X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Fdatacache%2Fplugin_datacache_sqlite.c;h=dc4236a8b8fd4ba2254a81f716410b32fb4e3f6e;hb=1eb0a7b0bcc365263e11ba03def10d51976ff32a;hp=5567077d3fd8738ca4ff39f20e477d62b885d481;hpb=d8c53b12a818ff7cf82d06a1a69c395bdef85ee6;p=oweals%2Fgnunet.git
diff --git a/src/datacache/plugin_datacache_sqlite.c b/src/datacache/plugin_datacache_sqlite.c
index 5567077d3..dc4236a8b 100644
--- a/src/datacache/plugin_datacache_sqlite.c
+++ b/src/datacache/plugin_datacache_sqlite.c
@@ -2,20 +2,18 @@
This file is part of GNUnet
Copyright (C) 2006, 2009, 2015 GNUnet e.V.
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Affero General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see .
*/
/**
@@ -26,6 +24,7 @@
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_datacache_plugin.h"
+#include "gnunet_sq_lib.h"
#include
#define LOG(kind,...) GNUNET_log_from (kind, "datacache-sqlite", __VA_ARGS__)
@@ -37,7 +36,7 @@
* How much overhead do we assume per entry in the
* datacache?
*/
-#define OVERHEAD (sizeof(struct GNUNET_HashCode) + 32)
+#define OVERHEAD (sizeof(struct GNUNET_HashCode) + 36)
/**
* Context for all functions in this plugin.
@@ -59,6 +58,46 @@ struct Plugin
*/
char *fn;
+ /**
+ * Prepared statement for #sqlite_plugin_put.
+ */
+ sqlite3_stmt *insert_stmt;
+
+ /**
+ * Prepared statement for #sqlite_plugin_get.
+ */
+ sqlite3_stmt *get_count_stmt;
+
+ /**
+ * Prepared statement for #sqlite_plugin_get.
+ */
+ sqlite3_stmt *get_stmt;
+
+ /**
+ * Prepared statement for #sqlite_plugin_del.
+ */
+ sqlite3_stmt *del_select_stmt;
+
+ /**
+ * Prepared statement for #sqlite_plugin_del.
+ */
+ sqlite3_stmt *del_expired_stmt;
+
+ /**
+ * Prepared statement for #sqlite_plugin_del.
+ */
+ sqlite3_stmt *del_stmt;
+
+ /**
+ * Prepared statement for #sqlite_plugin_get_random.
+ */
+ sqlite3_stmt *get_random_stmt;
+
+ /**
+ * Prepared statement for #sqlite_plugin_get_closest.
+ */
+ sqlite3_stmt *get_closest_stmt;
+
/**
* Number of key-value pairs in the database.
*/
@@ -102,7 +141,8 @@ sq_prepare (sqlite3 *dbh,
char *dummy;
return sqlite3_prepare (dbh,
- zSql, strlen (zSql),
+ zSql,
+ strlen (zSql),
ppStmt,
(const char **) &dummy);
}
@@ -113,6 +153,7 @@ sq_prepare (sqlite3 *dbh,
*
* @param cls closure (our `struct Plugin`)
* @param key key to store @a data under
+ * @param xor_distance how close is @a key to our PID?
