void RecvMoveStopHorizontal(IIPSocket conn, BitStream r)
{
User user;
if ((user = TryGetUser(conn)) != null && (user.IsMovingLeft || user.IsMovingRight))
{
if (user.IsPeerTrading)
return;
user.StopMovingHorizontal();
}
}
static void AssertRestOfStreamIsZero(BitStream data)
{
if (!RestOfStreamIsZero(data))
{
const string errmsg = "Encountered msgID = 0, but there was set bits remaining in the stream.";
if (log.IsWarnEnabled)
log.WarnFormat(errmsg);
Debug.Fail(errmsg);
}
}
void RecvMoveStopVertical(IIPSocket conn, BitStream r)
{
User user;
if ((user = TryGetUser(conn)) != null && (user.IsMovingUp || user.IsMovingDown))
{
if (user.IsPeerTrading)
return;
user.StopMovingVertical();
}
}
void RecvMoveUp(IIPSocket conn, BitStream r)
{
User user;
if ((user = TryGetUser(conn)) != null && !user.IsMovingUp)
{
if (user.IsPeerTrading)
return;
user.MoveUp();
}
}
void RecvJump(IIPSocket conn, BitStream r)
{
User user;
if (((user = TryGetUser(conn)) != null) && user.CanJump)
{
if (user.IsPeerTrading)
return;
user.Jump();
}
}
/// <summary>
/// Invokes the <see cref="IMessageProcessor"/> for handle processing a message block.
/// </summary>
/// <param name="socket">The <see cref="IIPSocket"/> that the data came from.</param>
/// <param name="processor">The <see cref="IMessageProcessor"/> to invoke.</param>
/// <param name="reader">The <see cref="BitStream"/> containing the data to process.</param>
protected override void InvokeProcessor(IIPSocket socket, IMessageProcessor processor, BitStream reader)
{
// Invoke the processor as normal, but keeping track of the bit position before and after invoking
var startBits = reader.PositionBits;
base.InvokeProcessor(socket, processor, reader);
var endBits = reader.PositionBits;
// Update the stats
_stats.HandleProcessorInvoked(processor.MsgID, endBits - startBits);
}
/// <summary>
/// Determines whether or not a connection request should be accepted.
/// </summary>
/// <param name="ip">The IPv4 address the remote connection is coming from.</param>
/// <param name="port">The port that the remote connection is coming from.</param>
/// <param name="data">The data sent along with the connection request.</param>
/// <returns>
/// If null or empty, the connection will be accepted. Otherwise, return a non-empty string containing the reason
/// as to why the connection is to be rejected to reject the connection.
/// </returns>
protected override string AcceptConnect(uint ip, ushort port, BitStream data)
{
// Check for too many connections from the IP
var maxConnsPerIP = ServerSettings.Default.MaxConnectionsPerIP;
if (maxConnsPerIP > 0)
{
var connsFromIP = Connections.Count(x => x.IP == ip);
if (connsFromIP >= maxConnsPerIP)
return GameMessageHelper.AsString(GameMessage.DisconnectTooManyConnectionsFromIP);
}
return base.AcceptConnect(ip, port, data);
}
public void ReadWriteFromHelperUsingPropertyTest()
{
var bs = new BitStream(512);
var a = new ClassB { A = "asdf", B = 512 };
var b = new ClassB();
a.WriteState(bs);
bs.PositionBits = 0;
b.ReadState(bs);
Assert.AreEqual(a.A, b.A);
Assert.AreEqual(a.B, b.B);
}
/// <summary>
/// Copies the values of this NPCChatConditionalCollectionBase to another NPCChatConditionalCollectionBase.
