BunRouter is brought to you by ⭐ uptrace/uptrace. Uptrace is an open-source APM tool that supports distributed tracing, metrics, and logs. You can use it to monitor applications and set up automatic alerts to receive notifications via email, Slack, Telegram, and others. Star it as well!
TLDR BunRouter is as fast as httprouter, but supports middlewares, routing rules priority, and error handling.
BunRouter is an extremely fast HTTP router for Go with unique combination of features:
- Middlewares allow to extract common operations from HTTP handlers into reusable functions.
- Error handling allows to further reduce the size of HTTP handlers by handling errors in middlewares.
- Routes priority enables meaningful matching priority for routing rules: first static nodes, then named nodes, lastly wildcard nodes.
- net/http compatible API which means using minimal API without constructing huge wrappers that try
to do everything: from serving static files to XML generation (for example,
gin.Contextorecho.Context).
| Router | Middlewares | Error handling | Routes priority | net/http API |
|---|---|---|---|---|
| BunRouter | ✔️ | ✔️ | ✔️ | ✔️ |
| httprouter | ❌ | ❌ | ❌ | ✔️ |
| Chi | ✔️ | ❌ | ✔️ | ✔️ |
| Echo | ✔️ | ✔️ | ❌ | ❌ |
| Gin | ✔️ | ✔️ | ❌ | ❌ |
Learn:
Examples:
Projects using BunRouter:
Benchmarks:
Benchmark results
BenchmarkGin_Param 16019718 74.16 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_Param 12560001 95.04 ns/op 32 B/op 1 allocs/op
BenchmarkBunrouter_Param 50015306 23.81 ns/op 0 B/op 0 allocs/op
BenchmarkGin_Param5 8997234 131.5 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_Param5 4809441 261.3 ns/op 160 B/op 1 allocs/op
BenchmarkBunrouter_Param5 10789635 114.0 ns/op 0 B/op 0 allocs/op
BenchmarkGin_Param20 3953041 302.4 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_Param20 1661373 743.3 ns/op 640 B/op 1 allocs/op
BenchmarkBunrouter_Param20 2462354 482.8 ns/op 0 B/op 0 allocs/op
BenchmarkGin_ParamWrite 9258986 128.0 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_ParamWrite 9908178 123.0 ns/op 32 B/op 1 allocs/op
BenchmarkBunrouter_ParamWrite 15511226 70.62 ns/op 0 B/op 0 allocs/op
BenchmarkGin_GithubStatic 12781513 94.17 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_GithubStatic 30077443 37.36 ns/op 0 B/op 0 allocs/op
BenchmarkBunrouter_GithubStatic 37160334 32.41 ns/op 0 B/op 0 allocs/op
BenchmarkGin_GithubParam 6971791 169.2 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_GithubParam 5464755 217.4 ns/op 96 B/op 1 allocs/op
BenchmarkBunrouter_GithubParam 12047902 101.2 ns/op 0 B/op 0 allocs/op
BenchmarkGin_GithubAll 32758 37382 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_GithubAll 27324 43932 ns/op 13792 B/op 167 allocs/op
BenchmarkBunrouter_GithubAll 57910 20914 ns/op 0 B/op 0 allocs/op
BenchmarkGin_GPlusStatic 17788194 69.13 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_GPlusStatic 60191341 19.84 ns/op 0 B/op 0 allocs/op
BenchmarkBunrouter_GPlusStatic 87114368 14.06 ns/op 0 B/op 0 allocs/op
BenchmarkGin_GPlusParam 10075399 119.5 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_GPlusParam 8272046 149.2 ns/op 64 B/op 1 allocs/op
BenchmarkBunrouter_GPlusParam 37359979 32.43 ns/op 0 B/op 0 allocs/op
BenchmarkGin_GPlus2Params 7375279 162.9 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_GPlus2Params 6538942 186.7 ns/op 64 B/op 1 allocs/op
BenchmarkBunrouter_GPlus2Params 19681939 61.51 ns/op 0 B/op 0 allocs/op
BenchmarkGin_GPlusAll 647716 1752 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_GPlusAll 590356 2085 ns/op 640 B/op 11 allocs/op
BenchmarkBunrouter_GPlusAll 1685287 712.8 ns/op 0 B/op 0 allocs/op
BenchmarkGin_ParseStatic 14566458 76.58 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_ParseStatic 52994076 21.02 ns/op 0 B/op 0 allocs/op
BenchmarkBunrouter_ParseStatic 50583933 23.83 ns/op 0 B/op 0 allocs/op
BenchmarkGin_ParseParam 13443874 90.66 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_ParseParam 8825664 135.6 ns/op 64 B/op 1 allocs/op
BenchmarkBunrouter_ParseParam 38058278 31.33 ns/op 0 B/op 0 allocs/op
BenchmarkGin_Parse2Params 10179813 118.1 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_Parse2Params 7801735 152.9 ns/op 64 B/op 1 allocs/op
BenchmarkBunrouter_Parse2Params 23704574 50.78 ns/op 0 B/op 0 allocs/op
BenchmarkGin_ParseAll 394884 3073 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_ParseAll 410238 3011 ns/op 640 B/op 16 allocs/op
BenchmarkBunrouter_ParseAll 810908 1487 ns/op 0 B/op 0 allocs/op
BenchmarkGin_StaticAll 50658 23699 ns/op 0 B/op 0 allocs/op
BenchmarkHttpRouter_StaticAll 105313 11518 ns/op 0 B/op 0 allocs/op
BenchmarkBunrouter_StaticAll 99674 12188 ns/op 0 B/op 0 allocs/op
Install:
go get github.com/uptrace/bunrouterRun the example:
package main
import (
"html/template"
"log"
"net/http"
"github.com/uptrace/bunrouter"
"github.com/uptrace/bunrouter/extra/reqlog"
)
func main() {
router := bunrouter.New(
bunrouter.Use(reqlog.NewMiddleware()),
)
router.GET("/", indexHandler)
router.WithGroup("/api", func(g *bunrouter.Group) {
g.GET("/users/:id", debugHandler)
g.GET("/users/current", debugHandler)
g.GET("/users/*path", debugHandler)
})
log.Println("listening on http://localhost:9999")
log.Println(http.ListenAndServe(":9999", router))
}
func indexHandler(w http.ResponseWriter, req bunrouter.Request) error {
return indexTemplate().Execute(w, nil)
}
func debugHandler(w http.ResponseWriter, req bunrouter.Request) error {
return bunrouter.JSON(w, bunrouter.H{
"route": req.Route(),
"params": req.Params().Map(),
})
}
var indexTmpl = `
<html>
<h1>Welcome</h1>
<ul>
<li><a href="/api/users/123">/api/users/123</a></li>
<li><a href="/api/users/current">/api/users/current</a></li>
<li><a href="/api/users/foo/bar">/api/users/foo/bar</a></li>
</ul>
</html>
`
func indexTemplate() *template.Template {
return template.Must(template.New("index").Parse(indexTmpl))
}See the Golang Router documentation for details.
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