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-rw-r--r--libglusterfs/src/common-utils.c414
-rw-r--r--libglusterfs/src/common-utils.h1
2 files changed, 221 insertions, 194 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index eef865e..f3386fe 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -72,10 +72,10 @@ log_base2 (unsigned long x)
int32_t
-gf_resolve_ip6 (const char *hostname,
- uint16_t port,
- int family,
- void **dnscache,
+gf_resolve_ip6 (const char *hostname,
+ uint16_t port,
+ int family,
+ void **dnscache,
struct addrinfo **addr_info)
{
int32_t ret = 0;
@@ -189,18 +189,18 @@ gf_log_volume_file (FILE *specfp)
extern FILE *gf_log_logfile;
int lcount = 0;
char data[GF_UNIT_KB];
-
+
fseek (specfp, 0L, SEEK_SET);
-
+
fprintf (gf_log_logfile, "Given volfile:\n");
- fprintf (gf_log_logfile,
+ fprintf (gf_log_logfile,
"+---------------------------------------"
"---------------------------------------+\n");
while (fgets (data, GF_UNIT_KB, specfp) != NULL){
lcount++;
fprintf (gf_log_logfile, "%3d: %s", lcount, data);
}
- fprintf (gf_log_logfile,
+ fprintf (gf_log_logfile,
"\n+---------------------------------------"
"---------------------------------------+\n");
fflush (gf_log_logfile);
@@ -419,28 +419,28 @@ char *
gf_trim (char *string)
{
register char *s, *t;
-
+
if (string == NULL)
{
return NULL;
}
-
+
for (s = string; isspace (*s); s++)
;
-
+
if (*s == 0)
return s;
-
+
t = s + strlen (s) - 1;
while (t > s && isspace (*t))
t--;
*++t = '\0';
-
+
return s;
}
-int
-gf_strsplit (const char *str, const char *delim,
+int
+gf_strsplit (const char *str, const char *delim,
char ***tokens, int *token_count)
{
char *_running = NULL;
@@ -450,57 +450,57 @@ gf_strsplit (const char *str, const char *delim,
int count = 0;
int i = 0;
int j = 0;
-
+
if (str == NULL || delim == NULL || tokens == NULL || token_count == NULL)
{
return -1;
}
-
+
_running = gf_strdup (str);
if (_running == NULL)
{
return -1;
}
running = _running;
-
+
while ((token = strsep (&running, delim)) != NULL)
{
if (token[0] != '\0')
count++;
}
GF_FREE (_running);
-
+
_running = gf_strdup (str);
if (_running == NULL)
{
return -1;
}
running = _running;
-
+
if ((token_list = GF_CALLOC (count, sizeof (char *),
gf_common_mt_char)) == NULL)
{
GF_FREE (_running);
return -1;
}
-
+
while ((token = strsep (&running, delim)) != NULL)
{
if (token[0] == '\0')
continue;
-
+
token_list[i] = gf_strdup (token);
if (token_list[i] == NULL)
goto free_exit;
i++;
}
-
+
GF_FREE (_running);
-
+
*tokens = token_list;
*token_count = count;
return 0;
-
+
free_exit:
GF_FREE (_running);
for (j = 0; j < i; j++)
@@ -511,7 +511,7 @@ free_exit:
return -1;
}
-int
+int
gf_strstr (const char *str, const char *delim, const char *match)
{
char *tmp = NULL;
@@ -551,41 +551,41 @@ int
gf_volume_name_validate (const char *volume_name)
{
const char *vname = NULL;
-
+
if (volume_name == NULL)
{
return -1;
}
-
+
if (!isalpha (volume_name[0]))
{
return 1;
}
-
+
for (vname = &volume_name[1]; *vname != '\0'; vname++)
{
if (!(isalnum (*vname) || *vname == '_'))
return 1;
}
-
+
return 0;
}
-int
+int
gf_string2time (const char *str, uint32_t *n)
{
unsigned long value = 0;
char *tail = NULL;
int old_errno = 0;
const char *s = NULL;
-
+
if (str == NULL || n == NULL)
{
errno = EINVAL;
return -1;
}
-
+
