many fixes

This commit is contained in:
Andreas Neue 2016-07-18 14:26:46 +02:00
parent 699952387e
commit a1274b131a
3 changed files with 114 additions and 128 deletions

View File

@ -107,19 +107,18 @@ func (cl *Client) loop() {
} }
} }
func (cl *Client) destroy(s string) { func (cl *Client) destroy() {
if cl.isClosed { if cl.isClosed {
return return
} }
cl.isClosed = true cl.isClosed = true
close(cl.writeq) close(cl.writeq)
cl.conn.Write([]byte("ERROR :Closing link (" + s + ")")) cl.conn.Write([]byte("ERROR :Closing link"))
cl.conn.Close() cl.conn.Close()
cl.server.DelClient <- cl
if cl.name != "" { if cl.name != "" {
xlog.Info("Client '%s' disconnected: %s", cl.name, s) xlog.Info("Client '%s' disconnected", cl.name)
} else { } else {
xlog.Info("Client disconnected: %s", s) xlog.Info("Client disconnected")
} }
} }
@ -130,13 +129,19 @@ func (cl *Client) writeLine(format string, a ...interface{}) {
func (cl *Client) connReader() { func (cl *Client) connReader() {
input := bufio.NewReader(cl.conn) input := bufio.NewReader(cl.conn)
for { for {
if cl.isClosed {
xlog.Debug("connReader: exiting")
return
}
s, err := input.ReadString('\n') s, err := input.ReadString('\n')
if err == io.EOF { if err == io.EOF {
cl.destroy("Connection lost") xlog.Info("connReader: Connection closed by peer")
cl.server.DelClient <- cl
return return
} }
if err != nil { if err != nil {
cl.destroy(fmt.Sprintf("Read error (%s)", err.Error())) xlog.Error("connReader: %s", err.Error())
cl.server.DelClient <- cl
return return
} }
s = strings.Trim(s, "\r\n") s = strings.Trim(s, "\r\n")
@ -151,57 +156,37 @@ func (cl *Client) connWriter() {
for written < len(line) { for written < len(line) {
n, err := cl.conn.Write(bytes[written:]) n, err := cl.conn.Write(bytes[written:])
if err == io.EOF { if err == io.EOF {
cl.destroy("Connection lost") xlog.Info("connWriter: Connection closed by peer")
cl.server.DelClient <- cl
return return
} else if err != nil { } else if err != nil {
cl.destroy(fmt.Sprintf("Write error (%s)", err.Error())) xlog.Error("connWriter: %s", err.Error())
cl.server.DelClient <- cl
return return
} }
written += n written += n
} }
} }
xlog.Debug("connWriter: exiting")
} }
var lineFuncs = map[string]func(*Client, *irc.Message) bool{ var lineFuncs = map[string]func(*Client, *irc.Message) bool{
"PASS": handleLinePass, "PASS": handleLinePass,
"NICK": handleLineNick, "NICK": handleLineNick,
"USER": handleLineUser, "USER": handleLineUser,
// "OPER: handleLineOper,
// "QUIT: handleLineQuit,
"JOIN": handleLineJoin,
"PART": handleLinePart,
"MODE": handleLineMode,
// "TOPIC: handleLineTopic,
// "NAMES: handleLineNames,
// "LIST: handleLineList,
// "INVITE: handleLineInvite,
// "KICK: handleLineKick,
// "VERSION: handleLineVersion,
// "STATS: handleLineStats,
// "TIME: handleLineTime,
// "ADMIN: handleLineAdmin,
// "INFO: handleLineInfo,
"PRIVMSG": handleLinePrivmsg,
// "NOTICE: handleLineNotice,
// "WHO: handleLineWho,
// "WHOIS: handleLineWhois,
// "WHOWAS: handleLineWhowas,
// "KILL: handleLineKill,
"PING": handleLinePing,
// "PONG: handleLinePong,
// "ERROR: handleLineError,
// "AWAY: handleLineAway,
"REHASH": handleLineRehash,
// "RESTART: handleLineRestart,
// "SUMMON: handleLineSummon,
// "USERS: handleLineUsers,
// "USERHOST: handleLineUserhost,
// "ISON: handleLineIson,
