{"id":2011,"date":"2007-09-02T23:34:14","date_gmt":"2007-09-02T14:34:14","guid":{"rendered":"http:\/\/pchero21.com\/?p=2011"},"modified":"2007-09-02T23:34:14","modified_gmt":"2007-09-02T14:34:14","slug":"implementing-a-new-manet-unicast-routing-protocol-in-ns2-version-0-2-%eb%b2%88%ec%97%ad%ed%8c%90-3","status":"publish","type":"post","link":"http:\/\/pchero21.com\/?p=2011","title":{"rendered":"Implementing a New Manet Unicast Routing Protocol in NS2 Version 0.2 \ubc88\uc5ed\ud310-3"},"content":{"rendered":"

5 \ub77c\uc6b0\ud305 \ud45c<\/strong><\/p>\n

\ub108\ub294 \ub77c\uc6b0\ud305 \ud45c\ub97c \ud544\uc694\ub85c \ud558\uc9c0 \uc54a\uc744\uc9c0\ub77c\ub3c4, \ub9cc\uc57d \ub108\uc758 \ud504\ub85c\ud1a0\ucf5c\uc774 \uadf8\uac83\uc744 \uc0ac\uc6a9\ud55c\ub2e4\uba74 \uadf8\ub54c \uc774 \uc808\uc744 \uc77d\uc5b4\ub77c. \uc6b0\ub9ac\ub294 \ub2e4\ub978 \ud074\ub798\uc2a4\ub85c\uc368 \ub610\ub294 \uc784\uc758\uc758 \ub2e4\ub978 \ub370\uc774\ud130 \uad6c\uc870 (\uc608\ub97c \ub4e4\uc5b4, \ud574\uc26c \ud45c)\ub85c\uc368 \ub77c\uc6b0\ud305 \ud45c\ub97c \uad6c\ud604\ud560 \uc218 \uc788\ub2e4. \uc6b0\ub9ac\ub294 \ub77c\uc6b0\ud305 \ud45c\uac00 \uac00\uc9c0\uae30\ub85c \ub418\uc5b4 \uc788\ub294 \uadf8 \uae30\ub2a5\uc131\uc744 \ucea1\uc290\ud654\ud558\ub294 \ud074\ub798\uc2a4\ub97c \ubcf4\uc77c \uc608\uc815\uc774\ub2e4. \ub0b4\ubd80\uc758 \uc815\ubcf4\ub294 \ud504\ub85c\ud1a0\ucf5c\uc5d0\uc11c \ud504\ub85c\ud1a0\ucf5c\uae4c\uc9c0 \ub9ce\uc774 \ubcc0\ud560 \uac83\uc774\ub2e4. \ub77c\uc6b0\ud305 \ud45c\uc5d0\uc11c \uac01\uac01\uc758 \uc785\ub825\uc744 \uc704\ud574\uc11c \ubaa9\uc801\uc9c0 \uc8fc\uc18c\ub4e4, \ub2e4\uc74c \ud649 \uc8fc\uc18c\ub4e4, \ub8e8\ud2b8\ub4e4\uacfc \uacb0\ud569\ub41c \uac70\ub9ac\ub4e4 \ub610\ub294 \ube44\uc6a9, \uc2dc\ud000\uc2a4 \ub118\ubc84\ub4e4, \uc218\uba85\ub4e4 \uae30\ud0c0 \ub4f1\ub4f1\uc744 \uc800\uc7a5\ud558\uae30\ub97c \uc6d0\ud560 \uac83\uc774\ub2e4. \ubb3c\ub860 \uc6b0\ub9ac\uc758 \uc608\uc81c\ub294 \ub9e4\uc6b0 \ub2e8\uc21c\ud55c \ub77c\uc6b0\ud305 \ud45c\uc640 \uadf8\uac83\uc744 \ud504\ub9b0\ud2b8\ud558\uae30 \uc704\ud55c \ubc29\ubc95\uc744 \ubb18\uc0ac\ud55c\ub2e4. \uc6b0\ub9ac\uac00 \uac01\uac01\uc758 \uc785\ub825\uc5d0 \uc800\uc7a5\ud560 \uc720\uc77c\ud55c \uc815\ubcf4\ub294 \ubaa9\uc801\uc9c0\uc640 \ub2e4\uc74c \ud649 \uc8fc\uc18c\ub4e4\uc774\ub2e4. \uc6b0\ub9ac\ub294 \uc800\uc7a5 \uad6c\uc870\ub85c\uc368 \ud574\uc2dc \ud45c (map)\uc744 \uc0ac\uc6a9\ud55c\ub2e4. \uc774\ub7f0 \uacbd\uc6b0\ub294 \ub108\ubb34 \ub2e8\uc21c\ud574\uc11c \uc0c8\ub85c\uc6b4 \ud074\ub798\uc2a4\ub97c \uad6c\ud604\ud560 \uc218 \uc5c6\uc9c0\ub9cc, \uc6b0\ub9ac\ub294 \uc608\uc81c\ub85c\uc368 \uadf8\uac83\uc744 \uc2e4\ud589\ud560 \uac83\uc774\ub2e4. \ucf54\ub4dc\uc758 \ub2e4\uc74c \uc870\uac01\uc740 protoname\/protoname_rtable.h<\/em>\uc5d0 \uc77c\uce58\ud55c\ub2e4.<\/p>\n

