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irc: Assorted golint cleanups

This commit is contained in:
Daniel Oaks 2016-10-23 11:48:57 +10:00
parent 29e811a531
commit a7949b6cb4
3 changed files with 59 additions and 57 deletions

View File

@ -216,15 +216,15 @@ func (channel *Channel) Join(client *Client, key string) {
return
}
isInvited := channel.lists[InviteMask].Match(client.UserHost())
isInvited := channel.lists[InviteMask].Match(client.nickMaskCasefolded)
if channel.flags[InviteOnly] && !isInvited {
client.Send(nil, client.server.name, ERR_INVITEONLYCHAN, channel.name, "Cannot join channel (+i)")
return
}
if channel.lists[BanMask].Match(client.UserHost()) &&
if channel.lists[BanMask].Match(client.nickMaskCasefolded) &&
!isInvited &&
!channel.lists[ExceptMask].Match(client.UserHost()) {
!channel.lists[ExceptMask].Match(client.nickMaskCasefolded) {
client.Send(nil, client.server.name, ERR_BANNEDFROMCHAN, channel.name, "Cannot join channel (+b)")
return
}
@ -514,7 +514,7 @@ func (channel *Channel) Invite(invitee *Client, inviter *Client) {
//TODO(dan): handle this more nicely, keep a list of last X invited channels on invitee rather than explicitly modifying the invite list?
if channel.flags[InviteOnly] {
channel.lists[InviteMask].Add(invitee.UserHost())
channel.lists[InviteMask].Add(invitee.nickMaskCasefolded)
}
// send invite-notify

View File

@ -27,6 +27,7 @@ var (
TIMEOUT_STATED_SECONDS = strconv.Itoa(int((IDLE_TIMEOUT + QUIT_TIMEOUT).Seconds()))
)
// Client is an IRC client.
type Client struct {
account *ClientAccount
atime time.Time
@ -191,10 +192,12 @@ func (client *Client) connectionIdle() {
// server goroutine
//
// Active marks the client as 'active' (i.e. the user should be there).
func (client *Client) Active() {
client.atime = time.Now()
}
// Touch marks the client as alive.
func (client *Client) Touch() {
if client.quitTimer != nil {
client.quitTimer.Stop()
@ -207,6 +210,7 @@ func (client *Client) Touch() {
}
}
// Idle resets the timeout handlers and sends the client a PING.
func (client *Client) Idle() {
client.Send(nil, "", "PING", client.nick)
@ -229,22 +233,27 @@ func (client *Client) Register() {
client.alertMonitors()
}
// IdleTime returns how long this client's been idle.
func (client *Client) IdleTime() time.Duration {
return time.Since(client.atime)
}
// SignonTime returns this client's signon time as a unix timestamp.
func (client *Client) SignonTime() int64 {
return client.ctime.Unix()
}
// IdleSeconds returns the number of seconds this client's been idle.
func (client *Client) IdleSeconds() uint64 {
return uint64(client.IdleTime().Seconds())
}
// HasNick returns true if the client's nickname is set (used in registration).
func (client *Client) HasNick() bool {
return client.nick != "" && client.nick != "*"
}
// HasNick returns true if the client's username is set (used in registration).
func (client *Client) HasUsername() bool {
return client.username != "" && client.username != "*"
}
@ -275,14 +284,6 @@ func (c *Client) ModeString() (str string) {
return
}
func (c *Client) UserHost() string {
return fmt.Sprintf("%s!%s@%s", c.nick, c.username, c.hostname)
}
func (c *Client) Id() string {
return c.UserHost()
}
// Friends refers to clients that share a channel with this client.
func (client *Client) Friends(Capabilities ...Capability) ClientSet {
friends := make(ClientSet)
@ -331,6 +332,7 @@ func (client *Client) updateNickMask() {
client.nickMaskCasefolded = nickMaskCasefolded
}
// SetNickname sets the very first nickname for the client.
func (client *Client) SetNickname(nickname string) {
if client.HasNick() {
Log.error.Printf("%s nickname already set!", client.nickMaskString)
@ -341,6 +343,7 @@ func (client *Client) SetNickname(nickname string) {
client.server.clients.Add(client)
}
// ChangeNickname changes the existing nickname of the client.
func (client *Client) ChangeNickname(nickname string) {
origNickMask := client.nickMaskString
client.server.clients.Remove(client)
@ -353,16 +356,12 @@ func (client *Client) ChangeNickname(nickname string) {
}
}
func (client *Client) Reply(reply string) error {
//TODO(dan): We'll be passing around real message objects instead of raw strings
return client.socket.WriteLine(reply)
}
func (client *Client) Quit(message string) {
client.Send(nil, client.nickMaskString, "QUIT", message)
client.Send(nil, client.nickMaskString, "ERROR", message)
}
// destroy gets rid of a client, removes them from server lists etc.
func (client *Client) destroy() {
if client.isDestroyed {
return