} }
func (cl *Client) handleLine(s string) { func (cl *Client) handleLine(s string) {
xlog.Debug("Raw: [%s] '%s'.", cl.name, s) xlog.Debug("handleLine: [%s] '%s'", cl.name, s)
cl.Send(irc.Parse(s)) msg := irc.Parse(s)
hook, exists := lineFuncs[msg.Cmd]
forward := true
if exists {
forward = hook(cl, msg)
}
if forward {
cl.Send(msg)
}
} }
func checkAuth(cl *Client) { func checkAuth(cl *Client) {
@ -227,9 +212,10 @@ func handleLineNick(cl *Client, msg *irc.Message) bool {
cl.server.AddClient <- cl cl.server.AddClient <- cl
if registered := <-cl.register; registered { if registered := <-cl.register; registered {
cl.isRegistered = true cl.isRegistered = true
xlog.Info("User '%s' registered.", msg.Args[0]) xlog.Info("User '%s' registered", msg.Args[0])
} else { } else {
cl.destroy("User '" + msg.Args[0] + "' already connected.") xlog.Error("User '%s' already connected", msg.Args[0])
cl.server.DelClient <- cl
} }
return false return false
} }
@ -237,27 +223,3 @@ func handleLineNick(cl *Client, msg *irc.Message) bool {
func handleLineUser(cl *Client, msg *irc.Message) bool { func handleLineUser(cl *Client, msg *irc.Message) bool {
return false return false
} }
func handleLineJoin(cl *Client, msg *irc.Message) bool {
return true
}
func handleLinePart(cl *Client, msg *irc.Message) bool {
return true
}
func handleLineMode(cl *Client, msg *irc.Message) bool {
return true
}
func handleLinePrivmsg(cl *Client, msg *irc.Message) bool {
return true
}
func handleLinePing(cl *Client, msg *irc.Message) bool {
return true
}
func handleLineRehash(cl *Client, msg *irc.Message) bool {
return true
}

8
main.go Normal file
View File

@ -0,0 +1,8 @@
// vim:ts=4:sts=4:sw=4:noet:tw=72
package main
func main() {
srv := NewServer("server.conf", "ircd", "0.0.1")
srv.Run()
}

136
server.go
View File

@ -36,8 +36,8 @@ type Server struct {
Dispatch chan *irc.Message Dispatch chan *irc.Message
AddClient chan *Client AddClient chan *Client
DelClient chan *Client DelClient chan *Client
Host string
host string
info string info string
software string software string
version string version string
@ -60,15 +60,15 @@ func NewServer(configPath, software, version string) *Server {
srv.Dispatch = make(chan *irc.Message, 1024) srv.Dispatch = make(chan *irc.Message, 1024)
srv.AddClient = make(chan *Client, 1024) srv.AddClient = make(chan *Client, 1024)
srv.DelClient = make(chan *Client, 1024) srv.DelClient = make(chan *Client, 1024)
srv.Host = "dnix.de"
srv.clients = make(map[string]*Client) srv.clients = make(map[string]*Client)
srv.subscriptions = make(map[string][]string) srv.subscriptions = make(map[string][]string)
srv.info = ""
srv.motd = `foo bar baz.`
srv.configPath = configPath srv.configPath = configPath
srv.loadConfig() srv.loadConfig()
loglevel, _ := srv.config.GetInt("system", "loglevel") loglevel, _ := srv.config.GetInt("system", "loglevel")
srv.host, _ = srv.config.GetString("server", "host")
srv.info, _ = srv.config.GetString("server", "info")
srv.motd, _ = srv.config.GetString("server", "motd")
xlog.Init(loglevel) xlog.Init(loglevel)
return srv return srv
@ -77,13 +77,36 @@ func NewServer(configPath, software, version string) *Server {
// Open the listening port and start the main server loop. // Open the listening port and start the main server loop.
