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fw-daemon
mirror of https://github.com/subgraph/fw-daemon
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Move all test code to one file for now

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pull/19/head
David Stainton 9 years ago
parent 7c702b5768
commit c2636d8f97
2 changed files with 132 additions and 139 deletions
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139
mortal_service.go
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@ -1,139 +0,0 @@
package main
import (
"fmt"
"net"
"sync"
"time"
)
// MortalService can be killed at any time.
type MortalService struct {
network string
address string
connectionCallback func(net.Conn) error
conns []net.Conn
quit chan bool
listener net.Listener
waitGroup *sync.WaitGroup
}
// NewMortalService creates a new MortalService
func NewMortalService(network, address string, connectionCallback func(net.Conn) error) *MortalService {
l := MortalService{
network: network,
address: address,
connectionCallback: connectionCallback,
conns: make([]net.Conn, 0, 10),
quit: make(chan bool),
waitGroup: &sync.WaitGroup{},
}
return &l
}
// Stop will kill our listener and all it's connections
func (l *MortalService) Stop() {
log.Info("stopping listener service %s:%s", l.network, l.address)
close(l.quit)
if l.listener != nil {
l.listener.Close()
}
l.waitGroup.Wait()
}
func (l *MortalService) acceptLoop() {
defer l.waitGroup.Done()
defer func() {
log.Info("stoping listener service %s:%s", l.network, l.address)
for i, conn := range l.conns {
if conn != nil {
log.Info("Closing connection #%d", i)
conn.Close()
}
}
}()
defer l.listener.Close()
for {
conn, err := l.listener.Accept()
if nil != err {
if opErr, ok := err.(*net.OpError); ok && opErr.Timeout() {
continue
} else {
log.Info("MortalService connection accept failure: %s\n", err)
select {
case <-l.quit:
return
default:
}
continue
}
}
l.conns = append(l.conns, conn)
go l.handleConnection(conn, len(l.conns)-1)
}
}
func (l *MortalService) createDeadlinedListener() error {
if l.network == "tcp" {
tcpAddr, err := net.ResolveTCPAddr("tcp", l.address)
if err != nil {
return fmt.Errorf("MortalService.createDeadlinedListener %s %s failure: %s", l.network, l.address, err)
}
tcpListener, err := net.ListenTCP("tcp", tcpAddr)
if err != nil {
return fmt.Errorf("MortalService.createDeadlinedListener %s %s failure: %s", l.network, l.address, err)
}
tcpListener.SetDeadline(time.Now().Add(1e9))
l.listener = tcpListener
return nil
} else if l.network == "unix" {
unixAddr, err := net.ResolveUnixAddr("unix", l.address)
if err != nil {
return fmt.Errorf("MortalService.createDeadlinedListener %s %s failure: %s", l.network, l.address, err)
}
unixListener, err := net.ListenUnix("unix", unixAddr)
if err != nil {
return fmt.Errorf("MortalService.createDeadlinedListener %s %s failure: %s", l.network, l.address, err)
}
unixListener.SetDeadline(time.Now().Add(1e9))
l.listener = unixListener
return nil
} else {
panic("")
}
return nil
}
// Start the MortalService
func (l *MortalService) Start() error {
var err error
err = l.createDeadlinedListener()
if err != nil {
return err
}
l.waitGroup.Add(1)
go l.acceptLoop()
return nil
}
func (l *MortalService) handleConnection(conn net.Conn, id int) error {
defer func() {
log.Info("Closing connection #%d", id)
conn.Close()
l.conns[id] = nil
}()
log.Info("Starting connection #%d", id)
for {
if err := l.connectionCallback(conn); err != nil {
log.Error(err.Error())
return err
}
return nil
}
}

132
socks_server_chain_test.go
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@ -9,11 +9,143 @@ import (
"strings" "strings"
"sync" "sync"
"testing" "testing"
"time"
"github.com/subgraph/fw-daemon/socks5" "github.com/subgraph/fw-daemon/socks5"
"golang.org/x/net/proxy" "golang.org/x/net/proxy"
) )
// MortalService can be killed at any time.
type MortalService struct {
network string
address string
connectionCallback func(net.Conn) error
conns []net.Conn
quit chan bool
listener net.Listener
waitGroup *sync.WaitGroup
}
// NewMortalService creates a new MortalService
func NewMortalService(network, address string, connectionCallback func(net.Conn) error) *MortalService {
l := MortalService{
network: network,
address: address,
connectionCallback: connectionCallback,
conns: make([]net.Conn, 0, 10),
quit: make(chan bool),
waitGroup: &sync.WaitGroup{},
}
return &l
}
// Stop will kill our listener and all it's connections
func (l *MortalService) Stop() {
log.Info("stopping listener service %s:%s", l.network, l.address)
close(l.quit)
if l.listener != nil {
l.listener.Close()
}
l.waitGroup.Wait()
}
func (l *MortalService) acceptLoop() {
defer l.waitGroup.Done()
defer func() {
log.Info("stoping listener service %s:%s", l.network, l.address)
for i, conn := range l.conns {
if conn != nil {
log.Info("Closing connection #%d", i)
conn.Close()
}
}
}()
defer l.listener.Close()
for {
conn, err := l.listener.Accept()
if nil != err {
if opErr, ok := err.(*net.OpError); ok && opErr.Timeout() {
continue
} else {
log.Info("MortalService connection accept failure: %s\n", err)
select {
case <-l.quit:
return
default:
}
continue
}
}
l.conns = append(l.conns, conn)
go l.handleConnection(conn, len(l.conns)-1)
}
}
func (l *MortalService) createDeadlinedListener() error {
if l.network == "tcp" {
tcpAddr, err := net.ResolveTCPAddr("tcp", l.address)
if err != nil {
return fmt.Errorf("MortalService.createDeadlinedListener %s %s failure: %s", l.network, l.address, err)
}
tcpListener, err := net.ListenTCP("tcp", tcpAddr)
if err != nil {
return fmt.Errorf("MortalService.createDeadlinedListener %s %s failure: %s", l.network, l.address, err)
}
tcpListener.SetDeadline(time.Now().Add(1e9))
l.listener = tcpListener
return nil
} else if l.network == "unix" {
unixAddr, err := net.ResolveUnixAddr("unix", l.address)
if err != nil {
return fmt.Errorf("MortalService.createDeadlinedListener %s %s failure: %s", l.network, l.address, err)
}
unixListener, err := net.ListenUnix("unix", unixAddr)
if err != nil {
return fmt.Errorf("MortalService.createDeadlinedListener %s %s failure: %s", l.network, l.address, err)
}
unixListener.SetDeadline(time.Now().Add(1e9))
l.listener = unixListener
return nil
} else {
panic("")
}
return nil
}
// Start the MortalService
func (l *MortalService) Start() error {
var err error
err = l.createDeadlinedListener()
if err != nil {
return err
}
l.waitGroup.Add(1)
go l.acceptLoop()
return nil
}
func (l *MortalService) handleConnection(conn net.Conn, id int) error {
defer func() {
log.Info("Closing connection #%d", id)
conn.Close()
l.conns[id] = nil
}()
log.Info("Starting connection #%d", id)
for {
if err := l.connectionCallback(conn); err != nil {
log.Error(err.Error())
return err
}
return nil
}
}
type AccumulatingService struct { type AccumulatingService struct {
net, address string net, address string
banner string banner string

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