diff options
Diffstat (limited to 'src/namestore/plugin_namestore_postgres.c')
| -rw-r--r-- | src/namestore/plugin_namestore_postgres.c | 677 |
1 files changed, 677 insertions, 0 deletions
diff --git a/src/namestore/plugin_namestore_postgres.c b/src/namestore/plugin_namestore_postgres.c new file mode 100644 index 0000000..3cddc95 --- /dev/null +++ b/src/namestore/plugin_namestore_postgres.c @@ -0,0 +1,677 @@ + /* + * This file is part of GNUnet + * (C) 2009, 2011, 2012 Christian Grothoff (and other contributing authors) + * + * 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 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. + * + * 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., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + */ + +/** + * @file namestore/plugin_namestore_postgres.c + * @brief postgres-based namestore backend + * @author Christian Grothoff + */ + +#include "platform.h" +#include "gnunet_namestore_plugin.h" +#include "gnunet_namestore_service.h" +#include "gnunet_postgres_lib.h" +#include "namestore.h" + + +/** + * After how many ms "busy" should a DB operation fail for good? + * A low value makes sure that we are more responsive to requests + * (especially PUTs). A high value guarantees a higher success + * rate (SELECTs in iterate can take several seconds despite LIMIT=1). + * + * The default value of 1s should ensure that users do not experience + * huge latencies while at the same time allowing operations to succeed + * with reasonable probability. + */ +#define BUSY_TIMEOUT_MS 1000 + + +/** + * Log an error message at log-level 'level' that indicates + * a failure of the command 'cmd' on file 'filename' + * with the message given by strerror(errno). + */ +#define LOG_POSTGRES(db, level, cmd) do { GNUNET_log_from (level, "namestore-postgres", _("`%s' failed at %s:%d with error: %s\n"), cmd, __FILE__, __LINE__, sqlite3_errmsg(db->dbh)); } while(0) + +#define LOG(kind,...) GNUNET_log_from (kind, "namestore-postgres", __VA_ARGS__) + + +/** + * Context for all functions in this plugin. + */ +struct Plugin +{ + + const struct GNUNET_CONFIGURATION_Handle *cfg; + + /** + * Native Postgres database handle. + */ + PGconn *dbh; + +}; + + +/** + * Create our database indices. + * + * @param dbh handle to the database + */ +static void +create_indices (PGconn * dbh) +{ + /* create indices */ + if ( (GNUNET_OK != + GNUNET_POSTGRES_exec (dbh, "CREATE INDEX ir_zone_name_rv ON ns091records (zone_hash,record_name_hash,rvalue)")) || + (GNUNET_OK != + GNUNET_POSTGRES_exec (dbh, "CREATE INDEX ir_zone_delegation ON ns091records (zone_hash,zone_delegation)")) || + (GNUNET_OK != + GNUNET_POSTGRES_exec (dbh, "CREATE INDEX ir_zone_rv ON ns091records (zone_hash,rvalue)")) || + (GNUNET_OK != + GNUNET_POSTGRES_exec (dbh, "CREATE INDEX ir_zone ON ns091records (zone_hash)")) || + (GNUNET_OK != + GNUNET_POSTGRES_exec (dbh, "CREATE INDEX ir_name_rv ON ns091records (record_name_hash,rvalue)")) || + (GNUNET_OK != + GNUNET_POSTGRES_exec (dbh, "CREATE INDEX ir_rv ON ns091records (rvalue)")) ) + LOG (GNUNET_ERROR_TYPE_ERROR, + _("Failed to create indices\n")); +} + + +/** + * Initialize the database connections and associated + * data structures (create tables and indices + * as needed as well). + * + * @param plugin the plugin context (state for this module) + * @return GNUNET_OK on success + */ +static int +database_setup (struct Plugin *plugin) +{ + PGresult *res; + + plugin->dbh = GNUNET_POSTGRES_connect (plugin->cfg, + "namestore-postgres"); + if (NULL == plugin->dbh) + return GNUNET_SYSERR; + if (GNUNET_YES == + GNUNET_CONFIGURATION_get_value_yesno (plugin->cfg, + "namestore-postgres", + "TEMPORARY_TABLE")) + { + res = + PQexec (plugin->dbh, + "CREATE TEMPORARY TABLE ns091records (" + " zone_key BYTEA NOT NULL DEFAULT ''," + " zone_delegation BYTEA NOT NULL DEFAULT ''," + " zone_hash BYTEA NOT NULL DEFAULT ''," + " record_count INTEGER NOT NULL DEFAULT 0," + " record_data BYTEA NOT NULL DEFAULT ''," + " block_expiration_time BIGINT NOT NULL DEFAULT 0," + " signature BYTEA NOT NULL DEFAULT ''," + " record_name TEXT NOT NULL DEFAULT ''," + " record_name_hash BYTEA NOT NULL DEFAULT ''," + " rvalue BIGINT NOT NULL DEFAULT 0" + ")" "WITH OIDS"); + } + else + res = + PQexec (plugin->dbh, + "CREATE TABLE ns091records (" + " zone_key BYTEA NOT NULL DEFAULT ''," + " zone_delegation BYTEA NOT NULL DEFAULT ''," + " zone_hash BYTEA NOT NULL DEFAULT ''," + " record_count INTEGER NOT NULL DEFAULT 0," + " record_data BYTEA NOT NULL DEFAULT ''," + " block_expiration_time BIGINT NOT NULL DEFAULT 0," + " signature BYTEA NOT NULL DEFAULT ''," + " record_name TEXT NOT NULL DEFAULT ''," + " record_name_hash BYTEA NOT NULL DEFAULT ''," + " rvalue BIGINT NOT NULL DEFAULT 0" + ")" "WITH OIDS"); + + if ((NULL == res) || ((PQresultStatus (res) != PGRES_COMMAND_OK) && (0 != strcmp ("42P07", /* duplicate table */ + PQresultErrorField + (res, + PG_DIAG_SQLSTATE))))) + { + (void) GNUNET_POSTGRES_check_result (plugin->dbh, res, PGRES_COMMAND_OK, "CREATE TABLE", + "ns091records"); + PQfinish (plugin->dbh); + plugin->dbh = NULL; + return GNUNET_SYSERR; + } + if (PQresultStatus (res) == PGRES_COMMAND_OK) + create_indices (plugin->dbh); + PQclear (res); + + if ((GNUNET_OK != + GNUNET_POSTGRES_prepare (plugin->dbh, + "put_records", + "INSERT INTO ns091records (zone_key, record_name, record_count, record_data, block_expiration_time, signature" + ", zone_delegation, zone_hash, record_name_hash, rvalue) VALUES " + "($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)", 10)) || + (GNUNET_OK != + GNUNET_POSTGRES_prepare (plugin->dbh, + "remove_records", + "DELETE FROM ns091records WHERE zone_hash=$1 AND record_name_hash=$2", 2)) || + (GNUNET_OK != + GNUNET_POSTGRES_prepare (plugin->dbh, + "iterate_records", + "SELECT zone_key, record_name, record_count, record_data, block_expiration_time, signature" + " FROM ns091records WHERE zone_hash=$1 AND record_name_hash=$2 ORDER BY rvalue LIMIT 1 OFFSET $3", 3)) || + (GNUNET_OK != + GNUNET_POSTGRES_prepare (plugin->dbh, + "iterate_by_zone", + "SELECT zone_key, record_name, record_count, record_data, block_expiration_time, signature" + " FROM ns091records WHERE zone_hash=$1 ORDER BY rvalue LIMIT 1 OFFSET $2", 2)) || + (GNUNET_OK != + GNUNET_POSTGRES_prepare (plugin->dbh, + "iterate_by_name", + "SELECT zone_key, record_name, record_count, record_data, block_expiration_time, signature" + " FROM ns091records WHERE record_name_hash=$1 ORDER BY rvalue LIMIT 1 OFFSET $2", 2)) || + (GNUNET_OK != + GNUNET_POSTGRES_prepare (plugin->dbh, + "iterate_all", + "SELECT zone_key, record_name, record_count, record_data, block_expiration_time, signature" + " FROM ns091records ORDER BY rvalue LIMIT 1 OFFSET $1", 1)) || + (GNUNET_OK != + GNUNET_POSTGRES_prepare (plugin->dbh, + "zone_to_name", + "SELECT zone_key, record_name, record_count, record_data, block_expiration_time, signature" + " FROM ns091records WHERE zone_hash=$1 AND zone_delegation=$2", 2)) || + (GNUNET_OK != + GNUNET_POSTGRES_prepare (plugin->dbh, + "delete_zone", + "DELETE FROM ns091records WHERE zone_hash=$1", 1))) + { + PQfinish (plugin->dbh); + plugin->dbh = NULL; + return GNUNET_SYSERR; + } + return GNUNET_OK; +} + + +/** + * Removes any existing record in the given zone with the same name. + * + * @param cls closure (internal context for the plugin) + * @param zone hash of the public key of the zone + * @param name name to remove (at most 255 characters long) + * @return GNUNET_OK on success + */ +static int +namestore_postgres_remove_records (void *cls, + const struct GNUNET_CRYPTO_ShortHashCode *zone, + const char *name) +{ + struct Plugin *plugin = cls; + PGresult *ret; + struct GNUNET_CRYPTO_ShortHashCode