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Added basic monitoring; channel topics

This commit is contained in:
Andreas Neue 2016-07-19 18:25:39 +02:00
parent 3234f81785
commit 2c1db1a573
3 changed files with 152 additions and 162 deletions
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23
client.go
View File

@ -18,7 +18,7 @@ type Client interface {
Name() string
Send(*irc.Message)
Receive(*irc.Message)
Register() chan bool
//Register() chan bool
Destroy()
}
@ -50,7 +50,7 @@ func NewRemoteClient(srv *Server, conn net.Conn) *RemoteClient {
cl.modes = ""
cl.receive = make(chan *irc.Message)
cl.register = make(chan bool)
//cl.register = make(chan bool)
cl.isRegistered = false
cl.isAuthed = false
@ -80,10 +80,6 @@ func (cl *RemoteClient) Receive(msg *irc.Message) {
cl.receive <- msg
}
func (cl *RemoteClient) Register() chan bool {
return cl.register
}
func (cl *RemoteClient) AddMode(mode string) {
cl.modes = cl.modes + mode
}
@ -212,19 +208,14 @@ func handleLineNick(cl *RemoteClient, msg *irc.Message) bool {
if cl.name != "" {
return false
}
if len(msg.Args) < 1 {
xlog.Warning("Nicksalat!")
cl.name = msg.Args[0]
if _, exists := cl.server.clients[cl.name]; exists {
cl.Destroy()
xlog.Error("Registration of user '%s' failed", msg.Args[0])
return false
}
cl.name = msg.Args[0]
cl.server.AddClient <- cl
if registered := <-cl.register; registered {
cl.isRegistered = true
xlog.Info("User '%s' registered", msg.Args[0])
} else {
xlog.Error("User '%s' already connected", msg.Args[0])
cl.server.DelClient <- cl
}
xlog.Info("User '%s' registered", msg.Args[0])
return false
}

40
monitoring.go Normal file
View File

@ -0,0 +1,40 @@
// vim:ts=4:sts=4:sw=4:noet:tw=72
package ircd
import (
"net/http"
"time"
"github.com/prometheus/client_golang/prometheus"
)
var (
gaugePacketsTransferred prometheus.Gauge
gaugeClientConnections prometheus.Gauge
)
func monitoringRun(srv *Server) {
gaugePacketsTransferred = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ircd_packets_transferred",
Help: "Packets handled",
})
gaugeClientConnections = prometheus.NewGauge(prometheus.GaugeOpts{
Name: "ircd_clients_connected",
Help: "Client connections",
})
prometheus.MustRegister(gaugePacketsTransferred)
prometheus.MustRegister(gaugeClientConnections)
go monitoringUpdater(srv)
http.Handle("/metrics", prometheus.Handler())
laddr, _ := srv.config.GetString("net", "listen_prom")
http.ListenAndServe(laddr, nil)
}
func monitoringUpdater(srv *Server) {
for {
time.Sleep(5 * time.Second)
gaugePacketsTransferred.Set(srv.packetsTransferred)
gaugeClientConnections.Set(srv.clientConnections)
}
}

251
server.go
View File

@ -7,7 +7,6 @@ import (
"net"
"os"
"runtime"
"strconv"
"strings"
"time"
@ -37,10 +36,14 @@ type Server struct {
created string
motd string
clients map[string]Client
channels map[string]map[string]string
chSubs map[string]map[string]string
chTopics map[string]string
ports map[int]bool
config *conf.ConfigFile
configPath string
packetsTransferred float64
clientConnections float64
}
func init() {
@ -55,7 +58,8 @@ func NewServer(configPath, software, version string) *Server {
srv.DelClient = make(chan Client, 1024)
srv.clients = make(map[string]Client)
srv.channels = make(map[string]map[string]string)
srv.chSubs = make(map[string]map[string]string)
srv.chTopics = make(map[string]string)
srv.configPath = configPath
srv.loadConfig()
loglevel, _ := srv.config.GetInt("system", "loglevel")
@ -64,38 +68,38 @@ func NewServer(configPath, software, version string) *Server {
srv.motd, _ = srv.config.GetString("server", "motd")
xlog.Init(loglevel)
srv.packetsTransferred = 0
srv.clientConnections = 0
return srv
}
// Open the listening port and start the main server loop.
