wip
--HG-- branch : nmdc-ircfrontend
This commit is contained in:
parent
46114809bd
commit
15b08e0f27
31
client.go
31
client.go
@ -3,11 +3,11 @@ package main
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import (
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import (
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"fmt"
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"fmt"
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"net"
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"net"
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"strings"
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"time"
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"time"
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)
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)
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type Client struct {
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type Client struct {
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server *Server
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connection net.Conn
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connection net.Conn
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nick string
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nick string
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registered bool
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registered bool
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@ -15,6 +15,7 @@ type Client struct {
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operator bool
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operator bool
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}
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}
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/*
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func (c *Client) joinChannel(channelName string) {
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func (c *Client) joinChannel(channelName string) {
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newChannel := false
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newChannel := false
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@ -29,18 +30,6 @@ func (c *Client) joinChannel(channelName string) {
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return
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return
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}
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}
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// Send notifications to /other/ clients that /we/ joined this room
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for _, client := range channel.clientMap {
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client.reply(rplJoin, c.nick, BLESSED_CHANNEL)
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}
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// Transmit topic
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if channel.topic != "" {
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c.reply(rplTopic, BLESSED_CHANNEL, channel.topic)
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} else {
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c.reply(rplNoTopic, BLESSED_CHANNEL)
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}
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// Transmit the list of joined users to us
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// Transmit the list of joined users to us
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nicks := make([]string, 0, NICKS_PER_PROTOMSG)
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nicks := make([]string, 0, NICKS_PER_PROTOMSG)
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@ -65,11 +54,26 @@ func (c *Client) joinChannel(channelName string) {
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c.reply(rplEndOfNames, channelName)
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c.reply(rplEndOfNames, channelName)
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}
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}
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*/
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func (c *Client) disconnect() {
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func (c *Client) disconnect() {
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c.connected = false
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c.connected = false
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}
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}
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func (c *Client) sendGlobalMessage(motd string) {
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c.reply(rplMOTDStart)
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for len(motd) > 80 {
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c.reply(rplMOTD, motd[:80])
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motd = motd[80:]
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}
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if len(motd) > 0 {
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c.reply(rplMOTD, motd)
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}
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c.reply(rplEndOfMOTD)
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}
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//Send a reply to a user with the code specified
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//Send a reply to a user with the code specified
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func (c *Client) reply(code replyCode, args ...string) {
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func (c *Client) reply(code replyCode, args ...string) {
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if c.connected == false {
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if c.connected == false {
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@ -96,6 +100,7 @@ func (c *Client) reply(code replyCode, args ...string) {
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case rplKill:
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case rplKill:
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c.write(fmt.Sprintf(":%s KILL %s A %s", args[0], c.nick, args[1]))
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c.write(fmt.Sprintf(":%s KILL %s A %s", args[0], c.nick, args[1]))
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case rplMsg:
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case rplMsg:
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// FIXME escape newlines in message!!
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c.write(fmt.Sprintf(":%s PRIVMSG %s %s", args[0], args[1], args[2]))
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c.write(fmt.Sprintf(":%s PRIVMSG %s %s", args[0], args[1], args[2]))
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case rplList:
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case rplList:
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c.write(fmt.Sprintf(":%s 322 %s %s", c.server.name, c.nick, args[0]))
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c.write(fmt.Sprintf(":%s 322 %s %s", c.server.name, c.nick, args[0]))
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313
server.go
313
server.go
@ -7,26 +7,28 @@ import (
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"libnmdc"
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"libnmdc"
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"net"
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"net"
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"strings"
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"strings"
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"time"
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)
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)
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type Server struct {
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type Server struct {
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eventChan chan Event
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eventChan chan Event
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running bool
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running bool
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name string
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name string
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client *Client
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client *Client
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channel Channel // Single blessed channel
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channel Channel // Single blessed channel
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upstreamAddr libnmdc.HubAddress
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upstreamLauncher libnmdc.HubConnectionOptions
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upstream libnmdc.HubConnection
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upstream libnmdc.HubConnection
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motd string
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motd string
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}
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}
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func NewServer(name string, upstream libnmdc.HubAddress) *Server {
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func NewServer(name string, upstream libnmdc.HubAddress) *Server {
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return &Server{eventChan: make(chan Event),
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return &Server{eventChan: make(chan Event),
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name: name,
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name: name,
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client: nil,
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client: nil,
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motd: "Connected to " + name,
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motd: "Connected to " + name,
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upstreamAddr: upstream,
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upstreamLauncher: libnmdc.HubConnectionOptions{
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Address: upstream,
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Self: *libnmdc.NewUserInfo(""),
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},
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channel: Channel{
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channel: Channel{
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clientMap: make(map[string]*Client),
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clientMap: make(map[string]*Client),
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modeMap: make(map[string]*ClientMode),
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modeMap: make(map[string]*ClientMode),
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@ -39,105 +41,175 @@ func (s *Server) RunClient(conn net.Conn) {
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s.client = &Client{
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s.client = &Client{
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connection: conn,
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connection: conn,
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connected: true,
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connected: true,
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server: s, // FIXME circular reference!
