public override bool SearchTrip(UserNodeCore context, QueryBuilder qb)
{
Command command = new SearchTripCommand(qb);
context.ServiceProxy.HandleDarPoolingRequest(command);
return true;
}
public void HandleForwardedRangeSearch(Command command, string senderAddress, QueryBuilder query)
{
if (debug)
Console.WriteLine("{0} {1} node received FWD_RangeSearch", LogTimestamp, receiver.NodeName.ToUpper());
//AddFwdCommandService(fwdCommand.CommandID, rootSenderAddress);
}
public virtual bool SearchTrip(UserNodeCore context, QueryBuilder qb)
{
return false;
}
public void SearchTrip(QueryBuilder qb)
{
state.SearchTrip(this, qb);
}
public SearchTripCommand(QueryBuilder query)
{
this.queryBuilder = query;
}
// Console-Client, used for debug purposes
public static void Main()
{
UserNodeCore user = new UserNodeCore(new UserNode("prova"));
Console.WriteLine("***** DarPooling Client Console Testing *****\n\n");
User dummy = new User
{
UserName = "******",
Password = "******",
Name = "Daniele",
UserSex = User.Sex.m,
BirthDate = new DateTime(1986, 04, 08),
Email = "*****@*****.**",
Smoker = false,
SignupDate = DateTime.Now.AddDays(-30),
Whereabouts = ""
};
Trip trip1 = new Trip
{
Owner = "daniele@http://localhost:1111/Milano",
DepartureName = "Aci Trezza",
DepartureDateTime = new DateTime(2010, 7, 30, 8, 0, 0),
ArrivalName = "Milano",
ArrivalDateTime = new DateTime(2010, 7, 30, 10, 30, 0),
Smoke = false,
Music = false,
Cost = 10,
FreeSits = 4,
Notes = "none",
Modifiable = false
};
QueryBuilder query1 = new QueryBuilder
{
Owner = "daniele@http://localhost:1111/Milano",
DepartureName = "Aci Trezza",
/*
DepartureDateTime = new DateTime(2010, 7, 30, 8, 0, 0),
ArrivalName = "Milano",
ArrivalDateTime = new DateTime(2010, 7, 30, 10, 30, 0),
Smoke = false,
Music = false,
Cost = 10,
FreeSits = 4,
Notes = "none",
Modifiable = false
*/
};
/*
// Case 4: LoginForward
Console.ReadLine();
Console.WriteLine("Press a key... (Forward expected)");
Console.ReadLine();
Console.WriteLine("Key pressed!");
user.Join("Shaoran@http://localhost:1111/Milano", "shaoran", "http://*****:*****@http://localhost:1111/Milano");
TestCommands(unjoin);
Console.ReadLine();
Console.WriteLine("Press a key... (Register)");
Console.ReadLine();
RegisterUserCommand register = new RegisterUserCommand(dummy);
TestCommands(register);
//TestCommands(register);
*/
string city;
int range;
while (true)
{
EndpointAddress endPointAddress = new EndpointAddress("http://localhost:1155/Catania");
BasicHttpBinding binding = new BasicHttpBinding();
ChannelFactory<IDarPoolingMobile> factory = new ChannelFactory<IDarPoolingMobile>(
binding, endPointAddress);
IDarPoolingMobile serviceProxy = factory.CreateChannel();
string res = serviceProxy.HandleDarPoolingMobileRequest(new UnjoinCommand("pippo"));
Console.WriteLine("Got : {0}", res);
Console.WriteLine("I per insert, S per search, R per search-range:");
string instruction = Console.ReadLine();
switch(instruction)
{
case "i":
//Console.ReadLine();
Console.WriteLine("Insert departure city... (Insert Trip)");
city = Console.ReadLine();
trip1.DepartureName = city;
InsertTripCommand insert = new InsertTripCommand(trip1);
TestCommands(insert);
break;
case "s":
Console.WriteLine("Insert departure city... (Search Trip)");
city = Console.ReadLine();
query1.DepartureName = city;
query1.Range = 0;
SearchTripCommand search = new SearchTripCommand(query1);
TestCommands(search);
break;
case "r":
Console.WriteLine("Insert departure city... (Search Trip)");
city = Console.ReadLine();
query1.DepartureName = city;
Console.WriteLine("Insert search Range... (Search Trip)");
range = Convert.ToInt32(Console.ReadLine());
query1.Range = range;
SearchTripCommand search2 = new SearchTripCommand(query1);
TestCommands(search2);
break;
default:
break;
}
//Console.ReadLine();
}
}
public SearchTripCommand(QueryBuilder query)
{
this.queryBuilder = query;
}
private IEnumerable<Trip> FilterQuery(QueryBuilder filterTrip, IEnumerable<Trip> filteringQuery)
{
/* Prefiltering */
filteringQuery = from i in filteringQuery
where i.Smoke == filterTrip.Smoke && i.Music == filterTrip.Music
select i;
filteringQuery = from i in filteringQuery
where DateTime.Compare(filterTrip.DepartureDateTime, i.DepartureDateTime) < 0 &&
DateTime.Compare(filterTrip.ArrivalDateTime, i.ArrivalDateTime) < 0
select i;
if (filterTrip.Owner != null)
{
filteringQuery = from i in filteringQuery
where i.Owner == filterTrip.Owner
select i;
}
if (filterTrip.ArrivalName != null)
{
filteringQuery = from i in filteringQuery
where i.ArrivalName == filterTrip.ArrivalName.ToLower()
select i;
}
if (filterTrip.Cost > 0)
{
filteringQuery = from i in filteringQuery
where i.Cost < filterTrip.Cost
select i;
}
IEnumerable<Trip> filteredQuery = filteringQuery;
return filteredQuery;
}
public Result SearchTrip(QueryBuilder queryTrip)
{
// Error! Search range cannot be a negative number!
