An implementation of a stream socket using TCP. More...
#include <tcp-newreno.h>
Public Member Functions | |
TcpNewReno (void) | |
Create an unbound tcp socket. More... | |
TcpNewReno (const TcpNewReno &sock) | |
Copy constructor. More... | |
virtual | ~TcpNewReno (void) |
virtual int | Connect (const Address &address) |
Initiate a connection to a remote host. More... | |
virtual int | Listen (void) |
Listen for incoming connections. More... | |
Public Member Functions inherited from ns3::TcpSocketBase | |
TcpSocketBase (void) | |
Create an unbound TCP socket. More... | |
TcpSocketBase (const TcpSocketBase &sock) | |
Clone a TCP socket, for use upon receiving a connection request in LISTEN state. More... | |
virtual | ~TcpSocketBase (void) |
virtual int | Bind (void) |
Allocate a local IPv4 endpoint for this socket. More... | |
virtual int | Bind (const Address &address) |
Allocate a local endpoint for this socket. More... | |
virtual int | Bind6 (void) |
Allocate a local IPv6 endpoint for this socket. More... | |
virtual void | BindToNetDevice (Ptr< NetDevice > netdevice) |
Bind a socket to specific device. More... | |
virtual int | Close (void) |
Close a socket. More... | |
virtual enum SocketErrno | GetErrno (void) const |
Get last error number. More... | |
virtual Ptr< Node > | GetNode (void) const |
Return the node this socket is associated with. More... | |
virtual uint32_t | GetRxAvailable (void) const |
Return number of bytes which can be returned from one or multiple calls to Recv. More... | |
virtual enum SocketType | GetSocketType (void) const |
virtual int | GetSockName (Address &address) const |
Get socket address. More... | |
virtual uint32_t | GetTxAvailable (void) const |
Returns the number of bytes which can be sent in a single call to Send. More... | |
virtual Ptr< Packet > | Recv (uint32_t maxSize, uint32_t flags) |
Read data from the socket. More... | |
virtual Ptr< Packet > | RecvFrom (uint32_t maxSize, uint32_t flags, Address &fromAddress) |
Read a single packet from the socket and retrieve the sender address. More... | |
virtual int | Send (Ptr< Packet > p, uint32_t flags) |
Send data (or dummy data) to the remote host. More... | |
virtual int | SendTo (Ptr< Packet > p, uint32_t flags, const Address &toAddress) |
Send data to a specified peer. More... | |
virtual void | SetNode (Ptr< Node > node) |
Set the associated node. More... | |
virtual void | SetRtt (Ptr< RttEstimator > rtt) |
Set the associated RTT estimator. More... | |
virtual void | SetTcp (Ptr< TcpL4Protocol > tcp) |
Set the associated TCP L4 protocol. More... | |
virtual int | ShutdownRecv (void) |
virtual int | ShutdownSend (void) |
Public Member Functions inherited from ns3::TcpSocket | |
TcpSocket (void) | |
virtual | ~TcpSocket (void) |
Public Member Functions inherited from ns3::Socket | |
Socket (void) | |
virtual | ~Socket (void) |
Ptr< NetDevice > | GetBoundNetDevice () |
Returns socket's bound netdevice, if any. More... | |
uint8_t | GetIpTos (void) const |
Query the value of IP Type of Service of this socket. More... | |
virtual uint8_t | GetIpTtl (void) const |
Query the value of IP Time to Live field of this socket. More... | |
virtual uint8_t | GetIpv6HopLimit (void) const |
Query the value of IP Hop Limit field of this socket. More... | |
uint8_t | GetIpv6Tclass (void) const |
Query the value of IPv6 Traffic Class field of this socket. More... | |
bool | IsIpRecvTos (void) const |
Ask if the socket is currently passing information about IP Type of Service up the stack. More... | |
bool | IsIpRecvTtl (void) const |
Ask if the socket is currently passing information about IP_TTL up the stack. More... | |
bool | IsIpv6RecvHopLimit (void) const |
Ask if the socket is currently passing information about IPv6 Hop Limit up the stack. More... | |
bool | IsIpv6RecvTclass (void) const |
Ask if the socket is currently passing information about IPv6 Traffic Class up the stack. More... | |
bool | IsRecvPktInfo () const |
Get status indicating whether enable/disable packet information to socket. More... | |
