public void Parse_Throws_MessageException_On_Code_Mismatch()
{
var msg = new MessageBuilder()
.WriteCode(MessageCode.Server.JoinRoom)
.Build();
var ex = Record.Exception(() => RoomLeftNotification.FromByteArray(msg));
Assert.NotNull(ex);
Assert.IsType <MessageException>(ex);
}
public void Parse_Returns_Expected_Data(string roomName, string username)
{
var builder = new MessageBuilder()
.WriteCode(MessageCode.Server.UserLeftRoom)
.WriteString(roomName)
.WriteString(username);
var response = RoomLeftNotification.FromByteArray(builder.Build());
Assert.Equal(roomName, response.RoomName);
Assert.Equal(username, response.Username);
}
public void Parse_Throws_MessageReadException_On_Missing_Data()
{
var msg = new MessageBuilder()
.WriteCode(MessageCode.Server.UserLeftRoom)
.WriteInteger(1)
.Build();
var ex = Record.Exception(() => RoomLeftNotification.FromByteArray(msg));
Assert.NotNull(ex);
Assert.IsType <MessageReadException>(ex);
}
/// <summary>
/// Handles incoming messages.
/// </summary>
/// <param name="sender">The <see cref="IMessageConnection"/> instance from which the message originated.</param>
/// <param name="message">The message.</param>
public async void HandleMessageRead(object sender, byte[] message)
{
var code = new MessageReader <MessageCode.Server>(message).ReadCode();
if (code != MessageCode.Server.SearchRequest)
{
Diagnostic.Debug($"Server message received: {code}");
}
try
{
switch (code)
{
case MessageCode.Server.ParentMinSpeed:
case MessageCode.Server.ParentSpeedRatio:
case MessageCode.Server.WishlistInterval:
case MessageCode.Server.CheckPrivileges:
SoulseekClient.Waiter.Complete(new WaitKey(code), IntegerResponse.FromByteArray <MessageCode.Server>(message));
break;
case MessageCode.Server.NewPassword:
var confirmedPassword = NewPassword.FromByteArray(message).Password;
SoulseekClient.Waiter.Complete(new WaitKey(code), confirmedPassword);
break;
case MessageCode.Server.GlobalAdminMessage:
var msg = GlobalMessageNotification.FromByteArray(message);
GlobalMessageReceived?.Invoke(this, new GlobalMessageReceivedEventArgs(msg));
break;
case MessageCode.Server.Ping:
SoulseekClient.Waiter.Complete(new WaitKey(code));
break;
case MessageCode.Server.Login:
SoulseekClient.Waiter.Complete(new WaitKey(code), LoginResponse.FromByteArray(message));
break;
case MessageCode.Server.RoomList:
var roomList = RoomListResponse.FromByteArray(message);
SoulseekClient.Waiter.Complete(new WaitKey(code), roomList);
RoomListReceived?.Invoke(this, new RoomListReceivedEventArgs(roomList));
break;
case MessageCode.Server.PrivilegedUsers:
var privilegedUserList = PrivilegedUserListNotification.FromByteArray(message);
SoulseekClient.Waiter.Complete(new WaitKey(code), privilegedUserList);
PrivilegedUserListReceived?.Invoke(this, new PrivilegedUserListReceivedEventArgs(privilegedUserList));
break;
case MessageCode.Server.AddPrivilegedUser:
PrivilegeNotificationReceived?.Invoke(this, new PrivilegeNotificationReceivedEventArgs(PrivilegedUserNotification.FromByteArray(message)));
break;
case MessageCode.Server.NotifyPrivileges:
var pn = PrivilegeNotification.FromByteArray(message);
PrivilegeNotificationReceived?.Invoke(this, new PrivilegeNotificationReceivedEventArgs(pn.Username, pn.Id));
if (SoulseekClient.Options.AutoAcknowledgePrivilegeNotifications)
{
await SoulseekClient.AcknowledgePrivilegeNotificationAsync(pn.Id, CancellationToken.None).ConfigureAwait(false);
}
break;
case MessageCode.Server.UserPrivileges:
var privilegeResponse = UserPrivilegeResponse.FromByteArray(message);
SoulseekClient.Waiter.Complete(new WaitKey(code, privilegeResponse.Username), privilegeResponse.IsPrivileged);
break;
case MessageCode.Server.NetInfo:
var netInfo = NetInfoNotification.FromByteArray(message);
try
{
var parents = netInfo.Parents.Select(parent => (parent.Username, new IPEndPoint(parent.IPAddress, parent.Port)));
await SoulseekClient.DistributedConnectionManager.AddParentConnectionAsync(parents).ConfigureAwait(false);
}
catch (Exception ex)
{
Diagnostic.Debug($"Error handling NetInfo message: {ex.Message}");
}
break;
case MessageCode.Server.ConnectToPeer:
ConnectToPeerResponse connectToPeerResponse = default;
try
{
connectToPeerResponse = ConnectToPeerResponse.FromByteArray(message);
if (connectToPeerResponse.Type == Constants.ConnectionType.Transfer)
{
Diagnostic.Debug($"Received transfer ConnectToPeer request from {connectToPeerResponse.Username} ({connectToPeerResponse.IPEndPoint}) for remote token {connectToPeerResponse.Token}");
// ensure that we are expecting at least one file from this user before we connect. the response
// doesn't contain any other identifying information about the file.