func (srv *Server) Run() {
xlog.Info("%s/%s", srv.software, srv.version)
address, _ := srv.config.GetString("net", "address")
port, _ := srv.config.GetInt("net", "port")
go srv.listen(address, port)
go monitoringRun(srv)
laddr, _ := srv.config.GetString("net", "listen_ircd")
go srv.listen(laddr)
srv.dispatch()
}
func (srv *Server) listen(address string, port int) {
if _, exists := srv.ports[port]; exists {
xlog.Warning("Port %i already opened", port)
}
listen, err := net.Listen("tcp", address+":"+strconv.Itoa(port))
func (srv *Server) listen(laddr string) {
listen, err := net.Listen("tcp", laddr)
if err != nil {
xlog.Fatal("Cannot listen on port %i (%s), exiting",
port, err.Error())
xlog.Fatal(err.Error())
os.Exit(-1)
}
xlog.Info("Start listening on port %d", port)
xlog.Info("Start listening on %s", laddr)
for {
time.Sleep(1e6)
time.Sleep(1 * time.Millisecond)
conn, err := listen.Accept()
if err != nil {
xlog.Error(err.Error())
} else {
NewRemoteClient(srv, conn)
srv.clientConnections++
}
}
}
@ -107,27 +111,19 @@ func (srv *Server) dispatch() {
select {
case msg := <-srv.Dispatch:
srv.recvMsg(msg)
srv.packetsTransferred++
case cl := <-srv.AddClient:
name := cl.Name()
if _, exists := srv.clients[name]; exists {
xlog.Warning("Client registration failed: '%s'", name)
go func() { cl.Register() <- false }()
continue
}
go func() { cl.Register() <- true }()
srv.clients[name] = cl
srv.clientLogon(cl)
srv.clientMotd(cl)
xlog.Info("Client registered: '%s'", name)
xlog.Info("Server has %d client(s)", len(srv.clients))
xlog.Debug("Goroutines running: %d", runtime.NumGoroutine())
srv.clientLogon(cl)
srv.clientMotd(cl)
case cl := <-srv.DelClient:
name := cl.Name()
cl.Destroy()
//go func() {
// time.Sleep(10 * time.Second)
delete(srv.clients, name)
//}()
xlog.Info("Client deleted: '%s'", name)
xlog.Info("Server has %d client(s)", len(srv.clients))
xlog.Debug("Goroutines running: %d", runtime.NumGoroutine())
@ -157,41 +153,45 @@ func (srv *Server) recvMsg(msg *irc.Message) {
srv.sendReply(msg.Pre, ERR_NEEDMOREPARAMS, cmd, "Not enough parameters")
return
}
if hook.NeedTrail && msg.Trail == "" {
srv.sendReply(msg.Pre, ERR_NEEDMOREPARAMS, cmd, "Not enough parameters")
return
}
hook.HookFn(srv, msg)
}
func (srv *Server) sendMsg(msg *irc.Message) {
if strings.HasPrefix(msg.Args[0], "#") {
srv.channelBroadcast(msg.Args[0], msg)
srv.bcChan(msg)
} else {
srv.sendMsgToClient(msg)
srv.sendClient(msg)
}
}
func (srv *Server) sendMsgToChannel(msg *irc.Message) {
cname := msg.Args[0]
if _, exists := srv.channels[cname]; !exists {
return
}
subs := srv.channels[cname]
for sub, _ := range subs {
if _, exists := srv.clients[sub]; !exists {
continue
}
cl := srv.clients[sub]
cl.Receive(msg)
}
}
func (srv *Server) sendMsgToClient(msg *irc.Message) {
func (srv *Server) sendClient(msg *irc.Message) {
if _, exists := srv.clients[msg.Args[0]]; !exists {
xlog.Error("sendMsgToClient: Client '%s' does not exist", msg.Args[0])
xlog.Debug("sendClient: Client '%s' does not exist", msg.Args[0])
srv.sendReply(msg.Pre, ERR_NOSUCHNICK, msg.Args[0], "No such nick/channel")
return
}
cl := srv.clients[msg.Args[0]]
cl.Receive(msg)
}
func (srv *Server) bcChan(msg *irc.Message) {
ch := msg.Args[0]
if _, exists := srv.chSubs[ch]; !exists {
xlog.Error("bcChan: Channel '%s' does not exist", ch)
return
}
for nick, _ := range srv.chSubs[ch] {
