/// <summary>
/// Parses the binary data and returns an extension
/// </summary>
/// <param name="data">Data to parse. The data may contain multiple extensions, but only the first one is returned</param>
/// <returns>New extension if the extension is supported</returns>
internal ExtensionBase GetExtension(SlpReader reader)
{
var id = reader.ReadInt16();
if (id < 0 || id > 0x8ff)
{
throw new ServiceProtocolException(ServiceErrorCode.OptionNotUnderstood, "The ID was out of the allowed range of possible values.");
}
if (id >= 0x400 && id < 0x800)
{
if (!_RegisteredExtensions.ContainsKey(id))
{
throw new ServiceProtocolException(ServiceErrorCode.OptionNotUnderstood);
}
}
if (!_RegisteredExtensions.ContainsKey(id))
{
return(null);
}
var result = (ExtensionBase)Services.Locator.GetInstance(_RegisteredExtensions[id]);
return(result.Create(reader));
}
public virtual AttributeCollection CreateAttributeCollection(SlpReader reader)
{
var tmp = reader.ReadRawString();
var result = new AttributeCollection();
foreach (var item in tmp.Split(','))
{
var pair = item.Split('=');
string key = null, value = null;
if (pair.Length == 1)
{
key = reader.Unescape(pair[0]);
}
else if (pair.Length == 2)
{
key = reader.Unescape(pair[0]);
value = reader.Unescape(pair[1]);
}
else
{
throw new ServiceProtocolException(ServiceErrorCode.ParseError);
}
result.Add(key, value);
}
return(result);
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
var tmp = reader.ReadList();
ServiceTypes = new ReadOnlyCollection<ServiceUri>(tmp.Select(s => new ServiceUri("service:" + s)).ToArray());
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
ErrorCode = (ServiceErrorCode)reader.ReadInt16();
Attributes = Services.Locator.GetInstance <AttributeCollection>(reader);
ReadAuthBlocks(reader, AuthBlocks);
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
Scopes.AddRange(reader.ReadList());
Service = Services.Locator.GetInstance <ServiceEntry>(reader);
Tags.AddRange(reader.ReadList());
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
var tmp = reader.ReadList();
ServiceTypes = new ReadOnlyCollection <ServiceUri>(tmp.Select(s => new ServiceUri("service:" + s)).ToArray());
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
Scopes.AddRange(reader.ReadList());
Service = Services.Locator.GetInstance<ServiceEntry>(reader);
Tags.AddRange(reader.ReadList());
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
ErrorCode = (ServiceErrorCode)reader.ReadInt16();
Attributes = Services.Locator.GetInstance<AttributeCollection>(reader);
ReadAuthBlocks(reader, AuthBlocks);
}
/// <summary>
/// Initalises a new extension from the received data
/// </summary>
/// <param name="data">byte array of data to parse</param>
/// <returns>new UserDefined Extension</returns>
internal override ExtensionBase Create(SlpReader reader)
{
var result = new UnknownExtension();
result._Id = reader.ReadInt16();
result.Offset = reader.ReadInt24();
result.Data = reader.ReadBytes(result.Offset);
return result;
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
ReadIPList(reader, PreviousResponders);
Scopes.AddRange(reader.ReadList());
AttributeFilter = reader.ReadString();
Spi = reader.ReadString();
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
var tmp = reader.ReadString();
Scopes.AddRange(reader.ReadList());
Uri = new ServiceUri(tmp, Services.Locator.GetInstance<AttributeCollection>(reader));
ReadAuthBlocks(reader, AuthBlocks);
}
/// <summary>
/// Initalises a new extension from the received data
/// </summary>
/// <param name="data">byte array of data to parse</param>
/// <returns>new AttributeMissing Extension</returns>
