author | Tero Marttila <terom@fixme.fi> |
Sat, 29 Nov 2008 01:12:00 +0200 | |
branch | new-evsql |
changeset 48 | 8b019d191353 |
parent 41 | 6abda2fa4579 |
child 49 | bb2ff0d2d343 |
permissions | -rw-r--r-- |
28
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
1 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
2 |
#include <string.h> |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
3 |
|
29
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
28
diff
changeset
|
4 |
#include "dbfs.h" |
5de62ca9a5aa
reorganize evsql into a separate dir, rename dbfs slightly, and split dbfs_op out from dirop (in prep for fileop)
Tero Marttila <terom@fixme.fi>
parents:
28
diff
changeset
|
5 |
#include "../lib/log.h" |
28
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
6 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
7 |
mode_t _dbfs_mode (const char *type) { |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
8 |
if (!strcmp(type, "DIR")) |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
9 |
return S_IFDIR; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
10 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
11 |
if (!strcmp(type, "REG")) |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
12 |
return S_IFREG; |
32 | 13 |
|
14 |
if (!strcmp(type, "LNK")) |
|
15 |
return S_IFLNK; |
|
28
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
16 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
17 |
else { |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
18 |
WARNING("[dbfs] weird mode-type: %s", type); |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
19 |
return 0; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
20 |
} |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
21 |
} |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
22 |
|
48
8b019d191353
update dbfs code to work with new evsql
Tero Marttila <terom@fixme.fi>
parents:
41
diff
changeset
|
23 |
int _dbfs_check_res (struct evsql_result *res, size_t rows, size_t cols) { |
28
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
24 |
int err = 0; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
25 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
26 |
// check if it failed |
48
8b019d191353
update dbfs code to work with new evsql
Tero Marttila <terom@fixme.fi>
parents:
41
diff
changeset
|
27 |
if (evsql_result_check(res)) |
28
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
28 |
NERROR(evsql_result_error(res)); |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
29 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
30 |
// not found? |
34
460f995d3769
fix readdir to use ORDER BY, rename
Tero Marttila <terom@fixme.fi>
parents:
32
diff
changeset
|
31 |
if (evsql_result_rows(res) == 0 && evsql_result_affected(res) == 0) |
28
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
32 |
SERROR(err = 1); |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
33 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
34 |
// duplicate rows? |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
35 |
if (rows && evsql_result_rows(res) != rows) |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
36 |
ERROR("wrong number of rows returned"); |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
37 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
38 |
// correct number of columns |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
39 |
if (evsql_result_cols(res) != cols) |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
40 |
ERROR("wrong number of columns: %zu", evsql_result_cols(res)); |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
41 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
42 |
// good |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
43 |
return 0; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
44 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
45 |
error: |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
46 |
if (!err) |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
47 |
err = -1; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
48 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
49 |
return err; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
50 |
} |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
51 |
|
48
8b019d191353
update dbfs code to work with new evsql
Tero Marttila <terom@fixme.fi>
parents:
41
diff
changeset
|
52 |
err_t dbfs_check_result (struct evsql_result *res, size_t rows, size_t cols) { |
41
6abda2fa4579
touch up the Makefile, define err_t as unsigned int in error.h, and add some preliminary interrupt support, although it will always deadlock due to a bug in libfuse
Tero Marttila <terom@fixme.fi>
parents:
36
diff
changeset
|
53 |
err_t err; |
34
460f995d3769
fix readdir to use ORDER BY, rename
Tero Marttila <terom@fixme.fi>
parents:
32
diff
changeset
|
54 |
|
36
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
55 |
// number of rows returned/affected |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
56 |
size_t nrows = evsql_result_rows(res) ? : evsql_result_affected(res); |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
57 |
|
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
58 |
// did the query fail outright? |
48
8b019d191353
update dbfs code to work with new evsql
Tero Marttila <terom@fixme.fi>
parents:
41
diff
changeset
|
59 |
if (evsql_result_check(res)) |
36
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
60 |
// dump error message |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
61 |
NXERROR(err = EIO, evsql_result_error(res)); |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
62 |
|
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
63 |
// SELECT/DELETE/UPDATE WHERE didn't match any rows -> ENOENT |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
64 |
if (nrows == 0) |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
65 |
XERROR(err = ENOENT, "no rows returned/affected"); |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
66 |
|
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
67 |
// duplicate rows where one expected? |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
68 |
if (rows && nrows != rows) |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
69 |
XERROR(err = EIO, "wrong number of rows: %zu -> %zu", rows, nrows); |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
70 |
|
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
71 |
// correct number of columns |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
72 |
if (evsql_result_cols(res) != cols) |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
73 |
XERROR(err = EIO, "wrong number of columns: %zu -> %zu", cols, evsql_result_cols(res)); |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
74 |
|
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
75 |
// good |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
76 |
return 0; |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
77 |
|
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
78 |
error: |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
79 |
return err; |
56427f22e969
tweak debug/info output, implement dbfs_unlink with slightly improved error macros handling
Tero Marttila <terom@fixme.fi>
parents:
34
diff
changeset
|
80 |
} |
34
460f995d3769
fix readdir to use ORDER BY, rename
Tero Marttila <terom@fixme.fi>
parents:
32
diff
changeset
|
81 |
|
48
8b019d191353
update dbfs code to work with new evsql
Tero Marttila <terom@fixme.fi>
parents:
41
diff
changeset
|
82 |
int _dbfs_stat_info (struct stat *st, struct evsql_result *res, size_t row, size_t col_offset) { |
28
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
83 |
int err = 0; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
84 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
85 |
uint16_t mode; |
30
d8fabd347a8e
working open+read+flush+release
Tero Marttila <terom@fixme.fi>
parents:
29
diff
changeset
|
86 |
uint32_t size = 0; // NULL for non-REG inodes |
31 | 87 |
uint64_t nlink = 0; // will be NULL for non-GROUP BY queries |
28
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
88 |
const char *type; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
89 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
90 |
// extract the data |
31 | 91 |
if ((0 |
28
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
92 |
|| evsql_result_string(res, row, col_offset + 0, &type, 0 ) // inodes.type |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
93 |
|| evsql_result_uint16(res, row, col_offset + 1, &mode, 0 ) // inodes.mode |
30
d8fabd347a8e
working open+read+flush+release
Tero Marttila <terom@fixme.fi>
parents:
29
diff
changeset
|
94 |
|| evsql_result_uint32(res, row, col_offset + 2, &size, 1 ) // size |
31 | 95 |
|| evsql_result_uint64(res, row, col_offset + 3, &nlink, 1 ) // count(*) |
96 |
) && (err = EIO)) |
|
97 |
ERROR("invalid db data"); |
|
28
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
98 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
99 |
INFO("\tst_mode=S_IF%s | %ho, st_nlink=%llu, st_size=%llu", type, mode, (long long unsigned int) nlink, (long long unsigned int) size); |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
100 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
101 |
// convert and store |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
102 |
st->st_mode = _dbfs_mode(type) | mode; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
103 |
st->st_nlink = nlink; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
104 |
st->st_size = size; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
105 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
106 |
// good |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
107 |
return 0; |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
108 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
109 |
error: |
31 | 110 |
return err; |
28
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
111 |
} |
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
112 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
113 |
|
e944453ca924
split off dbfs components into a separate dir, improve dirop docs, error handling, etc
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
114 |