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authorAnand Avati <avati@redhat.com>2012-07-16 14:03:06 -0700
committerAnand Avati <avati@redhat.com>2012-07-17 12:29:36 -0700
commitea0a0937a0524b8a449e470fbaea772a349d40fb (patch)
tree66ed7cbc48ec80633cecaa5740f53985499871b8 /libglusterfs/src
parent24717f14fa9e409f01f89c0905163b0db1e40729 (diff)
common-utils: implement generate_glusterfs_ctx_id()
This patch creates a common and shared version of the often copy/ pasted generate_uuid() function, which is used to create an ID string to uniquely identify an instance of a glusterfs process/glusterfs_ctx_t. Change-Id: Ie4e697ae28b6e954c5c261c69e37738f289d77e4 BUG: 839950 Signed-off-by: Anand Avati <avati@redhat.com> Reviewed-on: http://review.gluster.com/3677 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Amar Tumballi <amarts@redhat.com>
Diffstat (limited to 'libglusterfs/src')
-rw-r--r--libglusterfs/src/common-utils.c33
-rw-r--r--libglusterfs/src/common-utils.h2
2 files changed, 35 insertions, 0 deletions
diff --git a/libglusterfs/src/common-utils.c b/libglusterfs/src/common-utils.c
index d09cafc6868..cd7045277ba 100644
--- a/libglusterfs/src/common-utils.c
+++ b/libglusterfs/src/common-utils.c
@@ -2150,3 +2150,36 @@ _gf_timestuff (gf_timefmts *fmt, const char ***fmts, const char ***zeros)
*zeros = __gf_zerotimes;
}
+
+char *
+generate_glusterfs_ctx_id (void)
+{
+ char tmp_str[1024] = {0,};
+ char hostname[256] = {0,};
+ struct timeval tv = {0,};
+ char now_str[32];
+
+ if (gettimeofday (&tv, NULL) == -1) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
+ "gettimeofday: failed %s",
+ strerror (errno));
+ }
+
+ if (gethostname (hostname, 256) == -1) {
+ gf_log ("glusterfsd", GF_LOG_ERROR,
+ "gethostname: failed %s",
+ strerror (errno));
+ }
+
+ gf_time_fmt (now_str, sizeof now_str, tv.tv_sec, gf_timefmt_Ymd_T);
+ snprintf (tmp_str, sizeof tmp_str, "%s-%d-%s:%"
+#ifdef GF_DARWIN_HOST_OS
+ PRId32,
+#else
+ "ld",
+#endif
+ hostname, getpid(), now_str, tv.tv_usec);
+
+ return gf_strdup (tmp_str);
+}
+
diff --git a/libglusterfs/src/common-utils.h b/libglusterfs/src/common-utils.h
index 26af45fcc7b..f21ade40b8f 100644
--- a/libglusterfs/src/common-utils.h
+++ b/libglusterfs/src/common-utils.h
@@ -552,4 +552,6 @@ void gf_path_strip_trailing_slashes (char *path);
uint64_t get_mem_size ();
int gf_strip_whitespace (char *str, int len);
int gf_canonicalize_path (char *path);
+char *generate_glusterfs_ctx_id (void);
+
#endif /* _COMMON_UTILS_H */