internal void UpdateNetworkStatus(List <PeerInfo> uniqueConnectedPeerList)
{
BitChatNetworkStatus oldStatus = _networkStatus;
lock (_connectedPeerList)
{
//compare this peer's connected peer list to the other peer list to find disconnected peer list
_disconnectedPeerList = GetMissingPeerList(_connectedPeerList, uniqueConnectedPeerList);
//remove self from the disconnected list
_disconnectedPeerList.Remove(_virtualPeer.GetPeerInfo());
if (_disconnectedPeerList.Count > 0)
{
_networkStatus = BitChatNetworkStatus.PartialNetwork;
}
else
{
_networkStatus = BitChatNetworkStatus.FullNetwork;
}
}
if (oldStatus != _networkStatus)
{
RaiseEventNetworkStatusUpdated();
}
}
internal void SetNoNetworkStatus()
{
BitChatNetworkStatus oldStatus = _networkStatus;
_networkStatus = BitChatNetworkStatus.NoNetwork;
if (oldStatus != _networkStatus)
{
RaiseEventNetworkStatusUpdated();
}
}
public BitChatInfo(BitChatNetworkType type, string networkNameOrPeerEmailAddress, string sharedSecret, BinaryNumber hashedPeerEmailAddress, BinaryNumber networkID, BinaryNumber networkSecret, string messageStoreID, byte[] messageStoreKey, long groupImageDateModified, byte[] groupImage, Certificate[] peerCerts, SharedFileInfo[] sharedFiles, Uri[] trackerURIs, bool enableTracking, bool sendInvitation, string invitationSender, string invitationMessage, BitChatNetworkStatus networkStatus, bool mute)
{
_type = type;
_networkNameOrPeerEmailAddress = networkNameOrPeerEmailAddress;
_sharedSecret = sharedSecret;
_hashedPeerEmailAddress = hashedPeerEmailAddress;
_networkID = networkID;
_networkSecret = networkSecret;
_messageStoreID = messageStoreID;
_messageStoreKey = messageStoreKey;
_groupImageDateModified = groupImageDateModified;
_groupImage = groupImage;
_peerCerts = peerCerts;
_sharedFiles = sharedFiles;
_trackerURIs = trackerURIs;
_enableTracking = enableTracking;
_sendInvitation = sendInvitation;
_invitationSender = invitationSender;
_invitationMessage = invitationMessage;
_networkStatus = networkStatus;
_mute = mute;
}
internal void UpdateNetworkStatus(List<PeerInfo> uniqueConnectedPeerList)
{
BitChatNetworkStatus oldStatus = _networkStatus;
lock (_connectedPeerList)
{
//compare this peer's connected peer list to the other peer list to find disconnected peer list
_disconnectedPeerList = GetMissingPeerList(_connectedPeerList, uniqueConnectedPeerList);
//remove self from the disconnected list
_disconnectedPeerList.Remove(_virtualPeer.GetPeerInfo());
if (_disconnectedPeerList.Count > 0)
_networkStatus = BitChatNetworkStatus.PartialNetwork;
else
_networkStatus = BitChatNetworkStatus.FullNetwork;
}
if (oldStatus != _networkStatus)
RaiseEventNetworkStatusUpdated();
}
internal void SetNoNetworkStatus()
{
BitChatNetworkStatus oldStatus = _networkStatus;
_networkStatus = BitChatNetworkStatus.NoNetwork;
if (oldStatus != _networkStatus)
RaiseEventNetworkStatusUpdated();
}
private void UpdateNetworkStatusCallback(object state)
{
lock (_updateNetworkStatusLock)
{
if (_updateNetworkStatusRunning)
return;
_updateNetworkStatusRunning = true;
_updateNetworkStatusTriggered = false;
}
try
{
BitChatNetworkStatus oldStatus = _networkStatus;
//find network wide connected peer ep list
List<PeerInfo> uniqueConnectedPeerList = new List<PeerInfo>();
List<Peer> onlinePeers = new List<Peer>();
List<Peer> offlinePeers = new List<Peer>();
lock (_peers)
{
foreach (Peer currentPeer in _peers)
{
if (currentPeer.IsOnline)
onlinePeers.Add(currentPeer);
else
offlinePeers.Add(currentPeer);
}
}
foreach (Peer onlinePeer in onlinePeers)
{
onlinePeer.UpdateUniqueConnectedPeerList(uniqueConnectedPeerList);
}
//find self connected & disconnected peer list
List<PeerInfo> connectedPeerList;
List<PeerInfo> disconnectedPeerList;
connectedPeerList = _network.GetConnectedPeerList();
//update self connected list
UpdateUniquePeerList(uniqueConnectedPeerList, connectedPeerList);
//remove self from unique connected peer list
