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mirror of https://github.com/ergochat/ergo.git synced 2024-11-22 11:59:40 +01:00

abstract net operations as Socket

This commit is contained in:
Jeremy Latt 2014-02-13 19:37:16 -08:00
parent b8bbc7eeb5
commit 11537ad975
2 changed files with 125 additions and 50 deletions

View File

@ -1,11 +1,9 @@
package irc
import (
"bufio"
"fmt"
"log"
"net"
"strings"
"time"
)
@ -14,7 +12,6 @@ type Client struct {
away bool
awayMessage string
channels ChannelSet
conn net.Conn
ctime time.Time
destroyed bool
hostname string
@ -28,6 +25,7 @@ type Client struct {
registered bool
replies chan Reply
server *Server
socket *Socket
authorized bool
username string
}
@ -37,16 +35,16 @@ func NewClient(server *Server, conn net.Conn) *Client {
client := &Client{
atime: now,
channels: make(ChannelSet),
conn: conn,
ctime: now,
hostname: AddrLookupHostname(conn.RemoteAddr()),
replies: make(chan Reply),
server: server,
socket: NewSocket(conn),
}
client.loginTimer = time.AfterFunc(LOGIN_TIMEOUT, client.Destroy)
go client.readConn()
go client.writeConn()
go client.readCommands()
go client.writeReplies()
return client
}
@ -91,23 +89,8 @@ func (client *Client) ConnectionClosed() {
client.server.commands <- msg
}
func (c *Client) readConn() {
recv := bufio.NewReader(c.conn)
for {
line, err := recv.ReadString('\n')
if err != nil {
if DEBUG_NET {
log.Printf("%s → error: %s", c.conn.RemoteAddr(), err)
}
break
}
line = strings.TrimSpace(line)
if DEBUG_NET {
log.Printf("%s → %s", c.conn.RemoteAddr(), line)
}
func (c *Client) readCommands() {
for line := range c.socket.Read() {
m, err := ParseCommand(line)
if err != nil {
switch err {
@ -125,36 +108,14 @@ func (c *Client) readConn() {
c.ConnectionClosed()
}
func (client *Client) maybeLogWriteError(err error) bool {
if err != nil {
if DEBUG_NET {
log.Printf("%s ← error: %s", client.conn.RemoteAddr(), err)
}
return true
}
return false
}
func (client *Client) writeConn() {
send := bufio.NewWriter(client.conn)
func (client *Client) writeReplies() {
for reply := range client.replies {
if DEBUG_CLIENT {
log.Printf("%s ← %s", client, reply)
}
for _, str := range reply.Format(client) {
if DEBUG_NET {
log.Printf("%s ← %s", client.conn.RemoteAddr(), str)
}
if _, err := send.WriteString(str); client.maybeLogWriteError(err) {
break
}
if _, err := send.WriteString(CRLF); client.maybeLogWriteError(err) {
break
}
if err := send.Flush(); client.maybeLogWriteError(err) {
break
}
if err := client.socket.Write(reply.Format(client)); err != nil {
break
}
}
client.ConnectionClosed()
@ -171,7 +132,7 @@ func (client *Client) Destroy() {
client.destroyed = true
client.conn.Close()
client.socket.Close()
close(client.replies)
client.replies = nil

114
irc/socket.go Normal file
View File

@ -0,0 +1,114 @@
package irc
import (
"bufio"
"io"
"log"
"net"
"strings"
)
type Socket struct {
closed bool
conn net.Conn
reader *bufio.Reader
writer *bufio.Writer
send chan string
receive chan string
}
func NewSocket(conn net.Conn) *Socket {
socket := &Socket{
conn: conn,
reader: bufio.NewReader(conn),
receive: make(chan string),
send: make(chan string),
writer: bufio.NewWriter(conn),
}
go socket.readLines()
go socket.writeLines()
return socket
}
func (socket *Socket) String() string {
return socket.conn.RemoteAddr().String()
}
func (socket *Socket) Close() {
if socket.closed {
return
}
if DEBUG_NET {
log.Printf("%s closed", socket)
}
socket.closed = true
socket.conn.Close()
close(socket.send)
close(socket.receive)
}
func (socket *Socket) Read() <-chan string {
return socket.receive
}
func (socket *Socket) Write(lines []string) error {
for _, line := range lines {
if socket.closed {
return io.EOF
}
socket.send <- line
}
return nil
}
func (socket *Socket) readLines() {
for !socket.closed {
line, err := socket.reader.ReadString('\n')
if err != nil {
if DEBUG_NET {
log.Printf("%s → error: %s", socket, err)
}
break
}
line = strings.TrimSpace(line)
if DEBUG_NET {
log.Printf("%s → %s", socket, line)
}
socket.receive <- line
}
socket.Close()
}
func (socket *Socket) writeLines() {
for line := range socket.send {
if DEBUG_CLIENT {
log.Printf("%s ← %s", socket, line)
}
if _, err := socket.writer.WriteString(line); socket.maybeLogWriteError(err) {
break
}
if _, err := socket.writer.WriteString(CRLF); socket.maybeLogWriteError(err) {
break
}
if err := socket.writer.Flush(); socket.maybeLogWriteError(err) {
break
}
}
socket.Close()
}
func (socket *Socket) maybeLogWriteError(err error) bool {
if err != nil {
if DEBUG_NET {
log.Printf("%s ← error: %s", socket, err)
}
return true
}
return false
}