if (queryTrip.Range < 0)
{
SearchTripError error = new SearchTripError();
error.Comment = "Search range must be a non-negative number!";
return error;
}
/** Check if the current node is the nearest node to the departure location. */
string targetNode = NearestNodeToDeparture(queryTrip.DepartureName);
if (!targetNode.Equals(NodeName))
{
Console.WriteLine("Decision: sending SearchTripCommand to : {0}", targetNode);
ForwardRequiredResult forwardRequest = new ForwardRequiredResult();
forwardRequest.RequestID = serviceImpl.generateGUID();
forwardRequest.Destination = baseForwardAddress + targetNode;
return forwardRequest;
}
// The Search has no range criteria. We can perform a simple search or
// a simple forward request.
if (queryTrip.Range == 0)
{
Console.WriteLine("Testing Range 0");
List<Trip> matchingTrip = GetTripZeroRange(queryTrip);
SearchTripResult searchResult = new SearchTripResult(matchingTrip);
searchResult.OriginalQueryID = queryTrip.ID;
Console.WriteLine("{0} {1} Trip(s) were found in {2}", serviceImpl.LogTimestamp, matchingTrip.Count, NodeName);
return searchResult;
}
// The client specified a range for search: we need to do a more complex search
// and potentially a multiple forwarding.
else
{
Location departureLoc = GMapsAPI.addressToLocation(queryTrip.DepartureName);
LocationRange departureLocRange = new LocationRange(departureLoc.Latitude, departureLoc.Longitude, queryTrip.Range);
List<Trip> matchingTrip = GetTripWithRange(queryTrip, departureLocRange);
SearchTripResult searchResult = new SearchTripResult(matchingTrip);
searchResult.OriginalQueryID = queryTrip.ID;
Console.WriteLine("{0} {1} Trip(s) were found in {2}", serviceImpl.LogTimestamp, matchingTrip.Count, NodeName);
/** Check if there are other neighbour nodes within the range of search. */
string[] targetNeighbours = NeighbourNodesInRange(departureLocRange);
if (targetNeighbours.Length > 0)
{
foreach (string n in targetNeighbours)
{
Console.WriteLine("{0} is in range.", n);
}
return new NullResult();
}
else
{
//Console.WriteLine("No neighbour is in range.");
return searchResult;
}
}
}
public List<Trip> GetTripZeroRange(QueryBuilder filterTrip)
{
tripDatabaseLock.EnterReadLock();
try
{
tripDatabase = XDocument.Load(tripDatabasePath);
var baseQuery = (from t in tripDatabase.Descendants("Trip")
where t.Element("DepartureName").Value.Equals(filterTrip.DepartureName.ToLower()) &&
Convert.ToInt32(t.Element("FreeSits").Value) > 0
select new Trip()
{
ID = Convert.ToInt32(t.Element("ID").Value),
Owner = t.Element("Owner").Value,
DepartureName = t.Element("DepartureName").Value,
DepartureDateTime = Convert.ToDateTime(t.Element("DepartureDateTime").Value),
ArrivalName = t.Element("ArrivalName").Value,
ArrivalDateTime = Convert.ToDateTime(t.Element("ArrivalDateTime").Value),
Smoke = Convert.ToBoolean(t.Element("Smoke").Value),
Music = Convert.ToBoolean(t.Element("Music").Value),
Cost = Convert.ToDouble(t.Element("Cost").Value),
FreeSits = Convert.ToInt32(t.Element("FreeSits").Value),
Notes = t.Element("Notes").Value,
Modifiable = Convert.ToBoolean(t.Element("Modifiable").Value)
});
IEnumerable<Trip> filteredQuery = FilterQuery(filterTrip, baseQuery);
return filteredQuery.ToList();
}
finally
{
tripDatabaseLock.ExitReadLock();
}
}
