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author | Timoney, Daniel (dt5972) <dtimoney@att.com> | 2017-02-15 10:37:53 -0500 |
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committer | Timoney, Daniel (dt5972) <dtimoney@att.com> | 2017-02-15 10:40:37 -0500 |
commit | 324ee36fe31763e507b422ab0a88e4230045e205 (patch) | |
tree | d0b04520f6657601c918ce63fd27575977624187 /dgbuilder/public/red/comms.js | |
parent | f0c97e8db427481e28c0a16b789bc73801b35e47 (diff) |
Initial commit for OpenECOMP SDN-C OA&M
Change-Id: I7ab579fd0d206bf356f36d52dcdf4f71f1fa2680
Signed-off-by: Timoney, Daniel (dt5972) <dtimoney@att.com>
Former-commit-id: 2a9f0edd09581f907e62ec4689b5ac94dd5382ba
Diffstat (limited to 'dgbuilder/public/red/comms.js')
-rw-r--r-- | dgbuilder/public/red/comms.js | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/dgbuilder/public/red/comms.js b/dgbuilder/public/red/comms.js new file mode 100644 index 00000000..64912476 --- /dev/null +++ b/dgbuilder/public/red/comms.js @@ -0,0 +1,93 @@ +/** + * Copyright 2014 IBM Corp. + * + * 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. + **/ + +RED.comms = (function() { + + var errornotification = null; + var subscriptions = {}; + var ws; + function connectWS() { + var path = location.hostname+":"+location.port+document.location.pathname; + path = path+(path.slice(-1) == "/"?"":"/")+"comms"; + path = "ws"+(document.location.protocol=="https:"?"s":"")+"://"+path; + ws = new WebSocket(path); + ws.onopen = function() { + if (errornotification) { + errornotification.close(); + errornotification = null; + } + for (var t in subscriptions) { + if (subscriptions.hasOwnProperty(t)) { + ws.send(JSON.stringify({subscribe:t})); + } + } + } + ws.onmessage = function(event) { + var msg = JSON.parse(event.data); + if (msg.topic) { + for (var t in subscriptions) { + if (subscriptions.hasOwnProperty(t)) { + var re = new RegExp("^"+t.replace(/([\[\]\?\(\)\\\\$\^\*\.|])/g,"\\$1").replace(/\+/g,"[^/]+").replace(/\/#$/,"(\/.*)?")+"$"); + if (re.test(msg.topic)) { + var subscribers = subscriptions[t]; + if (subscribers) { + for (var i=0;i<subscribers.length;i++) { + subscribers[i](msg.topic,msg.data); + } + } + } + } + } + } + }; + ws.onclose = function() { + if (errornotification == null) { + errornotification = RED.notify("<b>Error</b>: Lost connection to server","error",true); + } + setTimeout(connectWS,1000); + } + } + + function subscribe(topic,callback) { + if (subscriptions[topic] == null) { + subscriptions[topic] = []; + } + subscriptions[topic].push(callback); + if (ws && ws.readyState == 1) { + ws.send(JSON.stringify({subscribe:topic})); + } + } + + function unsubscribe(topic,callback) { + if (subscriptions.topic) { + for (var i=0;i<subscriptions.topic.length;i++) { + if (subscriptions.topic[i] === callback) { + subscriptions.topic.splice(i,1); + break; + } + } + if (subscriptions.topic.length === 0) { + delete subscriptions.topic; + } + } + } + + return { + connect: connectWS, + subscribe: subscribe, + unsubscribe:unsubscribe + } +})(); |