+ if ((code = time_cmp(&time_now, &time_last)) == -1) {
/* A clock_seq value of 0 indicates that it hasn't been initialized. */
if (clock_seq == 0) {
clock_seq = true_random();
}
clock_seq = (clock_seq + 1) & 0x3fff;
- if (clock_seq == 0) clock_seq = clock_seq + 1;
+ if (clock_seq == 0)
+ clock_seq = clock_seq + 1;
uuid_time_adjust = 0;
} else if (code == 1) {
uuid_time_adjust = 0;
} else {
- if (uuid_time_adjust == 0x7fff) /* spin while we wait for the clock to tick */
+ if (uuid_time_adjust == 0x7fff) /* spin while we wait for the clock to tick */
got_no_time = 1;
else
uuid_time_adjust++;
- }
+ }
} while (got_no_time);
time_last.lo = time_now.lo;
time_last.hi = time_now.hi;
if (uuid_time_adjust != 0) {
if (time_now.lo & 0x80000000) {
time_now.lo += uuid_time_adjust;
- if (!(time_now.lo & 0x80000000)) time_now.hi++;
+ if (!(time_now.lo & 0x80000000))
+ time_now.hi++;
} else
time_now.lo += uuid_time_adjust;
}
uuid->clock_seq_low = clock_seq & 0xff;
uuid->clock_seq_hi_and_reserved = (clock_seq & 0x3f00) >> 8;
uuid->clock_seq_hi_and_reserved |= 0x80;
- uuid_memcpy ((void *)uuid->node, (void *)&eaddr, sizeof (uuid_address_t));
+ uuid_memcpy((void *)uuid->node, (void *)&eaddr, sizeof(uuid_address_t));
return 0;
}
-u_short afs_uuid_hash (uuid)
-afsUUID *uuid; {
- short c0=0, c1=0, x, y;
- char *next_uuid = (char *) uuid;
+u_short
+afs_uuid_hash(afsUUID * uuid)
+{
+ short c0 = 0, c1 = 0, x, y;
+ char *next_uuid = (char *)uuid;
/*
* For speed lets unroll the following loop:
/* Calculate the value for "First octet" of the hash */
x = -c1 % 255;
if (x < 0) {
- x = x + 255;
+ x = x + 255;
}
/* Calculate the value for "second octet" of the hash */
y = (c1 - c0) % 255;
if (y < 0) {
- y = y + 255;
+ y = y + 255;
}
return ((y * 256) + x);
}
extern struct interfaceAddr afs_cb_interface;
-static int uuid_get_address (uuid_address_p_t addr)
+static int
+uuid_get_address(uuid_address_p_t addr)
{
uuid_memcpy((void *)addr->eaddr, (void *)&afs_cb_interface.addr_in[0], 4);
addr->eaddr[4] = 0xaa;
return 0;
}
-void uuid__get_os_time (uuid_time_t *os_time)
+void
+uuid__get_os_time(uuid_time_t * os_time)
{
- struct timeval tp;
+ osi_timeval_t tp;
osi_GetTime(&tp);
os_time->hi = tp.tv_sec;
- os_time->lo = tp.tv_usec*10;
+ os_time->lo = tp.tv_usec * 10;
}
#else /* KERNEL */
char hostName1[128] = "localhost";
-static int uuid_get_address (uuid_address_p_t addr)
+static int
+uuid_get_address(uuid_address_p_t addr)
{
afs_int32 code;
afs_uint32 addr1;
}
he = gethostbyname(hostName1);
if (!he) {
- printf("Can't find address for '%s'\n", hostName1);
+ printf("Can't find address for '%s'\n", hostName1);
#ifdef AFS_NT40_ENV
return ENOENT;
#else
return errno;
#endif
} else {
- uuid_memcpy(&addr1, he->h_addr_list[0], 4);
- addr1 = ntohl(addr1);
- uuid_memcpy(addr->eaddr, &addr1, 4);
- addr->eaddr[4] = 0xaa;
- addr->eaddr[5] = 0x77;
+ uuid_memcpy(&addr1, he->h_addr_list[0], 4);
+ addr1 = ntohl(addr1);
+ uuid_memcpy(addr->eaddr, &addr1, 4);
+ addr->eaddr[4] = 0xaa;
+ addr->eaddr[5] = 0x77;
#ifdef UUID_DEBUG
- printf ("uuid_get_address: %02x-%02x-%02x-%02x-%02x-%02x\n",
- addr->eaddr[0], addr->eaddr[1], addr->eaddr[2],
- addr->eaddr[3], addr->eaddr[4], addr->eaddr[5]);
+ printf("uuid_get_address: %02x-%02x-%02x-%02x-%02x-%02x\n",
+ addr->eaddr[0], addr->eaddr[1], addr->eaddr[2], addr->eaddr[3],
+ addr->eaddr[4], addr->eaddr[5]);
#endif
}
return 0;
}
-void uuid__get_os_time (uuid_time_t *os_time)
+void
+uuid__get_os_time(uuid_time_t * os_time)
{
- struct timeval tp;
+ struct timeval tp;
- if (gettimeofday (&tp, (struct timezone *) 0)) {
- perror ("uuid__get_time");
- exit (-1);
+ if (gettimeofday(&tp, NULL)) {
+ perror("uuid__get_time");
+ exit(-1);
}
os_time->hi = tp.tv_sec;
- os_time->lo = tp.tv_usec*10;
+ os_time->lo = tp.tv_usec * 10;
}
#endif /* KERNEL */
git://git.openafs.org / openafs.git / blobdiff