public bool AddMessage(NetworkRequest r)
{
if (running)
pendingRequests.Add(r);
workerEvent.Set();
return running;
}
public NetworkRequest CreateRequest()
{
var req = new NetworkRequest();
req.Verb = "ADDDOWNLOAD";
req.Param = URL;
return req;
}
/// <summary>
/// Called by a end client to send an update a server
/// </summary>
/// <returns></returns>
public NetworkRequest CreateRequest()
{
var req = new NetworkRequest();
req.Data = Serialize(this);
req.Verb = "UPDATE";
return req;
}
public NetworkRequest CreateRequest()
{
var r = new NetworkRequest();
r.Verb = "SEARCH";
r.Data = Serialize(this);
return r;
}
public bool ReceiveResponse(NetworkRequest r)
{
var search = Deserialise<SearchVerb>(r.Data);
SearchString = search.SearchString;
results = search.Results;
return true;
}
public void AddMessage(NetworkRequest r)
{
if (run)
{
pendingRequests.Add(r.Clone());
workerEvent.Set();
}
}
public bool ReceiveResponse(NetworkRequest r)
{
var inc = Deserialise<ChatVerb>(r.Data);
Nickname = inc.Nickname;
Message = inc.Message;
SourceID = inc.SourceID;
return true;
}
public bool Execute(NetworkRequest req, Node destination, int timeout)
{
destination.LastUpdate = Environment.TickCount;
var output = new NetworkRequest();
if (!string.IsNullOrEmpty(destination.Secret) && string.IsNullOrEmpty(req.AuthKey))
req.AuthKey = destination.Secret;
return DoRequest(destination.Location, req, out output, timeout);
}
public NetworkRequest ProcessRequest(NetworkRequest r)
{
var verb = Deserialise<ConnectVerb>(r.Data);
Address = verb.Address;
ClientType = verb.ClientType;
Secret = verb.Secret;
ClientType = verb.ClientType;
OverlordID = r.OverlordID;
r.Data = string.Empty;
return r;
}
public bool ReceiveResponse(NetworkRequest r)
{
try
{
var inc = Deserialise<InfoVerb>(r.Data);
Node = inc.Node;
return true;
}
catch
{
return false;
}
}
public NetworkRequest ProcessRequest(NetworkRequest r)
{
var verb = Deserialise<BrowseVerb>(r.Data);
List<BrowsingFile> results;
if (_infoService.GetPath(verb.Path, verb.NoCache, true, out results))
Results = results;
r.Data = Serialize(this);
//Clear collection to assist GC
results.Clear();
return r;
}
public bool ReceiveResponse(NetworkRequest r)
{
try
{
var verb = Deserialise<BrowseVerb>(r.Data);
NoCache = verb.NoCache;
Path = verb.Path;
Results = verb.Results;
return true;
}
// ReSharper disable EmptyGeneralCatchClause
catch
// ReSharper restore EmptyGeneralCatchClause
{
}
return false;
}
public NetworkRequest ProcessRequest(NetworkRequest r)
{
var verb = Deserialise<SearchVerb>(r.Data);
SearchString = verb.SearchString;
long modifiedBefore = 0;
long modifiedAfter = 0;
if (DateTime.MinValue != verb.ModifiedBefore)
modifiedBefore = verb.ModifiedBefore.ToFileTime();
if (DateTime.MinValue != verb.ModifiedAfter)
modifiedAfter = verb.ModifiedAfter.ToFileTime();
if (null != shareInfoService)
results = shareInfoService.Search(verb.SearchString, Model.MAX_SEARCH_RESULTS, modifiedBefore,
modifiedAfter, verb.SmallerThan, verb.LargerThan);
r.Data = Serialize(this);
results.Clear();
return r;
}
public NetworkRequest ProcessRequest(NetworkRequest r)
{
Allowed = !model.DisableComparision;
if (Allowed)
{
lock (sync)
{
if (null == cachedResponse || Environment.TickCount - cacheTime > 1000*300)
{
var si = new SystemInfo();
Node = new CompareNode();
Node.SetData("COMP-CPUSpeed", si.GetCPUSpeed().ToString());
Node.SetData("COMP-CPUType", si.GetCPUType());
Node.SetData("COMP-CPUCores", si.GetCPUCores().ToString());
Node.SetData("COMP-CPUThreads", si.GetCPUThreads().ToString());
Node.SetData("COMP-CPUBits", si.GetCPUBits().ToString());
Node.SetData("COMP-MoboBrand", si.GetMoboBrand());