/// </summary>
/// <param name="dest">The NPCChatConditionalCollectionBase to copy the values into.</param>
public void CopyValuesTo(NPCChatConditionalCollectionBase dest)
{
var stream = new BitStream(256);
using (var writer = BinaryValueWriter.Create(stream))
{
Write(writer);
}
stream.PositionBits = 0;
var reader = BinaryValueReader.Create(stream);
dest.Read(reader);
}
public void ReadWriteFromInterfaceTest()
{
var bs = new BitStream(512);
var a = new ClassA { A = "asdf", B = 512 };
var b = new ClassA();
a.WriteState(bs);
bs.PositionBits = 0;
b.ReadState(bs);
Assert.AreEqual(a.A, b.A);
Assert.AreEqual(a.B, b.B);
}
/// <summary>
/// Sends data to the <see cref="INetworkSender"/>. This method is thread-safe.
/// </summary>
/// <param name="sender">The <see cref="INetworkSender"/> to use to send the data.</param>
/// <param name="data">BitStream containing the data to send to the User.</param>
/// <param name="messageType">The <see cref="ServerMessageType"/> to use for sending the <paramref name="data"/>.</param>
public static void Send(this INetworkSender sender, BitStream data, ServerMessageType messageType)
{
if (!sender.IsConnected)
{
const string errmsg = "Send to `{0}` failed - not connected.";
if (log.IsErrorEnabled)
log.ErrorFormat(errmsg, sender);
return;
}
NetDeliveryMethod method;
int seqChannel;
messageType.GetDeliveryMethod(out method, out seqChannel);
sender.Send(data, method, seqChannel);
}
/// <summary>
/// When overridden in the derived class, allows for handling received data from an <see cref="IIPSocket"/>.
/// </summary>
/// <param name="sender">The <see cref="IIPSocket"/> that the data came from.</param>
/// <param name="data">The data that was received.</param>
protected override void OnReceiveData(IIPSocket sender, BitStream data)
{
base.OnReceiveData(sender, data);
try
{
// Process the data
_messageProcessorManager.Process(sender, data);
}
catch (Exception ex)
{
const string errmsg = "Failed to process received data from `{0}`. Exception: {1}";
if (log.IsWarnEnabled)
log.WarnFormat(errmsg, sender, ex);
Debug.Fail(string.Format(errmsg, sender, ex));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="EditorNPCChatConditionalCollection"/> class.
/// </summary>
/// <param name="source">The source <see cref="NPCChatConditionalCollectionBase"/> to copy the values from. If null,
/// no values are copied.</param>
public EditorNPCChatConditionalCollection(NPCChatConditionalCollectionBase source)
{
if (source == null)
return;
var stream = new BitStream(256);
using (var writer = BinaryValueWriter.Create(stream))
{
source.Write(writer);
}
stream.PositionBits = 0;
IValueReader reader = BinaryValueReader.Create(stream);
Read(reader);
}
public ParticleModifier DeepCopy()
{
// Create the deep copy by serializing to/from an IValueWriter
using (var bs = new BitStream())
{
// Write
using (var writer = BinaryValueWriter.Create(bs, false))
{
Write(writer);
}
bs.Position = 0;
// Read
var reader = BinaryValueReader.Create(bs, false);
return Read(reader);
}
}
static void TestSyncNullable(string propertyName, object value)
{
// Get the property
var property = typeof(NullableTestClass).GetProperty(propertyName);
// Set the value and ensure it was set correctly
var cSrc = new NullableTestClass();
property.SetValue(cSrc, value, null);
Assert.AreEqual(value, property.GetValue(cSrc, null));
// Serialize
var bs = new BitStream();
cSrc.Serialize(bs);
// Deserialize
var cDest = new NullableTestClass();
bs.PositionBits = 0;
cDest.Deserialize(bs);
// Check
Assert.AreEqual(value, property.GetValue(cDest, null));
}
public void ExceptionWhenNotSupportsCastOperationsTest()
{
#pragma warning disable 219
object o;
#pragma warning restore 219
var bs = new BitStream(128);
Assert.Throws<MethodAccessException>(() => o = EnumHelper<EVULong>.BitsRequired);
Assert.Throws<MethodAccessException>(() => o = EnumHelper<EVULong>.MaxValue);
Assert.Throws<MethodAccessException>(() => o = EnumHelper<EVULong>.MinValue);
Assert.Throws<MethodAccessException>(() => o = EnumHelper<EVULong>.GetToIntFunc());
Assert.Throws<MethodAccessException>(() => o = EnumHelper<EVULong>.GetFromIntFunc());
Assert.Throws<MethodAccessException>(() => o = EnumHelper<EVULong>.FromInt(1));
Assert.Throws<MethodAccessException>(() => o = EnumHelper<EVULong>.ToInt(EVULong.A));
Assert.Throws<MethodAccessException>(() => EnumHelper<EVULong>.WriteValue(bs, EVULong.A));
Assert.Throws<MethodAccessException>(() => EnumHelper<EVULong>.WriteValue(bs, "test", EVULong.A));
bs.PositionBits = 0;
Assert.Throws<MethodAccessException>(() => o = EnumHelper<EVULong>.ReadValue(bs));
Assert.Throws<MethodAccessException>(() => o = EnumHelper<EVULong>.ReadValue(bs, "test"));
}
/// <summary>
/// Handles <see cref="QuestInfoMessages.AddActiveQuest"/>.