for (s = str; *s != '\0'; s++)
{
if (isspace (*s))
@@ -598,48 +598,48 @@ gf_string2time (const char *str, uint32_t *n)
}
break;
}
-
+
old_errno = errno;
errno = 0;
value = strtol (str, &tail, 0);
-
+
if (errno == ERANGE || errno == EINVAL)
{
return -1;
}
-
+
if (errno == 0)
{
errno = old_errno;
}
-
- if (!((tail[0] == '\0') ||
+
+ if (!((tail[0] == '\0') ||
((tail[0] == 's') && (tail[1] == '\0')) ||
((tail[0] == 's') && (tail[1] == 'e') && (tail[2] == 'c') && (tail[3] == '\0'))))
{
return -1;
}
-
+
*n = value;
-
+
return 0;
}
-int
+int
gf_string2percent (const char *str, uint32_t *n)
{
unsigned long value = 0;
char *tail = NULL;
int old_errno = 0;
const char *s = NULL;
-
+
if (str == NULL || n == NULL)
{
errno = EINVAL;
return -1;
}
-
+
for (s = str; *s != '\0'; s++)
{
if (isspace (*s))
@@ -652,55 +652,55 @@ gf_string2percent (const char *str, uint32_t *n)
}
break;
}
-
+
old_errno = errno;
errno = 0;
value = strtol (str, &tail, 0);
-
+
if (errno == ERANGE || errno == EINVAL)
{
return -1;
}
-
+
if (errno == 0)
{
errno = old_errno;
}
-
- if (!((tail[0] == '\0') ||
+
+ if (!((tail[0] == '\0') ||
((tail[0] == '%') && (tail[1] == '\0'))))
{
return -1;
}
-
+
*n = value;
-
+
return 0;
}
-static int
+static int
_gf_string2long (const char *str, long *n, int base)
{
long value = 0;
char *tail = NULL;
int old_errno = 0;
-
+
if (str == NULL || n == NULL)
{
errno = EINVAL;
return -1;
}
-
+
old_errno = errno;
errno = 0;
value = strtol (str, &tail, base);
-
+
if (errno == ERANGE || errno == EINVAL)
{
return -1;
}
-
+
if (errno == 0)
{
errno = old_errno;
@@ -711,26 +711,26 @@ _gf_string2long (const char *str, long *n, int base)
/* bala: invalid integer format */
return -1;
}
-
+
*n = value;
-
+
return 0;
}
-static int
+static int
_gf_string2ulong (const char *str, unsigned long *n, int base)
{
unsigned long value = 0;
char *tail = NULL;
int old_errno = 0;
const char *s = NULL;
-
+
if (str == NULL || n == NULL)
{
errno = EINVAL;
return -1;
}
-
+
for (s = str; *s != '\0'; s++)
{
if (isspace (*s))
@@ -739,52 +739,52 @@ _gf_string2ulong (const char *str, unsigned long *n, int base)
}
if (*s == '-')
{
- /* bala: we do not support suffixed (-) sign and
+ /* bala: we do not support suffixed (-) sign and
invalid integer format */
return -1;
}
break;
}
-
+
old_errno = errno;
errno = 0;
value = strtoul (str, &tail, base);
-
+
if (errno == ERANGE || errno == EINVAL)
{
return -1;
}
-
+
if (errno == 0)
{
errno = old_errno;
}
-
+
if (tail[0] != '\0')
{
/* bala: invalid integer format */
return -1;
}
-
+
*n = value;
-
+
return 0;
}
-static int
+static int
_gf_string2uint (const char *str, unsigned int *n, int base)
{
unsigned long value = 0;
char *tail = NULL;
int old_errno = 0;
const char *s = NULL;
-
+
if (str == NULL || n == NULL)
{
errno = EINVAL;
return -1;
}
-
+
for (s = str; *s != '\0'; s++)
{
if (isspace (*s))
@@ -793,123 +793,123 @@ _gf_string2uint (const char *str, unsigned int *n, int base)
}
if (*s == '-')
{
- /* bala: we do not support suffixed (-) sign and
+ /* bala: we do not support suffixed (-) sign and
invalid integer format */
return -1;
}
break;
}
-
+
old_errno = errno;
errno = 0;
value = strtoul (str, &tail, base);
-
+
if (errno == ERANGE || errno == EINVAL)
{
return -1;
}
-
+
if (errno == 0)
{
errno = old_errno;
}
-
+
if (tail[0] != '\0')
{
