public Services.DiscoverableServiceHandling.Data.DiscoverableServiceDefinitionsContainer DiscoverServicesNumOfInstances(string ServiceNameToFind, int numberOfInstances)
{
Services.DiscoverableServiceHandling.Data.DiscoverableServiceDefinitionsContainer servicesFoundContainer = new Services.DiscoverableServiceHandling.Data.DiscoverableServiceDefinitionsContainer();
BroadCasting.Data.BroadCastRepliesContainer replies = default(BroadCasting.Data.BroadCastRepliesContainer);
try
{
replies = this._DataBroadcastClient.BroadCastDataAndWaitSpecifiedNumberOfReplies(DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME_QUERY_BROADCAST_ID_NAME_STRING, DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME, ServiceNameToFind, numberOfInstances);
IEnumerator enumm = replies.GetEnumerator();
BroadCastReply reply = default(BroadCastReply);
while (enumm.MoveNext())
{
reply = (BroadCastReply)enumm.Current;
//evaluates if the reply contains the reply from the service searched
if (reply.ReplyIDName == DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME_QUERY_REPLYIDNAME_STRING)
{
BroadCasting.Data.BroadCastReply STXSErviceReply = default(BroadCasting.Data.BroadCastReply);
STXSErviceReply = reply;
//evaluates for the service parameters table attached with the data name specified
//by the constant SERVICE_PARAMETERS_TABLE
if (STXSErviceReply.DataName == DiscoverableServiceHandlingOperativeDefs.SERVICE_PARAMETERS_TABLE)
{
CustomHashTable paramsTable = (CustomHashTable)STXSErviceReply.Value;
DiscoverableServiceDefinitionParametersContainer serviceParams = new DiscoverableServiceDefinitionParametersContainer(paramsTable);
DiscoverableServiceHandlingOperativeDefs.DiscoverableServiceDefinition serviceDEfiniton = new DiscoverableServiceHandlingOperativeDefs.DiscoverableServiceDefinition();
DiscoverableServiceParameter param = default(DiscoverableServiceParameter);
//retrieves the service name from the parameters list
//and removes it from the parameters list
param = serviceParams.GetParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME);
if (param == null)
{
throw (new DiscoverableServiceDefinitionHandlingException(ServiceNameToFind, DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME));
}
serviceDEfiniton.ServiceName = param.Value;
serviceParams.RemoveParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME);
//retrieves the service id from the parameters table and removes it
param = serviceParams.GetParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_ID);
if (param == null)
{
throw (new DiscoverableServiceDefinitionHandlingException(ServiceNameToFind, DiscoverableServiceHandlingOperativeDefs.SERVICE_ID));
}
serviceDEfiniton.ServiceIDString = param.Value;
serviceParams.RemoveParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_ID);
//retrieves the service operation mode
param = serviceParams.GetParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_OPERATION_MODE);
if (param == null)
{
throw (new DiscoverableServiceDefinitionHandlingException(ServiceNameToFind, DiscoverableServiceHandlingOperativeDefs.SERVICE_OPERATION_MODE));
}
serviceDEfiniton.ServiceOperationMode = DiscoverableServiceHandlingOperativeDefs.GetServiceOperationModeFromString(param.Value);
serviceParams.RemoveParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_OPERATION_MODE);
serviceDEfiniton.ServiceParameters = serviceParams;
servicesFoundContainer.AddDefinition(serviceDEfiniton);
}
}
}
return(servicesFoundContainer);
}
catch (Exception)
{
return(servicesFoundContainer);
}
}
public DiscoverableServiceHandlingOperativeDefs.DiscoverableServiceDefinition FindService(string ServiceNameToFind)
{
try
{
BroadCasting.Data.BroadCastRepliesContainer replies = default(BroadCasting.Data.BroadCastRepliesContainer);
replies = this._DataBroadcastClient.BroadCastDataAndWaitOneFirstReply(DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME_QUERY_BROADCAST_ID_NAME_STRING, DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME, ServiceNameToFind, TIME_OUT_SECONDS);
if (replies.Count > 0)
{
//evaluates if the reply contains the reply from the service searched
if (replies.ContainsReplyIDName(DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME_QUERY_REPLYIDNAME_STRING))
{
BroadCasting.Data.BroadCastReply STXSErviceReply = default(BroadCasting.Data.BroadCastReply);
