public void CheckNativeGroupResponse(object o)
{
string groupident = (string)o;
if (this.pendingNativeGroupResponses.Count == 0)
return;
Console.WriteLine("Reader{0} check native group response. ", this.Id);
if (!this.pendingNativeGroupResponses.ContainsKey(groupident))
return;
if (!this.cachedCheckedRecvResponse.ContainsKey(groupident))
this.cachedCheckedRecvResponse.Add(groupident, scheduler.currentTime);
else
this.cachedCheckedRecvResponse[groupident] = scheduler.currentTime;
Dictionary<int, NativeGroupResponseEntry> entrySet = this.pendingNativeGroupResponses[groupident];
/*
Console.WriteLine("count:{0}-{1}", this.pendingNativeGroupResponses.Count, this.pendingNativeGroupResponses[groupident].Count);
foreach (int c in entrySet.Keys)
{
Console.Write("ppp:{0}\t", c);
}*/
string[] l = groupident.Split('-');
int origId = int.Parse(l[0]);
int k = int.Parse(l[1]);
int h0 = int.Parse(l[2]);
//检查节点是否全部返回
int waitingNodes = 0;
int availCount = 0;
foreach (int nodeId in entrySet.Keys)
{
NativeGroupResponseEntry e = entrySet[nodeId];
if (e == null)//尚未返回
{
Console.WriteLine("Reader{0} is waiting for reader{1}", this.Id, nodeId);
waitingNodes ++;
continue;
}
else if (e.h < 0)
{
Console.WriteLine("error impossible , abort");
return;
}
e.h++;
if (this.cachedCandidateNodes.ContainsKey(k) && this.cachedCandidateNodes[k].Contains(nodeId))
continue;
if (e.avail == true)
availCount++;
//Console.Write("e: {0}\t", e.nodeId);
}
if (waitingNodes > 0)
return;
if (origId != this.Id)
{
if(!entrySet.ContainsKey(this.Id))
entrySet.Add(this.Id, new NativeGroupResponseEntry(this.Id, 1, h0, origId, k, !this.anonGroups.groups.ContainsKey(k)));
SendNativeGroupResponse(this.requestNode, entrySet.Values.ToList());
}
else//到了初始节点
{
//现有节点可以建组，无需等待或做其他操作
if (this.cachedCandidateNodes.ContainsKey(k))
{
//if (entrySet.Count - waitingNodes + this.cachedCandidateNodes[k].Count >= k)
if (availCount +this.cachedCandidateNodes[k].Count >= k-1)//算上自己
{
this.anonGroups.ks.Remove(k);
HashSet<int> set = new HashSet<int>();
set.Add(this.Id);
int i = 1;
foreach (int nodeId in this.cachedCandidateNodes[k])
{
if (i == k)
break;
set.Add(nodeId);
i++;
}
foreach (int nodeId in entrySet.Keys)
{
if (i == k)
break;
if (entrySet[nodeId] == null || entrySet[nodeId].avail == false)
continue;
set.Add(nodeId);
i++;
}
this.anonGroups.groups.Add(k, set);
PrintGroupNodes(set);
PrivacyReader.rootReader = this;
foreach (int nodeId in set)
SendSetGroup(this.Id, this.Id, k, nodeId, set, new HashSet<int>() { nodeId });
}
}
else if (waitingNodes > 0) //需要等待子节点
return;
//之前已经建立成功
else if (this.anonGroups.groups.ContainsKey(k))
return;
//不满足要求
else if (entrySet.Count < k - 1)
{
this.lastesth++;
Console.WriteLine("New round-----------------------------------------------------------------------");
SendNativeGroupRequest(this.lastesth, this.lastesth, k, this.Id);
string newgroupident = origId + "-" + k + "-" + this.lastesth;
if (!this.pendingNativeGroupResponses.ContainsKey(newgroupident))
this.pendingNativeGroupResponses.Add(newgroupident, new Dictionary<int, NativeGroupResponseEntry>());
if (!this.cachedRecvRequest.ContainsKey(newgroupident))