nh; + const char *paramValues[] = { + (const char *) zone, + (const char *) &nh + }; + int paramLengths[] = { + sizeof (struct GNUNET_CRYPTO_ShortHashCode), + sizeof (struct GNUNET_CRYPTO_ShortHashCode) + }; + const int paramFormats[] = { 1, 1 }; + size_t name_len; + + name_len = strlen (name); + GNUNET_CRYPTO_short_hash (name, name_len, &nh); + ret = + PQexecPrepared (plugin->dbh, "remove_records", 2, paramValues, paramLengths, + paramFormats, 1); + if (GNUNET_OK != + GNUNET_POSTGRES_check_result (plugin->dbh, ret, PGRES_COMMAND_OK, "PQexecPrepared", "remove_records")) + return GNUNET_SYSERR; + PQclear (ret); + return GNUNET_OK; +} + + +/** + * Store a record in the datastore. Removes any existing record in the + * same zone with the same name. + * + * @param cls closure (internal context for the plugin) + * @param zone_key public key of the zone + * @param expire when does the corresponding block in the DHT expire (until + * when should we never do a DHT lookup for the same name again)? + * @param name name that is being mapped (at most 255 characters long) + * @param rd_count number of entries in 'rd' array + * @param rd array of records with data to store + * @param signature signature of the record block, NULL if signature is unavailable (i.e. + * because the user queried for a particular record type only) + * @return GNUNET_OK on success, else GNUNET_SYSERR + */ +static int +namestore_postgres_put_records (void *cls, + const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key, + struct GNUNET_TIME_Absolute expire, + const char *name, + unsigned int rd_count, + const struct GNUNET_NAMESTORE_RecordData *rd, + const struct GNUNET_CRYPTO_RsaSignature *signature) +{ + struct Plugin *plugin = cls; + PGresult *ret; + struct GNUNET_CRYPTO_ShortHashCode zone; + struct GNUNET_CRYPTO_ShortHashCode zone_delegation; + struct GNUNET_CRYPTO_ShortHashCode nh; + size_t name_len; + uint64_t rvalue; + size_t data_size; + unsigned int i; + + GNUNET_CRYPTO_short_hash (zone_key, + sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), + &zone); + (void) namestore_postgres_remove_records (plugin, &zone, name); + name_len = strlen (name); + GNUNET_CRYPTO_short_hash (name, name_len, &nh); + memset (&zone_delegation, 0, sizeof (zone_delegation)); + for (i=0;i<rd_count;i++) + if (rd[i].record_type == GNUNET_NAMESTORE_TYPE_PKEY) + { + GNUNET_assert (sizeof (struct GNUNET_CRYPTO_ShortHashCode) == rd[i].data_size); + memcpy (&zone_delegation, + rd[i].data, + sizeof (struct GNUNET_CRYPTO_ShortHashCode)); + break; + } + rvalue = GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK, UINT64_MAX); + data_size = GNUNET_NAMESTORE_records_get_size (rd_count, rd); + if (data_size > 64 * 65536) + { + GNUNET_break (0); + return GNUNET_SYSERR; + } + { + char data[data_size]; + uint64_t expire_be = GNUNET_htonll (expire.abs_value); + uint64_t rvalue_be = GNUNET_htonll (rvalue); + uint32_t rd_count_be = htonl ((uint32_t) rd_count); + const char *paramValues[] = { + (const char *) zone_key, + (const char *) name, + (const char *) &rd_count_be, + (const char *) data, + (const char *) &expire_be, + (const char *) signature, + (const char *) &zone_delegation, + (const char *) &zone, + (const char *) &nh, + (const char *) &rvalue_be + }; + int paramLengths[] = { + sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), + name_len, + sizeof (uint32_t), + data_size, + sizeof (uint64_t), + sizeof (struct GNUNET_CRYPTO_RsaSignature), + sizeof (struct GNUNET_CRYPTO_ShortHashCode), + sizeof (struct GNUNET_CRYPTO_ShortHashCode), + sizeof (struct GNUNET_CRYPTO_ShortHashCode), + sizeof (uint64_t) + }; + const int paramFormats[] = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }; + + if (data_size != GNUNET_NAMESTORE_records_serialize (rd_count, rd, + data_size, data)) + { + GNUNET_break (0); + return GNUNET_SYSERR; + } + ret = + PQexecPrepared (plugin->dbh, "put_records", 10, paramValues, paramLengths, + paramFormats, 1); + if (GNUNET_OK != + GNUNET_POSTGRES_check_result (plugin->dbh, ret, PGRES_COMMAND_OK, "PQexecPrepared", "put_records")) + return GNUNET_SYSERR; + PQclear (ret); + } + return GNUNET_OK; +} + + +/** + * The given 'postgres' result was obtained from the database. + * Parse the record and give it to the iterator. + * + * @param plugin plugin context + * @param stmt_name name of the prepared statement that was executed + * @param res result from postgres to interpret (and then clean up) + * @param iter iterator to call with the result + * @param iter_cls closure for 'iter' + * @return GNUNET_OK on success, GNUNET_NO if there were no results, GNUNET_SYSERR on error + * 'iter' will have been called unless the return value is 'GNUNET_SYSERR' + */ +static int +get_record_and_call_iterator (struct Plugin *plugin, + const char *stmt_name, + PGresult *res, + GNUNET_NAMESTORE_RecordIterator iter, void *iter_cls) +{ + unsigned int record_count; + size_t data_size; + const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key; + const struct GNUNET_CRYPTO_RsaSignature *sig; + struct GNUNET_TIME_Absolute expiration; + const char *data; + const char *name; + unsigned int cnt; + size_t name_len; + + if (GNUNET_OK != + GNUNET_POSTGRES_check_result (plugin->dbh, res, PGRES_TUPLES_OK, "PQexecPrepared", + stmt_name)) + { + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Ending iteration (postgres error)\n"); + return GNUNET_SYSERR; + } + + if (0 == (cnt = PQntuples (res))) + { + /* no result */ + LOG (GNUNET_ERROR_TYPE_DEBUG, + "Ending iteration (no more results)\n"); + PQclear (res); + iter (iter_cls, NULL, GNUNET_TIME_UNIT_ZERO_ABS, NULL, 0, NULL, NULL); + return GNUNET_NO; + } + GNUNET_assert (1 == cnt); + if ((6 != PQnfields (res)) || + (sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded) != PQgetlength (res, 0, 0)) || + (sizeof (uint32_t) != PQfsize (res, 2)) || + (sizeof (uint64_t) != PQfsize (res, 4)) || + (sizeof (struct GNUNET_CRYPTO_RsaSignature) != PQgetlength (res, 0, 5))) + { + GNUNET_break (0); + PQclear (res); + return GNUNET_SYSERR; + } + zone_key = (const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *) PQgetvalue (res, 0, 0); + name = PQgetvalue (res, 0, 1); + name_len = PQgetlength (res, 0, 1); + record_count = ntohl (*(uint32_t *) PQgetvalue (res, 0, 2)); + data_size = PQgetlength (res, 0, 3); + data = PQgetvalue (res, 0, 3); + expiration.abs_value = + GNUNET_ntohll (*(uint64_t *) PQgetvalue (res, 0, 4)); + sig = (const struct GNUNET_CRYPTO_RsaSignature*) PQgetvalue (res, 0, 5); + if (record_count > 64 * 1024) + { + /* sanity check, don't stack allocate far too much just + because database might contain a large value here */ + GNUNET_break (0); + PQclear (res); + return GNUNET_SYSERR; + } + { + struct GNUNET_NAMESTORE_RecordData rd[record_count]; + char buf[name_len + 1]; + + memcpy (buf, name, name_len); + buf[name_len] = '\0'; + if (GNUNET_OK != + GNUNET_NAMESTORE_records_deserialize (data_size, data, + record_count, rd)) + { + GNUNET_break (0); + PQclear (res); + return GNUNET_SYSERR; + } + iter (iter_cls, zone_key, expiration, buf, + record_count, rd, sig); + } + PQclear (res); + return GNUNET_OK; +} + + +/** + * Iterate over the results for a particular key and zone in the + * datastore. Will return at most one result to the iterator. + * + * @param cls closure (internal context for the plugin) + * @param zone hash of public key of the zone, NULL to iterate over all zones + * @param name name as string, NULL to iterate over all records of the zone + * @param offset offset in the list of all matching records + * @param iter function to call with the result + * @param iter_cls closure for iter + * @return GNUNET_OK on success, GNUNET_NO if there were no