internal override ExtensionBase Create(SlpReader reader)
{
var result = new AttributeMissingExtension();
Offset = reader.ReadInt24();
TemplateName = reader.ReadString();
Attributes.AddRange(reader.TagListDecode(false));
return result;
}
/// <summary>
/// Initalises a new extension from the received data
/// </summary>
/// <param name="data">byte array of data to parse</param>
/// <returns>new UserDefined Extension</returns>
internal override ExtensionBase Create(SlpReader reader)
{
var result = new UnknownExtension();
result._Id = reader.ReadInt16();
result.Offset = reader.ReadInt24();
result.Data = reader.ReadBytes(result.Offset);
return(result);
}
protected void ReadIPList(SlpReader reader, IList<IPAddress> list)
{
foreach (var item in reader.ReadList())
{
var i = IPAddress.Parse(item);
if (i.AddressFamily != AddressFamily.InterNetwork)
throw new ServiceException("IP v4 addresses are the only allowable type.");
list.Add(i);
}
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
ReadIPList(reader, PreviousResponders);
Uri = new ServiceUri(reader.ReadString());
Scopes.AddRange(reader.ReadList());
Tags.AddRange(reader.ReadList());
Spi = reader.ReadString();
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
var tmp = reader.ReadString();
Scopes.AddRange(reader.ReadList());
Uri = new ServiceUri(tmp, Services.Locator.GetInstance <AttributeCollection>(reader));
ReadAuthBlocks(reader, AuthBlocks);
}
/// <summary>
/// Initalises a new extension from the received data
/// </summary>
/// <param name="data">byte array of data to parse</param>
/// <returns>new AttributeMissing Extension</returns>
internal override ExtensionBase Create(SlpReader reader)
{
var result = new AttributeMissingExtension();
Offset = reader.ReadInt24();
TemplateName = reader.ReadString();
Attributes.AddRange(reader.TagListDecode(false));
return(result);
}
/// <summary>
/// Read the authblocks bytes and create any authblocks, firing the event when a block is added
/// </summary>
/// <param name="reader">reader</param>
/// <param name="authBlocks">list of authblocks</param>
protected void ReadAuthBlocks(SlpReader reader, ICollection <Security.AuthenticationBlock> authBlocks)
{
var count = reader.ReadByte();
for (int i = 0; i < count; i++)
{
var a = Services.Locator.GetInstance <Security.AuthenticationBlock>(reader);
authBlocks.Add(a);
OnAuthenticated(this, a);
}
}
public virtual Security.AuthenticationBlock CreateAuthenticationBlock(SlpReader reader)
{
var result = new Security.AuthenticationBlock();
result.Descriptor = reader.ReadInt16();
var length = reader.ReadInt16();
result.TimeStamp = reader.ReadDateTime();
result.SpiString = reader.ReadString();
result.Data = reader.ReadBytes(length);
return result;
}
protected void ReadIPList(SlpReader reader, IList <IPAddress> list)
{
foreach (var item in reader.ReadList())
{
var i = IPAddress.Parse(item);
if (i.AddressFamily != AddressFamily.InterNetwork)
{
throw new ServiceException("IP v4 addresses are the only allowable type.");
}
list.Add(i);
}
}
public MessageBase Read(SlpReader reader)
{
var v = reader.ReadByte();
if (v != 1 && v != 2)
throw new ServiceProtocolException(ServiceErrorCode.VersionNotSupported);
var tmp = reader.ReadByte();
MessageBase result = null;
switch (tmp)
{
case 1:
result = new ServiceRequest();
break;
case 2:
result = new ServiceReply();
break;
case 3:
result = new ServiceRegistrationRequest();
break;
case 4:
result = new ServiceDeregistrationRequest();
break;
case 5:
result = new ServiceAcknowledgement();
break;
case 6:
result = new AttributeRequest();
break;
case 7:
result = new AttributeReply();
