dsragent.cc File Reference

#include <assert.h>
#include <math.h>
#include <stdio.h>
#include <signal.h>
#include <float.h>
#include <object.h>
#include <agent.h>
#include <trace.h>
#include <packet.h>
#include <scheduler.h>
#include <random.h>
#include <mac.h>
#include <ll.h>
#include <cmu-trace.h>
#include "path.h"
#include "srpacket.h"
#include "routecache.h"
#include "requesttable.h"
#include "dsragent.h"

Include dependency graph for dsragent.cc:

Go to the source code of this file.

Data Structures
class	DSRAgentClass
Defines
#define	NEW_SALVAGE_LOGIC
Functions
static bool	BackOffTest (Entry *e, Time time)
static GratReplyHoldDown *	FindGratHoldDown (GratReplyHoldDown *hd, int sz, Path &query)
void	XmitFailureCallback (Packet *pkt, void *data)
void	XmitFlowFailureCallback (Packet *pkt, void *data)
Variables
Time	arp_timeout = 30.0e-3
DSRAgentClass	class_DSRAgent
static const int	default_flow_timeout = 60
static bool	dsr_salvage_allow_propagating = 0
static int	dsr_salvage_max_attempts = 15
static int	dsr_salvage_max_requests = 1
int64_t	dsr_tap = 0
int64_t	dsr_tap_skip = 0
static const bool	dsragent_always_reestablish = true
bool	dsragent_dont_salvage_bad_replies = true
static const bool	dsragent_enable_flowstate = true
static const bool	dsragent_prefer_default_flow = true
static const bool	dsragent_prefer_shorter_over_default = true
bool	dsragent_propagate_last_error = true
bool	dsragent_reply_from_cache_on_propagating = true
bool	dsragent_reply_only_to_first_rtreq = false
bool	dsragent_require_bi_routes = true
bool	dsragent_ring_zero_search = true
bool	dsragent_salvage_with_cache = true
bool	dsragent_send_grat_replies = true
bool	dsragent_snoop_forwarded_errors = true
bool	dsragent_snoop_source_routes = true
bool	dsragent_use_tap = true
Time	grat_hold_down_time = 1.0
Time	max_err_hold = 1.0
static const int	min_adv_interval = 5
Time	rt_rq_max_period = 10.0
Time	rt_rq_period = 0.5
Time	send_timeout = SEND_TIMEOUT
static const int	verbose = 0
static const int	verbose_srr = 0
static const int	verbose_ssalv = 1

---

Define Documentation

#define NEW_SALVAGE_LOGIC

Definition at line 90 of file dsragent.cc. Referenced by DSRAgent::getRouteForPacket().

---

Function Documentation

static bool BackOffTest (  Entry *  e, Time  time )  [static]

Definition at line 306 of file dsragent.cc. References Entry::last_rt_req, Entry::rt_reqs_outstanding, rt_rq_max_period, and rt_rq_period. Referenced by DSRAgent::getRouteForPacket(). { Time next = ((Time) (0x1 << (e->rt_reqs_outstanding * 2))) * rt_rq_period; if (next > rt_rq_max_period) next = rt_rq_max_period; if (next + e->last_rt_req > time) return false; // don't let rt_reqs_outstanding overflow next on the LogicalShiftsLeft's if (e->rt_reqs_outstanding < 15) e->rt_reqs_outstanding++; e->last_rt_req = time; return true; }

static GratReplyHoldDown* FindGratHoldDown (  GratReplyHoldDown *  hd, int  sz, Path &  query )  [static]

Definition at line 2148 of file dsragent.cc. Referenced by DSRAgent::sendRouteShortening(). { int c; for (c = 0; c < sz; c++) if (query == hd[c].p) return &hd[c]; return NULL; }

void XmitFailureCallback (  Packet *  pkt, void *  data )

Definition at line 2789 of file dsragent.cc. References agent. { DSRAgent *agent = (DSRAgent *)data; // cast of trust agent->xmitFailed(pkt); }

void XmitFlowFailureCallback (  Packet *  pkt, void *  data )

Definition at line 2796 of file dsragent.cc. References agent. { DSRAgent *agent = (DSRAgent *)data; agent->xmitFlowFailed(pkt); }

---

Variable Documentation

Time arp_timeout = 30.0e-3

Definition at line 125 of file dsragent.cc. Referenced by DSRAgent::getRouteForPacket().

