protected override void OnListen()
{
string listenHost = this.transportSettings.Host;
Fx.Assert(listenHost != null, "Host cannot be null!");
List <IPAddress> addresses = new List <IPAddress>();
IPAddress ipAddress;
// TODO: Fix this code to listen on Any address for FQDN pointing to the local host machine.
if (listenHost.Equals(string.Empty))
{
addresses.AddRange(Dns.GetHostAddressesAsync(listenHost).Result);
}
else if (listenHost.Equals("localhost", StringComparison.OrdinalIgnoreCase) ||
listenHost.Equals(Environment.GetEnvironmentVariable("COMPUTERNAME"), StringComparison.OrdinalIgnoreCase) ||
listenHost.Equals(Dns.GetHostEntryAsync(string.Empty).Result.HostName, StringComparison.OrdinalIgnoreCase))
{
if (Socket.OSSupportsIPv4)
{
addresses.Add(IPAddress.Any);
}
if (Socket.OSSupportsIPv6)
{
addresses.Add(IPAddress.IPv6Any);
}
}
else if (IPAddress.TryParse(listenHost, out ipAddress))
{
addresses.Add(ipAddress);
}
else
{
addresses.AddRange(Dns.GetHostAddressesAsync(this.transportSettings.Host).Result);
}
if (addresses.Count == 0)
{
throw new InvalidOperationException(AmqpResources.GetString(AmqpResources.AmqpNoValidAddressForHost, this.transportSettings.Host));
}
this.listenSockets = new Socket[addresses.Count];
for (int i = 0; i < addresses.Count; ++i)
{
this.listenSockets[i] = new Socket(addresses[i].AddressFamily, SocketType.Stream, ProtocolType.Tcp)
{
NoDelay = true
};
this.listenSockets[i].Bind(new IPEndPoint(addresses[i], this.transportSettings.Port));
this.listenSockets[i].Listen(this.transportSettings.TcpBacklog);
for (int j = 0; j < this.transportSettings.ListenerAcceptorCount; ++j)
{
SocketAsyncEventArgs listenEventArgs = new SocketAsyncEventArgs();
listenEventArgs.Completed += new EventHandler <SocketAsyncEventArgs>(this.OnAcceptComplete);
listenEventArgs.UserToken = this.listenSockets[i];
ActionItem.Schedule(this.acceptTransportLoop, listenEventArgs);
}
}
}
static void OnTimer(object state)
{
var thisPtr = (TimeoutTaskSource <T>)state;
thisPtr.onTimeout(thisPtr.t);
thisPtr.TrySetException(new TimeoutException(AmqpResources.GetString(AmqpResources.AmqpTimeout, thisPtr.timeout, typeof(T).Name)));
}
internal override void EnsureRequired()
{
if (this.ContainerId == null)
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpRequiredFieldNotSet, "container-id", Name));
}
}
public static void DecodeDescriptor(ByteBuffer buffer, out AmqpSymbol name, out ulong code)
{
name = default(AmqpSymbol);
code = 0;
FormatCode formatCode = AmqpEncoding.ReadFormatCode(buffer);
if (formatCode == FormatCode.Described)
{
formatCode = AmqpEncoding.ReadFormatCode(buffer);
}
if (formatCode == FormatCode.Symbol8 ||
formatCode == FormatCode.Symbol32)
{
name = SymbolEncoding.Decode(buffer, formatCode);
}
else if (formatCode == FormatCode.ULong ||
formatCode == FormatCode.ULong0 ||
formatCode == FormatCode.SmallULong)
{
code = ULongEncoding.Decode(buffer, formatCode).Value;
}
else
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpInvalidFormatCode, formatCode, buffer.Offset));
}
}
protected override void EnsureRequired()
{
if (!this.Handle.HasValue)
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpRequiredFieldNotSet, "handle", Name));
}
}
static void Validate(int bufferSize, int dataSize)
{
if (bufferSize < dataSize)
{
