ReserveAddressClassifier Class Reference

#include <classifier-addr.h>

Inheritance diagram for ReserveAddressClassifier:

AddressClassifier Classifier NsObject TclObject Handler Collaboration diagram for ReserveAddressClassifier:

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Detailed Description

Definition at line 46 of file classifier-addr.h.

Public Types

enum  classify_ret { ONCE = -2, TWICE = -1 }

Public Member Functions

int allocPort (NsObject *)
virtual void debug (const char *fmt,...)
virtual int delay_bind_dispatch (const char *varName, const char *localName, TclObject *tracer)
virtual void delay_bind_init_all ()
virtual void do_install (char *dst, NsObject *target)
virtual NsObject * find (Packet *)
virtual void install (int slot, NsObject *)
int install_next (NsObject *node)
int isdebug () const
int maxslot () const
int mshift (int val)
virtual void recv (Packet *p, const char *s)
virtual void recv (Packet *p, Handler *h)
virtual void recvOnly (Packet *)
 ReserveAddressClassifier ()
void set_default_target (NsObject *obj)
virtual void set_table_size (int level, int nn)
void set_table_size (int nn)
NsObject * slot (int slot)

Protected Member Functions

void alloc (int)
virtual int classify (Packet *p)
virtual void clear (int slot)
virtual int command (int argc, const char *const *argv)
virtual int getnxt (NsObject *)
void handle (Event *)
virtual void reset ()

Protected Attributes

int debug_
NsObject * default_target_
int mask_
int maxslot_
int nsize_
int nslot_
int offset_
int reserved_
int shift_
NsObject ** slot_

Member Enumeration Documentation

enum Classifier::classify_ret [inherited]
 

Enumerator:
ONCE 
TWICE 

Definition at line 64 of file classifier.h.

00064 {ONCE= -2, TWICE= -1};

Constructor & Destructor Documentation

ReserveAddressClassifier::ReserveAddressClassifier (   )  [inline]
 

Definition at line 48 of file classifier-addr.h.

00048 : AddressClassifier(), reserved_(0) {}

Member Function Documentation

void Classifier::alloc (  int   )  [protected, inherited]
 

Definition at line 79 of file classifier.cc.

References Classifier::nsize_, Classifier::nslot_, and Classifier::slot_.

Referenced by ReservePortClassifier::command(), command(), Classifier::getnxt(), ReservePortClassifier::getnxt(), getnxt(), and Classifier::install().

00080 {
00081     NsObject** old = slot_;
00082     int n = nslot_;
00083     if (old == 0) 
00084         if (nsize_ != 0) {
00085             //printf("classifier %x set to %d....%dth visit\n", this, nsize_, i++);
00086             nslot_ = nsize_;
00087         }
00088         else {
00089             //printf("classifier %x set to 32....%dth visit\n", this, j++);
00090             nslot_ = 32;
00091         }
00092     while (nslot_ <= slot) 
00093         nslot_ <<= 1;
00094     slot_ = new NsObject*[nslot_];
00095     memset(slot_, 0, nslot_ * sizeof(NsObject*));
00096     for (int i = 0; i < n; ++i)
00097         slot_[i] = old[i];
00098     delete [] old;
00099 }

int Classifier::allocPort (  NsObject *   )  [inherited]
 

Definition at line 120 of file classifier.cc.

References Classifier::getnxt().

00121 {
00122     return getnxt (nullagent);
00123 }

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int ReserveAddressClassifier::classify (  Packet *  p  )  [protected, virtual]
 

Reimplemented from AddressClassifier.

Definition at line 86 of file classifier-addr.cc.

References hdr_ip::access(), and hdr_ip::dport().

00086                                                 {
00087         hdr_ip* iph = hdr_ip::access(p);
00088         return iph->dport();
00089 };

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void ReserveAddressClassifier::clear (  int  slot  )  [protected, virtual]
 

Reimplemented from Classifier.

Definition at line 77 of file classifier-addr.cc.

References Classifier::maxslot_, reserved_, and Classifier::slot_.

00078 {
00079         slot_[slot] = 0;
00080         if (slot == maxslot_) {
00081                 while (--maxslot_ >= reserved_ && slot_[maxslot_] == 0)
00082                         ;
00083         }
00084 }

int ReserveAddressClassifier::command (  int  argc,
const char *const *  argv
)  [protected, virtual]
 

Reimplemented from Classifier.

Definition at line 65 of file classifier-addr.cc.

References Classifier::alloc(), Classifier::command(), Classifier::maxslot_, and reserved_.