* @param size number of bytes in @a data
* @param data data to store
* @param type type of the value
@@ -124,6 +165,7 @@ sq_prepare (sqlite3 *dbh,
static ssize_t
sqlite_plugin_put (void *cls,
const struct GNUNET_HashCode *key,
+ uint32_t xor_distance,
size_t size,
const char *data,
enum GNUNET_BLOCK_Type type,
@@ -132,60 +174,48 @@ sqlite_plugin_put (void *cls,
const struct GNUNET_PeerIdentity *path_info)
{
struct Plugin *plugin = cls;
- sqlite3_stmt *stmt;
- int64_t dval;
+ uint32_t type32 = type;
+ struct GNUNET_SQ_QueryParam params[] = {
+ GNUNET_SQ_query_param_uint32 (&type32),
+ GNUNET_SQ_query_param_absolute_time (&discard_time),
+ GNUNET_SQ_query_param_auto_from_type (key),
+ GNUNET_SQ_query_param_uint32 (&xor_distance),
+ GNUNET_SQ_query_param_fixed_size (data, size),
+ GNUNET_SQ_query_param_fixed_size (path_info,
+ path_info_len * sizeof (struct GNUNET_PeerIdentity)),
+ GNUNET_SQ_query_param_end
+ };
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Processing PUT of %u bytes with key `%4s' and expiration %s\n",
+ "Processing PUT of %u bytes with key `%s' and expiration %s\n",
(unsigned int) size,
GNUNET_h2s (key),
- GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_remaining (discard_time), GNUNET_YES));
- dval = (int64_t) discard_time.abs_value_us;
- if (dval < 0)
- dval = INT64_MAX;
- if (sq_prepare
- (plugin->dbh,
- "INSERT INTO ds090 (type, expire, key, value, path) VALUES (?, ?, ?, ?, ?)",
- &stmt) != SQLITE_OK)
- {
- LOG_SQLITE (plugin->dbh,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sq_prepare");
- return -1;
- }
- if ((SQLITE_OK != sqlite3_bind_int (stmt, 1, type)) ||
- (SQLITE_OK != sqlite3_bind_int64 (stmt, 2, dval)) ||
- (SQLITE_OK !=
- sqlite3_bind_blob (stmt, 3,
- key, sizeof (struct GNUNET_HashCode),
- SQLITE_TRANSIENT)) ||
- (SQLITE_OK != sqlite3_bind_blob (stmt, 4,
- data, size,
- SQLITE_TRANSIENT)) ||
- (SQLITE_OK != sqlite3_bind_blob (stmt, 5,
- path_info,
- path_info_len * sizeof (struct GNUNET_PeerIdentity),
- SQLITE_TRANSIENT)))
+ GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_remaining (discard_time),
+ GNUNET_YES));
+ if (GNUNET_OK !=
+ GNUNET_SQ_bind (plugin->insert_stmt,
+ params))
{
LOG_SQLITE (plugin->dbh,
GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
"sqlite3_bind_xxx");
- sqlite3_finalize (stmt);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->insert_stmt);
return -1;
}
- if (SQLITE_DONE != sqlite3_step (stmt))
+ if (SQLITE_DONE !=
+ sqlite3_step (plugin->insert_stmt))
{
LOG_SQLITE (plugin->dbh,
GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
"sqlite3_step");
- sqlite3_finalize (stmt);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->insert_stmt);
return -1;
}
plugin->num_items++;
- if (SQLITE_OK != sqlite3_finalize (stmt))
- LOG_SQLITE (plugin->dbh,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_finalize");
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->insert_stmt);
return size + OVERHEAD;
}
@@ -209,120 +239,119 @@ sqlite_plugin_get (void *cls,
void *iter_cls)
{
struct Plugin *plugin = cls;
- sqlite3_stmt *stmt;
+ uint32_t type32 = type;
struct GNUNET_TIME_Absolute now;
struct GNUNET_TIME_Absolute exp;
- unsigned int size;
- const char *dat;