PeerInfo selfPeerInfo = _network.GetSelfPeerInfo();
uniqueConnectedPeerList.Remove(selfPeerInfo);
//update connected peer's network status
foreach (Peer onlinePeer in onlinePeers)
{
onlinePeer.UpdateNetworkStatus(uniqueConnectedPeerList);
}
foreach (Peer offlinePeer in offlinePeers)
{
offlinePeer.SetNoNetworkStatus();
}
//find disconnected list
disconnectedPeerList = GetMissingPeerList(connectedPeerList, uniqueConnectedPeerList);
//update disconnected peer's network status
List<PeerInfo> dummyUniqueConnectedPeerList = new List<PeerInfo>(1);
dummyUniqueConnectedPeerList.Add(selfPeerInfo);
foreach (PeerInfo peerInfo in disconnectedPeerList)
{
//search all offline peers for comparison
foreach (Peer offlinePeer in offlinePeers)
{
if (offlinePeer.PeerCertificate.IssuedTo.EmailAddress.Address.Equals(peerInfo.PeerEmail))
{
offlinePeer.UpdateNetworkStatus(dummyUniqueConnectedPeerList);
break;
}
}
}
BitChatNetworkStatus networkStatus;
if (disconnectedPeerList.Count > 0)
{
networkStatus = BitChatNetworkStatus.PartialNetwork;
_network.MakeConnection(disconnectedPeerList);
}
else
{
networkStatus = BitChatNetworkStatus.FullNetwork;
}
lock (_connectedPeerList)
{
_connectedPeerList.Clear();
_connectedPeerList.AddRange(connectedPeerList);
_disconnectedPeerList = disconnectedPeerList;
_networkStatus = networkStatus;
}
if (_network.Type == BitChatNetworkType.PrivateChat)
{
if (connectedPeerList.Count > 0)
{
_manager.PauseLocalAnnouncement(_network.NetworkID);
StopTracking();
}
else
{
_manager.ResumeLocalAnnouncement(_network.NetworkID);
StartTracking();
}
}
else
{
if (connectedPeerList.Count > 0)
_manager.PauseLocalAnnouncement(_network.NetworkID);
else
_manager.ResumeLocalAnnouncement(_network.NetworkID);
}
if (oldStatus != networkStatus)
_selfPeer.RaiseEventNetworkStatusUpdated();
}
catch
{ }
finally
{
lock (_updateNetworkStatusLock)
{
if (_updateNetworkStatusTriggered)
{
_updateNetworkStatusTimer.Change(NETWORK_STATUS_TIMER_INTERVAL, Timeout.Infinite);
}
else
{
_updateNetworkStatusTriggered = false;
if (_networkStatus == BitChatNetworkStatus.PartialNetwork)
_reCheckNetworkStatusTimer.Change(NETWORK_STATUS_RECHECK_TIMER_INTERVAL, Timeout.Infinite);
}
_updateNetworkStatusRunning = false;
}
}
}
public BitChatInfo(Stream s)
{
BincodingDecoder decoder = new BincodingDecoder(s, "BI");
while (true)
{
Bincoding value = decoder.DecodeNext();
if (value.Type == BincodingType.NULL)
{
break;
}
KeyValuePair <string, Bincoding> pair = value.GetKeyValuePair();
switch (pair.Key)
{
case "type":
_type = (BitChatNetworkType)pair.Value.GetByteValue();
break;
case "network_name":
_networkNameOrPeerEmailAddress = pair.Value.GetStringValue();
break;
case "shared_secret":
_sharedSecret = pair.Value.GetStringValue();
break;
case "enable_tracking":
_enableTracking = pair.Value.GetBooleanValue();
break;
case "send_invitation":
_sendInvitation = pair.Value.GetBooleanValue();
break;
case "invitation_sender":
_invitationSender = pair.Value.GetStringValue();
break;
case "invitation_message":
_invitationMessage = pair.Value.GetStringValue();
break;
case "network_status":
_networkStatus = (BitChatNetworkStatus)pair.Value.GetByteValue();
break;
case "hashed_peer_email_address":
_hashedPeerEmailAddress = new BinaryNumber(pair.Value.Value);
break;
case "network_id":
_networkID = new BinaryNumber(pair.Value.Value);
break;
case "network_secret":
_networkSecret = new BinaryNumber(pair.Value.Value);
break;
case "message_store_id":
_messageStoreID = pair.Value.GetStringValue();
break;
case "message_store_key":
_messageStoreKey = pair.Value.Value;
break;
case "group_image_date_modified":
_groupImageDateModified = pair.Value.GetLongValue();
break;
case "group_image":
_groupImage = pair.Value.Value;
break;
case "mute":
_mute = pair.Value.GetBooleanValue();
break;
case "peer_certs":
{
List <Bincoding> peerCerts = pair.Value.GetList();
_peerCerts = new Certificate[peerCerts.Count];