00066 {
00067         // Tcl& tcl = Tcl::instance();
00068 
00069         if (argc == 3 && strcmp(argv[1],"reserve-port") == 0) {
00070                 reserved_ = atoi(argv[2]);
00071                 alloc((maxslot_ = reserved_ - 1));
00072                 return(TCL_OK);
00073         }
00074         return (AddressClassifier::command(argc, argv));
00075 }

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void NsObject::debug (  const char *  fmt,
  ...
)  [virtual, inherited]
 

Definition at line 102 of file object.cc.

References NsObject::debug_.

00103 {
00104     if (!debug_)
00105         return;
00106     va_list ap;
00107     va_start(ap, fmt);
00108     vprintf(fmt, ap);
00109 }

int NsObject::delay_bind_dispatch (  const char *  varName,
const char *  localName,
TclObject *  tracer
)  [virtual, inherited]
 

Reimplemented in BayFullTcpAgent, Agent, MPLSAddressClassifier, LDPAgent, HbAfterRtoSctpAgent, MfrHbAfterRtoSctpAgent, MfrTimestampSctpAgent, MultipleFastRtxSctpAgent, NewRenoSctpAgent, TimestampSctpAgent, SctpAgent, FullTcpAgent, SackFullTcpAgent, RFC793eduTcpAgent, TcpSink, TcpAgent, VegasTcpAgent, XcpAgent, and XcpSink.

Definition at line 63 of file object.cc.

References NsObject::debug_.

Referenced by MPLSAddressClassifier::delay_bind_dispatch(), and Agent::delay_bind_dispatch().

00064 {
00065     if (delay_bind_bool(varName, localName, "debug_", &debug_, tracer)) 
00066         return TCL_OK;
00067     return TclObject::delay_bind_dispatch(varName, localName, tracer);
00068 }

void NsObject::delay_bind_init_all (   )  [virtual, inherited]
 

Reimplemented in BayFullTcpAgent, Agent, MPLSAddressClassifier, LDPAgent, HbAfterRtoSctpAgent, MfrHbAfterRtoSctpAgent, MfrTimestampSctpAgent, MultipleFastRtxSctpAgent, NewRenoSctpAgent, TimestampSctpAgent, SctpAgent, FullTcpAgent, SackFullTcpAgent, RFC793eduTcpAgent, TcpSink, TcpAgent, VegasTcpAgent, XcpAgent, and XcpSink.

Definition at line 57 of file object.cc.

Referenced by MPLSAddressClassifier::delay_bind_init_all(), and Agent::delay_bind_init_all().

00058 {
00059     delay_bind_init_one("debug_");
00060 }

virtual void Classifier::do_install (  char *  dst,
NsObject *  target
)  [inline, virtual, inherited]
 

Reimplemented in DestHashClassifier, HierClassifier, and VirtualClassifier.

Definition at line 66 of file classifier.h.

References Classifier::install(), and Classifier::slot().

Referenced by RoutingModule::add_route(), BroadcastNode::add_route(), RoutingModule::delete_route(), and BroadcastNode::delete_route().

00066                                                          {
00067         int slot = atoi(dst);
00068         install(slot, target); }

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NsObject * Classifier::find (  Packet *   )  [virtual, inherited]
 

Reimplemented in BcastAddressClassifier, QSClassifier, NixClassifier, and SRClassifier.

Definition at line 159 of file classifier.cc.

References Classifier::classify(), Classifier::default_target_, Classifier::nslot_, Classifier::slot_, and Classifier::TWICE.

Referenced by FlowMon::drop(), FlowMon::edrop(), FlowMon::find(), FlowMon::in(), Tagger::in(), FlowMon::mon_edrop(), FlowMon::out(), MIPDecapsulator::recv(), Classifier::recv(), MacClassifier::recv(), MCastBSTClassifier::recv(), and SctpAgent::SetSource().

00160 {
00161     NsObject* node = NULL;
00162     int cl = classify(p);
00163     if (cl < 0 || cl >= nslot_ || (node = slot_[cl]) == 0) { 
00164         if (default_target_) 
00165             return default_target_;
00166         /*
00167          * Sigh.  Can't pass the pkt out to tcl because it's
00168          * not an object.
00169          */
00170         Tcl::instance().evalf("%s no-slot %ld", name(), cl);
00171         if (cl == TWICE) {
00172             /*
00173              * Try again.  Maybe callback patched up the table.
00174              */
00175             cl = classify(p);
00176             if (cl < 0 || cl >= nslot_ || (node = slot_[cl]) == 0)
00177                 return (NULL);
00178         }
00179     }
00180     return (node);
00181 }

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int ReserveAddressClassifier::getnxt (  NsObject *   )  [protected, virtual]
 

Reimplemented from Classifier.

Definition at line 91 of file classifier-addr.cc.

References Classifier::alloc(), Classifier::nslot_, reserved_, and Classifier::slot_.