+ size_t size;
+ void *dat;
unsigned int cnt;
- unsigned int off;
+ uint32_t off;
unsigned int total;
- unsigned int psize;
- char scratch[256];
- int64_t ntime;
- const struct GNUNET_PeerIdentity *path;
+ size_t psize;
+ struct GNUNET_PeerIdentity *path;
+ struct GNUNET_SQ_QueryParam params_count[] = {
+ GNUNET_SQ_query_param_auto_from_type (key),
+ GNUNET_SQ_query_param_uint32 (&type32),
+ GNUNET_SQ_query_param_absolute_time (&now),
+ GNUNET_SQ_query_param_end
+ };
+ struct GNUNET_SQ_QueryParam params_select[] = {
+ GNUNET_SQ_query_param_auto_from_type (key),
+ GNUNET_SQ_query_param_uint32 (&type32),
+ GNUNET_SQ_query_param_absolute_time (&now),
+ GNUNET_SQ_query_param_uint32 (&off),
+ GNUNET_SQ_query_param_end
+ };
+ struct GNUNET_SQ_ResultSpec rs[] = {
+ GNUNET_SQ_result_spec_variable_size (&dat,
+ &size),
+ GNUNET_SQ_result_spec_absolute_time (&exp),
+ GNUNET_SQ_result_spec_variable_size ((void **) &path,
+ &psize),
+ GNUNET_SQ_result_spec_end
+ };
now = GNUNET_TIME_absolute_get ();
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Processing GET for key `%4s'\n",
+ "Processing GET for key `%s'\n",
GNUNET_h2s (key));
- if (sq_prepare
- (plugin->dbh,
- "SELECT count(*) FROM ds090 WHERE key=? AND type=? AND expire >= ?",
- &stmt) != SQLITE_OK)
- {
- LOG_SQLITE (plugin->dbh,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sq_prepare");
- return 0;
- }
- ntime = (int64_t) now.abs_value_us;
- GNUNET_assert (ntime >= 0);
- if ((SQLITE_OK !=
- sqlite3_bind_blob (stmt, 1, key, sizeof (struct GNUNET_HashCode),
- SQLITE_TRANSIENT)) ||
- (SQLITE_OK != sqlite3_bind_int (stmt, 2, type)) ||
- (SQLITE_OK != sqlite3_bind_int64 (stmt, 3, now.abs_value_us)))
+
+ if (GNUNET_OK !=
+ GNUNET_SQ_bind (plugin->get_count_stmt,
+ params_count))
{
LOG_SQLITE (plugin->dbh,
GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
"sqlite3_bind_xxx");
- sqlite3_finalize (stmt);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_count_stmt);
return 0;
}
-
- if (SQLITE_ROW != sqlite3_step (stmt))
+ if (SQLITE_ROW !=
+ sqlite3_step (plugin->get_count_stmt))
{
LOG_SQLITE (plugin->dbh, GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
"sqlite_step");
- sqlite3_finalize (stmt);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_count_stmt);
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "No content found when processing GET for key `%4s'\n",
+ "No content found when processing GET for key `%s'\n",
GNUNET_h2s (key));
return 0;
}
- total = sqlite3_column_int (stmt, 0);
- sqlite3_finalize (stmt);
- if ((0 == total) || (NULL == iter))
+ total = sqlite3_column_int (plugin->get_count_stmt,
+ 0);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_count_stmt);
+ if ( (0 == total) ||
+ (NULL == iter) )
{
if (0 == total)
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "No content found when processing GET for key `%4s'\n",
+ "No content found when processing GET for key `%s'\n",
GNUNET_h2s (key));
return total;
}
cnt = 0;
- off = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK, total);
+ off = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_WEAK,
+ total);
while (cnt < total)
{
off = (off + 1) % total;
- GNUNET_snprintf (scratch, sizeof (scratch),