this.cachedRecvRequest.Add(newgroupident, scheduler.currentTime);
Event.AddEvent(new Event(scheduler.currentTime + 0.3f, EventType.CHK_NATGROUP, this, newgroupident));
}
else //建立成功
{
this.anonGroups.ks.Remove(k);
HashSet<int> set = new HashSet<int>();
set.Add(this.Id);
int i = 1;
foreach (int nodeId in entrySet.Keys)
{
if (i == k)
break;
if(entrySet[nodeId].avail == false)
continue;
set.Add(nodeId);
i++;
}
this.anonGroups.groups.Add(k, set);
PrintGroupNodes(set);
PrivacyReader.rootReader = this;
foreach (int nodeId in set)
SendSetGroup(this.Id, this.Id, k, nodeId, set, new HashSet<int>() { nodeId });
}
}
//Console.WriteLine("pendingNativeGroupResponses[{0}] count: {1}", groupident, this.pendingNativeGroupResponses[groupident].Count);
entrySet.Clear();
this.pendingNativeGroupResponses.Remove(groupident);
//Console.WriteLine("pendingNativeGroupResponses count: {0}", this.pendingNativeGroupResponses.Count);
}
public void CheckNativeLargeGroupResponse(object o)
{
string groupident = (string)o;
if (this.pendingNativeGroupResponses.Count == 0)
return;
Console.WriteLine("Reader{0} check large native group response. ", this.Id);
if (!this.pendingNativeGroupResponses.ContainsKey(groupident))
return;
if (!this.cachedCheckedRecvResponse.ContainsKey(groupident))
this.cachedCheckedRecvResponse.Add(groupident, scheduler.currentTime);
else
this.cachedCheckedRecvResponse[groupident] = scheduler.currentTime;
string[] l = groupident.Split('-'); //string groupident = this.id + "-" + k + "-" + this.lastesth;
int k = int.Parse(l[1]);
if (this.anonGroups.groups.ContainsKey(k))
return;
if (this.cachedCandidateNodes[k].Count >= k)//可以建立匿名组了
{
this.anonGroups.ks.Remove(k);
HashSet<int> set = new HashSet<int>();
set.Add(this.Id);
int i = 1;
foreach (int nodeId in this.cachedCandidateNodes[k])
{
if (i == k)
break;
set.Add(nodeId);
i++;
}
this.anonGroups.groups.Add(k, set);
PrintGroupNodes(set);
PrivacyReader.rootReader = this;
foreach (int nodeId in set)
SendSetGroup(this.Id, this.Id, k, nodeId, set, new HashSet<int>(){nodeId});
return;
}
else if (scheduler.currentTime - this.cachedRecvRequest[groupident] >= global.native2WaitingTimeout)//使用native方法
{
this.lastesth = 2;
Console.WriteLine("{0:F4} [FALLBACK] {1}{2} start to use the native method", scheduler.currentTime, this.type, this.Id);
SendNativeGroupRequest(this.lastesth, this.lastesth, k, this.Id);
groupident = this.Id + "-" + k + "-" + this.lastesth;
if(!this.pendingNativeGroupResponses.ContainsKey(groupident))
this.pendingNativeGroupResponses.Add(groupident, new Dictionary<int, NativeGroupResponseEntry>());
if(!this.cachedRecvRequest.ContainsKey(groupident))
this.cachedRecvRequest.Add(groupident, scheduler.currentTime);
Event.AddEvent(new Event(scheduler.currentTime + 0.3f, EventType.CHK_NATGROUP, this, groupident));
return;
}
}
//收到子树的响应
public void RecvSubTreeInfo(Packet pkg)
{
if (pkg.Next != this.Id && pkg.Next!= BroadcastNode.Node.Id)
return;
if (pkg.Prev == Id && pkg.PrevType == type)
return;
if (this.Id != pkg.Dst)
{
this.retryOnSendingFailture = true;
RoutePacket(pkg);
this.retryOnSendingFailture = false;
return;
}