00092 {
00093         int i;
00094         for (i=reserved_; i < nslot_; i++)
00095                 if (slot_[i]==0 || slot_[i]==nullagent)
00096                         return i;
00097         i=nslot_;
00098         alloc(nslot_); 
00099         return i;
00100 }

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void NsObject::handle (  Event *   )  [protected, virtual, inherited]
 

Implements Handler.

Reimplemented in LinkDelay, LL, AckRecons, and Snoop.

Definition at line 91 of file object.cc.

References NsObject::recv().

00092 {
00093     recv((Packet*)e);
00094 }

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void Classifier::install (  int  slot,
NsObject * 
)  [virtual, inherited]
 

Reimplemented in MPLSAddressClassifier.

Definition at line 102 of file classifier.cc.

References Classifier::alloc(), Classifier::maxslot_, Classifier::nslot_, and Classifier::slot_.

Referenced by Classifier::command(), Classifier::do_install(), HierClassifier::do_install(), DestHashClassifier::do_install(), MPLSAddressClassifier::install(), and Classifier::install_next().

00103 {
00104     if (slot >= nslot_)
00105         alloc(slot);
00106     slot_[slot] = p;
00107     if (slot >= maxslot_)
00108         maxslot_ = slot;
00109 }

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int Classifier::install_next (  NsObject *  node  )  [inherited]
 

Definition at line 183 of file classifier.cc.

References Classifier::install(), Classifier::maxslot_, and Classifier::slot().

Referenced by ManualRoutingModule::add_route(), and Classifier::command().

00183                                            {
00184     int slot = maxslot_ + 1;
00185     install(slot, node);
00186     return (slot);
00187 }

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int NsObject::isdebug (   )  const [inline, inherited]
 

Definition at line 61 of file object.h.

References NsObject::debug_.

00061 { return debug_; }

int Classifier::maxslot (   )  const [inline, inherited]
 

Definition at line 49 of file classifier.h.

References Classifier::maxslot_.

Referenced by FlowMon::dumpflows(), Tagger::dumpflows(), FlowMon::flow_list(), and Tagger::flow_list().

00049 { return maxslot_; }

int Classifier::mshift (  int  val  )  [inline, inherited]
 

Definition at line 55 of file classifier.h.

References Classifier::mask_, and Classifier::shift_.

Referenced by Classifier::classify(), VirtualClassifier::classify(), AddressClassifier::classify(), DestHashClassifier::hashkey(), SrcDestHashClassifier::hashkey(), SrcDestFidHashClassifier::hashkey(), and HashClassifier::lookup().

00055 { return ((val >> shift_) & mask_); }

void NsObject::recv (  Packet *  p,
const char *  s
)  [virtual, inherited]
 

Reimplemented in CMUTrace.

Definition at line 96 of file object.cc.

References Packet::free().

00097 {
00098     Packet::free(p);
00099 }

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void Classifier::recv (  Packet *  p,
Handler *  h
)  [virtual, inherited]
 

Implements NsObject.

Reimplemented in MCastBSTClassifier, HierClassifier, MacClassifier, VirtualClassifier, Replicator, and MIPDecapsulator.

Definition at line 140 of file classifier.cc.

References Classifier::find(), Packet::free(), and NsObject::recv().

Referenced by AODV::forward(), ErrorModule::recv(), DumbAgent::recv(), and HierClassifier::recv().

00141 {
00142     NsObject* node = find(p);
00143     if (node == NULL) {
00144         /*
00145          * XXX this should be "dropped" somehow.  Right now,
00146          * these events aren't traced.
00147          */
00148         Packet::free(p);
00149         return;
00150     }
00151     node->recv(p,h);
00152 }

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virtual void NsObject::recvOnly (  Packet *   )  [inline, virtual, inherited]
 

Reimplemented in Agent, and Trace.

Definition at line 56 of file object.h.

Referenced by Trace::recvOnly().

00056 {};

void NsObject::reset (   )  [protected, virtual, inherited]
 

Reimplemented in BayFullTcpAgent, HashClassifier, IvsSource, dsREDQueue, DiffusionRate, SinkAgent, DiffusionAgent, FloodingAgent, OmniMcastAgent, LinkDelay, CBQueue, DropTail, ErrorModel, PIQueue, Queue< T >, RedPDQueue, REDQueue, REMQueue, RIOQueue, Snoop, FackTcpAgent, FullTcpAgent, SackFullTcpAgent, RFC793eduTcpAgent, Sack1TcpAgent, TcpSink, DelAckSink, TcpAgent, VegasTcpAgent, toraAgent, Queue< T >, and XcpSink.

Definition at line 70 of file object.cc.

Referenced by NsObject::command().

00071 {
00072 }

void Classifier::set_default_target (  NsObject *  obj  )  [inline, inherited]
 

Definition at line 56 of file classifier.h.

