86 lines
1.5 KiB
Go
86 lines
1.5 KiB
Go
package wshandler
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import (
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"context"
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"encoding/json"
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"github.com/gorilla/websocket"
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"repositories.action2quare.com/ayo/gocommon/logger"
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)
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type room struct {
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inChan chan *wsconn
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outChan chan *wsconn
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messageChan chan *UpstreamMessage
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name string
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}
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func makeRoom(name string) *room {
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return &room{
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inChan: make(chan *wsconn, 10),
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outChan: make(chan *wsconn, 10),
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messageChan: make(chan *UpstreamMessage, 100),
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name: name,
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}
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}
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func (r *room) broadcast(msg *UpstreamMessage) {
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r.messageChan <- msg
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}
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func (r *room) in(conn *wsconn) {
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r.inChan <- conn
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}
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func (r *room) out(conn *wsconn) {
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r.outChan <- conn
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}
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func (r *room) start(ctx context.Context) {
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go func(ctx context.Context) {
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conns := make(map[string]*wsconn)
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normal := false
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for !normal {
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normal = r.loop(ctx, &conns)
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}
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}(ctx)
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}
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func (r *room) loop(ctx context.Context, conns *map[string]*wsconn) (normalEnd bool) {
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defer func() {
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s := recover()
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if s != nil {
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logger.Error(s)
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normalEnd = false
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}
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}()
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tag := "#" + r.name
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for {
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select {
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case <-ctx.Done():
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return true
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case conn := <-r.inChan:
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(*conns)[conn.sender.Accid.Hex()] = conn
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case conn := <-r.outChan:
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delete((*conns), conn.sender.Accid.Hex())
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case msg := <-r.messageChan:
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ds := DownstreamMessage{
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Alias: msg.Alias,
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Body: msg.Body,
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Tag: append(msg.Tag, tag),
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}
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bt, _ := json.Marshal(ds)
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for _, conn := range *conns {
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writer, _ := conn.NextWriter(websocket.TextMessage)
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writer.Write(bt)
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writer.Close()
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}
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}
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}
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}
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