throw new AmqpException(AmqpErrorCode.DecodeError, AmqpResources.GetString(AmqpResources.AmqpInsufficientBufferSize, dataSize, bufferSize));
}
}
protected override void EnsureRequired()
{
if (this.Condition.Value == null)
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpRequiredFieldNotSet, "condition", Name));
}
}
public static string Decode(ByteBuffer buffer, FormatCode formatCode)
{
if (formatCode == 0 && (formatCode = AmqpEncoding.ReadFormatCode(buffer)) == FormatCode.Null)
{
return(null);
}
int count;
Encoding encoding;
if (formatCode == FormatCode.String8Utf8)
{
count = (int)AmqpBitConverter.ReadUByte(buffer);
encoding = Encoding.UTF8;
}
else if (formatCode == FormatCode.String32Utf8)
{
count = (int)AmqpBitConverter.ReadUInt(buffer);
encoding = Encoding.UTF8;
}
else
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpInvalidFormatCode, formatCode, buffer.Offset));
}
string value = encoding.GetString(buffer.Buffer, buffer.Offset, count);
buffer.Complete(count);
return(value);
}
// This list should have non-SB related exceptions. The contract that handles SB exceptions
// are in ExceptionHelper
public static Error FromException(Exception exception)
{
AmqpException amqpException = exception as AmqpException;
if (amqpException != null)
{
return(amqpException.Error);
}
Error error = new Error();
error.Description = exception.Message;
if (exception is UnauthorizedAccessException)
{
error.Condition = AmqpErrorCode.UnauthorizedAccess;
}
else if (exception is InvalidOperationException)
{
error.Condition = AmqpErrorCode.NotAllowed;
}
#if NET45
else if (exception is System.Transactions.TransactionAbortedException)
{
error.Condition = AmqpErrorCode.TransactionRollback;
}
#endif
else if (exception is NotImplementedException)
{
error.Condition = AmqpErrorCode.NotImplemented;
}
else
{
error.Condition = AmqpErrorCode.InternalError;
error.Description = AmqpResources.GetString(AmqpResources.AmqpErrorOccurred, AmqpErrorCode.InternalError);
}
// Set the error details if 'IncludeErrorDetails' is set explicitly
if (IncludeErrorDetails)
{
error.Description = exception.Message;
}
#if DEBUG
error.Info = new Fields();
// Limit the size of the exception string as it may exceed the conneciton max frame size
string exceptionString = exception.ToString();
if (exceptionString.Length > MaxSizeInInfoMap)
{
exceptionString = exceptionString.Substring(0, MaxSizeInInfoMap);
}
error.Info.Add("exception", exceptionString);
#endif
return(error);
}
protected override TransportBase OnCreateTransport(TransportBase innerTransport, bool isInitiator)
{
if (innerTransport.GetType() != typeof(TcpTransport))
{
throw new InvalidOperationException(AmqpResources.GetString(AmqpResources.AmqpTransportUpgradeNotAllowed,
innerTransport.GetType().Name, typeof(TlsTransport).Name));
}
return(new TlsTransport(innerTransport, this.tlsSettings));
}
public static object DecodeObject(ByteBuffer buffer, FormatCode formatCode)
{
EncodingBase encoding;
if (encodingsByCode.TryGetValue(formatCode, out encoding))
{
return(encoding.DecodeObject(buffer, formatCode));
}
throw GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpInvalidFormatCode, formatCode, buffer.Offset));
}
/// <summary>
/// Server receives the client init that may contain the initial response message.
