char* rattach(Fid *f) { /* no authentication for the momment */ VacFile *file; char err[80]; file = vacfsgetroot(fs); if(file == nil) { rerrstr(err, sizeof err); return vtstrdup(err); } f->busy = 1; f->file = file; f->qid.path = vacfilegetid(f->file); f->qid.vers = 0; f->qid.type = QTDIR; thdr.qid = f->qid; if(rhdr.uname[0]) f->user = vtstrdup(rhdr.uname); else f->user = "******"; return 0; }
int vacmerge(VacFile *fp, char *name) { VacFs *mfs; VacDir vd; VacDirEnum *de; VacFile *mp; uint64_t maxqid, offset; if(strlen(name) < 4 || strcmp(name+strlen(name)-4, ".vac") != 0) return -1; if((mfs = vacfsopen(z, name, VtOREAD, 100)) == nil) return -1; if(verbose) fprint(2, "merging %s\n", name); mp = vacfsgetroot(mfs); de = vdeopen(mp); if(de){ offset = 0; if(vacfsgetmaxqid(mfs, &maxqid) >= 0){ _vacfsnextqid(fs, &offset); vacfsjumpqid(fs, maxqid+1); } while(vderead(de, &vd) > 0){ if(vd.qid > maxqid){ warn("vacmerge %s: maxqid=%lld but %s has %lld", name, maxqid, vd.elem, vd.qid); vacfsjumpqid(fs, vd.qid - maxqid); maxqid = vd.qid; } vacmergefile(fp, mp, &vd, name, offset, maxqid); vdcleanup(&vd); } vdeclose(de); } vacfiledecref(mp); vacfsclose(mfs); return 0; }
void threadmain(int argc, char **argv) { int i, j, fd, n, printstats; Dir *d; char *s; uint64_t u; VacFile *f, *fdiff; VacFs *fsdiff; int blocksize; int outfd; char *stdinname; char *diffvac; uint64_t qid; fmtinstall('F', vtfcallfmt); fmtinstall('H', encodefmt); fmtinstall('V', vtscorefmt); blocksize = BlockSize; stdinname = nil; printstats = 0; fsdiff = nil; diffvac = nil; ARGBEGIN{ case 'V': chattyventi++; break; case 'a': archivefile = EARGF(usage()); break; case 'b': u = unittoull(EARGF(usage())); if(u < 512) u = 512; if(u > VtMaxLumpSize) u = VtMaxLumpSize; blocksize = u; break; case 'd': diffvac = EARGF(usage()); break; case 'e': excludepattern(EARGF(usage())); break; case 'f': vacfile = EARGF(usage()); break; case 'h': host = EARGF(usage()); break; case 'i': stdinname = EARGF(usage()); break; case 'm': merge++; break; case 'q': qdiff++; break; case 's': printstats++; break; case 'v': verbose++; break; case 'x': loadexcludefile(EARGF(usage())); break; default: usage(); }ARGEND if(argc == 0 && !stdinname) usage(); if(archivefile && (vacfile || diffvac)){ fprint(2, "cannot use -a with -f, -d\n"); usage(); } z = vtdial(host); if(z == nil) sysfatal("could not connect to server: %r"); if(vtconnect(z) < 0) sysfatal("vtconnect: %r"); // Setup: // fs is the output vac file system // f is directory in output vac to write new files // fdiff is corresponding directory in existing vac if(archivefile){ VacFile *fp; char yyyy[5]; char mmdd[10]; char oldpath[40]; Tm tm; fdiff = nil; if((outfd = open(archivefile, ORDWR)) < 0){ if(access(archivefile, 0) >= 0) sysfatal("open %s: %r", archivefile); if((outfd = create(archivefile, OWRITE, 0666)) < 0) sysfatal("create %s: %r", archivefile); atexit(removevacfile); // because it is new if((fs = vacfscreate(z, blocksize, 512)) == nil) sysfatal("vacfscreate: %r"); }else{ if((fs = vacfsopen(z, archivefile, VtORDWR, 512)) == nil) sysfatal("vacfsopen %s: %r", archivefile); if((fdiff = recentarchive(fs, oldpath)) != nil){ if(verbose) fprint(2, "diff %s\n", oldpath); }else if(verbose) fprint(2, "no recent archive to diff against\n"); } // Create yyyy/mmdd. tm = *localtime(time(0)); snprint(yyyy, sizeof yyyy, "%04d", tm.year+1900); fp = vacfsgetroot(fs); if((f = vacfilewalk(fp, yyyy)) == nil && (f = vacfilecreate(fp, yyyy, ModeDir|0555)) == nil) sysfatal("vacfscreate %s: %r", yyyy); vacfiledecref(fp); fp = f; snprint(mmdd, sizeof mmdd, "%02d%02d", tm.mon+1, tm.mday); n = 0; while((f = vacfilewalk(fp, mmdd)) != nil){ vacfiledecref(f); n++; snprint(mmdd+4, sizeof mmdd-4, ".%d", n); } f = vacfilecreate(fp, mmdd, ModeDir|0555); if(f == nil) sysfatal("vacfscreate %s/%s: %r", yyyy, mmdd); vacfiledecref(fp); if(verbose) fprint(2, "archive %s/%s\n", yyyy, mmdd); }else{ if(vacfile == nil) outfd = 1; else if((outfd = create(vacfile, OWRITE, 0666)) < 0) sysfatal("create %s: %r", vacfile); atexit(removevacfile); if((fs = vacfscreate(z, blocksize, 512)) == nil) sysfatal("vacfscreate: %r"); f = vacfsgetroot(fs); fdiff = nil; if(diffvac){ if((fsdiff = vacfsopen(z, diffvac, VtOREAD, 128)) == nil) warn("vacfsopen %s: %r", diffvac); else fdiff = vacfsgetroot(fsdiff); } } if(stdinname) vacstdin(f, stdinname); for(i=0; i<argc; i++){ // We can't use / and . and .. and ../.. as valid archive // names, so expand to the list of files in the directory. if(argv[i][0] == 0){ warn("empty string given as command-line argument"); continue; } cleanname(argv[i]); if(strcmp(argv[i], "/") == 0 || strcmp(argv[i], ".") == 0 || strcmp(argv[i], "..") == 0 || (strlen(argv[i]) > 3 && strcmp(argv[i]+strlen(argv[i])-3, "/..") == 0)){ if((fd = open(argv[i], OREAD)) < 0){ warn("open %s: %r", argv[i]); continue; } while((n = dirread(fd, &d)) > 0){ for(j=0; j<n; j++){ s = vtmalloc(strlen(argv[i])+1+strlen(d[j].name)+1); strcpy(s, argv[i]); strcat(s, "/"); strcat(s, d[j].name); cleanname(s); vac(f, fdiff, s, &d[j]); } free(d); } close(fd); continue; } if((d = dirstat(argv[i])) == nil){ warn("stat %s: %r", argv[i]); continue; } vac(f, fdiff, argv[i], d); free(d); } if(fdiff) vacfiledecref(fdiff); /* * Record the maximum qid so that vacs can be merged * without introducing overlapping qids. Older versions * of vac arranged that the root would have the largest * qid in the file system, but we can't do that anymore * (the root gets created first!). */ if(_vacfsnextqid(fs, &qid) >= 0) vacfilesetqidspace(f, 0, qid); vacfiledecref(f); /* * Copy fsdiff's root block score into fs's slot for that, * so that vacfssync will copy it into root.prev for us. * Just nice documentation, no effect. */ if(fsdiff) memmove(fs->score, fsdiff->score, VtScoreSize); if(vacfssync(fs) < 0) fprint(2, "vacfssync: %r\n"); fprint(outfd, "vac:%V\n", fs->score); atexitdont(removevacfile); vacfsclose(fs); vthangup(z); if(printstats){ fprint(2, "%d files, %d files skipped, %d directories\n" "%lld data bytes written, %lld data bytes skipped\n", stats.nfile, stats.skipfiles, stats.ndir, stats.data, stats.skipdata); dup(2, 1); packetstats(); } threadexitsall(0); }
