oragono/src/irc/client.go

package irc

import (
	"fmt"
	"net"
)

type Client struct {
	conn       net.Conn
	hostname   string
	send       chan<- Reply
	recv       <-chan string
	username   string
	realname   string
	nick       string
	registered bool
	invisible  bool
	channels   ChannelSet
}

type ClientSet map[*Client]bool

func NewClient(conn net.Conn) *Client {
	client := &Client{conn: conn, recv: StringReadChan(conn), channels: make(ChannelSet), hostname: LookupHostname(conn.RemoteAddr())}
	client.SetReplyToStringChan()
	return client
}

func (c *Client) SetReplyToStringChan() {
	send := make(chan Reply)
	write := StringWriteChan(c.conn)
	go func() {
		for reply := range send {
			write <- reply.String(c)
		}
	}()
	c.send = send
}

// Adapt `chan string` to a `chan Message`.
func (c *Client) Communicate(server *Server) {
	for str := range c.recv {
		m := ParseMessage(str)
		if m != nil {
			server.recv <- &ClientMessage{c, m}
		}
	}
}

func (c *Client) Nick() string {
	if c.nick != "" {
		return c.nick
	}
	return "*"
}

func (c *Client) UModeString() string {
	if c.invisible {
		return "+i"
	}
	return ""
}

func (c *Client) HasNick() bool {
	return c.nick != ""
}

func (c *Client) HasUser() bool {
	return c.username != ""
}

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()
}