/// </summary>
void OnSaslInit(SaslInit init)
{
if (this.state != SaslState.WaitingForInit)
{
throw new AmqpException(AmqpErrorCode.IllegalState, AmqpResources.GetString(AmqpResources.AmqpIllegalOperationState, "R:SASL-INIT", this.state));
}
this.state = SaslState.Negotiating;
this.saslHandler = this.provider.GetHandler(init.Mechanism.Value, true);
this.saslHandler.Start(this, init, false);
}
protected override void Initialize(ByteBuffer buffer, FormatCode formatCode,
out int size, out int count, out int encodeWidth, out Collection effectiveType)
{
if (formatCode != FormatCode.Map32 && formatCode != FormatCode.Map8)
{
throw new AmqpException(AmqpErrorCode.InvalidField, AmqpResources.GetString(AmqpResources.AmqpInvalidFormatCode, formatCode, buffer.Offset));
}
encodeWidth = formatCode == FormatCode.Map8 ? FixedWidth.UByte : FixedWidth.UInt;
AmqpEncoding.ReadSizeAndCount(buffer, formatCode, FormatCode.Map8, FormatCode.Map32, out size, out count);
effectiveType = this;
}
static DescribedType Decode(ByteBuffer buffer, FormatCode formatCode)
{
if (formatCode != FormatCode.Described)
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpInvalidFormatCode, formatCode, buffer.Offset));
}
object descriptor = AmqpEncoding.DecodeObject(buffer);
object value = AmqpEncoding.DecodeObject(buffer);
return(new DescribedType(descriptor, value));
}
internal override void EnsureRequired()
{
if (!this.Role.HasValue)
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpRequiredFieldNotSet, "role", Name));
}
if (!this.First.HasValue)
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpRequiredFieldNotSet, "first", Name));
}
}
protected override TransportBase OnCreateTransport(TransportBase innerTransport, bool isInitiator)
{
#if !PCL
if (innerTransport.GetType() != typeof(TcpTransport))
{
throw new InvalidOperationException(AmqpResources.GetString(AmqpResources.AmqpTransportUpgradeNotAllowed,
innerTransport.GetType().Name, typeof(TlsTransport).Name));
}
return(new TlsTransport(innerTransport, this.tlsSettings));
#else
throw new NotImplementedException(Microsoft.Azure.Amqp.PCL.Resources.ReferenceAssemblyInvalidUse);
#endif
}
public static void ReadCount(ByteBuffer buffer, FormatCode formatCode, FormatCode formatCode8, FormatCode formatCode32, out int count)
{
if (formatCode == formatCode8)
{
count = AmqpBitConverter.ReadUByte(buffer);
}
else if (formatCode == formatCode32)
{
count = (int)AmqpBitConverter.ReadUInt(buffer);
}
else
{
throw GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpInvalidFormatCode, formatCode, buffer.Offset));
}
}
void OnReadHeaderComplete(TransportAsyncCallbackArgs args)
{
if (args.Exception != null)
{
AmqpTrace.Provider.AmqpLogError(this, "ReadHeader", args.Exception.Message);
this.Complete(args);
return;
}
try
{
ProtocolHeader receivedHeader = new ProtocolHeader();
receivedHeader.Decode(new ByteBuffer(args.Buffer, args.Offset, args.Count));
#if DEBUG
receivedHeader.Trace(false);
AmqpTrace.Provider.AmqpLogOperationVerbose(this, TraceOperation.Receive, receivedHeader);
#endif
if (!receivedHeader.Equals(this.sentHeader))
{
// TODO: need to reconnect with the reply version if supported
throw new AmqpException(AmqpErrorCode.NotImplemented, AmqpResources.GetString(AmqpResources.AmqpProtocolVersionNotSupported, this.sentHeader, receivedHeader));
}
// upgrade transport
TransportBase secureTransport = this.settings.TransportProviders[this.providerIndex].CreateTransport(args.Transport, true);
