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-rw-r--r--libglusterfs/src/glusterfs/common-utils.h122
1 files changed, 105 insertions, 17 deletions
diff --git a/libglusterfs/src/glusterfs/common-utils.h b/libglusterfs/src/glusterfs/common-utils.h
index f6d82cc..f297fda 100644
--- a/libglusterfs/src/glusterfs/common-utils.h
+++ b/libglusterfs/src/glusterfs/common-utils.h
@@ -18,6 +18,7 @@
#include <string.h>
#include <assert.h>
#include <pthread.h>
+#include <unistd.h>
#include <openssl/md5.h>
#ifndef GF_BSD_HOST_OS
#include <alloca.h>
@@ -26,6 +27,11 @@
#include <fnmatch.h>
#include <uuid/uuid.h>
+/* FreeBSD, etc. */
+#ifndef __BITS_PER_LONG
+#define __BITS_PER_LONG (CHAR_BIT * (sizeof(long)))
+#endif
+
#ifndef ffsll
#define ffsll(x) __builtin_ffsll(x)
#endif
@@ -123,6 +129,7 @@ trap(void);
/* Default value of signing waiting time to sign a file for bitrot */
#define SIGNING_TIMEOUT "120"
+#define BR_WORKERS "4"
/* xxhash */
#define GF_XXH64_DIGEST_LENGTH 8
@@ -147,6 +154,9 @@ trap(void);
#define GF_THREAD_NAME_LIMIT 16
#define GF_THREAD_NAME_PREFIX "glfs_"
+/* Advisory buffer size for formatted timestamps (see gf_time_fmt) */
+#define GF_TIMESTR_SIZE 256
+
/*
* we could have initialized these as +ve values and treated
* them as negative while comparing etc.. (which would have
@@ -166,7 +176,8 @@ enum _gf_special_pid {
GF_CLIENT_PID_SCRUB = -9,
GF_CLIENT_PID_TIER_DEFRAG = -10,
GF_SERVER_PID_TRASH = -11,
- GF_CLIENT_PID_ADD_REPLICA_MOUNT = -12
+ GF_CLIENT_PID_ADD_REPLICA_MOUNT = -12,
+ GF_CLIENT_PID_SET_UTIME = -13,
};
enum _gf_xlator_ipc_targets {
@@ -178,6 +189,12 @@ enum _gf_xlator_ipc_targets {
typedef enum _gf_special_pid gf_special_pid_t;
typedef enum _gf_xlator_ipc_targets _gf_xlator_ipc_targets_t;
+/* Array to hold custom xattr keys */
+extern char *xattrs_to_heal[];
+
+char **
+get_xattrs_to_heal();
+
/* The DHT file rename operation is not a straightforward rename.
* It involves creating linkto and linkfiles, and can unlink or rename the
* source file depending on the hashed and cached subvols for the source
@@ -238,6 +255,8 @@ list_node_del(struct list_node *node);
struct dnscache *
gf_dnscache_init(time_t ttl);
+void
+gf_dnscache_deinit(struct dnscache *cache);
struct dnscache_entry *
gf_dnscache_entry_init(void);
void
@@ -436,6 +455,15 @@ BIT_VALUE(unsigned char *array, unsigned int index)
} while (0)
#endif
+/* Compile-time assert, borrowed from Linux kernel. */
+#ifdef HAVE_STATIC_ASSERT
+#define GF_STATIC_ASSERT(expr, ...) \
+ __gf_static_assert(expr, ##__VA_ARGS__, #expr)
+#define __gf_static_assert(expr, msg, ...) _Static_assert(expr, msg)
+#else
+#define GF_STATIC_ASSERT(expr, ...)