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}
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}
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// Send the connection handshake
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// Send the connection handshake
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s.client.reply(rplMOTDStart)
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s.client.sendGlobalMessage(s.motd)
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motd := s.motd
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for len(motd) > 80 {
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// Can't connect to the upstream server yet, until we've recieved a nick.
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s.client.reply(rplMOTD, motd[:80])
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// So we can't have a conjoined select statement
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motd = motd[80:]
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// Need a separate goroutine for both IRC and NMDC protocols, and
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}
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// synchronisation to ensure simultaneous cleanup
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if len(motd) > 0 {
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s.client.reply(rplMOTD, motd)
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closeChan := make(chan struct{}, 2)
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}
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go s.ProtocolReadLoop_IRC(closeChan)
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s.client.reply(rplEndOfMOTD)
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// FIXME
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}
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func (s *Server) ProtocolReadLoop_IRC(closeChan chan struct{}) {
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defer func() {
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closeChan <- struct{}{}
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}()
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// Read loop
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// Read loop
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for {
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for {
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s.client.connection.SetReadDeadline(time.Now().Add(time.Second * CLIENT_READ_TIMEOUT_SEC))
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buf := make([]byte, CLIENT_READ_BUFFSIZE)
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buf := make([]byte, CLIENT_READ_BUFFSIZE)
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ln, err := s.client.connection.Read(buf)
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// s.client.connection.SetReadDeadline(time.Now().Add(time.Second * CLIENT_READ_TIMEOUT_SEC))
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if err != nil {
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if err == io.EOF {
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s.client.disconnect()
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return // FIXME cleanup
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}
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continue
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}
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rawLines := buf[:ln]
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select {
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rawLines = bytes.Replace(rawLines, []byte("\r\n"), []byte("\n"), -1)
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case <-closeChan:
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rawLines = bytes.Replace(rawLines, []byte("\r"), []byte("\n"), -1)
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return
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lines := bytes.Split(rawLines, []byte("\n"))
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for _, line := range lines {
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case ln, err := s.client.connection.Read(buf):
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if len(line) > 0 {
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if err != nil {
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s.handleCommandEvent(string(line))
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if err == io.EOF {
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s.client.disconnect()
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return // FIXME cleanup
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}
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continue
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}
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rawLines := buf[:ln]
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rawLines = bytes.Replace(rawLines, []byte("\r\n"), []byte("\n"), -1)
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rawLines = bytes.Replace(rawLines, []byte("\r"), []byte("\n"), -1)
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lines := bytes.Split(rawLines, []byte("\n"))
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for _, line := range lines {
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if len(line) > 0 {
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// Client sent a command
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fields := strings.Fields(string(line))
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if len(fields) < 1 {
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return
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}
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if strings.HasPrefix(fields[0], ":") {
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fields = fields[1:]
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}