/// </summary>
/// <param name="bs">The <see cref="BitStream"/> to read from.</param>
void ReadAddActiveQuest(BitStream bs)
{
var questID = bs.ReadQuestID();
// Ensure the quest isn't already in the active list
if (_activeQuests.BinarySearch(questID) >= 0)
return;
// Add
_activeQuests.Add(questID);
_activeQuests.Sort();
// Raise events
OnActiveQuestAdded(questID);
if (ActiveQuestAdded != null)
ActiveQuestAdded.Raise(this, EventArgsHelper.Create(questID));
}
/// <summary>
/// Reads the data from the server related to the user quest information. This should only be used by the client.
/// </summary>
/// <param name="bs">The <see cref="BitStream"/> containing the data.</param>
public void Read(BitStream bs)
{
var id = bs.ReadEnum<QuestInfoMessages>();
switch (id)
{
case QuestInfoMessages.AddCompletedQuest:
ReadAddCompletedQuest(bs);
break;
case QuestInfoMessages.AddActiveQuest:
ReadAddActiveQuest(bs);
break;
case QuestInfoMessages.RemoveActiveQuest:
ReadRemoveActiveQuest(bs);
break;
case QuestInfoMessages.LoadInitialValues:
ReadLoadInitialValues(bs);
break;
default:
const string errmsg = "Unknown QuestInfoMessages value `{0}`. Could not parse!";
var err = string.Format(errmsg, id);
log.Fatal(err);
Debug.Fail(err);
return;
}
}
/// <summary>
/// Appends a message to a <see cref="BitStream"/> for synchronizing the client's quest information for when
/// a quest is removed from the active quests.
/// The message is then read and handled by the receiver using <see cref="UserQuestInformation.Read"/>.
/// </summary>
/// <param name="bs">The <see cref="BitStream"/> to append the message to.</param>
/// <param name="questID">The ID of the removed active quest.</param>
public static void WriteRemoveActiveQuest(BitStream bs, QuestID questID)
{
bs.WriteEnum(QuestInfoMessages.RemoveActiveQuest);
bs.Write(questID);
}
/// <summary>
/// Appends a message to a <see cref="BitStream"/> for synchronizing all of the client's quest information.
/// The message is then read and handled by the receiver using <see cref="UserQuestInformation.Read"/>.
/// </summary>
/// <param name="bs">The <see cref="BitStream"/> to append the message to.</param>
/// <param name="completedQuests">All of the completed quests.</param>
/// <param name="activeQuests">All of the active quests.</param>
public static void WriteQuestInfo(BitStream bs, IEnumerable<QuestID> completedQuests, IEnumerable<QuestID> activeQuests)
{
completedQuests = completedQuests.ToImmutable();
activeQuests = activeQuests.ToImmutable();
bs.WriteEnum(QuestInfoMessages.RemoveActiveQuest);
// Write the completed quests
bs.Write((ushort)completedQuests.Count());
foreach (var q in completedQuests)
{
bs.Write(q);
}
// Write the active quests
bs.Write((byte)activeQuests.Count());
foreach (var q in activeQuests)
{
bs.Write(q);
}
}
/// <summary>
/// Appends a message to a <see cref="BitStream"/> for synchronizing the client's quest information for when
/// a quest is completed.
