/// <summary>
/// 获取客户端IP
/// </summary>
/// <param name="context">HttpContext</param>
/// <returns>ClientIP</returns>
public static string GetClientIP(HttpContext context)
{
// 通过服务端转发的真实客户端IP
string ip = context.Request.Headers["clientIp"];
if (string.IsNullOrEmpty(ip) || string.Equals("unknown", ip, StringComparison.OrdinalIgnoreCase))
{
ip = context.Request.Headers["x-forwarded-for"];
}
if (string.IsNullOrEmpty(ip) || string.Equals("unknown", ip, StringComparison.OrdinalIgnoreCase))
{
ip = context.Request.Headers["Proxy-Client-IP"];
}
if (string.IsNullOrEmpty(ip) || string.Equals("unknown", ip, StringComparison.OrdinalIgnoreCase))
{
ip = context.Request.Headers["WL-Proxy-Client-IP"];
}
if (string.IsNullOrEmpty(ip) || string.Equals("unknown", ip, StringComparison.OrdinalIgnoreCase))
{
ip = context.Connection.RemoteIpAddress.ToString();
}
ip = IpUtils.ValidClientIP(ip);
return(ip);
}
public void IpToDecimal(string ip, string expectedDecimalIp, AddressFamily expectedAddressFamily)
{
var result = IpUtils.IpToDecimal(ip, out var addressFamily);
Assert.Equal(result, expectedDecimalIp);
Assert.Equal(addressFamily, expectedAddressFamily);
}
public PooledClient(string endpointList)
{
var endpoints = IpUtils.ParseEndpointList(endpointList);
thriftFactory = new ThriftFactory <TSampleService.Iface>(endpoints, SocketTimeout,
socket => new TSampleService.Client(new TBinaryProtocol(socket)));
}
private void btnConnect_Click(object sender, EventArgs e)
{
if (!IpUtils.ValidateParams(tbServerIp.Text, tbServerName.Text, out var errorMessage))
{
MessageBox.Show(this,
errorMessage,
"Некорректые параметры",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
return;
}
var serverIp = tbServerIp.Text != ""
? IPAddress.Parse(tbServerIp.Text)
: IpUtils.GetLocalIp(tbServerName.Text);
try
{
tcpSender = new Sockets.TcpClient();
tcpSender.Connect(new IPEndPoint(serverIp, ServerListenerPort));
lbConnectionStatus.Text = $"Подключен к {serverIp}";
btnConnect.Enabled = false;
btnSend.Enabled = true;
btnDisconnect.Enabled = true;
}
catch
{
MessageBox.Show(this,
"Не удалось подключиться к удаленному серверу. Проверьте правильность ip-адреса или имени сервера.",
"Ошибка",
MessageBoxButtons.OK,
MessageBoxIcon.Error);
}
}
private void OnIpTextChange()
{
string ip = IpBox.Textbox.Text;
int amountOfPeriods = ip.Count(x => x == '.');
if (ip.Any(ch => ch != '.' && !char.IsDigit(ch)) || ip.Split('.').Any(x => x.Length > 3) || amountOfPeriods > 3 || ip.Contains("..") || ip.StartsWith('.'))
{
RevertTextBox();
return;
}
void RevertTextBox()
{
IpBox.Textbox.Text = IpTextBefore;
IpBox.Textbox.SelectionStart = CaretPositionBefore;
IpBox.Textbox.SelectionLength = 0;
}
IpTextBefore = ip;
GetCaretPos(out Point p);
// Returns +9 for each number and +4 for a period. We're finding the amount of periods and adding 6 for each of them, so
// that they act like a number, in order to be able to count caret position properly. Yeah, ugly.