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s.handleCommand(strings.ToUpper(fields[0]), fields[1:])
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}
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}
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}
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}
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}
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}
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}
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}
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}
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func (s *Server) handleCommandEvent(input string) {
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func (s *Server) ProtocolReadLoop_NMDC(closeChan chan struct{}) {
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defer func() {
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closeChan <- struct{}{}
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}()
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//Client send a command
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// Read loop
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fields := strings.Fields(input)
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for {
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if len(fields) < 1 {
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select {
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return
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case <-closeChan:
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return
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case hubEvent := <-s.upstream.OnEvent:
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switch hubEvent.EventType {
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case libnmdc.EVENT_USER_JOINED:
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s.client.reply(rplJoin, hubEvent.Nick, BLESSED_CHANNEL)
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case libnmdc.EVENT_USER_PART:
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s.client.reply(rplPart, hubEvent.Nick, BLESSED_CHANNEL, "Disconnected")
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case libnmdc.EVENT_USER_UPDATED_INFO:
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// description change - no relevance for IRC users
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case libnmdc.EVENT_CONNECTION_STATE_CHANGED:
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s.client.sendGlobalMessage("Upstream: " + hubEvent.StateChange.Format())
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case libnmdc.EVENT_HUBNAME_CHANGED:
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s.client.reply(rplTopic, BLESSED_CHANNEL, hubEvent.Nick)
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// c.reply(rplNoTopic, BLESSED_CHANNEL)
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case libnmdc.EVENT_PRIVATE:
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s.client.reply(rplMsg, s.client.nick, hubEvent.Nick, hubEvent.Message)
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case libnmdc.EVENT_PUBLIC:
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s.client.reply(rplMsg, s.client.nick, BLESSED_CHANNEL, hubEvent.Message)
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case libnmdc.EVENT_SYSTEM_MESSAGE_FROM_CONN, libnmdc.EVENT_SYSTEM_MESSAGE_FROM_HUB:
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s.client.sendGlobalMessage(hubEvent.Message)
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}
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}
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}
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}
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if strings.HasPrefix(fields[0], ":") {
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fields = fields[1:]
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}
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command := strings.ToUpper(fields[0])
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args := fields[1:]
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s.handleCommand(s.client, command, args)
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}
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}
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func (s *Server) handleCommand(client *Client, command string, args []string) {
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func (s *Server) handleCommand(command string, args []string) {
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switch command {
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switch command {
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case "PING":
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case "PING":
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client.reply(rplPong)
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s.client.reply(rplPong)
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case "INFO":
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case "INFO":
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client.reply(rplInfo, APP_DESCRIPTION)
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s.client.reply(rplInfo, APP_DESCRIPTION)
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case "VERSION":
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case "VERSION":
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client.reply(rplVersion, VERSION)
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s.client.reply(rplVersion, VERSION)
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case "PASS":
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// RFC2812 registration
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// Stash the password for later
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if len(args) < 1 {
