void Client::SetMaster(int master_, int nodeID)
{
Log_Trace("known master: %d, set master: %d, nodeID: %d", master, master_, nodeID);
Command** it;
Command* cmd;
if (master_ == nodeID)
{
if (master != master_)
{
// node became the master
Log_Message("Node %d is the master", nodeID);
master = master_;
connectivityStatus = KEYSPACE_SUCCESS;
SendCommand(conns[master], safeCommands);
}
// else node is still the master
EventLoop::Reset(&masterTimeout);
}
else if (master_ < 0 && master == nodeID)
{
// node lost its mastership
Log_Message("Node %d lost its mastership", nodeID);
master = -1;
connectivityStatus = KEYSPACE_NOMASTER;
if (!IsSafe())
return;
for (it = result->commands.Head(); it != NULL; it = result->commands.Next(it))
{
cmd = *it;
cmd->cmdID = NextCommandID();
Log_Trace("new command ID: %" PRIu64 "", cmd->cmdID);
if (cmd->status == KEYSPACE_NOSERVICE && cmd->nodeID == nodeID)
{
Log_Trace("appending to safecommands");
cmd->nodeID = -1;
cmd->ClearResponse();
if (!cmd->IsDirty())
safeCommands.Append(cmd);
}
else
{
Log_Trace("NOT appending to safecommands: %d %d",
cmd->status, cmd->nodeID);
}
}
// set master timeout
}
}
bool Client::IsSafe()
{
Command** it;
Command* cmd;
it = result->commands.Head();
if (!it)
return false;
cmd = *it;
if (cmd->IsDirty())
return false;
return true;
}
