diff options
Diffstat (limited to 'libglusterfs/src/glusterfs/common-utils.h')
| -rw-r--r-- | libglusterfs/src/glusterfs/common-utils.h | 122 |
1 files changed, 105 insertions, 17 deletions
diff --git a/libglusterfs/src/glusterfs/common-utils.h b/libglusterfs/src/glusterfs/common-utils.h index f6d82cc0b85..f297fdab5c9 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 */ |