public void 解析_CactiSnmp_ALERT訊息()
{
//Arrange
var parser = ParserFactory.CreateInstance(Detector.Cacti);
var raw = "{\"id\":\"192.168.10.99\", \"target\": \"Traffic - Gi1/0/20 [traffic_in]\", \"action\":\"ALERT\", \"info\":\"current value is 5630.6207\",\"time\":\"2018/11/06 18:08:34\"}";
var expected = new List <Monitor>
{
new Monitor
{
DEVICE_ID = "192.168.10.99",
TARGET_NAME = "Traffic - Gi1/0/20 [traffic_in]",
TARGET_VALUE = "ALERT",
TARGET_MESSAGE = "current value is 5630.6207",
RECEIVE_TIME = DateTime.Parse("2018/11/06 18:08:34", CultureInfo.InvariantCulture)
}
};
//Act
var actual = parser.ParseRecord(raw);
//Assert
CollectionAssert.AreEqual(expected, actual);
}
public object GetValue(ArgumentInfo argumentInfo)
{
PromptForValue(argumentInfo);
//when user has provided a value
if (argumentInfo.ValueInfo.HasValue && argumentInfo.ValueInfo.Value != null)
{
//parse value
IParser parser = _parserFactory.CreateInstance(argumentInfo);
return(parser.Parse(argumentInfo));
}
//when value not present but method parameter has a default value defined
if (!argumentInfo.DefaultValue.IsNullValue())
{
//use default parameter or property value
return(argumentInfo.DefaultValue);
}
//when there no value from input and no default value, return default value of the type
return(argumentInfo.Type.GetDefaultValue());
}
/// <summary>
/// 初始工作站
/// </summary>
private void InitWorkStation()
{
_parser = ParserFactory.CreateInstance(_detector);
_alarmer = new Alarmer();
}
private static bool TryBindArgument(IArgument argument, IConsole console, ParserFactory parserFactory)
{
bool SetFromStringInput(IArgument arg, IEnumerable <string> values)
{
try
{
var parser = parserFactory.CreateInstance(arg);
var value = parser.Parse(arg, values);
arg.Value = value;
return(true);
}
catch (ValueParsingException ex)
{
console.Error.WriteLine($"Failure parsing value for {argument.GetType().Name}: {arg.Name}. value(s)={values?.ToCsv()}");
console.Error.WriteLine(ex.Message);
console.Error.WriteLine();
return(false);
}
}
if (argument.InputValues.Any())
{
if (!SetFromStringInput(argument, argument.InputValues.SelectMany(iv => iv.Values)))
{
return(false);
}
}
else if (argument.Default != null)
{
var defaultValue = argument.Default.Value;
// middleware could set the default to any type.
// string values could be assigned from attributes or config values
// so they are parsed as if submitted from the shell.
switch (defaultValue)
{
case string stringValue:
if (!SetFromStringInput(argument, stringValue.ToEnumerable()))
{
return(false);
}
break;
case IEnumerable <string> multiString:
if (!SetFromStringInput(argument, multiString))
{
return(false);
}
break;
default:
try
{
var argumentType = argument.TypeInfo.Type;
if (argumentType.IsInstanceOfType(defaultValue))
{
argument.Value = defaultValue;
}
else
{
// cover cases like converting int to long.
var convertedValue = Convert.ChangeType(defaultValue, argumentType);
argument.Value = convertedValue;
}
}
catch (Exception ex)
{
console.Error.WriteLine(
$"Failure assigning value to {argument}. Value={defaultValue}");
console.Error.WriteLine(ex.Message);
console.Error.WriteLine();
return(false);
}
break;
}
}
return(true);
}
internal static Task <int> BindValues(CommandContext commandContext, ExecutionDelegate next)
{
var console = commandContext.Console;
var parserFactory = new ParserFactory(commandContext.AppConfig.AppSettings);
bool SetFromStringInput(IArgument argument, IEnumerable <string> values, out int returnCode)
{
try
{
var parser = parserFactory.CreateInstance(argument);
var value = parser.Parse(argument, values);
argument.Value = value;
returnCode = 0;
return(true);
}
catch (ValueParsingException ex)
{
console.Error.WriteLine($"Failure parsing value for {argument}. values={values?.ToCsv()}");
console.Error.WriteLine(ex.Message);
console.Error.WriteLine();
returnCode = 2;
return(false);
}
}
var arguments = commandContext.InvocationPipeline.All
.SelectMany(ic => ic.Command.Options.Cast <IArgument>().Union(ic.Command.Operands))
.Where(a => a.GetArgumentDef() != null);
foreach (var argument in arguments)
{
if (argument.InputValues.Any())
{
if (!SetFromStringInput(argument, argument.InputValues.SelectMany(iv => iv.Values), out int returnCode))
{
return(Task.FromResult(returnCode));
}
}
else if (argument.DefaultValue != null)
{
var defaultValue = argument.DefaultValue;
// middleware could set the default to any type.
// string values could be assigned from attributes or config values
// so they are parsed as if submitted from the shell.
switch (defaultValue)
{
case string stringValue:
if (!SetFromStringInput(argument, stringValue.ToEnumerable(), out int returnCode))
{
return(Task.FromResult(returnCode));
}
break;
case IEnumerable <string> multiString:
if (!SetFromStringInput(argument, multiString, out returnCode))
{
return(Task.FromResult(returnCode));
}
break;
default:
try
{
var argumentType = argument.TypeInfo.Type;
if (argumentType.IsInstanceOfType(defaultValue))
{
argument.Value = defaultValue;
}
else
{
// cover cases like converting int to long.
var convertedValue = Convert.ChangeType(defaultValue, argumentType);
argument.Value = convertedValue;
}
}
catch (Exception ex)
{
console.Error.WriteLine(
$"Failure assigning value to {argument}. Value={defaultValue}");
console.Error.WriteLine(ex.Message);
console.Error.WriteLine();
return(Task.FromResult(2));
}
break;
}
}
}
return(next(commandContext));
}