int i = 0;
foreach (Bincoding item in peerCerts)
{
_peerCerts[i++] = new Certificate(item.GetValueStream());
}
}
break;
case "shared_files":
{
List <Bincoding> sharedFiles = pair.Value.GetList();
_sharedFiles = new SharedFileInfo[sharedFiles.Count];
int i = 0;
foreach (Bincoding item in sharedFiles)
{
_sharedFiles[i++] = new SharedFileInfo(item.GetValueStream());
}
}
break;
case "tracker_list":
{
List <Bincoding> trackerList = pair.Value.GetList();
_trackerURIs = new Uri[trackerList.Count];
int i = 0;
foreach (Bincoding item in trackerList)
{
_trackerURIs[i++] = new Uri(item.GetStringValue());
}
}
break;
}
}
}
private void UpdateNetworkStatusCallback(object state)
{
lock (_updateNetworkStatusLock)
{
if (_updateNetworkStatusRunning)
{
return;
}
_updateNetworkStatusRunning = true;
_updateNetworkStatusTriggered = false;
}
try
{
BitChatNetworkStatus oldStatus = _networkStatus;
//find network wide connected peer ep list
List <PeerInfo> uniqueConnectedPeerList = new List <PeerInfo>();
List <Peer> onlinePeers = new List <Peer>();
List <Peer> offlinePeers = new List <Peer>();
lock (_peers)
{
foreach (Peer currentPeer in _peers)
{
if (currentPeer.IsOnline)
{
onlinePeers.Add(currentPeer);
}
else
{
offlinePeers.Add(currentPeer);
}
}
}
foreach (Peer onlinePeer in onlinePeers)
{
onlinePeer.UpdateUniqueConnectedPeerList(uniqueConnectedPeerList);
}
//find self connected & disconnected peer list
List <PeerInfo> connectedPeerList;
List <PeerInfo> disconnectedPeerList;
connectedPeerList = _network.GetConnectedPeerList();
//update self connected list
UpdateUniquePeerList(uniqueConnectedPeerList, connectedPeerList);
//remove self from unique connected peer list
PeerInfo selfPeerInfo = _network.GetSelfPeerInfo();
uniqueConnectedPeerList.Remove(selfPeerInfo);
//update connected peer's network status
foreach (Peer onlinePeer in onlinePeers)
{
onlinePeer.UpdateNetworkStatus(uniqueConnectedPeerList);
}
foreach (Peer offlinePeer in offlinePeers)
{
offlinePeer.SetNoNetworkStatus();
}
//find disconnected list
disconnectedPeerList = GetMissingPeerList(connectedPeerList, uniqueConnectedPeerList);
//update disconnected peer's network status
List <PeerInfo> dummyUniqueConnectedPeerList = new List <PeerInfo>(1);
dummyUniqueConnectedPeerList.Add(selfPeerInfo);
foreach (PeerInfo peerInfo in disconnectedPeerList)
{
//search all offline peers for comparison
foreach (Peer offlinePeer in offlinePeers)
{
if (offlinePeer.PeerCertificate.IssuedTo.EmailAddress.Address.Equals(peerInfo.PeerEmail))
{
offlinePeer.UpdateNetworkStatus(dummyUniqueConnectedPeerList);
break;
}
}
}
BitChatNetworkStatus networkStatus;
if (disconnectedPeerList.Count > 0)
{
networkStatus = BitChatNetworkStatus.PartialNetwork;
_network.MakeConnection(disconnectedPeerList);
}
else
{
networkStatus = BitChatNetworkStatus.FullNetwork;
}
lock (_connectedPeerList)
{
_connectedPeerList.Clear();
_connectedPeerList.AddRange(connectedPeerList);
_disconnectedPeerList = disconnectedPeerList;
_networkStatus = networkStatus;
}
if (_network.Type == BitChatNetworkType.PrivateChat)
{
if (connectedPeerList.Count > 0)
{
_manager.PauseLocalAnnouncement(_network.NetworkID);
StopTracking();
}
else
{
_manager.ResumeLocalAnnouncement(_network.NetworkID);
StartTracking();
}
}
else
{
if (connectedPeerList.Count > 0)
{
_manager.PauseLocalAnnouncement(_network.NetworkID);
}
else
{
_manager.ResumeLocalAnnouncement(_network.NetworkID);
}
}
if (oldStatus != networkStatus)
{
_selfPeer.RaiseEventNetworkStatusUpdated();
}
}
catch
{ }
finally
{
lock (_updateNetworkStatusLock)
{
if (_updateNetworkStatusTriggered)
{
_updateNetworkStatusTimer.Change(NETWORK_STATUS_TIMER_INTERVAL, Timeout.Infinite);
}
else
{
_updateNetworkStatusTriggered = false;
if (_networkStatus == BitChatNetworkStatus.PartialNetwork)
{
_reCheckNetworkStatusTimer.Change(NETWORK_STATUS_RECHECK_TIMER_INTERVAL, Timeout.Infinite);
}
}
_updateNetworkStatusRunning = false;
}
}
}