break;
case 8:
result = new DirectoryAgentAdvert();
break;
case 9:
result = new ServiceTypeRequest();
break;
case 10:
result = new ServiceTypeReply();
break;
case 11:
result = new ServiceAgentAdvert();
break;
default:
throw new ServiceProtocolException(ServiceErrorCode.ParseError);
}
result.Version = v;
result.Create(reader);
return result;
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
ErrorCode = (ServiceErrorCode)reader.ReadInt16();
BootTimeStamp = reader.ReadDateTime();
var url = reader.ReadString();
Scopes.AddRange(reader.ReadList());
Uri = new ServiceUri(url, Services.Locator.GetInstance <AttributeCollection>(reader));
SpiStrings.AddRange(reader.ReadList());
ReadAuthBlocks(reader, AuthBlocks);
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
var tmp = reader.ReadInt16();
var result = new ServiceEntry[tmp];
for (int i = 0; i < tmp; i++)
{
result[i] = Slp.Services.Locator.GetInstance<ServiceEntry>(reader);
}
Services = new ReadOnlyCollection<ServiceEntry>(result);
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
var tmp = reader.ReadInt16();
var result = new ServiceEntry[tmp];
for (int i = 0; i < tmp; i++)
{
result[i] = Slp.Services.Locator.GetInstance <ServiceEntry>(reader);
}
Services = new ReadOnlyCollection <ServiceEntry>(result);
}
public virtual Security.AuthenticationBlock CreateAuthenticationBlock(SlpReader reader)
{
var result = new Security.AuthenticationBlock();
result.Descriptor = reader.ReadInt16();
var length = reader.ReadInt16();
result.TimeStamp = reader.ReadDateTime();
result.SpiString = reader.ReadString();
result.Data = reader.ReadBytes(length);
return(result);
}
/// <summary>
/// Read the message bytes and set the properties on this instance
/// </summary>
/// <param name="reader"></param>
internal virtual void Create(SlpReader reader)
{
reader.ReadInt24();
var flags = reader.ReadByte();
IsOverFlow = (flags & 0x80) == 0x80;
IsFresh = (flags & 0x40) == 0x40;
IsMulticast = (flags & 0x20) == 0x20;
reader.ReadByte();
_ExtensionOffset = reader.ReadInt24();
MessageId = reader.ReadInt16();
Language = reader.ReadString();
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
var tmp = reader.ReadInt16();
if (tmp == 0xfff)
{
GetAllAuthorities = true;
}
else
{
NamingAuthority = reader.ReadString(tmp);
}
Scopes.AddRange(reader.ReadList());
}
public virtual ServiceEntry CreateServiceEntry(SlpReader reader)
{
if (reader.ReadByte() != 0)
throw new ServiceProtocolException(ServiceErrorCode.ParseError);
var result = new ServiceEntry();
result.Lifetime = reader.ReadTimeSpan();
result.Uri = new ServiceUri(reader.ReadString());
var count = reader.ReadByte();
for (int i = 0; i < count; i++)
{
var a = CreateAuthenticationBlock(reader);
result.AuthBlocks.Add(a);
ServiceEntry.OnAuthenticated(result, a);
}
return result;
}
public virtual ServiceEntry CreateServiceEntry(SlpReader reader)
{
if (reader.ReadByte() != 0)
{
throw new ServiceProtocolException(ServiceErrorCode.ParseError);
}
var result = new ServiceEntry();
result.Lifetime = reader.ReadTimeSpan();
result.Uri = new ServiceUri(reader.ReadString());
var count = reader.ReadByte();
for (int i = 0; i < count; i++)
{
var a = CreateAuthenticationBlock(reader);
result.AuthBlocks.Add(a);
ServiceEntry.OnAuthenticated(result, a);
}
return(result);
}
public virtual AttributeCollection CreateAttributeCollection(SlpReader reader)
{
var tmp = reader.ReadRawString();
var result = new AttributeCollection();
foreach (var item in tmp.Split(','))
{
var pair = item.Split('=');
string key = null, value = null;
if (pair.Length == 1)
key = reader.Unescape(pair[0]);
else if (pair.Length == 2)