STXSErviceReply = replies.Item(DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME_QUERY_REPLYIDNAME_STRING);
//evaluates for the service parameters table attached with the data name specified
//by the constant SERVICE_PARAMETERS_TABLE
if (STXSErviceReply.DataName == DiscoverableServiceHandlingOperativeDefs.SERVICE_PARAMETERS_TABLE)
{
CustomHashTable paramsTable = (CustomHashTable)STXSErviceReply.Value;
DiscoverableServiceDefinitionParametersContainer serviceParams = new DiscoverableServiceDefinitionParametersContainer(paramsTable);
DiscoverableServiceHandlingOperativeDefs.DiscoverableServiceDefinition serviceDEfiniton = new DiscoverableServiceHandlingOperativeDefs.DiscoverableServiceDefinition();
DiscoverableServiceParameter param = default(DiscoverableServiceParameter);
//retrieves the service name from the parameters list
//and removes it from the parameters list
param = serviceParams.GetParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME);
if (param == null)
{
throw (new DiscoverableServiceDefinitionHandlingException(ServiceNameToFind, DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME));
}
serviceDEfiniton.ServiceName = param.Value;
serviceParams.RemoveParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME);
//retrieves the service id from the parameters table and removes it
param = serviceParams.GetParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_ID);
if (param == null)
{
throw (new DiscoverableServiceDefinitionHandlingException(ServiceNameToFind, DiscoverableServiceHandlingOperativeDefs.SERVICE_ID));
}
serviceDEfiniton.ServiceIDString = param.Value;
serviceParams.RemoveParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_ID);
//retrieves the service operation mode
param = serviceParams.GetParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_OPERATION_MODE);
if (param == null)
{
throw (new DiscoverableServiceDefinitionHandlingException(ServiceNameToFind, DiscoverableServiceHandlingOperativeDefs.SERVICE_OPERATION_MODE));
}
serviceDEfiniton.ServiceOperationMode = DiscoverableServiceHandlingOperativeDefs.GetServiceOperationModeFromString(param.Value);
serviceParams.RemoveParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_OPERATION_MODE);
serviceDEfiniton.ServiceParameters = serviceParams;
return(serviceDEfiniton);
}
else
{
throw (new DiscoverableServiceDefinitionHandlingSearchFailureException(ServiceNameToFind));
}
}
else
{
throw (new DiscoverableServiceDefinitionHandlingSearchFailureException(ServiceNameToFind));
}
}
else
{
throw (new DiscoverableServiceDefinitionHandlingSearchFailureException(ServiceNameToFind));
}
}
catch (Services.BroadCasting.DataBroadCastWaitReplyException)
{
throw (new DiscoverableServiceDefinitionHandlingSearchFailureException(ServiceNameToFind));
}
catch (Exception)
{
throw (new DiscoverableServiceDefinitionHandlingSearchFailureException(ServiceNameToFind));
}
}
public DiscoverableServiceDefinitionHandlingServer(DiscoverableServiceHandlingOperativeDefs.DiscoverableServiceMode serviceMode, string serviceName, DiscoverableServiceDefinitionParametersContainer parameters)
{
this._serviceName = serviceName.ToUpper();
this._serviceID = Guid.NewGuid().ToString("N");
this._servideMode = serviceMode;
this._serviceParameters = parameters;
//adds the service name, its id and its operation mode in the parameters Table
//in order to reply the table within the broadcast reply as a hashtable and
//retrieve those parametes in the client to fill specific fiels of the structure DiscoverableServiceDefinition
this._serviceParameters.AddParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_NAME, this._serviceName);
this._serviceParameters.AddParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_ID, this._serviceID);
this._serviceParameters.AddParameter(DiscoverableServiceHandlingOperativeDefs.SERVICE_OPERATION_MODE, DiscoverableServiceHandlingOperativeDefs.GetServiceOperationModeAsString(this._servideMode));
this._clientQueriesReceived = 0;
this._succesfullQueriesResulted = 0;
//Me._broadcastListener = BroadCasting.DataBroadcastListener.GetInstance
this._broadcastListener = new DataBroadcastListener(DiscoverableServiceHandlingOperativeDefs.DHS_SERVICE_HANDLER_BROADCAST_IP_ADDRESS, DiscoverableServiceHandlingOperativeDefs.DSH_SERVICE_HANDLER_BROADCAST_TCP_PORT);
this._broadcastListener.DataReceived += this.broadcastDataReceived;
}