VacFile* recentarchive(VacFs *fs, char *path) { VacFile *fp, *f; VacDirEnum *de; VacDir vd; char buf[10]; int year, mmdd, nn, n, n1; char *p; fp = vacfsgetroot(fs); de = vdeopen(fp); year = 0; if(de){ for(; vderead(de, &vd) > 0; vdcleanup(&vd)){ if(strlen(vd.elem) != 4) continue; if((n = strtol(vd.elem, &p, 10)) < 1900 || *p != 0) continue; if(year < n) year = n; } } vdeclose(de); if(year == 0){ vacfiledecref(fp); return nil; } snprint(buf, sizeof buf, "%04d", year); if((f = vacfilewalk(fp, buf)) == nil){ fprint(2, "warning: dirread %s but cannot walk", buf); vacfiledecref(fp); return nil; } fp = f; de = vdeopen(fp); mmdd = 0; nn = 0; if(de){ for(; vderead(de, &vd) > 0; vdcleanup(&vd)){ if(strlen(vd.elem) < 4) continue; if((n = strtol(vd.elem, &p, 10)) < 100 || n > 1231 || p != vd.elem+4) continue; if(*p == '.'){ if(p[1] == '0' || (n1 = strtol(p+1, &p, 10)) == 0 || *p != 0) continue; }else{ if(*p != 0) continue; n1 = 0; } if(n < mmdd || (n == mmdd && n1 < nn)) continue; mmdd = n; nn = n1; } } vdeclose(de); if(mmdd == 0){ vacfiledecref(fp); return nil; } if(nn == 0) snprint(buf, sizeof buf, "%04d", mmdd); else snprint(buf, sizeof buf, "%04d.%d", mmdd, nn); if((f = vacfilewalk(fp, buf)) == nil){ fprint(2, "warning: dirread %s but cannot walk", buf); vacfiledecref(fp); return nil; } vacfiledecref(fp); sprint(path, "%04d/%s", year, buf); return f; }
void threadmain(int argc, char *argv[]) { int i, printstats; char *host; VacFile *f; fmtinstall('H', encodefmt); fmtinstall('V', vtscorefmt); fmtinstall('F', vtfcallfmt); fmtinstall('t', mtimefmt); fmtinstall('M', dirmodefmt); host = nil; printstats = 0; ARGBEGIN{ case 'T': settimes = 1; break; case 'V': chattyventi = 1; break; case 'c': tostdout++; break; case 'd': diff++; break; case 'h': host = EARGF(usage()); break; case 's': printstats++; break; case 't': table++; break; case 'v': chatty++; break; default: usage(); }ARGEND if(argc < 1) usage(); if(tostdout && diff){ fprint(2, "cannot use -c with -d\n"); usage(); } conn = vtdial(host); if(conn == nil) sysfatal("could not connect to server: %r"); if(vtconnect(conn) < 0) sysfatal("vtconnect: %r"); fs = vacfsopen(conn, argv[0], VtOREAD, 128); if(fs == nil) sysfatal("vacfsopen: %r"); nwant = argc-1; want = argv+1; found = vtmallocz(nwant*sizeof found[0]); if((f = vacfsgetroot(fs)) == nil) sysfatal("vacfsgetroot: %r"); unvac(f, nil, nil); for(i=0; i<nwant; i++){ if(want[i] && !found[i]){ fprint(2, "warning: didn't find %s\n", want[i]); errors++; } } if(errors) threadexitsall("errors"); if(printstats) fprint(2, "%lld bytes read, %lld bytes skipped\n", stats.data, stats.skipdata); threadexitsall(0); }