/** \fn int GetNodeNum( SDBConst.NodeStatus status)
* \brief Get the count of node with given status
* \param status The specified status as below:
*
* SDB_NODE_ALL
* SDB_NODE_ACTIVE
* SDB_NODE_INACTIVE
* SDB_NODE_UNKNOWN
* \return The count of node
* \exception SequoiaDB.BaseException
* \exception System.Exception
*/
public int GetNodeNum(SDBConst.NodeStatus status)
{
try
{
int total = 0;
BsonDocument detail = GetDetail();
if (detail[SequoiadbConstants.FIELD_GROUP].IsBsonArray)
{
BsonArray nodes = detail[SequoiadbConstants.FIELD_GROUP].AsBsonArray;
total = nodes.Count;
//foreach (BsonDocument node in nodes)
//{
// Node rnode = ExtractNode(node);
// SDBConst.NodeStatus sta = rnode.GetStatus();
// if (SDBConst.NodeStatus.SDB_NODE_ALL == status || rnode.GetStatus() == status)
// ++total;
//}
}
return(total);
}
catch (KeyNotFoundException)
{
throw new BaseException("SDB_CLS_NODE_NOT_EXIST");
}
catch (FormatException)
{
throw new BaseException("SDB_INVALIDARG");
}
}
public void RGTest()
{
String hostName = "192.168.20.166";
int port = 45000;
// check whether it is in the cluster environment or not
if (!Constants.isClusterEnv(sdb))
{
Console.WriteLine("It's not a cluster environment.");
return;
}
group = sdb.GetReplicaGroup(groupName);
if (group == null)
{
group = sdb.CreateReplicaGroup(groupName);
}
ReplicaGroup group1 = sdb.GetReplicaGroup(group.GroupID);
Assert.AreEqual(group.GroupName, group1.GroupName);
ReplicaGroup group2 = sdb.GetReplicaGroup(1);
Assert.IsNotNull(group2);
node = group.GetNode(hostName, port);
if (node == null)
{
string dbpath = config.conf.Groups[0].Nodes[0].DBPath;
Dictionary <string, string> map = new Dictionary <string, string>();
map.Add("diaglevel", config.conf.Groups[0].Nodes[0].DiagLevel);
node = group.CreateNode(hostName, port, dbpath, map);
}
group.Start();
int num = group.GetNodeNum(SDBConst.NodeStatus.SDB_NODE_ALL);
Assert.IsTrue(num > 0);
BsonDocument detail = group.GetDetail();
string gn = detail["GroupName"].AsString;
Assert.IsTrue(groupName.Equals(gn));
SequoiaDB.Node master = group.GetMaster();
Assert.IsNotNull(master);
SequoiaDB.Node slave = group.GetSlave();
Assert.IsNotNull(slave);
Assert.IsTrue(node.Stop());
Assert.IsTrue(node.Start());
SDBConst.NodeStatus status = node.GetStatus();
Assert.IsTrue(status == SDBConst.NodeStatus.SDB_NODE_ACTIVE);
Sequoiadb db = node.Connect(config.conf.UserName, config.conf.Password);
db.Disconnect();
node.Stop();
group.Stop();
}
/** \fn SDBConst.NodeStatus GetStatus()
* \brief Get the status of current node
* \return The status of current node
* \exception SequoiaDB.BaseException
* \exception System.Exception
* \deprecated Since v2.8, the status of node are invalid, nerver use this api again.
*/
public SDBConst.NodeStatus GetStatus()
{
SDBConst.NodeStatus status = SDBConst.NodeStatus.SDB_NODE_UNKNOWN;
string command = SequoiadbConstants.ADMIN_PROMPT + SequoiadbConstants.SNAP_CMD + " "
+ SequoiadbConstants.DATABASE;
BsonDocument condition = new BsonDocument();
BsonDocument dummyObj = new BsonDocument();
condition.Add(SequoiadbConstants.FIELD_GROUPID, group.GroupID);
condition.Add(SequoiadbConstants.FIELD_NODEID, nodeID);
SDBMessage rtn = AdminCommand(command, condition, dummyObj, dummyObj, dummyObj);
int flags = rtn.Flags;
if (flags == 0)
{
status = SDBConst.NodeStatus.SDB_NODE_ACTIVE;
}
else if (flags == (int)Errors.errors.SDB_NET_CANNOT_CONNECT)
{
status = SDBConst.NodeStatus.SDB_NODE_INACTIVE;
}
return(status);
}