View File

@ -59,20 +59,22 @@ type ListenerEvent struct {
// Server is the main Oragono server.
type Server struct {
accountRegistration *AccountRegistration
accounts map[string]*ClientAccount
authenticationEnabled bool
channels ChannelNameMap
checkIdent bool
clients *ClientLookupSet
commands chan Command
configFilename string
ctime time.Time
currentOpers map[*Client]bool
store buntdb.DB
idle chan *Client
isupport *ISupportList
limits Limits
listenerEventActMutex sync.Mutex
listenerUpdateMutex sync.Mutex
listeners map[string]ListenerInterface
listenerUpdateMutex sync.Mutex
monitoring map[string][]Client
motdLines []string
name string
@ -84,16 +86,15 @@ type Server struct {
password []byte
passwords *PasswordManager
rehashMutex sync.Mutex
accountRegistration *AccountRegistration
signals chan os.Signal
rehashSignal chan os.Signal
signals chan os.Signal
store buntdb.DB
whoWas *WhoWasList
isupport *ISupportList
checkIdent bool
}
var (
SERVER_SIGNALS = []os.Signal{
// ServerExitSignals are the signals the server will exit on.
ServerExitSignals = []os.Signal{
syscall.SIGINT,
syscall.SIGTERM,
syscall.SIGQUIT,
@ -152,7 +153,7 @@ func NewServer(configFilename string, config *Config) *Server {
newConns: make(chan clientConn),
operclasses: *operClasses,
operators: opers,
signals: make(chan os.Signal, len(SERVER_SIGNALS)),
signals: make(chan os.Signal, len(ServerExitSignals)),
rehashSignal: make(chan os.Signal, 1),
whoWas: NewWhoWasList(config.Limits.WhowasEntries),
checkIdent: config.Server.CheckIdent,
@ -223,7 +224,7 @@ func NewServer(configFilename string, config *Config) *Server {
server.accountRegistration = &accountReg
// Attempt to clean up when receiving these signals.
signal.Notify(server.signals, SERVER_SIGNALS...)
signal.Notify(server.signals, ServerExitSignals...)
signal.Notify(server.rehashSignal, syscall.SIGHUP)
server.setISupport()
@ -289,6 +290,7 @@ func (server *Server) Shutdown() {
}
}
// Run starts the server.
func (server *Server) Run() {
// defer closing db/store
defer server.store.Close()
@ -320,12 +322,13 @@ func (server *Server) Run() {
// IRC protocol listeners
//
func (s *Server) createListener(addr string, tlsMap map[string]*tls.Config) {
// createListener starts the given listeners.
func (server *Server) createListener(addr string, tlsMap map[string]*tls.Config) {
config, listenTLS := tlsMap[addr]
_, alreadyExists := s.listeners[addr]
_, alreadyExists := server.listeners[addr]
if alreadyExists {
log.Fatal(s, "listener already exists:", addr)
log.Fatal(server, "listener already exists:", addr)
}
// make listener event channel
@ -334,7 +337,7 @@ func (s *Server) createListener(addr string, tlsMap map[string]*tls.Config) {
// make listener
listener, err := net.Listen("tcp", addr)
if err != nil {
log.Fatal(s, "listen error: ", err)
log.Fatal(server, "listen error: ", err)
}
tlsString := "plaintext"
@ -349,10 +352,10 @@ func (s *Server) createListener(addr string, tlsMap map[string]*tls.Config) {
Events: listenerEventChannel,
Listener: listener,
}
s.listeners[addr] = li
server.listeners[addr] = li
// start listening
Log.info.Printf("%s listening on %s using %s.", s.name, addr, tlsString)
Log.info.Printf("%s listening on %s using %s.", server.name, addr, tlsString)
// setup accept goroutine
go func() {
@ -365,15 +368,15 @@ func (s *Server) createListener(addr string, tlsMap map[string]*tls.Config) {
IsTLS: listenTLS,
}
s.newConns <- newConn
server.newConns <- newConn
}
select {
case event := <-s.listeners[addr].Events:
case event := <-server.listeners[addr].Events:
// this is used to confirm that whoever passed us this event has closed the existing listener correctly (in an attempt to get us to notice the event).
// this is required to keep REHASH from having a very small race possibility of killing the primary listener
s.listenerEventActMutex.Lock()
s.listenerEventActMutex.Unlock()
server.listenerEventActMutex.Lock()
server.listenerEventActMutex.Unlock()
if event.Type == DestroyListener {
// listener should already be closed, this is just for safety
@ -386,7 +389,7 @@ func (s *Server) createListener(addr string, tlsMap map[string]*tls.Config) {
// make new listener
listener, err = net.Listen("tcp", addr)
if err != nil {
log.Fatal(s, "listen error: ", err)
log.Fatal(server, "listen error: ", err)
}
tlsString := "plaintext"
