private void OnExit(object sender, EventArgs e)
{
if (_proxyManager.LastProxyState == ProxyState.AutomaticallySetWithAutoconfigScript)
{
HostsFileManager.Remove(_proxyManager.GetAutoConfigUri().Host);
}
Application.Exit();
}
/// <summary>
/// "Validate cell" event handler.
/// </summary>
/// <param name="sender">Sender object.</param>
/// <param name="e">Event arguments.</param>
private void HE_ModelView_CellValidating(object sender, DataGridViewCellValidatingEventArgs e)
{
// Skip validation of the new rows...
if (((DataGridView)sender).Rows[e.RowIndex].IsNewRow)
{
return;
}
switch (e.ColumnIndex)
{
case 0: // Validating IP-address...
((DataGridView)sender).Rows[e.RowIndex].Cells[e.ColumnIndex].ErrorText = HostsFileManager.ValidateIPAddress((string)e.FormattedValue) ? null : AppStrings.AHE_IncorrectIPAddress;
break;
case 1: // Validating Hostname...
((DataGridView)sender).Rows[e.RowIndex].Cells[e.ColumnIndex].ErrorText = HostsFileManager.ValidateHostname((string)e.FormattedValue) ? null : AppStrings.AHE_IncorrectHostname;
break;
default: // Reporting an error...
Logger.Warn(DebugStrings.AppDbgModelViewColumnIndexOutOfRange);
break;
}
}
internal void InitializeFakeHostsForMultiSubnetFailover()
{
// initialize fake hosts for MultiSubnetFailover
string originalHost, protocol, instance;
int? port;
NetUtils.ParseDataSource(this.Source.DataSource, out protocol, out originalHost, out instance, out port);
// get the IPv4 addresses
IPAddress[] ipV4 = NetUtils.EnumerateIPv4Addresses(originalHost).ToArray();
if (ipV4 == null || ipV4.Length == 0)
{
// consider supporting IPv6 when it becomes relevant (not a goal right now)
throw new ArgumentException("The target server " + originalHost + " has no IPv4 addresses associated with it in DNS");
}
// construct different host names for MSF with valid server IP located in a different place each time
List<HostsFileManager.HostEntry> allEntries = new List<HostsFileManager.HostEntry>();
int nextValidIp = 0;
int nextInvalidIp = 0;
_multiSubnetFailoverHostNames = new List<string>();
// construct some interesting cases for MultiSubnetFailover stress
// for integrated security to work properly, the server name in connection string must match the target server host name.
// thus, create one entry in the hosts with the true server name: either FQDN or the short name
Task<IPHostEntry> task = Dns.GetHostEntryAsync(ipV4[0]);
string nameToUse = task.Result.HostName;
if (originalHost.Contains('.'))
{
// if the original hosts is FQDN, put short name in the hosts instead
// otherwise, put FQDN in hosts
int shortNameEnd = nameToUse.IndexOf('.');
if (shortNameEnd > 0)
nameToUse = nameToUse.Substring(0, shortNameEnd);
}
// since true server name is being re-mapped, keep the valid IP first in the list
AddEntryHelper(allEntries, _multiSubnetFailoverHostNames, nameToUse,
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount));
this.MultiSubnetFailoverHostNameForIntegratedSecurity = nameToUse;
// single valid IP
AddEntryHelper(allEntries, _multiSubnetFailoverHostNames, "MSF_MP_Stress_V",
ipV4[(nextValidIp++) % ipV4.Length]);
// valid + invalid
AddEntryHelper(
allEntries, _multiSubnetFailoverHostNames, "MSF_MP_Stress_VI",
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount));
// invalid + valid + invalid
AddEntryHelper(
allEntries, _multiSubnetFailoverHostNames, "MSF_MP_Stress_IVI",
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount));
// Using more than one active IP associated with the virtual name (VNN) is not a supported scenario with MultiSubnetFailover.
// But, this can definitly happen in reality - add special cases here to cover two valid IPs.
AddEntryHelper(
allEntries, _multiSubnetFailoverHostNames, "MSF_MP_Stress_IVI",
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
ipV4[(nextValidIp++) % ipV4.Length]);
// big boom with 7 IPs - for stress purposes only
AddEntryHelper(
allEntries, _multiSubnetFailoverHostNames, "MSF_MP_Stress_BIGBOOM",
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount)
);
// list of fake hosts is ready, initialize hosts file manager and update the file
_hostsFile = new HostsFileManager();
_hostsFile.AddRange(allEntries);
}
internal void InitializeFakeHostsForMultiSubnetFailover()
{
// initialize fake hosts for MultiSubnetFailover
string originalHost, protocol, instance;
int? port;
NetUtils.ParseDataSource(this.Source.DataSource, out protocol, out originalHost, out instance, out port);
// get the IPv4 addresses
IPAddress[] ipV4 = NetUtils.EnumerateIPv4Addresses(originalHost).ToArray();
if (ipV4 == null || ipV4.Length == 0)
{
// consider supporting IPv6 when it becomes relevant (not a goal right now)
throw new ArgumentException("The target server " + originalHost + " has no IPv4 addresses associated with it in DNS");
}
// construct different host names for MSF with valid server IP located in a different place each time
List <HostsFileManager.HostEntry> allEntries = new List <HostsFileManager.HostEntry>();
int nextValidIp = 0;
int nextInvalidIp = 0;
_multiSubnetFailoverHostNames = new List <string>();
// construct some interesting cases for MultiSubnetFailover stress
// for integrated security to work properly, the server name in connection string must match the target server host name.
