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Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-handler.c')
-rw-r--r--xlators/mgmt/glusterd/src/glusterd-handler.c374
1 files changed, 0 insertions, 374 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-handler.c b/xlators/mgmt/glusterd/src/glusterd-handler.c
index 58d58f625d0..f178124bdf9 100644
--- a/xlators/mgmt/glusterd/src/glusterd-handler.c
+++ b/xlators/mgmt/glusterd/src/glusterd-handler.c
@@ -656,380 +656,6 @@ out:
}
int
-glusterd_check_and_rebalance (glusterd_volinfo_t *volinfo, char *dir)
-{
- int ret = -1;
- int dst_fd = -1;
- int src_fd = -1;
- DIR *fd = NULL;
- glusterd_defrag_info_t *defrag = NULL;
- struct dirent *entry = NULL;
- struct stat stbuf = {0,};
- struct stat new_stbuf = {0,};
- char full_path[1024] = {0,};
- char tmp_filename[1024] = {0,};
- char value[128] = {0,};
-
- defrag = volinfo->defrag;
- if (!defrag)
- goto out;
-
-
- /* Fix files at this level */
- fd = opendir (dir);
- if (!fd)
- goto out;
- while ((entry = readdir (fd))) {
- if (!entry)
- break;
-
- if (!strcmp (entry->d_name, ".") || !strcmp (entry->d_name, ".."))
- continue;
-
- snprintf (full_path, 1024, "%s/%s", dir, entry->d_name);
-
- ret = stat (full_path, &stbuf);
- if (ret == -1)
- continue;
-
- if (S_ISDIR (stbuf.st_mode)) {
- /* Fix the layout of the directory */
- getxattr (full_path, "trusted.distribute.fix.layout",
- &value, 128);
- continue;
- }
- if (S_ISREG (stbuf.st_mode) && ((stbuf.st_mode & 01000) == 01000)) {
- /* TODO: run the defrag */
- snprintf (tmp_filename, 1024, "%s/.%s.gfs%llu", dir,
- entry->d_name,
- (unsigned long long)stbuf.st_size);
-
- dst_fd = creat (tmp_filename, (stbuf.st_mode & ~01000));
- if (dst_fd == -1)
- continue;
-
- src_fd = open (full_path, O_RDONLY);
- if (src_fd == -1) {
- close (dst_fd);
- continue;
- }
-
- while (1) {
- ret = read (src_fd, defrag->databuf, 131072);
- if (!ret || (ret < 0)) {
- close (dst_fd);
- close (src_fd);
- break;
- }
- ret = write (dst_fd, defrag->databuf, ret);
- if (ret < 0) {
- close (dst_fd);
- close (src_fd);
- break;
- }
- }
-
- ret = stat (full_path, &new_stbuf);
- if (ret < 0)
- continue;
- if (new_stbuf.st_mtime != stbuf.st_mtime)
- continue;
-
- ret = rename (tmp_filename, full_path);
- if (ret != -1) {
- LOCK (&defrag->lock);
- {
- defrag->total_files += 1;
- defrag->total_data += stbuf.st_size;
- }
- UNLOCK (&defrag->lock);
- }
- } else {
- LOCK (&defrag->lock);
- {
- if (S_ISREG (stbuf.st_mode))
- defrag->num_files_lookedup += 1;
- }
- UNLOCK (&defrag->lock);
- }
-
- if (volinfo->defrag_status == GF_DEFRAG_STATUS_STOPED) {
- closedir (fd);
- goto out;
- }
- }
- closedir (fd);
-
- /* Iterate over directories */
- fd = opendir (dir);
- if (!fd)
- goto out;
- while ((entry = readdir (fd))) {
- if (!entry)
- break;
-
- if (!strcmp (entry->d_name, ".") || !strcmp (entry->d_name, ".."))
