topoEvent.js
4.04 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
ONOS GUI -- Topology Event Module.
Defines event handling for events received from the server.
*/
(function () {
'use strict';
// injected refs
var $log, wss, wes, tps, tis;
// internal state
var wsock;
var evHandler = {
showSummary: showSummary,
addInstance: addInstance,
updateInstance: updateInstance,
removeInstance: removeInstance
// TODO: implement remaining handlers..
};
function unknownEvent(ev) {
$log.warn('Unknown event (ignored):', ev);
}
// === Event Handlers ===
function showSummary(ev) {
$log.debug(' **** Show Summary **** ', ev.payload);
tps.showSummary(ev.payload);
}
function addInstance(ev) {
$log.debug(' **** Add Instance **** ', ev.payload);
tis.addInstance(ev.payload);
}
function updateInstance(ev) {
$log.debug(' **** Update Instance **** ', ev.payload);
tis.updateInstance(ev.payload);
}
function removeInstance(ev) {
$log.debug(' **** Remove Instance **** ', ev.payload);
tis.removeInstance(ev.payload);
}
// ==========================
var dispatcher = {
handleEvent: function (ev) {
(evHandler[ev.event] || unknownEvent)(ev);
},
sendEvent: function (evType, payload) {
if (wsock) {
wes.sendEvent(wsock, evType, payload);
} else {
$log.warn('sendEvent: no websocket open:', evType, payload);
}
}
};
// === Web Socket functions ===
function onWsOpen() {
$log.debug('web socket opened...');
// kick off request for periodic summary data...
dispatcher.sendEvent('requestSummary');
}
function onWsMessage(ev) {
dispatcher.handleEvent(ev);
}
function onWsClose(reason) {
$log.log('web socket closed; reason=', reason);
wsock = null;
}
// ==========================
angular.module('ovTopo')
.factory('TopoEventService',
['$log', '$location', 'WebSocketService', 'WsEventService',
'TopoPanelService', 'TopoInstService',
function (_$log_, $loc, _wss_, _wes_, _tps_, _tis_) {
$log = _$log_;
wss = _wss_;
wes = _wes_;
tps = _tps_;
tis = _tis_;
function bindDispatcher(TopoDomElementsPassedHere) {
// TODO: store refs to topo DOM elements...
return dispatcher;
}
// TODO: handle "guiSuccessor" functionality (replace host)
// TODO: implement retry on close functionality
function openSock() {
wsock = wss.createWebSocket('topology', {
onOpen: onWsOpen,
onMessage: onWsMessage,
onClose: onWsClose,
wsport: $loc.search().wsport
});
$log.debug('web socket opened:', wsock);
}
function closeSock() {
var path;
if (wsock) {
path = wsock.meta.path;
wsock.close();
wsock = null;
$log.debug('web socket closed. path:', path);
}
}
return {
bindDispatcher: bindDispatcher,
openSock: openSock,
closeSock: closeSock
};
}]);
}());