/* bala: invalid integer format */
return -1;
}
-
+
*n = (unsigned int)value;
-
+
return 0;
}
-static int
+static int
_gf_string2double (const char *str, double *n)
{
double value = 0.0;
char *tail = NULL;
int old_errno = 0;
-
+
if (str == NULL || n == NULL) {
errno = EINVAL;
return -1;
}
-
+
old_errno = errno;
errno = 0;
value = strtod (str, &tail);
-
+
if (errno == ERANGE || errno == EINVAL) {
return -1;
}
-
+
if (errno == 0) {
errno = old_errno;
}
-
+
if (tail[0] != '\0') {
return -1;
}
-
+
*n = value;
-
+
return 0;
}
-static int
+static int
_gf_string2longlong (const char *str, long long *n, int base)
{
long long value = 0;
char *tail = NULL;
int old_errno = 0;
-
+
if (str == NULL || n == NULL)
{
errno = EINVAL;
return -1;
}
-
+
old_errno = errno;
errno = 0;
value = strtoll (str, &tail, base);
-
+
if (errno == ERANGE || errno == EINVAL)
{
return -1;
}
-
+
if (errno == 0)
{
errno = old_errno;
}
-
+
if (tail[0] != '\0')
{
/* bala: invalid integer format */
return -1;
}
-
+
*n = value;
-
+
return 0;
}
-static int
+static int
_gf_string2ulonglong (const char *str, unsigned long long *n, int base)
{
unsigned long long value = 0;
char *tail = NULL;
int old_errno = 0;
const char *s = NULL;
-
+
if (str == NULL || n == NULL)
{
errno = EINVAL;
return -1;
}
-
+
for (s = str; *s != '\0'; s++)
{
if (isspace (*s))
@@ -918,57 +918,57 @@ _gf_string2ulonglong (const char *str, unsigned long long *n, int base)
}
if (*s == '-')
{
- /* bala: we do not support suffixed (-) sign and
+ /* bala: we do not support suffixed (-) sign and
invalid integer format */
return -1;
}
break;
}
-
+
old_errno = errno;
errno = 0;
value = strtoull (str, &tail, base);
-
+
if (errno == ERANGE || errno == EINVAL)
{
return -1;
}
-
+
if (errno == 0)
{
errno = old_errno;
}
-
+
if (tail[0] != '\0')
{
/* bala: invalid integer format */
return -1;
}
-
+
*n = value;
-
+
return 0;
}
-int
+int
gf_string2long (const char *str, long *n)
{
return _gf_string2long (str, n, 0);
}
-int
+int
gf_string2ulong (const char *str, unsigned long *n)
{
return _gf_string2ulong (str, n, 0);
}
-int
+int
gf_string2int (const char *str, int *n)
{
return _gf_string2long (str, (long *) n, 0);
}
-int
+int
gf_string2uint (const char *str, unsigned int *n)
{
return _gf_string2uint (str, n, 0);
@@ -980,284 +980,284 @@ gf_string2double (const char *str, double *n)
return _gf_string2double (str, n);
}
-int
+int
gf_string2longlong (const char *str, long long *n)
{
return _gf_string2longlong (str, n, 0);
}
-int
+int
gf_string2ulonglong (const char *str, unsigned long long *n)
{
return _gf_string2ulonglong (str, n, 0);
}
-int
+int
gf_string2int8 (const char *str, int8_t *n)
{
long l = 0L;
int rv = 0;
-
+
rv = _gf_string2long (str, &l, 0);
if (rv != 0)
return rv;
-
+
if (l >= INT8_MIN && l <= INT8_MAX)
{
*n = (int8_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2int16 (const char *str, int16_t *n)
{
long l = 0L;
int rv = 0;
-
+
rv = _gf_string2long (str, &l, 0);
if (rv != 0)
return rv;
-
+
if (l >= INT16_MIN && l <= INT16_MAX)
{
*n = (int16_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2int32 (const char *str, int32_t *n)
{
long l = 0L;
int rv = 0;
-
+
rv = _gf_string2long (str, &l, 0);
if (rv != 0)
return rv;
-
+
if (l >= INT32_MIN && l <= INT32_MAX)
{
*n = (int32_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2int64 (const char *str, int64_t *n)