Ptr< Packet > | Recv (void) |
Read a single packet from the socket. More... | |
int | Recv (uint8_t *buf, uint32_t size, uint32_t flags) |
Recv data (or dummy data) from the remote host. More... | |
Ptr< Packet > | RecvFrom (Address &fromAddress) |
Read a single packet from the socket and retrieve the sender address. More... | |
int | RecvFrom (uint8_t *buf, uint32_t size, uint32_t flags, Address &fromAddress) |
Read a single packet from the socket and retrieve the sender address. More... | |
int | Send (Ptr< Packet > p) |
Send data (or dummy data) to the remote host. More... | |
int | Send (const uint8_t *buf, uint32_t size, uint32_t flags) |
Send data (or dummy data) to the remote host. More... | |
int | SendTo (const uint8_t *buf, uint32_t size, uint32_t flags, const Address &address) |
Send data to a specified peer. More... | |
void | SetAcceptCallback (Callback< bool, Ptr< Socket >, const Address & > connectionRequest, Callback< void, Ptr< Socket >, const Address & > newConnectionCreated) |
Accept connection requests from remote hosts. More... | |
void | SetCloseCallbacks (Callback< void, Ptr< Socket > > normalClose, Callback< void, Ptr< Socket > > errorClose) |
Detect socket recv() events such as graceful shutdown or error. More... | |
void | SetConnectCallback (Callback< void, Ptr< Socket > > connectionSucceeded, Callback< void, Ptr< Socket > > connectionFailed) |
Specify callbacks to allow the caller to determine if the connection succeeds of fails. More... | |
void | SetDataSentCallback (Callback< void, Ptr< Socket >, uint32_t > dataSent) |
Notify application when a packet has been sent from transport protocol (non-standard socket call) More... | |
void | SetIpRecvTos (bool ipv4RecvTos) |
Tells a socket to pass information about IP Type of Service up the stack. More... | |
void | SetIpRecvTtl (bool ipv4RecvTtl) |
Tells a socket to pass information about IP_TTL up the stack. More... | |
void | SetIpTos (uint8_t ipTos) |
Manually set IP Type of Service field. More... | |
virtual void | SetIpTtl (uint8_t ipTtl) |
Manually set IP Time to Live field. More... | |
virtual void | SetIpv6HopLimit (uint8_t ipHopLimit) |
Manually set IPv6 Hop Limit. More... | |
void | SetIpv6RecvHopLimit (bool ipv6RecvHopLimit) |
Tells a socket to pass information about IPv6 Hop Limit up the stack. More... | |
void | SetIpv6RecvTclass (bool ipv6RecvTclass) |
Tells a socket to pass information about IPv6 Traffic Class up the stack. More... | |
void | SetIpv6Tclass (int ipTclass) |
Manually set IPv6 Traffic Class field. More... | |
void | SetRecvCallback (Callback< void, Ptr< Socket > >) |
Notify application when new data is available to be read. More... | |
void | SetRecvPktInfo (bool flag) |
Enable/Disable receive packet information to socket. More... | |
void | SetSendCallback (Callback< void, Ptr< Socket >, uint32_t > sendCb) |
Notify application when space in transmit buffer is added. More... | |
Public Member Functions inherited from ns3::Object | |
Object () | |
virtual | ~Object () |
void | AggregateObject (Ptr< Object > other) |
void | Dispose (void) |
Run the DoDispose methods of this object and all the objects aggregated to it. More... | |
AggregateIterator | GetAggregateIterator (void) const |
virtual TypeId | GetInstanceTypeId (void) const |
template<typename T > | |
Ptr< T > | GetObject (void) const |
template<typename T > | |
Ptr< T > | GetObject (TypeId tid) const |
void | Initialize (void) |
This method calls the virtual DoInitialize method on all the objects aggregated to this object. More... | |
Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter > | |
SimpleRefCount () | |
Constructor. More... | |
SimpleRefCount (const SimpleRefCount &o) | |
Copy constructor. More... | |
uint32_t | GetReferenceCount (void) const |
Get the reference count of the object. More... | |
SimpleRefCount & | operator= (const SimpleRefCount &o) |
Assignment. More... | |
void | Ref (void) const |
Increment the reference count. More... | |
void | Unref (void) const |