int rootId = pkg.SubTreeInfo.rootId;
List<int> newsubtree = pkg.SubTreeInfo.subtree;
SubNodeStatus newstatus = (SubNodeStatus)pkg.SubTreeInfo.status;
int newcn = pkg.SubTreeInfo.cn;
int child = pkg.Src;
string key = rootId + "";
if (!this.CachedTreeEntries.ContainsKey(key))
return;
AnonyTreeEntry subTreeInfo = this.CachedTreeEntries[key];
//update是子树节点是否有更新
bool update = false;
if (newstatus == SubNodeStatus.OUTSIDE)//对方为非匿名区域节点
{
subTreeInfo.cn++;
}
else if (!subTreeInfo.subtree.ContainsKey(child)) //新的子节点
{
if (newsubtree != null)
{
subTreeInfo.subtree.Add(child, new SubTreeEntry());
subTreeInfo.subtree[child].subnodeLastPing = scheduler.currentTime;
foreach (int x in newsubtree)
{
subTreeInfo.subtree[child].subnodes.Add(x);
}
}
if (newstatus != SubNodeStatus.RETRIEVING)
subTreeInfo.cn += newcn;
if (!subTreeInfo.subtree.ContainsKey(child))
subTreeInfo.subtree.Add(child, new SubTreeEntry());
subTreeInfo.subtree[child].subcn = newcn;
subTreeInfo.subtree[child].status = newstatus;
subTreeInfo.subtree[child].hops = 1;
subTreeInfo.subtree[child].subnodeLastPing = scheduler.currentTime;
}
else
{
//更新子树
HashSet<int> subnodes = subTreeInfo.subtree[child].subnodes;
int oldcn = subTreeInfo.subtree[child].subcn;
List<int> temp = new List<int>();
foreach (int c in subnodes)
{
if (!newsubtree.Contains(c))
{
temp.Add(c);
update = true;
}
}
foreach (int c in temp)
{
subnodes.Remove(c);
}
foreach (int x in newsubtree)
{
if (!subnodes.Contains(x))
{
subnodes.Add(x);
update = true;
}
}
if (subTreeInfo.subtree[child].status != newstatus)
update = true;
subTreeInfo.cn = subTreeInfo.cn + (newcn - oldcn);
subTreeInfo.subtree[child].subcn = newcn;
subTreeInfo.subtree[child].status = newstatus;
subTreeInfo.subtree[child].subnodeLastPing = scheduler.currentTime;
}
subTreeInfo.lastSubTreeUpdateTime = scheduler.currentTime;
/*
Console.WriteLine("{0}---{1}", child, newstatus);
foreach (KeyValuePair<int, SubTreeEntry> pair in subTreeInfo.subtree)
{
int c = pair.Key;
SubNodeStatus status = pair.Value.status;
Console.WriteLine("{0}->{1}", c, status);
}
*/
//update1是本区域是否还有等待的节点
bool update1 = true;
if (scheduler.currentTime < subTreeInfo.checkSubTreeTime)
update1 = false;
else
{
foreach (KeyValuePair<int, SubTreeEntry> pair in subTreeInfo.subtree)
{
int c = pair.Key;
SubNodeStatus status = pair.Value.status;
if (status == SubNodeStatus.RETRIEVING && Utility.Distance(this, (Reader)Node.getNode(c, NodeType.READER)) < global.nodeMaxDist)//无需更新
{
update1 = false;
Console.WriteLine("reader{0} is still retrieving, waiting...", c);
break;
}
}
}
List<int> sublist = getSubTreeNode(rootId);
//Console.WriteLine("debug: cached subtree count {0}:{1}, update:{2}, update1:{3}", sublist.Count, Utility.DumpListIntSet(sublist), update, update1);
if (this.Id != rootId)//中间节点
{
//需要更新
if (update == true && update1 == true)
{
//Event.AddEvent(new Event(scheduler.CurrentTime + global.waitChildDelay, EventType.CHK_SUBTREE, this, new List<int>() { rootId }));
List<int> list = getSubTreeNode(rootId);
subTreeInfo.status = SubNodeStatus.NORMAL;
SendSubTreeInfo(rootId, list, SubNodeStatus.NORMAL, subTreeInfo.cn, subTreeInfo.parent);
}
}
else //根节点