AmqpTrace.Provider.AmqpUpgradeTransport(this, args.Transport, secureTransport);
args.Transport = secureTransport;
IAsyncResult result = args.Transport.BeginOpen(this.timeoutHelper.RemainingTime(), this.OnTransportOpenCompete, args);
if (result.CompletedSynchronously)
{
this.HandleTransportOpened(result);
}
}
catch (Exception exp)
{
if (Fx.IsFatal(exp))
{
throw;
}
AmqpTrace.Provider.AmqpLogError(this, "OnProtocolHeader", exp.Message);
args.Exception = exp;
this.Complete(args);
}
}
public void Decode(ByteBuffer buffer)
{
if (buffer.Length < this.EncodeSize)
{
throw new AmqpException(AmqpErrorCode.DecodeError, AmqpResources.GetString(AmqpResources.AmqpInsufficientBufferSize, this.EncodeSize, buffer.Length));
}
uint prefix = AmqpBitConverter.ReadUInt(buffer);
if (prefix != ProtocolHeader.AmqpPrefix)
{
throw new AmqpException(AmqpErrorCode.DecodeError, "ProtocolName" + prefix.ToString("X8"));
}
this.protocolId = (ProtocolId)AmqpBitConverter.ReadUByte(buffer);
this.version = new AmqpVersion(
AmqpBitConverter.ReadUByte(buffer),
AmqpBitConverter.ReadUByte(buffer),
AmqpBitConverter.ReadUByte(buffer));
}
internal override void EnsureRequired()
{
if (this.LinkName == null)
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpRequiredFieldNotSet, "name", Name));
}
if (!this.Handle.HasValue)
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpRequiredFieldNotSet, "handle", Name));
}
if (!this.Role.HasValue)
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpRequiredFieldNotSet, "role", Name));
}
////if (!this.Role.Value && this.InitialDeliveryCount == null)
////{
//// throw AmqpEncoding.GetEncodingException("attach.initial-delivery-count");
////}
}
public static EncodingBase GetEncoding(Type type)
{
EncodingBase encoding = null;
if (encodingsByType.TryGetValue(type, out encoding))
{
return(encoding);
}
else if (type.IsArray)
{
return(arrayEncoding);
}
else if (typeof(IList).IsAssignableFrom(type))
{
return(listEncoding);
}
else if (typeof(DescribedType).IsAssignableFrom(type))
{
return(describedTypeEncoding);
}
throw new NotSupportedException(AmqpResources.GetString(AmqpResources.AmqpInvalidType, type.ToString()));
}
/// <summary>
/// Client receives the announced server mechanisms.
/// </summary>
void OnSaslServerMechanisms(SaslMechanisms mechanisms)
{
if (this.state != SaslState.WaitingForServerMechanisms)
{
throw new AmqpException(AmqpErrorCode.IllegalState, AmqpResources.GetString(AmqpResources.AmqpIllegalOperationState, "R:SASL-MECH", this.state));
}
string mechanismToUse = null;
foreach (string mechanism in this.provider.Mechanisms)
{
if (mechanisms.SaslServerMechanisms.Contains(new AmqpSymbol(mechanism)))
{
mechanismToUse = mechanism;
break;
}
if (mechanismToUse != null)
{
break;
}
}
if (mechanismToUse == null)
{
throw new AmqpException(
AmqpErrorCode.NotFound,
AmqpResources.GetString(AmqpResources.AmqpNotSupportMechanism, mechanisms.SaslServerMechanisms.ToString(), string.Join(",", this.provider.Mechanisms)));
}
this.state = SaslState.Negotiating;
this.saslHandler = this.provider.GetHandler(mechanismToUse, true);
SaslInit init = new SaslInit();
init.Mechanism = mechanismToUse;
this.saslHandler.Start(this, init, true);
}
internal static decimal DecodeValue(ByteBuffer buffer, FormatCode formatCode)
{
decimal value = 0;
switch (formatCode)
{
case FormatCode.Decimal32:
value = DecimalEncoding.DecodeDecimal32(buffer);
