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Commit | Line | Data |
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dcf3d43b DC |
1 | console.log('xtermjs: starting'); |
2 | ||
3 | var states = { | |
4 | start: 1, | |
5 | connecting: 2, | |
6 | connected: 3, | |
7 | disconnecting: 4, | |
8 | disconnected: 5, | |
291e1a24 | 9 | reconnecting: 6, |
dcf3d43b DC |
10 | }; |
11 | ||
12 | var term, | |
13 | protocol, | |
14 | socketURL, | |
15 | socket, | |
16 | ticket, | |
dcf3d43b DC |
17 | resize, |
18 | ping, | |
291e1a24 DC |
19 | state = states.start, |
20 | starttime = new Date(); | |
21 | ||
22 | var type = getQueryParameter('console'); | |
23 | var vmid = getQueryParameter('vmid'); | |
24 | var vmname = getQueryParameter('vmname'); | |
25 | var nodename = getQueryParameter('node'); | |
6c7c792d | 26 | var cmd = getQueryParameter('cmd'); |
dcf3d43b DC |
27 | |
28 | function updateState(newState, msg) { | |
29 | var timeout, severity, message; | |
30 | switch (newState) { | |
31 | case states.connecting: | |
32 | message = "Connecting..."; | |
33 | timeout = 0; | |
34 | severity = severities.warning; | |
35 | break; | |
36 | case states.connected: | |
37 | message = "Connected"; | |
38 | break; | |
39 | case states.disconnecting: | |
40 | message = "Disconnecting..."; | |
41 | timeout = 0; | |
42 | severity = severities.warning; | |
43 | break; | |
291e1a24 DC |
44 | case states.reconnecting: |
45 | message = "Reconnecting..."; | |
46 | timeout = 0; | |
47 | severity = severities.warning; | |
48 | break; | |
dcf3d43b DC |
49 | case states.disconnected: |
50 | switch (state) { | |
51 | case states.start: | |
52 | case states.connecting: | |
291e1a24 | 53 | case states.reconnecting: |
dcf3d43b DC |
54 | message = "Connection failed"; |
55 | timeout = 0; | |
56 | severity = severities.error; | |
57 | break; | |
58 | case states.connected: | |
59 | case states.disconnecting: | |
291e1a24 DC |
60 | var time_since_started = new Date() - starttime; |
61 | timeout = 5000; | |
3645b3f4 | 62 | if (time_since_started > 5*1000 || type === 'shell') { |
291e1a24 DC |
63 | message = "Connection closed"; |
64 | } else { | |
65 | message = "Connection failed"; | |
66 | severity = severities.error; | |
67 | } | |
dcf3d43b DC |
68 | break; |
69 | case states.disconnected: | |
70 | // no state change | |
71 | break; | |
72 | default: | |
73 | throw "unknown state"; | |
74 | } | |
75 | break; | |
76 | default: | |
77 | throw "unknown state"; | |
78 | } | |
79 | if (msg) { | |
80 | message += " (" + msg + ")"; | |
81 | } | |
82 | state = newState; | |
83 | showMsg(message, timeout, severity); | |
84 | } | |
85 | ||
86 | var terminalContainer = document.getElementById('terminal-container'); | |
87 | document.getElementById('status_bar').addEventListener('click', hideMsg); | |
b9bbd688 | 88 | const fitAddon = new FitAddon.FitAddon(); |
dcf3d43b DC |
89 | |
90 | createTerminal(); | |
91 | ||
92 | function createTerminal() { | |
37445374 | 93 | term = new Terminal(getTerminalSettings()); |
b9bbd688 | 94 | term.loadAddon(fitAddon); |
dcf3d43b | 95 | |
b9bbd688 | 96 | term.onResize(function (size) { |
dcf3d43b DC |
97 | if (state === states.connected) { |
98 | socket.send("1:" + size.cols + ":" + size.rows + ":"); | |
99 | } | |
100 | }); | |
101 | ||
102 | protocol = (location.protocol === 'https:') ? 'wss://' : 'ws://'; | |
103 | ||
104 | var params = {}; | |
dcf3d43b DC |
105 | var url = '/nodes/' + nodename; |
