From 9c7eb75a9ac845d92bfdfd6cc574dc8f39bde293 Mon Sep 17 00:00:00 2001
From: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Date: Tue, 18 Oct 2022 21:59:47 -0700
Subject: websocker-server

---
 bench/websocket-server/chat-client.mjs | 182 +++++++++++++++++++++++++++++++++
 1 file changed, 182 insertions(+)
 create mode 100644 bench/websocket-server/chat-client.mjs

(limited to 'bench/websocket-server/chat-client.mjs')

diff --git a/bench/websocket-server/chat-client.mjs b/bench/websocket-server/chat-client.mjs
new file mode 100644
index 000000000..786ebde1c
--- /dev/null
+++ b/bench/websocket-server/chat-client.mjs
@@ -0,0 +1,182 @@
+const env =
+  "process" in globalThis
+    ? process.env
+    : "Deno" in globalThis
+    ? Deno.env.toObject()
+    : {};
+
+const SERVER = env.SERVER || "ws://0.0.0.0:4001";
+const WebSocket = globalThis.WebSocket || (await import("ws")).WebSocket;
+const LOG_MESSAGES = env.LOG_MESSAGES === "1";
+const CLIENTS_TO_WAIT_FOR = parseInt(env.CLIENTS_COUNT || "", 10) || 16;
+const DELAY = 64;
+const MESSAGES_TO_SEND = Array.from({ length: 32 }, () => [
+  "Hello World!",
+  "Hello World! 1",
+  "Hello World! 2",
+  "Hello World! 3",
+  "Hello World! 4",
+  "Hello World! 5",
+  "Hello World! 6",
+  "Hello World! 7",
+  "Hello World! 8",
+  "Hello World! 9",
+  "What is the meaning of life?",
+  "where is the bathroom?",
+  "zoo",
+  "kangaroo",
+  "erlang",
+  "elixir",
+  "bun",
+  "mochi",
+  "typescript",
+  "javascript",
+  "Hello World! 7",
+  "Hello World! 8",
+  "Hello World! 9",
+  "What is the meaning of life?",
+  "where is the bathroom?",
+  "zoo",
+  "kangaroo",
+  "erlang",
+  "elixir",
+  "bun",
+  "mochi",
+  "typescript",
+  "javascript",
+  "Hello World! 7",
+  "Hello World! 8",
+  "Hello World! 9",
+  "What is the meaning of life?",
+  "Hello World! 7",
+  "Hello World! 8",
+  "Hello World! 9",
+  "What is the meaning of life?",
+  "where is the bathroom?",
+  "zoo",
+  "kangaroo",
+  "erlang",
+  "elixir",
+  "bun",
+  "mochi",
+  "typescript",
+  "javascript",
+]).flat();
+
+const NAMES = Array.from({ length: 50 }, (a, i) => [
+  "Alice" + i,
+  "Bob" + i,
+  "Charlie" + i,
+  "David" + i,
+  "Eve" + i,
+  "Frank" + i,
+  "Grace" + i,
+  "Heidi" + i,
+  "Ivan" + i,
+  "Judy" + i,
+  "Karl" + i,
+  "Linda" + i,
+  "Mike" + i,
+  "Nancy" + i,
+  "Oscar" + i,
+  "Peggy" + i,
+  "Quentin" + i,
+  "Ruth" + i,
+  "Steve" + i,
+  "Trudy" + i,
+  "Ursula" + i,
+  "Victor" + i,
+  "Wendy" + i,
+  "Xavier" + i,
+  "Yvonne" + i,
+  "Zach" + i,
+])
+  .flat()
+  .slice(0, CLIENTS_TO_WAIT_FOR);
+
+console.log(`Connecting ${CLIENTS_TO_WAIT_FOR} WebSocket clients...`);
+console.time(`All ${CLIENTS_TO_WAIT_FOR} clients connected`);
+
+var remainingClients = CLIENTS_TO_WAIT_FOR;
+var promises = [];
+
+const clients = new Array(CLIENTS_TO_WAIT_FOR);
+for (let i = 0; i < CLIENTS_TO_WAIT_FOR; i++) {
+  clients[i] = new WebSocket(`${SERVER}?name=${NAMES[i]}`);
+  promises.push(
+    new Promise((resolve, reject) => {
+      clients[i].onmessage = (event) => {
+        resolve();
+      };
+    })
+  );
+}
+
+await Promise.all(promises);
+console.timeEnd(`All ${clients.length} clients connected`);
+
+var received = 0;
+var total = 0;
+var more = false;
+var remaining;
+
+for (let i = 0; i < CLIENTS_TO_WAIT_FOR; i++) {
+  clients[i].onmessage = (event) => {
+    if (LOG_MESSAGES) console.log(event.data);
+    received++;
+    remaining--;
+
+    if (remaining === 0) {
+      more = true;
+      remaining = total;
+    }
+  };
+}
+
+// each message is supposed to be received
+// by each client
+// so its an extra loop
+for (let i = 0; i < CLIENTS_TO_WAIT_FOR; i++) {
+  for (let j = 0; j < MESSAGES_TO_SEND.length; j++) {
+    for (let k = 0; k < CLIENTS_TO_WAIT_FOR; k++) {
+      total++;
+    }
+  }
+}
+remaining = total;
+
+function restart() {
+  for (let i = 0; i < CLIENTS_TO_WAIT_FOR; i++) {
+    for (let j = 0; j < MESSAGES_TO_SEND.length; j++) {
+      clients[i].send(MESSAGES_TO_SEND[j]);
+    }
+  }
+}
+
+var runs = [];
+setInterval(() => {
+  const last = received;
+  runs.push(last);
+  received = 0;
+  console.log(
+    last,
+    `messages per second (${CLIENTS_TO_WAIT_FOR} clients x ${MESSAGES_TO_SEND.length} msg, min delay: ${DELAY}ms)`
+  );
+
+  if (runs.length >= 10) {
+    console.log("10 runs");
+    console.log(JSON.stringify(runs, null, 2));
+    if ("process" in globalThis) process.exit(0);
+    runs.length = 0;
+  }
+}, 1000);
+var isRestarting = false;
+setInterval(() => {
+  if (more && !isRestarting) {
+    more = false;
+    isRestarting = true;
+    restart();
+    isRestarting = false;
+  }
+}, DELAY);
+restart();
-- 
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