Use the internal event handling to process initial user/nick messages.

This commit is contained in:
Chris Rhodes 2013-02-14 23:26:19 -08:00
parent f4b53dfb24
commit 25efcccee1
3 changed files with 59 additions and 28 deletions

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"
)
@ -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
@ -50,7 +51,6 @@ type Conn struct {
// Misc knobs to tweak client behaviour:
// Are we connecting via SSL? Do we care about certificate validity?
SSL bool
SSLConfig *tls.Config
// Client->server ping frequency, in seconds. Defaults to 3m.
@ -60,7 +60,7 @@ type Conn struct {
Flood bool
// Internal counters for flood protection
badness time.Duration
badness time.Duration
lastsent time.Time
}
@ -96,7 +96,6 @@ func Client(nick, ident, name string,
cSend: make(chan bool),
cLoop: make(chan bool),
cPing: make(chan bool),
SSL: false,
SSLConfig: nil,
PingFreq: 3 * time.Minute,
Flood: false,
@ -145,8 +144,8 @@ func (conn *Conn) initialise() {
// Connect the IRC connection object to "host[:port]" which should be either
// a hostname or an IP address, with an optional port. To enable explicit SSL
// on the connection to the IRC server, set Conn.SSL to true before calling
// Connect(). The port will default to 6697 if ssl is enabled, and 6667
// on the connection to the IRC server, set Conn.SSLConfig.
// The port will default to 6697 if SSL is enabled, and 6667
// otherwise. You can also provide an optional connect password.
func (conn *Conn) Connect(host string, pass ...string) error {
if conn.Connected {
@ -154,37 +153,48 @@ func (conn *Conn) Connect(host string, pass ...string) error {
"irc.Connect(): already connected to %s, cannot connect to %s",
conn.Host, host))
}
if conn.SSL {
if conn.SSLConfig != nil {
if !hasPort(host) {
host += ":6697"
}
conn.l.Info("irc.Connect(): Connecting to %s with SSL.", host)
if s, err := tls.Dial("tcp", host, conn.SSLConfig); err == nil {
conn.sock = s
} else {
return err
}
} else {
if !hasPort(host) {
host += ":6667"
}
conn.l.Info("irc.Connect(): Connecting to %s without SSL.", host)
if s, err := net.Dial("tcp", host); err == nil {
}
conn.Host = host
if len(pass) > 0 {
conn.Password = pass[0]
} else {
conn.Password = ""
}
return conn.Reconnect()
}
func (conn *Conn) Reconnect() error {
if conn.Connected {
return errors.New(fmt.Sprintf(
"irc.Reconnect(): already connected to %s, cannot reconnect", conn.Host))
}
if conn.SSLConfig != nil {
conn.l.Info("irc.Connect(): Connecting to %s with SSL.", conn.Host)
if s, err := tls.Dial("tcp", conn.Host, conn.SSLConfig); err == nil {
conn.sock = s
} else {
return err
}
} else {
conn.l.Info("irc.Connect(): Connecting to %s without SSL.", conn.Host)
if s, err := net.Dial("tcp", conn.Host); err == nil {
conn.sock = s
} else {
return err
}
}
conn.Host = host
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 +212,7 @@ 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 +330,7 @@ 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

@ -8,6 +8,13 @@ import (
"strings"
)
// Consts for unnamed events.
const (
INIT = "init"
CONNECTED = "connected"
DISCONNECTED = "disconnected"
)
// An IRC handler looks like this:
type IRCHandler func(*Conn, *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 {