113 lines
1.8 KiB
C
113 lines
1.8 KiB
C
|
/* 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
|
||
|
|
||
|
VtConn *z;
|
||
|
int verbose;
|
||
|
|
||
|
enum
|
||
|
{
|
||
|
STACK = 8192
|
||
|
};
|
||
|
|
||
|
void
|
||
|
usage(void)
|
||
|
{
|
||
|
fprint(2, "usage: venti/ro [-v] [-a address] [-h address]\n");
|
||
|
threadexitsall("usage");
|
||
|
}
|
||
|
|
||
|
void
|
||
|
readthread(void *v)
|
||
|
{
|
||
|
char err[ERRMAX];
|
||
|
VtReq *r;
|
||
|
uchar *buf;
|
||
|
int n;
|
||
|
|
||
|
r = v;
|
||
|
buf = vtmalloc(r->tx.count);
|
||
|
if((n=vtread(z, r->tx.score, r->tx.blocktype, buf, r->tx.count)) < 0){
|
||
|
r->rx.msgtype = VtRerror;
|
||
|
rerrstr(err, sizeof err);
|
||
|
r->rx.error = vtstrdup(err);
|
||
|
free(buf);
|
||
|
}else{
|
||
|
r->rx.data = packetforeign(buf, n, free, buf);
|
||
|
}
|
||
|
if(verbose)
|
||
|
fprint(2, "-> %F\n", &r->rx);
|
||
|
vtrespond(r);
|
||
|
}
|
||
|
|
||
|
void
|
||
|
threadmain(int argc, char **argv)
|
||
|
{
|
||
|
VtReq *r;
|
||
|
VtSrv *srv;
|
||
|
char *address, *ventiaddress;
|
||
|
|
||
|
fmtinstall('F', vtfcallfmt);
|
||
|
fmtinstall('V', vtscorefmt);
|
||
|
|
||
|
address = "tcp!*!venti";
|
||
|
ventiaddress = nil;
|
||
|
|
||
|
ARGBEGIN{
|
||
|
case 'v':
|
||
|
verbose++;
|
||
|
break;
|
||
|
case 'a':
|
||
|
address = EARGF(usage());
|
||
|
break;
|
||
|
case 'h':
|
||
|
ventiaddress = EARGF(usage());
|
||
|
break;
|
||
|
default:
|
||
|
usage();
|
||
|
}ARGEND
|
||
|
|
||
|
if((z = vtdial(ventiaddress)) == nil)
|
||
|
sysfatal("vtdial %s: %r", ventiaddress);
|
||
|
if(vtconnect(z) < 0)
|
||
|
sysfatal("vtconnect: %r");
|
||
|
|
||
|
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:
|
||
|
threadcreate(readthread, r, 16384);
|
||
|
continue;
|
||
|
case VtTwrite:
|
||
|
r->rx.error = vtstrdup("read-only server");
|
||
|
r->rx.msgtype = VtRerror;
|
||
|
break;
|
||
|
case VtTsync:
|
||
|
break;
|
||
|
}
|
||
|
if(verbose)
|
||
|
fprint(2, "-> %F\n", &r->rx);
|
||
|
vtrespond(r);
|
||
|
}
|
||
|
threadexitsall(nil);
|
||
|
}
|
||
|
|