Decrement the reference count. More... | |
Public Member Functions inherited from ns3::ObjectBase | |
virtual | ~ObjectBase () |
Virtual destructor. More... | |
void | GetAttribute (std::string name, AttributeValue &value) const |
bool | GetAttributeFailSafe (std::string name, AttributeValue &attribute) const |
void | SetAttribute (std::string name, const AttributeValue &value) |
bool | SetAttributeFailSafe (std::string name, const AttributeValue &value) |
bool | TraceConnect (std::string name, std::string context, const CallbackBase &cb) |
bool | TraceConnectWithoutContext (std::string name, const CallbackBase &cb) |
bool | TraceDisconnect (std::string name, std::string context, const CallbackBase &cb) |
bool | TraceDisconnectWithoutContext (std::string name, const CallbackBase &cb) |
Static Public Member Functions | |
static TypeId | GetTypeId (void) |
Get the type ID. More... | |
Static Public Member Functions inherited from ns3::TcpSocketBase | |
static TypeId | GetTypeId (void) |
Get the type ID. More... | |
Static Public Member Functions inherited from ns3::TcpSocket | |
static TypeId | GetTypeId (void) |
Get the type ID. More... | |
Static Public Member Functions inherited from ns3::Socket | |
static Ptr< Socket > | CreateSocket (Ptr< Node > node, TypeId tid) |
This method wraps the creation of sockets that is performed on a given node by a SocketFactory specified by TypeId. More... | |
static TypeId | GetTypeId (void) |
Get the type ID. More... | |
Static Public Member Functions inherited from ns3::Object | |
static TypeId | GetTypeId (void) |
Register this type. More... | |
Static Public Member Functions inherited from ns3::SimpleRefCount< Object, ObjectBase, ObjectDeleter > | |
static void | Cleanup (void) |
Noop. More... | |
Static Public Member Functions inherited from ns3::ObjectBase | |
static TypeId | GetTypeId (void) |
Get the type ID. More... | |
Protected Member Functions | |
virtual void | DupAck (const TcpHeader &t, uint32_t count) |
Received dupack (duplicate ACK) More... | |
virtual Ptr< TcpSocketBase > | Fork (void) |
Call CopyObject<> to clone me. More... | |
virtual uint32_t | GetInitialCwnd (void) const |
Get the initial Congestion Window. More... | |
virtual uint32_t | GetSSThresh (void) const |
Get the Slow Start Threshold. More... | |
virtual void | NewAck (SequenceNumber32 const &seq) |
Update buffers w.r.t. More... | |
virtual void | Retransmit (void) |
Halving cwnd and call DoRetransmit() More... | |
virtual void | SetInitialCwnd (uint32_t cwnd) |
Set the initial Congestion Window. More... | |
virtual void | SetSegSize (uint32_t size) |
Set the segment size. More... | |
virtual void | SetSSThresh (uint32_t threshold) |
Set the Slow Start Threshold. More... | |
virtual uint32_t | Window (void) |
Return the max possible number of unacked bytes. More... | |
Protected Member Functions inherited from ns3::TcpSocketBase | |
virtual void | AddOptions (TcpHeader &tcpHeader) |
Add option to outgoing packets. More... | |
virtual uint16_t | AdvertisedWindowSize (void) |
The amount of Rx window announced to the peer. More... | |
virtual uint32_t | AvailableWindow (void) |
Return unfilled portion of window. More... | |
virtual uint32_t | BytesInFlight (void) |
Return total bytes in flight. More... | |
void | CancelAllTimers (void) |
Cancel all timer when endpoint is deleted. More... | |
void | CloseAndNotify (void) |
Peacefully close the socket by notifying the upper layer and deallocate end point. More... | |
void | CompleteFork (Ptr< Packet > p, const TcpHeader &tcpHeader, const Address &fromAddress, const Address &toAddress) |
Complete a connection by forking the socket. More... | |
void | ConnectionSucceeded (void) |
Schedule-friendly wrapper for Socket::NotifyConnectionSucceeded() More... | |
void | DeallocateEndPoint (void) |
Deallocate m_endPoint. More... | |
virtual void | DelAckTimeout (void) |
Action upon delay ACK timeout, i.e. More... | |
void | Destroy (void) |
Kill this socket by zeroing its attributes (IPv4) More... | |
void | Destroy6 (void) |
