/
getters.go
420 lines (358 loc) · 10.1 KB
/
getters.go
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// Copyright (c) 2017 Shivaram Lingamneni <slingamn@cs.stanford.edu>
// released under the MIT license
package irc
import (
"net"
"sync/atomic"
"time"
"unsafe"
"github.com/oragono/oragono/irc/languages"
"github.com/oragono/oragono/irc/modes"
)
func (server *Server) Config() (config *Config) {
return (*Config)(atomic.LoadPointer(&server.config))
}
func (server *Server) SetConfig(config *Config) {
atomic.StorePointer(&server.config, unsafe.Pointer(config))
}
func (server *Server) ChannelRegistrationEnabled() bool {
return server.Config().Channels.Registration.Enabled
}
func (server *Server) AccountConfig() *AccountConfig {
return &server.Config().Accounts
}
func (server *Server) GetOperator(name string) (oper *Oper) {
name, err := CasefoldName(name)
if err != nil {
return
}
return server.Config().operators[name]
}
func (server *Server) Languages() (lm *languages.Manager) {
return server.Config().languageManager
}
func (client *Client) Sessions() (sessions []*Session) {
client.stateMutex.RLock()
sessions = client.sessions
client.stateMutex.RUnlock()
return
}
func (client *Client) GetSessionByResumeID(resumeID string) (result *Session) {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
for _, session := range client.sessions {
if session.resumeID == resumeID {
return session
}
}
return
}
type SessionData struct {
ctime time.Time
atime time.Time
ip net.IP
hostname string
}
func (client *Client) AllSessionData(currentSession *Session) (data []SessionData, currentIndex int) {
currentIndex = -1
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
data = make([]SessionData, len(client.sessions))
for i, session := range client.sessions {
if session == currentSession {
currentIndex = i
}
data[i] = SessionData{
atime: session.atime,
ctime: session.ctime,
hostname: session.rawHostname,
}
if session.proxiedIP != nil {
data[i].ip = session.proxiedIP
} else {
data[i].ip = session.realIP
}
}
return
}
func (client *Client) AddSession(session *Session) (success bool) {
client.stateMutex.Lock()
defer client.stateMutex.Unlock()
// client may be dying and ineligible to receive another session
if client.destroyed {
return false
}
// success, attach the new session to the client
session.client = client
newSessions := make([]*Session, len(client.sessions)+1)
copy(newSessions, client.sessions)
newSessions[len(newSessions)-1] = session
client.sessions = newSessions
return true
}
func (client *Client) removeSession(session *Session) (success bool, length int) {
if len(client.sessions) == 0 {
return
}
sessions := make([]*Session, 0, len(client.sessions)-1)
for _, currentSession := range client.sessions {
if session == currentSession {
success = true
} else {
sessions = append(sessions, currentSession)
}
}
client.sessions = sessions
length = len(sessions)
return
}
func (session *Session) SetResumeID(resumeID string) {
session.client.stateMutex.Lock()
session.resumeID = resumeID
session.client.stateMutex.Unlock()
}
func (client *Client) Nick() string {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.nick
}
func (client *Client) NickMaskString() string {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.nickMaskString
}
func (client *Client) NickCasefolded() string {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.nickCasefolded
}
func (client *Client) NickMaskCasefolded() string {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.nickMaskCasefolded
}
func (client *Client) Username() string {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.username
}
func (client *Client) Hostname() string {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.hostname
}
func (client *Client) Away() (result bool) {
client.stateMutex.Lock()
result = client.away
client.stateMutex.Unlock()
return
}
func (client *Client) SetAway(away bool, awayMessage string) (changed bool) {
client.stateMutex.Lock()
changed = away != client.away
client.away = away
client.awayMessage = awayMessage
client.stateMutex.Unlock()
return
}
func (client *Client) SetExitedSnomaskSent() {
client.stateMutex.Lock()
client.exitedSnomaskSent = true
client.stateMutex.Unlock()
}
// uniqueIdentifiers returns the strings for which the server enforces per-client
// uniqueness/ownership; no two clients can have colliding casefolded nicks or
// skeletons.
