Use the internal event handling for initial pass/user/nick messages.

Added constants for internal and named events.
gofmt'ed all files and updated client.go/documentation.
This commit is contained in:
Chris Rhodes 2013-02-15 19:24:10 -08:00
parent a674267128
commit 8e16f59b5f
13 changed files with 154 additions and 98 deletions

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

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@ -1,11 +1,11 @@
package main package main
import ( import (
irc "github.com/fluffle/goirc/client" "bufio"
"flag" "flag"
"fmt" "fmt"
irc "github.com/fluffle/goirc/client"
"os" "os"
"bufio"
"strings" "strings"
) )
@ -16,14 +16,14 @@ func main() {
flag.Parse() flag.Parse()
// create new IRC connection // create new IRC connection
c := irc.SimpleClient("GoTest", "gotest") c := irc.Client("GoTest", "gotest")
c.EnableStateTracking() c.EnableStateTracking()
c.AddHandler("connected", c.HandleFunc(irc.CONNECTED,
func(conn *irc.Conn, line *irc.Line) { conn.Join(*channel) }) func(conn *irc.Conn, line *irc.Line) { conn.Join(*channel) })
// Set up a handler to notify of disconnect events. // Set up a handler to notify of disconnect events.
quit := make(chan bool) quit := make(chan bool)
c.AddHandler("disconnected", c.HandleFunc(irc.DISCONNECTED,
func(conn *irc.Conn, line *irc.Line) { quit <- true }) func(conn *irc.Conn, line *irc.Line) { quit <- true })
// set up a goroutine to read commands from stdin // set up a goroutine to read commands from stdin
@ -36,6 +36,8 @@ func main() {
if err != nil { if err != nil {
// wha?, maybe ctrl-D... // wha?, maybe ctrl-D...
close(in) close(in)
reallyquit = true
c.Quit("")
break break
} }
// no point in sending empty lines down the channel // no point in sending empty lines down the channel

