Esempio n. 1
0
 /// <summary>
 /// Sends changes notifications to the connected profile server.
 /// </summary>
 /// <param name="Change">Change to send.</param>
 /// <returns>true if the function succeeds, false otherwise.</returns>
 public async Task <bool> SendChangeNotification(NeighbourhoodChange Change)
 {
     return(await SendChangeNotifications(new List <NeighbourhoodChange>() { Change }));
 }
        /// <summary>
        /// Removes servers from the profile server's neighborhood.
        /// </summary>
        /// <param name="NeighborhoodList">List of servers to cancel neighbor connection with..</param>
        /// <returns>true if the function succeeds, false otherwise.</returns>
        public bool CancelNeighborhood(List <ProfileServer> NeighborhoodList)
        {
            log.Trace("(NeighborhoodList.Count:{0})", NeighborhoodList.Count);

            List <NeighbourhoodChange> changes = new List <NeighbourhoodChange>();
            bool res = false;

            lock (neighborsLock)
            {
                foreach (ProfileServer ps in NeighborhoodList)
                {
                    // Do not process your own profile server.
                    if (ps.Name == profileServer.Name)
                    {
                        continue;
                    }

                    ps.Lock();
                    if (ps.IsInitialized())
                    {
                        // Ignore servers that are not in the neighborhood.
                        if (neighbors.ContainsKey(ps.Name))
                        {
                            neighbors.Remove(ps.Name);
                            log.Trace("Profile server '{0}' removed from the neighborhood of server '{1}'.", ps.Name, profileServer.Name);

                            // This neighbor server already runs, so we know its profile
                            // we can inform our profile server about it.
                            NeighbourhoodChange change = new NeighbourhoodChange();
                            change.RemovedNodeId = ProtocolHelper.ByteArrayToByteString(ps.GetNetworkId());
                            changes.Add(change);
                        }
                    }
                    else
                    {
                        // This neighbor server does not run yet, so we do not have its profile.
                        // We will uninstall a possibly installed event.
                        log.Debug("Profile server '{0}' is not initialized yet, uninstalling notification for server '{1}'.", ps.Name, profileServer.Name);
                        ps.UninstallInitializationNeighborhoodNotification(profileServer);
                    }
                    ps.Unlock();
                }
            }

            if ((connectedProfileServer != null) && connectedProfileServerWantsUpdates)
            {
                // If our profile server is running already, removing servers to its neighborhood
                // ends with sending update notification to the profile server.
                if (changes.Count > 0)
                {
                    log.Debug("Sending {0} neighborhood changes to profile server '{1}'.", changes.Count, profileServer.Name);
                    LocProtocolMessage message = connectedProfileServerMessageBuilder.CreateNeighbourhoodChangedNotificationRequest(changes);
                    res = SendMessageAsync(connectedProfileServer, message).Result;
                }
                else
                {
                    log.Debug("No neighborhood changes to send to profile server '{0}'.", profileServer.Name);
                    res = true;
                }
            }
            else
            {
                // Our profile server is not started/connected yet, which means we just modified its neighborhood,
                // and the information about its neighborhood will be send to it once it sends us GetNeighbourNodesByDistanceLocalRequest.
                log.Debug("Profile server '{0}' is not connected or not fully initialized yet, can't send changes.", profileServer.Name);
                res = true;
            }

            log.Trace("(-):{0}", res);
            return(res);
        }
Esempio n. 3
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        /// <summary>
        /// Implementation of the test itself.
        /// </summary>
        /// <returns>true if the test passes, false otherwise.</returns>
        public override async Task <bool> RunAsync()
        {
            IPAddress ServerIp    = (IPAddress)ArgumentValues["Server IP"];
            int       PrimaryPort = (int)ArgumentValues["primary Port"];
            int       BasePort    = (int)ArgumentValues["Base Port"];
            int       LocPort     = (int)ArgumentValues["LOC Port"];

            log.Trace("(ServerIp:'{0}',PrimaryPort:{1},BasePort:{2},LocPort:{3})", ServerIp, PrimaryPort, BasePort, LocPort);

            bool res = false;

            Passed = false;

            ProtocolClient client        = new ProtocolClient();
            ProfileServer  profileServer = null;
            LocServer      locServer     = null;

            try
            {
                MessageBuilder mb = client.MessageBuilder;

                // Step 1
                log.Trace("Step 1");

                profileServer = new ProfileServer("TestProfileServer", ServerIp, BasePort, client.GetIdentityKeys(), new ProfileServerProtocol.GpsLocation(1, 2));
                bool profileServerStartOk = profileServer.Start();


                locServer = new LocServer("TestLocServer", ServerIp, LocPort);
                bool locServerStartOk = locServer.Start();

                await locServer.WaitForProfileServerConnectionAsync();

                bool step1Ok = profileServerStartOk && locServerStartOk;
                log.Trace("Step 1: {0}", step1Ok ? "PASSED" : "FAILED");


