136 lines
2.4 KiB
C
136 lines
2.4 KiB
C
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#include "acd.h"
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int debug;
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void
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usage(void)
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{
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fprint(2, "usage: acd dev\n");
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threadexitsall("usage");
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}
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Alt
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mkalt(Channel *c, void *v, int op)
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{
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Alt a;
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memset(&a, 0, sizeof(a));
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a.c = c;
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a.v = v;
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a.op = op;
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return a;
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}
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void
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freetoc(Toc *t)
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{
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int i;
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free(t->title);
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for(i=0; i<t->ntrack; i++)
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free(t->track[i].title);
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}
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void
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eventwatcher(Drive *d)
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{
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enum { STATUS, WEVENT, TOCDISP, DBREQ, DBREPLY, NALT };
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Alt alts[NALT+1];
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Toc nt, tdb;
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Event *e;
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Window *w;
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Cdstatus s;
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char buf[40];
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w = d->w;
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alts[STATUS] = mkalt(d->cstatus, &s, CHANRCV);
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alts[WEVENT] = mkalt(w->cevent, &e, CHANRCV);
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alts[TOCDISP] = mkalt(d->ctocdisp, &nt, CHANRCV);
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alts[DBREQ] = mkalt(d->cdbreq, &tdb, CHANNOP);
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alts[DBREPLY] = mkalt(d->cdbreply, &nt, CHANRCV);
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alts[NALT] = mkalt(nil, nil, CHANEND);
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for(;;) {
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switch(alt(alts)) {
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case STATUS:
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//DPRINT(2, "s...");
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d->status = s;
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if(s.state == Scompleted) {
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s.state = Sunknown;
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advancetrack(d, w);
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}
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//DPRINT(2, "status %d %d %d %M %M\n", s.state, s.track, s.index, s.abs, s.rel);
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sprint(buf, "%d:%2.2d", s.rel.m, s.rel.s);
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setplaytime(w, buf);
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break;
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case WEVENT:
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//DPRINT(2, "w...");
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acmeevent(d, w, e);
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break;
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case TOCDISP:
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//DPRINT(2,"td...");
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freetoc(&d->toc);
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d->toc = nt;
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drawtoc(w, d, &d->toc);
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tdb = nt;
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alts[DBREQ].op = CHANSND;
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break;
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case DBREQ: /* sent */
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//DPRINT(2,"dreq...");
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alts[DBREQ].op = CHANNOP;
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break;
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case DBREPLY:
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//DPRINT(2,"drep...");
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freetoc(&d->toc);
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d->toc = nt;
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redrawtoc(w, &d->toc);
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break;
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}
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}
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}
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void
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threadmain(int argc, char **argv)
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{
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Scsi *s;
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Drive *d;
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char buf[80];
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ARGBEGIN{
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case 'v':
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debug++;
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scsiverbose++;
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}ARGEND
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if(argc != 1)
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usage();
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fmtinstall('M', msfconv);
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if((s = openscsi(argv[0])) == nil)
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error("opening scsi: %r");
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d = malloc(sizeof(*d));
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if(d == nil)
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error("out of memory");
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memset(d, 0, sizeof d);
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d->scsi = s;
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d->w = newwindow();
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d->ctocdisp = chancreate(sizeof(Toc), 0);
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d->cdbreq = chancreate(sizeof(Toc), 0);
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d->cdbreply = chancreate(sizeof(Toc), 0);
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d->cstatus = chancreate(sizeof(Cdstatus), 0);
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proccreate(wineventproc, d->w, STACK);
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proccreate(cddbproc, d, STACK);
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proccreate(cdstatusproc, d, STACK);
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cleanname(argv[0]);
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snprint(buf, sizeof(buf), "%s/", argv[0]);
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winname(d->w, buf);
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wintagwrite(d->w, "Stop Pause Resume Eject Ingest ", 5+6+7+6+7);
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eventwatcher(d);
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}
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