Node.SetData("COMP-MoboModel", si.GetMoboModel());
Node.SetData("COMP-BIOSVersion", si.GetBIOSVersion());
Node.SetData("COMP-RAMSize", si.GetMemorySize().ToString());
Node.SetData("COMP-GPUModel", si.GetGPUDescription());
Node.SetData("COMP-GPUCount", si.GetGPUCount().ToString());
Node.SetData("COMP-GPUTotalMemory", si.GetTotalGPUMemory().ToString());
Node.SetData("COMP-DisplayPrimaryHeight", si.GetPrimaryDisplayHeight().ToString());
Node.SetData("COMP-DisplayPrimaryWidth", si.GetPrimaryDisplayWidth().ToString());
Node.SetData("COMP-DisplayTotalWidth", si.GetTotalDisplayWidth().ToString());
Node.SetData("COMP-DisplayTotalHeight", si.GetTotalDisplayHeight().ToString());
Node.SetData("COMP-HDDSize", si.GetTotalHDDSize().ToString());
Node.SetData("COMP-HDDFree", si.GetTotalHDDFree().ToString());
Node.SetData("COMP-HDDCount", si.GetHDDCount().ToString());
Node.SetData("COMP-NICSpeed", si.GetNetworkSpeed().ToString());
Node.SetData("COMP-SoundCard", si.GetSoundcardName());
cachedResponse = new NetworkRequest {Data = Serialize(this)};
cacheTime = Environment.TickCount;
}
}
return cachedResponse;
}
else
{
return new NetworkRequest {Data = Serialize(this)};
}
}
public static NetworkRequest Decode(IRequest r)
{
var req = new NetworkRequest();
if (!r.Uri.AbsolutePath.StartsWith(preample))
throw new Exception("Malformed url");
req.Verb = r.Uri.AbsolutePath.Substring(preample.Length);
IParameter param = r.Parameters.Where(p => p.Name == "p").FirstOrDefault();
if (null != param)
{
req.Param = Encoding.UTF8.GetString(Convert.FromBase64String(param.Value.Replace('_', '+')));
}
if (r.Method == "POST")
{
req.Data = GetPostString(r);
}
var headers = r.Headers as HeaderCollection;
if (null != headers)
{
foreach (IHeader h in headers)
{
var header = h as StringHeader;
if (null != header)
{
switch (header.Name.ToUpper())
{
case "FAP-AUTH":
req.AuthKey = header.Value;
break;
case "FAP-SOURCE":
req.SourceID = header.Value;
break;
case "FAP-OVERLORD":
req.OverlordID = header.Value;
break;
}
}
}
}
return req;
}
public bool Execute(IVerb verb, Node destination, int timeout)
{
try
{
NetworkRequest request = verb.CreateRequest();
var output = new NetworkRequest();
destination.LastUpdate = Environment.TickCount;
if (!string.IsNullOrEmpty(destination.Secret) && string.IsNullOrEmpty(request.AuthKey))
request.AuthKey = destination.Secret;
if (!DoRequest(destination.Location, request, out output, timeout))
return false;
if (!verb.ReceiveResponse(output))
return false;
return true;
}
catch
{
return false;
}
}
private bool HandleNOOP(RequestEventArgs e, NetworkRequest req)
{
//Noop is usually used as a heartbeat message however if the authkey is set then it came from a overlord
//Check the authkey is correct for our current overlord just incase we disconnected incorrectly and reconnected elsewhere
if (string.IsNullOrEmpty(req.AuthKey) || req.AuthKey == model.Network.Overlord.Secret)
SendOk(e);
return true;
}
private bool HandleUpdate(RequestEventArgs e, NetworkRequest req)
{
if (req.AuthKey == model.Network.Overlord.Secret)
{
model.Network.Overlord.LastUpdate = Environment.TickCount;
var verb = new UpdateVerb();
verb.ProcessRequest(req);
foreach (Node node in verb.Nodes)
{
Node search = model.Network.Nodes.Where(i => i.ID == node.ID).FirstOrDefault();
if (search == null)
{
//Dont allow partial updates to create clients. Only full updates should contain the online flag.
if (node.ContainsKey("Online") && node.ContainsKey("Nickname") && node.ContainsKey("ID"))
model.Network.Nodes.Add(node);
}
else
{
foreach (var param in node.Data)
search.SetData(param.Key, param.Value);
//Has the client disconnected?
