mediocre-go-lib/mhttp/mhttp.go
2018-05-27 07:59:25 +00:00

37 lines
1.0 KiB
Go

// Package mhttp extends the standard package with extra functionality which is
// commonly useful
package mhttp
import (
"context"
"net/http"
"github.com/mediocregopher/mediocre-go-lib/mcfg"
"github.com/mediocregopher/mediocre-go-lib/mlog"
)
// CfgServer initializes and returns an *http.Server which will initialize on
// the Start hook. This also sets up config params for configuring the address
// being listened on.
func CfgServer(cfg *mcfg.Cfg, h http.Handler) *http.Server {
cfg = cfg.Child("http")
addr := cfg.ParamString("addr", ":0", "Address to listen on. Default is any open port")
srv := http.Server{Handler: h}
cfg.Start.Then(func(ctx context.Context) error {
srv.Addr = *addr
kv := mlog.KV{"addr": *addr}
mlog.Info("HTTP server listening", kv)
go func() {
err := srv.ListenAndServe()
// TODO the listening log should happen here, somehow, now that we
// know the actual address being listened on
mlog.Fatal("http server fataled", kv, mlog.ErrKV(err))
}()
return nil
})
// TODO shutdown logic
return &srv
}