// remove file
gboolean dir_tree_file_remove (DirTree *dtree, fuse_ino_t ino, DirTree_file_remove_cb file_remove_cb, fuse_req_t req)
{
DirEntry *en;
FileRemoveData *data;
LOG_debug (DIR_TREE_LOG, "Removing inode %"INO_FMT, ino);
en = g_hash_table_lookup (dtree->h_inodes, GUINT_TO_POINTER (ino));
// if entry does not exist
// or it's not a directory type ?
if (!en) {
LOG_err (DIR_TREE_LOG, "Entry (ino = %"INO_FMT") not found !", ino);
file_remove_cb (req, FALSE);
return FALSE;
}
if (en->type != DET_file) {
LOG_err (DIR_TREE_LOG, "Entry (ino = %"INO_FMT") is not a file !", ino);
file_remove_cb (req, FALSE);
return FALSE;
}
data = g_new0 (FileRemoveData, 1);
data->dtree = dtree;
data->ino = ino;
data->en = en;
data->file_remove_cb = file_remove_cb;
data->req = req;
s3client_pool_get_client (application_get_ops_client_pool (dtree->app),
dir_tree_file_remove_on_http_client_cb, data);
return TRUE;
}
// return directory buffer from the cache
// or regenerate directory cache
void dir_tree_fill_dir_buf (DirTree *dtree,
fuse_ino_t ino, size_t size, off_t off,
dir_tree_readdir_cb readdir_cb, fuse_req_t req)
{
DirEntry *en;
DirTreeFillDirData *dir_fill_data;
time_t t;
LOG_debug (DIR_TREE_LOG, "Requesting directory buffer for dir ino %"INO_FMT", size: %zd, off: %"OFF_FMT, ino, size, off);
en = g_hash_table_lookup (dtree->h_inodes, GUINT_TO_POINTER (ino));
// if directory does not exist
// or it's not a directory type ?
if (!en || en->type != DET_dir) {
LOG_msg (DIR_TREE_LOG, "Directory (ino = %"INO_FMT") not found !", ino);
readdir_cb (req, FALSE, size, off, NULL, 0);
return;
}
t = time (NULL);
// already have directory buffer in the cache
if (en->dir_cache_size && t >= en->dir_cache_created && t - en->dir_cache_created <= dtree->dir_cache_max_time) {
LOG_debug (DIR_TREE_LOG, "Sending directory buffer (ino = %"INO_FMT") from cache !", ino);
readdir_cb (req, TRUE, size, off, en->dir_cache, en->dir_cache_size);
return;
}
LOG_debug (DIR_TREE_LOG, "cache time: %ld now: %ld", en->dir_cache_created, t);
// reset dir cache
if (en->dir_cache)
g_free (en->dir_cache);
en->dir_cache_size = 0;
en->dir_cache_created = 0;
dir_fill_data = g_new0 (DirTreeFillDirData, 1);
dir_fill_data->dtree = dtree;
dir_fill_data->ino = ino;
dir_fill_data->size = size;
dir_fill_data->off = off;
dir_fill_data->readdir_cb = readdir_cb;
dir_fill_data->req = req;
dir_fill_data->en = en;
if (!s3client_pool_get_client (application_get_ops_client_pool (dtree->app), dir_tree_fill_dir_on_http_ready, dir_fill_data)) {
LOG_err (DIR_TREE_LOG, "Failed to get HTTP client !");
readdir_cb (req, FALSE, size, off, NULL, 0);
g_free (dir_fill_data);
}
}
static void stat_srv_on_stats_cb (struct evhttp_request *req, void *ctx)
{
StatSrv *stat_srv = (StatSrv *) ctx;
struct evbuffer *evb = NULL;
gint ref = 0;
GString *str;
struct evhttp_uri *uri;
guint32 total_inodes, file_num, dir_num;
guint64 read_ops, write_ops, readdir_ops, lookup_ops;
guint32 cache_entries;
guint64 total_cache_size, cache_hits, cache_miss;
struct tm *cur_p;
struct tm cur;
time_t now;
char ts[50];
uri = evhttp_uri_parse (evhttp_request_get_uri (req));
LOG_debug (STAT_LOG, "Incoming request: %s from %s:%d",
