network_protocol/transport/
quic.rs

1//! QUIC Transport Layer
2//!
3//! This module provides QUIC (Quick UDP Internet Connections) transport
4//! for modern, low-latency network communication.
5//!
6//! QUIC combines the best of TCP and UDP with built-in security, multiplexing,
7//! and connection migration capabilities.
8
9use tracing::{info, instrument, warn};
10
11use crate::core::packet::Packet;
12use crate::error::{ProtocolError, Result};
13
14/// QUIC server configuration
15#[derive(Debug, Clone)]
16pub struct QuicServerConfig {
17    /// Server listen address
18    pub address: String,
19    /// Path to certificate file
20    pub cert_path: String,
21    /// Path to private key file
22    pub key_path: String,
23    /// Maximum concurrent connections
24    pub max_connections: usize,
25}
26
27impl Default for QuicServerConfig {
28    fn default() -> Self {
29        Self {
30            address: "0.0.0.0:4433".to_string(),
31            cert_path: "cert.pem".to_string(),
32            key_path: "key.pem".to_string(),
33            max_connections: 1000,
34        }
35    }
36}
37
38/// QUIC client configuration
39#[derive(Debug, Clone)]
40pub struct QuicClientConfig {
41    /// Server address to connect to
42    pub server_addr: String,
43    /// Server name for certificate verification
44    pub server_name: String,
45    /// Path to client certificate (optional, for mTLS)
46    pub cert_path: Option<String>,
47    /// Path to client private key (optional, for mTLS)
48    pub key_path: Option<String>,
49}
50
51impl QuicClientConfig {
52    /// Create a new QUIC client configuration
53    pub fn new(server_addr: String, server_name: String) -> Self {
54        Self {
55            server_addr,
56            server_name,
57            cert_path: None,
58            key_path: None,
59        }
60    }
61
62    /// Enable mutual TLS with client certificate
63    pub fn with_client_cert(mut self, cert_path: String, key_path: String) -> Self {
64        self.cert_path = Some(cert_path);
65        self.key_path = Some(key_path);
66        self
67    }
68}
69
70/// Start a QUIC server
71///
72/// Note: This is a placeholder implementation. Full QUIC support would require
73/// adding the `quinn` crate and implementing the full QUIC protocol stack.
74#[instrument(skip(_config))]
75pub async fn start_server(_config: QuicServerConfig) -> Result<()> {
76    warn!("QUIC transport is not yet implemented - this is a placeholder");
77    info!("To implement QUIC support, add 'quinn' crate and implement QUIC protocol stack");
78
79    // Placeholder: Return not implemented error
80    Err(ProtocolError::Custom(
81        "QUIC transport not yet implemented".to_string(),
82    ))
83}
84
85/// Connect to a QUIC server
86///
87/// Note: This is a placeholder implementation.
88#[instrument(skip(_config))]
89pub async fn connect(_config: QuicClientConfig) -> Result<QuicFramed> {
90    warn!("QUIC transport is not yet implemented - this is a placeholder");
91
92    // Placeholder: Return not implemented error
93    Err(ProtocolError::Custom(
94        "QUIC transport not yet implemented".to_string(),
95    ))
96}
97
98/// Placeholder QUIC framed stream type
99///
100/// In a full implementation, this would wrap Quinn's connection types
101/// and implement the same interface as other transport framed types.
102#[derive(Debug)]
103pub struct QuicFramed {
104    // Placeholder fields - would contain QUIC connection handles
105}
106
107impl QuicFramed {
108    /// Placeholder send method
109    pub async fn send(&mut self, _packet: Packet) -> Result<()> {
110        Err(ProtocolError::Custom(
111            "QUIC transport not implemented".to_string(),
112        ))
113    }
114
115    /// Placeholder receive method
116    pub async fn next(&mut self) -> Result<Option<Packet>> {
117        Err(ProtocolError::Custom(
118            "QUIC transport not implemented".to_string(),
119        ))
120    }
121}
network_protocol/transport/quic.rs

network_protocol/transport/
quic.rs
