mnml/client/src/socket.jsx
2018-10-15 23:23:04 +11:00

152 lines
4.1 KiB
JavaScript

const { toast } = require('bulma-toast');
const cbor = require('borc');
const actions = require('./actions');
function errorToast(err) {
console.error(err);
return toast({
message: err,
type: 'is-warning',
duration: 5000,
});
}
// Create WebSocket connection.
// requires the redux store in order to push updates
// to components
function createSocket(store) {
let ws;
function connect() {
ws = new WebSocket('ws://localhost:40000');
ws.binaryType = 'arraybuffer';
// Connection opened
ws.addEventListener('open', function wsOpen(event) {
send({ method: 'account_login', params: { name: 'ntr', password: 'grepgrepgrep' } });
});
// Listen for messages
ws.addEventListener('message', onMessage);
ws.addEventListener('error', function wsError(event) {
console.error('WebSocket error', event);
account = null;
// return setTimeout(connect, 5000);
});
ws.addEventListener('close', function wsClose(event) {
console.error('WebSocket closed', event);
account = null;
return setTimeout(connect, 5000);
});
return ws;
}
// handle account auth within the socket itself
// https://www.christian-schneider.net/CrossSiteWebSocketHijacking.html
let account = null;
// -------------
// Incoming
// -------------
function accountLogin(res) {
const [struct, login] = res;
account = login;
store.dispatch(actions.setAccount(login));
// send({ method: 'cryp_spawn', params: { name: 'muji' } });
send({ method: 'account_cryps', params: {} });
send({ method: 'item_list', params: {}});
console.log(account);
}
function accountCryps(response) {
const [structName, cryps] = response;
store.dispatch(actions.setCryps(cryps));
console.log('got my cryps', cryps);
}
function battleState(response) {
const [structName, battle] = response;
store.dispatch(actions.setBattle(battle));
}
function crypSpawn(response) {
const [structName, cryp] = response;
console.log('got a new cryp', cryp);
}
function combatPve(response) {
const [structName, battle] = response;
console.log('got a new battle', battle);
}
function itemList(response) {
const [structName, items] = response;
store.dispatch(actions.setItems(items));
}
// -------------
// Outgoing
// -------------
function send(msg) {
msg.token = account && account.token;
ws.send(cbor.encode(msg));
}
function sendAccountLogin(name, password) {
send({ method: 'account_login', params: { name, password } });
}
function sendCrypSpawn(name) {
send({ method: 'cryp_spawn', params: { name } });
}
function sendCombatPve(id) {
send({ method: 'combat_pve', params: { id } });
}
// -------------
// Handling
// -------------
// when the server sends a reply it will have one of these message types
// this object wraps the reply types to a function
const handlers = {
cryp_spawn: crypSpawn,
combat_pve: combatPve,
battle_state: battleState,
account_login: accountLogin,
account_create: accountLogin,
account_cryps: accountCryps,
item_list: itemList,
};
// decodes the cbor and
// calls the handlers defined above based on message type
function onMessage(event) {
// decode binary msg from server
const blob = new Uint8Array(event.data);
const res = cbor.decode(blob);
console.log(res);
// check for error and split into response type and data
if (res.err) return errorToast(res.err);
const { method, params } = res;
if (!handlers[method]) return errorToast(`${method} handler missing`);
return handlers[method](params);
}
return {
sendAccountLogin,
sendCombatPve,
sendCrypSpawn,
connect,
};
}
module.exports = createSocket;