void ProcessRequest(object listenerContext)
{
try
{
var context = (HttpListenerContext)listenerContext;
Uri uri = context.Request.Url;
Console.WriteLine("Got " + uri.PathAndQuery + " so path is " + uri.AbsolutePath + " and query is " + uri.Query);
string path = uri.AbsolutePath.Substring(1);
string query="";
if (uri.Query.Length > 0)
query = uri.Query.Substring(1);
Console.WriteLine("So path is now " + path + " and query is " + query);
// split the parameters into a handy dictionary
Dictionary<string, string> paramDict = SeparateParameters(query);
// see if a session key was provided, and get the player_id for authenticated player
int authenticatedPlayerId = -1;
if (paramDict.ContainsKey("sessionkey"))
{
SessionInfo authenticatedSession = _sessions.FindSession(new Guid(paramDict["sessionkey"]));
if (authenticatedSession != null)
authenticatedPlayerId = authenticatedSession.player_id;
}
switch (path)
{
case "login":
Console.WriteLine("Login request.");
LoginInfo loginInfo = new LoginInfo();
loginInfo.LoginSuccessful = false;
string password="";
PlayerInfo playerInfo = null;
string[] parameters = query.Split('&');
foreach (string parameter in parameters)
{
string[] param = parameter.Split('=');
if (param[0] == "email")
{
playerInfo = _connection.GetPlayer(param[1]);
}
else if (param[0] == "password")
{
password = param[1];
}
}
if (playerInfo == null)
{
loginInfo.LoginFailReason = "Could not identify player.";
}
else
{
if (_sessions.FindSession(playerInfo.Id) != null)
{
loginInfo.LoginFailReason = "Already logged in.";
}
else
{
// check authentication
if (password == playerInfo.Password)
{
SessionInfo newSession = new SessionInfo(playerInfo.Id);
_sessions.Add(newSession);
loginInfo.LoginSuccessful = true;
loginInfo.SessionKey = newSession.session_key;
}
else
{
loginInfo.LoginFailReason = "Authentication failed.";
}
}
}
XmlHelper.SerialiseLoginInfo(loginInfo, context.Response.OutputStream);
context.Response.OutputStream.Close();
break;
case "logout":
if (paramDict.ContainsKey("sessionkey"))
{
_sessions.Remove(_sessions.FindSession(new Guid(paramDict["sessionkey"])));
}
break;
case "players":
Console.WriteLine("Oh the players!");
List<PlayerInfo> players = new List<PlayerInfo>();
if (paramDict.ContainsKey("id"))
players.Add(_connection.GetPlayer(int.Parse(paramDict["id"])));
else if (paramDict.ContainsKey("email"))
players.Add(_connection.GetPlayer(paramDict["email"]));
else
players.AddRange(_connection.GetPlayers());
// don't expose private data
foreach (PlayerInfo player in players)
{
if (player.Id != authenticatedPlayerId)
{
//player.Email = "[private]";
player.Balance = int.MinValue;
player.Joined = DateTime.MinValue;
player.LastLogin = DateTime.MinValue;
player.Password = string.Empty;
}
}
XmlHelper.SerialisePlayerList(players, context.Response.OutputStream);
context.Response.OutputStream.Close();
break;
case "locations":
List<LocationInfo> locations = new List<LocationInfo>();
if (query.Length > 0)
{
string[] queries = query.Split('=');
if (queries[0] == "id")
locations.Add(_connection.GetLocation(int.Parse(queries[1])));
else
locations.AddRange(_connection.GetLocations());
}
else
{
locations.AddRange(_connection.GetLocations());
}
foreach (LocationInfo location in locations)
{
_connection.UpdateStockInfo(location);
}
XmlHelper.SerialiseLocationList(locations, context.Response.OutputStream);
context.Response.OutputStream.Close();
break;
case "transporters":
List<TransporterInfo> transporters = new List<TransporterInfo>();
transporters.AddRange(_connection.GetTransporters(authenticatedPlayerId));
// update info on these stock
foreach (TransporterInfo transporter in transporters)
_connection.UpdateStockInfo(transporter);
XmlHelper.SerialiseTransporterList(transporters, context.Response.OutputStream);
context.Response.OutputStream.Close();
break;
case "transport":
int from_id = -1;
int to_id = -1;
Dictionary<ResourceEnum, int> cargoList = new Dictionary<ResourceEnum, int>();
