Defines the TCP option of kind 2 (maximum segment size) as in RFC 793 More...
#include "tcp-option-rfc793.h"
Public Member Functions | |
TcpOptionMSS () | |
~TcpOptionMSS () override | |
uint32_t | Deserialize (Buffer::Iterator start) override |
Deserialize the Option from a buffer iterator. | |
TypeId | GetInstanceTypeId () const override |
Get the most derived TypeId for this Object. | |
uint8_t | GetKind () const override |
Get the ‘kind’ (as in RFC 793) of this option. | |
uint16_t | GetMSS () const |
Get the Maximum Segment Size stored in the Option. | |
uint32_t | GetSerializedSize () const override |
Returns number of bytes required for Option serialization. | |
void | Print (std::ostream &os) const override |
Print the Option contents. | |
void | Serialize (Buffer::Iterator start) const override |
Serialize the Option to a buffer iterator. | |
void | SetMSS (uint16_t mss) |
Set the Maximum Segment Size stored in the Option. | |
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TcpOption () | |
~TcpOption () override | |
virtual uint32_t | Deserialize (Buffer::Iterator start)=0 |
Deserialize the Option from a buffer iterator. | |
TypeId | GetInstanceTypeId () const override |
Get the most derived TypeId for this Object. | |
virtual uint8_t | GetKind () const =0 |
Get the ‘kind’ (as in RFC 793) of this option. | |
virtual uint32_t | GetSerializedSize () const =0 |
Returns number of bytes required for Option serialization. | |
virtual void | Print (std::ostream &os) const =0 |
Print the Option contents. | |
virtual void | Serialize (Buffer::Iterator start) const =0 |
Serialize the Option to a buffer iterator. | |
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Object () | |
Constructor. | |
~Object () override | |
Destructor. | |
void | AggregateObject (Ptr< Object > other) |
Aggregate two Objects together. | |
void | Dispose () |
Dispose of this Object. | |
AggregateIterator | GetAggregateIterator () const |
Get an iterator to the Objects aggregated to this one. | |
TypeId | GetInstanceTypeId () const override |
Get the most derived TypeId for this Object. | |
template<typename T > | |
Ptr< T > | GetObject () const |
Get a pointer to the requested aggregated Object. | |
template<> | |
Ptr< Object > | GetObject () const |
Specialization of () for objects of type ns3::Object. | |
template<typename T > | |
Ptr< T > | GetObject (TypeId tid) const |
Get a pointer to the requested aggregated Object by TypeId. | |
template<> | |
Ptr< Object > | GetObject (TypeId tid) const |
Specialization of (TypeId tid) for objects of type ns3::Object. | |
void | Initialize () |
Invoke DoInitialize on all Objects aggregated to this one. | |
bool | IsInitialized () const |
Check if the object has been initialized. | |
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SimpleRefCount () | |
Default constructor. | |
SimpleRefCount (const SimpleRefCount &o) | |
Copy constructor. | |
uint32_t | GetReferenceCount () const |
Get the reference count of the object. | |
SimpleRefCount & | operator= (const SimpleRefCount &o) |
Assignment operator. | |
void | Ref () const |
Increment the reference count. | |
void | Unref () const |
Decrement the reference count. | |
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virtual | ~ObjectBase () |
Virtual destructor. | |
void | GetAttribute (std::string name, AttributeValue &value) const |
Get the value of an attribute, raising fatal errors if unsuccessful. | |
bool | GetAttributeFailSafe (std::string name, AttributeValue &value) const |
Get the value of an attribute without raising errors. | |
virtual TypeId | GetInstanceTypeId () const =0 |
Get the most derived TypeId for this Object. | |
void | SetAttribute (std::string name, const AttributeValue &value) |
Set a single attribute, raising fatal errors if unsuccessful. | |
bool | SetAttributeFailSafe (std::string name, const AttributeValue &value) |
Set a single attribute without raising errors. | |
bool | TraceConnect (std::string name, std::string context, const CallbackBase &cb) |
Connect a TraceSource to a Callback with a context. | |
bool | TraceConnectWithoutContext (std::string name, const CallbackBase &cb) |
Connect a TraceSource to a Callback without a context. | |
bool | TraceDisconnect (std::string name, std::string context, const CallbackBase &cb) |
Disconnect from a TraceSource a Callback previously connected with a context. | |
bool | TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb) |
Disconnect from a TraceSource a Callback previously connected without a context. | |
Static Public Member Functions | |
static TypeId | GetTypeId () |
Get the type ID. | |
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static Ptr< TcpOption > | CreateOption (uint8_t kind) |
Creates an option. | |
static TypeId | GetTypeId () |