Kill this socket by zeroing its attributes (IPv6) More... | |
int | DoClose (void) |
Close a socket by sending RST, FIN, or FIN+ACK, depend on the current state. More... | |
int | DoConnect (void) |
Perform the real connection tasks: Send SYN if allowed, RST if invalid. More... | |
virtual void | DoForwardUp (Ptr< Packet > packet, Ipv4Header header, uint16_t port, Ptr< Ipv4Interface > incomingInterface) |
Called by TcpSocketBase::ForwardUp(). More... | |
virtual void | DoForwardUp (Ptr< Packet > packet, Ipv6Header header, uint16_t port) |
Called by TcpSocketBase::ForwardUp6(). More... | |
void | DoPeerClose (void) |
FIN is in sequence, notify app and respond with a FIN. More... | |
virtual void | DoRetransmit (void) |
Retransmit the oldest packet. More... | |
virtual void | EstimateRtt (const TcpHeader &tcpHeader) |
Take into account the packet for RTT estimation. More... | |
void | ForwardIcmp (Ipv4Address icmpSource, uint8_t icmpTtl, uint8_t icmpType, uint8_t icmpCode, uint32_t icmpInfo) |
Called by the L3 protocol when it received an ICMP packet to pass on to TCP. More... | |
void | ForwardIcmp6 (Ipv6Address icmpSource, uint8_t icmpTtl, uint8_t icmpType, uint8_t icmpCode, uint32_t icmpInfo) |
Called by the L3 protocol when it received an ICMPv6 packet to pass on to TCP. More... | |
void | ForwardUp (Ptr< Packet > packet, Ipv4Header header, uint16_t port, Ptr< Ipv4Interface > incomingInterface) |
Called by the L3 protocol when it received a packet to pass on to TCP. More... | |
void | ForwardUp6 (Ptr< Packet > packet, Ipv6Header header, uint16_t port, Ptr< Ipv6Interface > incomingInterface) |
Called by the L3 protocol when it received a packet to pass on to TCP. More... | |
virtual bool | GetAllowBroadcast (void) const |
Query whether broadcast datagram transmissions are allowed. More... | |
virtual uint32_t | GetConnCount (void) const |
Get the number of connection retries before giving up. More... | |
virtual Time | GetConnTimeout (void) const |
Get the connection timeout. More... | |
virtual uint32_t | GetDelAckMaxCount (void) const |
Get the number of packet to fire an ACK before delay timeout. More... | |
virtual Time | GetDelAckTimeout (void) const |
Get the time to delay an ACK. More... | |
virtual Time | GetPersistTimeout (void) const |
Get the timout for persistent connection. More... | |
virtual uint32_t | GetRcvBufSize (void) const |
Get the receive buffer size. More... | |
virtual uint32_t | GetSegSize (void) const |
Get the segment size. More... | |
virtual uint32_t | GetSndBufSize (void) const |
Get the send buffer size. More... | |
virtual bool | GetTcpNoDelay (void) const |
Check if Nagle's algorithm is enabled or not. More... | |
virtual void | LastAckTimeout (void) |
Timeout at LAST_ACK, close the connection. More... | |
bool | OutOfRange (SequenceNumber32 head, SequenceNumber32 tail) const |
Check if a sequence number range is within the rx window. More... | |
void | PeerClose (Ptr< Packet > p, const TcpHeader &tcpHeader) |
Received a FIN from peer, notify rx buffer. More... | |
virtual void | PersistTimeout (void) |
Send 1 byte probe to get an updated window size. More... | |
void | ProcessClosing (Ptr< Packet > packet, const TcpHeader &tcpHeader) |
Received a packet upon CLOSING. More... | |
void | ProcessEstablished (Ptr< Packet > packet, const TcpHeader &tcpHeader) |
Received a packet upon ESTABLISHED state. More... | |
void | ProcessLastAck (Ptr< Packet > packet, const TcpHeader &tcpHeader) |
Received a packet upon LAST_ACK. More... | |
void | ProcessListen (Ptr< Packet > packet, const TcpHeader &tcpHeader, const Address &fromAddress, const Address &toAddress) |
Received a packet upon LISTEN state. More... | |
void | ProcessSynRcvd (Ptr< Packet > packet, const TcpHeader &tcpHeader, const Address &fromAddress, const Address &toAddress) |
Received a packet upon SYN_RCVD. More... | |
void | ProcessSynSent (Ptr< Packet > packet, const TcpHeader &tcpHeader) |
Received a packet upon SYN_SENT. More... | |
void | ProcessWait (Ptr< Packet > packet, const TcpHeader &tcpHeader) |
