public void Log(ISnmpContext context)
{
if (Logger.IsInfoEnabled)
{
Logger.Info(GetLogEntry(context));
}
}
/// <summary>
/// Authenticates the request.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public bool AuthenticateRequest(ISnmpContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
return context.Request.Version == Version && context.HandleMembership();
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
var index = 0;
var status = ErrorCode.NoError;
IList<Variable> result = new List<Variable>();
foreach (var v in context.Request.Pdu().Variables)
{
index++;
var obj = store.GetObject(v.Id);
if (obj != null)
{
try
{
obj.Data = v.Data;
}
catch (AccessFailureException)
{
status = ErrorCode.NoSuchName;
}
catch (ArgumentException)
{
status = ErrorCode.BadValue;
}
catch (Exception)
{
status = ErrorCode.GenError;
}
}
else
{
status = ErrorCode.NoSuchName;
}
if (status != ErrorCode.NoError)
{
context.CopyRequest(status, index);
return;
}
result.Add(v);
}
context.GenerateResponse(result);
}
/// <summary>
/// Handles the specified message.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="store">The object store.</param>
/// <returns></returns>
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
}
/// <summary>
/// Handles the specified message.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="store">The object store.</param>
/// <returns></returns>
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
InvokeMessageReceived(new TrapV2MessageReceivedEventArgs(context.Sender, (TrapV2Message)context.Request, context.Binding));
}
/// <summary>
/// Handles the specified message.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="store">The object store.</param>
/// <returns></returns>
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
InvokeMessageReceived(new InformRequestMessageReceivedEventArgs(context.Sender, (InformRequestMessage)context.Request, context.Binding));
context.CopyRequest(ErrorCode.NoError, 0);
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
var status = ErrorCode.NoError;
var index = 0;
IList<Variable> result = new List<Variable>();
foreach (var v in context.Request.Pdu().Variables)
{
index++;
try
{
var next = store.GetNextObject(v.Id);
if (next == null)
{
status = ErrorCode.NoSuchName;
}
else
{
// TODO: how to handle write only object here?
result.Add(next.Variable);
}
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
if (status == ErrorCode.NoError)
{
continue;
}
context.CopyRequest(status, index);
return;
}
context.GenerateResponse(result);
}
private static string GetLogEntry(ISnmpContext context)
{
return string.Format(
CultureInfo.InvariantCulture,
"{0} {1} {2} {3} {4} {5} {6} {7} {8} {9}",
DateTime.UtcNow,
context.Binding.Endpoint.Address,
context.Request.TypeCode() == SnmpType.Unknown ? Empty : context.Request.TypeCode().ToString(),
GetStem(context.Request.Pdu().Variables),
context.Binding.Endpoint.Port,
context.Request.Parameters.UserName,
context.Sender.Address,
(context.Response == null) ? Empty : context.Response.Pdu().ErrorStatus.ToErrorCode().ToString(),
context.Request.Version,
DateTime.Now.Subtract(context.CreatedTime).TotalMilliseconds);
}
/// <summary>
/// Creates a pipeline for the specified context.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public SnmpApplication Create(ISnmpContext context)
{
SnmpApplication result = null;
lock (_root)
{
if (_queue.Count > 0)
{
result = _queue.Dequeue();
}
}
if (result == null)
{
result = new SnmpApplication(this, _logger, _store, _membershipProvider, _factory);
}
result.Init(context);
return result;
}
/// <summary>
/// Creates a pipeline for the specified context.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public SnmpApplication Create(ISnmpContext context)
{
SnmpApplication result = null;
lock (_root)
{
if (_queue.Count > 0)
{
result = _queue.Dequeue();
}
}
if (result == null)
{
result = new SnmpApplication(this, _logger, _store, _membershipProvider, _factory);
}
result.Init(context);
return(result);
}
/// <summary>
/// Authenticates the request.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public bool AuthenticateRequest(ISnmpContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (context.Request.Version != Version)
{
return(false);
}
var parameters = context.Request.Parameters;
if (context.Request.Pdu().TypeCode == SnmpType.SetRequestPdu)
{
return(parameters.UserName == _set);
}
return(parameters.UserName == _get);
}
/// <summary>
/// Authenticates the request.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public bool AuthenticateRequest(ISnmpContext context)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
var request = context.Request;
if (request.Version != Version)
{
return false;
}
var parameters = request.Parameters;
if (request.Pdu().TypeCode == SnmpType.SetRequestPdu)
{
return parameters.UserName == _set;
}
return parameters.UserName == _get;
}
/// <summary>
/// <see cref="IMembershipProvider.AuthenticateRequest(ISnmpContext)"/>
/// </summary>
public bool AuthenticateRequest(ISnmpContext context, IList <IMembershipProvider> matchedMemberships)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (matchedMemberships == null)
{
matchedMemberships = new List <IMembershipProvider>();
}
var isAuthenticated = context.Request.Version == Version && context.HandleMembership();
if (isAuthenticated)
{
matchedMemberships.Add(this);
}
return(isAuthenticated);
}
/// <summary>
/// Authenticates the request.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public bool AuthenticateRequest(ISnmpContext context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
ISnmpMessage request = context.Request;
if (request.Version != Version)
{
return(false);
}
SecurityParameters parameters = request.Parameters;
if (request.Pdu().TypeCode == SnmpType.SetRequestPdu)
{
return(parameters.UserName == _set);
}
return(parameters.UserName == _get);
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (store == null)
{
throw new ArgumentNullException(nameof(store));
}
context.CopyRequest(ErrorCode.InconsistentName, int.MaxValue);
if (context.TooBig)
{
context.GenerateTooBig();
return;
}
var index = 0;
var status = ErrorCode.NoError;
List <Variable> result = Pools.GetVariableList();
foreach (var v in context.Request.Pdu().Variables)
{
index++;
var obj = store.GetObject(v.Id);
if (obj != null)
{
try
{
obj.Data = v.Data;
}
catch (AccessFailureException)
{
status = ErrorCode.NoAccess;
}
catch (ArgumentException ex)
{
if (!Enum.TryParse <ErrorCode>(ex.Message, out status) || status == ErrorCode.NoError)
{
status = ErrorCode.WrongType;
}
}
catch (Exception)
{
status = ErrorCode.GenError;
}
}
else
{
status = ErrorCode.NotWritable;
}
if (status != ErrorCode.NoError)
{
context.CopyRequest(status, index);
return;
}
result.Add(v);
}
context.GenerateResponse(result);
}
/// <summary>
/// Inits the specified context.
