Inherited from slink:

Public Fields

int key_

slink* next_

Inherited from TcpFsAgent:

Public Methods

virtual void cancel_rtx_timer()

virtual void cancel_timers()

virtual void output_helper(Packet* pkt)

virtual void partialnewack_helper(Packet*)

virtual void recv_helper(Packet* pkt)

virtual void recv_newack_helper(Packet* pkt)

double rtt_exact_timeout()

virtual void send_helper(int maxburst)

virtual void send_idle_helper()

virtual void set_rtx_timer()

virtual void timeout_nonrtx(int tno)

virtual void timeout_nonrtx_helper(int tno)

Protected Fields

int count_bytes_acked_

int fast_loss_recov_

int fast_reset_timer_

int fs_enable_

int fs_endseq_

int fs_mode_

int fs_startseq_

double last_recv_time_

ResetTimer reset_timer_

double t_exact_rttvar_

double t_exact_srtt_

Inherited from TcpAgent:

Public Methods

virtual void advanceby(int delta)

int command(int argc, const char*const* argv)

Agent/TCP instproc done {}

virtual void recv(Packet*, Handler*)

virtual void sendmsg(int nbytes, const char *flags = 0)

Agent/TCP instproc source type

virtual void timeout(int tno)

void trace(TracedVar* v)

Protected Fields

double awnd_

int Backoffs

double base_cwnd_

double boot_time_

int bug_fix_

BurstSndTimer burstsnd_timer_

int closed_

int cong_action_

int control_increase_

int count_

TracedInt curseq_

TracedDouble cwnd_

double decrease_num_

int delay_growth_

DelSndTimer delsnd_timer_

TracedInt dupacks_

int ecn_

int ecn_backoff_

int ecn_burst_

int ect_

int eln_

int eln_last_rxmit_

int eln_rxmit_thresh_

int EnblRTTCtr_

int F_counting

int F_full

double fcnt_

int first_decrease_

double firstsent_

TracedInt highest_ack_

double increase_num_

int last_ack_

int last_cwnd_action_

int maxburst_

int maxcwnd_

double maxrto_

TracedInt maxseq_

TracedInt nackpack_

int nam_tracevar_

TracedInt ndatabytes_

TracedInt ndatapack_

TracedInt nrexmit_

TracedInt nrexmitbytes_

TracedInt nrexmitpack_

int off_tcp_

int old_ecn_

double overhead_

FILE* plotfile_

int prev_highest_ack_

int QOption_

int recover_

int restart_bugfix_

int rtt_active_

int RTT_count

int RTT_goodcount

int RTT_prev

int rtt_seq_

double rtt_ts_

int rttvar_exp_

int rttvar_init_

RtxTimer rtx_timer_

double rtxcur_init_

TracedInt singledup_

int slow_start_restart_

int srtt_init_

TracedInt ssthresh_

int syn_

TracedInt t_backoff_

int T_full

int T_last

int T_prev

TracedInt t_rtt_

TracedInt t_rttvar_

int T_RTTVAR_BITS

double t_rtxcur_

TracedInt t_seqno_

TracedInt t_srtt_

int T_SRTT_BITS

int T_start

double tcp_tick_

int tcpip_base_hdr_size_

int trace_all_oneline_

int ts_option_

double ts_peer_

int W_timed

int W_used

double wnd_

double wnd_const_

double wnd_init_

int wnd_init_option_

int wnd_option_

double wnd_restart_

double wnd_th_

Protected Methods

virtual int delay_bind_dispatch(const char *varName, const char *localName, TclObject *tracer)

virtual void delay_bind_init_all()

virtual void dupack_action()

void ecn(int seqno)

void finish()

double initial_window()

void newack(Packet*)

virtual void newtimer(Packet*)

virtual void output(int seqno, int reason = 0)

void print_if_needed(double memb_time)

void process_qoption_after_ack(int seqno)

void process_qoption_after_send()

void reset()

void reset_qoption()

void reset_rtx_timer(int mild, int backoff = 1)

virtual void rtt_backoff()

void rtt_counting()

virtual void rtt_init()

virtual double rtt_timeout()

virtual void rtt_update(double tao)

virtual void send_much(int force, int reason, int maxburst = 0)

virtual void send_one()

virtual void set_initial_window()

void slowdown(int how)

void tcp_eln(Packet *pkt)

void traceAll()

virtual void traceVar(TracedVar* v)

virtual int window()

Protected

#define T_RTT_BITS

Inherited from Agent:

Public Fields

Agent instvar agent_port_

Agent instvar dst_addr_

Agent instvar dst_port_

Agent instvar namTrace_

Agent instvar tg_

Public Methods

inline nsaddr_t& addr()