evhttp_request_get_uri (req), req->remote_host, req->remote_port);
if (uri) {
const gchar *query;
query = evhttp_uri_get_query (uri);
if (query) {
const gchar *refresh = NULL;
struct evkeyvalq q_params;
TAILQ_INIT (&q_params);
evhttp_parse_query_str (query, &q_params);
refresh = http_find_header (&q_params, "refresh");
if (refresh)
ref = atoi (refresh);
evhttp_clear_headers (&q_params);
}
evhttp_uri_free (uri);
}
str = g_string_new (NULL);
now = time (NULL);
localtime_r (&now, &cur);
cur_p = &cur;
if (!strftime (ts, sizeof (ts), "%H:%M:%S", cur_p))
ts[0] = '\0';
g_string_append_printf (str, "RioFS version: %s Uptime: %u sec, Now: %s, Log level: %d, Dir cache time: %u sec<BR>",
VERSION, (guint32)(now - stat_srv->boot_time), ts, log_level,
conf_get_uint (application_get_conf (stat_srv->app), "filesystem.dir_cache_max_time"));
// DirTree
dir_tree_get_stats (application_get_dir_tree (stat_srv->app), &total_inodes, &file_num, &dir_num);
g_string_append_printf (str, "<BR>DirTree: <BR>-Total inodes: %u, Total files: %u, Total directories: %u<BR>",
total_inodes, file_num, dir_num);
// Fuse
rfuse_get_stats (application_get_rfuse (stat_srv->app), &read_ops, &write_ops, &readdir_ops, &lookup_ops);
g_string_append_printf (str, "<BR>Fuse: <BR>-Read ops: %"G_GUINT64_FORMAT", Write ops: %"G_GUINT64_FORMAT
", Readdir ops: %"G_GUINT64_FORMAT", Lookup ops: %"G_GUINT64_FORMAT"<BR>",
read_ops, write_ops, readdir_ops, lookup_ops);
// CacheMng
cache_mng_get_stats (application_get_cache_mng (stat_srv->app), &cache_entries, &total_cache_size, &cache_hits, &cache_miss);
g_string_append_printf (str, "<BR>CacheMng: <BR>-Total entries: %"G_GUINT32_FORMAT", Total cache size: %"G_GUINT64_FORMAT
" bytes, Cache hits: %"G_GUINT64_FORMAT", Cache misses: %"G_GUINT64_FORMAT" <BR>",
cache_entries, total_cache_size, cache_hits, cache_miss);
g_string_append_printf (str, "<BR>Read workers (%d): <BR>",
client_pool_get_client_count (application_get_read_client_pool (stat_srv->app)));
client_pool_get_client_stats_info (application_get_read_client_pool (stat_srv->app), str, &print_format_http);
g_string_append_printf (str, "<BR>Write workers (%d): <BR>",
client_pool_get_client_count (application_get_write_client_pool (stat_srv->app)));
client_pool_get_client_stats_info (application_get_write_client_pool (stat_srv->app), str, &print_format_http);
g_string_append_printf (str, "<BR>Op workers (%d): <BR>",
client_pool_get_client_count (application_get_ops_client_pool (stat_srv->app)));
client_pool_get_client_stats_info (application_get_ops_client_pool (stat_srv->app), str, &print_format_http);
g_string_append_printf (str, "<BR><BR>Operation history (%u max items): <BR>",
conf_get_uint (application_get_conf (stat_srv->app), "statistics.history_size"));
g_queue_foreach (stat_srv->q_op_history, (GFunc) stat_srv_print_history_item, str);
evb = evbuffer_new ();
evbuffer_add_printf (evb, "<HTTP>");
if (ref) {
evbuffer_add_printf (evb, "<HEAD><meta http-equiv=\"refresh\" content=\"%d\"></HEAD>", ref);
}
evbuffer_add_printf (evb, "<BODY>");
evbuffer_add (evb, str->str, str->len);
evbuffer_add_printf (evb, "</BODY></HTTP>");
evhttp_send_reply (req, HTTP_OK, "OK", evb);
evbuffer_free (evb);
g_string_free (str, TRUE);
}
