Add websocket statistics

res/template/admin.html

@@ -58,6 +58,25 @@
 						</thead>
 						<tbody id="tconnstat_body"></tbody>
 					</table>
+					<h3>Websocket statistics</h3>
+					<table>
+						<thead>
+							<tr>
+								<td>Watcher</td>
+								<td>Threads</td>
+								<td>Listeners</td>
+								<td>Avg</td>
+							</tr>
+						</thead>
+						<tbody>
+							<tr>
+								<td>File statistics</td>
+								<td id="file_stats_watchers"></td>
+								<td id="file_stats_listeners"></td>
+								<td id="file_stats_avg"></td>
+							</tr>
+						</tbody>
+					</table>
 					<h3>Query statistics</h3>
 					<table>
 						<thead>