if msg.Pre == nick && msg.Cmd == "PRIVMSG" {
continue
}
srv.clients[nick].Receive(msg)
}
}
func (srv *Server) sendReply(tar, cmd, args, trail string) {
if _, exists := srv.clients[tar]; !exists {
xlog.Error("sendReply: Client '%s' does not exist", tar)
@ -199,7 +199,7 @@ func (srv *Server) sendReply(tar, cmd, args, trail string) {
}
cl := srv.clients[tar]
if args != "" {
args = tar + args
args = tar + " " + args
} else {
args = tar
}
@ -228,71 +228,68 @@ func (srv *Server) clientMotd(cl Client) {
srv.sendReply(cl.Name(), RPL_ENDOFMOTD, "", "End of MOTD command")
}
func (srv *Server) channelBroadcast(ch string, msg *irc.Message) {
for nick, _ := range srv.channels[ch] {
if msg.Pre == nick && msg.Cmd == "PRIVMSG" {
continue
}
srv.clients[nick].Receive(msg)
}
}
func (srv *Server) channelJoin(nick, ch string) {
if _, exists := srv.channels[ch]; !exists {
srv.channels[ch] = make(map[string]string)
if _, exists := srv.chSubs[ch]; !exists {
srv.chSubs[ch] = make(map[string]string)
srv.chTopics[ch] = ""
}
if _, exists := srv.channels[ch][nick]; exists {
if _, exists := srv.chSubs[ch][nick]; exists {
return
}
srv.channels[ch][nick] = ""
srv.channelBroadcast(ch, irc.M(nick, "JOIN", ch, ""))
srv.chSubs[ch][nick] = ""
srv.bcChan(irc.M(nick, "JOIN", ch, ""))
srv.sendReply(nick, RPL_TOPIC, ch, srv.chTopics[ch])
}
func (srv *Server) channelPart(nick, ch, reason string) {
if _, exists := srv.channels[ch]; !exists {
if _, exists := srv.chSubs[ch]; !exists {
return
}
if _, exists := srv.channels[ch][nick]; !exists {
if _, exists := srv.chSubs[ch][nick]; !exists {
return
}
srv.channelBroadcast(ch, irc.M(nick, "PART", ch, reason))
delete(srv.channels[ch], nick)
srv.bcChan(irc.M(nick, "PART", ch, reason))
delete(srv.chSubs[ch], nick)
}
type SrvCommandHook struct {
HookFn func(srv *Server, msg *irc.Message)
MinArgs int
NeedOper bool
NeedAuth bool
HookFn func(srv *Server, msg *irc.Message)
MinArgs int
NeedTrail bool
NeedOper bool
NeedAuth bool
}
var srvCommandHooks = map[string]SrvCommandHook{
"PRIVMSG": {srvHandleCmdPrivmsg, 1, false, false},
"JOIN": {srvHandleCmdJoin, 1, false, false},
"PART": {srvHandleCmdPart, 1, false, false},
"QUIT": {srvHandleCmdQuit, 0, false, false},
"MODE": {srvHandleCmdMode, 1, false, false},
"LIST": {srvHandleCmdList, 0, false, false},
"VERSION": {srvHandleCmdVersion, 0, false, false},
"STATS": {srvHandleCmdStats, 0, false, false},
"TIME": {srvHandleCmdTime, 0, false, false},
"OPER": {srvHandleCmdOper, 1, false, false},
"ADMIN": {srvHandleCmdAdmin, 0, false, false},
"INFO": {srvHandleCmdInfo, 0, false, false},
"WHO": {srvHandleCmdWho, 0, false, false},
"WHOIS": {srvHandleCmdWhois, 0, false, false},
"WHOWAS": {srvHandleCmdWhowas, 0, false, false},
"KILL": {srvHandleCmdKill, 0, false, false},
"PING": {srvHandleCmdPing, 0, false, false},
"PONG": {srvHandleCmdPong, 0, false, false},
"ERROR": {srvHandleCmdError, 0, false, false},
"AWAY": {srvHandleCmdAway, 0, false, false},
"REHASH": {srvHandleCmdRehash, 0, false, false},
"RESTART": {srvHandleCmdRestart, 0, false, false},
"SUMMON": {srvHandleCmdSummon, 0, false, false},
"USERS": {srvHandleCmdUsers, 0, false, false},
"USERHOST": {srvHandleCmdUserhost, 0, false, false},
"ISON": {srvHandleCmdIson, 0, false, false},
"PRIVMSG": {srvHandleCmdPrivmsg, 1, true, false, false},
"JOIN": {srvHandleCmdJoin, 1, false, false, false},