- continue;
-
- snprintf (full_path, 1024, "%s/%s", dir, entry->d_name);
-
- ret = stat (full_path, &stbuf);
- if (ret == -1)
- continue;
-
- if (S_ISDIR (stbuf.st_mode)) {
- /* iterate in subdirectories */
- ret = glusterd_check_and_rebalance (volinfo, full_path);
- if (ret)
- break;
- }
- }
-
- closedir (fd);
-
- if (!entry)
- ret = 0;
-out:
- return ret;
-}
-
-void *
-glusterd_defrag_start (void *data)
-{
- glusterd_volinfo_t *volinfo = data;
- glusterd_defrag_info_t *defrag = NULL;
- char cmd_str[1024] = {0,};
- int ret = -1;
- struct stat stbuf = {0,};
- char value[128] = {0,};
-
- defrag = volinfo->defrag;
- if (!defrag)
- goto out;
-
- sleep (1);
- ret = stat (defrag->mount, &stbuf);
- if ((ret == -1) && (errno == ENOTCONN)) {
- /* Wait for some more time before starting rebalance */
- sleep (2);
- ret = stat (defrag->mount, &stbuf);
- if (ret == -1) {
- volinfo->defrag_status = GF_DEFRAG_STATUS_FAILED;
- volinfo->rebalance_files = 0;
- volinfo->rebalance_data = 0;
- volinfo->lookedup_files = 0;
- goto out;
- }
- }
-
- /* Fix the root ('/') first */
- getxattr (defrag->mount, "trusted.distribute.fix.layout", &value, 128);
-
- ret = glusterd_check_and_rebalance (volinfo, defrag->mount);
-
- /* TODO: This should run in a thread, and finish the thread when
- the task is complete. While defrag is running, keep updating
- files */
-
- volinfo->defrag_status = GF_DEFRAG_STATUS_COMPLETE;
- volinfo->rebalance_files = defrag->total_files;
- volinfo->rebalance_data = defrag->total_data;
- volinfo->lookedup_files = defrag->num_files_lookedup;
-out:
- if (defrag) {
- gf_log ("rebalance", GF_LOG_NORMAL, "rebalance on %s complete",
- defrag->mount);
-
- snprintf (cmd_str, 1024, "umount -l %s", defrag->mount);
- ret = system (cmd_str);
- LOCK_DESTROY (&defrag->lock);
- GF_FREE (defrag);
- }
- volinfo->defrag = NULL;
-
- return NULL;
-}
-
-int
-glusterd_defrag_stop (glusterd_volinfo_t *volinfo,
- gf1_cli_defrag_vol_rsp *rsp)
-{
- /* TODO: set a variaeble 'stop_defrag' here, it should be checked
- in defrag loop */
- if (!volinfo || !volinfo->defrag)
- goto out;
-
- LOCK (&volinfo->defrag->lock);
- {
- volinfo->defrag_status = GF_DEFRAG_STATUS_STOPED;
- rsp->files = volinfo->defrag->total_files;
- rsp->size = volinfo->defrag->total_data;
- }
- UNLOCK (&volinfo->defrag->lock);
-
- rsp->op_ret = 0;
-out:
- return 0;
-}
-
-int
-glusterd_defrag_status_get (glusterd_volinfo_t *volinfo,
- gf1_cli_defrag_vol_rsp *rsp)
-{
- if (!volinfo)
- goto out;
-
- if (volinfo->defrag) {
- LOCK (&volinfo->defrag->lock);
- {
- rsp->files = volinfo->defrag->total_files;
- rsp->size = volinfo->defrag->total_data;
- rsp->lookedup_files = volinfo->defrag->num_files_lookedup;
- }
- UNLOCK (&volinfo->defrag->lock);
- } else {
- rsp->files = volinfo->rebalance_files;
- rsp->size = volinfo->rebalance_data;
- rsp->lookedup_files = volinfo->lookedup_files;
- }
-
- rsp->op_errno = volinfo->defrag_status;
- rsp->op_ret = 0;
-out:
- return 0;
-}
-
-int
-glusterd_handle_defrag_volume (rpcsvc_request_t *req)
-{
- int32_t ret = -1;
- gf1_cli_defrag_vol_req cli_req = {0,};
- glusterd_conf_t *priv = NULL;
- char cmd_str[4096] = {0,};
- glusterd_volinfo_t *volinfo = NULL;
- glusterd_defrag_info_t *defrag = NULL;
- gf1_cli_defrag_vol_rsp rsp = {0,};
