A Go implementation of the HTTP/2 protocol.

It is useful for client/server application development using the HTTP/2 connection/stream directly.

currently under heavy development.

Features

• Server/Client Connection
• Negotiation (ALPN, Upgrade)
• Flow Control
• Multiplexing without head-of-line blocking
• Graceful Shutdown

Requirements

• Golang 1.5+

Installation

go get github.com/nekolunar/http2

Documentation

• API Reference
• Example

Benchmarks

• 2.2 GHz Intel Core i7
• 16 GB 1600 MHz DDR3
• Concurrency: C(1|8|64|512)
• Request/Response Data Length: 1024 Bytes

HTTP/2 over TLS (ALPN)

go test -bench BenchmarkConnReadWriteTLS -benchmem

BenchmarkConnReadWriteTLS_1K_C1-8      50000         33666 ns/op        4083 B/op         32 allocs/op
BenchmarkConnReadWriteTLS_1K_C8-8      50000         34544 ns/op        4080 B/op         32 allocs/op
BenchmarkConnReadWriteTLS_1K_C64-8     50000         34277 ns/op        4058 B/op         32 allocs/op
BenchmarkConnReadWriteTLS_1K_C512-8    50000         33966 ns/op        3880 B/op         30 allocs/op

HTTP/2 over TCP (Upgrade)

go test -bench BenchmarkConnReadWriteTCP -benchmem

BenchmarkConnReadWriteTCP_1K_C1-8      50000         30090 ns/op        4065 B/op         32 allocs/op
BenchmarkConnReadWriteTCP_1K_C8-8      50000         30610 ns/op        4062 B/op         32 allocs/op
BenchmarkConnReadWriteTCP_1K_C64-8     50000         30673 ns/op        4040 B/op         32 allocs/op
BenchmarkConnReadWriteTCP_1K_C512-8   100000         30715 ns/op        3965 B/op         31 allocs/op

License

MIT license. See LICENSE for details.