Merge pull request #7101 from dannil/mod-status-poll-logs

[project/luci.git] / modules / luci-mod-status / htdocs / luci-static / resources / view / status / syslog.js

diff --git a/modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js b/modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js
index 6ef7d09c70bd7ff94343515a29cd38bd5d853e36..2e3d705c222059609dba6918f1b15b9d82b4bd86 100644 (file)
--- a/modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js
+++ b/modules/luci-mod-status/htdocs/luci-static/resources/view/status/syslog.js
@@ -1,27 +1,42 @@
 'use strict';
 'require view';
 'require fs';
+'require poll';
 'require ui';
 
 return view.extend({
-       load: function() {
+       retrieveLog: async function() {
                return Promise.all([
                        L.resolveDefault(fs.stat('/sbin/logread'), null),
                        L.resolveDefault(fs.stat('/usr/sbin/logread'), null)
                ]).then(function(stat) {
                        var logger = stat[0] ? stat[0].path : stat[1] ? stat[1].path : null;
 
-                       return fs.exec_direct(logger, [ '-e', '^' ]).catch(function(err) {
+                       return fs.exec_direct(logger, [ '-e', '^' ]).then(logdata => {
+                               const loglines = logdata.trim().split(/\n/);
+                               return { value: loglines.join('\n'), rows: loglines.length + 1 };
+                       }).catch(function(err) {
                                ui.addNotification(null, E('p', {}, _('Unable to load log data: ' + err.message)));
                                return '';
                        });
                });
        },
 
-       render: function(logdata) {
-               var loglines = logdata.trim().split(/\n/);
+       pollLog: async function() {
+               const element = document.getElementById('syslog');
+               if (element) {
+                       const log = await this.retrieveLog();
+                       element.value = log.value;
+                       element.rows = log.rows;
+               }
+       },
 
+       load: async function() {
+               poll.add(this.pollLog.bind(this));
+               return await this.retrieveLog();
+       },
 
+       render: function(loglines) {
                var scrollDownButton = E('button', { 
                                'id': 'scrollDownButton',
                                'class': 'cbi-button cbi-button-neutral'
@@ -49,8 +64,8 @@ return view.extend({
                                        'style': 'font-size:12px',
                                        'readonly': 'readonly',
                                        'wrap': 'off',
-                                       'rows': loglines.length + 1
-                               }, [ loglines.join('\n') ]),
+                                       'rows': loglines.rows,
+                               }, [ loglines.value ]),
                                E('div', {'style': 'padding-bottom: 20px'}, [scrollUpButton])
                        ])
                ]);