                // Step 2
                log.Trace("Step 2");

                NeighbourhoodChange change = new NeighbourhoodChange()
                {
                    AddedNodeInfo = profileServer.GetNodeInfo(LocPort)
                };

                bool changeNotificationOk = await locServer.SendChangeNotification(change);

                IncomingServerMessage incomingServerMessage = await profileServer.WaitForConversationRequest(ServerRole.ServerNeighbor, ConversationRequest.RequestTypeOneofCase.StartNeighborhoodInitialization);

                Iop.Profileserver.Message finishRequest = await profileServer.SendFinishNeighborhoodInitializationRequest(incomingServerMessage.Client);

                incomingServerMessage = await profileServer.WaitForResponse(ServerRole.ServerNeighbor, finishRequest);

                bool statusOk = incomingServerMessage.IncomingMessage.Response.Status == Iop.Profileserver.Status.Ok;

                bool step2Ok = changeNotificationOk && (finishRequest != null) && statusOk;
                log.Trace("Step 2: {0}", step2Ok ? "PASSED" : "FAILED");


                Passed = step1Ok && step2Ok;

                res = true;
            }
            catch (Exception e)
            {
                log.Error("Exception occurred: {0}", e.ToString());
            }
            client.Dispose();

            foreach (ProtocolClient protocolClient in TestProfiles.Values)
            {
                protocolClient.Dispose();
            }

            if (profileServer != null)
            {
                profileServer.Shutdown();
            }
            if (locServer != null)
            {
                locServer.Shutdown();
            }

            log.Trace("(-):{0}", res);
            return(res);
        }
Esempio n. 4
0
        /// <summary>
        /// Adds neighbors to the profile server.
        /// </summary>
        /// <param name="NeighborhoodList">List of all servers in the new neighborhood.</param>
        /// <returns>true if the function succeeds, false otherwise.</returns>
        public bool AddNeighborhood(List <ProfileServer> NeighborhoodList)
        {
            log.Trace("(NeighborhoodList.Count:{0})", NeighborhoodList.Count);

            List <NeighbourhoodChange> changes = new List <NeighbourhoodChange>();
            bool res = false;

            lock (neighborsLock)
            {
                foreach (ProfileServer ps in NeighborhoodList)
                {
                    // Do not add your own profile server.
                    if (ps.Name == profileServer.Name)
                    {
                        continue;
                    }

                    // Ignore neighbors that we already have in the list.
                    if (neighbors.ContainsKey(ps.Name))
                    {
                        log.Debug("Profile server '{0}' already has '{1}' as its neighbor.", profileServer.Name, ps.Name);
                        continue;
                    }

                    ps.Lock();
                    if (ps.IsInitialized())
                    {
                        neighbors.Add(ps.Name, ps);
                        log.Debug("Profile server '{0}' added to the neighborhood of server '{1}'.", ps.Name, profileServer.Name);

                        // This neighbor server already runs, so we know its profile
                        // we can inform our profile server about it.
                        NeighbourhoodChange change = new NeighbourhoodChange();
                        change.AddedNodeInfo = ps.GetNodeInfo();
                        changes.Add(change);
                    }
                    else
                    {
                        // This neighbor server does not run yet, so we do not have its profile.
                        // We will install an event to be triggered when this server starts.
                        log.Debug("Profile server '{0}' is not initialized yet, installing notification for server '{1}'.", ps.Name, profileServer.Name);
                        ps.InstallInitializationNeighborhoodNotification(profileServer);
                    }
                    ps.Unlock();
                }
            }

            if ((connectedProfileServer != null) && connectedProfileServerWantsUpdates)
            {
                // If our profile server is running already, adding servers to its neighborhood
                // ends with sending update notification to the profile server.
                if (changes.Count > 0)
                {
                    log.Debug("Sending {0} neighborhood changes to profile server '{1}'.", changes.Count, profileServer.Name);
                    Message message = connectedProfileServerMessageBuilder.CreateNeighbourhoodChangedNotificationRequest(changes);
                    res = SendMessageAsync(connectedProfileServer, message).Result;
                }
                else
                {
                    log.Debug("No neighborhood changes to send to profile server '{0}'.", profileServer.Name);
                    res = true;
                }
            }
            else
            {
                // Our profile server is not started/connected yet, which means we just modified its neighborhood,
                // and the information about its neighborhood will be send to it once it sends us GetNeighbourNodesByDistanceLocalRequest.
                log.Debug("Profile server '{0}' is not connected or not fully initialized yet, can't send changes.", profileServer.Name);
                res = true;
            }

            log.Trace("(-):{0}", res);
            return(res);
        }