aclindsa/go-asink
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server: add long-polling support

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This commit is contained in:
Aaron Lindsay
2013-03-09 22:47:49 -05:00
parent 94823e104d
commit 1ddbcb3636
3 changed files with 89 additions and 2 deletions
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13
server/server.go
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@ -12,6 +12,7 @@ import (
"strconv"
)
//global variables
var eventsRegexp *regexp.Regexp
var port int = 8080
var db *sql.DB
@ -80,7 +81,15 @@ func getEvents(w http.ResponseWriter, r *http.Request, nextEvent uint64) {
return
}
//TODO long-poll here if events is empty
//long-poll if events is empty
if len(events) == 0 {
c := make(chan *asink.Event)
addPoller("aclindsa", &c) //TODO support more than one user
e, ok := <-c
if ok {
events = append(events, e)
}
}
}
func putEvents(w http.ResponseWriter, r *http.Request) {
@ -119,6 +128,8 @@ func putEvents(w http.ResponseWriter, r *http.Request) {
for _, event := range events.Events {
DatabaseAddEvent(db, event)
}
broadcastToPollers("aclindsa", events.Events[0]) //TODO support more than one user
}
func eventHandler(w http.ResponseWriter, r *http.Request) {