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send empty players array if no player is online any more.

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This commit is contained in:
Sascha L. Teichmann 2022-03-03 20:22:37 +01:00
parent f533ed71e7
commit c87ce03dbe
2 changed files with 16 additions and 7 deletions
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20
cmd/mtwebmapper/forwardupdates.go
View File

@ -24,10 +24,14 @@ type connection struct {
send chan []byte
}
type msg struct {
Tiles []xz `json:"tiles,omitempty"`
Pls []*player `json:"players,omitempty"`
}
type (
tilesMsg struct {
Tiles []xz `json:"tiles,omitempty"`
}
plsMsg struct {
Pls []*player `json:"players,omitempty"`
}
)
func newWebsocketForwarder() *websocketForwarder {
upgrader := &websocket.Upgrader{
@ -63,7 +67,7 @@ func (wsf *websocketForwarder) unregister(c *connection) {
}
}
func (wsf *websocketForwarder) send(m *msg) {
func (wsf *websocketForwarder) send(m interface{}) {
wsf.funcs <- func(wsf *websocketForwarder) {
if len(wsf.connections) == 0 {
return
@ -79,6 +83,8 @@ func (wsf *websocketForwarder) send(m *msg) {
data := buf.Bytes()
log.Printf("sending: %s\n", string(data))
for c := range wsf.connections {
select {
case c.send <- data:
@ -91,11 +97,11 @@ func (wsf *websocketForwarder) send(m *msg) {
}
func (wsf *websocketForwarder) BaseTilesUpdated(changes []xz) {
wsf.send(&msg{Tiles: changes})
wsf.send(&tilesMsg{Tiles: changes})
}
func (wsf *websocketForwarder) BroadcastPlayers(pls []*player) {
wsf.send(&msg{Pls: pls})
wsf.send(&plsMsg{Pls: pls})
}
func (wsf *websocketForwarder) ServeHTTP(rw http.ResponseWriter, r *http.Request) {

3
cmd/mtwebmapper/players.go
View File

@ -160,6 +160,9 @@ func (ps *players) run() {
}
ps.mu.Unlock()
if change && ps.wsf != nil {
if pls == nil {
pls = []*player{}
}
// TODO: Throttle this!
ps.wsf.BroadcastPlayers(pls)
}