protoname\/protoname_rtable.h<\/p>\n

1: #ifndef __protoname_rtable_h__<\/p>\n

2: #define __protoname_rtable_h__<\/p>\n

3:<\/p>\n

4: #include <trace.h><\/p>\n

5: #include <map><\/p>\n

6:<\/p>\n

7: typedef std::map<nsaddr_t, nsaddr_t> rtable_t;<\/p>\n

8:<\/p>\n

9: class protoname_rtable {<\/p>\n

10:<\/p>\n

11: rtable_t rt_;<\/p>\n

12:<\/p>\n

13: public:<\/p>\n

14:<\/p>\n

15: protoname_rtable();<\/p>\n

16: void print(Trace*);<\/p>\n

17: void clear();<\/p>\n

18: void rm_entry(nsaddr_t);<\/p>\n

19: void add_entry(nsaddr_t, nsaddr_t);<\/p>\n

20: nsaddr_t lookup(nsaddr_t);<\/p>\n

21: u_int32_t size();<\/p>\n

22: };<\/p>\n

23:<\/p>\n

24: #endif<\/p>\n

\uc774\ub7f0 \ud568\uc218\ub4e4\uc758 \uad6c\ud604\uc740 \ub9e4\uc6b0 \uc27d\ub2e4. \uc0ac\uc2e4 \uadf8 \uac74\uc124\uc790\ub294 \ub9e4\uc6b0 \ub2e8\uc21c\ud574\uc11c \uadf8\uac83 \uc548\uc5d0 \uc2e4\ud589\ud560 \uac83\uc774 \uc544\ubb34\uac83\ub3c4 \uc5c6\ub2e4.<\/p>\n

protoname\/protoname_rtable.cc<\/p>\n

1: protoname_rtable::protoname_rtable() { }<\/p>\n

\uadf8 print()<\/em> \ud568\uc218\ub294 \ub178\ub4dc\uc758 \ub77c\uc6b0\ud305 \ud45c\uc758 \ub0b4\uc6a9\ub4e4\uc744 \ud2b8\ub808\uc774\uc2a4 \ud30c\uc77c\ub85c \ub364\ud504\ud560 \uac83\uc774\ub2e4. \uadf8\uac83\uc744 \uc2e4\ud589\ud558\uae30 \uc704\ud574\uc11c \uc6b0\ub9ac\ub294 \uc808 4.3\uc5d0\uc11c \uc5b8\uae09\ud588\ub358 \ud2b8\ub808\uc774\uc2a4<\/strong> \ud074\ub798\uc2a4\ub97c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n

protoname\/protoname_rtable.cc<\/p>\n

1: void<\/p>\n

2: protoname_rtable::print(Trace* out) {<\/p>\n

3: sprintf(out->pt_->buffer(), “Ptdesttnext”);<\/p>\n

4: out->pt_->dump();<\/p>\n

5: for (rtable_t::iterator it = rt_.begin(); it != rt_.end(); it++) {<\/p>\n

6: sprintf(out->pt_->buffer(), “Pt%dt%d”,<\/p>\n

7: (*it).first,<\/p>\n

8: (*it).second);<\/p>\n

9: out->pt_->dump();<\/p>\n

10: }<\/p>\n

11: }<\/p>\n

\ub2e4\uc74c\uc758 \ud568\uc218\ub294 \ub77c\uc6b0\ud305 \ud45c \uc548\uc5d0 \ubaa8\ub4e0 \uc785\ub825\ub4e4\uc744 \uc81c\uac70\ud55c\ub2e4.<\/p>\n

protoname\/protoname_rtable.cc<\/p>\n

1: void<\/p>\n

2: protoname_rtable::clear() {<\/p>\n

3: rt_.clear();<\/p>\n

4: }<\/p>\n

\uadf8\uac83\uc758 \ubaa9\uc801\uc9c0 \uc8fc\uc18c\uac00 \uc8fc\uc5b4\uc9c4 \uc785\ub825\uc744 \uc81c\uac70\ud558\uae30 \uc704\ud574\uc11c \uc6b0\ub9ac\ub294 rm_entry()<\/em> \ud568\uc218\ub97c \uad6c\ud604\ud55c\ub2e4.<\/p>\n

protoname\/protoname_rtable.cc<\/p>\n

1: void<\/p>\n

2: protoname_rtable::rm_entry(nsaddr_t dest) {<\/p>\n

3: rt_.erase(dest);<\/p>\n

4: }<\/p>\n

\uc544\ub798\uc758 \ucf54\ub4dc\ub294 \uadf8\uac83\uc758 \ubaa9\uc801\uc9c0\uc640 \ub2e4\uc74c \ud649 \uc8fc\uc18c\ub4e4\uc774 \uc8fc\uc5b4\uc9c4 \ub77c\uc6b0\ud305 \ud45c \uc548\uc5d0 \uc0c8\ub85c\uc6b4 \uc785\ub825\uc744 \ub354\ud558\uae30 \uc704\ud574\uc11c \uc0ac\uc6a9\ub41c\ub2e4.<\/p>\n