@ -399,12 +402,12 @@ func (s *Server) createListener(addr string, tlsMap map[string]*tls.Config) {
// update server ListenerInterface
li.Listener = listener
s.listenerUpdateMutex.Lock()
s.listeners[addr] = li
s.listenerUpdateMutex.Unlock()
server.listenerUpdateMutex.Lock()
server.listeners[addr] = li
server.listenerUpdateMutex.Unlock()
// print notice
Log.info.Printf("%s updated listener %s using %s.", s.name, addr, tlsString)
Log.info.Printf("%s updated listener %s using %s.", server.name, addr, tlsString)
}
default:
// no events waiting for us, fall-through and continue
@ -417,10 +420,10 @@ func (s *Server) createListener(addr string, tlsMap map[string]*tls.Config) {
// websocket listen goroutine
//
func (s *Server) wslisten(addr string, tlsMap map[string]*TLSListenConfig) {
func (server *Server) wslisten(addr string, tlsMap map[string]*TLSListenConfig) {
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
if r.Method != "GET" {
Log.error.Printf("%s method not allowed", s.name)
Log.error.Printf("%s method not allowed", server.name)
return
}
@ -433,7 +436,7 @@ func (s *Server) wslisten(addr string, tlsMap map[string]*TLSListenConfig) {
ws, err := upgrader.Upgrade(w, r, nil)
if err != nil {
Log.error.Printf("%s websocket upgrade error: %s", s.name, err)
Log.error.Printf("%s websocket upgrade error: %s", server.name, err)
return
}
@ -441,7 +444,7 @@ func (s *Server) wslisten(addr string, tlsMap map[string]*TLSListenConfig) {
Conn: WSContainer{ws},
IsTLS: false, //TODO(dan): track TLS or not here properly
}
s.newConns <- newConn
server.newConns <- newConn
})
go func() {
config, listenTLS := tlsMap[addr]
@ -451,7 +454,7 @@ func (s *Server) wslisten(addr string, tlsMap map[string]*TLSListenConfig) {
if listenTLS {
tlsString = "TLS"
}
Log.info.Printf("%s websocket listening on %s using %s.", s.name, addr, tlsString)
Log.info.Printf("%s websocket listening on %s using %s.", server.name, addr, tlsString)
if listenTLS {
err = http.ListenAndServeTLS(addr, config.Cert, config.Key, nil)
@ -459,7 +462,7 @@ func (s *Server) wslisten(addr string, tlsMap map[string]*TLSListenConfig) {
err = http.ListenAndServe(addr, nil)
}
if err != nil {
Log.error.Printf("%s listenAndServe (%s) error: %s", s.name, tlsString, err)
Log.error.Printf("%s listenAndServe (%s) error: %s", server.name, tlsString, err)
}
}()
}
@ -468,7 +471,7 @@ func (s *Server) wslisten(addr string, tlsMap map[string]*TLSListenConfig) {
// server functionality
//
func (s *Server) tryRegister(c *Client) {
func (server *Server) tryRegister(c *Client) {
if c.registered || !c.HasNick() || !c.HasUsername() ||
(c.capState == CapNegotiating) {
return
@ -478,13 +481,13 @@ func (s *Server) tryRegister(c *Client) {
// send welcome text
//NOTE(dan): we specifically use the NICK here instead of the nickmask
// see http://modern.ircdocs.horse/#rplwelcome-001 for details on why we avoid using the nickmask
c.Send(nil, s.name, RPL_WELCOME, c.nick, fmt.Sprintf("Welcome to the Internet Relay Network %s", c.nick))
c.Send(nil, s.name, RPL_YOURHOST, c.nick, fmt.Sprintf("Your host is %s, running version %s", s.name, Ver))
c.Send(nil, s.name, RPL_CREATED, c.nick, fmt.Sprintf("This server was created %s", s.ctime.Format(time.RFC1123)))
c.Send(nil, server.name, RPL_WELCOME, c.nick, fmt.Sprintf("Welcome to the Internet Relay Network %s", c.nick))
c.Send(nil, server.name, RPL_YOURHOST, c.nick, fmt.Sprintf("Your host is %s, running version %s", server.name, Ver))
c.Send(nil, server.name, RPL_CREATED, c.nick, fmt.Sprintf("This server was created %s", server.ctime.Format(time.RFC1123)))
//TODO(dan): Look at adding last optional [<channel modes with a parameter>] parameter
c.Send(nil, s.name, RPL_MYINFO, c.nick, s.name, Ver, supportedUserModesString, supportedChannelModesString)
c.Send(nil, server.name, RPL_MYINFO, c.nick, server.name, Ver, supportedUserModesString, supportedChannelModesString)
c.RplISupport()
s.MOTD(c)
server.MOTD(c)
c.Send(nil, c.nickMaskString, RPL_UMODEIS, c.nick, c.ModeString())
}
@ -501,12 +504,12 @@ func (server *Server) MOTD(client *Client) {
client.Send(nil, server.name, RPL_ENDOFMOTD, client.nick, "End of MOTD command")
}
func (s *Server) Id() string {
return s.name
func (server *Server) Id() string {
return server.name
}
func (s *Server) Nick() string {
return s.Id()
func (server *Server) Nick() string {
return server.Id()
}
//