go-ircevent/irc_callback.go

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package irc
import (
"strconv"
"strings"
"time"
)
func (irc *Connection) AddCallback(eventcode string, callback func(*Event)) {
eventcode = strings.ToUpper(eventcode)
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if _, ok := irc.events[eventcode]; ok {
irc.events[eventcode] = append(irc.events[eventcode], callback)
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} else {
irc.events[eventcode] = make([]func(*Event), 1)
irc.events[eventcode][0] = callback
}
}
func (irc *Connection) ReplaceCallback(eventcode string, i int, callback func(*Event)) {
eventcode = strings.ToUpper(eventcode)
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if event, ok := irc.events[eventcode]; ok {
if i < len(event) {
event[i] = callback
return
}
irc.Log.Printf("Event found, but no callback found at index %d. Use AddCallback\n", i)
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return
}
irc.Log.Printf("Event not found. Use AddCallBack\n")
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}
func (irc *Connection) RunCallbacks(event *Event) {
msg := event.Message()
if event.Code == "PRIVMSG" && len(msg) > 0 && msg[0] == '\x01' {
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event.Code = "CTCP" //Unknown CTCP
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if i := strings.LastIndex(msg, "\x01"); i > -1 {
msg = msg[1:i]
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}
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if msg == "VERSION" {
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event.Code = "CTCP_VERSION"
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} else if msg == "TIME" {
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event.Code = "CTCP_TIME"
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} else if msg[0:4] == "PING" {
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event.Code = "CTCP_PING"
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} else if msg == "USERINFO" {
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event.Code = "CTCP_USERINFO"
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} else if msg == "CLIENTINFO" {
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event.Code = "CTCP_CLIENTINFO"
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} else if msg[0:6] == "ACTION" {
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event.Code = "CTCP_ACTION"
msg = msg[7:]
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}
event.Arguments[len(event.Arguments)-1] = msg
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}
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if callbacks, ok := irc.events[event.Code]; ok {
if irc.VerboseCallbackHandler {
irc.Log.Printf("%v (%v) >> %#v\n", event.Code, len(callbacks), event)
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}
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for _, callback := range callbacks {
go callback(event)
}
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} else if irc.VerboseCallbackHandler {
irc.Log.Printf("%v (0) >> %#v\n", event.Code, event)
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}
}
func (irc *Connection) setupCallbacks() {
irc.events = make(map[string][]func(*Event))
//Handle ping events
irc.AddCallback("PING", func(e *Event) { irc.SendRaw("PONG :" + e.Message()) })
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//Version handler
irc.AddCallback("CTCP_VERSION", func(e *Event) {
irc.SendRawf("NOTICE %s :\x01VERSION %s\x01", e.Nick, irc.Version)
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})
irc.AddCallback("CTCP_USERINFO", func(e *Event) {
irc.SendRawf("NOTICE %s :\x01USERINFO %s\x01", e.Nick, irc.user)
})
irc.AddCallback("CTCP_CLIENTINFO", func(e *Event) {
irc.SendRawf("NOTICE %s :\x01CLIENTINFO PING VERSION TIME USERINFO CLIENTINFO\x01", e.Nick)
})
irc.AddCallback("CTCP_TIME", func(e *Event) {
ltime := time.Now()
irc.SendRawf("NOTICE %s :\x01TIME %s\x01", e.Nick, ltime.String())
})
irc.AddCallback("CTCP_PING", func(e *Event) { irc.SendRawf("NOTICE %s :\x01%s\x01", e.Nick, e.Message) })
irc.AddCallback("437", func(e *Event) {
irc.nickcurrent = irc.nickcurrent + "_"
irc.SendRawf("NICK %s", irc.nickcurrent)
})
irc.AddCallback("433", func(e *Event) {
if len(irc.nickcurrent) > 8 {
irc.nickcurrent = "_" + irc.nickcurrent
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} else {
irc.nickcurrent = irc.nickcurrent + "_"
}
irc.SendRawf("NICK %s", irc.nickcurrent)
})
irc.AddCallback("PONG", func(e *Event) {
ns, _ := strconv.ParseInt(e.Message(), 10, 64)
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delta := time.Duration(time.Now().UnixNano() - ns)
if irc.Debug {
irc.Log.Printf("Lag: %vs\n", delta)
}
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})
irc.AddCallback("NICK", func(e *Event) {
if e.Nick == irc.nick {
irc.nickcurrent = e.Message()
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}
})
irc.AddCallback("001", func(e *Event) {
irc.nickcurrent = e.Arguments[0]
})
}