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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/*
* $Id: statfs.c,v 1.3 2007/12/04 11:25:43 dhsmith Exp $
*/
/*
* Copyright (C) 1990-2005 by CERN/IT/PDP/DM
* All rights reserved
*/
#ifndef lint
static char sccsid[] = "@(#)$RCSfile: statfs.c,v $ $Revision: 1.3 $ $Date: 2007/12/04 11:25:43 $ CERN/IT/PDP/DM Felix Hassine";
#endif /* not lint */
/* statfs.c Remote File I/O - get file system status */
#define RFIO_KERNEL 1
#include "rfio.h" /* Remote File I/O general definitions */
int DLL_DECL rfio_statfs(path, statfsbuf)
char *path; /* remote file path */
struct rfstatfs *statfsbuf; /* status buffer (subset of local used) */
{
#if (defined(__alpha) && defined(__osf__)) || defined(IRIX64) || defined(__ia64__) || defined(__x86_64) || defined(__ppc64__)
return (rfio_statfs64(path,(struct rfstatfs64 *)statfsbuf));
#else
char buf[BUFSIZ]; /* General input/output buffer */
register int s; /* socket descriptor */
int status;
int len;
char *host, *filename;
char *p=buf;
int rt ;
int rcode, parserc ;
INIT_TRACE("RFIO_TRACE");
TRACE(1, "rfio", "rfio_statfs(%s, %x)", path, statfsbuf);
if (!(parserc = rfio_parse(path,&host,&filename))) {
/* if not a remote file, must be local */
TRACE(1, "rfio", "rfio_statfs: using local statfs(%s, %x)",
filename, statfsbuf);
END_TRACE();
rfio_errno = 0;
return(rfstatfs(filename , statfsbuf));
}
if (parserc < 0) {
END_TRACE();
return(-1);
}
len = strlen(path)+1;
if ( RQSTSIZE+len > BUFSIZ ) {
TRACE(2,"rfio","rfio_statfs: request too long %d (max %d)",
RQSTSIZE+len,BUFSIZ);
END_TRACE();
serrno = E2BIG;
return(-1);
}
s = rfio_connect(host,&rt);
if (s < 0) {
END_TRACE();
return(-1);
}
marshall_WORD(p, RFIO_MAGIC);
marshall_WORD(p, RQST_STATFS);
marshall_LONG(p, len);
p= buf + RQSTSIZE;
marshall_STRING(p, filename);
TRACE(2,"rfio","rfio_statfs: sending %d bytes",RQSTSIZE+len) ;
if (netwrite_timeout(s,buf,RQSTSIZE+len,RFIO_CTRL_TIMEOUT) != (RQSTSIZE+len)) {
TRACE(2, "rfio", "rfio_statfs: write(): ERROR occured (errno=%d)", errno);
(void) close(s);
END_TRACE();
return(-1);
}
p = buf;
TRACE(2, "rfio", "rfio_statfs: reading %d bytes", 7*LONGSIZE);
if (netread_timeout(s, buf, 7*LONGSIZE, RFIO_CTRL_TIMEOUT) != (7*LONGSIZE)) {
TRACE(2, "rfio", "rfio_statfs: read(): ERROR occured (errno=%d)", errno);
(void) close(s);
END_TRACE();
return(-1);
}
unmarshall_LONG( p, statfsbuf->bsize ) ;
unmarshall_LONG( p, statfsbuf->totblks ) ;
unmarshall_LONG( p, statfsbuf->freeblks ) ;
unmarshall_LONG( p, statfsbuf->totnods ) ;
unmarshall_LONG( p, statfsbuf->freenods ) ;
unmarshall_LONG( p, status ) ;
unmarshall_LONG( p, rcode ) ;
TRACE(1, "rfio", "rfio_statfs: return %d",status);
rfio_errno = rcode ;
(void) close(s);
END_TRACE();
return (status);
#endif
}
int DLL_DECL rfio_statfs64(path, statfsbuf)
char *path; /* remote file path */
struct rfstatfs64 *statfsbuf; /* status buffer (subset of local used) */
{
char buf[BUFSIZ]; /* General input/output buffer */
register int s; /* socket descriptor */
int status;
int len;
char *host, *filename;
char *p=buf;
int rc ;
int save_errno, save_serrno;
int rt ;
int rcode, parserc ;
struct rfstatfs statfsb32;
INIT_TRACE("RFIO_TRACE");
TRACE(1, "rfio", "rfio_statfs64(%s, %x)", path, statfsbuf);
if (!(parserc = rfio_parse(path,&host,&filename))) {
/* if not a remote file, must be local */
TRACE(1, "rfio", "rfio_statfs64: using local statfs64(%s, %x)",
filename, statfsbuf);
END_TRACE();
rfio_errno = 0;
return(rfstatfs64(filename , statfsbuf));
}
if (parserc < 0) {
END_TRACE();
return(-1);
}
len = strlen(path)+1;
if ( RQSTSIZE+len > BUFSIZ ) {
TRACE(2,"rfio","rfio_statfs64: request too long %d (max %d)",
RQSTSIZE+len,BUFSIZ);
END_TRACE();
serrno = E2BIG;
return(-1);
}
s = rfio_connect(host,&rt);
if (s < 0) {
END_TRACE();
return(-1);
}
marshall_WORD(p, RFIO_MAGIC);
marshall_WORD(p, RQST_STATFS64);
marshall_LONG(p, len);
p= buf + RQSTSIZE;
marshall_STRING(p, filename);
TRACE(2,"rfio","rfio_statfs64: sending %d bytes",RQSTSIZE+len) ;
if (netwrite_timeout(s,buf,RQSTSIZE+len,RFIO_CTRL_TIMEOUT) != (RQSTSIZE+len)) {
TRACE(2, "rfio", "rfio_statfs64: write(): ERROR occured (errno=%d)", errno);
(void) close(s);
END_TRACE();
return(-1);
}
p = buf;
TRACE(2, "rfio", "rfio_statfs64: reading %d bytes", 3*LONGSIZE+4*HYPERSIZE);
if ((rc=netread_timeout(s, buf, 3*LONGSIZE+4*HYPERSIZE, RFIO_CTRL_TIMEOUT)) != (3*LONGSIZE+4*HYPERSIZE)) {
save_errno = errno; save_serrno = serrno;
#if !defined(_WIN32)
if (rc == 0 || (rc<0 && errno == ECONNRESET))
#else
if (rc == 0 || (rc<0 && serrno == SETIMEDOUT))
#endif
TRACE(2, "rfio", "rfio_statfs64: read(): The connection with the server has been broken");
else
TRACE(2, "rfio", "rfio_statfs64: read(): ERROR occured (errno=%d)", errno);
(void) close(s);
END_TRACE();
errno = save_errno; serrno = save_serrno;
return(-1);
}
unmarshall_LONG( p, statfsbuf->bsize ) ;
unmarshall_HYPER( p, statfsbuf->totblks ) ;
unmarshall_HYPER( p, statfsbuf->freeblks ) ;
unmarshall_HYPER( p, statfsbuf->totnods ) ;
unmarshall_HYPER( p, statfsbuf->freenods ) ;
unmarshall_LONG( p, status ) ;
unmarshall_LONG( p, rcode ) ;
TRACE(1, "rfio", "rfio_statfs64: return %d",status);
rfio_errno = rcode ;
(void) close(s);
END_TRACE();
return (status);
}
|
