private List <ServiceInstanceEndPoint> LookupInstanceEndpoints(string name, ServiceInstanceFields fields)
{
List <ResourceRecord> records = DoLookup(name, RecordType.Service);
List <ServiceInstanceEndPoint> endpoints = new List <ServiceInstanceEndPoint>();
foreach (ServiceRecord record in records)
{
List <IPEndPoint> ipEndPoints = null;
if ((fields & ServiceInstanceFields.IPAddresses) != 0)
{
ipEndPoints = new List <IPEndPoint>();
List <ResourceRecord> ipRecords = DoLookup(record.Target, RecordType.Address);
foreach (IP4AddressRecord ipRecord in ipRecords)
{
ipEndPoints.Add(new IPEndPoint(ipRecord.Address, record.Port));
}
List <ResourceRecord> ip6Records = DoLookup(record.Target, RecordType.IP6Address);
// foreach (Ip6AddressRecord ipRecord in ipRecords)
// {
// ipEndPoints.Add(new IPEndPoint(ipRecord.Address, record.Port));
// }
}
endpoints.Add(new ServiceInstanceEndPoint(record.Priority, record.Weight, record.Port, record.Target, ipEndPoints.ToArray()));
}
return(endpoints);
}
/// <summary>
/// Queries for all instances of a particular service on the local network.
/// </summary>
/// <param name="service">The service to query, for example "_http._tcp".</param>
/// <param name="domain">The domain to query.</param>
/// <param name="fields">The details to query.</param>
/// <returns>An array of service instances.</returns>
/// <remarks>Excluding some fields (for example the IP address) may reduce the time taken.</remarks>
public ServiceInstance[] LookupInstances(string service, string domain, ServiceInstanceFields fields)
{
List <ResourceRecord> records = DoLookup(service + "." + domain, RecordType.Pointer);
List <ServiceInstance> instances = new List <ServiceInstance>();
foreach (PointerRecord record in records)
{
instances.Add(LookupInstance(EncodeName(record.TargetName, record.Name), fields));
}
return(instances.ToArray());
}
/// <summary>
/// Queries for all instances of a particular service on the local network.
/// </summary>
/// <param name="name">The instance to query, for example "My WebServer._http._tcp".</param>
/// <param name="fields">The details to query.</param>
/// <returns>The service instance.</returns>
/// <remarks>Excluding some fields (for example the IP address) may reduce the time taken.</remarks>
public ServiceInstance LookupInstance(string name, ServiceInstanceFields fields)
{
ServiceInstance instance = new ServiceInstance(name);
if ((fields & ServiceInstanceFields.DisplayName) != 0)
{
instance.DisplayName = DecodeDisplayName(name);
}
if ((fields & ServiceInstanceFields.Parameters) != 0)
{
instance.Parameters = LookupInstanceDetails(name);
}
if ((fields & ServiceInstanceFields.DnsAddresses) != 0 ||
(fields & ServiceInstanceFields.IPAddresses) != 0)
{
instance.EndPoints = LookupInstanceEndpoints(name, fields);
}
return(instance);
}
/// <summary>
/// Queries for all instances of a particular service on the local network.
/// </summary>
/// <param name="name">The instance to query, for example "My WebServer._http._tcp"</param>
/// <param name="fields">The details to query</param>
/// <returns>The service instance</returns>
/// <remarks>Excluding some fields (for example the IP address) may reduce the time taken</remarks>
public ServiceInstance LookupInstance(string name, ServiceInstanceFields fields)
{
ServiceInstance instance = new ServiceInstance(name);
if ((fields & ServiceInstanceFields.DisplayName) != 0)
{
instance.DisplayName = DecodeDisplayName(name);
}
if ((fields & ServiceInstanceFields.Parameters) != 0)
{
instance.Parameters = LookupInstanceDetails(name);
}
if ((fields & ServiceInstanceFields.DnsAddresses) != 0
|| (fields & ServiceInstanceFields.IPAddresses) != 0)
{
instance.EndPoints = LookupInstanceEndpoints(name, fields);
}
return instance;
}
private List<ServiceInstanceEndPoint> LookupInstanceEndpoints(string name, ServiceInstanceFields fields)
{
List<ResourceRecord> records = DoLookup(name, RecordType.Service);
List<ServiceInstanceEndPoint> endpoints = new List<ServiceInstanceEndPoint>();
foreach (ServiceRecord record in records)
{
List<IPEndPoint> ipEndPoints = null;
if ((fields & ServiceInstanceFields.IPAddresses) != 0)
{
ipEndPoints = new List<IPEndPoint>();
List<ResourceRecord> ipRecords = DoLookup(record.Target, RecordType.Address);
foreach (IP4AddressRecord ipRecord in ipRecords)
{
ipEndPoints.Add(new IPEndPoint(ipRecord.Address, record.Port));
}
List<ResourceRecord> ip6Records = DoLookup(record.Target, RecordType.IP6Address);
// foreach (Ip6AddressRecord ipRecord in ipRecords)
// {
// ipEndPoints.Add(new IPEndPoint(ipRecord.Address, record.Port));
// }
}
endpoints.Add(new ServiceInstanceEndPoint(record.Priority, record.Weight, record.Port, record.Target, ipEndPoints.ToArray()));
}
return endpoints;
}
/// <summary>
/// Queries for all instances of a particular service on the local network.
/// </summary>
/// <param name="service">The service to query, for example "_http._tcp".</param>
/// <param name="domain">The domain to query.</param>
/// <param name="fields">The details to query.</param>
/// <returns>An array of service instances.</returns>
/// <remarks>Excluding some fields (for example the IP address) may reduce the time taken.</remarks>
public ServiceInstance[] LookupInstances(string service, string domain, ServiceInstanceFields fields)
{
List<ResourceRecord> records = DoLookup(service + "." + domain, RecordType.Pointer);
List<ServiceInstance> instances = new List<ServiceInstance>();
foreach (PointerRecord record in records)
{
instances.Add(LookupInstance(EncodeName(record.TargetName, record.Name), fields));
}
return instances.ToArray();
}
/// <summary>
/// Queries for all instances of a particular service on the local network.
/// </summary>
/// <param name="service">The service to query, for example "_http._tcp".</param>
/// <param name="fields">The details to query.</param>
/// <returns>An array of service instances.</returns>
/// <remarks>Excluding some fields (for example the IP address) may reduce the time taken.</remarks>
public ServiceInstance[] LookupInstances(string service, ServiceInstanceFields fields)
{
return LookupInstances(service, "local.", fields);
}
/// <summary>
/// Queries for all instances of a particular service on the local network.
/// </summary>
/// <param name="service">The service to query, for example "_http._tcp".</param>
/// <param name="fields">The details to query.</param>
/// <returns>An array of service instances.</returns>
/// <remarks>Excluding some fields (for example the IP address) may reduce the time taken.</remarks>
public ServiceInstance[] LookupInstances(string service, ServiceInstanceFields fields)
{
return(LookupInstances(service, "local.", fields));
}
