/// <summary>
/// Checks if two ChannelMatchesLists contain exactly the same items.
/// </summary>
/// <param name="otherList">ChannelMatchesList to compare with</param>
/// <returns>A flag indicating the equalness of both lists.</returns>
public bool equals(ChannelMatchesList otherList)
{
if (this.length != otherList.length)
{
return false;
}
//create mapping portIdentifier->index in a
Dictionary<uint, HashSet<TIpProtocol>> channelProtocols = new Dictionary<uint, HashSet<TIpProtocol>>();
foreach (Channel channel in this.channels)
{
if (channelProtocols.ContainsKey(channel.portIdentifier) == false)
{
channelProtocols[channel.portIdentifier] = new HashSet<TIpProtocol>();
}
channelProtocols[channel.portIdentifier].Add(channel.protocol);
}
foreach (Channel channel in otherList.channels)
{
if (channelProtocols.ContainsKey(channel.portIdentifier) == false)
{
return false;
}
bool foundEqualMatch = false;
foreach (TIpProtocol protocol in channelProtocols[channel.portIdentifier])
{
if (channel.protocol == protocol)
{
foundEqualMatch = true;
break;
}
}
if (foundEqualMatch == false)
{
return false;
}
}
return true;
}
/// <inheritdoc />
internal override bool evaluateReceivedMatches()
{
char[] delimiters = { (char)STRING_DELIMITER[0] };
String[] b64Lists = peerMatchesRaw.Split(delimiters);
if ((b64Lists.Length != 2) || (b64Lists.Rank != 1))
{
return false;
}
//try unmarshalling the received data
ChannelMatchesList peerMatchesIncoming, peerMatchesOutgoing;
try
{
peerMatchesIncoming = new ChannelMatchesList(b64Lists[0]);
peerMatchesOutgoing = new ChannelMatchesList(b64Lists[1]);
}
catch
{
Logger.log(TLogLevel.logDebug, "Error: Failed to unmarshal the channel matches lists received.");
return false;
}
//Cross-compare received matches with own found matches. In case any difference is found, abort.
if (peerMatchesIncoming.equals(channelsToEncrypt.outgoing) == false)
{
Logger.log(TLogLevel.logDebug, "Error: Found difference between own outgoing matches and the peer's incoming matches.");
return false;
}
if (peerMatchesOutgoing.equals(channelsToEncrypt.incoming) == false)
{
Logger.log(TLogLevel.logDebug, "Error: Found difference between own incoming matches and the peer's outgoing matches.");
return false;
}
return true;
}
public BoundChannelMatches(uint peerIp, ChannelMatchesList incomingChannelMatches, ChannelMatchesList outgoingChannelMatches)
{
this._peerIp = peerIp;
this._incoming = incomingChannelMatches;
this._outgoing = outgoingChannelMatches;
}
