Node.js QUIC Implementation (`src/quic/`)

Architecture Overview

File Map

Foundation

Security

Core

Infrastructure

Key Design Patterns

SendPendingDataScope (RAII Send Coalescing)

NgTcp2CallbackScope / NgHttp3CallbackScope

Bob Protocol (Pull-Based Streaming)

Three-Phase Buffer Lifecycle

Application Abstraction

Thread-Local Allocator

Session Lifecycle

Creation

The Receive Path

The Send Loop

Close Methods

Timer

Stream Lifecycle

Creation

Outbound Data Flow

Inbound Data Flow

Streaming Mode (Writer API)

SessionManager

Address Validation

HTTP/3 Application (`http3.cc`)

Error Handling

Packet Allocation

Debug Logging

External Dependencies