{
long long l = 0LL;
int rv = 0;
-
+
rv = _gf_string2longlong (str, &l, 0);
if (rv != 0)
return rv;
-
+
if (l >= INT64_MIN && l <= INT64_MAX)
{
*n = (int64_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2uint8 (const char *str, uint8_t *n)
{
unsigned long l = 0L;
int rv = 0;
-
+
rv = _gf_string2ulong (str, &l, 0);
if (rv != 0)
return rv;
-
+
if (l >= 0 && l <= UINT8_MAX)
{
*n = (uint8_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2uint16 (const char *str, uint16_t *n)
{
unsigned long l = 0L;
int rv = 0;
-
+
rv = _gf_string2ulong (str, &l, 0);
if (rv != 0)
return rv;
-
+
if (l >= 0 && l <= UINT16_MAX)
{
*n = (uint16_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2uint32 (const char *str, uint32_t *n)
{
unsigned long l = 0L;
int rv = 0;
-
+
rv = _gf_string2ulong (str, &l, 0);
if (rv != 0)
return rv;
-
+
if (l >= 0 && l <= UINT32_MAX)
{
*n = (uint32_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2uint64 (const char *str, uint64_t *n)
{
unsigned long long l = 0ULL;
int rv = 0;
-
+
rv = _gf_string2ulonglong (str, &l, 0);
if (rv != 0)
return rv;
-
+
if (l >= 0 && l <= UINT64_MAX)
{
*n = (uint64_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2ulong_base10 (const char *str, unsigned long *n)
{
return _gf_string2ulong (str, n, 10);
}
-int
+int
gf_string2uint_base10 (const char *str, unsigned int *n)
{
return _gf_string2uint (str, n, 10);
}
-int
+int
gf_string2uint8_base10 (const char *str, uint8_t *n)
{
unsigned long l = 0L;
int rv = 0;
-
+
rv = _gf_string2ulong (str, &l, 10);
if (rv != 0)
return rv;
-
+
if (l >= 0 && l <= UINT8_MAX)
{
*n = (uint8_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2uint16_base10 (const char *str, uint16_t *n)
{
unsigned long l = 0L;
int rv = 0;
-
+
rv = _gf_string2ulong (str, &l, 10);
if (rv != 0)
return rv;
-
+
if (l >= 0 && l <= UINT16_MAX)
{
*n = (uint16_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2uint32_base10 (const char *str, uint32_t *n)
{
unsigned long l = 0L;
int rv = 0;
-
+
rv = _gf_string2ulong (str, &l, 10);
if (rv != 0)
return rv;
-
+
if (l >= 0 && l <= UINT32_MAX)
{
*n = (uint32_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2uint64_base10 (const char *str, uint64_t *n)
{
unsigned long long l = 0ULL;
int rv = 0;
-
+
rv = _gf_string2ulonglong (str, &l, 10);
if (rv != 0)
return rv;
-
+
if (l >= 0 && l <= UINT64_MAX)
{
*n = (uint64_t) l;
return 0;
}
-
+
errno = ERANGE;
return -1;
}
-int
+int
gf_string2bytesize (const char *str, uint64_t *n)
{
uint64_t value = 0ULL;
char *tail = NULL;
int old_errno = 0;
const char *s = NULL;
-
+
if (str == NULL || n == NULL)
{
errno = EINVAL;
return -1;
}
-
+
for (s = str; *s != '\0'; s++)
{
if (isspace (*s))
@@ -1266,27 +1266,27 @@ gf_string2bytesize (const char *str, uint64_t *n)
}
if (*s == '-')
{
- /* bala: we do not support suffixed (-) sign and
+ /* bala: we do not support suffixed (-) sign and
invalid integer format */
return -1;
}
break;
}
-
+
old_errno = errno;
errno = 0;
value = strtoull (str, &tail, 10);
-
+
if (errno == ERANGE || errno == EINVAL)
{
return -1;
}
-
+
if (errno == 0)
{
errno = old_errno;
}
-
+
if (tail[0] != '\0')
{
if (strcasecmp (tail, GF_UNIT_KB_STRING) == 0)
@@ -1309,19 +1309,19 @@ gf_string2bytesize (const char *str, uint64_t *n)
{
value *= GF_UNIT_PB;
