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server.go
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server.go
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package test
import (
"net/http"
"sync"
"github.com/trafficstars/echo-engine/engine"
"github.com/labstack/gommon/log"
)
type (
Server struct {
*http.Server
config *engine.Config
handler engine.Handler
pool *Pool
logger *log.Logger
}
Pool struct {
request sync.Pool
response sync.Pool
header sync.Pool
url sync.Pool
}
)
func New(addr string) *Server {
c := &engine.Config{Address: addr}
return NewConfig(c)
}
func NewTLS(addr, certFile, keyFile string) *Server {
c := &engine.Config{
Address: addr,
TLSCertFile: certFile,
TLSKeyFile: keyFile,
}
return NewConfig(c)
}
func NewConfig(c *engine.Config) (s *Server) {
s = &Server{
Server: new(http.Server),
config: c,
pool: &Pool{
request: sync.Pool{
New: func() interface{} {
return &Request{}
},
},
response: sync.Pool{
New: func() interface{} {
return &Response{logger: s.logger}
},
},
header: sync.Pool{
New: func() interface{} {
return &Header{}
},
},
url: sync.Pool{
New: func() interface{} {
return &URL{}
},
},
},
handler: engine.HandlerFunc(func(req engine.Request, res engine.Response) {
panic("echo: handler not set, use `Server#SetHandler()` to set it.")
}),
logger: log.New("echo"),
}
return
}
func (s *Server) SetHandler(h engine.Handler) {
s.handler = h
}
func (s *Server) SetLogger(l *log.Logger) {
s.logger = l
}
func (s *Server) Start() error {
if s.config.Listener == nil {
return s.startDefaultListener()
}
return s.startCustomListener()
}
func (s *Server) Stop() error {
return nil
}
func (s *Server) startDefaultListener() error {
c := s.config
if c.TLSCertFile != "" && c.TLSKeyFile != "" {
return s.ListenAndServeTLS(c.TLSCertFile, c.TLSKeyFile)
}
return s.ListenAndServe()
}
func (s *Server) startCustomListener() error {
return s.Serve(s.config.Listener)
}
func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
// Request
req := s.pool.request.Get().(*Request)
reqHdr := s.pool.header.Get().(*Header)
reqURL := s.pool.url.Get().(*URL)
reqHdr.reset(r.Header)
reqURL.reset(r.URL)
req.reset(r, reqHdr, reqURL)
// Response
res := s.pool.response.Get().(*Response)
resHdr := s.pool.header.Get().(*Header)
resHdr.reset(w.Header())
res.reset(w, resHdr)
s.handler.ServeHTTP(req, res)
s.pool.request.Put(req)
s.pool.header.Put(reqHdr)
s.pool.url.Put(reqURL)
s.pool.response.Put(res)
s.pool.header.Put(resHdr)
}