Mono.Zeroconf – Rev 2
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//
// Native.cs
//
// Authors:
// Aaron Bockover <abockover@novell.com>
//
// Copyright (C) 2006-2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.Text;
using System.Runtime.InteropServices;
namespace Mono.Zeroconf.Providers.Bonjour
{
public static class Native
{
// ServiceRef
[DllImport("dnssd.dll")]
public static extern void DNSServiceRefDeallocate(IntPtr sdRef);
[DllImport("dnssd.dll")]
public static extern ServiceError DNSServiceProcessResult(IntPtr sdRef);
[DllImport("dnssd.dll")]
public static extern int DNSServiceRefSockFD(IntPtr sdRef);
[DllImport("dnssd.dll")]
public static extern ServiceError DNSServiceCreateConnection(out ServiceRef sdRef);
// DNSServiceBrowse
public delegate void DNSServiceBrowseReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, IntPtr serviceName, string regtype, string replyDomain,
IntPtr context);
[DllImport("dnssd.dll")]
public static extern ServiceError DNSServiceBrowse(out ServiceRef sdRef, ServiceFlags flags,
uint interfaceIndex, string regtype, string domain, DNSServiceBrowseReply callBack,
IntPtr context);
// DNSServiceResolve
public delegate void DNSServiceResolveReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, IntPtr fullname, string hosttarget, ushort port, ushort txtLen,
IntPtr txtRecord, IntPtr context);
[DllImport("dnssd.dll")]
public static extern ServiceError DNSServiceResolve(out ServiceRef sdRef, ServiceFlags flags,
uint interfaceIndex, byte[] name, string regtype, string domain, DNSServiceResolveReply callBack,
IntPtr context);
// DNSServiceRegister
public delegate void DNSServiceRegisterReply(ServiceRef sdRef, ServiceFlags flags, ServiceError errorCode,
IntPtr name, string regtype, string domain, IntPtr context);
[DllImport("dnssd.dll")]
public static extern ServiceError DNSServiceRegister(out ServiceRef sdRef, ServiceFlags flags,
uint interfaceIndex, byte[] name, string regtype, string domain, string host, ushort port,
ushort txtLen, byte [] txtRecord, DNSServiceRegisterReply callBack, IntPtr context);
// DNSServiceQueryRecord
public delegate void DNSServiceQueryRecordReply(ServiceRef sdRef, ServiceFlags flags, uint interfaceIndex,
ServiceError errorCode, string fullname, ServiceType rrtype, ServiceClass rrclass, ushort rdlen,
IntPtr rdata, uint ttl, IntPtr context);
[DllImport("dnssd.dll")]
public static extern ServiceError DNSServiceQueryRecord(out ServiceRef sdRef, ServiceFlags flags,
uint interfaceIndex, string fullname, ServiceType rrtype, ServiceClass rrclass,
DNSServiceQueryRecordReply callBack, IntPtr context);
// TXT Record Handling
[DllImport("dnssd.dll")]
public static extern void TXTRecordCreate( IntPtr txtRecord, ushort bufferLen, IntPtr buffer);
[DllImport("dnssd.dll")]
public static extern void TXTRecordDeallocate(IntPtr txtRecord);
[DllImport("dnssd.dll")]
public static extern ServiceError TXTRecordGetItemAtIndex(ushort txtLen, IntPtr txtRecord,
ushort index, ushort keyBufLen, byte [] key, out byte valueLen, out IntPtr value);
[DllImport("dnssd.dll")]
public static extern ServiceError TXTRecordSetValue(IntPtr txtRecord, byte [] key,
sbyte valueSize, byte [] value);
[DllImport("dnssd.dll")]
public static extern ServiceError TXTRecordRemoveValue(IntPtr txtRecord, byte [] key);
[DllImport("dnssd.dll")]
public static extern ushort TXTRecordGetLength(IntPtr txtRecord);
[DllImport("dnssd.dll")]
public static extern IntPtr TXTRecordGetBytesPtr(IntPtr txtRecord);
[DllImport("dnssd.dll")]
public static extern ushort TXTRecordGetCount(ushort txtLen, IntPtr txtRecord);
public static string Utf8toString(IntPtr ptr)
{
int len = 0;
while (Marshal.ReadByte(ptr, len) != 0)
{
len++;
}
byte[] raw = new byte[len];
Marshal.Copy(ptr, raw, 0, len);
return Encoding.UTF8.GetString(raw);
}
}
}