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@ -2,6 +2,34 @@ package client
import "strings" import "strings"
const (
INIT = "init"
CONNECTED = "connected"
DISCONNECTED = "disconnected"
ACTION = "ACTION"
AWAY = "AWAY"
CTCP = "CTCP"
CTCPREPLY = "CTCPREPLY"
INVITE = "INVITE"
JOIN = "JOIN"
KICK = "KICK"
MODE = "MODE"
NICK = "NICK"
NOTICE = "NOTICE"
OPER = "OPER"
PART = "PART"
PASS = "PASS"
PING = "PING"
PONG = "PONG"
PRIVMSG = "PRIVMSG"
QUIT = "QUIT"
TOPIC = "TOPIC"
USER = "USER"
VERSION = "VERSION"
WHO = "WHO"
WHOIS = "WHOIS"
)
// this file contains the various commands you can // this file contains the various commands you can
// send to the server using an Conn connection // send to the server using an Conn connection
@ -14,18 +42,18 @@ import "strings"
func (conn *Conn) Raw(rawline string) { conn.out <- rawline } func (conn *Conn) Raw(rawline string) { conn.out <- rawline }
// Pass() sends a PASS command to the server // Pass() sends a PASS command to the server
func (conn *Conn) Pass(password string) { conn.out <- "PASS " + password } func (conn *Conn) Pass(password string) { conn.out <- PASS + " " + password }
// Nick() sends a NICK command to the server // Nick() sends a NICK command to the server
func (conn *Conn) Nick(nick string) { conn.out <- "NICK " + nick } func (conn *Conn) Nick(nick string) { conn.out <- NICK + " " + nick }
// User() sends a USER command to the server // User() sends a USER command to the server
func (conn *Conn) User(ident, name string) { func (conn *Conn) User(ident, name string) {
conn.out <- "USER " + ident + " 12 * :" + name conn.out <- USER + " " + ident + " 12 * :" + name
} }
// Join() sends a JOIN command to the server // Join() sends a JOIN command to the server
func (conn *Conn) Join(channel string) { conn.out <- "JOIN " + channel } func (conn *Conn) Join(channel string) { conn.out <- JOIN + " " + channel }
// Part() sends a PART command to the server with an optional part message // Part() sends a PART command to the server with an optional part message
func (conn *Conn) Part(channel string, message ...string) { func (conn *Conn) Part(channel string, message ...string) {
@ -33,7 +61,7 @@ func (conn *Conn) Part(channel string, message ...string) {
if msg != "" { if msg != "" {
msg = " :" + msg msg = " :" + msg
} }
conn.out <- "PART " + channel + msg conn.out <- PART + " " + channel + msg
} }
// Kick() sends a KICK command to remove a nick from a channel // Kick() sends a KICK command to remove a nick from a channel
@ -42,7 +70,7 @@ func (conn *Conn) Kick(channel, nick string, message ...string) {
if msg != "" { if msg != "" {
msg = " :" + msg msg = " :" + msg
} }
conn.out <- "KICK " + channel + " " + nick + msg conn.out <- KICK + " " + channel + " " + nick + msg
} }
// Quit() sends a QUIT command to the server with an optional quit message // Quit() sends a QUIT command to the server with an optional quit message
@ -51,20 +79,20 @@ func (conn *Conn) Quit(message ...string) {
if msg == "" { if msg == "" {
msg = "GoBye!" msg = "GoBye!"
} }
conn.out <- "QUIT :" + msg conn.out <- QUIT + " :" + msg
} }
// Whois() sends a WHOIS command to the server // Whois() sends a WHOIS command to the server
func (conn *Conn) Whois(nick string) { conn.out <- "WHOIS " + nick } func (conn *Conn) Whois(nick string) { conn.out <- WHOIS + " " + nick }
//Who() sends a WHO command to the server //Who() sends a WHO command to the server
func (conn *Conn) Who(nick string) { conn.out <- "WHO " + nick } func (conn *Conn) Who(nick string) { conn.out <- WHO + " " + nick }
// Privmsg() sends a PRIVMSG to the target t // Privmsg() sends a PRIVMSG to the target t
func (conn *Conn) Privmsg(t, msg string) { conn.out <- "PRIVMSG " + t + " :" + msg } func (conn *Conn) Privmsg(t, msg string) { conn.out <- PRIVMSG + " " + t + " :" + msg }
// Notice() sends a NOTICE to the target t // Notice() sends a NOTICE to the target t
func (conn *Conn) Notice(t, msg string) { conn.out <- "NOTICE " + t + " :" + msg } func (conn *Conn) Notice(t, msg string) { conn.out <- NOTICE + " " + t + " :" + msg }
// Ctcp() sends a (generic) CTCP message to the target t // Ctcp() sends a (generic) CTCP message to the target t
// with an optional argument // with an optional argument
@ -87,10 +115,10 @@ func (conn *Conn) CtcpReply(t, ctcp string, arg ...string) {
} }
// Version() sends a CTCP "VERSION" to the target t // Version() sends a CTCP "VERSION" to the target t
func (conn *Conn) Version(t string) { conn.Ctcp(t, "VERSION") } func (conn *Conn) Version(t string) { conn.Ctcp(t, VERSION) }
// Action() sends a CTCP "ACTION" to the target t // Action() sends a CTCP "ACTION" to the target t
func (conn *Conn) Action(t, msg string) { conn.Ctcp(t, "ACTION", msg) } func (conn *Conn) Action(t, msg string) { conn.Ctcp(t, ACTION, msg) }
// Topic() sends a TOPIC command to the channel // Topic() sends a TOPIC command to the channel
// Topic(channel) retrieves the current channel topic (see "332" handler) // Topic(channel) retrieves the current channel topic (see "332" handler)
@ -100,7 +128,7 @@ func (conn *Conn) Topic(channel string, topic ...string) {
if t != "" { if t != "" {
t = " :" + t t = " :" + t
} }
conn.out <- "TOPIC " + channel + t conn.out <- TOPIC + " " + channel + t
} }
// Mode() sends a MODE command to the server. This one can get complicated if // Mode() sends a MODE command to the server. This one can get complicated if
@ -115,7 +143,7 @@ func (conn *Conn) Mode(t string, modestring ...string) {
if mode != "" { if mode != "" {
mode = " " + mode mode = " " + mode
} }
conn.out <- "MODE " + t + mode conn.out <- MODE + " " + t + mode
} }
// Away() sends an AWAY command to the server // Away() sends an AWAY command to the server
@ -126,15 +154,18 @@ func (conn *Conn) Away(message ...string) {
if msg != "" { if msg != "" {
msg = " :" + msg msg = " :" + msg
} }
conn.out <- "AWAY" + msg conn.out <- AWAY + msg
} }
// Invite() sends an INVITE command to the server // Invite() sends an INVITE command to the server
func (conn *Conn) Invite(nick, channel string) { func (conn *Conn) Invite(nick, channel string) { conn.out <- INVITE + " " + nick + " " + channel }
conn.out <- "INVITE " + nick + " " + channel
}
// Oper() sends an OPER command to the server // Oper() sends an OPER command to the server
func (conn *Conn) Oper(user, pass string) { func (conn *Conn) Oper(user, pass string) { conn.out <- OPER + " " + user + " " + pass }
conn.out <- "OPER " + user + " " + pass
} // Ping() sends a PING command to the server
// A PONG response is to be expected afterwards
func (conn *Conn) Ping(message string) { conn.out <- PING + " :" + message }
// Pong() sends a PONG command to the server
func (conn *Conn) Pong(message string) { conn.out <- PONG + " :" + message }

