Golang implementation of 51Degrees/Device-Detection based on trie without cgo.

Installation

go get github.com/IncSW/fifd

import "github.com/IncSW/fifd"

Quick Start

reader, err := fifd.NewReaderFromFile("path/to/51DegreesV3.4.trie")
if err != nil {
	panic(err)
}
device := reader.MatchDevice("UserAgent")
fmt.Println(device.GetValue("BrowserName"), device.GetValue("BrowserVersion"))

Performance

Go 1.14.2, Debian 9.1, i7-7700

fixed ua: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:60.0) Gecko/20100101 Firefox/60.0

fifd/fixed-8             1291940    927 ns/op     0 B/op    0 allocs/op
cgo/fixed-8               533149   2214 ns/op   224 B/op   19 allocs/op

fifd/fixed-parallel-8    6384787    189 ns/op     0 B/op    0 allocs/op
cgo/fixed-parallel-8     2139506    554 ns/op   224 B/op   19 allocs/op

fifd/range-8              422196   2720 ns/op     0 B/op    0 allocs/op
cgo/range-8               404926   2964 ns/op   235 B/op   18 allocs/op

fifd/range-parallel-8    2738305    430 ns/op     0 B/op    0 allocs/op
cgo/range-parallel-8     1810068    657 ns/op   235 B/op   18 allocs/op

License

MIT License.