first commit

.gitignore

@@ -0,0 +1,124 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*

main.js

@@ -0,0 +1,33 @@
+const {workerFactory, onMessage, onError, onExit} = require('./util');
+const THREAD_COUNT = 4; // Number of threads you want to run
+
+
+const data = {
+  url: 'https://care.drmax.eu/it/pharmacy/698Edb',
+  body: '__VIEWSTATE=%2FwEPDwULLTE5MzAwNTM5OTlkZJTEOkK8qrP%2BTqGLIsu2BOyqAooELsVS8rKLByxL86Wb&__VIEWSTATEGENERATOR=221C5153&cpt=Care&lang=it&type=698Edb&votes=Odeslat',
+  headers: {
+    'Content-Type': 'application/x-www-form-urlencoded',
+    'Origin': 'https://care.drmax.eu/it/pharmacies'
+  },
+  run: true
+};
+
+
+const workers = [...Array(THREAD_COUNT).keys()].map((id) => workerFactory(
+  { id, ...data },
+  onMessage,
+  onError,
+  onExit
+));
+console.log(`main\t✅ Initialized ${workers.length} workers.`);
+
+// Handle Ctrl+C
+process.on('SIGINT', async () => {
+  console.log('\nmain\t🛑 Terminating workers...');
+
+  // Gracefully terminate all workers
+  await Promise.all(workers.map(worker => worker.terminate()));
+
+  console.log('main\t✅ All workers terminated. Exiting.');
+  process.exit(0);
+});

package-lock.json

@@ -0,0 +1,271 @@
+{
+  "name": "multithreaded-http-app",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "multithreaded-http-app",
+      "version": "1.0.0",
+      "license": "MIT",
+      "dependencies": {
+        "axios": "^1.6.0"
+      }
+    },
+    "node_modules/asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
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+    },
+    "node_modules/axios": {
+      "version": "1.8.4",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-1.8.4.tgz",
+      "integrity": "sha512-eBSYY4Y68NNlHbHBMdeDmKNtDgXWhQsJcGqzO3iLUM0GraQFSS9cVgPX5I9b3lbdFKyYoAEGAZF1DwhTaljNAw==",
+      "dependencies": {
+        "follow-redirects": "^1.15.6",
+        "form-data": "^4.0.0",
+        "proxy-from-env": "^1.1.0"
+      }
+    },
+    "node_modules/call-bind-apply-helpers": {
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+      },
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+      "dependencies": {
+        "delayed-stream": "~1.0.0"
+      },
+      "engines": {
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+      }
+    },
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+      "funding": [
+        {
+          "type": "individual",
+          "url": "https://github.com/sponsors/RubenVerborgh"
+        }
+      ],
+      "engines": {
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+      },
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+        }
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+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
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+    "node_modules/mime-types": {
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+      "dependencies": {
+        "mime-db": "1.52.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/proxy-from-env": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/proxy-from-env/-/proxy-from-env-1.1.0.tgz",
+      "integrity": "sha512-D+zkORCbA9f1tdWRK0RaCR3GPv50cMxcrz4X8k5LTSUD1Dkw47mKJEZQNunItRTkWwgtaUSo1RVFRIG9ZXiFYg=="
+    }
+  }
+}

package.json

@@ -0,0 +1,14 @@
+{
+  "name": "multithreaded-http-app",
+  "version": "1.0.0",
+  "description": "A multithreaded Node.js app that performs repeated HTTP POST requests using worker threads.",
+  "main": "main.js",
+  "scripts": {
+    "start": "node main.js"
+  },
+  "dependencies": {
+    "axios": "^1.6.0"
+  },
+  "author": "",
+  "license": "MIT"
+}

util.js

@@ -0,0 +1,37 @@
+const { Worker } = require('worker_threads');
+let totalSuccess = 0;
+let totalError = 0;
+const startTime = Date.now();
+module.exports = {
+    workerFactory: (
+        workerData,
+        onMessage = ({ id, payload }) => console.log("onMessage", id, payload),
+        onError = ({ id, error }) => console.error("onError", id, error),
+        onExit = ({ id, status }) => console.log("onExit", id, status)) => {
+        return new Worker('./worker.js', { workerData })
+            .on('message', (payload) => onMessage({ id: workerData.id, payload }))
+            .on('error', (error) => onError({ id: workerData.id, error }))
+            .on('exit', (status) => onExit({ id: workerData.id, status }));
+    },
+    onMessage: ({ id, payload }) => {
+        switch (payload.status) {
+            case 'starting':
+                console.log(`${payload.id}\t⌛ Starting with url: ${payload.url}`);
+                return;
+            case 'success':
+                totalSuccess++;
+                break;
+            case 'recoverable-error':
+                totalError++;
+                //console.warn(`\r${id}\t🤷 ${payload.error}.`);
+                break;
+        }
+        const totalRequests = totalError + totalSuccess;
+        const timeDelta = Date.now() - startTime;
+        const rps = totalRequests / (timeDelta / 1000);
+        const successRate = (totalSuccess/totalRequests)*100
+        process.stdout.write(`\r${id}\t📄 Requests: ${totalSuccess}/${totalRequests}. 📊 Success rate: ${successRate.toFixed(2)}%. ⚡ Req/s: ${rps.toFixed(2)}. ⏲️ Req/h: ${(rps * 3600).toFixed(2)}`);
+    },
+    onError: ({ id, error }) => console.error(`\r${id}\t❌ ${error}. Total Successful Requests: ${totalSuccess}`),
+    onExit: ({ id, status }) => status === 0 ? console.log(`${id}\t✅ Gracefully terminated.`) : console.error(`${id}\t❌ Exit status: ${status}`)
+}

worker.js

@@ -0,0 +1,21 @@
+const { parentPort, workerData } = require('worker_threads');
+const axios = require('axios');
+let { url, body, headers, run, id } = workerData;
+
+const workerFunction = async () => {
+    parentPort.postMessage({ status: 'starting', id, url, body, headers });
+    while (run) {
+        try {
+            await axios.post(url, body, { headers });
+            parentPort.postMessage({ status: 'success' });
+        } catch (error) {
+            if(error.status === 500) {
+                parentPort.postMessage({ status: 'recoverable-error', error: `Unable to POST at ${url} status: ${error.status}, message: ${error.message}`});
+            } else {
+                throw new Error(`Unable to POST at ${url} status: ${error.status}, message: ${error.message}`);
+            }
+        }
+    }
+};
+
+workerFunction();