public static extern DNSServiceErrorType DNSServiceQueryRecord(out IntPtr sdRef,
DNSServiceFlags flags,
UInt32 interfaceIndex,
[MarshalAs(UnmanagedType.CustomMarshaler, MarshalTypeRef = typeof(Utf8Marshaler))] String fullname,
DNSServiceType rrType,
DNSServiceClass rrClass,
DNSServiceQueryReply callBack,
IntPtr context);
/// <summary>
/// Called with the result of the call to DNSServiceQueryRecord() in the IPLookup() method.
///
/// If this object instance is configured with an <see cref="DNSService.InvokeableObject">InvokeableObject</see>,
/// this method is called in a thread safe manner. Typically, this means it's called on the application main loop.
/// </summary>
/// <param name="sdRef">
/// The DNSServiceRef initialized by DNSServiceQueryRecord().
/// </param>
/// <param name="flags">
/// Possible values are kDNSServiceFlagsMoreComing and kDNSServiceFlagsAdd.
/// The Add flag is NOT set for PTR records with a ttl of 0, i.e. "Remove" events.
/// </param>
/// <param name="interfaceIndex">
/// The interface on which the query was resolved.
/// </param>
/// <param name="errorCode">
/// Will be NoError on success, otherwise will indicate the failure that occurred.
/// Other parameters are undefined if errorCode is nonzero.
/// </param>
/// <param name="fullname">
/// The resource record's full domain name.
/// </param>
/// <param name="rrType">
/// The resource record's type (e.g. kDNSServiceType_PTR, kDNSServiceType_SRV, etc)
/// </param>
/// <param name="rrClass">
/// The class of the resource record (usually kDNSServiceClass_IN).
/// </param>
/// <param name="rdLength">
/// The length, in bytes, of the resource record rdata.
/// </param>
/// <param name="rData">
/// The raw rdata of the resource record.
/// </param>
/// <param name="ttl">
/// The resource record's time to live, in seconds.
/// </param>
/// <param name="context">
/// The context pointer that was passed to the callout.
/// </param>
private void IPLookupReply(IntPtr sdRef,
DNSServiceFlags flags,
UInt32 interfaceIndex,
DNSServiceErrorType errorCode,
String fullname,
DNSServiceType rrType,
DNSServiceClass rrClass,
UInt16 rdLength,
byte[] rData,
UInt32 ttl,
IntPtr context)
{
if (errorCode == DNSServiceErrorType.NoError)
{
if ((flags & DNSServiceFlags.Add) > 0)
{
System.Net.IPAddress addr = new System.Net.IPAddress(rData);
System.Net.IPEndPoint ep = new System.Net.IPEndPoint(addr, mPort);
mAddresses.Add(ep);
}
if ((flags & DNSServiceFlags.MoreComing) == 0)
{
Stop();
if (DidResolveService != null)
{
DidResolveService(this);
}
}
}
else
{
Stop();
if (DidNotResolveService != null)
{
DNSServiceException exception = new DNSServiceException("DNSServiceQueryRecord", errorCode);
DidNotResolveService(this, exception);
}
}
}
/// <summary>
/// Called with the result of the call to DNSServiceQueryRecord() in the StartMonitoring() method.
///
/// If this object instance is configured with an <see cref="DNSService.InvokeableObject">InvokeableObject</see>,
/// this method is called in a thread safe manner. Typically, this means it's called on the application main loop.
/// </summary>
/// <param name="sdRef">
/// The DNSServiceRef initialized by DNSServiceQueryRecord().
/// </param>
/// <param name="flags">
/// Possible values are kDNSServiceFlagsMoreComing and kDNSServiceFlagsAdd.
/// The Add flag is NOT set for PTR records with a ttl of 0, i.e. "Remove" events.
/// </param>
/// <param name="interfaceIndex">
/// The interface on which the query was resolved.
/// </param>
/// <param name="errorCode">
/// Will be NoError on success, otherwise will indicate the failure that occurred.
/// Other parameters are undefined if errorCode is nonzero.
/// </param>
/// <param name="fullname">
/// The resource record's full domain name.
/// </param>
/// <param name="rrType">
/// The resource record's type (e.g. kDNSServiceType_PTR, kDNSServiceType_SRV, etc)
/// </param>
/// <param name="rrClass">
/// The class of the resource record (usually kDNSServiceClass_IN).
/// </param>
/// <param name="rdLength">
/// The length, in bytes, of the resource record rdata.
/// </param>
/// <param name="rData">
/// The raw rdata of the resource record.
/// </param>
/// <param name="ttl">
/// The resource record's time to live, in seconds.
/// </param>
/// <param name="context">
/// The context pointer that was passed to the callout.
