public static async Task <FdbSystemStatus> GetStatusAsync([NotNull] IFdbReadOnlyTransaction trans)
{
Contract.NotNull(trans, nameof(trans));
Slice data = await trans.GetAsync(StatusJsonKey).ConfigureAwait(false);
if (data.IsNullOrEmpty)
{
return(null);
}
string jsonText = data.ToUnicode();
var doc = TinyJsonParser.ParseObject(jsonText);
if (doc == null)
{
return(null);
}
long rv = 0;
if (doc.ContainsKey("cluster"))
{
rv = await trans.GetReadVersionAsync();
}
return(new FdbSystemStatus(doc, rv, jsonText));
}
//TODO: values will vary depending on the "Role" !
public static ProcessRoleMetrics Create(Dictionary <string, object?>?data)
{
string?role = TinyJsonParser.GetStringField(data, "role");
switch (role)
{
case null:
return(null !); //invalid!
case "master":
return(new MasterRoleMetrics(data));
case "proxy":
return(new ProxyRoleMetrics(data));
case "resolver":
return(new ResolverRoleMetrics(data));
case "cluster_controller":
return(new ClusterControllerRoleMetrics(data));
case "log":
return(new LogRoleMetrics(data));
case "storage":
return(new StorageRoleMetrics(data));
default:
return(new ProcessRoleMetrics(data, role));
}
}
public static async Task <FdbSystemStatus?> GetStatusAsync(IFdbReadOnlyTransaction trans)
{
Contract.NotNull(trans);
var data = await trans.GetAsync(StatusJsonKey).ConfigureAwait(false);
if (data.IsNullOrEmpty)
{
return(null);
}
var doc = TinyJsonParser.ParseObject(data);
if (doc == null)
{
return(null);
}
long rv = 0;
if (doc.ContainsKey("cluster"))
{
rv = await trans.GetReadVersionAsync();
}
return(new FdbSystemStatus(doc, rv, data));
}
internal FdbSystemStatus(Dictionary <string, object?>?doc, long readVersion, Slice raw)
: base(doc)
{
this.Client = new ClientStatus(TinyJsonParser.GetMapField(doc, "client"));
this.Cluster = new ClusterStatus(TinyJsonParser.GetMapField(doc, "cluster"));
this.ReadVersion = readVersion;
this.RawData = raw;
}
internal FdbSystemStatus(Dictionary <string, object> doc, long readVersion, string raw)
: base(doc)
{
m_client = new ClientStatus(TinyJsonParser.GetMapField(doc, "client"));
m_cluster = new ClusterStatus(TinyJsonParser.GetMapField(doc, "cluster"));
m_readVersion = readVersion;
m_raw = raw;
}
internal static LoadCounter From(Dictionary <string, object> data, string field)
{
var obj = TinyJsonParser.GetMapField(data, field);
return(new LoadCounter(
(long)(TinyJsonParser.GetNumberField(obj, "counter") ?? 0),
TinyJsonParser.GetNumberField(obj, "hz") ?? 0,
TinyJsonParser.GetNumberField(obj, "roughness") ?? 0
));
}
internal static Message[] FromArray(Dictionary <string, object?>?data, string field)
{
var array = TinyJsonParser.GetArrayField(data, field);
var res = new Message[array.Count];
for (int i = 0; i < res.Length; i++)
{
var obj = (Dictionary <string, object?>?)array[i];
(var key, var value) = TinyJsonParser.GetStringPair(obj, "name", "description");
res[i] = new Message(key !, value !);
}
return(res);
}
//TODO: values will vary depending on the "Role" !
public static ProcessRoleMetrics Create(Dictionary <string, object?>?data)
{
string?role = TinyJsonParser.GetStringField(data, "role");
return(role switch
{
null => null !, //invalid!
"master" => new MasterRoleMetrics(data),
"proxy" => new ProxyRoleMetrics(data),
"commit_proxy" => new CommitProxyRoleMetrics(data),
"grv_proxy" => new GrvProxyRoleMetrics(data),
"resolver" => new ResolverRoleMetrics(data),
"cluster_controller" => new ClusterControllerRoleMetrics(data),
"log" => new LogRoleMetrics(data),
"storage" => new StorageRoleMetrics(data),
"ratekeeper" => new RateKeeperRoleMetrics(data),
"data_distributor" => new DataDistributorRoleMetrics(data),
_ => new ProcessRoleMetrics(data, role)
});
protected string?GetString(string field1, string field2)
{
return(TinyJsonParser.GetStringField(TinyJsonParser.GetMapField(m_data, field1), field2));
}
internal static Message From(Dictionary <string, object?>?data, string field)
{
(var key, var value) = TinyJsonParser.GetStringPair(TinyJsonParser.GetMapField(data, field), "name", "description");
return(new Message(key ?? string.Empty, value ?? string.Empty));
}
protected bool?GetBoolean(string field1, string field2)
{
return(TinyJsonParser.GetBooleanField(TinyJsonParser.GetMapField(m_data, field1), field2));
}
internal static Message From(Dictionary <string, object> data, string field)
{
var kvp = TinyJsonParser.GetStringPair(TinyJsonParser.GetMapField(data, field), "name", "description");
return(new Message(kvp.Key ?? String.Empty, kvp.Value ?? String.Empty));
}
protected double?GetDouble(string field1, string field2)
{
return(TinyJsonParser.GetNumberField(TinyJsonParser.GetMapField(m_data, field1), field2));
}
protected bool?GetBoolean(string field)
{
return(TinyJsonParser.GetBooleanField(m_data, field));
}
protected double?GetDouble(string field)
{
return(TinyJsonParser.GetNumberField(m_data, field));
}
protected long?GetInt64(string field1, string field2)
{
var x = TinyJsonParser.GetNumberField(TinyJsonParser.GetMapField(m_data, field1), field2);
return(x.HasValue ? (long?)x.Value : null);
}
protected Dictionary <string, object?>?GetMap(string field)
{
return(TinyJsonParser.GetMapField(m_data, field));
}
protected string?GetString(string field)
{
return(TinyJsonParser.GetStringField(m_data, field));
}
protected List <object?>?GetArray(string field)
{
return(TinyJsonParser.GetArrayField(m_data, field));
}
