alias: 'widget.pveQemuMonitor',
- maxLines: 500,
+ // start to trim saved command output once there are *both*, more than `commandLimit` commands
+ // executed and the total of saved in+output is over `lineLimit` lines; repeat by dropping one
+ // full command output until either condition is false again
+ commandLimit: 10,
+ lineLimit: 5000,
- initComponent : function() {
+ initComponent: function() {
var me = this;
var nodename = me.pveSelNode.data.node;
var history = [];
var histNum = -1;
- var lines = [];
+ let commands = [];
var textbox = Ext.createWidget('panel', {
region: 'center',
autoScroll: true,
border: true,
margins: '5 5 5 5',
- bodyStyle: 'font-family: monospace;'
+ bodyStyle: 'font-family: monospace;',
});
var scrollToEnd = function() {
};
var refresh = function() {
- textbox.update('<pre>' + lines.join('\n') + '</pre>');
+ textbox.update(`<pre>${commands.flat(2).join('\n')}</pre>`);
scrollToEnd();
};
- var addLine = function(line) {
- lines.push(line);
- if (lines.length > me.maxLines) {
- lines.shift();
+ let recordInput = line => {
+ commands.push([line]);
+
+ // drop oldest commands and their output until we're not over both limits anymore
+ while (commands.length > me.commandLimit && commands.flat(2).length > me.lineLimit) {
+ commands.shift();
}
};
+ let addResponse = lines => commands[commands.length - 1].push(lines);
+
var executeCmd = function(cmd) {
- addLine("# " + Ext.htmlEncode(cmd));
+ recordInput("# " + Ext.htmlEncode(cmd), true);
if (cmd) {
history.unshift(cmd);
if (history.length > 20) {
waitMsgTarget: me,
success: function(response, opts) {
var res = response.result.data;
- Ext.Array.each(res.split('\n'), function(line) {
- addLine(Ext.htmlEncode(line));
- });
+ addResponse(res.split('\n').map(line => Ext.htmlEncode(line)));
refresh();
},
failure: function(response, opts) {
Ext.Msg.alert('Error', response.htmlStatus);
- }
+ },
});
};
textbox,
{
region: 'south',
- margins:'0 5 5 5',
+ margins: '0 5 5 5',
border: false,
xtype: 'textfield',
name: 'cmd',
listeners: {
afterrender: function(f) {
f.focus(false);
- addLine("Type 'help' for help.");
+ recordInput("Type 'help' for help.");
refresh();
},
specialkey: function(f, e) {
default:
break;
}
- }
- }
- }
+ },
+ },
+ },
],
listeners: {
show: function() {
var field = me.query('textfield[name="cmd"]')[0];
field.focus(false, true);
- }
- }
+ },
+ },
});
me.callParent();
- }
+ },
});