/// The message is then read and handled by the receiver using <see cref="UserQuestInformation.Read"/>.
/// </summary>
/// <param name="bs">The <see cref="BitStream"/> to append the message to.</param>
/// <param name="questID">The ID of the completed quest.</param>
public static void WriteAddCompletedQuest(BitStream bs, QuestID questID)
{
bs.WriteEnum(QuestInfoMessages.AddCompletedQuest);
bs.Write(questID);
}
/// <summary>
/// Handles <see cref="QuestInfoMessages.RemoveActiveQuest"/>.
/// </summary>
/// <param name="bs">The <see cref="BitStream"/> to read from.</param>
void ReadRemoveActiveQuest(BitStream bs)
{
var questID = bs.ReadQuestID();
// Ensure the quest is in the active list
int index;
if ((index = _activeQuests.BinarySearch(questID)) < 0)
return;
Debug.Assert(_activeQuests[index] == questID);
// Remove
_activeQuests.RemoveAt(index);
// Raise events
OnActiveQuestRemoved(questID);
if (ActiveQuestRemoved != null)
ActiveQuestRemoved.Raise(this, EventArgsHelper.Create(questID));
}
/// <summary>
/// Handles <see cref="QuestInfoMessages.LoadInitialValues"/>.
/// </summary>
/// <param name="bs">The <see cref="BitStream"/> to read from.</param>
void ReadLoadInitialValues(BitStream bs)
{
_completedQuests.Clear();
_activeQuests.Clear();
// Read completed quests
var count = bs.ReadByte();
for (var i = 0; i < count; i++)
{
_completedQuests.Add(bs.ReadQuestID());
}
// Read Active quests
count = bs.ReadByte();
for (var i = 0; i < count; i++)
{
_activeQuests.Add(bs.ReadQuestID());
}
// Raise events
OnLoaded();
if (Loaded != null)
Loaded.Raise(this, EventArgs.Empty);
}
/// <summary>
/// Handles <see cref="QuestInfoMessages.AddCompletedQuest"/>.
/// </summary>
/// <param name="bs">The <see cref="BitStream"/> to read from.</param>
void ReadAddCompletedQuest(BitStream bs)
{
var questID = bs.ReadQuestID();
// Ensure the quest isn't already in the completed list
if (_completedQuests.BinarySearch(questID) >= 0)
return;
// Add
_completedQuests.Add(questID);
_completedQuests.Sort();
// Raise events
OnCompletedQuestAdded(questID);
if (CompletedQuestAdded != null)
CompletedQuestAdded.Raise(this, EventArgsHelper.Create(questID));
}
void RecvGetOnlineUsers(IIPSocket conn, BitStream r)
{
User myUser;
if ((myUser = TryGetUser(conn)) == null)
return;
var allUsers = Server.World.GetUsers();
var orderedUsers = allUsers.OrderBy(x => !x.Permissions.IsSet(UserPermissions.None)).ThenBy(x => x.Name).ToList();
string onlineUsers = string.Empty;
foreach (var user in orderedUsers)
{
if (myUser == user)
continue;
onlineUsers += user.Name + ";";
}
using (var pw = ServerPacket.ReceiveAllUsers(onlineUsers))
{
myUser.Send(pw, ServerMessageType.GUI);
}
}
/// <summary>
/// Sends data to the other end of the connection.
/// </summary>
/// <param name="data">Data to send.</param>
/// <param name="deliveryMethod">The method to use to deliver the message. This determines how reliability, ordering,
/// and sequencing will be handled.</param>
/// <param name="sequenceChannel">The sequence channel to use to deliver the message. Only valid when
/// <paramref name="deliveryMethod"/> is not equal to <see cref="NetDeliveryMethod.Unreliable"/> or
/// <see cref="NetDeliveryMethod.ReliableUnordered"/>. Must also be a value greater than or equal to 0 and
/// less than <see cref="NetConstants.NetChannelsPerDeliveryMethod"/>.</param>
/// <returns>
/// True if the <paramref name="data"/> was successfully enqueued for sending; otherwise false.
