public LinkNode(OpLink link, LinkTree parent)
{
Link = link;
ParentView = parent;
Trust = parent.Trust;
Locations = parent.Core.Locations;
UpdateStatus();
}
public PlanNode( ScheduleView view, OpLink link, bool local)
{
View = view;
Link = link;
if (local)
Font = new System.Drawing.Font("Tahoma", 8.25F, System.Drawing.FontStyle.Bold);
SubItems.Add(new BlockRow(this));
UpdateName();
UpdateBlock();
}
private OpLink TraverseUp(OpLink link, int distance)
{
// needs to get unconfiremd ids so unconfirmed above / below are updated with link status
if (distance == 0)
return link;
int traverse = 0;
OpLink uplink = link.GetHigher(false);
while (uplink != null)
{
traverse++;
if (traverse == distance)
return uplink;
uplink = uplink.GetHigher(false);
}
return null;
}
private void RemoveDownlink(OpLink downlink)
{
if (Downlinks.Contains(downlink))
Downlinks.Remove(downlink);
// uplink requests are invalidated on verion update also
// not the local ones, but the ones this link issued to previous uplink
foreach (UplinkRequest request in Requests)
if (request.KeyID == downlink.UserID)
{
Requests.Remove(request);
break;
}
}
private void LinkupRequest(OpLink remoteLink)
{
// create uplink request, publish
UplinkRequest request = new UplinkRequest();
request.ProjectID = remoteLink.Project;
request.LinkVersion = LocalTrust.File.Header.Version;
request.TargetVersion = remoteLink.Trust.File.Header.Version;
request.Key = LocalTrust.File.Key;
request.KeyID = LocalTrust.UserID;
request.Target = remoteLink.Trust.File.Key;
request.TargetID = remoteLink.UserID;
byte[] signed = SignedData.Encode(Network.Protocol, Core.User.Settings.KeyPair, request);
if(Network.Established)
Store.PublishNetwork(request.TargetID, ServiceID, DataTypeFile, signed);
// store locally
Process_UplinkReq(null, new SignedData(Network.Protocol, Core.User.Settings.KeyPair, request), request);
// publish at neighbors so they are aware of request status
List<LocationData> locations = new List<LocationData>();
GetLocs(Core.UserID, remoteLink.Project, 1, 1, locations);
GetLocsBelow(Core.UserID, remoteLink.Project, locations);
Store.PublishDirect(locations, request.TargetID, ServiceID, DataTypeFile, signed);
}
private void GetLinkLocs(OpLink parent, int depth, List<LocationData> locations)
{
AddLinkLocations(parent, locations);
if (depth > 0)
foreach (OpLink child in parent.Downlinks)
if (!parent.IsLoopedTo(child))
GetLinkLocs(child, depth - 1, locations);
}
void DoToBranch(Action<OpLink> action, OpLink link, int depth)
{
action(link);
if (depth > 0)
foreach (OpLink downlink in link.Downlinks)
DoToBranch(action, downlink, depth - 1);
}
public void Reset()
{
// find nodes we're uplinked to and remove ourselves from their downlink list
ResetUplink();
// only clear downlinks that are no longer uplinked to us
List<OpLink> remove = new List<OpLink>();
foreach (OpLink downlink in Downlinks)
if (downlink.Uplink == null || downlink.Uplink != this)
remove.Add(downlink);
foreach (OpLink downlink in remove)
Downlinks.Remove(downlink);
Active = false;
Uplink = null;
Titles.Clear();
Confirmed.Clear();
}
private void AddRoot(OpLink link)
{
ThreadedList<OpLink> roots = null;
if (!ProjectRoots.SafeTryGetValue(link.Project, out roots))
{
roots = new ThreadedList<OpLink>();
ProjectRoots.SafeAdd(link.Project, roots);
}
if (!roots.SafeContains(link)) // possible it wasnt removed above because link might not be part of project locally but others think it does (uplink)
roots.SafeAdd(link);
}
private bool AddLinkLocations(OpLink link, List<LocationData> locations)
{
List<ClientInfo> clients = Core.Locations.GetClients(link.UserID);
foreach (ClientInfo info in clients)
{
if (info.Data.UserID == Core.UserID && info.Data.Source.ClientID == Core.Network.Local.ClientID)
continue;
if (!locations.Contains(info.Data))
locations.Add(info.Data);
}
return (locations.Count > 0);
}
private OpLink GetTreeHigher(OpLink link)
{
if (link.LoopRoot != null)
return link.LoopRoot;
return link.GetHigher(false);
}
private PlanNode CreateNode(OpLink link)
{
PlanNode node = new PlanNode(this, link, link.UserID == UserID);
NodeMap[link.UserID] = node;
return node;
}
private void SetupRoot(OpLink root)
{
LinkNode node = CreateNode(root);
LoadRoot(node);
List<ulong> uplinks = Trust.GetUnconfirmedUplinkIDs(Core.UserID, Project);
uplinks.Add(Core.UserID);
ExpandPath(node, uplinks);
node.Expand(); // expand first level of roots regardless
}
public void AddProject(uint project, bool active)
{
OpLink link = GetLink(project);
if (link == null)
{
link = new OpLink(this, project);
Links.Add(project, link);
}
// setting project to non-active has to be done manually
if(!link.Active) // only allow false->true, not true->false
link.Active = active;
}
public bool IsLoopedTo(OpLink test)
{
if (test.LoopRoot != null && test.LoopRoot == LoopRoot)
return true;
return false;
}
public bool IsLooped(OpLink local)
{
// this function is the same as getUplinkIDs with minor mods
List<ulong> list = new List<ulong>();
OpLink uplink = local.GetHigher(false);
while (uplink != null)
{
// if loop lead back to self, link is in loop
if (uplink == local)
return true;
// if there is a loop higher up, but link is not in it, return
if (list.Contains(uplink.UserID))
return false;
list.Add(uplink.UserID);
uplink = uplink.GetHigher(false);
}
return false;
}
private LinkNode CreateNode(OpLink link)
{
LinkNode node = new LinkNode(link, this);
NodeMap[link.UserID] = node;
return node;
}