if (!SoulseekClient.Downloads.IsEmpty && SoulseekClient.Downloads.Values.Any(d => d.Username == connectToPeerResponse.Username))
{
var(connection, remoteToken) = await SoulseekClient.PeerConnectionManager.GetTransferConnectionAsync(connectToPeerResponse).ConfigureAwait(false);
var download = SoulseekClient.Downloads.Values.FirstOrDefault(v => v.RemoteToken == remoteToken && v.Username == connectToPeerResponse.Username);
if (download != default(TransferInternal))
{
Diagnostic.Debug($"Solicited inbound transfer connection to {download.Username} ({connection.IPEndPoint}) for token {download.Token} (remote: {download.RemoteToken}) established. (id: {connection.Id})");
SoulseekClient.Waiter.Complete(new WaitKey(Constants.WaitKey.IndirectTransfer, download.Username, download.Filename, download.RemoteToken), connection);
}
else
{
Diagnostic.Debug($"Transfer ConnectToPeer request from {connectToPeerResponse.Username} ({connectToPeerResponse.IPEndPoint}) for remote token {connectToPeerResponse.Token} does not match any waiting downloads, discarding.");
connection.Disconnect($"Unknown transfer");
}
}
else
{
throw new SoulseekClientException($"Unexpected transfer request from {connectToPeerResponse.Username} ({connectToPeerResponse.IPEndPoint}); Ignored");
}
}
else if (connectToPeerResponse.Type == Constants.ConnectionType.Peer)
{
Diagnostic.Debug($"Received message ConnectToPeer request from {connectToPeerResponse.Username} ({connectToPeerResponse.IPEndPoint})");
await SoulseekClient.PeerConnectionManager.GetOrAddMessageConnectionAsync(connectToPeerResponse).ConfigureAwait(false);
}
else if (connectToPeerResponse.Type == Constants.ConnectionType.Distributed)
{
Diagnostic.Debug($"Received distributed ConnectToPeer request from {connectToPeerResponse.Username} ({connectToPeerResponse.IPEndPoint})");
await SoulseekClient.DistributedConnectionManager.AddChildConnectionAsync(connectToPeerResponse).ConfigureAwait(false);
}
else
{
throw new MessageException($"Unknown Connect To Peer connection type '{connectToPeerResponse.Type}'");
}
}
catch (Exception ex)
{
Diagnostic.Debug($"Error handling ConnectToPeer response from {connectToPeerResponse?.Username} ({connectToPeerResponse?.IPEndPoint}): {ex.Message}");
}
break;
case MessageCode.Server.AddUser:
var addUserResponse = AddUserResponse.FromByteArray(message);
SoulseekClient.Waiter.Complete(new WaitKey(code, addUserResponse.Username), addUserResponse);
break;
case MessageCode.Server.GetStatus:
var statsResponse = UserStatusResponse.FromByteArray(message);
SoulseekClient.Waiter.Complete(new WaitKey(code, statsResponse.Username), statsResponse);
UserStatusChanged?.Invoke(this, new UserStatusChangedEventArgs(statsResponse));
break;
case MessageCode.Server.PrivateMessage:
var pm = PrivateMessageNotification.FromByteArray(message);
PrivateMessageReceived?.Invoke(this, new PrivateMessageReceivedEventArgs(pm));
if (SoulseekClient.Options.AutoAcknowledgePrivateMessages)
{
await SoulseekClient.AcknowledgePrivateMessageAsync(pm.Id, CancellationToken.None).ConfigureAwait(false);
}
break;
case MessageCode.Server.GetPeerAddress:
var peerAddressResponse = UserAddressResponse.FromByteArray(message);
