/// <summary>
/// Sends an <see cref="ExtendSessionPacket"/> to the server to extend the current session.
/// </summary>
/// <param name="sessionId">Session ID</param>
private void sendExtendSessionPacket(string sessionId)
{
RaiseLogEntry(new LogEventArgs("Sending ExtendSessionPacket", LogLevel.DEBUG));
// Create and pack a session extension packet
ExtendSessionPacket packet = new ExtendSessionPacket
{
SessionId = sessionId
};
Any packedPacket = ProtobufPacketHelper.Pack(packet);
// Send it on its way
netClient.Send(MODULE_NAME, packedPacket.ToByteArray());
}
/// <summary>
/// Handles incoming <see cref="ExtendSessionPacket"/>s from clients trying to extend their session expiry.
/// </summary>
/// <param name="connectionId">Original connection ID</param>
/// <param name="packet">Incoming <see cref="ExtendSessionPacket"/></param>
private void extendSessionPacketHandler(string connectionId, ExtendSessionPacket packet)
{
// Lock the sessions dictionary to prevent other threads from messing with it
lock (sessionsLock)
{
// Make sure the session is still valid
if (IsAuthenticated(connectionId, packet.SessionId))
{
// Extend the session expiry to 30 minutes from now
sessions[connectionId].Expiry = DateTime.UtcNow + TimeSpan.FromMinutes(30);
// Send a successful response
sendSuccessfulExtendSessionResponsePacket(connectionId, sessions[connectionId].Expiry);
}
else
{
// Send a failed response
sendFailedExtendSessionResponsePacket(connectionId);
}
}
}