- "SELECT value,expire,path FROM ds090 WHERE key=? AND type=? AND expire >= ? LIMIT 1 OFFSET %u",
- off);
- if (sq_prepare (plugin->dbh, scratch, &stmt) != SQLITE_OK)
- {
- LOG_SQLITE (plugin->dbh,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sq_prepare");
- return cnt;
- }
- if ((SQLITE_OK !=
- sqlite3_bind_blob (stmt, 1,
- key,
- sizeof (struct GNUNET_HashCode),
- SQLITE_TRANSIENT)) ||
- (SQLITE_OK != sqlite3_bind_int (stmt, 2, type)) ||
- (SQLITE_OK != sqlite3_bind_int64 (stmt, 3, now.abs_value_us)))
+ if (GNUNET_OK !=
+ GNUNET_SQ_bind (plugin->get_stmt,
+ params_select))
{
LOG_SQLITE (plugin->dbh,
GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
"sqlite3_bind_xxx");
- sqlite3_finalize (stmt);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_stmt);
return cnt;
}
- if (sqlite3_step (stmt) != SQLITE_ROW)
+ if (SQLITE_ROW !=
+ sqlite3_step (plugin->get_stmt))
+ break;
+ if (GNUNET_OK !=
+ GNUNET_SQ_extract_result (plugin->get_stmt,
+ rs))
+ {
+ GNUNET_break (0);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_stmt);
break;
- size = sqlite3_column_bytes (stmt, 0);
- dat = sqlite3_column_blob (stmt, 0);
- exp.abs_value_us = sqlite3_column_int64 (stmt, 1);
- psize = sqlite3_column_bytes (stmt, 2);
+ }
if (0 != psize % sizeof (struct GNUNET_PeerIdentity))
{
GNUNET_break (0);
psize = 0;
+ path = NULL;
}
psize /= sizeof (struct GNUNET_PeerIdentity);
- if (0 != psize)
- path = sqlite3_column_blob (stmt, 2);
- else
- path = NULL;
- ntime = (int64_t) exp.abs_value_us;
- if (ntime == INT64_MAX)
- exp = GNUNET_TIME_UNIT_FOREVER_ABS;
cnt++;
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Found %u-byte result when processing GET for key `%4s'\n",
+ "Found %u-byte result when processing GET for key `%s'\n",
(unsigned int) size,
GNUNET_h2s (key));
if (GNUNET_OK != iter (iter_cls,
@@ -334,11 +363,17 @@ sqlite_plugin_get (void *cls,
psize,
path))
{
- sqlite3_finalize (stmt);
+ GNUNET_SQ_cleanup_result (rs);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_stmt);
break;
}
- sqlite3_finalize (stmt);
+ GNUNET_SQ_cleanup_result (rs);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_stmt);
}
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_stmt);
return cnt;
}
@@ -354,79 +389,99 @@ static int
sqlite_plugin_del (void *cls)
{
struct Plugin *plugin = cls;
- unsigned long long rowid;
- unsigned int dsize;
- sqlite3_stmt *stmt;
- sqlite3_stmt *dstmt;
+ uint64_t rowid;
+ void *data;
+ size_t dsize;
struct GNUNET_HashCode hc;
+ struct GNUNET_TIME_Absolute now;
+ struct GNUNET_SQ_ResultSpec rs[] = {
+ GNUNET_SQ_result_spec_uint64 (&rowid),
+ GNUNET_SQ_result_spec_auto_from_type (&hc),
+ GNUNET_SQ_result_spec_variable_size ((void **) &data,
+ &dsize),
+ GNUNET_SQ_result_spec_end
+ };
+ struct GNUNET_SQ_QueryParam params[] = {
+ GNUNET_SQ_query_param_uint64 (&rowid),
+ GNUNET_SQ_query_param_end
+ };
+ struct GNUNET_SQ_QueryParam time_params[] = {
+ GNUNET_SQ_query_param_absolute_time (&now),
+ GNUNET_SQ_query_param_end
+ };
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Processing DEL\n");
- stmt = NULL;
- dstmt = NULL;
- if (SQLITE_OK !=
- sq_prepare (plugin->dbh,
- "SELECT _ROWID_,key,value FROM ds090 ORDER BY expire ASC LIMIT 1",
