Inherited from RTPAgent:

Public Methods

void advanceby(int delta)

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

Agent/RTP instproc done {}

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

virtual void timeout(int)

Protected Fields

double interval_

double lastpkttime_

int maxpkts_

int off_rtp_

int random_

RTPTimer rtp_timer_

int running_

int seqno_

RTPSession* session_

Protected Methods

virtual void finish()

void rate_change()

virtual void sendpkt()

virtual void start()

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 size_

char* traceName_

packet_t type_

static int uidcnt_

Protected Methods

void addAgentTrace(const char *name)

Packet* allocpkt(int)

Packet* allocpkt()

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

virtual void delay_bind_init_all()

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)

virtual void trace(TracedVar *v)

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*)

virtual void reset()

Inherited from Handler:

TFCCAgent()

virtual void makepkt(Packet*)

virtual void recv(Packet*, Handler*)

virtual void loss_event(int)

called when a loss is detected

virtual void ecn_event()

called when seeing an ECN

virtual void peer_rttest_known(double)

called when peer knows rtt

virtual void rtt_known(double)

called when we know rtt

virtual void slowdown(int)

reason to slow down

virtual void speedup()

possible opportunity to speed up

virtual void nopeer()

lost ack stream from peer

virtual double winchg()

pkts to speed up by

virtual void stop()

virtual void rtt_timeout(TimerHandler*)

rtt heartbeat

virtual void ack_timeout(TimerHandler*)

ack sender

void ack_rate_change()

changes the ack gen rate

double now()

double rtt_sample(double samp)

double alpha_

weighting factor for rtt mean estimate

double beta_

weighting factor for rtt var estimate

double srtt_

current smoothed rtt

double srtt_chg_

srtt when speedup/slowdown last called

double rttvar_

double maxrtt_

max rtt seen

double minrtt_

min rtt seen

double peer_rtt_est_

peer's est of the rtt

double peer_interval_

last known peer's interval_

double last_ts_

ts field carries on last pkt

double last_loss_time_

last time we saw a loss

double ack_interval_

"ack" sending rate

double last_rtime_

last time a pkt was received

int expected_

next expected sequence number

int nrcv_

pkts recv'd (cumulative)

int nlost_

pkts lost (cumulative)

int plost_

pkts peer reported lost

int cseq_

congest epoch seq (as receiver)

int highest_cseq_seen_

peer's last cseq seen (I am sender)

int last_cseq_checked_

last cseq value at rtt heartbeat

int last_expected_

value of expected_ on last rtt beat

int silence_

of beats we've been idle

int silence_thresh_

call nopeer() if silence_ > silence_thresh_

int needresponse_

send a packet in response to current one

int last_ecn_

last recv had an ecn

class TFCCAckTimer: public TimerHandler

TFCCAckTimer(TFCCAgent *a)

void expire(Event *)

TFCCAgent* a_

friend TFCCAckTimer

TFCCAckTimer ack_timer_

periodic timer for ack generation

class TFCCRttTimer: public TimerHandler

TFCCRttTimer(TFCCAgent *a)

void expire(Event *)

TFCCAgent* a_

friend TFCCRttTimer

TFCCRttTimer rtt_timer_

periodic rtt-based heartbeat

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Direct child classes:

VTFCCAgent
ETFCCAgent

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