DSRAgentClass class_DSRAgent [static]

const int default_flow_timeout = 60 [static]

Definition at line 116 of file dsragent.cc.

bool dsr_salvage_allow_propagating = 0 [static]

Definition at line 106 of file dsragent.cc. Referenced by DSRAgent::getRouteForPacket().

int dsr_salvage_max_attempts = 15 [static]

Definition at line 96 of file dsragent.cc. Referenced by DSRAgent::undeliverablePkt().

int dsr_salvage_max_requests = 1 [static]

Definition at line 101 of file dsragent.cc. Referenced by DSRAgent::getRouteForPacket().

int64_t dsr_tap = 0

Definition at line 1949 of file dsragent.cc.

int64_t dsr_tap_skip = 0

Definition at line 1950 of file dsragent.cc.

const bool dsragent_always_reestablish = true [static]

Definition at line 114 of file dsragent.cc.

bool dsragent_dont_salvage_bad_replies = true

Definition at line 175 of file dsragent.cc. Referenced by DSRAgent::command().

const bool dsragent_enable_flowstate = true [static]

Definition at line 111 of file dsragent.cc.

const bool dsragent_prefer_default_flow = true [static]

Definition at line 112 of file dsragent.cc.

const bool dsragent_prefer_shorter_over_default = true [static]

Definition at line 113 of file dsragent.cc.

bool dsragent_propagate_last_error = true

Definition at line 153 of file dsragent.cc. Referenced by DSRAgent::command(), and DSRAgent::sendOutRtReq().

bool dsragent_reply_from_cache_on_propagating = true

Definition at line 164 of file dsragent.cc. Referenced by DSRAgent::command().

bool dsragent_reply_only_to_first_rtreq = false

Definition at line 151 of file dsragent.cc.

bool dsragent_require_bi_routes = true

Definition at line 180 of file dsragent.cc.

bool dsragent_ring_zero_search = true

Definition at line 167 of file dsragent.cc. Referenced by DSRAgent::command(), and DSRAgent::getRouteForPacket().

bool dsragent_salvage_with_cache = true

Definition at line 159 of file dsragent.cc. Referenced by DSRAgent::command(), and DSRAgent::undeliverablePkt().

bool dsragent_send_grat_replies = true

Definition at line 157 of file dsragent.cc. Referenced by DSRAgent::command(), and DSRAgent::sendRouteShortening().

bool dsragent_snoop_forwarded_errors = true

Definition at line 147 of file dsragent.cc. Referenced by DSRAgent::command().

bool dsragent_snoop_source_routes = true

Definition at line 149 of file dsragent.cc. Referenced by DSRAgent::command().

bool dsragent_use_tap = true

Definition at line 162 of file dsragent.cc. Referenced by DSRAgent::command(), and DSRAgent::tap().

Time grat_hold_down_time = 1.0

Definition at line 137 of file dsragent.cc. Referenced by DSRAgent::sendRouteShortening().

Time max_err_hold = 1.0

Definition at line 140 of file dsragent.cc. Referenced by DSRAgent::sendOutRtReq().

const int min_adv_interval = 5 [static]

Definition at line 115 of file dsragent.cc.

Time rt_rq_max_period = 10.0

Definition at line 127 of file dsragent.cc. Referenced by BackOffTest(), and DSRAgent::command().

Time rt_rq_period = 0.5

Definition at line 126 of file dsragent.cc. Referenced by BackOffTest(), DSRAgent::command(), RequestTable::getEntry(), and RequestTable::insert().

Time send_timeout = SEND_TIMEOUT

Definition at line 128 of file dsragent.cc. Referenced by DSRAgent::command(), and DSRAgent::sendBufferCheck().

const int verbose = 0 [static]

Definition at line 119 of file dsragent.cc.

const int verbose_srr = 0 [static]

Definition at line 120 of file dsragent.cc.

const int verbose_ssalv = 1 [static]

Definition at line 121 of file dsragent.cc.

---