Remove 03.3.md spaces
This commit is contained in:
48
zh/03.3.md
48
zh/03.3.md
@@ -38,35 +38,35 @@ Handler:处理请求和生成返回信息的处理逻辑
|
||||
下面代码来自Go的http包的源码,通过下面的代码我们可以看到整个的http处理过程:
|
||||
```Go
|
||||
|
||||
func (srv *Server) Serve(l net.Listener) error {
|
||||
defer l.Close()
|
||||
var tempDelay time.Duration // how long to sleep on accept failure
|
||||
for {
|
||||
rw, e := l.Accept()
|
||||
if e != nil {
|
||||
if ne, ok := e.(net.Error); ok && ne.Temporary() {
|
||||
if tempDelay == 0 {
|
||||
tempDelay = 5 * time.Millisecond
|
||||
} else {
|
||||
tempDelay *= 2
|
||||
}
|
||||
if max := 1 * time.Second; tempDelay > max {
|
||||
tempDelay = max
|
||||
}
|
||||
log.Printf("http: Accept error: %v; retrying in %v", e, tempDelay)
|
||||
time.Sleep(tempDelay)
|
||||
continue
|
||||
func (srv *Server) Serve(l net.Listener) error {
|
||||
defer l.Close()
|
||||
var tempDelay time.Duration // how long to sleep on accept failure
|
||||
for {
|
||||
rw, e := l.Accept()
|
||||
if e != nil {
|
||||
if ne, ok := e.(net.Error); ok && ne.Temporary() {
|
||||
if tempDelay == 0 {
|
||||
tempDelay = 5 * time.Millisecond
|
||||
} else {
|
||||
tempDelay *= 2
|
||||
}
|
||||
return e
|
||||
}
|
||||
tempDelay = 0
|
||||
c, err := srv.newConn(rw)
|
||||
if err != nil {
|
||||
if max := 1 * time.Second; tempDelay > max {
|
||||
tempDelay = max
|
||||
}
|
||||
log.Printf("http: Accept error: %v; retrying in %v", e, tempDelay)
|
||||
time.Sleep(tempDelay)
|
||||
continue
|
||||
}
|
||||
go c.serve()
|
||||
return e
|
||||
}
|
||||
tempDelay = 0
|
||||
c, err := srv.newConn(rw)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
go c.serve()
|
||||
}
|
||||
}
|
||||
|
||||
```
|
||||
监控之后如何接收客户端的请求呢?上面代码执行监控端口之后,调用了`srv.Serve(net.Listener)`函数,这个函数就是处理接收客户端的请求信息。这个函数里面起了一个`for{}`,首先通过Listener接收请求,其次创建一个Conn,最后单独开了一个goroutine,把这个请求的数据当做参数扔给这个conn去服务:`go c.serve()`。这个就是高并发体现了,用户的每一次请求都是在一个新的goroutine去服务,相互不影响。
|
||||
|
||||
Reference in New Issue
Block a user