// thus, create one entry in the hosts with the true server name: either FQDN or the short name
Task <IPHostEntry> task = Dns.GetHostEntryAsync(ipV4[0]);
string nameToUse = task.Result.HostName;
if (originalHost.Contains('.'))
{
// if the original hosts is FQDN, put short name in the hosts instead
// otherwise, put FQDN in hosts
int shortNameEnd = nameToUse.IndexOf('.');
if (shortNameEnd > 0)
{
nameToUse = nameToUse.Substring(0, shortNameEnd);
}
}
// since true server name is being re-mapped, keep the valid IP first in the list
AddEntryHelper(allEntries, _multiSubnetFailoverHostNames, nameToUse,
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount));
this.MultiSubnetFailoverHostNameForIntegratedSecurity = nameToUse;
// single valid IP
AddEntryHelper(allEntries, _multiSubnetFailoverHostNames, "MSF_MP_Stress_V",
ipV4[(nextValidIp++) % ipV4.Length]);
// valid + invalid
AddEntryHelper(
allEntries, _multiSubnetFailoverHostNames, "MSF_MP_Stress_VI",
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount));
// invalid + valid + invalid
AddEntryHelper(
allEntries, _multiSubnetFailoverHostNames, "MSF_MP_Stress_IVI",
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount));
// Using more than one active IP associated with the virtual name (VNN) is not a supported scenario with MultiSubnetFailover.
// But, this can definitly happen in reality - add special cases here to cover two valid IPs.
AddEntryHelper(
allEntries, _multiSubnetFailoverHostNames, "MSF_MP_Stress_IVI",
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
ipV4[(nextValidIp++) % ipV4.Length]);
// big boom with 7 IPs - for stress purposes only
AddEntryHelper(
allEntries, _multiSubnetFailoverHostNames, "MSF_MP_Stress_BIGBOOM",
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount),
ipV4[(nextValidIp++) % ipV4.Length],
NetUtils.GetNonExistingIPv4((nextInvalidIp++) % NetUtils.NonExistingIPv4AddressCount)
);
// list of fake hosts is ready, initialize hosts file manager and update the file
_hostsFile = new HostsFileManager();
_hostsFile.AddRange(allEntries);
}
static ServerInstance StartServer(Region region, HostsFileManager hosts)
{
_log.Basic("{0} proxy server starting...", region);
var sls = ServerListParameters.Uris[region];
var slsPort = Configuration.ServerListPort;
if (slsPort == 0)
{
slsPort = sls.Port;
}
var slsHost = sls.Host;
var slsAddress = Configuration.ServerListBaseAddress;
hosts?.RemoveEntry(slsHost, slsAddress);
var real = Dns.GetHostEntry(slsHost).AddressList[0];
_log.Info("Resolved {0} server list address: {1} -> {2}", region, slsHost, real);
hosts?.AddEntry(slsHost, slsAddress);
var slsProxy = new ServerListProxy(new ServerListParameters(real,
Configuration.ServerListBaseAddress, slsPort, Configuration.GameBaseAddress,
Configuration.GameBasePort, region, Configuration.ServerListTimeout,
Configuration.ServerListRetries));
var pool = new ObjectPool <SocketAsyncEventArgs>(() => new SocketAsyncEventArgs(),
x => x.Reset(), Configuration.PoolLimit != 0 ? (int?)Configuration.PoolLimit : null);
var version = DataCenter.ClientVersions[region];
var serializer = new CompilerPacketSerializer(region, new GameMessageTable(version),
new SystemMessageTable(version));
var proxies = slsProxy.Servers.Select(x => new GameProxy(x, pool, serializer,
Configuration.GameBacklog, Configuration.GameMaxClients, Configuration.GameTimeout))
.ToArray();
var path = Path.ChangeExtension(Path.Combine(Configuration.AssetDirectory,
DataCenter.FileNames[region]), DataCenter.UnpackedExtension);
using var file = File.Exists(path) ? File.OpenRead(path) : null;
var dc = file == null ? new DataCenter(version) : new DataCenter(file,
Configuration.DataCenterMode, Configuration.DataCenterStringOptions);
var loader = new PluginLoader(new PluginContext(region, dc, proxies),
Configuration.PluginDirectory, Configuration.PluginPattern, Configuration.DisablePlugins);
loader.Start();
if (Configuration.ServerListEnabled)
{
slsProxy.Start();
}
foreach (var proxy in proxies)
{
proxy.Start();
}
_log.Basic("{0} proxy server started", region);
return(new ServerInstance(slsProxy, loader, proxies));
}