}
- else
+ else
{
/* bala: invalid integer format */
return -1;
}
}
-
+
*n = value;
-
+
return 0;
}
-int64_t
+int64_t
gf_str_to_long_long (const char *number)
{
int64_t unit = 1;
@@ -1360,62 +1360,62 @@ gf_str_to_long_long (const char *number)
return ret * unit;
}
-int
+int
gf_string2boolean (const char *str, gf_boolean_t *b)
{
if (str == NULL) {
return -1;
}
-
- if ((strcasecmp (str, "1") == 0) ||
- (strcasecmp (str, "on") == 0) ||
- (strcasecmp (str, "yes") == 0) ||
- (strcasecmp (str, "true") == 0) ||
+
+ if ((strcasecmp (str, "1") == 0) ||
+ (strcasecmp (str, "on") == 0) ||
+ (strcasecmp (str, "yes") == 0) ||
+ (strcasecmp (str, "true") == 0) ||
(strcasecmp (str, "enable") == 0)) {
*b = _gf_true;
return 0;
}
-
- if ((strcasecmp (str, "0") == 0) ||
- (strcasecmp (str, "off") == 0) ||
- (strcasecmp (str, "no") == 0) ||
- (strcasecmp (str, "false") == 0) ||
+
+ if ((strcasecmp (str, "0") == 0) ||
+ (strcasecmp (str, "off") == 0) ||
+ (strcasecmp (str, "no") == 0) ||
+ (strcasecmp (str, "false") == 0) ||
(strcasecmp (str, "disable") == 0)) {
*b = _gf_false;
return 0;
}
-
+
return -1;
}
-int
+int
gf_lockfd (int fd)
{
struct flock fl;
-
+
fl.l_type = F_WRLCK;
fl.l_whence = SEEK_SET;
fl.l_start = 0;
fl.l_len = 0;
-
+
return fcntl (fd, F_SETLK, &fl);
}
-int
+int
gf_unlockfd (int fd)
{
struct flock fl;
-
+
fl.l_type = F_UNLCK;
fl.l_whence = SEEK_SET;
fl.l_start = 0;
fl.l_len = 0;
-
+
return fcntl (fd, F_SETLK, &fl);
}
-
+
static void
compute_checksum (char *buf, size_t size, uint32_t *checksum)
{
@@ -1428,7 +1428,7 @@ compute_checksum (char *buf, size_t size, uint32_t *checksum)
checksum_buf [0] = 0xba;
checksum_buf [1] = 0xbe;
checksum_buf [2] = 0xb0;
- checksum_buf [3] = 0x0b;
+ checksum_buf [3] = 0x0b;
}
for (ret = 0; ret < (size - 4); ret += 4) {
@@ -1441,14 +1441,14 @@ compute_checksum (char *buf, size_t size, uint32_t *checksum)
for (ret = 0; ret <= (size % 4); ret++) {
checksum_buf[ret] ^= (buf[(size - 4) + ret] << ret);
}
-
+
return;
}
#define GF_CHECKSUM_BUF_SIZE 1024
int
-get_checksum_for_file (int fd, uint32_t *checksum)
+get_checksum_for_file (int fd, uint32_t *checksum)
{
int ret = -1;
char buf[GF_CHECKSUM_BUF_SIZE] = {0,};
@@ -1458,7 +1458,7 @@ get_checksum_for_file (int fd, uint32_t *checksum)
do {
ret = read (fd, &buf, GF_CHECKSUM_BUF_SIZE);
if (ret > 0)
- compute_checksum (buf, GF_CHECKSUM_BUF_SIZE,
+ compute_checksum (buf, GF_CHECKSUM_BUF_SIZE,
checksum);
} while (ret > 0);
@@ -1522,3 +1522,29 @@ out:
return ret;
}
+
+int
+get_checksum_for_path (char *path, uint32_t *checksum)
+{
+ int ret = -1;
+ int fd = -1;
+
+ GF_ASSERT (path);
+ GF_ASSERT (checksum);
+
+ fd = open (path, O_RDWR);
+
+ if (fd == -1) {
+ gf_log ("", GF_LOG_ERROR, "Unable to open %s, errno: %d",
+ path, errno);
+ goto out;
+ }
+
+ ret = get_checksum_for_file (fd, checksum);
+
+out:
+ if (fd != -1)
+ close (fd);
+
+ return ret;
+}
diff --git a/libglusterfs/src/common-utils.h b/libglusterfs/src/common-utils.h
index 93d62f6..54f52a5 100644
--- a/libglusterfs/src/common-utils.h
+++ b/libglusterfs/src/common-utils.h
@@ -329,6 +329,7 @@ int get_checksum_for_file (int fd, uint32_t *checksum);
int log_base2 (unsigned long x);
int gf_system (const char *command);
+int get_checksum_for_path (char *path, uint32_t *checksum);
#endif /* _COMMON_UTILS_H */