// ReSharper disable once ReturnTypeCanBeEnumerable.Local
private static List <Environment> GetEnvironments(XPathNavigator xPathNavigator)
{
var environments = new List <Environment>();
var nodes = xPathNavigator.Select("config/environments/environment");
while (nodes.MoveNext())
{
var crt = nodes.Current;
var name = crt.GetStringAttributeValue("name");
var id = crt.GetLongAttributeValue("id");
if (string.IsNullOrWhiteSpace(name))
{
throw new InvalidDataException("encountered 'environment' element without name attribute value");
}
if (id == null)
{
throw new InvalidDataException("encountered 'environment' element without id attribute value");
}
var environment = new Environment(name, id.Value);
environments.Add(environment);
}
if (environments.Count != environments.Select(e => e.Id).Distinct().Count())
{
throw new InvalidDataException("duplicate ids found within environments");
}
return(environments);
}
private static CheckBase CompleteCheckRead(
XPathNavigator crt,
long id,
CheckType type,
Environment environment,
Service service,
TimeSpan interval,
int?maxContentLength)
{
// ReSharper disable once SwitchStatementMissingSomeCases
switch (type)
{
case CheckType.Ping:
throw new NotImplementedException();
case CheckType.HttpCall:
return(CompleteHttpCheck(crt, id, environment, service, interval, maxContentLength));
default:
throw new ArgumentOutOfRangeException(nameof(type), type, null);
}
}
private static HttpCheck CompleteHttpCheck(
XPathNavigator crt,
long id,
Environment environment,
Service service,
TimeSpan interval,
int?maxContentLength)
{
var method = crt.GetEnumAttributeValue <HttpCheck.HttpMethod>("method");
var url = crt.GetUriAttributeValue("url");
var connectTimeout = crt.GetTimeSpanAttributeValue("connectTimeout");
var readTimeout = crt.GetTimeSpanAttributeValue("readTimeout");
if (method == null)
{
throw new InvalidDataException("HttpCall check is missing/has invalid the (HTTP) method");
}
if (url == null)
{
throw new InvalidDataException("HttpCall check is missing/has invalid its URL");
}
if (connectTimeout + readTimeout > interval)
{
throw new InvalidDataException("the combined timeouts cannot be larger than the check interval");
}
var conditions = new List <HttpCheckCondition>();
var conditionsNode = crt.SelectSingleNode("conditions");
conditionsNode.MoveToFirstChild();
do
{
if (conditionsNode.NodeType != XPathNodeType.Element)
{
continue;
}
var conditionsClone = conditionsNode.Clone();
var conditionType = conditionsClone.Name;
var attributeStrings = new List <KeyValuePair <string, string> >();
var value = conditionsClone.Value;
if (conditionsClone.HasAttributes)
{
if (conditionsClone.MoveToFirstAttribute())
{
do
{
attributeStrings.Add(new KeyValuePair <string, string>(conditionsClone.Name, conditionsClone.Value));
} while (conditionsClone.MoveToNextAttribute());
}
}
var condition = GetCondition(conditionType, attributeStrings, value);
conditions.Add(condition);
} while (conditionsNode.MoveToNext());
var roConditions = conditions.AsReadOnly();
var check = new HttpCheck(
id,
environment,
service,
interval,
url,
roConditions,
method.Value,
connectTimeout,
readTimeout,
maxContentLength ?? HttpCheck.DefaultMaxContentLength);
return(check);
}