routing_table.cc
上传用户:rrhhcc
上传日期:2015-12-11
资源大小:54129k
文件大小:8k
- /*
- * routing_table.cc
- * Copyright (C) 2000 by the University of Southern California
- * $Id: routing_table.cc,v 1.5 2005/08/25 18:58:04 johnh Exp $
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
- *
- *
- * The copyright of this module includes the following
- * linking-with-specific-other-licenses addition:
- *
- * In addition, as a special exception, the copyright holders of
- * this module give you permission to combine (via static or
- * dynamic linking) this module with free software programs or
- * libraries that are released under the GNU LGPL and with code
- * included in the standard release of ns-2 under the Apache 2.0
- * license or under otherwise-compatible licenses with advertising
- * requirements (or modified versions of such code, with unchanged
- * license). You may copy and distribute such a system following the
- * terms of the GNU GPL for this module and the licenses of the
- * other code concerned, provided that you include the source code of
- * that other code when and as the GNU GPL requires distribution of
- * source code.
- *
- * Note that people who make modified versions of this module
- * are not obligated to grant this special exception for their
- * modified versions; it is their choice whether to do so. The GNU
- * General Public License gives permission to release a modified
- * version without this exception; this exception also makes it
- * possible to release a modified version which carries forward this
- * exception.
- *
- */
- /********************************************************************/
- /* routing_table.cc : Chalermek Intanagonwiwat (USC/ISI) 05/18/99 */
- /********************************************************************/
- // Important Note: Work still in progress !
- #include <assert.h>
- #include <math.h>
- #include <stdio.h>
- #include <signal.h>
- #include <float.h>
- #include <tcl.h>
- #include <stdlib.h>
- #include "diff_header.h"
- #include "agent.h"
- #include "tclcl.h"
- #include "ip.h"
- #include "config.h"
- #include "packet.h"
- #include "trace.h"
- #include "random.h"
- #include "classifier.h"
- #include "node.h"
- #include "diffusion.h"
- #include "diff_rate.h"
- #include "iflist.h"
- #include "hash_table.h"
- #include "arp.h"
- #include "mac.h"
- #include "ll.h"
- #include "dsr/path.h"
- #include "god.h"
- #include "routing_table.h"
- void Diff_Routing_Entry::reset()
- {
- counter = 0;
- num_active = 0;
- num_iif = 0;
- clear_outlist(active);
- clear_outlist(inactive);
- clear_inlist(iif);
- clear_inlist(down_iif);
- clear_agentlist(source);
- clear_agentlist(sink);
- active = NULL;
- inactive = NULL;
- iif = NULL;
- down_iif = NULL;
- source = NULL;
- sink = NULL;
- last_fwd_time = -2.0*INTEREST_PERIODIC;
- new_org_counter = 0;
- }
- void Diff_Routing_Entry::clear_outlist(Out_List *list)
- {
- Out_List *cur=list;
- Out_List *temp = NULL;
- while (cur != NULL) {
- temp = OUT_NEXT(cur);
- delete cur;
- cur = temp;
- }
-
- }
- void Diff_Routing_Entry::clear_inlist(In_List *list)
- {
- In_List *cur=list;
- In_List *temp = NULL;
- while (cur != NULL) {
- temp = IN_NEXT(cur);
- delete cur;
- cur = temp;
- }
- }
- void Diff_Routing_Entry::clear_agentlist(Agent_List *list)
- {
- Agent_List *cur=list;
- Agent_List *temp = NULL;
- while (cur != NULL) {
- temp = AGENT_NEXT(cur);
- delete cur;
- cur = temp;
- }
- }
- int Diff_Routing_Entry::MostRecvOrg()
- {
- In_List *cur;
- int most = 0;
- for (cur=iif; cur!=NULL; cur = IN_NEXT(cur)) {
- most = max(most,NEW_ORG_RECV(cur));
- }
- return most;
- }
- bool Diff_Routing_Entry::ExistOriginalGradient()
- {
- Out_List *cur_out;
