protected void kill() {
boolean hooked = false;
AtomicInteger count = null;
Map<RouteResultsetNode, BackendConnection> killees = null;
for (RouteResultsetNode node : target.keySet()) {
BackendConnection c = target.get(node);
if (c != null) {
if (!hooked) {
hooked = true;
killees = new HashMap<RouteResultsetNode, BackendConnection>();
count = new AtomicInteger(0);
}
killees.put(node, c);
count.incrementAndGet();
}
}
if (hooked) {
ConnectionMeta conMeta = new ConnectionMeta(null, null, -1, true);
for (Entry<RouteResultsetNode, BackendConnection> en : killees.entrySet()) {
KillConnectionHandler kill = new KillConnectionHandler(en.getValue(), this);
MycatConfig conf = MycatSystem.getInstance().getConfig();
PhysicalDBNode dn = conf.getDataNodes().get(en.getKey().getName());
try {
dn.getConnectionFromSameSource(conMeta, en.getValue(), kill, en.getKey());
} catch (Exception e) {
LOGGER.error("get killer connection failed for " + en.getKey(), e);
kill.connectionError(e, null);
}
}
}
}
public static void dataNode(ManagerConnection c, String name) {
PhysicalDBNode dn = MycatServer.getInstance().getConfig().getDataNodes().get(name);
PhysicalDBPool ds = null;
if (dn != null && ((ds = dn.getDbPool()) != null)) {
// ds.getSqlRecorder().clear();
c.write(c.writeToBuffer(OkPacket.OK, c.allocate()));
} else {
c.writeErrMessage(ErrorCode.ER_YES, "Invalid DataNode:" + name);
}
}