source: code/trunk/bridge.go@ 170

package soju

import (
        "gopkg.in/irc.v3"
)

func forwardChannel(dc *downstreamConn, ch *upstreamChannel) {
        if !ch.complete {
                panic("Tried to forward a partial channel")
        }

        sendTopic(dc, ch)

        // TODO: rpl_topicwhotime
        sendNames(dc, ch)
}

func sendTopic(dc *downstreamConn, ch *upstreamChannel) {
        downstreamName := dc.marshalChannel(ch.conn, ch.Name)

        if ch.Topic != "" {
                dc.SendMessage(&irc.Message{
                        Prefix:  dc.srv.prefix(),
                        Command: irc.RPL_TOPIC,
                        Params:  []string{dc.nick, downstreamName, ch.Topic},
                })
        } else {
                dc.SendMessage(&irc.Message{
                        Prefix:  dc.srv.prefix(),
                        Command: irc.RPL_NOTOPIC,
                        Params:  []string{dc.nick, downstreamName, "No topic is set"},
                })
        }
}

func sendNames(dc *downstreamConn, ch *upstreamChannel) {
        // TODO: send multiple members in each message

        downstreamName := dc.marshalChannel(ch.conn, ch.Name)

        for nick, membership := range ch.Members {
                s := membership.String() + dc.marshalNick(ch.conn, nick)

                dc.SendMessage(&irc.Message{
                        Prefix:  dc.srv.prefix(),
                        Command: irc.RPL_NAMREPLY,
                        Params:  []string{dc.nick, string(ch.Status), downstreamName, s},
                })
        }

        dc.SendMessage(&irc.Message{
                Prefix:  dc.srv.prefix(),
                Command: irc.RPL_ENDOFNAMES,
                Params:  []string{dc.nick, downstreamName, "End of /NAMES list"},
        })
}