Received a packet upon CLOSE_WAIT, FIN_WAIT_1, FIN_WAIT_2. More... | |
virtual void | ReadOptions (const TcpHeader &tcpHeader) |
Read option from incoming packets. More... | |
virtual void | ReceivedAck (Ptr< Packet > packet, const TcpHeader &tcpHeader) |
Received an ACK packet. More... | |
virtual void | ReceivedData (Ptr< Packet > packet, const TcpHeader &tcpHeader) |
Recv of a data, put into buffer, call L7 to get it if necessary. More... | |
virtual void | ReTxTimeout (void) |
Call Retransmit() upon RTO event. More... | |
uint32_t | SendDataPacket (SequenceNumber32 seq, uint32_t maxSize, bool withAck) |
Extract at most maxSize bytes from the TxBuffer at sequence seq, add the TCP header, and send to TcpL4Protocol. More... | |
void | SendEmptyPacket (uint8_t flags) |
Send a empty packet that carries a flag, e.g. More... | |
bool | SendPendingData (bool withAck=false) |
Send as much pending data as possible according to the Tx window. More... | |
void | SendRST (void) |
Send reset and tear down this socket. More... | |
virtual bool | SetAllowBroadcast (bool allowBroadcast) |
Configure whether broadcast datagram transmissions are allowed. More... | |
virtual void | SetConnCount (uint32_t count) |
Set the number of connection retries before giving up. More... | |
virtual void | SetConnTimeout (Time timeout) |
Set the connection timeout. More... | |
virtual void | SetDelAckMaxCount (uint32_t count) |
Set the number of packet to fire an ACK before delay timeout. More... | |
virtual void | SetDelAckTimeout (Time timeout) |
Set the time to delay an ACK. More... | |
virtual void | SetPersistTimeout (Time timeout) |
Set the timout for persistent connection. More... | |
virtual void | SetRcvBufSize (uint32_t size) |
Set the receive buffer size. More... | |
virtual void | SetSndBufSize (uint32_t size) |
Set the send buffer size. More... | |
virtual void | SetTcpNoDelay (bool noDelay) |
Enable/Disable Nagle's algorithm. More... | |
int | SetupCallback (void) |
Common part of the two Bind(), i.e. More... | |
int | SetupEndpoint (void) |
Configure the endpoint to a local address. More... | |
int | SetupEndpoint6 (void) |
Configure the endpoint v6 to a local address. More... | |
void | TimeWait (void) |
Move from CLOSING or FIN_WAIT_2 to TIME_WAIT state. More... | |
virtual uint32_t | UnAckDataCount (void) |
Return count of number of unacked bytes. More... | |
Protected Member Functions inherited from ns3::Socket | |
virtual void | DoDispose (void) |
This method is called by Object::Dispose or by the object's destructor, whichever comes first. More... | |
bool | IsManualIpTos (void) const |
Checks if the socket has a specific IPv4 ToS set. More... | |
bool | IsManualIpTtl (void) const |
Checks if the socket has a specific IPv4 TTL set. More... | |
bool | IsManualIpv6HopLimit (void) const |
Checks if the socket has a specific IPv6 Hop Limit set. More... | |
bool | IsManualIpv6Tclass (void) const |
Checks if the socket has a specific IPv6 Tclass set. More... | |
void | NotifyConnectionFailed (void) |
Notify through the callback (if set) that the connection has not been established due to an error. More... | |
bool | NotifyConnectionRequest (const Address &from) |
Notify through the callback (if set) that an incoming connection is being requested by a remote host. More... | |
void | NotifyConnectionSucceeded (void) |
Notify through the callback (if set) that the connection has been established. More... | |
void | NotifyDataRecv (void) |
Notify through the callback (if set) that some data have been received. More... | |
void | NotifyDataSent (uint32_t size) |
Notify through the callback (if set) that some data have been sent. More... | |
void | NotifyErrorClose (void) |
Notify through the callback (if set) that the connection has been closed due to an error. More... | |
void | NotifyNewConnectionCreated (Ptr< Socket > socket, const Address &from) |
Notify through the callback (if set) that a new connection has been created. More... | |
void | NotifyNormalClose (void) |
