Files

98 lines
3.6 KiB
JavaScript

exports.newNetworkModulesP2PNetworkPeers = function newNetworkModulesP2PNetworkPeers() {
/*
This module holds the P2P Nodes we are coonected to.
*/
let thisObject = {
peers: undefined,
sendMessage: sendMessage,
/* Framework Functions */
initialize: initialize,
finalize: finalize
}
const RECONNECT_DELAY = 10 * 1000
let intervalIdConnectToPeers
return thisObject
function finalize() {
thisObject.peers = undefined
clearInterval(intervalIdConnectToPeers)
}
async function initialize(
callerRole,
p2pNetworkIdentity,
p2pNetwork,
maxOutgoingPeers
) {
thisObject.peers = []
connectToPeers()
intervalIdConnectToPeers = setInterval(connectToPeers, RECONNECT_DELAY);
async function connectToPeers() {
if (thisObject.peers.length >= maxOutgoingPeers) { return }
for (let i = 0; i < p2pNetwork.p2pNodesToConnect.length; i++) {
if (thisObject.peers.length >= maxOutgoingPeers) { break }
let peer = {
p2pNetworkNode: undefined,
webSocketsClient: undefined
}
peer.p2pNetworkNode = p2pNetwork.p2pNodesToConnect[i]
if (isConnectedPeer(peer) === true) { continue }
peer.webSocketsClient = SA.projects.network.modules.webSocketsNetworkClient.newNetworkModulesWebSocketsNetworkClient()
await peer.webSocketsClient.initialize(callerRole, p2pNetworkIdentity, peer.p2pNetworkNode, onConnectionClosed)
.then(addPeer)
.catch(onError)
function addPeer() {
thisObject.peers.push(peer)
}
function onError(err) {
if (err !== undefined) {
console.log('[ERROR] P2P Network Peers -> onError -> While connecting to node -> ' + peer.p2pNetworkNode.userProfile.userProfileHandle + ' -> ' + peer.p2pNetworkNode.node.name + ' -> ' + err.message)
} else {
console.log('[WARN] P2P Network Peers -> onError -> Peer Not Available at the Moment -> ' + peer.p2pNetworkNode.userProfile.userProfileHandle + ' -> ' + peer.p2pNetworkNode.node.name)
}
}
function onConnectionClosed(webSocketsClientId) {
for (let i = 0; i < thisObject.peers.length; i++) {
let connectedPeer = thisObject.peers[i]
if (connectedPeer.webSocketsClient.id === webSocketsClientId) {
thisObject.peers.splice(i, 1)
return
}
}
}
}
function isConnectedPeer(peer) {
for (let i = 0; i < thisObject.peers.length; i++) {
let connectedPeer = thisObject.peers[i]
if (connectedPeer.p2pNetworkNode.node.id === peer.p2pNetworkNode.node.id) {
return true
}
}
}
}
}
async function sendMessage(message) {
/*
This function will send the message from a random picked network node
selected from the array of already connected peers.
*/
let peerIndex = Math.max(Math.round(Math.random() * thisObject.peers.length) - 1, 0)
let peer = thisObject.peers[peerIndex]
return await peer.webSocketsClient.sendMessage(message)
}
}