/// <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);
}
/// <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);
}
/// <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);
}