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@ -75,4 +75,10 @@ func TestClientCommands(t *testing.T) {
c.Oper("user", "pass") c.Oper("user", "pass")
s.nc.Expect("OPER user pass") s.nc.Expect("OPER user pass")
c.Ping("woot")
s.nc.Expect("PING :woot")
c.Pong("pwoot")
s.nc.Expect("PONG :pwoot")
} }

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@ -18,6 +18,7 @@ type Conn struct {
Host string Host string
Me *state.Nick Me *state.Nick
Network string Network string
password string
// Handlers and Commands // Handlers and Commands
handlers *hSet handlers *hSet
@ -164,13 +165,12 @@ func (conn *Conn) Connect(host string, pass ...string) error {
} }
conn.Host = host conn.Host = host
conn.Connected = true conn.Connected = true
conn.postConnect()
if len(pass) > 0 { if len(pass) > 0 {
conn.Pass(pass[0]) conn.password = pass[0]
} else {
conn.password = ""
} }
conn.Nick(conn.Me.Nick) conn.postConnect()
conn.User(conn.Me.Ident, conn.Me.Name)
return nil return nil
} }
@ -188,6 +188,7 @@ func (conn *Conn) postConnect() {
go func() { <-conn.cPing }() go func() { <-conn.cPing }()
} }
go conn.runLoop() go conn.runLoop()
conn.dispatch(&Line{Cmd: INIT})
} }
// copied from http.client for great justice // copied from http.client for great justice
@ -235,7 +236,7 @@ func (conn *Conn) ping() {
for { for {
select { select {
case <-tick.C: case <-tick.C:
conn.Raw(fmt.Sprintf("PING :%d", time.Now().UnixNano())) conn.Ping(fmt.Sprintf("%d", time.Now().UnixNano()))
case <-conn.cPing: case <-conn.cPing:
tick.Stop() tick.Stop()
return return
@ -305,7 +306,7 @@ func (conn *Conn) shutdown() {
// as calling sock.Close() will cause recv() to recieve EOF in readstring() // as calling sock.Close() will cause recv() to recieve EOF in readstring()
if conn.Connected { if conn.Connected {
logging.Info("irc.shutdown(): Disconnected from server.") logging.Info("irc.shutdown(): Disconnected from server.")
conn.dispatch(&Line{Cmd: "disconnected"}) conn.dispatch(&Line{Cmd: DISCONNECTED})
conn.Connected = false conn.Connected = false
conn.sock.Close() conn.sock.Close()
conn.cSend <- true conn.cSend <- true