func (srv *Server) Run() { func (srv *Server) Run() {
xlog.Info("%s/%s", srv.software, srv.version) xlog.Info("%s/%s", srv.software, srv.version)
srv.Host, _ = srv.config.GetString("server", "host") address, _ := srv.config.GetString("net", "address")
srv.info, _ = srv.config.GetString("server", "info")
port, _ := srv.config.GetInt("net", "port") port, _ := srv.config.GetInt("net", "port")
go srv.listen(port) go srv.listen(address, port)
srv.dispatch() 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))
if err != nil {
xlog.Fatal("Cannot listen on port %i (%s), exiting",
port, err.Error())
os.Exit(-1)
}
xlog.Info("Start listening on port %d", port)
for {
time.Sleep(1e6)
conn, err := listen.Accept()
if err != nil {
xlog.Error(err.Error())
} else {
NewClient(srv, conn)
}
}
}
func (srv *Server) dispatch() { func (srv *Server) dispatch() {
xlog.Debug("Entering msg dispatcher") xlog.Debug("Entering msg dispatcher")
for { for {
@ -107,7 +130,11 @@ func (srv *Server) dispatch() {
srv.clientMotd(cl) srv.clientMotd(cl)
case cl := <-srv.DelClient: case cl := <-srv.DelClient:
name := cl.Name() name := cl.Name()
cl.destroy()
//go func() {
// time.Sleep(10 * time.Second)
delete(srv.clients, name) delete(srv.clients, name)
//}()
xlog.Info("Client deleted: '%s'", name) xlog.Info("Client deleted: '%s'", name)
xlog.Info("Server has %d client(s)", len(srv.clients)) xlog.Info("Server has %d client(s)", len(srv.clients))
xlog.Debug("Goroutines running: %d", runtime.NumGoroutine()) xlog.Debug("Goroutines running: %d", runtime.NumGoroutine())
@ -116,30 +143,6 @@ func (srv *Server) dispatch() {
} }
} }
func (srv *Server) listen(port int) {
if _, exists := srv.ports[port]; exists {
xlog.Warning("Port %i already opened", port)
}
listen, err := net.Listen("tcp", ":"+strconv.Itoa(port))
if err != nil {
xlog.Fatal("Cannot listen on port %i (%s), exiting",
port, err.Error())
os.Exit(-1)
}
xlog.Info("Start listening on port %d", port)
for {
time.Sleep(1e6)
conn, err := listen.Accept()
if err != nil {
xlog.Error(err.Error())
} else {
NewClient(srv, conn)
}
}
}
func (srv *Server) loadConfig() { func (srv *Server) loadConfig() {
cfg, err := conf.ReadConfigFile(srv.configPath) cfg, err := conf.ReadConfigFile(srv.configPath)
if err != nil { if err != nil {
@ -150,20 +153,15 @@ func (srv *Server) loadConfig() {
} }
func (srv *Server) recvMsg(msg *irc.Message) { func (srv *Server) recvMsg(msg *irc.Message) {
if msg.Args[0] != "" {
srv.sendMsg(msg)
return
}
cmd := msg.Cmd cmd := msg.Cmd
hook, exists := srvCommandHooks[cmd] hook, exists := srvCommandHooks[cmd]
if !exists { if !exists {
srv.sendCommand(msg.Pre, ERR_UNKNOWNCOMMAND, cmd, "Unknown command") srv.sendReply(msg.Pre, ERR_UNKNOWNCOMMAND, cmd, "Unknown command")
return return
} }
argc := len(msg.Args) argc := len(msg.Args)
if argc < hook.MinArgs { if argc < hook.MinArgs {
srv.sendCommand(msg.Pre, ERR_NEEDMOREPARAMS, cmd, srv.sendReply(msg.Pre, ERR_NEEDMOREPARAMS, cmd, "Not enough parameters")