protoname\/protoname_rtable.cc<\/p>\n

1: void<\/p>\n

2: protoname_rtable::add_entry(nsaddr_t dest, nsaddr_t next) {<\/p>\n

3: rt_[dest] = next;<\/p>\n

4: }<\/p>\n

Lookup()<\/em>\uc740 \uadf8\uac83\uc758 \ubaa9\uc801\uc9c0 \uc8fc\uc18c\uac00 \uc8fc\uc5b4\uc9c4 \uc785\ub825\uc758 \ub2e4\uc74c \ud649 \uc8fc\uc18c\ub97c \ub418\ub3cc\ub824\uc900\ub2e4. \ub9cc\uc57d \uadf8\ub7f0 \uc785\ub825\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294\ub2e4\uba74, (\uc989, \uadf8 \ubaa9\uc801\uc9c0\ub97c \uc704\ud55c \ub8e8\ud2b8\uac00 \uc5c6\ub2e4\uba74) \uadf8 \ud568\uc218\ub294 IP_BROADCAST<\/em>\ub97c \ub418\ub3cc\ub824\uc900\ub2e4. \ubb3c\ub860 \uc774 \uc0c1\uc218\ub97c \uc0ac\uc6a9\ud558\uae30 \uc704\ud574\uc11c common\/ip.h<\/em>\ub97c \ud3ec\ud568\ud55c\ub2e4.<\/p>\n

protoname\/protoname_rtable.cc<\/p>\n

1: nsaddr_t<\/p>\n

2: protoname_rtable::lookup(nsaddr_t dest) {<\/p>\n

3: rtable_t::iterator it = rt_.find(dest);<\/p>\n

4: if (it == rt_.end())<\/p>\n

5: return IP_BROADCAST;<\/p>\n

6: else<\/p>\n

7: return (*it).second;<\/p>\n

8: }<\/p>\n

\ub9c8\uc9c0\ub9c9\uc73c\ub85c, size()<\/em>\ub294 \ub77c\uc6b0\ud305 \ud45c \uc548\uc5d0 \uc785\ub825\ub4e4\uc758 \uc218\ub97c \ub418\ub3cc\ub824\uc900\ub2e4.<\/p>\n

protoname\/protoname_rtable.cc<\/p>\n

1: u_int32_t<\/p>\n

2: protoname_rtable::size() {<\/p>\n

3: return rt_.size();<\/p>\n

4: }<\/p>\n

6 \uc694\uad6c\ub418\ub294 \ubcc0\ud654\ub4e4<\/strong><\/p>\n

\uc6b0\ub9ac\ub294 \uac70\uc758 \ub05d\ub0c8\ub2e4. \uc6b0\ub9ac\ub294 NS2 \uc548\ucabd\uc5d0 \ud504\ub85c\ud1a0\ucf5c protoname\uc744 \uc704\ud55c \ub77c\uc6b0\ud305 \uc5d0\uc774\uc804\ud2b8\ub97c \uad6c\ud604\ud574\uc654\ub2e4. \uadf8\ub7ec\ub098 \uc6b0\ub9ac\uc758 \ucf54\ub4dc\ub97c \uc2dc\ubbac\ub808\uc774\ud130 \uc548\ucabd\uc5d0 \ud1b5\ud569\ud558\uae30 \uc704\ud574\uc11c \uc6b0\ub9ac\uac00 \uc2e4\ud589\ud560 \ud544\uc694\uac00 \uc788\ub294 \uba87 \uac00\uc9c0 \ubcc0\ud654\ub4e4\uc774 \uc788\ub2e4.<\/p>\n

6.1 \ud328\ud0b7 \uc720\ud615 \uc120\uc5b8<\/strong><\/p>\n

\ub9cc\uc57d \uc6b0\ub9ac\uac00 \uae30\uc5b5\ud55c\ub2e4\uba74 \uc6b0\ub9ac\ub294 \uc6b0\ub9ac\uc758 \uc0c8\ub85c\uc6b4 \ud328\ud0b7 \uc720\ud615, PT_PROTONAME\uc744 \uac00\ub9ac\ud0a4\uae30 \uc704\ud55c \uc0c1\uc218\ub97c \uc0ac\uc6a9\ud574\uc57c \ud588\uc5c8\ub2e4. \uc6b0\ub9ac\ub294 \ud30c\uc77c common\/packet.h<\/em> \uc548\ucabd\uc5d0 \uadf8\uac83\uc744 \uc815\uc758\ud560 \uac83\uc774\ub2e4.<\/p>\n

\ubaa8\ub4e0 \ud328\ud0b7 \uc720\ud615\ub4e4\uc774 \ub9ac\uc2a4\ud2b8\ub41c, packet_h<\/em> \ubaa9\ub85d\uc744 \ucc3e\uc544\ubcf4\uc790. \uc6b0\ub9ac\ub294 \ucf54\ub4dc\uc758 \ub2e4\uc74c \uc870\uac01\uc5d0\uc11c \ubcf4\uc774\ub294 \uac83\ucc98\ub7fc PT_PROTONAME\uc744 \uc774\ub7f0 \ubaa9\ub85d\uc5d0 \ub354\ud560 \uac83\uc774\ub2e4. (\uc904 6)<\/p>\n

