public static UplinkRequest Decode(G2Header root)
{
UplinkRequest request = new UplinkRequest();
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(child))
{
continue;
}
switch (child.Name)
{
case Packet_ProjectID:
request.ProjectID = BitConverter.ToUInt32(child.Data, child.PayloadPos);
break;
case Packet_LinkVersion:
request.LinkVersion = BitConverter.ToUInt32(child.Data, child.PayloadPos);
break;
case Packet_TargetVersion:
request.TargetVersion = BitConverter.ToUInt32(child.Data, child.PayloadPos);
break;
case Packet_Key:
request.Key = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
request.KeyID = Utilities.KeytoID(request.Key);
break;
case Packet_Target:
request.Target = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
request.TargetID = Utilities.KeytoID(request.Target);
break;
}
}
return(request);
}
private void Process_UplinkReq(DataReq data, SignedData signed, UplinkRequest request)
{
Core.IndexKey(request.KeyID, ref request.Key);
Core.IndexKey(request.TargetID, ref request.Target);
if (!Utilities.CheckSignedData(request.Key, signed.Data, signed.Signature))
return;
OpTrust requesterTrust = GetTrust(request.KeyID);
if (requesterTrust != null && requesterTrust.Loaded && requesterTrust.File.Header.Version > request.LinkVersion)
return;
// check if target in linkmap, if not add
OpTrust targetTrust = GetTrust(request.TargetID);
if (targetTrust == null)
{
targetTrust = new OpTrust(new OpVersionedFile(request.Target) );
TrustMap.SafeAdd(request.TargetID, targetTrust);
}
if (targetTrust.Loaded && targetTrust.File.Header.Version > request.TargetVersion)
return;
request.Signed = signed.Encode(Network.Protocol); // so we can send it in results / save, later on
// check for duplicate requests
OpLink targetLink = targetTrust.GetLink(request.ProjectID);
if (targetLink != null)
{
foreach (UplinkRequest compare in targetLink.Requests)
if (Utilities.MemCompare(compare.Signed, request.Signed))
return;
}
else
{
targetTrust.AddProject(request.ProjectID, true);
targetLink = targetTrust.GetLink(request.ProjectID);
}
// add
targetLink.Requests.Add(request);
// if target is marked as linked or focused, update link of target and sender
if (targetTrust.Loaded && (targetTrust.InLocalLinkTree || Core.KeepData.SafeContainsKey(targetTrust.UserID)))
{
if (targetTrust.File.Header.Version < request.TargetVersion)
Cache.Research(targetTrust.UserID);
if (requesterTrust == null)
{
requesterTrust = new OpTrust(new OpVersionedFile(request.Key));
TrustMap.SafeAdd(request.KeyID, requesterTrust);
}
// once new version of requester's link file has been downloaded, interface will be updated
if (!requesterTrust.Loaded || (requesterTrust.File.Header.Version < request.LinkVersion))
Cache.Research(requesterTrust.UserID);
}
RunSaveUplinks = true;
}
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);
}
public static UplinkRequest Decode(G2Header root)
{
UplinkRequest request = new UplinkRequest();
G2Header child = new G2Header(root.Data);
while (G2Protocol.ReadNextChild(root, child) == G2ReadResult.PACKET_GOOD)
{
if (!G2Protocol.ReadPayload(child))
continue;
switch (child.Name)
{
case Packet_ProjectID:
request.ProjectID = BitConverter.ToUInt32(child.Data, child.PayloadPos);
break;
case Packet_LinkVersion:
request.LinkVersion = BitConverter.ToUInt32(child.Data, child.PayloadPos);
break;
case Packet_TargetVersion:
request.TargetVersion = BitConverter.ToUInt32(child.Data, child.PayloadPos);
break;
case Packet_Key:
request.Key = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
request.KeyID = Utilities.KeytoID(request.Key);
break;
case Packet_Target:
request.Target = Utilities.ExtractBytes(child.Data, child.PayloadPos, child.PayloadSize);
request.TargetID = Utilities.KeytoID(request.Target);
break;
}
}
return request;
}