break;
case FormatCode.Decimal64:
value = DecimalEncoding.DecodeDecimal64(buffer);
break;
case FormatCode.Decimal128:
value = DecimalEncoding.DecodeDecimal128(buffer);
break;
default:
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpInvalidFormatCode, formatCode, buffer.Offset));
}
return(value);
}
public static EncodingBase GetEncoding(object value)
{
EncodingBase encoding = null;
Type type = value.GetType();
if (encodingsByType.TryGetValue(type, out encoding))
{
return(encoding);
}
else if (type.IsArray)
{
return(arrayEncoding);
}
else if (value is IList)
{
return(listEncoding);
}
else if (value is DescribedType)
{
return(describedTypeEncoding);
}
throw new NotSupportedException(AmqpResources.GetString(AmqpResources.AmqpInvalidType, type.ToString()));
}
protected override void Initialize(ByteBuffer buffer, FormatCode formatCode,
out int size, out int count, out int encodeWidth, out Collection effectiveType)
{
if (formatCode != FormatCode.Described)
{
throw new AmqpException(AmqpErrorCode.InvalidField, AmqpResources.GetString(AmqpResources.AmqpInvalidFormatCode, formatCode, buffer.Offset));
}
effectiveType = null;
formatCode = AmqpEncoding.ReadFormatCode(buffer);
ulong? code = null;
AmqpSymbol symbol = default(AmqpSymbol);
if (formatCode == FormatCode.ULong0)
{
code = 0;
}
else if (formatCode == FormatCode.ULong || formatCode == FormatCode.SmallULong)
{
code = ULongEncoding.Decode(buffer, formatCode);
}
else if (formatCode == FormatCode.Symbol8 || formatCode == FormatCode.Symbol32)
{
symbol = SymbolEncoding.Decode(buffer, formatCode);
}
if (this.AreEqual(this.descriptorCode, this.descriptorName, code, symbol))
{
effectiveType = this;
}
else if (this.knownTypes != null)
{
for (int i = 0; i < this.knownTypes.Count; ++i)
{
Composite knownType = (Composite)this.serializer.GetType(this.knownTypes[i]);
if (this.AreEqual(knownType.descriptorCode, knownType.descriptorName, code, symbol))
{
effectiveType = knownType;
break;
}
}
}
if (effectiveType == null)
{
throw new SerializationException(AmqpResources.GetString(AmqpResources.AmqpUnknownDescriptor, code ?? (object)symbol.Value, this.type.Name));
}
formatCode = AmqpEncoding.ReadFormatCode(buffer);
if (this.Code == FormatCode.List32)
{
if (formatCode == FormatCode.List0)
{
size = count = encodeWidth = 0;
}
else
{
encodeWidth = formatCode == FormatCode.List8 ? FixedWidth.UByte : FixedWidth.UInt;
AmqpEncoding.ReadSizeAndCount(buffer, formatCode, FormatCode.List8,
FormatCode.List32, out size, out count);
}
}
else
{
encodeWidth = formatCode == FormatCode.Map8 ? FixedWidth.UByte : FixedWidth.UInt;
AmqpEncoding.ReadSizeAndCount(buffer, formatCode, FormatCode.Map8,
FormatCode.Map32, out size, out count);
}
}
SerializableType CompileType(Type type, bool describedOnly)
{
var typeAttributes = type.GetTypeInfo().GetCustomAttributes(typeof(AmqpContractAttribute), false);
if (!typeAttributes.Any())
{
if (describedOnly)
{
return(null);
}
else
{
return(CompileNonContractTypes(type));
}
}
AmqpContractAttribute contractAttribute = (AmqpContractAttribute)typeAttributes.First();
SerializableType baseType = null;
if (type.GetTypeInfo().BaseType != typeof(object))
{
baseType = this.CompileType(type.GetTypeInfo().BaseType, true);
if (baseType != null)
{
if (baseType.Encoding != contractAttribute.Encoding)
{
throw new SerializationException(AmqpResources.GetString(AmqpResources.AmqpEncodingTypeMismatch, type.Name, contractAttribute.Encoding, type.GetTypeInfo().BaseType.Name, baseType.Encoding));