"Not enough parameters")
return return
} }
hook.HookFn(srv, msg) hook.HookFn(srv, msg)
@ -194,39 +192,42 @@ func (srv *Server) sendMsgToChannel(msg *irc.Message) {
func (srv *Server) sendMsgToClient(msg *irc.Message) { func (srv *Server) sendMsgToClient(msg *irc.Message) {
if _, exists := srv.clients[msg.Args[0]]; !exists { if _, exists := srv.clients[msg.Args[0]]; !exists {
xlog.Error("Client '%s' does not exist", msg.Args[0]) xlog.Error("sendMsgToClient: Client '%s' does not exist", msg.Args[0])
return return
} }
cl := srv.clients[msg.Args[0]] cl := srv.clients[msg.Args[0]]
cl.Receive(msg) cl.Receive(msg)
} }
func (srv *Server) sendCommand(dst, cmd, args, trail string) { func (srv *Server) sendReply(tar, cmd, args, trail string) {
srv.sendMsg(irc.M(srv.Host, cmd, args, trail)) if _, exists := srv.clients[tar]; !exists {
} xlog.Error("sendReply: Client '%s' does not exist", tar)
return
func (srv *Server) sendClient(cl *Client, cmd, args, trail string) { }
srv.sendMsg(irc.M(srv.Host, cmd, cl.Name()+" "+args, trail)) cl := srv.clients[tar]
cl.Receive(irc.M(srv.host, cmd, tar+" "+args, trail))
} }
func (srv *Server) clientLogon(cl *Client) { func (srv *Server) clientLogon(cl *Client) {
srv.sendClient(cl, RPL_WELCOME, "", "Willkommen!") srv.sendReply(cl.Name(), RPL_WELCOME, "", "Willkommen!")
srv.sendClient(cl, RPL_YOURHOST, "", srv.sendReply(cl.Name(), RPL_YOURHOST, "",
fmt.Sprintf("Your host is %s, running on %s/%s", fmt.Sprintf("Your host is %s, running on %s/%s",
srv.Host, srv.software, srv.version)) srv.host, srv.software, srv.version))
srv.sendClient(cl, RPL_CREATED, "", fmt.Sprintf("Created: %s", srv.created)) srv.sendReply(cl.Name(), RPL_CREATED, "",
srv.sendClient(cl, RPL_MYINFO, fmt.Sprintf("Created: %s", srv.created))
fmt.Sprintf(myinfo, srv.Host, srv.software, srv.version), "") srv.sendReply(cl.Name(), RPL_MYINFO, "",
srv.sendClient(cl, RPL_ISUPPORT, isupport, "are supported by this server") fmt.Sprintf(myinfo, srv.host, srv.software, srv.version))
srv.sendReply(cl.Name(), RPL_ISUPPORT, "",
isupport+" are supported by this server")
} }
func (srv *Server) clientMotd(cl *Client) { func (srv *Server) clientMotd(cl *Client) {
srv.sendClient(cl, RPL_MOTDSTART, "", srv.sendReply(cl.Name(), RPL_MOTDSTART, "",
fmt.Sprintf("- %s Message of the day -", srv.Host)) fmt.Sprintf("- %s Message of the day -", srv.host))
for _, line := range strings.Split(srv.motd, "\n") { for _, line := range strings.Split(srv.motd, "\n") {
srv.sendClient(cl, RPL_MOTD, "", fmt.Sprintf("- %s", line)) srv.sendReply(cl.Name(), RPL_MOTD, "", fmt.Sprintf("- %s", line))
} }
srv.sendClient(cl, RPL_ENDOFMOTD, "", "End of MOTD command") srv.sendReply(cl.Name(), RPL_ENDOFMOTD, "", "End of MOTD command")
} }
type SrvCommandHook struct { type SrvCommandHook struct {
@ -237,13 +238,16 @@ type SrvCommandHook struct {
} }