106 | switch (type) { | |
107 | case 'kvm': | |
108 | url += '/qemu/' + vmid; | |
dcf3d43b DC |
109 | break; |
110 | case 'lxc': | |
111 | url += '/lxc/' + vmid; | |
dcf3d43b DC |
112 | break; |
113 | case 'upgrade': | |
af39a6f0 | 114 | params.cmd = 'upgrade'; |
dcf3d43b | 115 | break; |
6c7c792d TM |
116 | case 'cmd': |
117 | params.cmd = decodeURI(cmd); | |
118 | break; | |
dcf3d43b DC |
119 | } |
120 | API2Request({ | |
121 | method: 'POST', | |
122 | params: params, | |
123 | url: url + '/termproxy', | |
124 | success: function(result) { | |
125 | var port = encodeURIComponent(result.data.port); | |
126 | ticket = result.data.ticket; | |
127 | socketURL = protocol + location.hostname + ((location.port) ? (':' + location.port) : '') + '/api2/json' + url + '/vncwebsocket?port=' + port + '&vncticket=' + encodeURIComponent(ticket); | |
128 | ||
129 | term.open(terminalContainer, true); | |
130 | socket = new WebSocket(socketURL, 'binary'); | |
131 | socket.binaryType = 'arraybuffer'; | |
132 | socket.onopen = runTerminal; | |
291e1a24 DC |
133 | socket.onclose = tryReconnect; |
134 | socket.onerror = tryReconnect; | |
dcf3d43b DC |
135 | window.onbeforeunload = stopTerminal; |
136 | updateState(states.connecting); | |
137 | }, | |
138 | failure: function(msg) { | |
139 | updateState(states.disconnected,msg); | |
140 | } | |
141 | }); | |
142 | ||
143 | } | |
144 | ||
145 | function runTerminal() { | |
146 | socket.onmessage = function(event) { | |
920ae86d | 147 | var answer = new Uint8Array(event.data); |
dcf3d43b DC |
148 | if (state === states.connected) { |
149 | term.write(answer); | |
150 | } else if(state === states.connecting) { | |
920ae86d | 151 | if (answer[0] === 79 && answer[1] === 75) { // "OK" |
dcf3d43b DC |
152 | updateState(states.connected); |
153 | term.write(answer.slice(2)); | |
154 | } else { | |
155 | socket.close(); | |
156 | } | |
157 | } | |
158 | }; | |
159 | ||
b9bbd688 | 160 | term.onData(function(data) { |
dcf3d43b DC |
161 | if (state === states.connected) { |
162 | socket.send("0:" + unescape(encodeURIComponent(data)).length.toString() + ":" + data); | |
163 | } | |
164 | }); | |
165 | ||
166 | ping = setInterval(function() { | |
167 | socket.send("2"); | |
168 | }, 30*1000); | |
169 | ||
170 | window.addEventListener('resize', function() { | |
171 | clearTimeout(resize); | |
172 | resize = setTimeout(function() { | |
173 | // done resizing | |
b9bbd688 | 174 | fitAddon.fit(); |
dcf3d43b DC |
175 | }, 250); |
176 | }); | |
177 | ||
5e91985c | 178 | socket.send(PVE.UserName + ':' + ticket + "\n"); |
dcf3d43b | 179 | |
1553e6ef DC |
180 | // initial focus and resize |
181 | setTimeout(function() { | |
182 | term.focus(); | |
b9bbd688 | 183 | fitAddon.fit(); |
1553e6ef | 184 | }, 250); |
dcf3d43b DC |
185 | } |
186 | ||
291e1a24 DC |
187 | function getLxcStatus(callback) { |
188 | API2Request({ | |
189 | method: 'GET', | |
190 | url: '/nodes/' + nodename + '/lxc/' + vmid + '/status/current', | |
191 | success: function(result) { | |
192 | if (typeof callback === 'function') { | |
193 | callback(true, result); | |
194 | } | |
195 | }, | |
196 | failure: function(msg) { | |
197 | if (typeof callback === 'function') { | |
198 | callback(false, msg); | |
199 | } | |
200 | } | |
201 | }); | |
202 | } | |
203 | ||
204 | function checkMigration() { | |
205 | var apitype = type; | |
206 | if (apitype === 'kvm') { | |
207 | apitype = 'qemu'; | |
208 | } | |
209 | API2Request({ | |
