public static Socket ConnectTCPSocket(IPAddressList addr, int port)
{
#if UNITTEST
return(ConnectTCPSocket(addr, port, 3000));
#else
return(ConnectTCPSocket(addr, port, PEnv.Options.SocketConnectTimeout));
#endif
}
private void Run()
{
_tcpConnected = false;
_succeeded = false;
_socket = null;
try
{
_addressSet = null;
_errorMessage = null;
MakeConnection();
Debug.Assert(_socket != null);
_errorMessage = null;
Negotiate();
_succeeded = true;
ProtocolUtil.FireConnectionSucceeded(_tcpDestination);
}
catch (Exception ex)
{
if (!_interrupted)
{
RuntimeUtil.DebuggerReportException(ex);
if (!_overridingErrorMessage)
{
_errorMessage = ex.Message;
}
ProtocolUtil.FireConnectionFailure(_tcpDestination, _errorMessage);
}
}
finally
{
if (!_interrupted)
{
if (!_succeeded && _socket != null && _socket.Connected)
{
try
{
_socket.Shutdown(SocketShutdown.Both); //Close()だと非同期受信してる場所で即Exceptionになってしまう
}
catch (Exception ex)
{ //ここでちゃんと閉じることが出来ない場合があった
RuntimeUtil.SilentReportException(ex);
}
}
//ここで待機していたスレッドが動き出すので、その前にSocketのDisconnectはやっつけておく。同時につついたせいかソケットの動作が妙になったケースあり。
NotifyAsyncClient();
}
}
}
protected virtual void MakeConnection()
{
//まずSOCKSを使うべきかどうかを判定する
IProtocolOptions opt = ProtocolsPlugin.Instance.ProtocolOptions;
if (opt.UseSocks && SocksApplicapable(opt.SocksNANetworks, IPAddressList.SilentGetAddress(_host)))
{
_socks = new Socks();
_socks.Account = opt.SocksAccount;
_socks.Password = opt.SocksPassword;
_socks.DestName = _host;
_socks.DestPort = (short)_port;
_socks.ServerName = opt.SocksServer;
_socks.ServerPort = (short)opt.SocksPort;
}
string dest = _socks == null ? _host : _socks.ServerName;
int port = _socks == null ? _port : _socks.ServerPort;
IPAddress address = null;
if (IPAddress.TryParse(dest, out address))
{
_addressSet = new IPAddressList(address); //最初からIPアドレス形式のときは手で変換。そうでないとDNSの逆引きをしてタイムアウト、とかややこしいことが起こる
}
else //ホスト名形式
{
StartOverridingErrorMessage(String.Format(PEnv.Strings.GetString("Message.AddressNotResolved"), dest));
_addressSet = new IPAddressList(dest);
EndOverridingErrorMessage();
}
StartOverridingErrorMessage(String.Format(PEnv.Strings.GetString("Message.FailedToConnectPort"), dest, port));
_socket = NetUtil.ConnectTCPSocket(_addressSet, port);
EndOverridingErrorMessage();
_connectedAddress = ((IPEndPoint)_socket.RemoteEndPoint).Address;
if (_socks != null)
{
_errorMessage = "An error occurred in SOCKS negotiation.";
_socks.Connect(_socket);
//接続成功したら_host,_portを元に戻す
_host = _socks.DestName;
_port = _socks.DestPort;
}
_tcpConnected = true;
}
public static Socket ConnectTCPSocket(IPAddressList addrlist, int port, int timeout)
{
foreach (IPAddress addr in addrlist.AvailableAddresses)
{
try {
Socket s = ConnectTCPSocket(addr, port, timeout);
if (s != null)
{
return(s); //一つでも成功すればそれを使う
}
}
catch (Exception ex) {
ProtocolsPlugin.Instance.NetLog(ex.Message);
}
}
throw new Exception(String.Format(PEnv.Strings.GetString("Message.FailedToConnectAddress"), addrlist.AvailableAddresses[0].ToString()));
}
private static bool SocksApplicapable(string nss, IPAddressList address)
{
foreach (string netaddress in nss.Split(';'))
{
if (netaddress.Length == 0)