-
- GF_ASSERT (req);
-
- priv = THIS->private;
- if (!gf_xdr_to_cli_defrag_vol_req (req->msg[0], &cli_req)) {
- //failed to decode msg;
- req->rpc_err = GARBAGE_ARGS;
- goto out;
- }
-
- switch (cli_req.cmd) {
- case GF_DEFRAG_CMD_START:
- gf_cmd_log ("Volume rebalance"," on volname: %s "
- "cmd: start, attempted", cli_req.volname);
- break;
- case GF_DEFRAG_CMD_STOP:
- gf_cmd_log ("Volume rebalance"," on volname: %s "
- "cmd: stop, attempted", cli_req.volname);
- break;
- default:
- break;
- }
- gf_log ("glusterd", GF_LOG_NORMAL, "Received rebalance volume on %s",
- cli_req.volname);
-
- rsp.volname = cli_req.volname;
- rsp.op_ret = -1;
- if (glusterd_volinfo_find(cli_req.volname, &volinfo)) {
- gf_log ("glusterd", GF_LOG_NORMAL, "Received rebalance on invalid"
- " volname %s", cli_req.volname);
- goto out;
- }
-
- if (volinfo->status != GLUSTERD_STATUS_STARTED) {
- gf_log ("glusterd", GF_LOG_NORMAL, "Received rebalance on stopped"
- " volname %s", cli_req.volname);
- goto out;
- }
-
- switch (cli_req.cmd) {
- case GF_DEFRAG_CMD_START:
- {
- if (volinfo->defrag) {
- gf_log ("glusterd", GF_LOG_DEBUG,
- "rebalance on volume %s already started",
- cli_req.volname);
- goto out;
- }
-
- volinfo->defrag = GF_CALLOC (1, sizeof (glusterd_defrag_info_t),
- gf_gld_mt_defrag_info);
- if (!volinfo->defrag)
- goto out;
-
- defrag = volinfo->defrag;
-
- LOCK_INIT (&defrag->lock);
- snprintf (defrag->mount, 1024, "%s/mount/%s",
- priv->workdir, cli_req.volname);
- /* Create a directory, mount glusterfs over it, start glusterfs-defrag */
- snprintf (cmd_str, 4096, "mkdir -p %s", defrag->mount);
- ret = system (cmd_str);
-
- if (ret) {
- gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed", cmd_str);
- goto out;
- }
-
- snprintf (cmd_str, 4096, "%s/sbin/glusterfs -s localhost "
- "--volfile-id %s --volume-name %s-quick-read "
- "--xlator-option *dht.unhashed-sticky-bit=yes "
- "--xlator-option *dht.use-readdirp=yes "
- "--xlator-option *dht.lookup-unhashed=yes %s",
- GFS_PREFIX, cli_req.volname, cli_req.volname,
- defrag->mount);
- ret = gf_system (cmd_str);
- if (ret) {
- gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed", cmd_str);
- goto out;
- }
-
- volinfo->defrag_status = GF_DEFRAG_STATUS_STARTED;
- rsp.op_ret = 0;
-
- ret = pthread_create (&defrag->th, NULL, glusterd_defrag_start,
- volinfo);
- if (ret) {
- snprintf (cmd_str, 1024, "umount -l %s", defrag->mount);
- ret = system (cmd_str);
- rsp.op_ret = -1;
- }
- break;
- }
- case GF_DEFRAG_CMD_STOP:
- ret = glusterd_defrag_stop (volinfo, &rsp);
- break;
- case GF_DEFRAG_CMD_STATUS:
- ret = glusterd_defrag_status_get (volinfo, &rsp);
- break;
- default:
- break;
- }
- if (ret)
- gf_log("glusterd", GF_LOG_DEBUG, "command: %s failed",cmd_str);
-
- if (cli_req.cmd != GF_DEFRAG_CMD_STATUS) {
- gf_cmd_log ("volume rebalance"," on volname: %s %d %s",
- cli_req.volname,
- cli_req.cmd, ((ret)?"FAILED":"SUCCESS"));
- }
-
-out:
-
- ret = glusterd_submit_reply (req, &rsp, NULL, 0, NULL,
- gf_xdr_serialize_cli_defrag_vol_rsp);
- if (cli_req.volname)
- free (cli_req.volname);//malloced by xdr
- return ret;
-}
-
-int
glusterd_handle_cli_get_volume (rpcsvc_request_t *req)
{
int32_t ret = -1;
generated by cgit (git 2.34.1) at 2024-04-23 16:45:54 +0000