if (!search.Online)
{
model.Network.Nodes.Remove(node);
logger.Trace("Client: Node offline update: " + node.ID);
}
}
}
SendOk(e);
return true;
}
return false;
}
private bool HandleChat(RequestEventArgs e, NetworkRequest req)
{
var verb = new ChatVerb();
verb.ReceiveResponse(req);
model.Messages.AddRotate(verb.Nickname + ":" + verb.Message, 50);
SendOk(e);
SafeObservingCollectionManager.UpdateNowAsync();
return true;
}
private bool HandleCompare(RequestEventArgs e, NetworkRequest req)
{
var verb = new CompareVerb(model);
NetworkRequest result = verb.ProcessRequest(req);
byte[] data = Encoding.UTF8.GetBytes(result.Data);
var generator = new ResponseWriter();
e.Response.ContentLength.Value = data.Length;
generator.SendHeaders(e.Context, e.Response);
e.Context.Stream.Write(data, 0, data.Length);
e.Context.Stream.Flush();
data = null;
return true;
}
private bool HandleSearch(RequestEventArgs e, NetworkRequest req)
{
//We dont do this on a server..
var verb = new SearchVerb(shareInfoService);
NetworkRequest result = verb.ProcessRequest(req);
byte[] data = Encoding.UTF8.GetBytes(result.Data);
var generator = new ResponseWriter();
e.Response.ContentLength.Value = data.Length;
generator.SendHeaders(e.Context, e.Response);
e.Context.Stream.Write(data, 0, data.Length);
e.Context.Stream.Flush();
data = null;
return true;
}
private bool HandleConversation(RequestEventArgs e, NetworkRequest req)
{
try
{
var verb = new ConversationVerb();
verb.ProcessRequest(req);
if (chatController.HandleMessage(verb.SourceID, verb.Nickname, verb.Message))
{
SendOk(e);
return true;
}
}
catch
{
}
return false;
}
public NetworkRequest CreateRequest()
{
var req = new NetworkRequest {Verb = "BROWSE", Data = Serialize(this)};
return req;
}
private void Process(object o)
{
try
{
while (run)
{
//If the client has timed out then disconect
if (pendingRequests.Count == 0 &&
Environment.TickCount - destination.LastUpdate > Model.UPLINK_TIMEOUT)
{
if (null != OnDisconnect)
OnDisconnect(this);
var req = new NetworkRequest {Verb = "DISCONNECT", SourceID = serverNode.ID};
TransmitRequest(req);
return;
}
//If the client is going to timeout in the next 15 seconds then do an update
if (pendingRequests.Count == 0 &&
Environment.TickCount - destination.LastUpdate > Model.UPLINK_TIMEOUT - PRE_TIMEOUT_PERIOD)
pendingRequests.Add(new NetworkRequest
{
Data = string.Empty,
Param = string.Empty,
Verb = "NOOP",
SourceID = serverNode.ID
});
while (pendingRequests.Count > 0)
{
NetworkRequest req = pendingRequests[0];
TransmitRequest(req);
pendingRequests.RemoveAt(0);
}
workerEvent.WaitOne(5000);
}
}
catch
{
if (null != OnDisconnect)
OnDisconnect(this);
}
//Clean up
//AutoResetEvent w = workerEvent;
//workerEvent = null;
//w.Close();
pendingRequests.Clear();
}
public NetworkRequest ProcessRequest(NetworkRequest r)
{
URL = r.Param;
return new NetworkRequest();
}
private bool HandleGet(RequestEventArgs e, NetworkRequest req)
{
//No url?
