Llama3.2 local LLM query

> curl -s http://localhost:11434/api/generate -d '{ "model": "llama3.2", "prompt": "How are you today?", "stream": false }' | jq -r '.response'

I'm just a language model, so I don't have emotions or feelings like humans do. However, I'm functioning properly and ready to assist you with any questions or tasks you may have! How can I help you today?

> python3 llm.py
I'm just a language model, so I don't have emotions or feelings like humans do. However, I'm functioning properly and ready to help with any questions or tasks you may have! How can I assist you today?

> cat llm.py
import requests
import json

# URL and the payload for the request
url = "http://localhost:11434/api/generate"
data = {
    "model": "llama3.2",
    "prompt": "How are you today?",
    "stream": False
}

# Send the POST request
response = requests.post(url, json=data)

# Parse the response JSON
response_json = response.json()

# Extract the 'response' field and print it
print(response_json.get('response'))

---

1. gossipsub

• Type: PubSub (Publish-Subscribe) Protocol
• Purpose: Efficient message propagation in P2P networks.
• Details:
  • An advanced gossip-based pub-sub (publish-subscribe) protocol.
  • Helps peers in a network subscribe to topics and receive messages without needing direct connections to all publishers.
  • Uses mesh networks to optimize message distribution.
  • Used in Ethereum, IPFS, and other decentralized applications.

---

2. mdns (Multicast DNS)

• Type: Peer Discovery Mechanism
• Purpose: Local peer discovery without centralized servers.
• Details:
  • Uses local network broadcasting to find other nodes.
  • Works well in LAN environments where nodes need to discover each other automatically.
  • Not suitable for large-scale or public P2P networks.

---

3. noise

• Type: Encryption Protocol
• Purpose: Secure communication between peers.
• Details:
  • Based on the Noise Protocol Framework.
  • Provides authentication and encryption for secure peer connections.
  • Used in Libp2p as a transport security layer.
  • Ensures confidentiality, integrity, and forward secrecy.

---

4. swarm::{NetworkBehaviour, SwarmEvent}

• Type: Core Libp2p Networking Framework
• Purpose: Handles peer connections and events.
• Details:
  • NetworkBehaviour:
    • Trait used to define how a node interacts with the network.
    • Can include pub-sub, peer discovery, and custom behaviors.
  • SwarmEvent:
    • Events generated by the Swarm (Libp2p’s networking layer).
    • Includes new connections, disconnections, and incoming messages.

---

5. tcp

• Type: Transport Protocol
• Purpose: Reliable communication between peers.
• Details:
  • Standard TCP transport for Libp2p.
  • Provides ordered, reliable, and connection-oriented communication.
  • Often used alongside yamux for multiplexing.

---

6. yamux

• Type: Multiplexing Protocol
• Purpose: Efficiently manage multiple streams over a single TCP connection.
• Details:
  • Allows multiple logical connections (streams) over one physical TCP connection.
  • Reduces overhead compared to opening multiple TCP connections.
  • Alternative to other multiplexing protocols like mplex.

---

Summary Table

Name	Type	Purpose
gossipsub	PubSub	Message propagation in P2P networks.
mdns	Discovery	Finds peers in local networks.
noise	Encryption	Secure communication between peers.
NetworkBehaviour, SwarmEvent	Core API	Defines P2P behavior and handles events.
tcp	Transport	Reliable peer communication.
yamux	Multiplexing	Multiple streams over one connection.

This code sets up a basic libp2p networking configuration in Rust. It generates a unique peer identity, configures a secure transport layer using TCP, Noise encryption, and Yamux multiplexing. The code defines a custom network behavior combining Gossipsub (for pub/sub messaging) and mDNS (for local peer discovery), preparing the groundwork for a decentralized peer-to-peer network application with secure, encrypted communication.

#![allow(unused)]
use std::{
    collections::hash_map::DefaultHasher,
    error::Error,
    hash::{Hash, Hasher},
    time::Duration,
};

use futures::stream::StreamExt;

use libp2p::{
    identity,
    Transport,
    PeerId,
    gossipsub, mdns, noise,
    swarm::{NetworkBehaviour, SwarmEvent},
    tcp, yamux,
    core::transport::Boxed,
};


use tokio::{io, io::AsyncBufReadExt, select};
use tracing_subscriber::EnvFilter;

// custom network behaviour struct that combines Gossipsub and Mdns.
#[derive(NetworkBehaviour)]
struct MyBehaviour {
    gossipsub: gossipsub::Behaviour,
    mdns: mdns::tokio::Behaviour,
}

#[tokio::main]
async fn main()->Result<(),Box<dyn std::error::Error>>{
    let id_keys = identity::Keypair::generate_ed25519();
    let peer_id = PeerId::from(id_keys.public());
    println!("Local peer id: {:?}", peer_id);

        // Configure the transport
    let transport = build_transport(id_keys.clone());


    Ok(())
}



// Function to build the transport layer
fn build_transport(id_keys: identity::Keypair) -> Boxed<(PeerId, libp2p::core::muxing::StreamMuxerBox)> {
    // TCP transport with noise encryption and yamux multiplexing
    let tcp_transport = tcp::tokio::Transport::new(tcp::Config::default());
    
    let noise_config = noise::Config::new(&id_keys).expect("Signing libp2p-noise static key");
    
    tcp_transport
        .upgrade(libp2p::core::upgrade::Version::V1)
        .authenticate(noise_config)
        .multiplex(yamux::Config::default())
        .boxed()
}

[package]
name = "libp2p2"
version = "0.1.0"
edition = "2021"

[dependencies]
tokio = { version = "1", features = ["full"] }
libp2p = { version = "0.53", features = ["tokio", "gossipsub", "mdns", "noise", "macros", "tcp", "yamux", "quic"] }
tracing-subscriber = { version = "0.3", features = ["env-filter"] }
futures = "0.3.31"

Typically, the next steps would involve:

1. Creating the Gossipsub and mDNS behaviors with proper configuration
2. Building a complete Swarm with the transport and behaviors
3. Setting up a message topic for communication
4. Adding a main event loop to handle network events
5. Implementing user input handling for sending messages