- for (cur_out = active; cur_out!=NULL; cur_out=OUT_NEXT(cur_out)) {
- if (GRADIENT(cur_out) == ORIGINAL)
- return true;
- }
- return false;
- }
- void Diff_Routing_Entry::IncRecvCnt(ns_addr_t agent_addr)
- {
- PrvCurPtr RetVal;
- counter++;
- RetVal=INTF_FIND(iif, agent_addr);
- if (RetVal.cur != NULL) {
- TOTAL_RECV(RetVal.cur)++;
- return;
- }
- RetVal=INTF_FIND(source, agent_addr);
- if (RetVal.cur != NULL)
- return;
- // On-demand adding In_List
- TOTAL_RECV(AddInList(agent_addr))++;
- }
- void Diff_Routing_Entry::CntPosSend(ns_addr_t agent_addr)
- {
- PrvCurPtr RetVal;
- RetVal=INTF_FIND(iif, agent_addr);
- if (RetVal.cur != NULL) {
- NUM_POS_SEND(RetVal.cur)++;
- return;
- }
- // On-demand adding In_List
- In_List *cur_in = AddInList(agent_addr);
- NUM_POS_SEND(cur_in)++;
- }
- void Diff_Routing_Entry::CntNeg(ns_addr_t agent_addr)
- {
- PrvCurPtr RetVal;
- RetVal=INTF_FIND(active, agent_addr);
- if (RetVal.cur != NULL) {
- NUM_NEG_RECV(RetVal.cur)++;
- return;
- }
- /*
- perror("Hey man. How come you send me the negative reinforment?n");
- exit(-1);
- */
- }
- void Diff_Routing_Entry::CntNewSub(ns_addr_t agent_addr)
- {
- PrvCurPtr RetVal;
- RetVal=INTF_FIND(iif, agent_addr);
- if (RetVal.cur != NULL) {
- NEW_SUB_RECV(RetVal.cur)++;
- TOTAL_NEW_SUB_RECV(RetVal.cur)++;
- LAST_TS_NEW_SUB(RetVal.cur) = NOW;
- return;
- }
- RetVal=INTF_FIND(source, agent_addr);
- if (RetVal.cur != NULL)
- return;
- // On-demand adding In_List
- In_List *cur_in = AddInList(agent_addr);
- NEW_SUB_RECV(cur_in)++;
- TOTAL_NEW_SUB_RECV(cur_in)++;
- LAST_TS_NEW_SUB(cur_in) = NOW;
- }
- void Diff_Routing_Entry::ClrNewSub(ns_addr_t agent_addr)
- {
- PrvCurPtr RetVal;
- RetVal=INTF_FIND(iif, agent_addr);
- if (RetVal.cur != NULL) {
- NEW_SUB_RECV(RetVal.cur)= 0;
- LAST_TS_NEW_SUB(RetVal.cur) = -1.0;
- return;
- }
- }
- void Diff_Routing_Entry::CntNewOrg(ns_addr_t agent_addr)
- {
- PrvCurPtr RetVal;
- RetVal=INTF_FIND(iif, agent_addr);
- if (RetVal.cur != NULL) {
- NEW_ORG_RECV(RetVal.cur)++;
- TOTAL_NEW_ORG_RECV(RetVal.cur)++;
- return;
- }
- RetVal=INTF_FIND(source, agent_addr);
- if (RetVal.cur != NULL)
- return;
- // On-demand adding In_List
- In_List *cur_in = AddInList(agent_addr);
- NEW_ORG_RECV(cur_in)++;
- TOTAL_NEW_ORG_RECV(cur_in)++;
- }
- void Diff_Routing_Entry::CntOldOrg(ns_addr_t agent_addr)
- {
- PrvCurPtr RetVal;
- RetVal=INTF_FIND(iif, agent_addr);
- if (RetVal.cur != NULL) {
- OLD_ORG_RECV(RetVal.cur)++;
- TOTAL_OLD_ORG_RECV(RetVal.cur)++;
- return;
- }
- RetVal=INTF_FIND(source, agent_addr);
- if (RetVal.cur != NULL)
- return;
- // On-demand adding In_List
- In_List *cur_in = AddInList(agent_addr);
- OLD_ORG_RECV(cur_in)++;
- TOTAL_OLD_ORG_RECV(cur_in)++;
- }
- void Diff_Routing_Entry::ClrAllNewOrg()
- {
- In_List *cur;
- for (cur = iif; cur!= NULL; cur = IN_NEXT(cur)) {
- NEW_ORG_RECV(cur)= 0;
- }
- }
- void Diff_Routing_Entry::ClrAllOldOrg()
- {
- In_List *cur;
- for (cur=iif; cur!=NULL; cur = IN_NEXT(cur) ) {
- OLD_ORG_RECV(cur)= 0;
- }
- }
- In_List *Diff_Routing_Entry::MostRecentIn()
- {
- In_List *cur, *ret;
- double recent_time;
- ret = NULL;
- recent_time = -1.0;
- for (cur = iif; cur!=NULL; cur=IN_NEXT(cur)) {
- if (LAST_TS_NEW_SUB(cur) > recent_time) {
- ret = cur;
- recent_time = LAST_TS_NEW_SUB(cur);
- }
- }
- return ret;
- }
- In_List * Diff_Routing_Entry::AddInList(ns_addr_t addr)
- {
- In_List *inPtr= new In_List;
- AGT_ADDR(inPtr) = addr;
- INTF_INSERT(iif, inPtr);
- num_iif++;
- return inPtr;
- }
- Diff_Routing_Entry:: Diff_Routing_Entry()
- {
- last_fwd_time = -2.0*INTEREST_PERIODIC;
- counter = 0;
- new_org_counter = 0;
- num_active = 0;
- num_iif = 0;
- active = NULL;
- inactive = NULL;
- iif = NULL;
- down_iif = NULL;
- source = NULL;
- sink = NULL;
- }