common\/packet.h<\/p>\n

1: enum packet_t {<\/p>\n

2: PT_TCP,<\/p>\n

3: PT_UDP,<\/p>\n

4: PT_CBR,<\/p>\n

5: \/* … much more packet types … *\/<\/p>\n

6: PT_PROTONAME,<\/p>\n

7: PT_NTYPE \/\/ This MUST be the LAST one<\/p>\n

8: };<\/p>\n

\ubc14\ub85c \uc544\ub798\uc5d0 \uac19\uc740 \ud30c\uc77c\uc5d0 p_info<\/strong> \ud074\ub798\uc2a4\uc758 \uc815\uc758\uac00 \uc788\ub2e4. \uac74\uc124\uc790 \uc548\ucabd\uc5d0 \uc6b0\ub9ac\ub294 \uc6b0\ub9ac\uc758 \ud328\ud0b7 \uc720\ud615\uc744 \uc704\ud55c \ubcf8\ubb38\uc758 \uc774\ub984\uc744 \uc81c\uacf5\ud560 \uac83\uc774\ub2e4. (\uc904 6)<\/p>\n

common\/packet.h<\/p>\n

1: p_info() {<\/p>\n

2: name_[PT_TCP]= “tcp”;<\/p>\n

3: name_[PT_UDP]= “udp”;<\/p>\n

4: name_[PT_CBR]= “cbr”;<\/p>\n

5: \/* … much more names … *\/<\/p>\n

6: name_[PT_PROTONAME]= “protoname”;<\/p>\n

7: }<\/p>\n

6.2 \ud2b8\ub808\uc774\uc2f1 \uc9c0\uc6d0<\/strong><\/p>\n

\uc6b0\ub9ac\uac00 \uc54c\ub2e4\uc2dc\ud53c \uc2dc\ubbac\ub808\uc774\uc158\uc758 \ubaa9\uc801\uc740 \uc2e4\ud589 \ub3d9\uc548\uc5d0 \ubb34\uc5c7\uc774 \uc77c\uc5b4\ub0ac\ub294\uc9c0 \uae30\uc220\ud558\ub294 \ud2b8\ub808\uc774\uc2a4 \ud30c\uc77c\uc744 \uc5bb\ub294 \uac83\uc774\ub2e4. \ud2b8\ub808\uc774\uc2a4\ub4e4\uc5d0 \uce5c\ubc00\ud568\uc744 \ub290\ub07c\uae30 \uc704\ud574\uc11c 23\uc7a5 [2]\ub97c \uc77d\uc5b4\ubd10\ub77c. \ud2b8\ub808\uc774\uc2a4<\/strong> \uc624\ube0c\uc81d\ud2b8\ub294 \ud328\ud0b7\uc774 \ubc1b\uc544\ub4e4\uc5ec\uc9c0\uac70\ub098, \ubcf4\ub0b4\uc9c0\uac70\ub098, \ub610\ub294 \ubc84\ub824\uc9c8 \ub54c\ub9c8\ub2e4 \ub9e4\ubc88 \ud328\ud0b7\uc758 \uc694\uad6c\ub418\ub294 \uc815\ubcf4\ub97c \uc4f0\uae30 \uc704\ud574\uc11c \uc0ac\uc6a9\ub41c\ub2e4. \uc6b0\ub9ac\uc758 \ud328\ud0b7 \uc720\ud615\uc5d0 \uad00\ud55c \uc815\ubcf4\ub97c \uae30\ub85d\ud558\uae30 \uc704\ud574\uc11c \uc6b0\ub9ac\ub294 CMUTrace<\/strong> \ud074\ub798\uc2a4 \uc548\ucabd\uc5d0 format_protoname()<\/em> \ud568\uc218\ub97c \uad6c\ud604\ud55c\ub2e4. \ubb34\uc120 \uc2dc\ubbac\ub808\uc774\uc158\ub4e4\uc744 \uc704\ud55c \ud2b8\ub808\uc774\uc2a4 \uc9c0\uc6d0\uc740 CMUTrace<\/strong> \uc624\ube0c\uc81d\ud2b8\ub4e4\uc5d0 \uc758\ud574\uc11c \uc81c\uacf5\ub418\uace0 \uadf8\uac83\uc740 16\uc7a5 [2]\uc5d0\uc11c \uae30\uc220\ub41c\ub2e4.<\/p>\n

trace\/cmu-trace.h<\/em> \ud30c\uc77c\uc744 \ud3b8\uc9d1\ud574\ubcf4\uc790. \uc6b0\ub9ac\ub294 \ub2e4\uc74c\uc758 \uc608\uc81c\uc758 \uc904 \uc218 6 \uc548\uc5d0\uc11c\ucc98\ub7fc \uc6b0\ub9ac\uc758 \uc0c8\ub85c\uc6b4 \ud568\uc218\ub97c \ub354\ud574\uc57c \ud55c\ub2e4.<\/p>\n

trace\/cmu-trace.h<\/p>\n

1: class CMUTrace : public Trace {<\/p>\n

2: \/* … definitions … *\/<\/p>\n

3: private:<\/p>\n

4: \/* … *\/<\/p>\n

5: void format_aodv(Packet *p, int offset);<\/p>\n

6: void format_protoname(Packet *p, int offset);<\/p>\n

7: };<\/p>\n

(trace\/cmu-trace.cc<\/em>\ub85c\ubd80\ud130 \ucd94\ucd9c\ub41c) \ucf54\ub4dc\uc758 \ub2e4\uc74c \uc870\uac01\uc740 \ud2b8\ub808\uc774\uc2a4\ub4e4\uc758 \ub2e4\ub978 \uc720\ud615\ub4e4\uc744 \ubcf4\uc5ec\uc900\ub2e4.<\/p>\n