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s.client.reply(errMoreArgs)
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return
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}
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s.upstreamLauncher.NickPassword = args[0]
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case "NICK":
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case "NICK":
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client.reply(rplKill, "Can't change nicks on this server", "")
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if len(args) < 1 {
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client.disconnect()
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s.client.reply(errMoreArgs)
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return
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case "USER":
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if client.registered == true {
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client.reply(rplKill, "You're already registered.", "")
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client.disconnect()
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}
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}
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if client.nick == "" {
|
if s.upstreamLauncher.Self.Nick == "" {
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client.reply(rplKill, "Your nickname is already being used", "")
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// allow set, as part of the login phase
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client.disconnect()
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s.upstreamLauncher.Self.Nick = args[0]
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} else {
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s.client.reply(rplKill, "Can't change nicks on this server", "")
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s.client.disconnect()
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}
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|
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case "USER":
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if s.client.registered == true {
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s.client.reply(rplKill, "You're already registered.", "")
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s.client.disconnect()
|
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}
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|
|
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|
if s.client.nick == "" {
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s.client.reply(rplKill, "Your nickname is already being used", "")
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|
s.client.disconnect()
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|
|
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} else {
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} else {
|
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client.reply(rplWelcome)
|
s.client.reply(rplWelcome)
|
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client.registered = true
|
s.client.registered = true
|
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|
|
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// Spawn
|
// Spawn upstream connection
|
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}
|
}
|
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|
|
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case "JOIN":
|
case "JOIN":
|
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if client.registered == false {
|
if s.client.registered == false {
|
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client.reply(errNotReg)
|
s.client.reply(errNotReg)
|
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return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
if len(args) < 1 {
|
if len(args) < 1 {
|
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client.reply(errMoreArgs)
|
s.client.reply(errMoreArgs)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -147,27 +219,27 @@ func (s *Server) handleCommand(client *Client, command string, args []string) {
|
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case "0":
|
case "0":
|
||||||
// Intend to quit all channels, but we don't allow that
|
// Intend to quit all channels, but we don't allow that
|
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default:
|
default:
|
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client.reply(rplKill, "There is only '"+BLESSED_CHANNEL+"'.", "")
|
s.client.reply(rplKill, "There is only '"+BLESSED_CHANNEL+"'.", "")
|
||||||
client.disconnect()
|
s.client.disconnect()
|
||||||
}
|
}
|
||||||
|
|
||||||
case "PART":
|
case "PART":
|
||||||
if client.registered == false {
|
if s.client.registered == false {
|
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client.reply(errNotReg)
|
s.client.reply(errNotReg)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
// you can check out any time you like, but you can never leave
|
// you can check out any time you like, but you can never leave
|
||||||
// we'll need to transmit client.reply(rplPart, c.nick, channel.name, reason) messages on behalf of other nmdc users, though
|
// we'll need to transmit s.client.reply(rplPart, c.nick, channel.name, reason) messages on behalf of other nmdc users, though
|
||||||
|
|
||||||
case "PRIVMSG":
|
case "PRIVMSG":
|
||||||
if client.registered == false {
|
if s.client.registered == false {
|
||||||
client.reply(errNotReg)
|
s.client.reply(errNotReg)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
if len(args) < 2 {
|
if len(args) < 2 {
|
||||||
client.reply(errMoreArgs)
|
s.client.reply(errMoreArgs)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -178,75 +250,78 @@ func (s *Server) handleCommand(client *Client, command string, args []string) {
