diff options
author | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2024-07-03 10:19:30 +0200 |
---|---|---|
committer | Jörg Frings-Fürst <debian@jff-webhosting.net> | 2024-07-03 10:19:30 +0200 |
commit | a14a7a0ccc9de76aeab0b2e4bbf58f1a79deedc2 (patch) | |
tree | e469179df67a0e0db49161a43cbf8076a189f6f4 /app/bin/shrtpath.c | |
parent | 5d2c2b27a6323e2666378b986129b2a7c2c39e5c (diff) |
New upstream version 5.3.0GAupstream/5.3.0GAupstream
Diffstat (limited to 'app/bin/shrtpath.c')
-rw-r--r-- | app/bin/shrtpath.c | 187 |
1 files changed, 105 insertions, 82 deletions
diff --git a/app/bin/shrtpath.c b/app/bin/shrtpath.c index da60d0f..f969a12 100644 --- a/app/bin/shrtpath.c +++ b/app/bin/shrtpath.c @@ -17,7 +17,7 @@ * * 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. + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ #include "shrtpath.h" @@ -34,22 +34,22 @@ static int log_shortPathInitted; typedef enum { Unknown, Working, Final } pathState_e; typedef struct { - pathState_e state; - DIST_T dist; /* Distance from root to entry */ - track_p contTrk; /* continuation */ - EPINX_T contEP; - int inxBack; /* Previous node on shortest path */ - int inxTracks; /* List of tracks along this path */ - int numTracks; - } pathNode_t, *pathNode_p; + pathState_e state; + DIST_T dist; /* Distance from root to entry */ + track_p contTrk; /* continuation */ + EPINX_T contEP; + int inxBack; /* Previous node on shortest path */ + int inxTracks; /* List of tracks along this path */ + int numTracks; +} pathNode_t, *pathNode_p; static dynArr_t pathNode_da; #define pathNode(N) DYNARR_N( pathNode_t, pathNode_da, N ) typedef struct { - track_p trk; - EPINX_T ep1, ep2; - DIST_T dist; - } trackep_t, *trackep_p; + track_p trk; + EPINX_T ep1, ep2; + DIST_T dist; +} trackep_t, *trackep_p; static dynArr_t trackep_da; #define trackep(N) DYNARR_N( trackep_t, trackep_da, N ) @@ -57,12 +57,14 @@ static track_p shortPathTrk0, shortPathTrk1; static EPINX_T shortPathEP0, shortPathEP1; -static int DoShortPathFunc( shortestPathFunc_p func, char * title, SPTF_CMD cmd, track_p trk, EPINX_T ep1, EPINX_T ep2, DIST_T dist, void * data ) +static int DoShortPathFunc( shortestPathFunc_p func, char * title, SPTF_CMD cmd, + track_p trk, EPINX_T ep1, EPINX_T ep2, DIST_T dist, void * data ) { int rc; -LOG( log_shortPath, 4, ( " %s: T%d:%d.%d D:%0.3f ", title, trk?GetTrkIndex(trk):-1, ep1, ep2, dist ) ) + LOG( log_shortPath, 4, ( " %s: T%d:%d.%d D:%0.3f ", title, + trk?GetTrkIndex(trk):-1, ep1, ep2, dist ) ) rc = func( cmd, trk, ep1, ep2, dist, data ); -LOG( log_shortPath, 4, ( "-> %d\n", rc ) ) + LOG( log_shortPath, 4, ( "-> %d\n", rc ) ) return rc; } @@ -76,20 +78,21 @@ static void DumpPaths( int pinx ) for (pinx=0; pinx<pathNode_da.cnt; pinx++) { pPath = &pathNode(pinx); lprintf( " %3d: S%c T%d:%d D%0.3f T%d:%d", - pinx, - pPath->state==Unknown?'U':pPath->state==Working?'W':pPath->state==Final?'F':'?', - (pPath->contTrk?GetTrkIndex(pPath->contTrk):-1), - pPath->contEP, - pPath->dist, - pPath->inxTracks, - pPath->numTracks ); + pinx, + pPath->state==Unknown?'U':pPath->state==Working?'W':pPath->state==Final?'F':'?', + (pPath->contTrk?GetTrkIndex(pPath->contTrk):-1), + pPath->contEP, + pPath->dist, + pPath->inxTracks, + pPath->numTracks ); if (pPath->inxBack>=0) { - lprintf(" B%d", pPath->inxBack ); + lprintf(" B%d", pPath->inxBack ); } lprintf("\n "); for (tinx=0; tinx<pPath->numTracks; tinx++) { pTrackep = &trackep(pPath->inxTracks+tinx); - lprintf( " T%d:%d-%d=%0.1f", GetTrkIndex(pTrackep->trk), pTrackep->ep1, pTrackep->ep2, pTrackep->dist ); + lprintf( " T%d:%d-%d=%0.1f", GetTrkIndex(pTrackep->trk), pTrackep->ep1, + pTrackep->ep2, pTrackep->dist ); } lprintf("\n"); } @@ -97,9 +100,9 @@ static void DumpPaths( int pinx ) static void AddTracksToPath( - int inxCurr, - shortestPathFunc_p func, - void * data ) + int inxCurr, + shortestPathFunc_p func, + void * data ) { pathNode_p pPath; int tinx; @@ -107,9 +110,10 @@ static void AddTracksToPath( while (inxCurr>=0) { pPath = &pathNode(inxCurr); - for (tinx=pPath->numTracks-1;tinx>=0;tinx--) { + for (tinx=pPath->numTracks-1; tinx>=0; tinx--) { pTrackep = &trackep(pPath->inxTracks+tinx); - DoShortPathFunc( func, "ADDTRK", SPTC_ADD_TRK, pTrackep->trk, pTrackep->ep1, pTrackep->ep2, pTrackep->dist, data ); + DoShortPathFunc( func, "ADDTRK", SPTC_ADD_TRK, pTrackep->trk, pTrackep->ep1, + pTrackep->ep2, pTrackep->dist, data ); } inxCurr = pPath->inxBack; } @@ -117,10 +121,10 @@ static void AddTracksToPath( static void AddTrackToNode( - track_p trk, - EPINX_T ep1, - EPINX_T ep2, - DIST_T dist) + track_p trk, + EPINX_T ep1, + EPINX_T ep2, + DIST_T dist) { DYNARR_APPEND( trackep_t, trackep_da, 10 ); trackep(trackep_da.cnt-1).trk = trk; @@ -131,13 +135,13 @@ static void AddTrackToNode( static BOOL_T AddPath( - int inxCurr, - track_p trk0, - EPINX_T ep1, - EPINX_T ep2, - DIST_T dist, - shortestPathFunc_p func, - void * data ) + int inxCurr, + track_p trk0, + EPINX_T ep1, + EPINX_T ep2, + DIST_T dist, + shortestPathFunc_p func, + void * data ) { EPINX_T epN; track_p trk=trk0, trkN; @@ -146,7 +150,8 @@ static BOOL_T AddPath( int startTrack; char * msg=NULL; -LOG( log_shortPath, 2, ( " AddPath( T%d:%d.%d D=%0.3f B%d ) -> \n", GetTrkIndex(trk), ep1, ep2, dist, inxCurr ) ) + LOG( log_shortPath, 2, ( " AddPath( T%d:%d.%d D=%0.3f B%d ) -> \n", + GetTrkIndex(trk), ep1, ep2, dist, inxCurr ) ) startTrack = trackep_da.cnt; while (1) { if ( ep2>=0 ) { @@ -164,13 +169,15 @@ LOG( log_shortPath, 2, ( " AddPath( T%d:%d.%d D=%0.3f B%d ) -> \n", GetTrkIndex msg = "dead end"; goto skipNode; } - if ( DoShortPathFunc( func, "IGNORE", SPTC_IGNNXTTRK, trk, ep2, ep1, dist, data ) ) { + if ( DoShortPathFunc( func, "IGNORE", SPTC_IGNNXTTRK, trk, ep2, ep1, dist, + data ) ) { msg = "ignore end"; goto skipNode; } ep1 = GetEndPtConnectedToMe( trkN, trk ); trk = trkN; - if ( (trk==shortPathTrk0 && ep1==shortPathEP0) || (trk==shortPathTrk1 && ep1==shortPathEP1) ) { + if ( (trk==shortPathTrk0 && ep1==shortPathEP0) || (trk==shortPathTrk1 + && ep1==shortPathEP1) ) { msg = "wrap around"; goto skipNode; } @@ -181,7 +188,8 @@ LOG( log_shortPath, 2, ( " AddPath( T%d:%d.