/// </summary>
/// <param name="context">The context.</param>
public void Init(ISnmpContext context)
{
Context = context;
ProcessingFinished = false;
_handler = null;
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
var pdu = context.Request.Pdu();
IList<Variable> result = new List<Variable>();
var index = 0;
var nonrepeaters = pdu.ErrorStatus.ToInt32();
var variables = pdu.Variables;
for (var i = 0; i < nonrepeaters; i++)
{
var v = variables[i];
index++;
try
{
var next = store.GetNextObject(v.Id);
result.Add(next == null ? new Variable(v.Id, new EndOfMibView()) : next.Variable);
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
for (var j = nonrepeaters; j < variables.Count; j++)
{
var v = variables[j];
index++;
var temp = v;
var repetition = pdu.ErrorIndex.ToInt32();
while (repetition-- > 0)
{
try
{
var next = store.GetNextObject(temp.Id);
if (next == null)
{
temp = new Variable(temp.Id, new EndOfMibView());
result.Add(temp);
break;
}
// TODO: how to handle write only object here?
result.Add(next.Variable);
temp = next.Variable;
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
}
context.GenerateResponse(result);
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
if (store == null)
{
throw new ArgumentNullException("store");
}
context.CopyRequest(ErrorCode.InconsistentName, int.MaxValue);
if (context.TooBig)
{
context.GenerateTooBig();
return;
}
int index = 0;
ErrorCode status = ErrorCode.NoError;
IList <Variable> result = new List <Variable>();
foreach (Variable v in context.Request.Pdu().Variables)
{
index++;
ScalarObject obj = store.GetObject(v.Id);
if (obj != null)
{
try
{
obj.Data = v.Data;
}
catch (AccessFailureException)
{
status = ErrorCode.NoAccess;
}
catch (ArgumentException)
{
status = ErrorCode.WrongType;
}
catch (Exception)
{
status = ErrorCode.GenError;
}
}
else
{
status = ErrorCode.NotWritable;
}
if (status != ErrorCode.NoError)
{
context.CopyRequest(status, index);
return;
}
result.Add(v);
}
context.GenerateResponse(result);
}
/// <summary>
/// Authenticates the request.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public bool AuthenticateRequest(ISnmpContext context)
{
return(_providers.Any(provider => provider.AuthenticateRequest(context)));
}
/// <summary>
/// Inits the specified context.
/// </summary>
/// <param name="context">The context.</param>
public void Init(ISnmpContext context)
{
Context = context;
ProcessingFinished = false;
_handler = null;
}
public void Handle(ISnmpContext context, ObjectStore store)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (store == null)
{
throw new ArgumentNullException(nameof(store));
}
var pdu = context.Request.Pdu();
IList <Variable> result = new List <Variable>();
var index = 0;
var nonrepeaters = pdu.ErrorStatus.ToInt32();
var variables = pdu.Variables;
for (var i = 0; i < nonrepeaters; i++)
{
var v = variables[i];
index++;
try
{
var next = store.GetNextObject(v.Id);
result.Add(next == null ? new Variable(v.Id, new EndOfMibView()) : next.Variable);
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
for (var j = nonrepeaters; j < variables.Count; j++)
{
var v = variables[j];
index++;
var temp = v;
var repetition = pdu.ErrorIndex.ToInt32();
while (repetition-- > 0)
{
try
{
var next = store.GetNextObject(temp.Id);
if (next == null)
{
temp = new Variable(temp.Id, new EndOfMibView());
result.Add(temp);
break;
}
// TODO: how to handle write only object here?
result.Add(next.Variable);
temp = next.Variable;
}
catch (Exception)
{
context.CopyRequest(ErrorCode.GenError, index);
return;
}
}
}
context.GenerateResponse(result);
}
public void Log(ISnmpContext context)
{
Handler?.Invoke(null, EventArgs.Empty);
}
/// <summary>
/// Authenticates the request.
/// </summary>
/// <param name="context">The context.</param>
/// <returns></returns>
public bool AuthenticateRequest(ISnmpContext context)
{
return _providers.Any(provider => provider.AuthenticateRequest(context));
}
public void Log(ISnmpContext context)
{
_log.From().Trace(GetLogEntry(context));
}