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@ -3,8 +3,8 @@ package client
import ( import (
"bufio" "bufio"
"code.google.com/p/gomock/gomock" "code.google.com/p/gomock/gomock"
"github.com/fluffle/golog/logging"
"github.com/fluffle/goirc/state" "github.com/fluffle/goirc/state"
"github.com/fluffle/golog/logging"
"strings" "strings"
"testing" "testing"
"time" "time"
@ -33,6 +33,10 @@ func setUp(t *testing.T, start ...bool) (*Conn, *testState) {
// Hack to allow tests of send, recv, write etc. // Hack to allow tests of send, recv, write etc.
// NOTE: the value of the boolean doesn't matter. // NOTE: the value of the boolean doesn't matter.
c.postConnect() c.postConnect()
// All connections start with NICK/USER expect these.
nc.Expect("NICK test")
nc.Expect("USER test 12 * :Testing IRC")
// Sleep 1ms to allow background routines to start. // Sleep 1ms to allow background routines to start.
<-time.After(1e6) <-time.After(1e6)
} }
@ -57,7 +61,7 @@ func TestEOF(t *testing.T) {
// Set up a handler to detect whether disconnected handlers are called // Set up a handler to detect whether disconnected handlers are called
dcon := false dcon := false
c.HandleFunc("disconnected", func (conn *Conn, line *Line) { c.HandleFunc(DISCONNECTED, func(conn *Conn, line *Line) {
dcon = true dcon = true
}) })
@ -470,7 +474,7 @@ func TestRateLimit(t *testing.T) {
// We'll be needing this later... // We'll be needing this later...
abs := func(i time.Duration) time.Duration { abs := func(i time.Duration) time.Duration {
if (i < 0) { if i < 0 {
return -i return -i
} }
return i return i

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@ -105,7 +105,9 @@ func (hs *hSet) dispatch(conn *Conn, line *Line) {
defer hs.RUnlock() defer hs.RUnlock()
ev := strings.ToLower(line.Cmd) ev := strings.ToLower(line.Cmd)
list, ok := hs.set[ev] list, ok := hs.set[ev]
if !ok { return } if !ok {
return
}
for hn := list.start; hn != nil; hn = hn.next { for hn := list.start; hn != nil; hn = hn.next {
go hn.Handle(conn, line) go hn.Handle(conn, line)
} }

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@ -9,11 +9,12 @@ import (
// sets up the internal event handlers to do essential IRC protocol things // sets up the internal event handlers to do essential IRC protocol things
var intHandlers = map[string]HandlerFunc{ var intHandlers = map[string]HandlerFunc{
INIT: (*Conn).h_init,
"001": (*Conn).h_001, "001": (*Conn).h_001,
"433": (*Conn).h_433, "433": (*Conn).h_433,
"CTCP": (*Conn).h_CTCP, CTCP: (*Conn).h_CTCP,
"NICK": (*Conn).h_NICK, NICK: (*Conn).h_NICK,
"PING": (*Conn).h_PING, PING: (*Conn).h_PING,
} }
func (conn *Conn) addIntHandlers() { func (conn *Conn) addIntHandlers() {
@ -24,15 +25,24 @@ 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 // Basic ping/pong handler
func (conn *Conn) h_PING(line *Line) { func (conn *Conn) h_PING(line *Line) {
conn.Raw("PONG :" + line.Args[0]) conn.Pong(line.Args[0])
} }
// Handler to trigger a "CONNECTED" event on receipt of numeric 001 // Handler to trigger a "CONNECTED" event on receipt of numeric 001
func (conn *Conn) h_001(line *Line) { func (conn *Conn) h_001(line *Line) {
// we're connected! // we're connected!
conn.dispatch(&Line{Cmd: "connected"}) conn.dispatch(&Line{Cmd: CONNECTED})
// and we're being given our hostname (from the server's perspective) // and we're being given our hostname (from the server's perspective)
t := line.Args[len(line.Args)-1] t := line.Args[len(line.Args)-1]
if idx := strings.LastIndex(t, " "); idx != -1 { if idx := strings.LastIndex(t, " "); idx != -1 {
@ -70,10 +80,10 @@ func (conn *Conn) h_433(line *Line) {
// Handle VERSION requests and CTCP PING // Handle VERSION requests and CTCP PING
func (conn *Conn) h_CTCP(line *Line) { func (conn *Conn) h_CTCP(line *Line) {
if line.Args[0] == "VERSION" { if line.Args[0] == VERSION {
conn.CtcpReply(line.Nick, "VERSION", "powered by goirc...") conn.CtcpReply(line.Nick, VERSION, "powered by goirc...")
} else if line.Args[0] == "PING" { } else if line.Args[0] == PING {
conn.CtcpReply(line.Nick, "PING", line.Args[2]) conn.CtcpReply(line.Nick, PING, line.Args[2])
} }
} }
@ -99,7 +109,9 @@ func (conn *Conn) h_PRIVMSG(line *Line) {
} }
} }
cmd, l := conn.cmdMatch(txt) cmd, l := conn.cmdMatch(txt)
if cmd == nil { return } if cmd == nil {
return
}
if conn.CommandStripPrefix { if conn.CommandStripPrefix {
txt = strings.TrimSpace(txt[l:]) txt = strings.TrimSpace(txt[l:])
} }