Notify through the callback (if set) that the connection has been closed. More... | |
void | NotifySend (uint32_t spaceAvailable) |
Notify through the callback (if set) that some data have been sent. More... | |
Protected Member Functions inherited from ns3::Object | |
Object (const Object &o) | |
virtual void | DoInitialize (void) |
This method is called only once by Object::Initialize. More... | |
virtual void | NotifyNewAggregate (void) |
This method is invoked whenever two sets of objects are aggregated together. More... | |
Protected Member Functions inherited from ns3::ObjectBase | |
void | ConstructSelf (const AttributeConstructionList &attributes) |
virtual void | NotifyConstructionCompleted (void) |
This method is invoked once all member attributes have been initialized. More... | |
Protected Attributes | |
TracedValue< uint32_t > | m_cWnd |
Congestion window. More... | |
bool | m_inFastRec |
currently in fast recovery More... | |
uint32_t | m_initialCWnd |
Initial cWnd value. More... | |
bool | m_limitedTx |
perform limited transmit More... | |
SequenceNumber32 | m_recover |
Previous highest Tx seqnum for fast recovery. More... | |
uint32_t | m_retxThresh |
Fast Retransmit threshold. More... | |
uint32_t | m_ssThresh |
Slow Start Threshold. More... | |
Protected Attributes inherited from ns3::TcpSocketBase | |
bool | m_closeNotified |
Told app to close socket. More... | |
bool | m_closeOnEmpty |
Close socket upon tx buffer emptied. More... | |
uint32_t | m_cnCount |
Count of remaining connection retries. More... | |
uint32_t | m_cnRetries |
Number of connection retries before giving up. More... | |
Time | m_cnTimeout |
Timeout for connection retry. More... | |
bool | m_connected |
Connection established. More... | |
uint32_t | m_delAckCount |
Delayed ACK counter. More... | |
EventId | m_delAckEvent |
Delayed ACK timeout event. More... | |
uint32_t | m_delAckMaxCount |
Number of packet to fire an ACK before delay timeout. More... | |
Time | m_delAckTimeout |
Time to delay an ACK. More... | |
uint32_t | m_dupAckCount |
Dupack counter. More... | |
Ipv4EndPoint * | m_endPoint |
the IPv4 endpoint More... | |
Ipv6EndPoint * | m_endPoint6 |
the IPv6 endpoint More... | |
enum SocketErrno | m_errno |
Socket error code. More... | |
TracedValue< SequenceNumber32 > | m_highTxMark |
Highest seqno ever sent, regardless of ReTx. More... | |
Callback< void, Ipv4Address, uint8_t, uint8_t, uint8_t, uint32_t > | m_icmpCallback |
ICMP callback. More... | |
Callback< void, Ipv6Address, uint8_t, uint8_t, uint8_t, uint32_t > | m_icmpCallback6 |
ICMPv6 callback. More... | |
EventId | m_lastAckEvent |
Last ACK timeout event. More... | |
TracedValue< Time > | m_lastRtt |
Last RTT sample collected. More... | |
uint16_t | m_maxWinSize |
Maximum window size to advertise. More... | |
double | m_msl |
Max segment lifetime. More... | |
TracedValue< SequenceNumber32 > | m_nextTxSequence |
Next seqnum to be sent (SND.NXT), ReTx pushes it back. More... | |
Ptr< Node > | m_node |
the associated node More... | |
bool | m_noDelay |
Set to true to disable Nagle's algorithm. More... | |
EventId | m_persistEvent |
Persist event: Send 1 byte to probe for a non-zero Rx window. More... | |
Time | m_persistTimeout |
Time between sending 1-byte probes. More... | |
EventId | m_retxEvent |
Retransmission event. More... | |
TracedValue< Time > | m_rto |
Retransmit timeout. More... | |
Ptr< RttEstimator > | m_rtt |
Round trip time estimator. More... | |
TracedValue< uint32_t > | m_rWnd |
Flow control window at remote side. More... | |
TcpRxBuffer | m_rxBuffer |
Rx buffer (reordering buffer) More... | |
uint32_t | m_segmentSize |
Segment size. More... | |
bool | m_shutdownRecv |
Receive no longer allowed. More... | |
bool | m_shutdownSend |
Send no longer allowed. More... | |
TracedValue< TcpStates_t > | m_state |
TCP state. More... | |
Ptr< TcpL4Protocol > | m_tcp |
the associated TCP L4 protocol More... | |
EventId | m_timewaitEvent |
TIME_WAIT expiration event: Move this socket to CLOSED state. More... | |
