forked from Mirror/Ryujinx
8406ec6272
* Refactor Ryujinx.Common and HLE Stub Logging * Resolve review comments * Rename missed loop variable * Optimize PrintStub logging function * Pass the call-sites Thread ID through to the logger * Remove superfluous lock from ConsoleLog * Process logged data objects in the logger target Pass the data object all the way to the output logger targets, to allow them to "serialize" this in whatever appropriate format they're logging in. * Use existing StringBuilder to build the properties string * Add a ServiceNotImplemented Exception Useful for printing debug information about unimplemented service calls * Resolve Style Nits * Resolve Merge Issues * Fix typo and align declarations
398 lines
14 KiB
C#
398 lines
14 KiB
C#
using Ryujinx.Common.Logging;
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using Ryujinx.HLE.HOS.Ipc;
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using System;
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using System.Collections.Generic;
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using System.Net;
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using System.Net.Sockets;
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using System.Text;
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using static Ryujinx.HLE.HOS.ErrorCode;
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namespace Ryujinx.HLE.HOS.Services.Sfdnsres
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{
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class IResolver : IpcService
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{
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private Dictionary<int, ServiceProcessRequest> _commands;
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public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => _commands;
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public IResolver()
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{
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_commands = new Dictionary<int, ServiceProcessRequest>
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{
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{ 0, SetDnsAddressesPrivate },
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{ 1, GetDnsAddressesPrivate },
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{ 2, GetHostByName },
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{ 3, GetHostByAddress },
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{ 4, GetHostStringError },
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{ 5, GetGaiStringError },
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{ 8, RequestCancelHandle },
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{ 9, CancelSocketCall },
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{ 11, ClearDnsAddresses }
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};
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}
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private long SerializeHostEnt(ServiceCtx context, IPHostEntry hostEntry, List<IPAddress> addresses = null)
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{
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long originalBufferPosition = context.Request.ReceiveBuff[0].Position;
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long bufferPosition = originalBufferPosition;
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long bufferSize = context.Request.ReceiveBuff[0].Size;
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string hostName = hostEntry.HostName + '\0';
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// h_name
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context.Memory.WriteBytes(bufferPosition, Encoding.ASCII.GetBytes(hostName));
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bufferPosition += hostName.Length;
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// h_aliases list size
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context.Memory.WriteInt32(bufferPosition, IPAddress.HostToNetworkOrder(hostEntry.Aliases.Length));
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bufferPosition += 4;
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// Actual aliases
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foreach (string alias in hostEntry.Aliases)
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{
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context.Memory.WriteBytes(bufferPosition, Encoding.ASCII.GetBytes(alias + '\0'));
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bufferPosition += alias.Length + 1;
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}
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// h_addrtype but it's a short (also only support IPv4)
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context.Memory.WriteInt16(bufferPosition, IPAddress.HostToNetworkOrder((short)2));
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bufferPosition += 2;
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// h_length but it's a short
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context.Memory.WriteInt16(bufferPosition, IPAddress.HostToNetworkOrder((short)4));
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bufferPosition += 2;
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// Ip address count, we can only support ipv4 (blame Nintendo)
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context.Memory.WriteInt32(bufferPosition, addresses != null ? IPAddress.HostToNetworkOrder(addresses.Count) : 0);
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bufferPosition += 4;
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if (addresses != null)
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{
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foreach (IPAddress ip in addresses)
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{
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context.Memory.WriteInt32(bufferPosition, IPAddress.HostToNetworkOrder(BitConverter.ToInt32(ip.GetAddressBytes(), 0)));
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bufferPosition += 4;
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}
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}
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return bufferPosition - originalBufferPosition;
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}
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private string GetGaiStringErrorFromErrorCode(GaiError errorCode)
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{
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if (errorCode > GaiError.Max)
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{
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errorCode = GaiError.Max;
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}
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switch (errorCode)
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{
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case GaiError.AddressFamily:
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return "Address family for hostname not supported";
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case GaiError.Again:
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return "Temporary failure in name resolution";
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case GaiError.BadFlags:
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return "Invalid value for ai_flags";
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case GaiError.Fail:
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return "Non-recoverable failure in name resolution";
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case GaiError.Family:
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return "ai_family not supported";
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case GaiError.Memory:
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return "Memory allocation failure";
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case GaiError.NoData:
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return "No address associated with hostname";
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case GaiError.NoName:
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return "hostname nor servname provided, or not known";
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case GaiError.Service:
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return "servname not supported for ai_socktype";
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case GaiError.SocketType:
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return "ai_socktype not supported";
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case GaiError.System:
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return "System error returned in errno";
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case GaiError.BadHints:
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return "Invalid value for hints";
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case GaiError.Protocol:
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return "Resolved protocol is unknown";
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case GaiError.Overflow:
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return "Argument buffer overflow";
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case GaiError.Max:
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return "Unknown error";
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default:
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return "Success";
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}
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}
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private string GetHostStringErrorFromErrorCode(NetDbError errorCode)
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{
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if (errorCode <= NetDbError.Internal)
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{
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return "Resolver internal error";
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}
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switch (errorCode)
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{
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case NetDbError.Success:
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return "Resolver Error 0 (no error)";
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case NetDbError.HostNotFound:
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return "Unknown host";
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case NetDbError.TryAgain:
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return "Host name lookup failure";
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case NetDbError.NoRecovery:
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return "Unknown server error";
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case NetDbError.NoData:
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return "No address associated with name";
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default:
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return "Unknown resolver error";
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}
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}
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private List<IPAddress> GetIpv4Addresses(IPHostEntry hostEntry)
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{
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List<IPAddress> result = new List<IPAddress>();
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foreach (IPAddress ip in hostEntry.AddressList)
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{
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if (ip.AddressFamily == AddressFamily.InterNetwork)
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result.Add(ip);
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}
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return result;
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}
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// SetDnsAddressesPrivate(u32, buffer<unknown, 5, 0>)
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public long SetDnsAddressesPrivate(ServiceCtx context)
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{
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uint unknown0 = context.RequestData.ReadUInt32();
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long bufferPosition = context.Request.SendBuff[0].Position;
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long bufferSize = context.Request.SendBuff[0].Size;
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// TODO: This is stubbed in 2.0.0+, reverse 1.0.0 version for the sake completeness.
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Logger.PrintStub(LogClass.ServiceSfdnsres, new { unknown0 });
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return MakeError(ErrorModule.Os, 1023);
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}
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// GetDnsAddressPrivate(u32) -> buffer<unknown, 6, 0>
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public long GetDnsAddressesPrivate(ServiceCtx context)
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{
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uint unknown0 = context.RequestData.ReadUInt32();
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// TODO: This is stubbed in 2.0.0+, reverse 1.0.0 version for the sake completeness.
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Logger.PrintStub(LogClass.ServiceSfdnsres, new { unknown0 });
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return MakeError(ErrorModule.Os, 1023);
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}
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// GetHostByName(u8, u32, u64, pid, buffer<unknown, 5, 0>) -> (u32, u32, u32, buffer<unknown, 6, 0>)
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public long GetHostByName(ServiceCtx context)
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{
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byte[] rawName = context.Memory.ReadBytes(context.Request.SendBuff[0].Position, context.Request.SendBuff[0].Size);
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string name = Encoding.ASCII.GetString(rawName).TrimEnd('\0');
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// TODO: use params
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bool enableNsdResolve = context.RequestData.ReadInt32() == 1;
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int timeOut = context.RequestData.ReadInt32();
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ulong pidPlaceholder = context.RequestData.ReadUInt64();
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IPHostEntry hostEntry = null;
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NetDbError netDbErrorCode = NetDbError.Success;
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GaiError errno = GaiError.Overflow;
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long serializedSize = 0;
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if (name.Length <= 255)
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{
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try
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{
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hostEntry = Dns.GetHostEntry(name);
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}
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catch (SocketException exception)
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{
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netDbErrorCode = NetDbError.Internal;
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if (exception.ErrorCode == 11001)
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{
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netDbErrorCode = NetDbError.HostNotFound;
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errno = GaiError.NoData;
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}
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else if (exception.ErrorCode == 11002)
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{
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netDbErrorCode = NetDbError.TryAgain;
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}
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else if (exception.ErrorCode == 11003)
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{
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netDbErrorCode = NetDbError.NoRecovery;
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}
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else if (exception.ErrorCode == 11004)
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{
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netDbErrorCode = NetDbError.NoData;
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}
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else if (exception.ErrorCode == 10060)
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{
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errno = GaiError.Again;
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}
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}
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}
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else
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{
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netDbErrorCode = NetDbError.HostNotFound;
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}
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if (hostEntry != null)
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{
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errno = GaiError.Success;
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List<IPAddress> addresses = GetIpv4Addresses(hostEntry);
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if (addresses.Count == 0)
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{
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errno = GaiError.NoData;
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netDbErrorCode = NetDbError.NoAddress;
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}
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else
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{
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serializedSize = SerializeHostEnt(context, hostEntry, addresses);
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}
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}
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context.ResponseData.Write((int)netDbErrorCode);
