ref: eb1be5b4df533c4e5100296fb042e274da435b5b
dir: /sys/src/cmd/venti/readlist.c/
#include <u.h> #include <libc.h> #include <thread.h> #include <venti.h> #include <bio.h> char *host; Biobuf b; VtConn *z; uchar *buf; void run(Biobuf*); int nn; void usage(void) { fprint(2, "usage: readlist [-h host] list\n"); threadexitsall("usage"); } int parsescore(uchar *score, char *buf, int n) { int i, c; memset(score, 0, VtScoreSize); if(n != VtScoreSize*2){ werrstr("score wrong length %d", n); return -1; } for(i=0; i<VtScoreSize*2; i++) { if(buf[i] >= '0' && buf[i] <= '9') c = buf[i] - '0'; else if(buf[i] >= 'a' && buf[i] <= 'f') c = buf[i] - 'a' + 10; else if(buf[i] >= 'A' && buf[i] <= 'F') c = buf[i] - 'A' + 10; else { c = buf[i]; werrstr("bad score char %d '%c'", c, c); return -1; } if((i & 1) == 0) c <<= 4; score[i>>1] |= c; } return 0; } void threadmain(int argc, char *argv[]) { int fd, i; ARGBEGIN{ case 'h': host = EARGF(usage()); break; default: usage(); break; }ARGEND fmtinstall('V', vtscorefmt); buf = vtmallocz(VtMaxLumpSize); z = vtdial(host); if(z == nil) sysfatal("could not connect to server: %r"); if(vtconnect(z) < 0) sysfatal("vtconnect: %r"); if(argc == 0){ Binit(&b, 0, OREAD); run(&b); }else{ for(i=0; i<argc; i++){ if((fd = open(argv[i], OREAD)) < 0) sysfatal("open %s: %r", argv[i]); Binit(&b, fd, OREAD); run(&b); } } threadexitsall(nil); } void run(Biobuf *b) { char *p, *f[10]; int nf; uchar score[20]; int type, n; while((p = Brdline(b, '\n')) != nil){ p[Blinelen(b)-1] = 0; nf = tokenize(p, f, nelem(f)); if(nf != 2) sysfatal("syntax error in work list"); if(parsescore(score, f[0], strlen(f[0])) < 0) sysfatal("bad score %s in work list", f[0]); type = atoi(f[1]); n = vtread(z, score, type, buf, VtMaxLumpSize); if(n < 0) sysfatal("could not read %s %s: %r", f[0], f[1]); /* write(1, buf, n); */ if(++nn%1000 == 0) print("%d...", nn); } }