SoulseekClient.Waiter.Complete(new WaitKey(code, peerAddressResponse.Username), peerAddressResponse);
break;
case MessageCode.Server.JoinRoom:
var roomData = RoomJoinResponse.FromByteArray(message);
SoulseekClient.Waiter.Complete(new WaitKey(code, roomData.Name), roomData);
break;
case MessageCode.Server.LeaveRoom:
var leaveRoomResponse = RoomLeaveResponse.FromByteArray(message);
SoulseekClient.Waiter.Complete(new WaitKey(code, leaveRoomResponse.RoomName));
break;
case MessageCode.Server.SayInChatRoom:
var roomMessage = RoomMessageNotification.FromByteArray(message);
RoomMessageReceived?.Invoke(this, new RoomMessageReceivedEventArgs(roomMessage));
break;
case MessageCode.Server.UserJoinedRoom:
var joinNotification = RoomJoinedNotification.FromByteArray(message);
RoomJoined?.Invoke(this, new RoomJoinedEventArgs(joinNotification));
break;
case MessageCode.Server.UserLeftRoom:
var leftNotification = RoomLeftNotification.FromByteArray(message);
RoomLeft?.Invoke(this, new RoomLeftEventArgs(leftNotification));
break;
case MessageCode.Server.KickedFromServer:
KickedFromServer?.Invoke(this, EventArgs.Empty);
break;
case MessageCode.Server.FileSearch:
var searchRequest = ServerSearchRequest.FromByteArray(message);
// sometimes (most of the time?) a room search will result in a request to ourselves (assuming we are
// joined to it)
if (searchRequest.Username == SoulseekClient.Username)
{
break;
}
SearchResponse searchResponse;
if (SoulseekClient.Options.SearchResponseResolver == default)
{
break;
}
try
{
searchResponse = await SoulseekClient.Options.SearchResponseResolver(searchRequest.Username, searchRequest.Token, SearchQuery.FromText(searchRequest.Query)).ConfigureAwait(false);
if (searchResponse != null && searchResponse.FileCount + searchResponse.LockedFileCount > 0)
{
var endpoint = await SoulseekClient.GetUserEndPointAsync(searchRequest.Username).ConfigureAwait(false);
var peerConnection = await SoulseekClient.PeerConnectionManager.GetOrAddMessageConnectionAsync(searchRequest.Username, endpoint, CancellationToken.None).ConfigureAwait(false);
await peerConnection.WriteAsync(searchResponse.ToByteArray()).ConfigureAwait(false);
}
}
catch (Exception ex)
{
Diagnostic.Warning($"Error resolving search response for query '{searchRequest.Query}' requested by {searchRequest.Username} with token {searchRequest.Token}: {ex.Message}", ex);
}
break;
// if we fail to connect to a distributed parent in a timely manner, the server will begin to send us distributed search requests directly.
// forward these to the distributed message handler.
case MessageCode.Server.SearchRequest:
SoulseekClient.DistributedMessageHandler.HandleMessageRead(SoulseekClient.ServerConnection, message);
break;
default:
Diagnostic.Debug($"Unhandled server message: {code}; {message.Length} bytes");
break;
}
}
catch (Exception ex)
{
Diagnostic.Warning($"Error handling server message: {code}; {ex.Message}", ex);
}
}
/// <summary>
/// Initializes a new instance of the <see cref="RoomLeftEventArgs"/> class.
/// </summary>
/// <param name="notification">The notification which raised the event.</param>
internal RoomLeftEventArgs(RoomLeftNotification notification)
: this(notification.RoomName, notification.Username)
{
}