/// </param>
private void QueryReply(IntPtr sdRef,
DNSServiceFlags flags,
UInt32 interfaceIndex,
DNSServiceErrorType errorCode,
String fullname,
DNSServiceType rrType,
DNSServiceClass rrClass,
UInt16 rdLength,
byte[] rData,
UInt32 ttl,
IntPtr context)
{
if (errorCode == DNSServiceErrorType.NoError)
{
mTXTRecordData = rData;
if (DidUpdateTXT != null)
{
DidUpdateTXT(this);
}
}
}
/// <summary>
/// Called with the result of the call to DNSServiceQueryRecord() in the StartMonitoring() method.
///
/// If this object instance is configured with an <see cref="DNSService.InvokeableObject">InvokeableObject</see>,
/// this method is called in a thread safe manner. Typically, this means it's called on the application main loop.
/// </summary>
/// <param name="sdRef">
/// The DNSServiceRef initialized by DNSServiceQueryRecord().
/// </param>
/// <param name="flags">
/// Possible values are kDNSServiceFlagsMoreComing and kDNSServiceFlagsAdd.
/// The Add flag is NOT set for PTR records with a ttl of 0, i.e. "Remove" events.
/// </param>
/// <param name="interfaceIndex">
/// The interface on which the query was resolved.
/// </param>
/// <param name="errorCode">
/// Will be NoError on success, otherwise will indicate the failure that occurred.
/// Other parameters are undefined if errorCode is nonzero.
/// </param>
/// <param name="fullname">
/// The resource record's full domain name.
/// </param>
/// <param name="rrType">
/// The resource record's type (e.g. kDNSServiceType_PTR, kDNSServiceType_SRV, etc)
/// </param>
/// <param name="rrClass">
/// The class of the resource record (usually kDNSServiceClass_IN).
/// </param>
/// <param name="rdLength">
/// The length, in bytes, of the resource record rdata.
/// </param>
/// <param name="rData">
/// The raw rdata of the resource record.
/// </param>
/// <param name="ttl">
/// The resource record's time to live, in seconds.
/// </param>
/// <param name="context">
/// The context pointer that was passed to the callout.
/// </param>
private void QueryReply(IntPtr sdRef,
DNSServiceFlags flags,
UInt32 interfaceIndex,
DNSServiceErrorType errorCode,
String fullname,
DNSServiceType rrType,
DNSServiceClass rrClass,
UInt16 rdLength,
byte[] rData,
UInt32 ttl,
IntPtr context)
{
if (errorCode == DNSServiceErrorType.NoError)
{
mTXTRecordData = rData;
if (DidUpdateTXT != null)
{
DidUpdateTXT(this);
}
}
}
/// <summary>
/// Called with the result of the call to DNSServiceQueryRecord() in the IPLookup() method.
///
/// If this object instance is configured with an <see cref="DNSService.InvokeableObject">InvokeableObject</see>,
/// this method is called in a thread safe manner. Typically, this means it's called on the application main loop.
/// </summary>
/// <param name="sdRef">
/// The DNSServiceRef initialized by DNSServiceQueryRecord().
/// </param>
/// <param name="flags">
/// Possible values are kDNSServiceFlagsMoreComing and kDNSServiceFlagsAdd.
/// The Add flag is NOT set for PTR records with a ttl of 0, i.e. "Remove" events.
/// </param>
/// <param name="interfaceIndex">
/// The interface on which the query was resolved.
/// </param>
/// <param name="errorCode">
/// Will be NoError on success, otherwise will indicate the failure that occurred.
/// Other parameters are undefined if errorCode is nonzero.
/// </param>
/// <param name="fullname">
/// The resource record's full domain name.
/// </param>
/// <param name="rrType">
/// The resource record's type (e.g. kDNSServiceType_PTR, kDNSServiceType_SRV, etc)
/// </param>
/// <param name="rrClass">
/// The class of the resource record (usually kDNSServiceClass_IN).
/// </param>
/// <param name="rdLength">
/// The length, in bytes, of the resource record rdata.
/// </param>
/// <param name="rData">
/// The raw rdata of the resource record.
/// </param>
/// <param name="ttl">
/// The resource record's time to live, in seconds.
/// </param>
/// <param name="context">
/// The context pointer that was passed to the callout.
/// </param>
private void IPLookupReply(IntPtr sdRef,
DNSServiceFlags flags,
UInt32 interfaceIndex,
DNSServiceErrorType errorCode,
String fullname,
DNSServiceType rrType,
DNSServiceClass rrClass,
UInt16 rdLength,
byte[] rData,
UInt32 ttl,
IntPtr context)
{
if (errorCode == DNSServiceErrorType.NoError)
{
if((flags & DNSServiceFlags.Add) > 0)
{
System.Net.IPAddress addr = new System.Net.IPAddress(rData);
System.Net.IPEndPoint ep = new System.Net.IPEndPoint(addr, mPort);
mAddresses.Add(ep);
}
if ((flags & DNSServiceFlags.MoreComing) == 0)
{
Stop();
if (DidResolveService != null)
{
DidResolveService(this);
}
}
}
else
{
Stop();
if (DidNotResolveService != null)
{
DNSServiceException exception = new DNSServiceException("DNSServiceQueryRecord", errorCode);
DidNotResolveService(this, exception);
}
}
}