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metamask controller - track active controller connections

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This commit is contained in:
kumavis 2018-08-21 16:30:11 -07:00
parent babd59a2dc
commit 3ac2b40dcf
1 changed files with 12 additions and 0 deletions
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12
app/scripts/metamask-controller.js
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@ -67,6 +67,10 @@ module.exports = class MetamaskController extends EventEmitter {
const initState = opts.initState || {}
this.recordFirstTimeInfo(initState)
// this keeps track of how many "controllerStream" connections are open
// the only thing that uses controller connections are open metamask UI instances
this.activeControllerConnections = 0
// platform-specific api
this.platform = opts.platform
@ -1209,11 +1213,19 @@ module.exports = class MetamaskController extends EventEmitter {
setupControllerConnection (outStream) {
const api = this.getApi()
const dnode = Dnode(api)
// report new active controller connection
this.activeControllerConnections++
this.emit('controllerConnectionChanged', this.activeControllerConnections)
// connect dnode api to remote connection
pump(
outStream,
dnode,
outStream,
(err) => {
// report new active controller connection
this.activeControllerConnections--
this.emit('controllerConnectionChanged', this.activeControllerConnections)
// report any error
if (err) log.error(err)
}
)