CaretPositionBefore = (p.X + amountOfPeriods * 6) / 9;
bool ipCorrect = IpUtils.IsIpCorrect(ip);
AddButton.Cursor = ipCorrect ? AddButtonProps.AllowCursor : AddButtonProps.DisallowCursor;
IpBox.BorderColor = string.IsNullOrEmpty(ip) || ipCorrect ? IpBoxProps.NeutralColor : IpBoxProps.IncorrectColor;
}
public static bool CheckWebServiceClient(out string msg, string clientIp)
{
msg = string.Empty;
if ((WebServiceClientIpList.Count > 0) && (!IpUtils.ContainIp(WebServiceClientIpList, clientIp)))
{
msg = "客户端(" + clientIp + ")未被授权访问";
return(false);
}
return(true);
}
public void RetrieveAvailableUsers()
{
// preparing request
byte[] byteToSend = Encoding.ASCII.GetBytes(JsonConvert.SerializeObject(_me));
while (_continueRequesting)
{
bool timedOut = false;
// sending request
_udpClient.Send(byteToSend, byteToSend.Length, _broadcastIp);
// ip end point used to record address and port of sender
IPEndPoint remoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
while (!timedOut)
{
byte[] recBytes = null;
try
{
// blocked until a message is received
recBytes = _udpClient.Receive(ref remoteIpEndPoint);
}
catch (SocketException e)
{
if (!e.SocketErrorCode.Equals(SocketError.TimedOut))
{
throw new Exception("Unexpected exception", e);
}
timedOut = true;
// call the functions registered to the delegate, in particular in userSelection
// clearing expired users
CleanUsersEvent();
}
if (!IpUtils.IsSelfMessage(remoteIpEndPoint) && !timedOut)
{
// reading response
string readData = Encoding.ASCII.GetString(recBytes);
// parsing available user
User availableUser = JsonConvert.DeserializeObject <User>(readData);
availableUser.IPAddress = remoteIpEndPoint.Address.ToString();
availableUser.LastUpTime = DateTime.Now;
// call the functions registered to the delegate, in particular in userSelection
// adding new user
AddUserEvent(availableUser);
}
}
}
}
private void ServerForm_Load(object sender, EventArgs e)
{
tbPcName.Text = Dns.GetHostName();
tbIpAddress.Text = IpUtils.GetLocalIp(tbPcName.Text).ToString();
udpServer = new UdpClient(ServerListenerPort);
var thread = new Thread(InitListener);
thread.Start();
lbStatus.Text = "Сервер запущен";
}
private void ClientForm_Load(object sender, EventArgs e)
{
tbPcName.Text = Dns.GetHostName();
tbIpAddress.Text = IpUtils.GetLocalIp(tbPcName.Text).ToString();
tbMessage.Focus();
udpServer = new Sockets.UdpClient(ClientListenerPort);
var thread = new Thread(InitListener);
thread.Start();
lbStatus.Text = "Клиент запущен";
}
private void ClientForm_Load(object sender, EventArgs e)
{
tbPcName.Text = Dns.GetHostName();
var localIp = IpUtils.GetLocalIp(tbPcName.Text);
tbIpAddress.Text = localIp.ToString();
tbServerIp.Text = localIp.ToString();
var thread = new Thread(InitListener);
thread.Start();
lbStatus.Text = "Клиент запущен";
}
private static IPEndPoint GetLocalEndPointOrDefault()
{
IPAddress address;
try
{
// get an ip address and use Loopback if none found
address = IpUtils.GetLocalIpAddress() ?? IPAddress.Loopback;
}
catch (Exception)
{
// on failure, use Loopback
address = IPAddress.Loopback;
}
return(new IPEndPoint(address, 0));
}
private void btnSend_Click(object sender, EventArgs e)
{
var message = tbMessage.Text;
if (!IpUtils.ValidateParams(tbServerIp.Text, tbServerName.Text, message, out var errorMessage))
{
MessageBox.Show(this,
errorMessage,
"Некорректые параметры",
MessageBoxButtons.OK,
MessageBoxIcon.Information);
return;
