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Diffstat (limited to 'src/sq/sq_exec.c')
-rw-r--r-- | src/sq/sq_exec.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/sq/sq_exec.c b/src/sq/sq_exec.c new file mode 100644 index 000000000..34a54dcca --- /dev/null +++ b/src/sq/sq_exec.c | |||
@@ -0,0 +1,111 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet | ||
3 | Copyright (C) 2018 GNUnet e.V. | ||
4 | |||
5 | GNUnet is free software: you can redistribute it and/or modify it | ||
6 | under the terms of the GNU Affero General Public License as published | ||
7 | by the Free Software Foundation, either version 3 of the License, | ||
8 | or (at your option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | Affero General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Affero General Public License | ||
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
17 | */ | ||
18 | /** | ||
19 | * @file sq/sq_exec.c | ||
20 | * @brief helper functions for executing SQL statements | ||
21 | * @author Christian Grothoff | ||
22 | */ | ||
23 | #include "platform.h" | ||
24 | #include "gnunet_sq_lib.h" | ||
25 | |||
26 | |||
27 | /** | ||
28 | * Create a `struct GNUNET_SQ_ExecuteStatement` where errors are fatal. | ||
29 | * | ||
30 | * @param sql actual SQL statement | ||
31 | * @return initialized struct | ||
32 | */ | ||
33 | struct GNUNET_SQ_ExecuteStatement | ||
34 | GNUNET_SQ_make_execute (const char *sql) | ||
35 | { | ||
36 | struct GNUNET_SQ_ExecuteStatement es = { | ||
37 | .sql = sql, | ||
38 | .ignore_errors = GNUNET_NO | ||
39 | }; | ||
40 | |||
41 | return es; | ||
42 | } | ||
43 | |||
44 | |||
45 | |||
46 | /** | ||
47 | * Create a `struct GNUNET_SQ_ExecuteStatement` where errors should | ||
48 | * be tolerated. | ||
49 | * | ||
50 | * @param sql actual SQL statement | ||
51 | * @return initialized struct | ||
52 | */ | ||
53 | struct GNUNET_SQ_ExecuteStatement | ||
54 | GNUNET_SQ_make_try_execute (const char *sql) | ||
55 | { | ||
56 | struct GNUNET_SQ_ExecuteStatement es = { | ||
57 | .sql = sql, | ||
58 | .ignore_errors = GNUNET_YES | ||
59 | }; | ||
60 | |||
61 | return es; | ||
62 | } | ||
63 | |||
64 | |||
65 | /** | ||
66 | * Request execution of an array of statements @a es from Postgres. | ||
67 | * | ||
68 | * @param dbh database to execute the statements over | ||
69 | * @param es #GNUNET_PQ_PREPARED_STATEMENT_END-terminated array of prepared | ||
70 | * statements. | ||
71 | * @return #GNUNET_OK on success (modulo statements where errors can be ignored) | ||
72 | * #GNUNET_SYSERR on error | ||
73 | */ | ||
74 | int | ||
75 | GNUNET_SQ_exec_statements (sqlite3 *dbh, | ||
76 | const struct GNUNET_SQ_ExecuteStatement *es) | ||
77 | { | ||
78 | for (unsigned int i=0;NULL != es[i].sql;i++) | ||
79 | { | ||
80 | char *emsg = NULL; | ||
81 | |||
82 | if (SQLITE_OK != | ||
83 | sqlite3_exec (dbh, | ||
84 | es[i].sql, | ||
85 | NULL, | ||
86 | NULL, | ||
87 | &emsg)) | ||
88 | { | ||
89 | if (es[i].ignore_errors) | ||
90 | { | ||
91 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
92 | "Failed to run SQL `%s': %s\n", | ||
93 | es[i].sql, | ||
94 | emsg); | ||
95 | } | ||
96 | else | ||
97 | { | ||
98 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
99 | "Failed to run SQL `%s': %s\n", | ||
100 | es[i].sql, | ||
101 | emsg); | ||
102 | sqlite3_free (emsg); | ||
103 | return GNUNET_SYSERR; | ||
104 | } | ||
105 | sqlite3_free (emsg); | ||
106 | } | ||
107 | } | ||
108 | return GNUNET_OK; | ||
109 | } | ||
110 | |||
111 | /* end of sq_exec */ | ||