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Don't perform lookup for obvious IPs and account for async

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This old version of Node forces us to use callbacks, so I had to rearrange some code to ensure the client only launches after the resolution is complete
This commit is contained in:
gsemaj 2022-04-27 20:50:23 -04:00
parent 8d6e546628
commit 7ce21cdddc
1 changed files with 31 additions and 25 deletions
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60
assets/js/serverselector.js
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@ -156,32 +156,6 @@ function setGameInfo(serverUUID) {
window.asseturl = gameversion.url; // gameclient.js needs to access this window.asseturl = gameversion.url; // gameclient.js needs to access this
remotefs.writeFileSync(__dirname+"\\assetInfo.php", asseturl); remotefs.writeFileSync(__dirname+"\\assetInfo.php", asseturl);
// Server address parsing
var address;
var port;
var sepPos = result.ip.indexOf(":");
if (sepPos > -1) {
address = result.ip.substr(0, sepPos);
port = result.ip.substr(sepPos + 1);
} else {
address = result.ip
port = 23000 // default
}
// DNS resolution. there is no synchronous version unfortunately
// if the resolution fails, keep the original entry (includes plain IP cases)
var ip = address;
dns.resolve4(address, function(err, res) {
if(!err) {
ip = res[0];
console.log("Resolved " + address + " to " + ip);
}
var fullAddress = ip + ":" + port;
console.log("Will connect to " + fullAddress);
remotefs.writeFileSync(__dirname+"\\loginInfo.php", fullAddress);
if (result.hasOwnProperty('endpoint')) { if (result.hasOwnProperty('endpoint')) {
var httpendpoint = result.endpoint.replace("https://", "http://") var httpendpoint = result.endpoint.replace("https://", "http://")
remotefs.writeFileSync(__dirname+"\\rankurl.txt", httpendpoint+"getranks"); remotefs.writeFileSync(__dirname+"\\rankurl.txt", httpendpoint+"getranks");
@ -196,7 +170,40 @@ function setGameInfo(serverUUID) {
remotefs.writeFileSync(__dirname+"\\images.php", "assets/img/"); remotefs.writeFileSync(__dirname+"\\images.php", "assets/img/");
} }
} }
// Server address parsing
var address;
var port;
var sepPos = result.ip.indexOf(":");
if (sepPos > -1) {
address = result.ip.substr(0, sepPos);
port = result.ip.substr(sepPos + 1);
} else {
address = result.ip
port = 23000 // default
}
// DNS resolution. there is no synchronous version for some stupid reason
if(!address.match(/^[0-9.]+$/)) dns.resolve4(address, function(err, res) {
if(!err) {
console.log("Resolved " + address + " to " + res[0]);
address = res[0];
} else {
console.log("Err: " + err.code);
}
prepConnection(address, port);
}); });
else {
console.log(address + " is an IP; skipping DNS lookup");
prepConnection(address, port);
}
}
function prepConnection(address, port) {
var full = address + ":" + port;
console.log("Will connect to " + full);
remotefs.writeFileSync(__dirname+"\\loginInfo.php", full);
launchGame();
} }
// Returns the UUID of the server with the selected background color. // Returns the UUID of the server with the selected background color.
@ -216,7 +223,6 @@ function connectToServer() {
setTimeout(function(){ setTimeout(function(){
$('body,html').css('pointer-events',''); $('body,html').css('pointer-events','');
setGameInfo(getSelectedServer()); setGameInfo(getSelectedServer());
launchGame();
}, 200); }, 200);
}); });
} }