Channel Class Reference

#include <channel.h>

Inheritance diagram for Channel:

Collaboration diagram for Channel:

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Detailed Description

Definition at line 59 of file channel.h.

Public Member Functions
	Channel (void)
virtual int	command (int argc, const char *const *argv)
int	index ()
double	maxdelay ()
virtual void	recv (Packet *p, Handler *)
Data Fields
TclObject *	gridkeeper_
if_head	ifhead_
Protected Member Functions
virtual double	get_pdelay (Node *tnode, Node *rnode)
Protected Attributes
double	delay_
int	index_
Trace *	trace_
Private Member Functions
void	dump (void)
virtual void	sendUp (Packet *p, Phy *txif)

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Constructor & Destructor Documentation

Channel::Channel (  void   )

Definition at line 97 of file channel.cc. References ChannelIndex, delay_, ifhead_, index_, and LIST_INIT. : TclObject() { index_ = ChannelIndex++; LIST_INIT(&ifhead_); bind_time("delay_", &delay_); }

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Member Function Documentation

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

Reimplemented in WirelessChannel. Definition at line 104 of file channel.cc. References ifhead_, index_, and trace_. Referenced by WirelessChannel::command(). { if (argc == 3) { TclObject *obj; if( (obj = TclObject::lookup(argv[2])) == 0) { fprintf(stderr, "%s lookup failed\n", argv[1]); return TCL_ERROR; } if (strcmp(argv[1], "trace-target") == 0) { trace_ = (Trace*) obj; return (TCL_OK); } else if(strcmp(argv[1], "addif") == 0) { ((Phy*) obj)->insertchnl(&ifhead_); ((Phy*) obj)->setchnl(this); return TCL_OK; } // add interface for grid_keeper_ /*else if(strncasecmp(argv[1], "grid_keeper", 5) == 0) { grid_keeper_ = (GridKeeper*)obj; return TCL_OK; }*/ } else if (argc == 2) { Tcl& tcl = Tcl::instance(); if (strcmp(argv[1], "trace-target") == 0) { tcl.resultf("%s", trace_->name()); return (TCL_OK); } else if(strcmp(argv[1], "id") == 0) { tcl.resultf("%d", index_); return TCL_OK; } } return TclObject::command(argc, argv); }

void Channel::dump (  void   )  [private]

Definition at line 201 of file channel.cc. References Phy::dump(), ifhead_, and Phy::nextchnl(). { Phy *n; fprintf(stdout, "Network Interface List\n"); for(n = ifhead_.lh_first; n; n = n->nextchnl() ) n->dump(); fprintf(stdout, "--------------------------------------------------\n"); } Here is the call graph for this function:

double Channel::get_pdelay (  Node *  tnode, Node *  rnode )  [protected, virtual]

Reimplemented in WirelessChannel, and SatChannel. Definition at line 193 of file channel.cc. References delay_. Referenced by sendUp(). { // Dummy function return delay_; }

int Channel::index (   )  [inline]

Definition at line 67 of file channel.h. References index_. {return index_;}

double Channel::maxdelay (   )  [inline]

Definition at line 66 of file channel.h. References delay_. Referenced by Mac802_3::sendDown(). { return delay_; };

void Channel::recv (  Packet *  p, Handler *  )  [virtual]

Reimplemented in NoDupChannel. Definition at line 144 of file channel.cc. References sendUp(). Referenced by WirelessPhy::sendDown(), WiredPhy::sendDown(), RepeaterPhy::sendDown(), and SatPhy::sendDown(). { sendUp(p, (Phy*)h); } Here is the call graph for this function:

void Channel::sendUp (  Packet *  p, Phy *  txif )  [private, virtual]

Reimplemented in NoDupChannel, and WirelessChannel. Definition at line 152 of file channel.cc. References Packet::copy(), hdr_cmn::direction(), get_pdelay(), HDR_CMN, ifhead_, Scheduler::instance(), Phy::nextchnl(), Phy::node(), Scheduler::schedule(), and hdr_cmn::UP. Referenced by recv(). { Scheduler &s = Scheduler::instance(); Phy *rifp = ifhead_.lh_first; Node *tnode = tifp->node(); Node *rnode = 0; Packet *newp; double propdelay = 0.0; struct hdr_cmn *hdr = HDR_CMN(p); hdr->direction() = hdr_cmn::UP; for( ; rifp; rifp = rifp->nextchnl()) { rnode = rifp->node(); if(rnode == tnode) continue; /* * Each node needs to get their own copy of this packet. * Since collisions occur at the receiver, we can have * two nodes canceling and freeing the *same* simulation * event. * */ newp = p->copy(); propdelay = get_pdelay(tnode, rnode); /* * Each node on the channel receives a copy of the * packet. The propagation delay determines exactly * when the receiver's interface detects the first * bit of this packet. */ s.schedule(rifp, newp, propdelay); } Packet::free(p); } Here is the call graph for this function:

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Field Documentation

double Channel::delay_ [protected]

Definition at line 81 of file channel.h. Referenced by Channel(), get_pdelay(), maxdelay(), and NoDupChannel::recv().

TclObject* Channel::gridkeeper_

Definition at line 65 of file channel.h.

struct if_head Channel::ifhead_

Definition at line 64 of file channel.h. Referenced by SatChannel::add_interface(), WirelessChannel::calcHighestAntennaZ(), Channel(), command(), SatRouteObject::compute_topology(), dump(), SatChannel::find_peer_mac_addr(), LinkHandoffMgr::get_peer(), LinkHandoffMgr::get_peer_linkhead(), WirelessChannel::sendUp(), NoDupChannel::sendUp(), and sendUp().

int Channel::index_ [protected]

Definition at line 80 of file channel.h. Referenced by Channel(), command(), SatChannel::getId(), and index().

Trace* Channel::trace_ [protected]

Definition at line 86 of file channel.h. Referenced by command().

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

• channel.h
• channel.cc

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