%d D=%0.3f B%d ) -> \n", GetTrkIndex goto skipNode; } if ( epCnt > 2 ) { - if ( (epN=DoShortPathFunc( func, "MATCHANY", SPTC_MATCHANY, trk, ep1, -1, dist, data )) >= 0 ) { + if ( (epN=DoShortPathFunc( func, "MATCHANY", SPTC_MATCHANY, trk, ep1, -1, dist, + data )) >= 0 ) { /* special match */ /*dist += GetTrkLength( trk, ep1, epN );*/ AddTrackToNode( trk, ep1, epN, dist ); @@ -195,12 +203,13 @@ LOG( log_shortPath, 2, ( " AddPath( T%d:%d.%d D=%0.3f B%d ) -> \n", GetTrkIndex } makeNode: -if ( trk ) { -LOG( log_shortPath, 2, ( " -> FORK: [%d] T%d:%d", pathNode_da.cnt, GetTrkIndex(trk), ep1 ) ) -} else { -LOG( log_shortPath, 2, ( " -> MATCH%s: [%d]", msg, pathNode_da.cnt ) ) -} -LOG( log_shortPath, 2, ( " t%d D=%0.3f\n", startTrack, dist ) ) + if ( trk ) { + LOG( log_shortPath, 2, ( " -> FORK: [%d] T%d:%d", pathNode_da.cnt, + GetTrkIndex(trk), ep1 ) ) + } else { + LOG( log_shortPath, 2, ( " -> MATCH%s: [%d]", msg, pathNode_da.cnt ) ) + } + LOG( log_shortPath, 2, ( " t%d D=%0.3f\n", startTrack, dist ) ) DYNARR_APPEND( pathNode_t, pathNode_da, 10 ); pNode = &pathNode(pathNode_da.cnt-1); @@ -208,27 +217,29 @@ LOG( log_shortPath, 2, ( " t%d D=%0.3f\n", startTrack, dist ) ) pNode->dist = dist; pNode->contTrk = trk; pNode->contEP = ep1; - pNode->inxBack = inxCurr; + pNode->inxBack = inxCurr; pNode->inxTracks = startTrack; pNode->numTracks = trackep_da.cnt-startTrack; - if ( trk ) + if ( trk ) { SetTrkBits( trk, TB_SHRTPATH ); + } return TRUE; skipNode: -LOG( log_shortPath, 2, ( " -> FAIL: %s @ T%d:%d.%d\n", msg, GetTrkIndex(trk), ep1, ep2 ) ) - trackep_da.cnt = startTrack; + LOG( log_shortPath, 2, ( " -> FAIL: %s @ T%d:%d.%d\n", msg, GetTrkIndex(trk), + ep1, ep2 ) ) + DYNARR_SET( trackep_t, trackep_da, startTrack ); return FALSE; } int FindShortestPath( - track_p trkN, - EPINX_T epN, - BOOL_T bidirectional, - shortestPathFunc_p func, - void * data ) + track_p trkN, + EPINX_T epN, + BOOL_T bidirectional, + shortestPathFunc_p func, + void * data ) { int inxCurr = 0; pathNode_p pCurr; @@ -238,56 +249,66 @@ int FindShortestPath( int rc = 0; EPINX_T ep2, epCnt, ep3; static dynArr_t ep_da; - #define ep(N) DYNARR_N( pathNode_p, ep_da, N ) +#define ep(N) DYNARR_N( pathNode_p, ep_da, N ) DYNARR_RESET( pathNode_t, pathNode_da ); DYNARR_RESET( trackep_t, trackep_da ); if ( !log_shortPathInitted ) { log_shortPath = LogFindIndex( "shortPath" ); - log_shortPathInitted = TRUE; + log_shortPathInitted = TRUE; } -LOG( log_shortPath, 1, ( "FindShortestPath( T%d:%d, %s, ... )\n", GetTrkIndex(trkN), epN, bidirectional?"bidir":"unidir" ) ) + LOG( log_shortPath, 1, ( "FindShortestPath( T%d:%d, %s, ... )\n", + GetTrkIndex(trkN), epN, bidirectional?"bidir":"unidir" ) ) ClrAllTrkBits( TB_SHRTPATH ); /* Note: trkN:epN is not tested for MATCH */ shortPathTrk0 = trkN; shortPathEP0 = epN; shortPathTrk1 = GetTrkEndTrk( trkN, epN ); - if ( shortPathTrk1 != NULL ) + if ( shortPathTrk1 != NULL ) { shortPathEP1 = GetEndPtConnectedToMe( shortPathTrk1, shortPathTrk0 ); + } AddPath( -1, shortPathTrk0, shortPathEP0, -1, 0.0, func, data ); - if ( bidirectional && shortPathTrk1 != NULL ) + if ( bidirectional && shortPathTrk1 != NULL ) { AddPath( -1, shortPathTrk1, shortPathEP1, -1, 0.0, func, data ); + } while (1) { /* select next final node */ minDist = 0.0; inxCurr = -1; for (pinx=0; pinx<pathNode_da.cnt; pinx++) { - pNext = &pathNode(pinx); - if (pNext->state == Working && - (inxCurr < 0 || pNext->dist < minDist) ) { + pNext = &pathNode(pinx); + if (pNext->state == Working && + (inxCurr < 0 || pNext->dist < minDist) ) { minDist = pathNode(pinx).dist; inxCurr = pinx; } } - if ( inxCurr < 0 ) + if ( inxCurr < 0 ) { break; -if (log_shortPath>=4) DumpPaths(inxCurr); + } + if (log_shortPath>=4) { DumpPaths(inxCurr); } pCurr = &pathNode(inxCurr); pCurr->state = Final; if ( pCurr->contTrk == NULL ) { - if ( !DoShortPathFunc( func, "VALID", SPTC_VALID, trackep(pCurr->inxTracks+pCurr->numTracks-1).trk, trackep(pCurr->inxTracks+pCurr->numTracks-1).ep2, -1, 0.0, data ) ) + if ( !DoShortPathFunc( func, "VALID", SPTC_VALID, + trackep(pCurr->inxTracks+pCurr->numTracks-1).trk, + trackep(pCurr->inxTracks+pCurr->numTracks-1).ep2, -1, 0.0, data ) ) { continue; + } AddTracksToPath( inxCurr, func, data ); rc++; - if ( DoShortPathFunc( func, "TERMINATE", SPTC_TERMINATE, trackep(pCurr->inxTracks+pCurr->numTracks-1).trk, trackep(pCurr->inxTracks+pCurr->numTracks-1).ep2, -1, 0.0, data ) ) + if ( DoShortPathFunc( func, "TERMINATE", SPTC_TERMINATE, + trackep(pCurr->inxTracks+pCurr->numTracks-1).trk, + trackep(pCurr->inxTracks+pCurr->numTracks-1).ep2, -1, 0.0, data ) ) { break; + } } else { epCnt = GetTrkEndPtCnt(pCurr->contTrk); DYNARR_SET( pathNode_p, ep_da, epCnt ); - memset( ep_da.ptr, 0, epCnt * sizeof pNext ); + memset( &ep(0), 0, epCnt * sizeof pNext ); if ( (GetTrkBits(pCurr->contTrk) & TB_SHRTPATH) ) { for ( pinx=0; pinx<pathNode_da.cnt; pinx++ ) { pNext = &pathNode(pinx); @@ -300,25 +321,27 @@ if (log_shortPath>=4) DumpPaths(inxCurr); pCurr = &pathNode(inxCurr); /* don't point back at myself */ - if ( pCurr->contEP == ep2 ) continue; + if ( pCurr->contEP == ep2 ) { continue; } /* no route to ep */ - if ( DoShortPathFunc( func, "IGNORE", SPTC_IGNNXTTRK, pCurr->contTrk, pCurr->contEP, ep2, pCurr->dist, data ) ) continue; + if ( DoShortPathFunc( func, "IGNORE", SPTC_IGNNXTTRK, pCurr->contTrk, + pCurr->contEP, ep2, pCurr->dist, data ) ) { continue; } /* somebody got here first */ - if ( ep(ep2) ) continue; + if ( ep(ep2) ) { continue; } /* there is already a path out via ep2 */ for ( ep3=0; ep3<epCnt; ep3++ ) { - if ( ep3==pCurr->contEP || ep3==ep2 ) continue; - if ( ep(ep3) == NULL ) continue; - if ( DoShortPathFunc( func, "IGNORE", SPTC_IGNNXTTRK, pCurr->contTrk, ep2, ep3, pCurr->dist, data ) ) continue; - if ( ep(ep3)->state == Final ) break; + if ( ep3==pCurr->contEP || ep3==ep2 ) { continue; } + if ( ep(ep3) == NULL ) { continue; } + if ( DoShortPathFunc( func, "IGNORE", SPTC_IGNNXTTRK, pCurr->contTrk, ep2, ep3, + pCurr->dist, data ) ) { continue; } + if ( ep(ep3)->state == Final ) { break; } } - if ( ep3 < epCnt ) continue; + if ( ep3 < epCnt ) { continue; } AddPath( inxCurr, pCurr->contTrk, pCurr->contEP, ep2, pCurr->dist, func, data ); } } } -if (log_shortPath>=1) DumpPaths(inxCurr); + if (log_shortPath>=1) { DumpPaths(inxCurr); } ClrAllTrkBits( TB_SHRTPATH ); return rc; } |