{
continue;
}
if (!NetAddressUtil.IsNetworkAddress(netaddress))
{
throw new FormatException(String.Format("{0} is not suitable as a network address.", netaddress));
}
if (address.AvailableAddresses.Length > 0 && NetAddressUtil.NetAddressIncludesIPAddress(netaddress, address.AvailableAddresses[0])) //１個だけで判断、ややさぼり
{
return(false);
}
}
return(true);
}
private void Run() {
_tcpConnected = false;
_succeeded = false;
_socket = null;
try {
_addressSet = null;
_errorMessage = null;
MakeConnection();
Debug.Assert(_socket != null);
_errorMessage = null;
Negotiate();
_succeeded = true;
ProtocolUtil.FireConnectionSucceeded(_tcpDestination);
}
catch (Exception ex) {
if (!_interrupted) {
RuntimeUtil.DebuggerReportException(ex);
if (!_overridingErrorMessage) {
_errorMessage = ex.Message;
}
ProtocolUtil.FireConnectionFailure(_tcpDestination, _errorMessage);
}
}
finally {
if (!_interrupted) {
if (!_succeeded && _socket != null && _socket.Connected) {
try {
_socket.Shutdown(SocketShutdown.Both); //Close()だと非同期受信してる場所で即Exceptionになってしまう
}
catch (Exception ex) { //ここでちゃんと閉じることが出来ない場合があった
RuntimeUtil.SilentReportException(ex);
}
}
//ここで待機していたスレッドが動き出すので、その前にSocketのDisconnectはやっつけておく。同時につついたせいかソケットの動作が妙になったケースあり。
NotifyAsyncClient();
}
}
}
public static Socket ConnectTCPSocket(IPAddressList addrlist, int port, int timeout)
{
foreach (IPAddress addr in addrlist.AvailableAddresses) {
try {
Socket s = ConnectTCPSocket(addr, port, timeout);
if (s != null)
return s; //一つでも成功すればそれを使う
}
catch (Exception ex) {
ProtocolsPlugin.Instance.NetLog(ex.Message);
}
}
throw new Exception(String.Format(PEnv.Strings.GetString("Message.FailedToConnectAddress"), addrlist.AvailableAddresses[0].ToString()));
}
public static Socket ConnectTCPSocket(IPAddressList addr, int port)
{
#if UNITTEST
return ConnectTCPSocket(addr, port, 3000);
#else
return ConnectTCPSocket(addr, port, PEnv.Options.SocketConnectTimeout);
#endif
}
private static bool SocksApplicapable(string nss, IPAddressList address)
{
foreach (string netaddress in nss.Split(';')) {
if (netaddress.Length == 0)
continue;
if (!NetAddressUtil.IsNetworkAddress(netaddress)) {
throw new FormatException(String.Format("{0} is not suitable as a network address.", netaddress));
}
if (address.AvailableAddresses.Length > 0 && NetAddressUtil.NetAddressIncludesIPAddress(netaddress, address.AvailableAddresses[0])) //１個だけで判断、ややさぼり
return false;
}
return true;
}
protected virtual void MakeConnection()
{
//まずSOCKSを使うべきかどうかを判定する
IProtocolOptions opt = ProtocolsPlugin.Instance.ProtocolOptions;
if (opt.UseSocks && SocksApplicapable(opt.SocksNANetworks, IPAddressList.SilentGetAddress(_host))) {
_socks = new Socks();
_socks.Account = opt.SocksAccount;
_socks.Password = opt.SocksPassword;
_socks.DestName = _host;
_socks.DestPort = (short)_port;
_socks.ServerName = opt.SocksServer;
_socks.ServerPort = (short)opt.SocksPort;
}
string dest = _socks == null ? _host : _socks.ServerName;
int port = _socks == null ? _port : _socks.ServerPort;
IPAddress address = null;
if (IPAddress.TryParse(dest, out address)) {
_addressSet = new IPAddressList(address); //最初からIPアドレス形式のときは手で変換。そうでないとDNSの逆引きをしてタイムアウト、とかややこしいことが起こる
