diff options
Diffstat (limited to 'xlators/features/changelog/src/changelog-misc.h')
| -rw-r--r-- | xlators/features/changelog/src/changelog-misc.h | 144 |
1 files changed, 87 insertions, 57 deletions
diff --git a/xlators/features/changelog/src/changelog-misc.h b/xlators/features/changelog/src/changelog-misc.h index 0712a377183..e2addc09414 100644 --- a/xlators/features/changelog/src/changelog-misc.h +++ b/xlators/features/changelog/src/changelog-misc.h @@ -11,91 +11,121 @@ #ifndef _CHANGELOG_MISC_H #define _CHANGELOG_MISC_H -#include "glusterfs.h" -#include "common-utils.h" +#include <glusterfs/glusterfs.h> +#include <glusterfs/common-utils.h> -#define CHANGELOG_MAX_TYPE 3 +#define CHANGELOG_MAX_TYPE 4 #define CHANGELOG_FILE_NAME "CHANGELOG" +#define HTIME_FILE_NAME "HTIME" +#define CSNAP_FILE_NAME "CHANGELOG.SNAP" +#define HTIME_KEY "trusted.glusterfs.htime" +#define HTIME_CURRENT "trusted.glusterfs.current_htime" +#define HTIME_INITIAL_VALUE "0:0" -#define CHANGELOG_VERSION_MAJOR 1 -#define CHANGELOG_VERSION_MINOR 0 +#define CHANGELOG_VERSION_MAJOR 1 +#define CHANGELOG_VERSION_MINOR 2 -#define CHANGELOG_UNIX_SOCK DEFAULT_VAR_RUN_DIRECTORY"/changelog-%s.sock" +#define CHANGELOG_UNIX_SOCK DEFAULT_VAR_RUN_DIRECTORY "/changelog-%s.sock" +#define CHANGELOG_TMP_UNIX_SOCK DEFAULT_VAR_RUN_DIRECTORY "/.%s%lu.sock" /** * header starts with the version and the format of the changelog. * 'version' not much of a use now. */ -#define CHANGELOG_HEADER \ - "GlusterFS Changelog | version: v%d.%d | encoding : %d\n" - -#define CHANGELOG_MAKE_SOCKET_PATH(brick_path, sockpath, len) do { \ - char md5_sum[MD5_DIGEST_LENGTH*2+1] = {0,}; \ - md5_wrapper((unsigned char *) brick_path, \ - strlen(brick_path), \ - md5_sum); \ - (void) snprintf (sockpath, len, \ - CHANGELOG_UNIX_SOCK, md5_sum); \ - } while (0) +#define CHANGELOG_HEADER \ + "GlusterFS Changelog | version: v%d.%d | encoding : %d\n" + +#define CHANGELOG_MAKE_SOCKET_PATH(brick_path, sockpath, len) \ + do { \ + char xxh64[GF_XXH64_DIGEST_LENGTH * 2 + 1] = { \ + 0, \ + }; \ + gf_xxh64_wrapper((unsigned char *)brick_path, strlen(brick_path), \ + GF_XXHSUM64_DEFAULT_SEED, xxh64); \ + (void)snprintf(sockpath, len, CHANGELOG_UNIX_SOCK, xxh64); \ + } while (0) + +#define CHANGELOG_MAKE_TMP_SOCKET_PATH(brick_path, sockpath, len) \ + do { \ + unsigned long pid = 0; \ + char xxh64[GF_XXH64_DIGEST_LENGTH * 2 + 1] = { \ + 0, \ + }; \ + pid = (unsigned long)getpid(); \ + gf_xxh64_wrapper((unsigned char *)brick_path, strlen(brick_path), \ + GF_XXHSUM64_DEFAULT_SEED, xxh64); \ + (void)snprintf(sockpath, len, CHANGELOG_TMP_UNIX_SOCK, xxh64, pid); \ + } while (0) /** * ... used by libgfchangelog. */ -#define CHANGELOG_GET_ENCODING(fd, buffer, len, enc, enc_len) do { \ - FILE *fp; \ - int fd_dup, maj, min; \ - \ - enc = -1; \ - fd_dup = dup (fd); \ - \ - if (fd_dup != -1) { \ - fp = fdopen (fd_dup, "r"); \ - if (fp) { \ - if (fgets (buffer, len, fp)) { \ - elen = strlen (buffer); \ - sscanf (buffer, \ - CHANGELOG_HEADER, \ - &maj, &min, &enc); \ - } \ - fclose (fp); \ - } else { \ - close (fd_dup); \ - } \ - } \ - } while (0) - +#define CHANGELOG_GET_HEADER_INFO(fd, buffer, len, enc, maj, min, elen) \ + do { \ + FILE *fp; \ + int fd_dup; \ + \ + enc = -1; \ + maj = -1; \ + min = -1; \ + fd_dup = dup(fd); \ + \ + if (fd_dup != -1) { \ + fp = fdopen(fd_dup, "r"); \ + if (fp) { \ + if (fgets(buffer, len, fp)) { \ + elen = strlen(buffer); \ + sscanf(buffer, CHANGELOG_HEADER, &maj, &min, &enc); \ + } \ + fclose(fp); \ + } else { \ + sys_close(fd_dup); \ + } \ + } \ + } while (0) + +#define CHANGELOG_FILL_HTIME_DIR(changelog_dir, path) \ + do { \ + snprintf(path, sizeof(path), "%s/htime", changelog_dir); \ + } while (0) + +#define CHANGELOG_FILL_CSNAP_DIR(changelog_dir, path) \ + do { \ + snprintf(path, sizeof(path), "%s/csnap", changelog_dir); \ + } while (0) /** - * everything after 'CHANGELOG_TYPE_ENTRY' are internal types + * everything after 'CHANGELOG_TYPE_METADATA_XATTR' are internal types * (ie. none of the fops trigger this type of event), hence - * CHANGELOG_MAX_TYPE = 3 + * CHANGELOG_MAX_TYPE = 4 */ typedef enum { - CHANGELOG_TYPE_DATA = 0, - CHANGELOG_TYPE_METADATA, - CHANGELOG_TYPE_ENTRY, - CHANGELOG_TYPE_ROLLOVER, - CHANGELOG_TYPE_FSYNC, + CHANGELOG_TYPE_DATA = 0, + CHANGELOG_TYPE_METADATA, + CHANGELOG_TYPE_ENTRY, + CHANGELOG_TYPE_METADATA_XATTR, + CHANGELOG_TYPE_ROLLOVER, + CHANGELOG_TYPE_FSYNC, } changelog_log_type; /* operation modes - RT for now */ typedef enum { - CHANGELOG_MODE_RT = 0, + CHANGELOG_MODE_RT = 0, } changelog_mode_t; /* encoder types */ typedef enum { - CHANGELOG_ENCODE_MIN = 0, - CHANGELOG_ENCODE_BINARY, - CHANGELOG_ENCODE_ASCII, - CHANGELOG_ENCODE_MAX, + CHANGELOG_ENCODE_MIN = 0, + CHANGELOG_ENCODE_BINARY, + CHANGELOG_ENCODE_ASCII, + CHANGELOG_ENCODE_MAX, } changelog_encoder_t; -#define CHANGELOG_VALID_ENCODING(enc) \ - (enc > CHANGELOG_ENCODE_MIN && enc < CHANGELOG_ENCODE_MAX) +#define CHANGELOG_VALID_ENCODING(enc) \ + (enc > CHANGELOG_ENCODE_MIN && enc < CHANGELOG_ENCODE_MAX) -#define CHANGELOG_TYPE_IS_ENTRY(type) (type == CHANGELOG_TYPE_ENTRY) -#define CHANGELOG_TYPE_IS_ROLLOVER(type) (type == CHANGELOG_TYPE_ROLLOVER) -#define CHANGELOG_TYPE_IS_FSYNC(type) (type == CHANGELOG_TYPE_FSYNC) +#define CHANGELOG_TYPE_IS_ENTRY(type) (type == CHANGELOG_TYPE_ENTRY) +#define CHANGELOG_TYPE_IS_ROLLOVER(type) (type == CHANGELOG_TYPE_ROLLOVER) +#define CHANGELOG_TYPE_IS_FSYNC(type) (type == CHANGELOG_TYPE_FSYNC) #endif /* _CHANGELOG_MISC_H */ |