}
var serverIp = tbServerIp.Text != ""
? IPAddress.Parse(tbServerIp.Text)
: IpUtils.GetLocalIp(tbServerName.Text);
SendMessage(serverIp, message);
}
/// <summary>
/// Construct the sls client with accessId, accessKey and server address,
/// all other parameters will be set to default value
/// </summary>
/// <param name="endpoint">the sls server address(e.g.,http://cn-hangzhou.sls.aliyuncs.com)</param>
/// <param name="accessKeyId">aliyun accessId</param>
/// <param name="accessKey">aliyun accessKey</param>
public LogClient(String endpoint, String accessKeyId, String accessKey, String securityToken)
{
if (!endpoint.StartsWith("http://") && !endpoint.StartsWith("https://"))
{
endpoint = "http://" + endpoint;
}
setEndpoint(endpoint);
if (IpUtils.IsIpAddress(this._hostName))
{
throw new LogException("LogClientError", "client error happens");
}
_localMachinePrivateIp = IpUtils.GetLocalMachinePrivateIp();
_accessKeyId = accessKeyId;
_accessKey = accessKey;
_securityToken = securityToken;
serviceClient = ServiceClient.Create(new ClientConfiguration());
serviceClient.Configuration.ConnectionTimeout = LogConsts.DEFAULT_SLS_CONNECT_TIMEOUT;
serviceClient.Configuration.ReadWriteTimeout = LogConsts.DEFAULT_SLS_READWRT_TIMEOUT;
}
public async Task <StatisticsClient> StartClientWithRetries()
{
_attempt = 0;
_siloSettings.SiloAddresses ??= new List <string>();
_siloSettings.SiloAddresses.Add(IpUtils.IpAddress().ToString());
var innerClient = new ClientBuilder()
.UseStaticClustering(_siloSettings.SiloAddresses.Select(a => new IPEndPoint(IPAddress.Parse(a), _siloSettings.SiloPort)).ToArray())
.Configure <ClusterOptions>(options =>
{
options.ClusterId = _oskSettings.ClusterId;
options.ServiceId = _oskSettings.ServiceId;
})
.ConfigureLogging(logging => logging.AddConsole())
.AddSimpleMessageStreamProvider("OSKProvider")
.Build();
await innerClient.Connect(RetryFilter);
Console.WriteLine("Client successfully connect to silo host");
return(new StatisticsClient(innerClient, new NLogLogger(LogManager.GetCurrentClassLogger())));
}
public void Listen()
{
while (_statusAvailableEvent.WaitOne())
{
try
{
// ip end point used to record address and port of sender
IPEndPoint remoteIpEndPoint = new IPEndPoint(IPAddress.Any, 0);
// blocked until a message is received
byte[] recBytes = _udpServer.Receive(ref remoteIpEndPoint);
if (!IpUtils.IsSelfMessage(remoteIpEndPoint))
{
// reading requester user
//string readData = Encoding.ASCII.GetString(recBytes);
//User requesterUser = JsonConvert.DeserializeObject<User>(readData);
//requesterUser.IPAddress = remoteIpEndPoint.Address.ToString();
// updating machine identity
UpdateMe();
// preparing response
byte[] byteToSend = Encoding.ASCII.GetBytes(JsonConvert.SerializeObject(_me));
// sending response
_udpServer.Send(byteToSend, byteToSend.Length, remoteIpEndPoint);
}
}
catch (Exception e)
{
Console.WriteLine("problems while udp responding");
Console.WriteLine(e);
}
}
}
public void IpToPaddedDecimal(string ip, string expectedDecimalIp)
{
var result = IpUtils.IpToPaddedDecimal(ip);
Assert.Equal(result, expectedDecimalIp);
}
public static Task Main(string[] args)
{
var oskSettings = new OskSettings();
var siloSettings = new SiloSettings();
var configuration = new ConfigurationBuilder()
.AddJsonFile("appsettings.json", true, true)
.Build();
configuration.GetSection("OskSettings").Bind(oskSettings);
configuration.GetSection("SiloSettings").Bind(siloSettings);