- &stmt))
- {
- LOG_SQLITE (plugin->dbh,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sq_prepare");
- if (stmt != NULL)
- (void) sqlite3_finalize (stmt);
- return GNUNET_SYSERR;
- }
- if (SQLITE_ROW != sqlite3_step (stmt))
+ now = GNUNET_TIME_absolute_get ();
+ if (GNUNET_OK !=
+ GNUNET_SQ_bind (plugin->del_expired_stmt,
+ time_params))
{
LOG_SQLITE (plugin->dbh,
GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_step");
- (void) sqlite3_finalize (stmt);
+ "sqlite3_bind");
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->del_expired_stmt);
return GNUNET_SYSERR;
}
- rowid = sqlite3_column_int64 (stmt, 0);
- GNUNET_assert (sqlite3_column_bytes (stmt, 1) == sizeof (struct GNUNET_HashCode));
- GNUNET_memcpy (&hc, sqlite3_column_blob (stmt, 1), sizeof (struct GNUNET_HashCode));
- dsize = sqlite3_column_bytes (stmt, 2);
- if (SQLITE_OK != sqlite3_finalize (stmt))
- LOG_SQLITE (plugin->dbh,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_step");
- if (SQLITE_OK !=
- sq_prepare (plugin->dbh,
- "DELETE FROM ds090 WHERE _ROWID_=?", &dstmt))
+ if ( (SQLITE_ROW !=
+ sqlite3_step (plugin->del_expired_stmt)) ||
+ (GNUNET_OK !=
+ GNUNET_SQ_extract_result (plugin->del_expired_stmt,
+ rs)) )
{
- LOG_SQLITE (plugin->dbh,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sq_prepare");
- if (stmt != NULL)
- (void) sqlite3_finalize (stmt);
- return GNUNET_SYSERR;
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->del_expired_stmt);
+ if (SQLITE_ROW !=
+ sqlite3_step (plugin->del_select_stmt))
+ {
+ LOG_SQLITE (plugin->dbh,
+ GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sqlite3_step");
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->del_select_stmt);
+ return GNUNET_SYSERR;
+ }
+ if (GNUNET_OK !=
+ GNUNET_SQ_extract_result (plugin->del_select_stmt,
+ rs))
+ {
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->del_select_stmt);
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
+ }
}
- if (SQLITE_OK != sqlite3_bind_int64 (dstmt, 1, rowid))
+ GNUNET_SQ_cleanup_result (rs);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->del_select_stmt);
+ if (GNUNET_OK !=
+ GNUNET_SQ_bind (plugin->del_stmt,
+ params))
{
LOG_SQLITE (plugin->dbh,
GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
"sqlite3_bind");
- (void) sqlite3_finalize (dstmt);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->del_stmt);
return GNUNET_SYSERR;
}
- if (SQLITE_DONE != sqlite3_step (dstmt))
+ if (SQLITE_DONE !=
+ sqlite3_step (plugin->del_stmt))
{
LOG_SQLITE (plugin->dbh,
GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
"sqlite3_step");
- (void) sqlite3_finalize (dstmt);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->del_stmt);
return GNUNET_SYSERR;
}
plugin->num_items--;
plugin->env->delete_notify (plugin->env->cls,
&hc,
dsize + OVERHEAD);
- if (SQLITE_OK != sqlite3_finalize (dstmt))
- LOG_SQLITE (plugin->dbh,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sqlite3_finalize");
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->del_stmt);
return GNUNET_OK;
}
@@ -445,17 +500,28 @@ sqlite_plugin_get_random (void *cls,
void *iter_cls)
{
struct Plugin *plugin = cls;
- sqlite3_stmt *stmt;
