Initial commit

1 files changed, 124 insertions, 0 deletions

diff --git a/demo/host.js b/demo/host.js
new file mode 100644
index 0000000..e91f4c7
--- /dev/null
+++ b/demo/host.js
@@ -0,0 +1,124 @@
+global.pingStart = null;
+
+const sampleData = {
+    _type: "init",
+    name: "Kartik Core",
+    version: "21.04.5",
+    id: null,
+    modded: false
+}
+
+function crash(e) {
+    console.log("Communication error");
+    console.error(e);
+    process.exit(2);
+}
+
+function exit() {
+    process.exit();
+}
+
+var net = require('net');
+
+var host = 'localhost';
+var port = 8888;
+
+var client = new net.Socket();
+client.initialized = false;
+
+client.connect(port, host, () => {
+    console.log("Connected to " + host + ":" + port);
+    client.write(JSON.stringify(sampleData));
+})
+
+client.on('data', (data) => {
+    try {
+        d = data.toString();
+        try {
+            info = JSON.parse(d);
+        } catch(e) {
+            if (e.message.startsWith("Unexpected token")) {
+                info = JSON.parse(d.substr(0, e.message.split(" ")[e.message.split(" ").length - 1]));
+            }
+        }
+    } catch (e) {
+        crash(e)
+    }
+    if (typeof info['_type'] != "string") {
+        crash(new Error("Invalid JSON data"));
+    }
+    if (!client.initialized) {
+        switch (info['_type']) {
+            case "init":
+                if (info['name'] !== "Kartik Server") {
+                    crash(new Error("Invalid server"));
+                }
+                console.log("Connection initialized. Server running " + info.name + " version " + info.version + ", client ID " + info.id);
+                client.initialized = true;
+                break;
+            case "error":
+                console.log(info['type'] + ": " + info['message']);
+                break;
+            default:
+                crash(new Error("Trying to receive data but client not initialized"));
+                break;
+        }
+    } else {
+        switch (info['_type']) {
+            case "init":
+                crash(new Error("Trying to initialize client but client is already initialized"));
+                break;
+            case "error":
+                console.log(info['type'] + ": " + info['message']);
+                break;
+                break;
+            case "linked":
+                console.log("Now hooked into link: (H) " + info['ids']['host'] + " <-> " + info['ids']['guest'] + " (G)");
+                setInterval(() => {
+                    client.write(JSON.stringify({
+                        _type: "ipc",
+                        action: "Ping",
+                        message: null
+                    }))
+                    global.pingStart = new Date();
+                }, 1000)
+                break;
+            default:
+                if (info['_type'] === "ipc" && info['action'] === "Ping") {
+                    client.write(JSON.stringify({
+                        _type: "ipc",
+                        action: "Pong",
+                        message: null
+                    }))
+                    return;
+                }
+                if (info['_type'] === "ipc" && info['action'] === "Pong") {
+                    pingEnd = new Date();
+                    ping = Math.round(pingEnd - pingStart);
+                    global.pingStart = null;
+                    console.log("Ping: " + ping + " ms");
+                    return;
+                }
+                console.log("Data:");
+                console.dir(info);
+                break;
+        }
+    }
+})
+
+client.on('close', () => {
+    console.log("Kicked from server");
+    exit();
+})
+
+client.on('error', (e) => {
+    switch (e.code) {
+        case "ECONNREFUSED":
+            console.log("Unable to connect to server");
+            break;
+        default:
+            console.log("Internal error");
+            break;
+    }
+    crash(e);
+})
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