TcpTxBuffer | m_txBuffer |
Tx buffer. More... | |
Protected Attributes inherited from ns3::Socket | |
Ptr< NetDevice > | m_boundnetdevice |
the device this socket is bound to (might be null). More... | |
bool | m_recvPktInfo |
if the socket should add packet info tags to the packet forwarded to L4. More... | |
Private Member Functions | |
void | InitializeCwnd (void) |
Set the congestion window when connection starts. More... | |
Additional Inherited Members | |
Public Types inherited from ns3::Socket | |
enum | SocketErrno { ERROR_NOTERROR, ERROR_ISCONN, ERROR_NOTCONN, ERROR_MSGSIZE, ERROR_AGAIN, ERROR_SHUTDOWN, ERROR_OPNOTSUPP, ERROR_AFNOSUPPORT, ERROR_INVAL, ERROR_BADF, ERROR_NOROUTETOHOST, ERROR_NODEV, ERROR_ADDRNOTAVAIL, ERROR_ADDRINUSE, SOCKET_ERRNO_LAST } |
Enumeration of the possible errors returned by a socket. More... | |
enum | SocketType { NS3_SOCK_STREAM, NS3_SOCK_SEQPACKET, NS3_SOCK_DGRAM, NS3_SOCK_RAW } |
Enumeration of the possible socket types. More... | |
Static Public Attributes inherited from ns3::TcpSocket | |
static const char *const | TcpStateName [LAST_STATE] = { "CLOSED", "LISTEN", "SYN_SENT", "SYN_RCVD", "ESTABLISHED", "CLOSE_WAIT", "LAST_ACK", "FIN_WAIT_1", "FIN_WAIT_2", "CLOSING", "TIME_WAIT" } |
Literal names of TCP states for use in log messages. More... | |
An implementation of a stream socket using TCP.
This class contains the NewReno implementation of TCP, as of RFC 2582.
ns3::TcpNewReno is accessible through the following paths with Config::Set and Config::Connect:
Definition at line 36 of file tcp-newreno.h.
ns3::TcpNewReno::TcpNewReno | ( | void | ) |
Create an unbound tcp socket.
Definition at line 59 of file tcp-newreno.cc.
References NS_LOG_FUNCTION.
ns3::TcpNewReno::TcpNewReno | ( | const TcpNewReno & | sock | ) |
Copy constructor.
sock | the object to copy |
Definition at line 67 of file tcp-newreno.cc.
References NS_LOG_FUNCTION, and NS_LOG_LOGIC.
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virtual |
Definition at line 80 of file tcp-newreno.cc.
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virtual |
Initiate a connection to a remote host.
address | Address of remote. |
Reimplemented from ns3::TcpSocketBase.
Definition at line 95 of file tcp-newreno.cc.
References ns3::TcpSocketBase::Connect(), InitializeCwnd(), and NS_LOG_FUNCTION.
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protectedvirtual |
Received dupack (duplicate ACK)
tcpHeader | the packet's TCP header |
count | counter of duplicate ACKs |
Implements ns3::TcpSocketBase.
Definition at line 163 of file tcp-newreno.cc.
References ns3::TcpSocketBase::BytesInFlight(), ns3::TcpSocketBase::DoRetransmit(), ns3::TcpSocketBase::m_connected, m_cWnd, ns3::TcpSocketBase::m_highTxMark, m_inFastRec, m_limitedTx, ns3::TcpSocketBase::m_nextTxSequence, m_recover, m_retxThresh, ns3::TcpSocketBase::m_segmentSize, m_ssThresh, ns3::TcpSocketBase::m_txBuffer, NS_LOG_FUNCTION, NS_LOG_INFO, ns3::TcpSocketBase::SendDataPacket(), ns3::TcpSocketBase::SendPendingData(), and ns3::TcpTxBuffer::SizeFromSequence().
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Call CopyObject<> to clone me.
Implements ns3::TcpSocketBase.
Definition at line 111 of file tcp-newreno.cc.
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Get the initial Congestion Window.
Implements ns3::TcpSocketBase.
Definition at line 242 of file tcp-newreno.cc.
References m_initialCWnd.
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Get the Slow Start Threshold.
Implements ns3::TcpSocketBase.
Definition at line 229 of file tcp-newreno.cc.
References m_ssThresh.
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static |
Get the type ID.
Definition at line 39 of file tcp-newreno.cc.
References m_cWnd, m_limitedTx, m_retxThresh, ns3::MakeTraceSourceAccessor(), and ns3::TypeId::SetParent().
Referenced by ns3::TcpL4Protocol::GetTypeId(), and main().
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private |
Set the congestion window when connection starts.
Definition at line 248 of file tcp-newreno.cc.
