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initial websocket bindings #124
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,157 @@ | ||
| var events = require('events'); | ||
| var util = require('util'); | ||
|
|
||
| var debug = require('debug')('bindings'); | ||
| var WebSocket = require('ws'); | ||
|
|
||
| var BlenoBindings = function() { | ||
| var port = 0xB1f; | ||
| var ip = process.env.IP || 'localhost'; | ||
|
|
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| this._ws = new WebSocket('ws://' + ip + ':' + port); | ||
|
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| this._deviceUUID = null; | ||
|
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| this.on('message', this._onMessage.bind(this)); | ||
|
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||
| if (!this._ws.on) { | ||
| this._ws.on = this._ws.addEventListener; | ||
| } | ||
|
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| this._ws.on('open', this._onOpen.bind(this)); | ||
| this._ws.on('close', this._onClose.bind(this)); | ||
| this._ws.on('error', this._onError.bind(this)); | ||
|
|
||
| var _this = this; | ||
| this._ws.on('message', function(event) { | ||
| var data = (process.title === 'browser') ? event.data : event; | ||
|
|
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| _this.emit('message', JSON.parse(data)); | ||
| }); | ||
| }; | ||
|
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| util.inherits(BlenoBindings, events.EventEmitter); | ||
|
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| BlenoBindings.prototype._onOpen = function() { | ||
| }; | ||
|
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||
| BlenoBindings.prototype._onClose = function() { | ||
| this.emit('stateChange', 'poweredOff'); | ||
| }; | ||
|
|
||
| BlenoBindings.prototype._onError = function(error) { | ||
| this.emit('xpcError', error); | ||
| }; | ||
|
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| BlenoBindings.prototype._onMessage = function(event) { | ||
| var type = event.type; | ||
| var state = event.state; | ||
| var error = event.error; | ||
| var clientAddress = event.clientAddress; | ||
| var rssi = event.rssi; | ||
| var address = event.address; | ||
| var OSPlatform = event.OSPlatform; | ||
|
|
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| debug('on -> message: ' + JSON.stringify(event, undefined, 2)); | ||
|
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| if (type === 'stateChange') { | ||
| debug('state change ' + state); | ||
| this.emit('stateChange', state); | ||
| } else if (type === 'advertisingStart') { | ||
| this.emit('advertisingStart', error); | ||
| } else if (type === 'advertisingStartError') { | ||
| this.emit('advertisingStartError', error); | ||
| } else if (type === 'advertisingStop') { | ||
| this.emit('advertisingStop'); | ||
| } else if (type === 'servicesSet') { | ||
| this.emit('servicesSet', error); | ||
| } else if (type === 'servicesSetError') { | ||
| this.emit('servicesSetError', error); | ||
| } else if (type === 'accept') { | ||
| this._deviceUUID = clientAddress; | ||
| this.emit('accept', clientAddress); | ||
| } else if (type === 'disconnect') { | ||
| this.emit('disconnect', clientAddress); | ||
| } else if (type === 'rssiUpdate') { | ||
| this.emit('rssiUpdate', rssi); | ||
| } else if (type === 'addressChange') { | ||
| this.emit('addressChange', address); | ||
| } else if (type === 'OSPlatform'){ | ||
| this.emit('OSPlatform', OSPlatform); | ||
| } | ||
| }; | ||
|
|
||
| BlenoBindings.prototype._sendCommand = function(command) { | ||
| debug('on -> sendMessage: ' + JSON.stringify(command, undefined, 2)); | ||
| var message = JSON.stringify(command); | ||
| this._ws.send(message); | ||
| }; | ||
|
|
||
| BlenoBindings.prototype.disconnect = function() { | ||
| this._sendCommand({ | ||
| action: 'disconnect' | ||
| }); | ||
| }; | ||
|
|
||
| var blenoBindings = new BlenoBindings(); | ||
|
|
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| blenoBindings.platform = function(){ | ||
| this._sendCommand({ | ||
| action: 'OSPlatform' | ||
| }); | ||
| } | ||
|
|
||
| blenoBindings.startAdvertising = function(name, serviceUuids) { | ||
| this._sendCommand({ | ||
| action: 'startAdvertising', | ||
| name: name, | ||
| serviceUuids: serviceUuids | ||
| }); | ||
| }; | ||
|
|
||
| blenoBindings.startAdvertisingIBeacon = function(data) { | ||
| this._sendCommand({ | ||
| action: 'startAdvertisingIBeacon', | ||
| data: data.toString('hex'), | ||
| }); | ||
| }; | ||
|
|
||
| blenoBindings.startAdvertisingWithEIRData = function(advertisementData, scanData) { | ||
| if(!scanData){ | ||
| scanData = new Buffer([]); | ||
| } | ||
|
|
||
| this._sendCommand({ | ||
| action: 'startAdvertisingWithEIRData', | ||
| advertisementData: advertisementData.toString('hex'), | ||
| scanData: scanData.toString('hex') | ||
| }); | ||
| }; | ||
|
|
||
| blenoBindings.stopAdvertising = function() { | ||
| this._sendCommand({ | ||
| action: 'stopAdvertising' | ||
| }); | ||
| }; | ||
|
|
||
| blenoBindings.setServices = function(services) { | ||
| // todo serialize services more fully | ||
| this._sendCommand({ | ||
| action: 'setServices', | ||
| services: services | ||
| }); | ||
| }; | ||
|
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||
|
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| blenoBindings.updateRssi = function() { | ||
| if (this._deviceUUID === null) { | ||
| this.emit('rssiUpdate', 127); // not supported | ||
| } else { | ||
| this._sendCommand({ | ||
| action: 'updateRssi', | ||
| deviceUUID: this._deviceUUID | ||
| }); | ||
| } | ||
| }; | ||
|
|
||
| module.exports = blenoBindings; | ||
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Arbitrarily chose 0xB1f, one up from nobles websocket.