Agent instproc attach-app {s_type}

Agent instproc attach-source {s_type}

Agent instproc attach-tbf { tbf }

Agent instproc attach-trace { file }

virtual void attachApp(Application* app)

virtual void close()

Agent instproc connect d

virtual void connect(nsaddr_t dst)

inline nsaddr_t& daddr()

inline nsaddr_t& dport()

Agent instproc dst-port {}

Agent instproc init args

virtual void listen()

inline nsaddr_t& port()

Agent instproc port {}

virtual void send(int nbytes)

void send(Packet* p, Handler* h)

virtual void send(int sz, AppData *data)

virtual void sendto(int sz, AppData*, const char* flags = 0)

virtual void sendto(int nbytes, const char* flags, nsaddr_t dst)

Agent instproc set args

void set_pkttype(packet_t pkttype)

virtual int& size()

Agent instproc traffic-source agent

Protected Fields

Application* app_

Tcl_Channel channel_

int class_

int defttl_

ns_addr_t dst_

int fid_

int flags_

ns_addr_t here_

int off_ip_

OldValue* oldValueList_

int prio_

int seqno_

int size_

char* traceName_

packet_t type_

static int uidcnt_

Protected Methods

void addAgentTrace(const char *name)

Packet* allocpkt()

Packet* allocpkt(int)

void deleteAgentTrace()

void dumpTracedVars()

virtual void idle()

void initpkt(Packet*)

void insertOldValue(TracedVar *v, const char *value)

OldValue* lookupOldValue(TracedVar *v)

void monitorAgentTrace()

virtual void recvBytes(int bytes)

Private Methods

void flushAVar(TracedVar *v)

Inherited from Connector:

Public Methods

virtual void drop(Packet* p)

inline NsObject* target()

Protected Fields

NsObject* drop_

NsObject* target_

Protected Methods

virtual void drop(Packet* p, const char *s)

Inherited from NsObject:

Public Methods

virtual void debug(const char *fmt, ...)

int isdebug()

Protected Fields

int debug_

int off_cmn_

int off_flags_

Protected Methods

void handle(Event*)

Inherited from Handler:

friend class IntTcpAgent

CorresHost()

virtual Segment* add_pkts(int size, int seqno, int sessionSeqno, int daddr, int dport, int sport, double ts, IntTcpAgent *sender)

add pkt to pipe

int clean_segs(int size, Packet *pkt, IntTcpAgent *sender, int sessionSeqno, int amt_data_acked)

remove pkt from pipe

int rmv_old_segs(Packet *pkt, IntTcpAgent *sender, int amt_data_acked)

void opencwnd(int size, IntTcpAgent *sender=0)

void closecwnd(int how, double ts, IntTcpAgent *sender=0)

void closecwnd(int how, IntTcpAgent *sender=0)

void adjust_ownd(int size)

int ok_to_snd(int size)

virtual void add_agent(IntTcpAgent *agent, int size, double winMult, int winInc, int ssthresh)

void del_agent(IntTcpAgent *)

void agent_tout(IntTcpAgent *)

void agent_ftout(IntTcpAgent *)

void agent_rcov(IntTcpAgent *)

void agent_frcov(IntTcpAgent *)

void quench(int how)

Islist <IntTcpAgent> conns_

active connections

Islist_iter <IntTcpAgent> * connIter_

u_int nActive_

number of active tcp conns to this host

u_int nTimeout_

number of tcp conns to this host in timeout

u_int nFastRec_

number of tcp conns to this host in recovery

double closecwTS_

double winMult_

int winInc_

TracedDouble ownd_

outstanding data to host

TracedDouble owndCorrection_

correction factor to account for dupacks

int proxyopt_

indicates whether the connections are on behalf of distinct users (like those from a proxy)

int fixedIw_

fixed initial window (not a function of conn)

Islist <Segment> seglist_

list of unack'd segments to peer

double lastackTS_

double wndInit_

State encompassing the round-trip-time estimate. srtt and rttvar are stored as fixed point; srtt has 3 bits to the right of the binary point, rttvar has 2. should = path_mtu_

Segment* rtt_seg_

segment being timed for RTT computation

int dontAdjustOwnd_

don't adjust ownd in response to dupacks

int dontIncrCwnd_

set when pkt loss is suspected (e.g., there is reordering)

int rexmtSegCount_

number of segments that we "suspect" need to be retransmitted

int disableIntLossRecov_

disable integrated loss recovery

Segment* curArray_[MAX_PARALLEL_CONN]

possible candidates for rxmission

Segment* prevArray_[MAX_PARALLEL_CONN]

prev segs

Event timer_

following is for right-edge timer recovery int pending_;

inline void cancel()

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Direct child classes:

TcpSessionAgent

alphabetic index hierarchy of classes

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Adapted for the NS documentation page

(c)opyright by Malte Zöckler, Roland Wunderling
contact: doc++@zib.de