trace\/cmu-trace.cc<\/p>\n

1: #include <protoname\/protoname_pkt.h><\/p>\n

2:<\/p>\n

3: \/* … *\/<\/p>\n

4:<\/p>\n

5: void<\/p>\n

6: CMUTrace::format_protoname(Packet *p, int offset)<\/p>\n

7: {<\/p>\n

8: struct hdr_protoname_pkt* ph = HDR_PROTONAME_PKT(p);<\/p>\n

9:<\/p>\n

10: if (pt_->tagged()) {<\/p>\n

11: sprintf(pt_->buffer() + offset,<\/p>\n

12: “-protoname:o %d -protoname:s %d -protoname:l %d “,<\/p>\n

13: ph->pkt_src(),<\/p>\n

14: ph->pkt_seq_num(),<\/p>\n

15: ph->pkt_len());<\/p>\n

16: }<\/p>\n

17: else if (newtrace_) {<\/p>\n

18: sprintf(pt_->buffer() + offset,<\/p>\n

19: “-P protoname -Po %d -Ps %d -Pl %d “,<\/p>\n

20: ph->pkt_src(),<\/p>\n

21: ph->pkt_seq_num(),<\/p>\n

22: ph->pkt_len());<\/p>\n

23: }<\/p>\n

24: else {<\/p>\n

25: sprintf(pt_->buffer() + offset,<\/p>\n

26: “[protoname %d %d %d] “,<\/p>\n

27: ph->pkt_src(),<\/p>\n

28: ph->pkt_seq_num(),<\/p>\n

29: ph->pkt_len());<\/p>\n

30: }<\/p>\n

31: }<\/p>\n

\uc6b0\ub9ac\ub294 \uc704\uc758 \ucf54\ub4dc\ub85c\ubd80\ud130 3\uac00\uc9c0 \ub2e4\ub978 \ud2b8\ub808\uc774\uc2a4 \ud3ec\ub9f7\ub4e4\uc774 \uc788\ub2e4\ub294 \uac83\uc744 \ucd94\ub860\ud560 \uc218 \uc788\ub2e4: \ud0dc\uadf8\uac00 \ubd99\uc740 \ud2b8\ub808\uc774\uc2a4\ub4e4, \uc0c8\ub85c\uc6b4 \ud3ec\ub9f7 \ud2b8\ub808\uc774\uc2a4\ub4e4 \uadf8\ub9ac\uace0 \uace0\uc804\uc801\uc778 \ud2b8\ub808\uc774\uc2a4\ub4e4. \ubb38\ubc95\uc5d0 \uc774\uc5b4\uc11c \uac01\uac01\uc740, \ube44\ub85d \ub2e4\ub974\uc9c0\ub9cc, \ub124\uac00 \ub9d0\ud560 \uc218 \uc788\ub294 \uac83\ucc98\ub7fc \ub9e4\uc6b0 \uc27d\uace0 \uc9c1\uad00\uc801\uc774\ub2e4. \ud0dc\uadf8\uac00 \ubd99\uc740 \uac83\uacfc \uc0c8\ub85c\uc6b4 \ud2b8\ub808\uc774\uc2a4 \ud3ec\ub9f7\ub4e4 \uc591\ucabd\uc5d0\ub294 \ud504\ub9b0\ud2b8\ub418\ub294 \uc911\uc778 \uc815\ubcf4\uc758 \uac01\uac01\uc758 \ud544\ub4dc\ub97c \uc2dd\ubcc4\ud558\uae30 \uc704\ud574\uc11c \uc0ac\uc6a9\ub418\ub294 \ud45c\uc9c0\ub4e4\uc774 \uc874\uc7ac\ud55c\ub2e4. \uc6b0\ub9ac\ub294 \uc18c\uc2a4 \uc8fc\uc18c\ub85c\uc368 \u201co\u201d (\uae30\uc6d0), \uc2dc\ud000\uc2a4 \ub118\ubc84\ub85c\uc368 \u201cs\u201d, \uc77c\uce58\ud558\ub294 \ud328\ud0b7\uc758 \uae38\uc774\ub85c\uc368 \u201cl\u201d\uc744 \uc0ac\uc6a9\ud558\uae30\ub85c \uacb0\uc815\ud574\uc654\ub2e4.<\/p>\n

\uc774\uac83\uc744 \ucd5c\uadfc\uc5d0 \uc0dd\uc131\ub41c \ud568\uc218\ub85c \ud638\ucd9c\ud558\uae30 \uc704\ud574\uc11c \uc6b0\ub9ac\ub294 trace\/cmu-trace.cc<\/em> \uc548\uc5d0 format()<\/em>\uc744 \ubc14\uafd4\uc57c \ud55c\ub2e4.<\/p>\n