if (string.IsNullOrEmpty(req.Param))
return false;
string[] possiblePaths;
if (shareInfoService.ToLocalPath(req.Param, out possiblePaths))
{
foreach (string possiblePath in possiblePaths)
{
if (File.Exists(possiblePath))
{
var ffu = new FAPFileUploader(bufferService, serverUploadLimiterService);
var session = new TransferSession(ffu);
model.TransferSessions.Add(session);
try
{
//Try to find the username of the request
string userName = e.Context.RemoteEndPoint.Address.ToString();
Node search = model.Network.Nodes.ToList().Where(n => n.ID == req.SourceID).FirstOrDefault();
if (null != search && !string.IsNullOrEmpty(search.Nickname))
userName = search.Nickname;
using (
FileStream fs = File.Open(possiblePath, FileMode.Open, FileAccess.Read, FileShare.Read))
{
ffu.DoUpload(e.Context, fs, userName, possiblePath);
}
//Add log of upload
double seconds = (DateTime.Now - ffu.TransferStart).TotalSeconds;
var txlog = new TransferLog();
txlog.Nickname = userName;
txlog.Completed = DateTime.Now;
txlog.Filename = Path.GetFileName(possiblePath);
txlog.Path = Path.GetDirectoryName(req.Param);
if (!string.IsNullOrEmpty(txlog.Path))
{
txlog.Path = txlog.Path.Replace('\\', '/');
if (txlog.Path.StartsWith("/"))
txlog.Path = txlog.Path.Substring(1);
}
txlog.Size = ffu.Length - ffu.ResumePoint;
if (txlog.Size < 0)
txlog.Size = 0;
if (0 != seconds)
txlog.Speed = (int) (txlog.Size/seconds);
model.CompletedUploads.Add(txlog);
}
finally
{
model.TransferSessions.Remove(session);
}
return true;
}
}
}
e.Response.Status = HttpStatusCode.NotFound;
var generator = new ResponseWriter();
generator.SendHeaders(e.Context, e.Response);
return true;
}
private bool HandleAddDownload(RequestEventArgs e, NetworkRequest req)
{
if (req.AuthKey == model.LocalNode.Secret && !string.IsNullOrEmpty(req.Param))
{
model.AddDownloadURL(req.Param);
SendOk(e);
return true;
}
return false;
}
private void ProcessLanConnection(object o)
{
mserver.SendMessage(WhoVerb.CreateRequest());
Domain.Entities.Network network = model.Network;
network.PropertyChanged += network_PropertyChanged;
while (run)
{
if (network.State != ConnectionState.Connected)
{
//Not connected so connect automatically..
//Regenerate local secret to stop any updates if we reconnecting..
network.Overlord = new Node();
network.Overlord.Secret = IDService.CreateID();
//Clear old peers
network.Nodes.Clear();
//Build up a prioritised server list
var availibleNodes = new List<DetectedNode>();
List<DetectedNode> detectedPeers = peerFinder.Peers.ToList();
//Prioritise a server we havent connected to already
foreach (DetectedNode peer in detectedPeers)
{
if (attemptedPeers.Where(s => s.Node == peer).Count() == 0)
availibleNodes.Add(peer);
}
foreach (LanPeer peer in attemptedPeers.OrderByDescending(x => x.LastConnectionTime))
{
availibleNodes.Add(peer.Node);
}
while (network.State != ConnectionState.Connected && availibleNodes.Count > 0)
{
DetectedNode node = availibleNodes[0];
availibleNodes.RemoveAt(0);
if (!Connect(network, node))
peerFinder.RemovePeer(node);
}
}
if (network.State == ConnectionState.Connected)
{
CheckModelChanges();
//Check for network timeout
if ((Environment.TickCount - model.Network.Overlord.LastUpdate) > Model.UPLINK_TIMEOUT)
{
//We havent recently sent/recieved so went a noop so check we are still connected.
var req = new NetworkRequest
{
Verb = "NOOP",
SourceID = model.LocalNode.ID,
AuthKey = model.Network.Overlord.Secret
};
var client = new Client(model.LocalNode);
if (!client.Execute(req, model.Network.Overlord, 4000))
{
if (network.State == ConnectionState.Connected)
{
Disconnect();
}
}
}
workerEvent.WaitOne(10000);
}
else
workerEvent.WaitOne(100);
}
}
public bool ReceiveResponse(NetworkRequest r)
{
return true;
}
private void Process(object o)
{
try
{
while (running)
{
while (pendingRequests.Count > 0)
{
NetworkRequest req = pendingRequests[0];
pendingRequests.RemoveAt(0);
destination.LastUpdate = Environment.TickCount;
var c = new Client(source);
if (!c.Execute(req, destination))
{
//Error
running = false;
return;
}
}
//Check for client time out
if ((Environment.TickCount - destination.LastUpdate) > Model.UPLINK_TIMEOUT)
{
//We havent recently sent/recieved so went a noop so check we are still connected.
var req = new NetworkRequest {Verb = "NOOP", SourceID = source.ID, AuthKey = destination.Secret};
var client = new Client(source);
if (!client.Execute(req, destination, 4000))
{
//Error
running = false;
return;
}
}
//Wait until there is work to do or 5 seconds have elapsed
workerEvent.WaitOne(5000);
}
}
catch
{
}
finally
{
if (null != OnDisconnect)
OnDisconnect(this);
}
}
