public Cluster(int basePort, int size, Func <int, bool> leaderCandidate)
{
this.basePort = basePort;
var members = new Configuration.Member[size];
for (int i = 0; i < size; i++)
{
members[i] = new Configuration.Member(testOffset + i, leaderCandidate(i));
}
cfg = new Configuration(members);
this.members = new Node[size];
for (int i = 0; i < size; i++)
{
this.members[i] = new ClusterNode(cfg, cfg.Members[i], new Address(basePort + i), GetAddressOf);
}
attachments = new object[size];
}
public void ChangeConfiguration(int size, Func <int, bool> leaderCandidate)
{
var cfgMembers = new Configuration.Member[size];
for (int i = 0; i < size; i++)
{
cfgMembers[i] = new Configuration.Member(testOffset + i, leaderCandidate(i));
}
var newCFG = new Configuration(cfgMembers);
if (size < members.Length)
{
for (int i = 0; i < size; i++)
{
members[i].ChangeConfiguration(newCFG);
}
for (int i = size; i < this.members.Length; i++)
{
members[i].Dispose();
}
members = members.Subarray(0, size);
}
else
{
var newMembers = new Node[size];
for (int i = 0; i < members.Length; i++)
{
members[i].ChangeConfiguration(newCFG);
newMembers[i] = members[i];
}
for (int i = members.Length; i < size; i++)
{
newMembers[i] = new ClusterNode(newCFG, newCFG.Members[i], new Address(basePort + i), GetAddressOf);
}
members = newMembers;
}
cfg = newCFG;
}
public ClusterNode(Configuration cfg, Configuration.Member self, Address selfAddress, Func <int, Address> getAddressOf) : base(self)
{
this.getAddressOf = getAddressOf;
Port = Start(cfg, selfAddress, null);
}
public void OnOutOfConfig(Configuration newConfig, Configuration.Member memberID)
{
Assert.Fail("Configuration error: Local member ID " + memberID + " not found in new configuration " + newConfig);
}
public void OnOutOfConfig(Configuration newConfig, Configuration.Member memberID)
{
Log.Error("Terminal: Consensus member ID " + memberID + " not found in new configuration " + newConfig);
Environment.Exit(-1);
}
