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server.go
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server.go
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package fasthttp
import (
"github.com/rock-go/rock/logger"
"github.com/rock-go/rock/lua"
"github.com/rock-go/rock/thread"
"github.com/valyala/fasthttp"
"github.com/valyala/fasthttp/reuseport"
"net"
"os"
"time"
)
type server struct {
lua.Super
//基础配置
cfg *config
//监听
ln net.Listener
//中间对象
fs *fasthttp.Server
//
accessFn func(*RequestCtx) []byte
vhost *pool
}
func newServer(cfg *config) *server {
srv := &server{cfg: cfg ,vhost: newPool()}
srv.V(lua.INIT , fasthttpTypeOf)
return srv
}
func (ser *server) Name() string {
return ser.cfg.name
}
func (ser *server) Close() error {
if ser.IsClose() {
return nil
}
logger.Errorf("%s fasthttp vhost clear" , ser.Name())
routerPool.clear(ser.cfg.router)
handlePool.clear(ser.cfg.handler)
if e := ser.fs.Shutdown(); e != nil {
logger.Errorf("%s fasthttp close error %v", ser.Name(), e)
ser.V(lua.PANIC)
return e
}
ser.V(lua.CLOSE)
return nil
}
func (ser *server) Listen() (net.Listener, error) {
if ser.cfg.reuseport == "on" {
return reuseport.Listen(ser.cfg.network, ser.cfg.listen)
}
return net.Listen(ser.cfg.network, ser.cfg.listen)
}
func (ser *server) keepalive() bool {
if ser.cfg.keepalive == "on" {
return true
}
return false
}
func (ser *server) notFoundBody(ctx *RequestCtx) {
ctx.Response.SetStatusCode(fasthttp.StatusNotFound)
ctx.Response.SetBodyString("not found")
}
func (ser *server) notFound(ctx *RequestCtx) {
if ser.cfg.notFound == "" {
ser.notFoundBody(ctx)
return
}
var r *vRouter
var err error
item := ser.vhost.Get(ser.cfg.notFound)
if item != nil {
r = item.val.(*vRouter)
goto done
}
r, err = requireRouter(ser.cfg.router, ser.cfg.handler, ser.cfg.notFound)
if err != nil {
if os.IsNotExist(err) {
ser.notFoundBody(ctx)
return
}
ser.invalid(ctx, err)
return
}
done:
r.r.Handler(ctx)
}
func (ser *server) invalid(ctx *RequestCtx, err error) {
ctx.Response.SetStatusCode(fasthttp.StatusInternalServerError)
ctx.Response.SetBodyString(err.Error())
}
func (ser *server) Region(r *vRouter, ctx *RequestCtx) {
region := ser.cfg.accessRegion
sdk := ser.cfg.accessRegionSdk
if r == nil {
goto done
}
if r.accessRegion != "" {
region = r.accessRegion
}
if r.accessRegionSdk != nil {
sdk = r.accessRegionSdk
}
done:
if region == "" || sdk == nil {
return
}
ip := fsGet(ctx, region).String()
if len(ip) < 7 {
return
}
info, err := sdk.Search(ip)
if err != nil {
logger.Errorf("%v", err)
return
}
ctx.SetUserValue("region", info)
return
}
func (ser *server) Log(r *vRouter, ctx *RequestCtx) {
fn := ser.accessFn
sdk := ser.cfg.accessOutputSdk
if r == nil {
goto done
}
//关闭
if r.AccessLogOff() {
return
}
if r.accessFn != nil {
fn = r.accessFn
}
//获取每个域名的请求
if r.accessOutputSdk != nil {
sdk = r.accessOutputSdk
}
done:
//判断全局是否正常
if sdk == nil || fn == nil {
return
}
sdk.Write(fn(ctx))
}
//编译
func (ser *server) compile() {
ser.accessFn = compileAccessFormat(ser.cfg.accessFormat, ser.cfg.accessEncode)
}
func (ser *server) require(ctx *RequestCtx) (*vRouter , error) {
host := lua.B2S(ctx.Request.Header.Host())
item := ser.vhost.Get(host)
if item != nil {
return item.val.(*vRouter) , nil
}
return requireRouter(ser.cfg.router , ser.cfg.handler , host)
}
func (ser *server) Handler(ctx *RequestCtx) {
r , err := ser.require(ctx)
//是否获取IP地址位置信息
ser.Region(r, ctx)
if err != nil {
if os.IsNotExist(err) {
ser.notFound(ctx)
goto done
}
ser.invalid(ctx, err)
goto done
}
r.do(ctx)
done:
ser.Log(r, ctx)
//释放co
freeLuaThread(ctx)
}
func (ser *server) Start() error {
logger.Errorf("%s fasthttp start ...", ser.Name())
ln, err := ser.Listen()
if err != nil {
return err
}
ser.fs = &fasthttp.Server{
Handler: ser.Handler,
TCPKeepalive: ser.keepalive(),
ReadTimeout: time.Duration(ser.cfg.readTimeout) * time.Second,
IdleTimeout: time.Duration(ser.cfg.idleTimeout) * time.Second,
CloseOnShutdown: true,
}
ser.ln = ln
ser.compile()
thread.Spawn(2 , func() { err = ser.fs.Serve(ln) })
return nil
}