diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-utils.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-utils.c | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c index 0861d021913..1c456afc623 100644 --- a/xlators/mgmt/glusterd/src/glusterd-utils.c +++ b/xlators/mgmt/glusterd/src/glusterd-utils.c @@ -1461,3 +1461,192 @@ out: return ret; } + +int +glusterd_file_copy (int out, int in) +{ + int read_size = 0; + char buffer[16 * 1024]; + int ret = -1; + + if (out <= 0 || in < 0) { + gf_log ("", GF_LOG_ERROR, "Invalid File descriptors"); + goto out; + } + + while (1) { + read_size = read(in, buffer, sizeof(buffer)); + + if (read_size == 0) { + ret = 0; + break; /* end of file */ + } + + if (read_size < 0) { + ret = -1; + break; /*error reading file); */ + } + write (out, buffer, (unsigned int) read_size); + } +out: + return ret; +} + +gf_boolean_t +glusterd_is_nfs_started () +{ + int32_t ret = -1; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + char pidfile[PATH_MAX] = {0,}; + + this = THIS; + GF_ASSERT(this); + + priv = this->private; + + GLUSTERD_GET_NFS_PIDFILE(pidfile); + ret = access (pidfile, F_OK); + + if (ret == 0) + return _gf_true; + else + return _gf_false; +} + +int32_t +glusterd_nfs_server_start () +{ + int32_t ret = -1; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + char pidfile[PATH_MAX] = {0,}; + char *volfile = NULL; + char path[PATH_MAX] = {0,}; + char cmd_str[8192] = {0,}; + char rundir[PATH_MAX] = {0,}; + + this = THIS; + GF_ASSERT(this); + + priv = this->private; + + GLUSTERD_GET_NFS_DIR(path, priv); + snprintf (rundir, PATH_MAX, "%s/run", path); + ret = mkdir (rundir, 0777); + + if ((ret == -1) && (EEXIST != errno)) { + gf_log ("", GF_LOG_ERROR, "Unable to create rundir %s", + rundir); + goto out; + } + + GLUSTERD_GET_NFS_PIDFILE(pidfile); + volfile = glusterd_get_nfs_filepath (); + if (!volfile) { + ret = -1; + goto out; + } + + ret = access (volfile, F_OK); + if (ret) { + gf_log ("", GF_LOG_ERROR, "Nfs Volfile %s is not present", + volfile); + goto out; + } + + snprintf (cmd_str, 8192, + "%s/sbin/glusterfs -f %s -p %s", + GFS_PREFIX, volfile, pidfile); + ret = gf_system (cmd_str); + +out: + if (volfile) + GF_FREE(volfile); + return ret; +} + +int32_t +glusterd_nfs_server_stop () +{ + int32_t ret = -1; + xlator_t *this = NULL; + glusterd_conf_t *priv = NULL; + char pidfile[PATH_MAX] = {0,}; + char path[PATH_MAX] = {0,}; + pid_t pid = -1; + FILE *file = NULL; + + this = THIS; + GF_ASSERT(this); + + priv = this->private; + + GLUSTERD_GET_NFS_DIR(path, priv); + GLUSTERD_GET_NFS_PIDFILE(pidfile); + + file = fopen (pidfile, "r+"); + + if (!file) { + gf_log ("", GF_LOG_ERROR, "Unable to open pidfile: %s", + pidfile); + ret = -1; + goto out; + } + + ret = fscanf (file, "%d", &pid); + if (ret <= 0) { + gf_log ("", GF_LOG_ERROR, "Unable to read pidfile: %s", + pidfile); + ret = -1; + goto out; + } + fclose (file); + file = NULL; + + gf_log ("", GF_LOG_NORMAL, "Stopping glusterfs running in pid: %d", + pid); + + ret = kill (pid, SIGTERM); + + if (ret) { + gf_log ("", GF_LOG_ERROR, "Unable to kill pid %d", pid); + goto out; + } + + ret = unlink (pidfile); + + if (ret && (ENOENT != errno)) { + gf_log ("", GF_LOG_ERROR, "Unable to unlink pidfile: %s", + pidfile); + goto out; + } + + ret = 0; +out: + if (file) + fclose (file); + return ret; +} + +gf_boolean_t +glusterd_are_all_volumes_stopped () +{ + glusterd_conf_t *priv = NULL; + xlator_t *this = NULL; + glusterd_volinfo_t *voliter = NULL; + + this = THIS; + GF_ASSERT (this); + priv = this->private; + GF_ASSERT (priv); + + list_for_each_entry (voliter, &priv->volumes, vol_list) { + if (voliter->status == GLUSTERD_STATUS_STARTED) + return _gf_false; + } + + return _gf_true; + +} + |