}
else { //ホスト名形式
StartOverridingErrorMessage(String.Format(PEnv.Strings.GetString("Message.AddressNotResolved"), dest));
_addressSet = new IPAddressList(dest);
EndOverridingErrorMessage();
}
StartOverridingErrorMessage(String.Format(PEnv.Strings.GetString("Message.FailedToConnectPort"), dest, port));
_socket = NetUtil.ConnectTCPSocket(_addressSet, port);
EndOverridingErrorMessage();
_connectedAddress = ((IPEndPoint)_socket.RemoteEndPoint).Address;
if (_socks != null) {
_errorMessage = "An error occurred in SOCKS negotiation.";
_socks.Connect(_socket);
//接続成功したら_host,_portを元に戻す
_host = _socks.DestName;
_port = _socks.DestPort;
}
_tcpConnected = true;
}
private void Run()
{
_tcpConnected = false;
_succeeded = false;
_socket = null;
try {
_addressSet = null;
_errorMessage = null;
MakeConnection();
Debug.Assert(_socket != null);
_errorMessage = null;
Negotiate();
_succeeded = true;
ProtocolUtil.FireConnectionSucceeded(_tcpDestination);
}
catch (Exception ex) {
if (!_interrupted) {
RuntimeUtil.DebuggerReportException(ex);
if (!_overridingErrorMessage) {
_errorMessage = ex.Message;
}
ProtocolUtil.FireConnectionFailure(_tcpDestination, _errorMessage);
}
}
finally {
if (!_interrupted) {
if (!_succeeded && _socket != null && _socket.Connected) {
try {
_socket.Shutdown(SocketShutdown.Both); //Close()���Ɣ���M���Ă�ꏊ�ő�Exception�ɂȂ��Ă��܂�
}
catch (Exception ex) { //�����ł����ƕ��邱�Ƃ��o���Ȃ��ꍇ��������
RuntimeUtil.SilentReportException(ex);
}
}
//�����őҋ@���Ă����X���b�h�������o���̂ŁA���̑O��Socket��Disconnect�͂�����Ă����B�����ɂ����������\�P�b�g�̓��삪���ɂȂ����P�[�X����B
NotifyAsyncClient();
}
}
}
protected virtual void MakeConnection()
{
//�܂�SOCKS��g���ׂ����ǂ����肷��
IProtocolOptions opt = ProtocolsPlugin.Instance.ProtocolOptions;
if (opt.UseSocks && SocksApplicapable(opt.SocksNANetworks, IPAddressList.SilentGetAddress(_host))) {
_socks = new Socks();
_socks.Account = opt.SocksAccount;
_socks.Password = opt.SocksPassword;
_socks.DestName = _host;
_socks.DestPort = (short)_port;
_socks.ServerName = opt.SocksServer;
_socks.ServerPort = (short)opt.SocksPort;
}
string dest = _socks == null ? _host : _socks.ServerName;
int port = _socks == null ? _port : _socks.ServerPort;
IPAddress address = null;
if (IPAddress.TryParse(dest, out address)) {
_addressSet = new IPAddressList(address); //�ŏ�����IP�A�h���X�`���̂Ƃ��͎�ŕϊ��B�����łȂ���DNS�̋t��������ă^�C���A�E�g�A�Ƃ���₱�������Ƃ��N����
}
else { //�z�X�g���`��
StartOverridingErrorMessage(String.Format(PEnv.Strings.GetString("Message.AddressNotResolved"), dest));
_addressSet = new IPAddressList(dest);
EndOverridingErrorMessage();
}
StartOverridingErrorMessage(String.Format(PEnv.Strings.GetString("Message.FailedToConnectPort"), dest, port));
_socket = NetUtil.ConnectTCPSocket(_addressSet, port);
EndOverridingErrorMessage();
_connectedAddress = ((IPEndPoint)_socket.RemoteEndPoint).Address;
if (_socks != null) {
_errorMessage = "An error occurred in SOCKS negotiation.";
_socks.Connect(_socket);
//�ڑ�����������_host,_port����ɖ߂�
_host = _socks.DestName;
_port = _socks.DestPort;
}
_tcpConnected = true;
}