References m_cWnd, m_initialCWnd, and ns3::TcpSocketBase::m_segmentSize.
Referenced by Connect(), and Listen().
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Listen for incoming connections.
Reimplemented from ns3::TcpSocketBase.
Definition at line 86 of file tcp-newreno.cc.
References InitializeCwnd(), ns3::TcpSocketBase::Listen(), and NS_LOG_FUNCTION.
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protectedvirtual |
Update buffers w.r.t.
ACK
seq | the sequence number |
Reimplemented from ns3::TcpSocketBase.
Definition at line 118 of file tcp-newreno.cc.
References ns3::TcpSocketBase::BytesInFlight(), ns3::TcpSocketBase::DoRetransmit(), ns3::TracedValue< T >::Get(), ns3::TcpTxBuffer::HeadSequence(), m_cWnd, m_inFastRec, m_recover, ns3::TcpSocketBase::m_segmentSize, m_ssThresh, ns3::TcpSocketBase::m_txBuffer, ns3::TcpSocketBase::NewAck(), NS_LOG_FUNCTION, NS_LOG_INFO, and NS_LOG_LOGIC.
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protectedvirtual |
Halving cwnd and call DoRetransmit()
Reimplemented from ns3::TcpSocketBase.
Definition at line 192 of file tcp-newreno.cc.
References ns3::TcpSocketBase::BytesInFlight(), ns3::CLOSED, ns3::TcpSocketBase::DoRetransmit(), ns3::ESTABLISHED, ns3::TcpTxBuffer::HeadSequence(), m_cWnd, ns3::TcpSocketBase::m_highTxMark, m_inFastRec, ns3::TcpSocketBase::m_nextTxSequence, ns3::TcpSocketBase::m_rtt, ns3::TcpSocketBase::m_segmentSize, m_ssThresh, ns3::TcpSocketBase::m_state, ns3::TcpSocketBase::m_txBuffer, ns3::Simulator::Now(), NS_LOG_FUNCTION, NS_LOG_INFO, NS_LOG_LOGIC, and ns3::TIME_WAIT.
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protectedvirtual |
Set the initial Congestion Window.
cwnd | the initial congestion window (in bytes) |
Implements ns3::TcpSocketBase.
Definition at line 235 of file tcp-newreno.cc.
References ns3::CLOSED, m_initialCWnd, ns3::TcpSocketBase::m_state, and NS_ABORT_MSG_UNLESS.
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protectedvirtual |
Set the segment size.
size | the segment size (in bytes) |
Reimplemented from ns3::TcpSocketBase.
Definition at line 216 of file tcp-newreno.cc.
References ns3::CLOSED, ns3::TcpSocketBase::m_segmentSize, ns3::TcpSocketBase::m_state, and NS_ABORT_MSG_UNLESS.
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protectedvirtual |
Set the Slow Start Threshold.
threshold | the Slow Start Threshold (in bytes) |
Implements ns3::TcpSocketBase.
Definition at line 223 of file tcp-newreno.cc.
References m_ssThresh.
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protectedvirtual |
Return the max possible number of unacked bytes.
Reimplemented from ns3::TcpSocketBase.
Definition at line 104 of file tcp-newreno.cc.
References ns3::TracedValue< T >::Get(), m_cWnd, ns3::TcpSocketBase::m_rWnd, and NS_LOG_FUNCTION.
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protected |
Congestion window.
Definition at line 79 of file tcp-newreno.h.
Referenced by DupAck(), GetTypeId(), InitializeCwnd(), NewAck(), Retransmit(), and Window().
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currently in fast recovery
Definition at line 84 of file tcp-newreno.h.
Referenced by DupAck(), NewAck(), and Retransmit().
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Initial cWnd value.
Definition at line 81 of file tcp-newreno.h.
Referenced by GetInitialCwnd(), InitializeCwnd(), and SetInitialCwnd().
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perform limited transmit
Definition at line 85 of file tcp-newreno.h.
Referenced by DupAck(), and GetTypeId().
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Previous highest Tx seqnum for fast recovery.
Definition at line 82 of file tcp-newreno.h.
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Fast Retransmit threshold.
Definition at line 83 of file tcp-newreno.h.
Referenced by DupAck(), and GetTypeId().
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protected |
Slow Start Threshold.
Definition at line 80 of file tcp-newreno.h.
Referenced by DupAck(), GetSSThresh(), NewAck(), Retransmit(), and SetSSThresh().