if (siloSettings.MaxCpuLoad < 100)
{
Task.Run(() => CpuOptimizer.Start(siloSettings.MaxCpuLoad, new CancellationToken()));
}
return(new HostBuilder()
.UseOrleans(builder =>
{
builder.UseLocalhostClustering()
.ConfigureServices(services =>
{
services.AddMongoUtils();
services.AddSingleton(oskSettings);
services.AddSingleton(siloSettings);
services.AddScoped <IAsyncLogger, NLogLogger>();
services.AddSingleton <IAssemblyCache, MemoryAssemblyCache>();
services.AddSingleton <IAssemblyMembersCache, MemoryAssemblyMembersCache>();
})
.Configure((Action <SchedulingOptions>)(options => options.AllowCallChainReentrancy = false))
.Configure((Action <ClusterOptions>)(options =>
{
options.ClusterId = oskSettings.ClusterId;
options.ServiceId = oskSettings.ServiceId;
}))
.Configure((Action <EndpointOptions>)(options => options.AdvertisedIPAddress = IpUtils.IpAddress()))
.ConfigureApplicationParts(parts => AddParts(parts, siloSettings).WithReferences())
.UseDashboard(options => {
options.Host = "*";
options.Port = 8080;
options.HostSelf = true;
options.CounterUpdateIntervalMs = 1000;
})
.AddMemoryGrainStorage(name: "StatisticsGrainStorage")
.AddSimpleMessageStreamProvider("OSKProvider", c => c.OptimizeForImmutableData = true);
})
.ConfigureLogging(builder => builder.AddConsole())
.RunConsoleAsync());
}
public void IsIpAddressInvalidIpV4Test()
{
const string validIPv4 = "172.16.2541";
Assert.IsFalse(IpUtils.IsIpAddress(validIPv4));
}
public void IsIpAddressInvalidIpV6Test()
{
const string validIPv6 = "2001:db8:1234:0000";
Assert.IsFalse(IpUtils.IsIpAddress(validIPv6));
}
public string ResolveListenIp()
{
return(_resolvedListenIp ??= IpUtils.ResolveIp(ListenIp));
}
public void IsValidPublicIpTest()
{
const string ip = "64.71.222.37";
Assert.IsTrue(IpUtils.IsValidPublicIp(ip));
}
public void IsNotValidPublicIpTest()
{
const string ip = "10.0.0.0";
Assert.IsFalse(IpUtils.IsValidPublicIp(ip));
}
public void IsValidLoopbackIpTest()
{
const string ip = "127.0.0.1";
Assert.IsTrue(IpUtils.IsLoopBack(ip));
}
public void IsIpAddressValidIpV4Test()
{
const string validIPv4 = "172.16.254.1";
Assert.IsTrue(IpUtils.IsIpAddress(validIPv4));
}
public void SetAuthentication(WebSocketServer webSocketServer)
{
var password = HasToken() ? LoadToken() : CreateToken();
var connectionPayload = new ConnectionPayload(webSocketServer.IsSecure ? "wss" : "ws", IpUtils.GetLocalIpAddress(), webSocketServer.Port, "user", password);
QRCodeGenerator qrGenerator = new QRCodeGenerator();
var qrCodeData = qrGenerator.CreateQrCode(JsonConvert.SerializeObject(connectionPayload), QRCodeGenerator.ECCLevel.Q);
connectionQRCode = new PngByteQRCode(qrCodeData);
webSocketServer.AuthenticationSchemes = WebSocketSharp.Net.AuthenticationSchemes.Basic;
webSocketServer.UserCredentialsFinder = (id) =>
{
#if LOCAL
return(new WebSocketSharp.Net.NetworkCredential("username", "password"));
#else
return(id.Name == connectionPayload.AuthenticationUsername ?
new WebSocketSharp.Net.NetworkCredential(connectionPayload.AuthenticationUsername, connectionPayload.AuthenticationPassword) :
null);
#endif
};
}
/// <summary>
/// Creates an FtpFileReceiverClient.
/// </summary>
/// <param name="path">Path to save files. Eg.: "D:/"</param>
public FtpFileReceiverClient(string path)
{
ipUtils = new IpUtils();
this.path = path;
}
public string ResolvePublicIp()
{
return(_resolvedPublicIp ??= IpUtils.ResolveIp(PublicIp));
}