Get the type ID. | |
static bool | IsKindKnown (uint8_t kind) |
Check if the option is implemented. | |
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static TypeId | GetTypeId () |
Register this type. | |
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static TypeId | GetTypeId () |
Get the type ID. | |
Protected Attributes | |
uint16_t | m_mss |
maximum segment size | |
Additional Inherited Members | |
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enum | Kind { END = 0 , NOP = 1 , MSS = 2 , WINSCALE = 3 , SACKPERMITTED = 4 , SACK = 5 , TS = 8 , UNKNOWN = 255 } |
The option Kind, as defined in the respective RFCs. More... | |
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Object (const Object &o) | |
Copy an Object. | |
virtual void | DoDispose () |
Destructor implementation. | |
virtual void | DoInitialize () |
Initialize() implementation. | |
virtual void | NotifyNewAggregate () |
Notify all Objects aggregated to this one of a new Object being aggregated. | |
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void | ConstructSelf (const AttributeConstructionList &attributes) |
Complete construction of ObjectBase; invoked by derived classes. | |
virtual void | NotifyConstructionCompleted () |
Notifier called once the ObjectBase is fully constructed. | |
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static TypeId | GetObjectIid () |
Ensure the TypeId for ObjectBase gets fully configured to anchor the inheritance tree properly. | |
Defines the TCP option of kind 2 (maximum segment size) as in RFC 793
Introspection did not find any typical Config paths.
No Attributes are defined for this type.
No TraceSources are defined for this type.
Size of this type is 32 bytes (on a 64-bit architecture).
Definition at line 80 of file tcp-option-rfc793.h.
ns3::TcpOptionMSS::TcpOptionMSS | ( | ) |
Definition at line 172 of file tcp-option-rfc793.cc.
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override |
Definition at line 178 of file tcp-option-rfc793.cc.
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overridevirtual |
Deserialize the Option from a buffer iterator.
start | the buffer iterator |
Implements ns3::TcpOption.
Definition at line 220 of file tcp-option-rfc793.cc.
References GetKind(), GetSerializedSize(), m_mss, NS_ABORT_IF, NS_LOG_WARN, ns3::Buffer::Iterator::ReadNtohU16(), and ns3::Buffer::Iterator::ReadU8().
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overridevirtual |
Get the most derived TypeId for this Object.
This method is typically implemented by ns3::Object::GetInstanceTypeId but some classes which derive from ns3::ObjectBase directly have to implement it themselves.
Reimplemented from ns3::Object.
Definition at line 193 of file tcp-option-rfc793.cc.
References GetTypeId().
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overridevirtual |
Get the ‘kind’ (as in RFC 793) of this option.
Implements ns3::TcpOption.
Definition at line 240 of file tcp-option-rfc793.cc.
References ns3::TcpOption::MSS.
Referenced by Deserialize(), and Serialize().
uint16_t ns3::TcpOptionMSS::GetMSS | ( | ) | const |
Get the Maximum Segment Size stored in the Option.
Definition at line 246 of file tcp-option-rfc793.cc.
References m_mss.
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overridevirtual |
Returns number of bytes required for Option serialization.
Implements ns3::TcpOption.
Definition at line 205 of file tcp-option-rfc793.cc.
Referenced by Deserialize(), and TcpHeaderWithRFC793OptionTestCase::OneOptionAtTime().
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static |
Get the type ID.
Definition at line 183 of file tcp-option-rfc793.cc.
References ns3::TypeId::SetParent().
Referenced by ns3::TcpOption::CreateOption(), and GetInstanceTypeId().
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overridevirtual |
Print the Option contents.
os | the output stream |
Implements ns3::TcpOption.
Definition at line 199 of file tcp-option-rfc793.cc.
References m_mss.
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overridevirtual |
Serialize the Option to a buffer iterator.
start | the buffer iterator |
Implements ns3::TcpOption.
Definition at line 211 of file tcp-option-rfc793.cc.
References GetKind(), m_mss, ns3::Buffer::Iterator::WriteHtonU16(), and ns3::Buffer::Iterator::WriteU8().
void ns3::TcpOptionMSS::SetMSS | ( | uint16_t | mss | ) |
Set the Maximum Segment Size stored in the Option.
mss | The Maximum Segment Size |
Definition at line 252 of file tcp-option-rfc793.cc.
References m_mss.
Referenced by TcpHeaderWithRFC793OptionTestCase::OneOptionAtTime().
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protected |
maximum segment size
Definition at line 112 of file tcp-option-rfc793.h.
Referenced by Deserialize(), GetMSS(), Print(), Serialize(), and SetMSS().