trace\/cmu-trace.cc<\/p>\n

1: void<\/p>\n

2: CMUTrace::format(Packet* p, const char *why)<\/p>\n

3: {<\/p>\n

4: \/* … *\/<\/p>\n

5: case PT_PING:<\/p>\n

6: break;<\/p>\n

7:<\/p>\n

8: case PT_PROTONAME:<\/p>\n

9: format_protoname(p, offset);<\/p>\n

10: break;<\/p>\n

11:<\/p>\n

12: default:<\/p>\n

13: \/* … *\/<\/p>\n

14: }<\/p>\n

6.3 Tcl \ub77c\uc774\ube0c\ub7ec\ub9ac<\/strong><\/p>\n

\uc774\uc81c \uc6b0\ub9ac\ub294 Tcl \ud30c\uc77c\ub4e4\uc5d0\uc11c \uba87 \uac1c\uc758 \ubcc0\ud654\ub4e4\uc744 \uc2e4\ud589\ud560 \ud544\uc694\uac00 \uc788\ub2e4. \uc2e4\uc81c\ub85c \uc6b0\ub9ac\ub294 \uc6b0\ub9ac\uc758 \ud328\ud0b7 \uc720\ud615\uc744 \ub354\ud558\uace0, \ubb36\uc5ec\uc9c4 \uc18d\uc131\ub4e4\uc744 \uc704\ud55c \ucd08\uae30 \uac12\ub4e4\uc744 \uc8fc\uace0 \uc6b0\ub9ac\uc758 protoname<\/em> \ub77c\uc6b0\ud305 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc2e4\ud589\ud558\ub294 \ubb34\uc120 \ub178\ub4dc\ub4e4\uc744 \uc0dd\uc131\ud558\uae30 \uc704\ud55c \uc694\uad6c\ub418\ub294 \uc778\ud504\ub77c\uc2a4\ud2b8\ub7ed\ucc98\ub97c \uc81c\uacf5\ud560 \uc608\uc815\uc774\ub2e4.<\/p>\n

tcl\/lib\/ns-packet.tcl<\/em>\uc5d0\uc11c \uc6b0\ub9ac\ub294 \ub2e4\uc74c\uc758 \ucf54\ub4dc\uc758 \uc704\uce58\ub97c \uc815\ud574\uc57c \ud558\uace0 protoname<\/em>\uc744 \ubaa9\ub85d\uc5d0 \ub354\ud574\uc57c \ud55c\ub2e4. (\uc6b0\ub9ac\uac00 \uc904 2\uc5d0\uc11c \uc2e4\ud589\ud55c \uac83\ucc98\ub7fc)<\/p>\n

tcl\/lib\/ns-packet.tcl<\/p>\n

1: foreach prot {<\/p>\n

2: Protoname<\/p>\n

3: AODV<\/p>\n

4: ARP<\/p>\n

5: # …<\/p>\n

6: NV<\/p>\n

7: } {<\/p>\n

8: add-packet-header $prot<\/p>\n

9: }<\/p>\n

\ubb36\uc5ec\uc9c4 \uc18d\uc131\ub4e4\uc744 \uc704\ud55c \ucd08\uae30 \uac12\ub4e4\uc740 tcl\/lib\/ns-packet.tcl<\/em> \uc548\ucabd\uc5d0 \uc8fc\uc5b4\uc838\uc57c \ud55c\ub2e4. \uc6b0\ub9ac\ub294 \ud30c\uc77c\uc758 \ub05d\uc73c\ub85c \uac00\uc57c\ud558\uace0 \ub2e4\uc74c\uc758 \ucf54\ub4dc\uc640 \uac19\uc774 \ubb34\uc5b8\uac00\ub97c \uc368\uc57c \ud55c\ub2e4:<\/p>\n

tcl\/lib\/ns-default.tcl<\/p>\n

1: # …<\/p>\n

2: # Defaults defined for Protoname<\/p>\n

3: Agent\/Protoname set accessible_var_ true<\/p>\n

\ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc6b0\ub9ac\ub294 tcl\/lib\/ns-lib.tcl<\/em>\uc744 \ubcc0\uacbd\ud574\uc57c \ud55c\ub2e4. \uc6b0\ub9ac\ub294 \ub178\ub4dc\ub97c \uc0dd\uc131\ud558\uae30 \uc704\ud55c \ud504\ub85c\uc2dc\uc800\ub4e4\uc744 \ub354\ud560 \ud544\uc694\uac00 \uc788\ub2e4. \uc6b0\ub9ac\uc758 \ud765\ubbf8\ub294 \ub77c\uc6b0\ud305 \ud504\ub85c\ud1a0\ucf5c\ub85c\uc368 protoname<\/em>\uc744 \uac00\uc9c4 \ubb34\uc120 \ub178\ub4dc\ub97c \uc0dd\uc131\ud558\ub294 \uac83\uc744 \uc911\uc2ec\uc73c\ub85c \ud589\ud574\uc9c8 \uac83\uc774\ub2e4.<\/p>\n

\ud504\ub85c\uc2dc\uc800 \ub178\ub4dc<\/em>\ub294 create-wireless-node<\/em> \ud504\ub85c\uc2dc\uc800\uc5d0\uac8c\ub85c \ud638\ucd9c\ud55c\ub2e4. \ub2e4\ub978 \uc5c5\ubb34\ub4e4 \uc911\uc5d0\uc11c, \uc774 \ub9c8\uc9c0\ub9c9 \uac83\uc740, \ud558\ub098\uc758 \ub178\ub4dc\ub97c \uc704\ud55c \uadf8 \ub77c\uc6b0\ud305 \uc5d0\uc774\uc804\ud2b8\ub97c \uc124\uc815\ud558\ub824\ub294 \uc758\ub3c4\uc774\ub2e4. \uc6b0\ub9ac\ub294 \uc6b0\ub9ac\uc758 protoname<\/em> \ud504\ub85c\ud1a0\ucf5c\uc758 \uc778\uc2a4\ud134\uc2a4\ub97c \uc0dd\uc131\ud558\uae30 \uc704\ud574\uc11c \uc774\ub7f0 \ud504\ub85c\uc2dc\uc800\ub97c \uad50\ubb18\ud788 \ubc14\uafc0 \ud544\uc694\uac00 \uc788\ub2e4.<\/p>\n