References Classifier::default_target_.

Referenced by HierClassifier::command().

00056                                                   { 
00057         default_target_ = obj;
00058     }

virtual void Classifier::set_table_size (  int  level,
int  nn
)  [inline, virtual, inherited]
 

Reimplemented in HierClassifier.

Definition at line 75 of file classifier.h.

00075 {}

void Classifier::set_table_size (  int  nn  )  [inherited]
 

Reimplemented in HashClassifier.

Definition at line 74 of file classifier.cc.

References Classifier::nsize_.

Referenced by RoutingModule::set_table_size(), and HierClassifier::set_table_size().

00075 {
00076     nsize_ = nn;
00077 }

NsObject* Classifier::slot (  int  slot  )  [inline, inherited]
 

Definition at line 50 of file classifier.h.

References Classifier::nslot_, and Classifier::slot_.

Referenced by DestHashClassifier::classify(), HashClassifier::classify(), Classifier::command(), MCastClassifier::command(), HierClassifier::command(), HashClassifier::command(), MPLSAddressClassifier::command(), Classifier::do_install(), DestHashClassifier::do_install(), FlowMon::dumpflows(), Tagger::dumpflows(), FlowMon::flow_list(), Tagger::flow_list(), and Classifier::install_next().

00050                                     {
00051         if ((slot >= 0) && (slot < nslot_))
00052             return slot_[slot];
00053         return 0;
00054     }

Field Documentation

int NsObject::debug_ [protected, inherited]
 

Reimplemented in FECModel, FloodAgent, and LandmarkAgent.

Definition at line 66 of file object.h.

Referenced by REDQueue::command(), RedPDQueue::command(), PushbackQueue::command(), NsObject::debug(), NsObject::delay_bind_dispatch(), PushbackQueue::enque(), NsObject::isdebug(), NsObject::NsObject(), TfrcAgent::recv(), PushbackQueue::reportDrop(), SctpAgent::Reset(), REDQueue::reset(), DropTail::shrink_queue(), and Delayer::try_send().

NsObject* Classifier::default_target_ [protected, inherited]
 

Definition at line 88 of file classifier.h.

Referenced by Classifier::Classifier(), Classifier::command(), Classifier::find(), BcastAddressClassifier::find(), and Classifier::set_default_target().

int Classifier::mask_ [protected, inherited]
 

Definition at line 87 of file classifier.h.

Referenced by Classifier::Classifier(), and Classifier::mshift().

int Classifier::maxslot_ [protected, inherited]
 

Definition at line 84 of file classifier.h.

Referenced by MultiPathForwarder::classify(), DestHashClassifier::classify(), HashClassifier::classify(), Classifier::clear(), ReservePortClassifier::clear(), clear(), Replicator::command(), ReservePortClassifier::command(), HashClassifier::command(), command(), Classifier::install(), Classifier::install_next(), Classifier::maxslot(), Replicator::recv(), and MacClassifier::recv().

int Classifier::nsize_ [protected, inherited]
 

Definition at line 89 of file classifier.h.

Referenced by Classifier::alloc(), and Classifier::set_table_size().

int Classifier::nslot_ [protected, inherited]
 

Definition at line 83 of file classifier.h.

Referenced by Classifier::alloc(), Classifier::command(), Classifier::find(), BcastAddressClassifier::find(), MCastClassifier::findslot(), Classifier::getnxt(), ReservePortClassifier::getnxt(), getnxt(), Classifier::install(), MPLSAddressClassifier::install(), and Classifier::slot().

int Classifier::offset_ [protected, inherited]
 

Definition at line 85 of file classifier.h.

Referenced by Classifier::Classifier(), and Classifier::classify().

int ReserveAddressClassifier::reserved_ [protected]
 

Definition at line 54 of file classifier-addr.h.

Referenced by clear(), command(), and getnxt().

int Classifier::shift_ [protected, inherited]
 

Definition at line 86 of file classifier.h.

Referenced by Classifier::Classifier(), and Classifier::mshift().

NsObject** Classifier::slot_ [protected, inherited]
 

Definition at line 82 of file classifier.h.

Referenced by Classifier::alloc(), MultiPathForwarder::classify(), Classifier::clear(), ReservePortClassifier::clear(), clear(), Replicator::command(), Classifier::command(), MCastClassifier::command(), HashClassifier::command(), Classifier::find(), SRClassifier::find(), QSClassifier::find(), BcastAddressClassifier::find(), MCastClassifier::findslot(), Classifier::getnxt(), ReservePortClassifier::getnxt(), getnxt(), Classifier::install(), MPLSAddressClassifier::install(), Replicator::recv(), MacClassifier::recv(), Classifier::slot(), and Classifier::~Classifier().

The documentation for this class was generated from the following files:
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