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context.ResponseData.Write((int)errno);
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context.ResponseData.Write(serializedSize);
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return 0;
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}
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// GetHostByAddr(u32, u32, u32, u64, pid, buffer<unknown, 5, 0>) -> (u32, u32, u32, buffer<unknown, 6, 0>)
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public long GetHostByAddress(ServiceCtx context)
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{
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byte[] rawIp = context.Memory.ReadBytes(context.Request.SendBuff[0].Position, context.Request.SendBuff[0].Size);
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// TODO: use params
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uint socketLength = context.RequestData.ReadUInt32();
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uint type = context.RequestData.ReadUInt32();
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int timeOut = context.RequestData.ReadInt32();
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ulong pidPlaceholder = context.RequestData.ReadUInt64();
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IPHostEntry hostEntry = null;
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NetDbError netDbErrorCode = NetDbError.Success;
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GaiError errno = GaiError.AddressFamily;
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long serializedSize = 0;
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if (rawIp.Length == 4)
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{
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try
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{
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IPAddress address = new IPAddress(rawIp);
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hostEntry = Dns.GetHostEntry(address);
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}
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catch (SocketException exception)
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{
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netDbErrorCode = NetDbError.Internal;
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if (exception.ErrorCode == 11001)
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{
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netDbErrorCode = NetDbError.HostNotFound;
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errno = GaiError.NoData;
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}
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else if (exception.ErrorCode == 11002)
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{
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netDbErrorCode = NetDbError.TryAgain;
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}
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else if (exception.ErrorCode == 11003)
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{
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netDbErrorCode = NetDbError.NoRecovery;
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}
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else if (exception.ErrorCode == 11004)
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{
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netDbErrorCode = NetDbError.NoData;
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}
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else if (exception.ErrorCode == 10060)
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{
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errno = GaiError.Again;
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}
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}
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}
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else
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{
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netDbErrorCode = NetDbError.NoAddress;
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}
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if (hostEntry != null)
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{
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errno = GaiError.Success;
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serializedSize = SerializeHostEnt(context, hostEntry, GetIpv4Addresses(hostEntry));
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}
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context.ResponseData.Write((int)netDbErrorCode);
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context.ResponseData.Write((int)errno);
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context.ResponseData.Write(serializedSize);
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return 0;
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}
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// GetHostStringError(u32) -> buffer<unknown, 6, 0>
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public long GetHostStringError(ServiceCtx context)
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{
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long resultCode = MakeError(ErrorModule.Os, 1023);
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NetDbError errorCode = (NetDbError)context.RequestData.ReadInt32();
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string errorString = GetHostStringErrorFromErrorCode(errorCode);
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if (errorString.Length + 1 <= context.Request.ReceiveBuff[0].Size)
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{
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resultCode = 0;
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context.Memory.WriteBytes(context.Request.ReceiveBuff[0].Position, Encoding.ASCII.GetBytes(errorString + '\0'));
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}
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return resultCode;
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}
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// GetGaiStringError(u32) -> buffer<unknown, 6, 0>
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public long GetGaiStringError(ServiceCtx context)
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{
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long resultCode = MakeError(ErrorModule.Os, 1023);
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GaiError errorCode = (GaiError)context.RequestData.ReadInt32();
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string errorString = GetGaiStringErrorFromErrorCode(errorCode);
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if (errorString.Length + 1 <= context.Request.ReceiveBuff[0].Size)
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{
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resultCode = 0;
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context.Memory.WriteBytes(context.Request.ReceiveBuff[0].Position, Encoding.ASCII.GetBytes(errorString + '\0'));
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}
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return resultCode;
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}
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// RequestCancelHandle(u64, pid) -> u32
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public long RequestCancelHandle(ServiceCtx context)
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{
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ulong unknown0 = context.RequestData.ReadUInt64();
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context.ResponseData.Write(0);
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Logger.PrintStub(LogClass.ServiceSfdnsres, new { unknown0 });
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return 0;
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}
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// CancelSocketCall(u32, u64, pid)
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public long CancelSocketCall(ServiceCtx context)
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{
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uint unknown0 = context.RequestData.ReadUInt32();
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ulong unknown1 = context.RequestData.ReadUInt64();
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Logger.PrintStub(LogClass.ServiceSfdnsres, new { unknown0, unknown1 });
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return 0;
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}
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// ClearDnsAddresses(u32)
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public long ClearDnsAddresses(ServiceCtx context)
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{
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uint unknown0 = context.RequestData.ReadUInt32();
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Logger.PrintStub(LogClass.ServiceSfdnsres, new { unknown0 });
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return 0;
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}
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}
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}
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