"PART": {srvHandleCmdPart, 1, false, false, false},
"QUIT": {srvHandleCmdQuit, 0, false, false, false},
"MODE": {srvHandleCmdMode, 1, false, false, false},
"TOPIC": {srvHandleCmdTopic, 1, false, false, false},
"WHOIS": {srvHandleCmdWhois, 0, false, false, false},
"PING": {srvHandleCmdPing, 1, false, false, false},
"REHASH": {srvHandleCmdRehash, 0, false, false, false},
/*
"LIST": {srvHandleCmdList, 0, false, false},
"VERSION": {srvHandleCmdVersion, 0, false, false},
"STATS": {srvHandleCmdStats, 0, false, false},
"TIME": {srvHandleCmdTime, 0, false, false},
"OPER": {srvHandleCmdOper, 1, false, false},
"ADMIN": {srvHandleCmdAdmin, 0, false, false},
"INFO": {srvHandleCmdInfo, 0, false, false},
"WHO": {srvHandleCmdWho, 0, false, false},
"WHOWAS": {srvHandleCmdWhowas, 0, false, false},
"KILL": {srvHandleCmdKill, 0, false, false},
"PONG": {srvHandleCmdPong, 0, false, false},
"ERROR": {srvHandleCmdError, 0, false, false},
"AWAY": {srvHandleCmdAway, 0, false, false},
"RESTART": {srvHandleCmdRestart, 0, false, false},
"SUMMON": {srvHandleCmdSummon, 0, false, false},
"USERS": {srvHandleCmdUsers, 0, false, false},
"USERHOST": {srvHandleCmdUserhost, 0, false, false},
"ISON": {srvHandleCmdIson, 0, false, false},
*/
}
func srvHandleCmdPrivmsg(srv *Server, msg *irc.Message) {
@ -307,76 +304,38 @@ func srvHandleCmdPart(srv *Server, msg *irc.Message) {
srv.channelPart(msg.Pre, msg.Args[0], msg.Trail)
}
func srvHandleCmdOper(srv *Server, msg *irc.Message) {
}
func srvHandleCmdQuit(srv *Server, msg *irc.Message) {
}
func srvHandleCmdMode(srv *Server, msg *irc.Message) {
}
func srvHandleCmdList(srv *Server, msg *irc.Message) {
}
func srvHandleCmdVersion(srv *Server, msg *irc.Message) {
}
func srvHandleCmdStats(srv *Server, msg *irc.Message) {
}
func srvHandleCmdTime(srv *Server, msg *irc.Message) {
}
func srvHandleCmdAdmin(srv *Server, msg *irc.Message) {
}
func srvHandleCmdInfo(srv *Server, msg *irc.Message) {
}
func srvHandleCmdWho(srv *Server, msg *irc.Message) {
func srvHandleCmdTopic(srv *Server, msg *irc.Message) {
ch := msg.Args[0]
if _, exists := srv.chSubs[ch]; !exists {
srv.sendReply(msg.Pre, ERR_NOSUCHCHANNEL, ch, "No such channel")
}
if msg.Trail == "" {
srv.sendReply(msg.Pre, RPL_TOPIC, ch, srv.chTopics[ch])
} else {
srv.chTopics[ch] = msg.Trail
srv.bcChan(msg)
//srv.sendReply(msg.Pre, RPL_TOPIC, ch, msg.Trail)
}
}
func srvHandleCmdWhois(srv *Server, msg *irc.Message) {
srv.sendReply(msg.Pre, RPL_WHOISUSER, "nick user host *", "real name")
}
func srvHandleCmdWhowas(srv *Server, msg *irc.Message) {
}
func srvHandleCmdKill(srv *Server, msg *irc.Message) {
}
func srvHandleCmdPing(srv *Server, msg *irc.Message) {
srv.sendReply(msg.Pre, "PONG", msg.Args[0], "")
}
func srvHandleCmdPong(srv *Server, msg *irc.Message) {
}
func srvHandleCmdError(srv *Server, msg *irc.Message) {
}
func srvHandleCmdAway(srv *Server, msg *irc.Message) {
}
func srvHandleCmdRehash(srv *Server, msg *irc.Message) {
srv.loadConfig()
srv.sendReply(msg.Pre, RPL_REHASHING, "", "Rehashing.")
xlog.Info("Rehashing")
}
func srvHandleCmdRestart(srv *Server, msg *irc.Message) {
}
func srvHandleCmdSummon(srv *Server, msg *irc.Message) {
}
func srvHandleCmdUsers(srv *Server, msg *irc.Message) {
}
func srvHandleCmdUserhost(srv *Server, msg *irc.Message) {
}
func srvHandleCmdIson(srv *Server, msg *irc.Message) {
}