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@ -27,7 +27,7 @@ func Test001(t *testing.T) {
l := parseLine(":irc.server.org 001 test :Welcome to IRC test!ident@somehost.com") l := parseLine(":irc.server.org 001 test :Welcome to IRC test!ident@somehost.com")
// Set up a handler to detect whether connected handler is called from 001 // Set up a handler to detect whether connected handler is called from 001
hcon := false hcon := false
c.HandleFunc("connected", func (conn *Conn, line *Line) { c.HandleFunc(CONNECTED, func(conn *Conn, line *Line) {
hcon = true hcon = true
}) })
@ -188,7 +188,6 @@ func TestPRIVMSG(t *testing.T){
c.h_PRIVMSG(parseLine(":blah!moo@cows.com PRIVMSG #foo :test! prefix bar")) c.h_PRIVMSG(parseLine(":blah!moo@cows.com PRIVMSG #foo :test! prefix bar"))
s.nc.ExpectNothing() s.nc.ExpectNothing()
} }
// Test the handler for JOIN messages // Test the handler for JOIN messages
@ -317,7 +316,6 @@ func TestMODE(t *testing.T) {
t.Errorf("Channel.ParseModes() not called correctly.") t.Errorf("Channel.ParseModes() not called correctly.")
} }
// Send a nick mode line, returning Me // Send a nick mode line, returning Me
gomock.InOrder( gomock.InOrder(
s.st.EXPECT().GetChannel("test").Return(nil), s.st.EXPECT().GetChannel("test").Return(nil),

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@ -62,7 +62,7 @@ func parseLine(s string) *Line {
// So, I think CTCP and (in particular) CTCP ACTION are better handled as // So, I think CTCP and (in particular) CTCP ACTION are better handled as
// separate events as opposed to forcing people to have gargantuan // separate events as opposed to forcing people to have gargantuan
// handlers to cope with the possibilities. // handlers to cope with the possibilities.
if (line.Cmd == "PRIVMSG" || line.Cmd == "NOTICE") && if (line.Cmd == PRIVMSG || line.Cmd == NOTICE) &&
len(line.Args[1]) > 2 && len(line.Args[1]) > 2 &&
strings.HasPrefix(line.Args[1], "\001") && strings.HasPrefix(line.Args[1], "\001") &&
strings.HasSuffix(line.Args[1], "\001") { strings.HasSuffix(line.Args[1], "\001") {
@ -72,16 +72,16 @@ func parseLine(s string) *Line {
// Replace the line with the unwrapped CTCP // Replace the line with the unwrapped CTCP
line.Args[1] = t[1] line.Args[1] = t[1]
} }
if c := strings.ToUpper(t[0]); c == "ACTION" && line.Cmd == "PRIVMSG" { if c := strings.ToUpper(t[0]); c == ACTION && line.Cmd == PRIVMSG {
// make a CTCP ACTION it's own event a-la PRIVMSG // make a CTCP ACTION it's own event a-la PRIVMSG
line.Cmd = c line.Cmd = c
} else { } else {
// otherwise, dispatch a generic CTCP/CTCPREPLY event that // otherwise, dispatch a generic CTCP/CTCPREPLY event that
// contains the type of CTCP in line.Args[0] // contains the type of CTCP in line.Args[0]
if line.Cmd == "PRIVMSG" { if line.Cmd == PRIVMSG {
line.Cmd = "CTCP" line.Cmd = CTCP
} else { } else {
line.Cmd = "CTCPREPLY" line.Cmd = CTCPREPLY
} }
line.Args = append([]string{c}, line.Args...) line.Args = append([]string{c}, line.Args...)
} }