And the winner is Websocket client <===> Eventlet server

Author: jscriptcoder

check_ports.sh

@@ -0,0 +1,5 @@
+START=0
+END=9
+for ((i=START;i<=END;i++)); do
+    lsof -i tcp:500$i
+done

package.json

@@ -10,7 +10,17 @@
     "superagent-client": "babel-node src/clients/http/superagent_client.js",
     "socketio-client": "babel-node src/clients/socketio/socketio_client.js",
     "websocket-client": "babel-node src/clients/ws/websocket_client.js",
-    "ws-client": "babel-node src/clients/ws/ws_client.js"
+    "ws-client": "babel-node src/clients/ws/ws_client.js",
+    "run-axios-clients": "yarn axios-client --port 5000 && yarn axios-client --port 5001 && yarn axios-client --port 5002 && yarn axios-client --port 5003",
+    "run-fetch-clients": "yarn fetch-client --port 5000 && yarn fetch-client --port 5001 && yarn fetch-client --port 5002 && yarn fetch-client --port 5003",
+    "run-http-clients": "yarn http-client --port 5000 && yarn http-client --port 5001 && yarn http-client --port 5002 && yarn http-client --port 5003",
+    "run-superagent-clients": "yarn superagent-client --port 5000 && yarn superagent-client --port 5001 && yarn superagent-client --port 5002 && yarn superagent-client --port 5003",
+    "run-all-http-clients": "yarn run-axios-clients && yarn run-fetch-clients && yarn run-superagent-clients && yarn run-http-clients",
+    "run-socketio-client": "yarn socketio-client --port 5004 && yarn socketio-client --port 5005",
+    "run-websocket-clients": "yarn websocket-client --port 5006 && yarn websocket-client --port 5007 && yarn websocket-client --port 5008 && yarn websocket-client --port 5009",
+    "run-ws-clients": "yarn ws-client --port 5006 && yarn ws-client --port 5007 && yarn ws-client --port 5008 && yarn ws-client --port 5009",
+    "run-all-websocket-clients": "yarn run-websocket-clients && yarn run-ws-clients",
+    "run-all": "yarn run-all-http-clients && yarn run-socketio-client && yarn run-all-websocket-clients"
   },
   "repository": {
     "type": "git",

run_servers.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# Run all the servers
+
+# HTTP servers
+./src/servers/http/fastapi_server.py --port 5000 &
+./src/servers/http/flask_server.py --port 5001 &
+./src/servers/http/pyramid_server.py --port 5002 &
+./src/servers/http/tornado_server.py --port 5003 &
+
+# SocketIO servers
+./src/servers/socketio/flask-socketio_server.py --port 5004 &
+./src/servers/socketio/socketio_server.py --port 5005 &
+
+# WebSocket servers
+./src/servers/ws/eventlet_server.py --port 5006 &
+./src/servers/ws/fastapi-websocket_server.py --port 5007 &
+./src/servers/ws/tornado-websocket_server.py --port 5008 &
+./src/servers/ws/websockets_server.py --port 5009 &

src/clients/PerformanceTimer.js

@@ -1,26 +1,32 @@
 import chalk from 'chalk'
 import { PerformanceObserver, performance } from 'perf_hooks'
+import EventEmitter from 'events'
 import { log, round } from './utils'
 
 function ms2sec(ms, fraction) {
     return `${round(ms/1000, fraction)}s`
 }
 
-function performanceObserverCallback(items) {
-    log('Timer stopped. Measuring...')
-    log(`Duration: ${chalk.magenta(ms2sec(items.getEntries()[0].duration))}`)
-    performance.clearMarks()
-}
-
-export default class PerformanceTimer {
+export default class PerformanceTimer extends EventEmitter {
     startMark = 'START'
     endMark = 'END'
 
     constructor() {
-        this.obs = new PerformanceObserver(performanceObserverCallback)
+        super()
+        this.obs = new PerformanceObserver(this.observerCallback)
         this.obs.observe({ entryTypes: ['measure'] })
     }
 
+    observerCallback = items => {
+        const { duration } = items.getEntries()[0]
+        this.emit('duration', duration)
+
+        log('Timer stopped. Measuring...')
+        log(`Duration: ${chalk.magenta(ms2sec(duration))}`)
+        
+        performance.clearMarks()
+    }
+
     start() {
         console.log('Timer started...')
         performance.mark(this.startMark)

src/clients/config.js

@@ -3,7 +3,8 @@ const { argv } = require('yargs')
 export const { 
     port = 5000, 
     host = '0.0.0.0',
-    iters = 10000
+    iters = 10000,
+    repeat = 3
 } = argv
 
 export const httpApi = `http://${host}:${port}/greeting`

src/clients/utils.js

@@ -58,4 +58,9 @@ export function logIterations(iters) {
 
 export function logError(err) {
   log(chalk.red(`${err}`))
+}
+
+export function range(start=0, end) {
+  const [s, e] = typeof end === 'undefined' ? [0, start] : [start, end]
+  return [...Array(e-s).keys()].map(i => s + i)
 }