SC-Solace-Pubsub-Messaging-App

A full-stack messaging application using Solace PubSub+ with React frontend and Flask backend

Author: Sanchit Chavan

📌 Project Overview

A real-time messaging system using Solace PubSub+ with persistent queues, built with:

• 🐍 Backend: Flask-based APIs for message publishing & receiving.
• ⚙️ Messaging Protocol: Solace SMF with TLS encryption.
• 💻 Frontend: React app with live message display & tooltips showing timestamps.

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⚙️ Tech Stack

• Languages: Python, JavaScript
• Frameworks: Flask, React
• Messaging: Solace PubSub+ with TLS
• Deployment: Flask APIs & Netlify frontend

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🔥 Message Flow

1️⃣ Publisher:

• Sends messages to the Solace topic via a REST API.
• Secure TLS connection ensures encrypted traffic.

2️⃣ Solace Broker:

• Routes messages to a persistent queue.
• Ensures guaranteed delivery.

3️⃣ Receiver:

• Subscribes to the queue & retrieves messages asynchronously.
• Updates timestamps & stores messages in memory.

4️⃣ Frontend:

• React app displays messages in real-time.
• Tooltips reveal Sent at & Received at timestamps on hover.

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🚀 How to Run Locally

🔥 Backend (Flask)

1. Install dependencies:

pip install -r requirements.txt

2. Run Flask servers:

python Publisher_Queue.py   # Port 5001  
python Receiver_Queue.py    # Port 5002  

⚙️ Frontend (React)

1. Install dependencies:

cd queue-react  
npm install

2. Start the app:

npm start

Ready To Go 🎉