struct GNUNET_TIME_Absolute exp;
- unsigned int size;
- const char *dat;
- unsigned int off;
- unsigned int psize;
- unsigned int type;
- char scratch[256];
- int64_t ntime;
- const struct GNUNET_PeerIdentity *path;
- const struct GNUNET_HashCode *key;
+ size_t size;
+ void *dat;
+ uint32_t off;
+ size_t psize;
+ uint32_t type;
+ struct GNUNET_PeerIdentity *path;
+ struct GNUNET_HashCode key;
+ struct GNUNET_SQ_QueryParam params[] = {
+ GNUNET_SQ_query_param_uint32 (&off),
+ GNUNET_SQ_query_param_end
+ };
+ struct GNUNET_SQ_ResultSpec rs[] = {
+ GNUNET_SQ_result_spec_variable_size (&dat,
+ &size),
+ GNUNET_SQ_result_spec_absolute_time (&exp),
+ GNUNET_SQ_result_spec_variable_size ((void **) &path,
+ &psize),
+ GNUNET_SQ_result_spec_auto_from_type (&key),
+ GNUNET_SQ_result_spec_uint32 (&type),
+ GNUNET_SQ_result_spec_end
+ };
if (0 == plugin->num_items)
return 0;
@@ -463,60 +529,51 @@ sqlite_plugin_get_random (void *cls,
return 1;
off = GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_NONCE,
plugin->num_items);
- GNUNET_snprintf (scratch,
- sizeof (scratch),
- "SELECT value,expire,path,key,type FROM ds090 ORDER BY key LIMIT 1 OFFSET %u",
- off);
- if (SQLITE_OK !=
- sq_prepare (plugin->dbh, scratch, &stmt))
+ if (GNUNET_OK !=
+ GNUNET_SQ_bind (plugin->get_random_stmt,
+ params))
{
- LOG_SQLITE (plugin->dbh,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sq_prepare");
return 0;
}
- if (SQLITE_ROW != sqlite3_step (stmt))
+ if (SQLITE_ROW !=
+ sqlite3_step (plugin->get_random_stmt))
+ {
+ GNUNET_break (0);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_random_stmt);
+ return 0;
+ }
+ if (GNUNET_OK !=
+ GNUNET_SQ_extract_result (plugin->get_random_stmt,
+ rs))
{
GNUNET_break (0);
- sqlite3_finalize (stmt);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_random_stmt);
return 0;
}
- size = sqlite3_column_bytes (stmt, 0);
- dat = sqlite3_column_blob (stmt, 0);
- exp.abs_value_us = sqlite3_column_int64 (stmt, 1);
- psize = sqlite3_column_bytes (stmt, 2);
if (0 != psize % sizeof (struct GNUNET_PeerIdentity))
{
GNUNET_break (0);
psize = 0;
+ path = NULL;
}
psize /= sizeof (struct GNUNET_PeerIdentity);
- if (0 != psize)
- path = sqlite3_column_blob (stmt, 2);
- else
- path = NULL;
-
- GNUNET_assert (sizeof (struct GNUNET_HashCode) ==
- sqlite3_column_bytes (stmt, 3));
- key = sqlite3_column_blob (stmt, 3);
- type = sqlite3_column_int (stmt, 4);
-
- ntime = (int64_t) exp.abs_value_us;
- if (ntime == INT64_MAX)
- exp = GNUNET_TIME_UNIT_FOREVER_ABS;
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Found %u-byte result with key %s when processing GET-RANDOM\n",
(unsigned int) size,
- GNUNET_h2s (key));
+ GNUNET_h2s (&key));
(void) iter (iter_cls,
- key,
+ &key,
size,
dat,
- type,
+ (enum GNUNET_BLOCK_Type) type,
exp,
psize,
path);
- sqlite3_finalize (stmt);
+ GNUNET_SQ_cleanup_result (rs);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_random_stmt);
return 1;
}
@@ -542,83 +599,73 @@ sqlite_plugin_get_closest (void *cls,
void *iter_cls)
{
struct Plugin *plugin = cls;
- sqlite3_stmt *stmt;
+ uint32_t num_results32 = num_results;
struct GNUNET_TIME_Absolute now;
struct GNUNET_TIME_Absolute exp;
- unsigned int size;
- const char *dat;