tcl\/lib\/ns-lib.tcl<\/p>\n

1: Simulator instproc create-wireless-node args {<\/p>\n

2: # …<\/p>\n

3: switch -exact $routingAgent_ {<\/p>\n

4: Protoname {<\/p>\n

5: set ragent [$self create-protoname-agent $node]<\/p>\n

6: }<\/p>\n

7: # …<\/p>\n

8: }<\/p>\n

9: # …<\/p>\n

10: }<\/p>\n

\uadf8\ub9ac\uace0 \ub098\uc11c create-protoname-agent<\/em>\ub294 \ub2e4\uc74c\uc758 \uc608\uc81c\uc5d0\uc11c \ubcf4\uc5ec\uc9c0\ub294 \uac83\ucc98\ub7fc \uc544\ub798\uc5d0 \ucf54\ub4dc\ub420 \uac83\uc774\ub2e4.<\/p>\n

tcl\/lib\/ns-lib.tcl<\/p>\n

1: Simulator instproc create-protoname-agent { node } {<\/p>\n

2: # Create Protoname routing agent<\/p>\n

3: set ragent [new Agent\/Protoname [$node node-addr]]<\/p>\n

4: $self at 0.0 “$ragent start”<\/p>\n

5: $node set ragent_ $ragent<\/p>\n

6: return $ragent<\/p>\n

7: }<\/p>\n

\uc904 3\uc740 \ub178\ub4dc\uc758 \uc8fc\uc18c\ub97c \uac00\uc9c4 \uc0c8\ub85c\uc6b4 protoname<\/em> \uc5d0\uc774\uc804\ud2b8\ub97c \uc0dd\uc131\ud55c\ub2e4. \uc774\ub7f0 \uc5d0\uc774\uc804\ud2b8\ub294 \uc2dc\ubbac\ub808\uc774\uc158\uc758 \ucc98\uc74c\uc5d0 \uc2dc\uc791\ub418\ub3c4\ub85d \uc2a4\ucf00\uc974\ub418\uace0, (\uc904 4) \uc904 5\uc5d0\uc11c \ub178\ub4dc\uc758 \ub77c\uc6b0\ud305 \uc5d0\uc774\uc804\ud2b8\ub85c\uc368 \ud560\ub2f9\ub41c\ub2e4.<\/p>\n

6.4 \uc6b0\uc120\uc21c\uc704 \ud050<\/strong><\/p>\n

\ub124\uac00 \ub108\uc758 \uc2dc\ubbac\ub808\uc774\uc158\ub4e4\uc5d0\uc11c \uc6b0\uc120\uc21c\uc704 \ud050\ub4e4\uc744 \uc0ac\uc6a9\ud560 \uac83\uc740 \ub9e4\uc6b0 \uc801\ub2f9\ud558\ub2e4. \uc774 \ud050 \uc720\ud615\uc740 \ub192\uc740 \uc6b0\uc120\uc21c\uc704 \ud328\ud0b7\ub4e4\ub85c\uc368 \ub77c\uc6b0\ud305 \ud328\ud0b7\ub4e4\uc744 \ucde8\uae09\ud558\uace0, \uadf8\uac83\ub4e4\uc744 \ud050\uc758 \ucc98\uc74c\uc5d0 \uc0bd\uc785\ud55c\ub2e4. \uadf8\ub7ec\ub098 \uc6b0\ub9ac\ub294 protoname<\/em> \ud328\ud0b7\ub4e4\uc774 \ub77c\uc6b0\ud305 \ud328\ud0b7\ub4e4\uc774\uace0 \uadf8\ub798\uc11c \ub192\uc740 \uc6b0\uc120\uc21c\uc704\ub85c\uc368 \ucde8\uae09\ub41c\ub2e4\uace0 PriQueue<\/strong> \ud074\ub798\uc2a4\uc5d0\uac8c \ub9d0\ud560 \ud544\uc694\uac00 \uc788\ub2e4.<\/p>\n

\uc6b0\ub9ac\ub294 queue\/priqueue.cc<\/em> \ud30c\uc77c\uc5d0 recv()<\/em> \ud568\uc218\ub97c \ubcc0\uacbd\ud574\uc57c \ud55c\ub2e4. \ucf54\ub4dc\uc758 \ub2e4\uc74c \uc870\uac01\uc5d0\uc11c \uc904 13\uc740 \uc6b0\ub9ac\uac00 \uc2e4\ud589\ud560 \ud544\uc694\uac00 \uc788\ub294 \uc720\uc77c\ud55c \ubcc0\uacbd\uc774\ub2e4.<\/p>\n

