blob: fdad553e6ba9ebeb818882b912aaf982f7c49cb1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/* 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);
}
|