/
router.go
76 lines (61 loc) · 1.94 KB
/
router.go
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package pillx
import (
"log"
"sync"
)
//handler接口,ServeRouter类实现了此serve方法
type Handler interface {
Serve(*Response, IProtocol)
}
// 这里将HandlerFunc定义为一个函数类型,因此以后当调用a = HandlerFunc(f)之后, 调用a的serve实际上就是调用f的对应方法, 拥有相同参数和相同返回值的函数属于同一种类型。
type HandlerFunc func(*Response, IProtocol)
// Serve calls f(w, r).
func (f HandlerFunc) Serve(w *Response, r IProtocol) {
f(w, r)
}
type ServeRouter struct {
mu sync.RWMutex
opcode_list map[uint16]OpcodeHandler
}
//将router对应的opcode,方法存储
func (router *ServeRouter) Handle(name uint16, handler Handler) {
router.mu.Lock()
defer router.mu.Unlock()
router.opcode_list[name] = OpcodeHandler{handler: handler, name: name}
}
// HandleFunc registers the handler function for the given opcode.
func (rounter *ServeRouter) handleFunc(name uint16, handler func(*Response, IProtocol)) {
rounter.Handle(name, HandlerFunc(handler))
}
// 取出opcode对应的操作方法,然后回调
func (router *ServeRouter) Serve(w *Response, r IProtocol) {
router.mu.RLock()
defer router.mu.RUnlock()
var handler Handler
if router.opcode_list[r.GetCmd()].handler != nil {
handler = router.opcode_list[r.GetCmd()].handler
handler.Serve(w, r)
}
}
// 专门用于onmessege,close,connect等
func (router *ServeRouter) serveOnfunc(w *Response, r IProtocol, cmd uint16) {
router.mu.RLock()
defer router.mu.RUnlock()
//TODO 正式上线打开
defer func() {
if err := recover(); err != nil {
log.Println(err)
}
}()
var handler Handler
if router.opcode_list[cmd].handler != nil {
handler = router.opcode_list[cmd].handler
handler.Serve(w, r)
}
}
type OpcodeHandler struct {
name uint16
handler Handler
}
// NewServeRouter allocates and returns a new ServeRouter.
func NewServeRouter() *ServeRouter { return &ServeRouter{opcode_list: make(map[uint16]OpcodeHandler)} }