}
this.customTypeCache.TryAdd(type.GetTypeInfo().BaseType, baseType);
}
}
string descriptorName = contractAttribute.Name;
ulong? descriptorCode = contractAttribute.InternalCode;
if (descriptorName == null && descriptorCode == null)
{
descriptorName = type.FullName;
}
List <SerialiableMember> memberList = new List <SerialiableMember>();
if (contractAttribute.Encoding == EncodingType.List && baseType != null)
{
memberList.AddRange(baseType.Members);
}
int lastOrder = memberList.Count + 1;
MemberInfo[] memberInfos = type.GetMembers(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
MethodAccessor onDeserialized = null;
foreach (MemberInfo memberInfo in memberInfos)
{
if (memberInfo.DeclaringType != type)
{
continue;
}
if (memberInfo is FieldInfo ||
memberInfo is PropertyInfo)
{
var memberAttributes = memberInfo.GetCustomAttributes(typeof(AmqpMemberAttribute), true);
if (memberAttributes.Count() != 1)
{
continue;
}
AmqpMemberAttribute attribute = (AmqpMemberAttribute)memberAttributes.First();
SerialiableMember member = new SerialiableMember();
member.Name = attribute.Name ?? memberInfo.Name;
member.Order = attribute.InternalOrder ?? lastOrder++;
member.Mandatory = attribute.Mandatory;
member.Accessor = MemberAccessor.Create(memberInfo, true);
// This will recursively resolve member types
Type memberType = memberInfo is FieldInfo ? ((FieldInfo)memberInfo).FieldType : ((PropertyInfo)memberInfo).PropertyType;
member.Type = GetType(memberType);
memberList.Add(member);
}
else if (memberInfo is MethodInfo)
{
var memberAttributes = memberInfo.GetCustomAttributes(typeof(OnDeserializedAttribute), false);
if (memberAttributes.Count() == 1)
{
onDeserialized = MethodAccessor.Create((MethodInfo)memberInfo);
}
}
}
if (contractAttribute.Encoding == EncodingType.List)
{
memberList.Sort(MemberOrderComparer.Instance);
int order = -1;
foreach (SerialiableMember member in memberList)
{
if (order > 0 && member.Order == order)
{
throw new SerializationException(AmqpResources.GetString(AmqpResources.AmqpDuplicateMemberOrder, order, type.Name));
}
order = member.Order;
}
}
SerialiableMember[] members = memberList.ToArray();
Dictionary <Type, SerializableType> knownTypes = null;
foreach (object o in type.GetTypeInfo().GetCustomAttributes(typeof(KnownTypeAttribute), false))
{
KnownTypeAttribute knownAttribute = (KnownTypeAttribute)o;
if (knownAttribute.Type.GetTypeInfo().GetCustomAttributes(typeof(AmqpContractAttribute), false).Any())
{
if (knownTypes == null)
{
knownTypes = new Dictionary <Type, SerializableType>();
}
// KnownType compilation is delayed and non-recursive to avoid circular references
knownTypes.Add(knownAttribute.Type, null);
}
}
if (contractAttribute.Encoding == EncodingType.List)
{
return(SerializableType.CreateDescribedListType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, onDeserialized));
}
else if (contractAttribute.Encoding == EncodingType.Map)
{
return(SerializableType.CreateDescribedMapType(this, type, baseType, descriptorName,
descriptorCode, members, knownTypes, onDeserialized));
}
else
{
throw new NotSupportedException(contractAttribute.Encoding.ToString());
}
}
static void ThrowInvalidFormatCodeException(FormatCode formatCode, int offset)
{
throw AmqpEncoding.GetEncodingException(AmqpResources.GetString(AmqpResources.AmqpInvalidFormatCode, formatCode, offset));
}