queue\/priqueue.cc<\/p>\n

1: void<\/p>\n

2: PriQueue::recv(Packet *p, Handler *h)<\/p>\n

3: {<\/p>\n

4: struct hdr_cmn *ch = HDR_CMN(p);<\/p>\n

5:<\/p>\n

6: if (Prefer_Routing_Protocols) {<\/p>\n

7:<\/p>\n

8: switch(ch->ptype()) {<\/p>\n

9: case PT_DSR:<\/p>\n

10: case PT_MESSAGE:<\/p>\n

11: case PT_TORA:<\/p>\n

12: case PT_AODV:<\/p>\n

13: case PT_PROTONAME:<\/p>\n

14: recvHighPriority(p, h);<\/p>\n

15: break;<\/p>\n

16:<\/p>\n

17: default:<\/p>\n

18: Queue::recv(p, h);<\/p>\n

19: }<\/p>\n

20: }<\/p>\n

21: else {<\/p>\n

22: Queue::recv(p, h);<\/p>\n

23: }<\/p>\n

24: }<\/p>\n

6.5 Makefile<\/strong><\/p>\n

\uc774\uc81c \ubaa8\ub4e0 \uac83\uc774 \uad6c\ud604\ub418\uace0 \uc6b0\ub9ac\ub294 \ub2e8\uc9c0 \uadf8\uac83\uc744 \ucef4\ud30c\uc77c\ud560 \ud544\uc694\uac00 \uc788\ub2e4! \uadf8\ub807\uac8c \ud558\uae30 \uc704\ud574\uc11c \uc6b0\ub9ac\ub294 \ub2e4\uc74c\uc758 \ucf54\ub4dc (\uc904 4)\uc5d0\uc11c\ucc98\ub7fc OBJ_CC<\/em> \ubcc0\uc218 \uc548\ucabd\uc5d0 \uc6b0\ub9ac\uc758 \uc624\ube0c\uc81d\ud2b8 \ud30c\uc77c\ub4e4\uc744 \ub354\ud568\uc73c\ub85c\uc368 Makefile<\/em> \ud30c\uc77c\uc744 \ud3b8\uc9d1\ud560 \uac83\uc774\ub2e4.<\/p>\n

Makefile<\/p>\n

1: OBJ_CC = <\/p>\n

2: tools\/random.o tools\/rng.o tools\/ranvar.o common\/misc.o common\/timer-handler.o <\/p>\n

3: # …<\/p>\n

4: protoname\/protoname.o protoname\/protoname_rtable.o <\/p>\n

5: # …<\/p>\n

6: $(OBJ_STL)<\/p>\n

\uc6b0\ub9ac\uac00 common\/packet.h<\/em>\ub97c \ubcc0\uacbd\ud588\uc9c0\ub9cc common\/packet.cc<\/em>\ub294 \ubcc0\uacbd\ud558\uc9c0 \uc54a\uc558\uae30 \ub54c\ubb38\uc5d0 \uc6b0\ub9ac\ub294 \ub2e4\uc2dc \ucef4\ud30c\uc77c\ub418\ub294 \uac83\uc744 \uc704\ud574\uc11c \uc774 \ub9c8\uc9c0\ub9c9 \ud30c\uc77c\uc744 \u201ctouch\u201d\ud574\uc57c \ud55c\ub2e4. \uadf8\ub7f0 \ud6c4\uc5d0 \uc6b0\ub9ac\ub294 make<\/em>\ub97c \uc2e4\ud589\ud560 \uc218 \uc788\uace0 \uc6b0\ub9ac \uc18c\uc720\uc758 \ub77c\uc6b0\ud305 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc990\uae38 \uc218 \uc788\ub2e4. (\ub610\ub294 \uc544\ub9c8 \ubaa8\ub4e0 \ud3b8\uc9d1 \ubb38\uc81c\ub4e4\uc744 \ud574\uacb0\ud560 \uc218 \uc788\ub2e4!)<\/p>\n

[ns-2.27]$ touch common\/packet.cc<\/p>\n

[ns-2.27]$ make<\/p>\n","protected":false},"excerpt":{"rendered":"

5 \ub77c\uc6b0\ud305 \ud45c \ub108\ub294 \ub77c\uc6b0\ud305 \ud45c\ub97c \ud544\uc694\ub85c \ud558\uc9c0 \uc54a\uc744\uc9c0\ub77c\ub3c4, \ub9cc\uc57d \ub108\uc758 \ud504\ub85c\ud1a0\ucf5c\uc774 \uadf8\uac83\uc744 \uc0ac\uc6a9\ud55c\ub2e4\uba74 \uadf8\ub54c \uc774 \uc808\uc744 \uc77d\uc5b4\ub77c. \uc6b0\ub9ac\ub294 \ub2e4\ub978 \ud074\ub798\uc2a4\ub85c\uc368 \ub610\ub294 \uc784\uc758\uc758 \ub2e4\ub978 \ub370\uc774\ud130 \uad6c\uc870 (\uc608\ub97c \ub4e4\uc5b4, \ud574\uc26c \ud45c)\ub85c\uc368 \ub77c\uc6b0\ud305 \ud45c\ub97c \uad6c\ud604\ud560 \uc218 \uc788\ub2e4. \uc6b0\ub9ac\ub294 \ub77c\uc6b0\ud305 \ud45c\uac00 \uac00\uc9c0\uae30\ub85c \ub418\uc5b4 … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[30],"tags":[],"_links":{"self":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts\/2011"}],"collection":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2011"}],"version-history":[{"count":0,"href":"http:\/\/pchero21.com\/index.php?rest_route=\/wp\/v2\/posts\/2011\/revisions"}],"wp:attachment":[{"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2011"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2011"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/pchero21.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2011"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}