Use the internal event handling for initial pass/user/nick messages. Type cleanup, added constants.

This commit is contained in:
Chris Rhodes 2013-02-15 11:11:25 -08:00
parent f4b53dfb24
commit 6780338169
4 changed files with 42 additions and 21 deletions

View File

@ -24,11 +24,11 @@ Synopsis:
// Add handlers to do things here!
// e.g. join a channel on connect.
c.AddHandler("connected",
c.AddHandler(irc.CONNECTED,
func(conn *irc.Conn, line *irc.Line) { conn.Join("#channel") })
// And a signal on disconnect
quit := make(chan bool)
c.AddHandler("disconnected",
c.AddHandler(irc.DISCONNECTED,
func(conn *irc.Conn, line *irc.Line) { quit <- true })
// Tell client to connect

View File

@ -1,11 +1,11 @@
package main
import (
irc "github.com/fluffle/goirc/client"
"bufio"
"flag"
"fmt"
irc "github.com/fluffle/goirc/client"
"os"
"bufio"
"strings"
)
@ -18,12 +18,12 @@ func main() {
// create new IRC connection
c := irc.SimpleClient("GoTest", "gotest")
c.EnableStateTracking()
c.AddHandler("connected",
c.AddHandler(irc.CONNECTED,
func(conn *irc.Conn, line *irc.Line) { conn.Join(*channel) })
// Set up a handler to notify of disconnect events.
quit := make(chan bool)
c.AddHandler("disconnected",
c.AddHandler(irc.DISCONNECTED,
func(conn *irc.Conn, line *irc.Line) { quit <- true })
// set up a goroutine to read commands from stdin
@ -36,6 +36,8 @@ func main() {
if err != nil {
// wha?, maybe ctrl-D...
close(in)
reallyquit = true
c.Quit("")
break
}
// no point in sending empty lines down the channel

View File

@ -16,9 +16,10 @@ import (
// An IRC connection is represented by this struct.
type Conn struct {
// Connection Hostname and Nickname
Host string
Me *state.Nick
Network string
Host string
Me *state.Nick
Network string
password string
// Replaceable function to customise the 433 handler's new nick
NewNick func(string) string
@ -60,7 +61,7 @@ type Conn struct {
Flood bool
// Internal counters for flood protection
badness time.Duration
badness time.Duration
lastsent time.Time
}
@ -177,14 +178,13 @@ func (conn *Conn) Connect(host string, pass ...string) error {
}
}
conn.Host = host
if len(pass) > 0 {
conn.password = pass[0]
} else {
conn.password = ""
}
conn.Connected = true
conn.postConnect()
if len(pass) > 0 {
conn.Pass(pass[0])
}
conn.Nick(conn.Me.Nick)
conn.User(conn.Me.Ident, conn.Me.Name)
return nil
}
@ -202,6 +202,7 @@ func (conn *Conn) postConnect() {
go func() { <-conn.cPing }()
}
go conn.runLoop()
conn.ED.Dispatch(INIT, conn, &Line{})
}
// copied from http.client for great justice
@ -319,7 +320,7 @@ func (conn *Conn) shutdown() {
// as calling sock.Close() will cause recv() to recieve EOF in readstring()
if conn.Connected {
conn.l.Info("irc.shutdown(): Disconnected from server.")
conn.ED.Dispatch("disconnected", conn, &Line{})
conn.ED.Dispatch(DISCONNECTED, conn, &Line{})
conn.Connected = false
conn.sock.Close()
conn.cSend <- true

View File

@ -8,8 +8,15 @@ import (
"strings"
)
// Consts for unnamed events.
const (
INIT = "init"
CONNECTED = "connected"
DISCONNECTED = "disconnected"
)
// An IRC handler looks like this:
type IRCHandler func(*Conn, *Line)
type Handler func(*Conn, *Line)
// AddHandler() adds an event handler for a specific IRC command.
//
@ -19,14 +26,14 @@ type IRCHandler func(*Conn, *Line)
// "PRIVMSG", "JOIN", etc. but all the numeric replies are left as ascii
// strings of digits like "332" (mainly because I really didn't feel like
// putting massive constant tables in).
func (conn *Conn) AddHandler(name string, f IRCHandler) event.Handler {
func (conn *Conn) AddHandler(name string, f Handler) event.Handler {
h := NewHandler(f)
conn.ER.AddHandler(h, name)
return h
}
// Wrap f in an anonymous unboxing function
func NewHandler(f IRCHandler) event.Handler {
func NewHandler(f Handler) event.Handler {
return event.NewHandler(func(ev ...interface{}) {
f(ev[0].(*Conn), ev[1].(*Line))
})
@ -34,8 +41,10 @@ func NewHandler(f IRCHandler) event.Handler {
// sets up the internal event handlers to do essential IRC protocol things
var intHandlers map[string]event.Handler
func init() {
intHandlers = make(map[string]event.Handler)
intHandlers[INIT] = NewHandler((*Conn).h_init)
intHandlers["001"] = NewHandler((*Conn).h_001)
intHandlers["433"] = NewHandler((*Conn).h_433)
intHandlers["CTCP"] = NewHandler((*Conn).h_CTCP)
@ -49,6 +58,15 @@ func (conn *Conn) addIntHandlers() {
}
}
// Password/User/Nick broadcast on connection.
func (conn *Conn) h_init(line *Line) {
if conn.password != "" {
conn.Pass(conn.password)
}
conn.Nick(conn.Me.Nick)
conn.User(conn.Me.Ident, conn.Me.Name)
}
// Basic ping/pong handler
func (conn *Conn) h_PING(line *Line) {
conn.Raw("PONG :" + line.Args[0])
@ -57,7 +75,7 @@ func (conn *Conn) h_PING(line *Line) {
// Handler to trigger a "CONNECTED" event on receipt of numeric 001
func (conn *Conn) h_001(line *Line) {
// we're connected!
conn.ED.Dispatch("connected", conn, line)
conn.ED.Dispatch(CONNECTED, conn, line)
// and we're being given our hostname (from the server's perspective)
t := line.Args[len(line.Args)-1]
if idx := strings.LastIndex(t, " "); idx != -1 {