{
//检查
List<int> temp = new List<int>();
//找到所有达到要求的匿名组
foreach (int k in this.anonGroups.ks)
{
int totalUnavailAnonyNodeCout = GetTotalUnavailAnonyNodeCout(subTreeInfo, k);
int totalNodeCount = getSubTreeCount(subTreeInfo.subtree) + 1;
if (totalNodeCount - totalUnavailAnonyNodeCout >= k)
{
//DumpTreeNodes(k);
temp.Add(k);
}
else//不满足要求
{
//看看是否有节点未返回
foreach (int c in subTreeInfo.subtree.Keys)
{
SubTreeEntry subtree = subTreeInfo.subtree[c];
//还有一个子节点未返回结果
if (subtree.status == SubNodeStatus.RETRIEVING)
{
Console.WriteLine("debug: child READER{0} is still retrieving, waiting...", c);
return;
}
}
//全部有结果，则重来
Console.WriteLine("cached subtree: {0}", Utility.DumpListIntSet(getSubTreeNode(rootId)));
//还没达到k要求，重新发送
Console.WriteLine("New round-----------------------------------------------------------------------");
int m = k - getSubTreeCount(subTreeInfo.subtree) - 1;
foreach (KeyValuePair<int, SubTreeEntry> pair in subTreeInfo.subtree)
{
int c = pair.Key;
SubTreeEntry e = pair.Value;
if (m <= 0)
break;
if (e.subcn == 0)
continue;
//进位，不四舍五入了,合理的数为m*(e.subcn/subTreeInfo.cn)+1，但是为了加速，就乘以2,
int newm = (int)(1 + 2 * m * ((float)e.subcn / subTreeInfo.cn));
SendTreeGroupRequest(this.Id, newm, c, -1, 0, 0, 0);
Console.WriteLine("send to {0}, m:{1}", c, newm);
}
Console.WriteLine("total: {0}", getSubTreeCount(subTreeInfo.subtree) + 1);
DumpTreeNodes(key, k);
return;
}
}
//发送setgroup请求
foreach (int k in temp)
{
string newgroupident = rootId + "-" + rootId + "-" + k;
this.anonGroups.ks.Remove(k);
if (!this.anonGroups.groups.ContainsKey(k))
this.anonGroups.groups.Add(k, new HashSet<int>());
HashSet<int> group = this.anonGroups.groups[k];
Dictionary<int, HashSet<int>> tempgroup = new Dictionary<int, HashSet<int>>();
if (!this.anonGroups.groups[k].Contains(this.Id))
this.anonGroups.groups[k].Add(this.Id);
foreach (KeyValuePair<int, SubTreeEntry> pair in subTreeInfo.subtree)
{
int c = pair.Key;
HashSet<int> l = pair.Value.subnodes;
this.anonGroups.groups[k].Add(c);
tempgroup.Add(c, new HashSet<int>());
tempgroup[c].Add(c);
int end = 0;
if (group.Count + l.Count + 1 > k)
end = k - group.Count;
else
end = l.Count;
int i = 0;
foreach (int x in l)
{
if (i == end)
break;
this.anonGroups.groups[k].Add(x);
tempgroup[c].Add(x);
i++;
}
if (group.Count >= k)
break;
}
foreach (KeyValuePair<int, HashSet<int>> pair in tempgroup)
{
int c = pair.Key;
string ckey = c + "-" + k;
HashSet<int> subnodes = pair.Value;
if (!this.anonGroups.subUnavailAnonyNodes.ContainsKey(ckey))
this.anonGroups.subUnavailAnonyNodes.Add(ckey, new HashSet<int>());
Utility.AddHashSet(this.anonGroups.subUnavailAnonyNodes[ckey], subnodes);
SendSetGroup(rootId, rootId, k, c, this.anonGroups.groups[k], subnodes);//这里rootId和origId应该是一样的
//TODO subUnavailAnonyNodeCounts在节点消失的时候应该减少的
}
PrintGroupNodes(k);
DumpTreeNodes(key, k);
PrivacyReader.rootReader = this;
//为建立新组作准备，将所有节点放到一个框内
if (PrivacyReader.AnonFrames.GetFrameCount() == 0)
PrivacyReader.AnonFrames.Init(this.anonGroups.groups[k], this.Id, false);
PrivacyReader.AnonFrames.DumpFrames(this.Id);
}
}
Console.WriteLine("newstatus:{0}, current cn:{1}", newstatus, subTreeInfo.cn);
}
