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15 Commits
Author | SHA1 | Date | |
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0c9b20d47f | |||
1e33734ab1 | |||
0c6e90e644 | |||
3d5a4a1482 | |||
a0b561237a | |||
ad1e06229f | |||
e99a8dbcd6 | |||
d3513ae4fa | |||
99264c6715 | |||
3c70ad2377 | |||
af451c08b8 | |||
75fd09620c | |||
8fa8153ba6 | |||
2da7c8a4c1 | |||
be7b2bf15e |
@ -1,23 +1,27 @@
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package sse
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import (
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"gitea.bvbej.com/bvbej/base-golang/pkg/mux"
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"github.com/gin-gonic/gin"
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"io"
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"net/http"
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"sync"
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"sync/atomic"
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"time"
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)
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var _ Server = (*event)(nil)
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type Server interface {
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HandlerFunc(auth func(c *gin.Context) (string, error)) gin.HandlerFunc
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Push(user, name, msg string) bool
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HandlerFunc() mux.HandlerFunc
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GinHandlerFunc(auth func(c *gin.Context) (string, error)) gin.HandlerFunc
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Push(user any, name, msg string) bool
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Broadcast(name, msg string)
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ClientCount() int32
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}
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type clientChan struct {
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User string
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User any
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Chan chan msgChan
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}
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@ -29,9 +33,8 @@ type msgChan struct {
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type event struct {
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SessionList sync.Map
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Count atomic.Int32
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Register chan clientChan
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Unregister chan string
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Unregister chan any
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}
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func NewServer() Server {
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@ -39,7 +42,7 @@ func NewServer() Server {
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SessionList: sync.Map{},
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Count: atomic.Int32{},
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Register: make(chan clientChan),
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Unregister: make(chan string),
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Unregister: make(chan any),
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}
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go e.listen()
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@ -65,7 +68,44 @@ func (stream *event) listen() {
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}
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}
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func (stream *event) HandlerFunc(auth func(c *gin.Context) (string, error)) gin.HandlerFunc {
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func (stream *event) HandlerFunc() mux.HandlerFunc {
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return func(c mux.Context) {
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auth := c.Auth()
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if auth == nil {
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c.Context().AbortWithStatus(http.StatusBadRequest)
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return
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}
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e := make(chan msgChan)
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client := clientChan{
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User: auth,
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Chan: e,
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}
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stream.Register <- client
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defer func() {
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stream.Unregister <- auth
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}()
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c.Context().Writer.Header().Set("Content-Type", "text/event-stream")
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c.Context().Writer.Header().Set("Cache-Control", "no-cache")
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c.Context().Writer.Header().Set("Connection", "keep-alive")
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c.Context().Writer.Header().Set("Transfer-Encoding", "chunked")
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time.AfterFunc(time.Second, func() {
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e <- msgChan{Name: "message", Message: "success"}
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})
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c.Context().Stream(func(w io.Writer) bool {
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if msg, ok := <-e; ok {
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c.Context().SSEvent(msg.Name, msg.Message)
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return true
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}
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return false
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})
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}
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}
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func (stream *event) GinHandlerFunc(auth func(c *gin.Context) (string, error)) gin.HandlerFunc {
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return func(c *gin.Context) {
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user, err := auth(c)
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if err != nil {
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@ -88,6 +128,10 @@ func (stream *event) HandlerFunc(auth func(c *gin.Context) (string, error)) gin.
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c.Writer.Header().Set("Connection", "keep-alive")
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c.Writer.Header().Set("Transfer-Encoding", "chunked")
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time.AfterFunc(time.Second, func() {
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e <- msgChan{Name: "message", Message: "success"}
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})
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c.Stream(func(w io.Writer) bool {
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if msg, ok := <-e; ok {
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c.SSEvent(msg.Name, msg.Message)
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@ -95,12 +139,10 @@ func (stream *event) HandlerFunc(auth func(c *gin.Context) (string, error)) gin.
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}
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return false
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})
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c.Next()
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}
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}
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func (stream *event) Push(user, name, msg string) bool {
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func (stream *event) Push(user any, name, msg string) bool {
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value, ok := stream.SessionList.Load(user)
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if ok {
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val := value.(chan msgChan)
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@ -116,3 +158,7 @@ func (stream *event) Broadcast(name, msg string) {
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return true
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})
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}
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func (stream *event) ClientCount() int32 {
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return stream.Count.Load()
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}
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