|
|||||||
recipient := strings.ToLower(args[0])
|
recipient := strings.ToLower(args[0])
|
||||||
|
|
||||||
if recipient == BLESSED_CHANNEL {
|
if recipient == BLESSED_CHANNEL {
|
||||||
for _, c := range s.channel.clientMap {
|
s.upstream.SayPublic(message)
|
||||||
if c != client {
|
/*
|
||||||
c.reply(rplMsg, client.nick, args[0], message)
|
for _, c := range s.channel.clientMap {
|
||||||
|
if c != client {
|
||||||
|
c.reply(rplMsg, s.client.nick, args[0], message)
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
*/
|
||||||
|
|
||||||
} else if nmdcUser, clientExists := s.upstream.Users[args[0]]; clientExists {
|
} else if nmdcUser, clientExists := s.upstream.Users[args[0]]; clientExists {
|
||||||
|
|
||||||
s.upstream.SayPrivate(recipient, message)
|
s.upstream.SayPrivate(recipient, message)
|
||||||
// client2.reply(rplMsg, client.nick, client2.nick, message)
|
// client2.reply(rplMsg, s.client.nick, client2.nick, message)
|
||||||
|
|
||||||
} else {
|
} else {
|
||||||
client.reply(errNoSuchNick, args[0])
|
s.client.reply(errNoSuchNick, args[0])
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
case "QUIT":
|
case "QUIT":
|
||||||
if client.registered == false {
|
if s.client.registered == false {
|
||||||
client.reply(errNotReg)
|
s.client.reply(errNotReg)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
client.disconnect()
|
s.client.disconnect()
|
||||||
|
|
||||||
case "TOPIC":
|
case "TOPIC":
|
||||||
if client.registered == false {
|
if s.client.registered == false {
|
||||||
client.reply(errNotReg)
|
s.client.reply(errNotReg)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
if len(args) < 1 {
|
if len(args) < 1 {
|
||||||
client.reply(errMoreArgs)
|
s.client.reply(errMoreArgs)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
exists := strings.ToLower(args[0]) == BLESSED_CHANNEL
|
exists := strings.ToLower(args[0]) == BLESSED_CHANNEL
|
||||||
if exists == false {
|
if exists == false {
|
||||||
client.reply(errNoSuchNick, args[0])
|
s.client.reply(errNoSuchNick, args[0])
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
// Valid topic get
|
// Valid topic get
|
||||||
if len(args) == 1 {
|
if len(args) == 1 {
|
||||||
client.reply(rplTopic, BLESSED_CHANNEL, s.upstream.HubName)
|
s.client.reply(rplTopic, BLESSED_CHANNEL, s.upstream.HubName)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
// Disallow topic set
|
// Disallow topic set
|
||||||
client.reply(errNoPriv)
|
s.client.reply(errNoPriv)
|
||||||
return
|
return
|
||||||
|
|
||||||
case "LIST":
|
case "LIST":
|
||||||
if client.registered == false {
|
if s.client.registered == false {
|
||||||
client.reply(errNotReg)
|
s.client.reply(errNotReg)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
listItem := fmt.Sprintf("%s %d :%s", BLESSED_CHANNEL, len(s.channel.clientMap), s.upstream.HubName)
|
listItem := fmt.Sprintf("%s %d :%s", BLESSED_CHANNEL, len(s.channel.clientMap), s.upstream.HubName)
|
||||||
client.reply(rplList, listItem)
|
s.client.reply(rplList, listItem)
|
||||||
client.reply(rplListEnd)
|
s.client.reply(rplListEnd)
|
||||||
|
|
||||||
case "OPER":
|
case "OPER":
|
||||||
if client.registered == false {
|
if s.client.registered == false {
|
||||||
client.reply(errNotReg)
|
s.client.reply(errNotReg)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
if len(args) < 2 {
|
if len(args) < 2 {
|
||||||
client.reply(errMoreArgs)
|
s.client.reply(errMoreArgs)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -254,59 +329,59 @@ func (s *Server) handleCommand(client *Client, command string, args []string) {
|
|||||||
//password := args[1]
|
//password := args[1]
|
||||||
|
|
||||||
if false { // op the user
|
if false { // op the user
|
||||||
client.operator = true
|
s.client.operator = true
|
||||||
client.reply(rplOper)
|
s.client.reply(rplOper)
|
||||||
return
|
return
|
||||||
} else {
|
} else {
|
||||||
client.reply(errPassword)
|
s.client.reply(errPassword)
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
case "KILL":
|
case "KILL":
|
||||||
if client.registered == false {
|
if s.client.registered == false {
|
||||||
client.reply(errNotReg)
|
s.client.reply(errNotReg)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
client.reply(errNoPriv)
|
s.client.reply(errNoPriv)
|
||||||
return
|
return
|
||||||
|
|
||||||
case "KICK":
|
case "KICK":
|
||||||
if client.registered == false {
|
if s.client.registered == false {
|
||||||
client.reply(errNotReg)
|
s.client.reply(errNotReg)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
client.reply(errNoPriv)
|
s.client.reply(errNoPriv)
|
||||||
return
|
return
|
||||||
|
|
||||||
case "MODE":
|
case "MODE":
|
||||||
if client.registered == false {
|
if s.client.registered == false {
|
||||||
client.reply(errNotReg)
|
s.client.reply(errNotReg)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
if len(args) < 1 {
|
if len(args) < 1 {
|
||||||
client.reply(errMoreArgs)
|
s.client.reply(errMoreArgs)
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
if strings.ToLower(args[0]) != BLESSED_CHANNEL {
|
if strings.ToLower(args[0]) != BLESSED_CHANNEL {
|
||||||
client.reply(errNoSuchNick, args[0])
|
s.client.reply(errNoSuchNick, args[0])
|
||||||
return
|
return
|
||||||
}
|
}
|
||||||
|
|
||||||
if len(args) == 1 {
|
if len(args) == 1 {
|
||||||
//No more args, they just want the mode
|
//No more args, they just want the mode
|
||||||
client.reply(rplChannelModeIs, args[0], BLESSED_CHANNEL_MODE, "")
|
s.client.reply(rplChannelModeIs, args[0], BLESSED_CHANNEL_MODE, "")
|
||||||
} else {
|
} else {
|
||||||
// Setting modes is disallowed
|
// Setting modes is disallowed
|
||||||
client.reply(errNoPriv)
|
s.client.reply(errNoPriv)
|
||||||
}
|
}
|
||||||
|
|
||||||
return
|
return
|
||||||
|
|
||||||
default:
|
default:
|
||||||
client.reply(errUnknownCommand, command)
|
s.client.reply(errUnknownCommand, command)
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
Loading…
Reference in New Issue
Block a user