// get data from parameters
if (paramDict.ContainsKey("from")) from_id = int.Parse(paramDict["from"]);
if (paramDict.ContainsKey("to")) to_id = int.Parse(paramDict["to"]);
foreach (ResourceEnum resource in Enum.GetValues(typeof(ResourceEnum)))
{
string key = "stock" + resource.ToString().ToLower() ;
if (paramDict.ContainsKey(key))
cargoList.Add(resource, int.Parse(paramDict[key]));
}
//validate data
RequestReply reply = new RequestReply();
reply.Success = true;
if (authenticatedPlayerId == -1)
{
reply.ErrorMessage = "Authentication failed.";
reply.Success=false;
}
LocationInfo fromLocation = null;
if (reply.Success)
{
fromLocation = _connection.GetLocation(from_id);
if (fromLocation == null)
{
reply.ErrorMessage = "From location not found.";
reply.Success = false;
}
}
LocationInfo toLocation = null;
if (reply.Success)
{
toLocation = _connection.GetLocation(from_id);
if (toLocation == null)
{
reply.ErrorMessage = "To location not found.";
reply.Success = false;
}
}
if (reply.Success)
{
_connection.UpdateStockInfo(fromLocation);
if (cargoList.Count == 0)
{
reply.ErrorMessage = "No cargo requested.";
reply.Success = false;
}
}
if (reply.Success)
{
//TODO: transaction to make sure resources are not sold whilst we are checking stocks
foreach (KeyValuePair<ResourceEnum, int> cargo in cargoList)
{
StockInfo stockInfo = fromLocation.Stocks.First(s => s.ResourceType == cargo.Key);
if (stockInfo == null)
{
reply.ErrorMessage = "Resource " + cargo.Key + " is not available.";
reply.Success = false;
}
if (stockInfo.Quantity < cargo.Value)
{
reply.ErrorMessage = "Resource " + cargo.Key + " is not available in sufficient quantities.";
reply.Success = false;
}
}
}
RouteInfo route = null;
if (reply.Success)
{
// Determine which route to use
route = _connection.GetRoutes().Where(r => r.FromLocationId == from_id).Where(r => r.ToLocationId == to_id).FirstOrDefault();
if (route == null)
{
reply.ErrorMessage = "There is no route from " + fromLocation.Name + " to " + toLocation.Name + ".";
reply.Success = false;
}
}
if (reply.Success)
{
TransporterInfo newTransporter = _connection.CreateTransporter(authenticatedPlayerId, route.Id, from_id);
foreach (KeyValuePair<ResourceEnum, int>cargo in cargoList)
{
_connection.MoveResourcesToTransporter(from_id, newTransporter.Id, cargo.Key, cargo.Value);
}
}
XmlHelper.SerialiseRequestReply(reply, context.Response.OutputStream);
context.Response.OutputStream.Close();
break;
case "routes":
List<RouteInfo> routes = new List<RouteInfo>();
if (query.Length > 0)
{
string[] queries = query.Split('=');
if (queries[0] == "id")
routes.Add(_connection.GetRoute(int.Parse(queries[1])));
else
routes.AddRange(_connection.GetRoutes());
}
else
{
routes.AddRange(_connection.GetRoutes());
}
foreach (RouteInfo r in routes)
{
r.FromLocation = _connection.GetLocation(r.FromLocationId);
r.ToLocation = _connection.GetLocation(r.ToLocationId);
}
XmlHelper.SerialiseRouteList(routes, context.Response.OutputStream);
context.Response.OutputStream.Close();
break;
case "messages":
List<MessageInfo> messages;
//if (query.Length > 0)
//{
// string[] queries = query.Split('=');
// if (queries[0] == "id")
// messages = new List<MessageInfo>(_connection.GetMessages(int.Parse(queries[1])));
// else
// messages = new List<MessageInfo>(_connection.GetMessages());
//}
//else
//{
messages = new List<MessageInfo>(_connection.GetMessages());
//}
foreach (MessageInfo message in messages)
{
message.FromPlayer = _connection.GetPlayer(message.FromPlayerId);
message.ToPlayer = _connection.GetPlayer(message.ToPlayerId);
}
XmlHelper.SerialiseMessageList(messages, context.Response.OutputStream);
context.Response.OutputStream.Close();
break;
default:
break;
}
}
catch (Exception ex)
{
Console.WriteLine("Request error: " + ex);
}
Console.WriteLine("Thread exiting.");
}
public static void SerialiseLoginInfo(LoginInfo login, Stream stream)
{
XmlSerializer xs = new XmlSerializer(typeof(LoginInfo));
xs.Serialize(stream, login);
}