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- /*
- * This file is part of the UCB release of Plan 9. It is subject to the license
- * terms in the LICENSE file found in the top-level directory of this
- * distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
- * part of the UCB release of Plan 9, including this file, may be copied,
- * modified, propagated, or distributed except according to the terms contained
- * in the LICENSE file.
- */
- /* Copyright (c) 2004 Russ Cox */
- #include <u.h>
- #include <libc.h>
- #include <venti.h>
- #include <thread.h>
- #include <libsec.h>
- #ifndef _UNISTD_H_
- #pragma varargck type "F" VtFcall*
- #pragma varargck type "T" void
- #endif
- int verbose;
- enum
- {
- STACK = 8192
- };
- void
- usage(void)
- {
- fprint(2, "usage: venti/devnull [-v] [-a address]\n");
- threadexitsall("usage");
- }
- void
- threadmain(int argc, char **argv)
- {
- VtReq *r;
- VtSrv *srv;
- char *address;
- fmtinstall('V', vtscorefmt);
- fmtinstall('F', vtfcallfmt);
-
- address = "tcp!*!venti";
- ARGBEGIN{
- case 'v':
- verbose++;
- break;
- case 'a':
- address = EARGF(usage());
- break;
- default:
- usage();
- }ARGEND
- srv = vtlisten(address);
- if(srv == nil)
- sysfatal("vtlisten %s: %r", address);
- while((r = vtgetreq(srv)) != nil){
- r->rx.msgtype = r->tx.msgtype+1;
- if(verbose)
- fprint(2, "<- %F\n", &r->tx);
- switch(r->tx.msgtype){
- case VtTping:
- break;
- case VtTgoodbye:
- break;
- case VtTread:
- r->rx.error = vtstrdup("no such block");
- r->rx.msgtype = VtRerror;
- break;
- case VtTwrite:
- packetsha1(r->tx.data, r->rx.score);
- break;
- case VtTsync:
- break;
- }
- if(verbose)
- fprint(2, "-> %F\n", &r->rx);
- vtrespond(r);
- }
- threadexitsall(nil);
- }
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