{
key = reader.Unescape(pair[0]);
value = reader.Unescape(pair[1]);
}
else
throw new ServiceProtocolException(ServiceErrorCode.ParseError);
result.Add(key, value);
}
return result;
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
ErrorCode = (ServiceErrorCode)reader.ReadInt16();
BootTimeStamp = reader.ReadDateTime();
var url = reader.ReadString();
Scopes.AddRange(reader.ReadList());
Uri = new ServiceUri(url, Services.Locator.GetInstance<AttributeCollection>(reader));
SpiStrings.AddRange(reader.ReadList());
ReadAuthBlocks(reader, AuthBlocks);
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
ReadIPList(reader, PreviousResponders);
Uri = new ServiceUri(reader.ReadString());
Scopes.AddRange(reader.ReadList());
Tags.AddRange(reader.ReadList());
Spi = reader.ReadString();
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
ReadIPList(reader, PreviousResponders);
Scopes.AddRange(reader.ReadList());
AttributeFilter = reader.ReadString();
Spi = reader.ReadString();
}
/// <summary> /// Initalises a new extension from the received data /// </summary> /// <param name="data">byte array of data to parse</param> /// <returns>new Extension</returns> internal abstract ExtensionBase Create(SlpReader reader);
/// <summary>
/// Read the authblocks bytes and create any authblocks, firing the event when a block is added
/// </summary>
/// <param name="reader">reader</param>
/// <param name="authBlocks">list of authblocks</param>
protected void ReadAuthBlocks(SlpReader reader, ICollection<Security.AuthenticationBlock> authBlocks)
{
var count = reader.ReadByte();
for (int i = 0; i < count; i++)
{
var a = Services.Locator.GetInstance<Security.AuthenticationBlock>(reader);
authBlocks.Add(a);
OnAuthenticated(this, a);
}
}
/// <summary>
/// Read the message bytes and set the properties on this instance
/// </summary>
/// <param name="reader"></param>
internal virtual void Create(SlpReader reader)
{
reader.ReadInt24();
var flags = reader.ReadByte();
IsOverFlow = (flags & 0x80) == 0x80;
IsFresh = (flags & 0x40) == 0x40;
IsMulticast = (flags & 0x20) == 0x20;
reader.ReadByte();
_ExtensionOffset = reader.ReadInt24();
MessageId = reader.ReadInt16();
Language = reader.ReadString();
}
internal override void Create(SlpReader reader)
{
base.Create(reader);
var tmp = reader.ReadInt16();
if (tmp == 0xfff)
GetAllAuthorities = true;
else
NamingAuthority = reader.ReadString(tmp);
Scopes.AddRange(reader.ReadList());
}
public MessageBase Read(SlpReader reader)
{
var v = reader.ReadByte();
if (v != 1 && v != 2)
{
throw new ServiceProtocolException(ServiceErrorCode.VersionNotSupported);
}
var tmp = reader.ReadByte();
MessageBase result = null;
switch (tmp)
{
case 1:
result = new ServiceRequest();
break;
case 2:
result = new ServiceReply();
break;
case 3:
result = new ServiceRegistrationRequest();
break;
case 4:
result = new ServiceDeregistrationRequest();
break;
case 5:
result = new ServiceAcknowledgement();
break;
case 6:
result = new AttributeRequest();
break;
case 7:
result = new AttributeReply();
break;
case 8:
result = new DirectoryAgentAdvert();
break;
case 9:
result = new ServiceTypeRequest();
break;
case 10:
result = new ServiceTypeReply();
break;
case 11:
result = new ServiceAgentAdvert();
break;
default:
throw new ServiceProtocolException(ServiceErrorCode.ParseError);
}
result.Version = v;
result.Create(reader);
return(result);
}
/// <summary> /// Initalises a new extension from the received data /// </summary> /// <param name="data">byte array of data to parse</param> /// <returns>new Extension</returns> internal abstract ExtensionBase Create(SlpReader reader);