/// </returns>
/// <exception cref="NetException"><paramref name="deliveryMethod"/> equals <see cref="NetDeliveryMethod.Unreliable"/>
/// or <see cref="NetDeliveryMethod.ReliableUnordered"/> and <paramref name="sequenceChannel"/> is non-zero.</exception>
/// <exception cref="NetException"><paramref name="sequenceChannel"/> is less than 0 or greater than or equal to
/// <see cref="NetConstants.NetChannelsPerDeliveryMethod"/>.</exception>
/// <exception cref="NetException"><paramref name="deliveryMethod"/> equals <see cref="NetDeliveryMethod.Unknown"/>.</exception>
public bool Send(BitStream data, NetDeliveryMethod deliveryMethod, int sequenceChannel = 0)
{
var sock = RemoteSocket;
if (sock == null)
{
const string errmsg = "Could not send data - connection not established!";
if (log.IsErrorEnabled)
log.Error(errmsg);
Debug.Fail(errmsg);
return false;
}
try
{
var ret = sock.Send(data, deliveryMethod, sequenceChannel);
if (!ret)
Debug.Fail("Sending to server failed.");
return ret;
}
catch (Exception ex)
{
const string errmsg = "Failed to send data. Exception: {0}";
if (log.IsErrorEnabled)
log.ErrorFormat(errmsg, ex);
Debug.Fail(string.Format(errmsg, ex));
return false;
}
}
/// <summary>
/// Attempts to connects to the server.
/// </summary>
/// <param name="host">The server address.</param>
/// <param name="port">The server port.</param>
/// <param name="approvalMessage">The initial message to send to the server when making the connection. This can
/// be utilized by the server to provide additional information for determining whether or not to accept the connection.
/// Or, can be null to send nothing.</param>
/// <returns>
/// True if the connection attempt was successfully started. Does not mean that the connection was established, but
/// just that it can be attempted. Will return false if a connection is already established or being established.
/// </returns>
public bool Connect(string host, int port, BitStream approvalMessage = null)
{
if (_local.ConnectionsCount > 0)
return false;
NetConnection conn;
if (approvalMessage != null && approvalMessage.LengthBits > 0)
{
// Connect with approval message
var netOutMsg = SocketHelper.GetNetOutgoingMessage(_local, approvalMessage.LengthBytes);
approvalMessage.CopyTo(netOutMsg);
conn = _local.Connect(host, port, netOutMsg);
}
else
{
// Connect without approval message
conn = _local.Connect(host, port);
}
// Check if connection successful
if (conn == null)
{
Debug.Fail("conn is null. Why?");
return false;
}
// Store the remote connection as an IPSocket
_remote = IPSocket.Create(conn);
return true;
}
void RecvSaveFriends(IIPSocket conn, BitStream r)
{
var account = TryGetAccount(conn);
if (account == null)
return;
account.SetFriends(r.ReadString());
}
/// <summary>
/// When overridden in the derived class, allows for handling received data from an <see cref="IIPSocket"/>.
/// </summary>
/// <param name="sender">The <see cref="IIPSocket"/> that the data came from.</param>
/// <param name="data">The data that was received. This <see cref="BitStream"/> instance is reused internally, so it
/// is vital that you do NOT hold a reference to it when this method returns. This should be no problem since you should
/// not be holding onto raw received data anyways, but if you must, you can always make a deep copy.</param>
protected virtual void OnReceiveData(IIPSocket sender, BitStream data)
{
}
void RecvSendPrivateMessage(IIPSocket conn, BitStream r)
{
string TargetName = r.ReadString();
string Text = r.ReadString();
// Get the user to send the message to
User TargetChar = World.FindUser(TargetName);
string PrivateMessage = TargetName + " Says: " + Text;
using (var pw = ServerPacket.ReceivePrivateMessage(PrivateMessage))
{
TargetChar.Send(pw, ServerMessageType.GUIChat);
}
}