+ size_t size;
+ void *dat;
unsigned int cnt;
- unsigned int psize;
- unsigned int type;
- int64_t ntime;
- const struct GNUNET_PeerIdentity *path;
+ size_t psize;
+ uint32_t type;
+ struct GNUNET_HashCode hc;
+ struct GNUNET_PeerIdentity *path;
+ struct GNUNET_SQ_QueryParam params[] = {
+ GNUNET_SQ_query_param_auto_from_type (key),
+ GNUNET_SQ_query_param_absolute_time (&now),
+ GNUNET_SQ_query_param_uint32 (&num_results32),
+ GNUNET_SQ_query_param_end
+ };
+ struct GNUNET_SQ_ResultSpec rs[] = {
+ GNUNET_SQ_result_spec_variable_size (&dat,
+ &size),
+ GNUNET_SQ_result_spec_absolute_time (&exp),
+ GNUNET_SQ_result_spec_variable_size ((void **) &path,
+ &psize),
+ GNUNET_SQ_result_spec_uint32 (&type),
+ GNUNET_SQ_result_spec_auto_from_type (&hc),
+ GNUNET_SQ_result_spec_end
+ };
now = GNUNET_TIME_absolute_get ();
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Processing GET_CLOSEST for key `%4s'\n",
+ "Processing GET_CLOSEST for key `%s'\n",
GNUNET_h2s (key));
- if (SQLITE_OK !=
- sq_prepare (plugin->dbh,
- "SELECT value,expire,path,type,key FROM ds090 WHERE key>=? AND expire >= ? ORDER BY KEY ASC LIMIT ?",
- &stmt))
- {
- LOG_SQLITE (plugin->dbh,
- GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "sq_prepare");
- return 0;
- }
- ntime = (int64_t) now.abs_value_us;
- GNUNET_assert (ntime >= 0);
- if ((SQLITE_OK !=
- sqlite3_bind_blob (stmt,
- 1,
- key,
- sizeof (struct GNUNET_HashCode),
- SQLITE_TRANSIENT)) ||
- (SQLITE_OK != sqlite3_bind_int64 (stmt, 2, now.abs_value_us)) ||
- (SQLITE_OK != sqlite3_bind_int (stmt, 3, num_results)) )
+ if (GNUNET_OK !=
+ GNUNET_SQ_bind (plugin->get_closest_stmt,
+ params))
{
LOG_SQLITE (plugin->dbh,
GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
"sqlite3_bind_xxx");
- sqlite3_finalize (stmt);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_closest_stmt);
return 0;
}
cnt = 0;
- while (SQLITE_ROW == sqlite3_step (stmt))
+ while (SQLITE_ROW ==
+ sqlite3_step (plugin->get_closest_stmt))
{
- if (sizeof (struct GNUNET_HashCode) !=
- sqlite3_column_bytes (stmt, 4))
+ if (GNUNET_OK !=
+ GNUNET_SQ_extract_result (plugin->get_closest_stmt,
+ rs))
{
GNUNET_break (0);
break;
}
- size = sqlite3_column_bytes (stmt, 0);
- dat = sqlite3_column_blob (stmt, 0);
- exp.abs_value_us = sqlite3_column_int64 (stmt, 1);
- psize = sqlite3_column_bytes (stmt, 2);
- type = sqlite3_column_int (stmt, 3);
- key = sqlite3_column_blob (stmt, 4);
if (0 != psize % sizeof (struct GNUNET_PeerIdentity))
{
GNUNET_break (0);
psize = 0;
+ path = NULL;
}
psize /= sizeof (struct GNUNET_PeerIdentity);
- if (0 != psize)
- path = sqlite3_column_blob (stmt, 2);
- else
- path = NULL;
- ntime = (int64_t) exp.abs_value_us;
- if (ntime == INT64_MAX)
- exp = GNUNET_TIME_UNIT_FOREVER_ABS;
cnt++;
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Found %u-byte result at %s when processing GET_CLOSE\n",
(unsigned int) size,
- GNUNET_h2s (key));
+ GNUNET_h2s (&hc));
if (GNUNET_OK != iter (iter_cls,
- key,
+ &hc,
size,
dat,
type,
@@ -626,11 +673,13 @@ sqlite_plugin_get_closest (void *cls,
psize,
path))
{
- sqlite3_finalize (stmt);
+ GNUNET_SQ_cleanup_result (rs);
break;
}
+ GNUNET_SQ_cleanup_result (rs);
}
- sqlite3_finalize (stmt);