210 | method: 'GET', | |
211 | params: { | |
212 | type: 'vm' | |
213 | }, | |
214 | url: '/cluster/resources', | |
215 | success: function(result) { | |
216 | // if not yet migrated , wait and try again | |
217 | // if not migrating and stopped, cancel | |
218 | // if started, connect | |
219 | result.data.forEach(function(entity) { | |
220 | if (entity.id === (apitype + '/' + vmid)) { | |
221 | var started = entity.status === 'running'; | |
222 | var migrated = entity.node !== nodename; | |
223 | if (migrated) { | |
224 | if (started) { | |
225 | // goto different node | |
226 | location.href = '?console=' + type + | |
227 | '&xtermjs=1&vmid=' + vmid + '&vmname=' + | |
228 | vmname + '&node=' + entity.node; | |
229 | } else { | |
230 | // wait again | |
231 | updateState(states.reconnecting, 'waiting for migration to finish...'); | |
232 | setTimeout(checkMigration, 5000); | |
233 | } | |
234 | } else { | |
235 | if (type === 'lxc') { | |
236 | // we have to check the status of the | |
237 | // container to know if it has the | |
238 | // migration lock | |
239 | getLxcStatus(function(success, result) { | |
240 | if (success) { | |
241 | if (result.data.lock === 'migrate') { | |
242 | // still waiting | |
243 | updateState(states.reconnecting, 'waiting for migration to finish...'); | |
244 | setTimeout(checkMigration, 5000); | |
8f2ac472 DC |
245 | } else if (started) { |
246 | // container was rebooted | |
247 | location.reload(); | |
291e1a24 DC |
248 | } else { |
249 | stopTerminal(); | |
250 | } | |
251 | } else { | |
252 | // probably the status call failed because | |
253 | // the ct is already somewhere else, so retry | |
254 | setTimeout(checkMigration, 1000); | |
255 | } | |
256 | }); | |
257 | } else if (started) { | |
258 | // this happens if we have old data in | |
259 | // /cluster/resources, or the connection | |
260 | // disconnected, so simply try to reload here | |
261 | location.reload(); | |
262 | } else if (type === 'kvm') { | |
263 | // it seems the guest simply stopped | |
264 | stopTerminal(); | |
265 | } | |
266 | } | |
267 | ||
268 | return; | |
269 | } | |
270 | }); | |
271 | }, | |
272 | failure: function(msg) { | |
273 | errorTerminal({msg: msg}); | |
274 | } | |
275 | }); | |
276 | } | |
277 | ||
278 | function tryReconnect() { | |
279 | var time_since_started = new Date() - starttime; | |
280 | var type = getQueryParameter('console'); | |
6c7c792d | 281 | if (time_since_started < 5*1000 || type === 'shell' || type === 'cmd') { // 5 seconds |
8c502b81 | 282 | stopTerminal(); |
291e1a24 | 283 | return; |
291e1a24 DC |
284 | } |
285 | ||
286 | updateState(states.disconnecting, 'Detecting migration...'); | |
287 | setTimeout(checkMigration, 5000); | |
288 | } | |
289 | ||
b9bbd688 DC |
290 | function clearEvents() { |
291 | term.onResize(() => {}); | |
292 | term.onData(() => {}); | |
293 | } | |
294 | ||
dcf3d43b | 295 | function stopTerminal(event) { |
8c502b81 | 296 | event = event || {}; |
b9bbd688 | 297 | clearEvents(); |
dcf3d43b DC |
298 | clearInterval(ping); |
299 | socket.close(); | |
300 | updateState(states.disconnected, event.msg + event.code); | |
301 | } | |
302 | ||
303 | function errorTerminal(event) { | |
8c502b81 | 304 | even = event || {}; |
b9bbd688 | 305 | clearEvents(); |
dcf3d43b DC |
306 | clearInterval(ping); |
307 | socket.close(); | |
f21a83b7 | 308 | term.dispose(); |
dcf3d43b DC |
309 | updateState(states.disconnected, event.msg + event.code); |
310 | } |