+#endif
+
#define GF_ABORT(msg...) \
do { \
gf_msg_callingfn("", GF_LOG_CRITICAL, 0, LG_MSG_ASSERTION_FAILED, \
@@ -466,18 +494,15 @@ union gf_sock_union {
#define IOV_MIN(n) min(IOV_MAX, n)
-#define GF_SKIP_IRRELEVANT_ENTRIES(entry, dir, scr) \
- do { \
- entry = NULL; \
- if (dir) { \
- entry = sys_readdir(dir, scr); \
- while (entry && (!strcmp(entry->d_name, ".") || \
- !fnmatch("*.tmp", entry->d_name, 0) || \
- !strcmp(entry->d_name, ".."))) { \
- entry = sys_readdir(dir, scr); \
- } \
- } \
- } while (0)
+static inline gf_boolean_t
+gf_irrelevant_entry(struct dirent *entry)
+{
+ GF_ASSERT(entry);
+
+ return (!strcmp(entry->d_name, ".") ||
+ !fnmatch("*.tmp", entry->d_name, 0) ||
+ !strcmp(entry->d_name, ".."));
+}
static inline void
iov_free(struct iovec *vector, int count)
@@ -788,7 +813,7 @@ typedef enum {
} gf_timefmts;
static inline char *
-gf_time_fmt(char *dst, size_t sz_dst, time_t utime, unsigned int fmt)
+gf_time_fmt_tv(char *dst, size_t sz_dst, struct timeval *tv, unsigned int fmt)
{
extern void _gf_timestuff(const char ***, const char ***);
static gf_timefmts timefmt_last = (gf_timefmts)-1;
@@ -796,6 +821,8 @@ gf_time_fmt(char *dst, size_t sz_dst, time_t utime, unsigned int fmt)
static const char **zeros;
struct tm tm, *res;
int localtime = 0;
+ int len = 0;
+ int pos = 0;
if (timefmt_last == ((gf_timefmts)-1)) {
_gf_timestuff(&fmts, &zeros);
@@ -805,15 +832,35 @@ gf_time_fmt(char *dst, size_t sz_dst, time_t utime, unsigned int fmt)
fmt = gf_timefmt_default;
}
localtime = gf_log_get_localtime();
- res = localtime ? localtime_r(&utime, &tm) : gmtime_r(&utime, &tm);
- if (utime && (res != NULL)) {
- strftime(dst, sz_dst, fmts[fmt], &tm);
+ res = localtime ? localtime_r(&tv->tv_sec, &tm)
+ : gmtime_r(&tv->tv_sec, &tm);
+ if (tv->tv_sec && (res != NULL)) {
+ len = strftime(dst, sz_dst, fmts[fmt], &tm);
+ if (len == 0)
+ return dst;
+ pos += len;
+ if (tv->tv_usec >= 0) {
+ len = snprintf(dst + pos, sz_dst - pos, ".%" GF_PRI_SUSECONDS,
+ tv->tv_usec);
+ if (len >= sz_dst - pos)
+ return dst;
+ pos += len;
+ }
+ strftime(dst + pos, sz_dst - pos, " %z", &tm);
} else {
strncpy(dst, "N/A", sz_dst);
}
return dst;
}
+static inline char *
+gf_time_fmt(char *dst, size_t sz_dst, time_t utime, unsigned int fmt)
+{
+ struct timeval tv = {utime, -1};
+
+ return gf_time_fmt_tv(dst, sz_dst, &tv, fmt);
+}
+
/* This function helps us use gfid (unique identity) to generate inode's unique
* number in glusterfs.
*/
@@ -1163,6 +1210,47 @@ int
gf_d_type_from_ia_type(ia_type_t type);
int
+gf_syncfs(int fd);
+
+int
gf_nanosleep(uint64_t nsec);
+static inline time_t
+gf_time(void)
+{
+ return time(NULL);
+}
+
+/* Return delta value in microseconds. */
+
+static inline double
+gf_tvdiff(struct timeval *start, struct timeval *end)
+{
+ struct timeval t;
+
+ if (start->tv_usec > end->tv_usec)
+ t.tv_sec = end->tv_sec - 1, t.tv_usec = end->tv_usec + 1000000;
+ else
+ t.tv_sec = end->tv_sec, t.tv_usec = end->tv_usec;
+
+ return (double)(t.tv_sec - start->tv_sec) * 1e6 +
+ (double)(t.tv_usec - start->tv_usec);
+}
+
+/* Return delta value in nanoseconds. */
+
+static inline double
+gf_tsdiff(struct timespec *start, struct timespec *end)
+{
+ struct timespec t;
+
+ if (start->tv_nsec > end->tv_nsec)
+ t.tv_sec = end->tv_sec - 1, t.tv_nsec = end->tv_nsec + 1000000000;
+ else
+ t.tv_sec = end->tv_sec, t.tv_nsec = end->tv_nsec;
+
+ return (double)(t.tv_sec - start->tv_sec) * 1e9 +
+ (double)(t.tv_nsec - start->tv_nsec);
+}
+
#endif /* _COMMON_UTILS_H */