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refactor(async): add dialer and upgrader (#462)

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* chore(deps): update connection and multistream

* feat: add basic dial support for addresses and peers

* test: automatically require all node test files

* fix: dont catch and log in the wrong place

* test: add direct spec test

fix: improve dial error consistency

* feat: add dial timeouts and concurrency

Queue timeouts will result in aborts of the dials

* chore: fix linting

* test: verify dialer defaults

* feat: add initial upgrader

* fix: add more test coverage and fix bugs

* feat: libp2p creates the upgrader

* feat: hook up handle to the upgrader

* feat: hook up the dialer to libp2p

test: add node dialer libp2p tests

* feat: add connection listeners to upgrader

* feat: emit connect and disconnect events

* chore: use libp2p-interfaces

* fix: address review feedback

* fix: correct import

* refactor: dedupe connection creation code
This commit is contained in:
Jacob Heun
2019-10-21 16:53:58 +02:00
parent b37ccc7279
commit 5e1dbc21a2
20 changed files with 1481 additions and 142 deletions
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20
src/transport-manager.js
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@ -13,14 +13,12 @@ class TransportManager {
* @param {object} options
* @param {Libp2p} options.libp2p The Libp2p instance. It will be passed to the transports.
* @param {Upgrader} options.upgrader The upgrader to provide to the transports
* @param {function(Connection)} options.onConnection Called whenever an incoming connection is received
*/
constructor ({ libp2p, upgrader, onConnection }) {
constructor ({ libp2p, upgrader }) {
this.libp2p = libp2p
this.upgrader = upgrader
this._transports = new Map()
this._listeners = new Map()
this.onConnection = onConnection
}
/**
@ -45,7 +43,9 @@ class TransportManager {
})
this._transports.set(key, transport)
this._listeners.set(key, [])
if (!this._listeners.has(key)) {
this._listeners.set(key, [])
}
}
/**
@ -57,11 +57,13 @@ class TransportManager {
for (const [key, listeners] of this._listeners) {
log('closing listeners for %s', key)
while (listeners.length) {
tasks.push(listeners.pop().close())
const listener = listeners.pop()
tasks.push(listener.close())
}
}
await Promise.all(tasks)
log('all listeners closed')
this._listeners.clear()
}
@ -76,8 +78,12 @@ class TransportManager {
if (!transport) {
throw errCode(new Error(`No transport available for address ${String(ma)}`), codes.ERR_TRANSPORT_UNAVAILABLE)
}
const conn = await transport.dial(ma, options)
return conn
try {
return await transport.dial(ma, options)
} catch (err) {
throw errCode(new Error('Transport dial failed'), codes.ERR_TRANSPORT_DIAL_FAILED, err)
}
}
/**