var srvCommandHooks = map[string]SrvCommandHook{ var srvCommandHooks = map[string]SrvCommandHook{
"OPER": {srvHandleCmdOper, 1, false, false}, "PRIVMSG": {srvHandleCmdPrivmsg, 1, false, false},
"JOIN": {srvHandleCmdPrivmsg, 1, false, false},
"PART": {srvHandleCmdPrivmsg, 1, false, false},
"QUIT": {srvHandleCmdQuit, 0, false, false}, "QUIT": {srvHandleCmdQuit, 0, false, false},
"MODE": {srvHandleCmdMode, 1, false, false}, "MODE": {srvHandleCmdMode, 1, false, false},
"LIST": {srvHandleCmdList, 0, false, false}, "LIST": {srvHandleCmdList, 0, false, false},
"VERSION": {srvHandleCmdVersion, 0, false, false}, "VERSION": {srvHandleCmdVersion, 0, false, false},
"STATS": {srvHandleCmdStats, 0, false, false}, "STATS": {srvHandleCmdStats, 0, false, false},
"TIME": {srvHandleCmdTime, 0, false, false}, "TIME": {srvHandleCmdTime, 0, false, false},
"OPER": {srvHandleCmdOper, 1, false, false},
"ADMIN": {srvHandleCmdAdmin, 0, false, false}, "ADMIN": {srvHandleCmdAdmin, 0, false, false},
"INFO": {srvHandleCmdInfo, 0, false, false}, "INFO": {srvHandleCmdInfo, 0, false, false},
"WHO": {srvHandleCmdWho, 0, false, false}, "WHO": {srvHandleCmdWho, 0, false, false},
@ -262,6 +266,16 @@ var srvCommandHooks = map[string]SrvCommandHook{
"ISON": {srvHandleCmdIson, 0, false, false}, "ISON": {srvHandleCmdIson, 0, false, false},
} }
func srvHandleCmdPrivmsg(srv *Server, msg *irc.Message) {
srv.sendMsg(msg)
}
func srvHandleCmdJoin(srv *Server, msg *irc.Message) {
}
func srvHandleCmdPart(srv *Server, msg *irc.Message) {
}
func srvHandleCmdOper(srv *Server, msg *irc.Message) { func srvHandleCmdOper(srv *Server, msg *irc.Message) {
} }
@ -293,6 +307,8 @@ func srvHandleCmdWho(srv *Server, msg *irc.Message) {
} }
func srvHandleCmdWhois(srv *Server, msg *irc.Message) { func srvHandleCmdWhois(srv *Server, msg *irc.Message) {
println("in whois")
srv.sendReply(msg.Pre, RPL_WHOISUSER, "nick user host *", "real name")
} }
func srvHandleCmdWhowas(srv *Server, msg *irc.Message) { func srvHandleCmdWhowas(srv *Server, msg *irc.Message) {
@ -302,7 +318,7 @@ func srvHandleCmdKill(srv *Server, msg *irc.Message) {
} }
func srvHandleCmdPing(srv *Server, msg *irc.Message) { func srvHandleCmdPing(srv *Server, msg *irc.Message) {
srv.sendCommand(msg.Pre, "PONG", "", msg.Args[0]) srv.sendReply(msg.Pre, "PONG", msg.Args[0], "")
} }
func srvHandleCmdPong(srv *Server, msg *irc.Message) { func srvHandleCmdPong(srv *Server, msg *irc.Message) {
@ -316,8 +332,8 @@ func srvHandleCmdAway(srv *Server, msg *irc.Message) {
func srvHandleCmdRehash(srv *Server, msg *irc.Message) { func srvHandleCmdRehash(srv *Server, msg *irc.Message) {
srv.loadConfig() srv.loadConfig()
srv.sendCommand(msg.Pre, RPL_REHASHING, "", "Rehashing.") srv.sendReply(msg.Pre, RPL_REHASHING, "", "Rehashing.")
xlog.Info("Rehashing.") xlog.Info("Rehashing")
} }
func srvHandleCmdRestart(srv *Server, msg *irc.Message) { func srvHandleCmdRestart(srv *Server, msg *irc.Message) {