+ GNUNET_SQ_reset (plugin->dbh,
+ plugin->get_closest_stmt);
return cnt;
}
@@ -692,17 +741,72 @@ libgnunet_plugin_datacache_sqlite_init (void *cls)
SQLITE3_EXEC (dbh, "PRAGMA sqlite_temp_store=3");
SQLITE3_EXEC (dbh,
- "CREATE TABLE ds090 (" " type INTEGER NOT NULL DEFAULT 0,"
- " expire INTEGER NOT NULL DEFAULT 0,"
+ "CREATE TABLE ds091 ("
+ " type INTEGER NOT NULL DEFAULT 0,"
+ " expire INTEGER NOT NULL,"
" key BLOB NOT NULL DEFAULT '',"
- " value BLOB NOT NULL DEFAULT '',"
+ " prox INTEGER NOT NULL,"
+ " value BLOB NOT NULL,"
" path BLOB DEFAULT '')");
- SQLITE3_EXEC (dbh, "CREATE INDEX idx_hashidx ON ds090 (key,type,expire)");
- SQLITE3_EXEC (dbh, "CREATE INDEX idx_expire ON ds090 (expire)");
+ SQLITE3_EXEC (dbh, "CREATE INDEX idx_hashidx ON ds091 (key,type,expire)");
+ SQLITE3_EXEC (dbh, "CREATE INDEX idx_prox_expire ON ds091 (prox,expire)");
+ SQLITE3_EXEC (dbh, "CREATE INDEX idx_expire_only ON ds091 (expire)");
plugin = GNUNET_new (struct Plugin);
plugin->env = env;
plugin->dbh = dbh;
plugin->fn = fn_utf8;
+
+ if ( (SQLITE_OK !=
+ sq_prepare (plugin->dbh,
+ "INSERT INTO ds091 (type, expire, key, prox, value, path) "
+ "VALUES (?, ?, ?, ?, ?, ?)",
+ &plugin->insert_stmt)) ||
+ (SQLITE_OK !=
+ sq_prepare (plugin->dbh,
+ "SELECT count(*) FROM ds091 "
+ "WHERE key=? AND type=? AND expire >= ?",
+ &plugin->get_count_stmt)) ||
+ (SQLITE_OK !=
+ sq_prepare (plugin->dbh,
+ "SELECT value,expire,path FROM ds091"
+ " WHERE key=? AND type=? AND expire >= ? LIMIT 1 OFFSET ?",
+ &plugin->get_stmt)) ||
+ (SQLITE_OK !=
+ sq_prepare (plugin->dbh,
+ "SELECT _ROWID_,key,value FROM ds091"
+ " WHERE expire < ?"
+ " ORDER BY expire ASC LIMIT 1",
+ &plugin->del_expired_stmt)) ||
+ (SQLITE_OK !=
+ sq_prepare (plugin->dbh,
+ "SELECT _ROWID_,key,value FROM ds091"
+ " ORDER BY prox ASC, expire ASC LIMIT 1",
+ &plugin->del_select_stmt)) ||
+ (SQLITE_OK !=
+ sq_prepare (plugin->dbh,
+ "DELETE FROM ds091 WHERE _ROWID_=?",
+ &plugin->del_stmt)) ||
+ (SQLITE_OK !=
+ sq_prepare (plugin->dbh,
+ "SELECT value,expire,path,key,type FROM ds091 "
+ "ORDER BY key LIMIT 1 OFFSET ?",
+ &plugin->get_random_stmt)) ||
+ (SQLITE_OK !=
+ sq_prepare (plugin->dbh,
+ "SELECT value,expire,path,type,key FROM ds091 "
+ "WHERE key>=? AND expire >= ? ORDER BY KEY ASC LIMIT ?",
+ &plugin->get_closest_stmt))
+ )
+ {
+ LOG_SQLITE (plugin->dbh,
+ GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "sq_prepare");
+ GNUNET_break (SQLITE_OK ==
+ sqlite3_close (plugin->dbh));
+ GNUNET_free (plugin);
+ return NULL;
+ }
+
api = GNUNET_new (struct GNUNET_DATACACHE_PluginFunctions);
api->cls = plugin;
api->get = &sqlite_plugin_get;
@@ -741,6 +845,14 @@ libgnunet_plugin_datacache_sqlite_done (void *cls)
plugin->fn);
GNUNET_free_non_null (plugin->fn);
#endif
+ sqlite3_finalize (plugin->insert_stmt);
+ sqlite3_finalize (plugin->get_count_stmt);
+ sqlite3_finalize (plugin->get_stmt);
+ sqlite3_finalize (plugin->del_select_stmt);
+ sqlite3_finalize (plugin->del_expired_stmt);
+ sqlite3_finalize (plugin->del_stmt);
+ sqlite3_finalize (plugin->get_random_stmt);
+ sqlite3_finalize (plugin->get_closest_stmt);
result = sqlite3_close (plugin->dbh);
#if SQLITE_VERSION_NUMBER >= 3007000
if (SQLITE_BUSY == result)