public void IsReplyRequiredTest()
{
SlpServiceAgent_Accessor target = new SlpServiceAgent_Accessor()
{
ServiceUrl = "service:e133.esta://2.4.3.127/0xaabb11223344"
};
ServiceRequestPacket request = new ServiceRequestPacket()
{
ServiceType = "service:e133.esta", ScopeList = target.Scope
};
Assert.IsTrue(target.IsReplyRequired(request));
request.ServiceType = "service:directory-agent";
Assert.IsFalse(target.IsReplyRequired(request));
request.ServiceType = "service:e133.esta";
target.ServiceUrl = "service:printer:lpr://igore.wco.ftp.com:515/draft";
Assert.IsFalse(target.IsReplyRequired(request));
request.ServiceType = "service:printer";
Assert.IsTrue(target.IsReplyRequired(request));
request.ServiceType = "service:lpr";
Assert.IsTrue(target.IsReplyRequired(request));
request.ServiceType = "service:printer:lpr";
Assert.IsTrue(target.IsReplyRequired(request));
request.ServiceType = "service:print6er";
Assert.IsFalse(target.IsReplyRequired(request));
request.ServiceType = "service:lp2r";
Assert.IsFalse(target.IsReplyRequired(request));
request.ServiceType = "service:prin4ter:lpr";
Assert.IsFalse(target.IsReplyRequired(request));
request.ServiceType = "service:printer:lp9r";
Assert.IsFalse(target.IsReplyRequired(request));
}
protected override void ProcessPacket(NewPacketEventArgs packetInfo)
{
DirectoryAgentAdvertPacket advert = packetInfo.Packet as DirectoryAgentAdvertPacket;
if (advert != null)
{
ProcessDAAdvert(advert, packetInfo.SourceEndPoint);
}
ServiceRequestPacket request = packetInfo.Packet as ServiceRequestPacket;
if (IsReplyRequired(request))
{
SendServiceReply(packetInfo.SourceEndPoint, packetInfo.Packet.Header.XId);
}
ServiceAcknowledgePacket acknowledge = packetInfo.Packet as ServiceAcknowledgePacket;
if (acknowledge != null)
{
RaiseServiceRegistered();
}
AttributeRequestPacket attributeRequest = packetInfo.Packet as AttributeRequestPacket;
if (IsReplyRequired(attributeRequest))
{
SendAttributeReply(packetInfo.SourceEndPoint, packetInfo.Packet.Header.XId);
}
}
protected void SendDARequest()
{
ServiceRequestPacket request = new ServiceRequestPacket();
FillHeader(request.Header, NewTransactionId());
request.ServiceType = "service:directory-agent";
request.ScopeList = Scope;
socket.Send(request);
}
/// <summary>
/// Determines whether a reply is required for the specified request.
/// We should only respond to requests within the scope of the service
/// </summary>
/// <param name="request">The request.</param>
/// <returns>
/// <c>true</c> if reply is required; otherwise, <c>false</c>.
/// </returns>
private bool IsReplyRequired(ServiceRequestPacket request)
{
if (!IsReplyRequired((SlpRequestPacket)request))
{
return(false);
}
//Does the requested service match this service?
if (request.ServiceType != ServiceType &&
((string.IsNullOrEmpty(ServiceAbstractType) || request.ServiceType != string.Format("service:{0}", ServiceAbstractType))) &&
((string.IsNullOrEmpty(ServiceConcreteType) || request.ServiceType != string.Format("service:{0}", ServiceConcreteType))))
{
return(false);
}
return(true);
}
/// <summary>
/// Sends a service request.
/// </summary>
/// <param name="serviceType">Type of the service.</param>
/// <param name="scope">The scope.</param>
/// <returns>The Id of the request</returns>
private int SendRequest(string serviceType, string scope)
{
ServiceRequestPacket request = new ServiceRequestPacket();
FillHeader(request.Header, NewTransactionId());
request.ServiceType = serviceType;
request.ScopeList = scope;
if (DirectoryAgent == null)
{
//Multicast the service request.
socket.Send(request);
}
else
{
//Request the services directly from the DA.
socket.Send(DirectoryAgent.EndPoint, request);
}
return(request.Header.XId);
}
