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Very initial RPL_ISUPPORT numeric support
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parent
aec0b30fc6
commit
c88cd328f8
@ -44,7 +44,8 @@ const (
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RPL_YOURHOST NumericCode = 2
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RPL_CREATED NumericCode = 3
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RPL_MYINFO NumericCode = 4
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RPL_BOUNCE NumericCode = 5
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RPL_ISUPPORT NumericCode = 5
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RPL_BOUNCE NumericCode = 10
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RPL_TRACELINK NumericCode = 200
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RPL_TRACECONNECTING NumericCode = 201
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RPL_TRACEHANDSHAKE NumericCode = 202
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66
irc/isupport.go
Normal file
66
irc/isupport.go
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@ -0,0 +1,66 @@
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package irc
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import (
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"fmt"
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"strings"
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)
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// ISupportList holds a list of ISUPPORT tokens
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type ISupportList struct {
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Tokens map[string]*string
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CachedReply []string
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}
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// NewISupportList returns a new ISupportList
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func NewISupportList() *ISupportList {
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var il ISupportList
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il.Tokens = make(map[string]*string)
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il.CachedReply = make([]string, 0)
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return &il
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}
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// Add adds an RPL_ISUPPORT token to our internal list
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func (il *ISupportList) Add(name string, value string) {
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il.Tokens[name] = &value
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}
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// AddNoValue adds an RPL_ISUPPORT token that does not have a value
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func (il *ISupportList) AddNoValue(name string) {
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il.Tokens[name] = nil
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}
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// RegenerateCachedReply regenerates the cached RPL_ISUPPORT reply
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func (il *ISupportList) RegenerateCachedReply() {
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il.CachedReply = make([]string, 0)
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maxlen := 400 // Max length of a single ISUPPORT token line
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var length int // Length of the current cache
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var cache []string // Token list cache
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for name, value := range il.Tokens {
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var token string
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if value == nil {
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token = name
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} else {
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token = fmt.Sprintf("%s=%s", name, *value)
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}
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if len(token)+length <= maxlen {
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// account for the space separating tokens
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if len(cache) > 0 {
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length++
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}
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cache = append(cache, token)
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length += len(token)
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}
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if len(cache) == 13 || len(token)+length >= maxlen {
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il.CachedReply = append(il.CachedReply, strings.Join(cache, " "))
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cache = make([]string, 0)
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length = 0
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}
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}
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if len(cache) > 0 {
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il.CachedReply = append(il.CachedReply, strings.Join(cache, " "))
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}
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}
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@ -205,6 +205,14 @@ func (target *Client) RplMyInfo() {
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target.server.name, SEM_VER, SupportedUserModes, SupportedChannelModes)
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}
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func (target *Client) RplISupport() {
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for _, tokenline := range target.server.isupport.CachedReply {
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target.NumericReply(RPL_ISUPPORT,
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"%s :are supported by this server",
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tokenline)
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}
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}
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func (target *Client) RplUModeIs(client *Client) {
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target.NumericReply(RPL_UMODEIS, client.ModeString())
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}
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@ -39,6 +39,7 @@ type Server struct {
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signals chan os.Signal
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whoWas *WhoWasList
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theaters map[Name][]byte
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isupport *ISupportList
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}
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var (
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@ -79,6 +80,25 @@ func NewServer(config *Config) *Server {
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signal.Notify(server.signals, SERVER_SIGNALS...)
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// add RPL_ISUPPORT tokens
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server.isupport = NewISupportList()
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server.isupport.Add("CASEMAPPING", "ascii")
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server.isupport.Add("CHANMODES", "") //TODO(dan): Channel mode list here
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server.isupport.Add("CHANNELLEN", "") //TODO(dan): Support channel length
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server.isupport.Add("CHANTYPES", "#")
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server.isupport.Add("EXCEPTS", "")
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server.isupport.Add("INVEX", "")
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server.isupport.Add("KICKLEN", "") //TODO(dan): Support kick length?
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server.isupport.Add("MAXLIST", "") //TODO(dan): Support max list length?
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server.isupport.Add("MODES", "") //TODO(dan): Support max modes?
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server.isupport.Add("NETWORK", "NetNameHere") //TODO(dan): Support network name
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server.isupport.Add("NICKLEN", "") //TODO(dan): Support nick length
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server.isupport.Add("PREFIX", "(ov)@+")
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server.isupport.Add("STATUSMSG", "@+") //TODO(dan): Autogenerate based on PREFIXes, make sure it's actually supported
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server.isupport.Add("TARGMAX", "") //TODO(dan): Support this
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server.isupport.Add("TOPICLEN", "") //TODO(dan): Support topic length
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server.isupport.RegenerateCachedReply()
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return server
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}
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@ -258,6 +278,7 @@ func (s *Server) tryRegister(c *Client) {
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c.RplYourHost()
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c.RplCreated()
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c.RplMyInfo()
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c.RplISupport()
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s.MOTD(c)
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}
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