func (client *Client) uniqueIdentifiers() (nickCasefolded string, skeleton string) {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.nickCasefolded, client.skeleton
}
func (client *Client) ResumeID() string {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.resumeID
}
func (client *Client) SetResumeID(id string) {
client.stateMutex.Lock()
defer client.stateMutex.Unlock()
client.resumeID = id
}
func (client *Client) Oper() *Oper {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.oper
}
func (client *Client) Registered() bool {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.registered
}
func (client *Client) SetRegistered() {
// `registered` is only written from the client's own goroutine, but may be
// read from other goroutines; therefore, the client's own goroutine may read
// the value without synchronization, but must write it with synchronization,
// and other goroutines must read it with synchronization
client.stateMutex.Lock()
client.registered = true
client.stateMutex.Unlock()
}
func (client *Client) RawHostname() (result string) {
client.stateMutex.Lock()
result = client.rawHostname
client.stateMutex.Unlock()
return
}
func (client *Client) SetRawHostname(rawHostname string) {
client.stateMutex.Lock()
defer client.stateMutex.Unlock()
client.rawHostname = rawHostname
client.updateNickMaskNoMutex()
}
func (client *Client) AwayMessage() (result string) {
client.stateMutex.RLock()
result = client.awayMessage
client.stateMutex.RUnlock()
return
}
func (client *Client) SetAwayMessage(message string) {
client.stateMutex.Lock()
client.awayMessage = message
client.stateMutex.Unlock()
}
func (client *Client) Account() string {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.account
}
func (client *Client) AccountName() string {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.accountName
}
func (client *Client) SetAccountName(account string) (changed bool) {
var casefoldedAccount string
var err error
if account != "" {
if casefoldedAccount, err = CasefoldName(account); err != nil {
return
}
}
client.stateMutex.Lock()
defer client.stateMutex.Unlock()
changed = client.account != casefoldedAccount
client.account = casefoldedAccount
client.accountName = account
return
}
func (client *Client) AccountSettings() (result AccountSettings) {
client.stateMutex.RLock()
result = client.accountSettings
client.stateMutex.RUnlock()
return
}
func (client *Client) SetAccountSettings(settings AccountSettings) {
client.stateMutex.Lock()
client.accountSettings = settings
client.stateMutex.Unlock()
}
func (client *Client) Languages() (languages []string) {
client.stateMutex.RLock()
languages = client.languages
client.stateMutex.RUnlock()
return languages
}
func (client *Client) SetLanguages(languages []string) {
client.stateMutex.Lock()
client.languages = languages
client.stateMutex.Unlock()
}
func (client *Client) HasMode(mode modes.Mode) bool {
// client.flags has its own synch
return client.flags.HasMode(mode)
}
func (client *Client) SetMode(mode modes.Mode, on bool) bool {
return client.flags.SetMode(mode, on)
}
func (client *Client) Channels() (result []*Channel) {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
length := len(client.channels)
result = make([]*Channel, length)
i := 0
for channel := range client.channels {
result[i] = channel
i++
}
return
}
func (client *Client) NumChannels() int {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return len(client.channels)
}
func (client *Client) WhoWas() (result WhoWas) {
return client.Details().WhoWas
}
func (client *Client) Details() (result ClientDetails) {
client.stateMutex.RLock()
defer client.stateMutex.RUnlock()
return client.detailsNoMutex()
}
func (client *Client) detailsNoMutex() (result ClientDetails) {
result.nick = client.nick
result.nickCasefolded = client.nickCasefolded
result.username = client.username
result.hostname = client.hostname
result.realname = client.realname
result.nickMask = client.nickMaskString
result.nickMaskCasefolded = client.nickMaskCasefolded
result.account = client.account
result.accountName = client.accountName
return
}
func (channel *Channel) Name() string {
channel.stateMutex.RLock()
defer channel.stateMutex.RUnlock()
return channel.name
}
func (channel *Channel) NameCasefolded() string {
channel.stateMutex.RLock()
defer channel.stateMutex.RUnlock()
return channel.nameCasefolded
}
func (channel *Channel) Rename(name, nameCasefolded string) {
channel.stateMutex.Lock()
channel.name = name
channel.nameCasefolded = nameCasefolded
if channel.registeredFounder != "" {
channel.registeredTime = time.Now().UTC()
}
channel.stateMutex.Unlock()
}
func (channel *Channel) Members() (result []*Client) {
channel.stateMutex.RLock()
defer channel.stateMutex.RUnlock()
return channel.membersCache
}
func (channel *Channel) setUserLimit(limit int) {
channel.stateMutex.Lock()
channel.userLimit = limit
channel.stateMutex.Unlock()
}
func (channel *Channel) setKey(key string) {
channel.stateMutex.Lock()
defer channel.stateMutex.Unlock()
channel.key = key
}
func (channel *Channel) Founder() string {
channel.stateMutex.RLock()
defer channel.stateMutex.RUnlock()
return channel.registeredFounder
}
func (channel *Channel) HighestUserMode(client *Client) (result modes.Mode) {
channel.stateMutex.RLock()
clientModes := channel.members[client]
channel.stateMutex.RUnlock()
return clientModes.HighestChannelUserMode()
}