results, GNUNET_SYSERR on error + * 'iter' will have been called unless the return value is 'GNUNET_SYSERR' + */ +static int +namestore_postgres_iterate_records (void *cls, + const struct GNUNET_CRYPTO_ShortHashCode *zone, + const char *name, + uint64_t offset, + GNUNET_NAMESTORE_RecordIterator iter, void *iter_cls) +{ + struct Plugin *plugin = cls; + const char *stmt_name; + struct GNUNET_CRYPTO_ShortHashCode name_hase; + uint64_t offset_be = GNUNET_htonll (offset); + const char *paramValues[] = { + (const char *) zone, + (const char *) &name_hase, + (const char *) &offset_be, + (const char *) zone, + (const char *) &offset_be, + }; + int paramLengths[] = { + sizeof (struct GNUNET_CRYPTO_ShortHashCode), + sizeof (struct GNUNET_CRYPTO_ShortHashCode), + sizeof (uint64_t), + sizeof (struct GNUNET_CRYPTO_ShortHashCode), + sizeof (uint64_t) + }; + const int paramFormats[] = { 1, 1, 1, 1, 1 }; + unsigned int num_params; + unsigned int first_param; + PGresult *res; + + if (NULL == zone) + if (NULL == name) + { + stmt_name = "iterate_all"; + num_params = 1; + first_param = 2; + } + else + { + GNUNET_CRYPTO_short_hash (name, strlen(name), &name_hase); + stmt_name = "iterate_by_name"; + num_params = 2; + first_param = 1; + } + else + if (NULL == name) + { + stmt_name = "iterate_by_zone"; + num_params = 2; + first_param = 3; + } + else + { + GNUNET_CRYPTO_short_hash (name, strlen(name), &name_hase); + stmt_name = "iterate_records"; + num_params = 3; + first_param = 0; + } + res = + PQexecPrepared (plugin->dbh, stmt_name, num_params, + ¶mValues[first_param], + ¶mLengths[first_param], + ¶mFormats[first_param], 1); + return get_record_and_call_iterator (plugin, stmt_name, res, iter, iter_cls); +} + + +/** + * Look for an existing PKEY delegation record for a given public key. + * Returns at most one result to the iterator. + * + * @param cls closure (internal context for the plugin) + * @param zone hash of public key of the zone to look up in, never NULL + * @param value_zone hash of the public key of the target zone (value), never NULL + * @param iter function to call with the result + * @param iter_cls closure for iter + * @return GNUNET_OK on success, GNUNET_NO if there were no results, GNUNET_SYSERR on error + * 'iter' will have been called unless the return value is 'GNUNET_SYSERR' + */ +static int +namestore_postgres_zone_to_name (void *cls, + const struct GNUNET_CRYPTO_ShortHashCode *zone, + const struct GNUNET_CRYPTO_ShortHashCode *value_zone, + GNUNET_NAMESTORE_RecordIterator iter, void *iter_cls) +{ + struct Plugin *plugin = cls; + const char *paramValues[] = { + (const char *) zone, + (const char *) value_zone + }; + int paramLengths[] = { + sizeof (struct GNUNET_CRYPTO_ShortHashCode), + sizeof (struct GNUNET_CRYPTO_ShortHashCode) + }; + const int paramFormats[] = { 1, 1 }; + PGresult *res; + + res = + PQexecPrepared (plugin->dbh, "zone_to_name", 2, + paramValues, paramLengths, paramFormats, 1); + return get_record_and_call_iterator (plugin, "zone_to_name", res, iter, iter_cls); +} + + +/** + * Delete an entire zone (all records). Not used in normal operation. + * + * @param cls closure (internal context for the plugin) + * @param zone zone to delete + */ +static void +namestore_postgres_delete_zone (void *cls, + const struct GNUNET_CRYPTO_ShortHashCode *zone) +{ + struct Plugin *plugin = cls; + PGresult *ret; + const char *paramValues[] = { + (const char *) zone, + }; + int paramLengths[] = { + sizeof (struct GNUNET_CRYPTO_ShortHashCode) + }; + const int paramFormats[] = { 1 }; + + ret = + PQexecPrepared (plugin->dbh, "delete_zone", 1, paramValues, paramLengths, + paramFormats, 1); + if (GNUNET_OK != + GNUNET_POSTGRES_check_result (plugin->dbh, ret, PGRES_COMMAND_OK, "PQexecPrepared", "delete_zone")) + { + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Deleting zone failed!\n"); + return; + } + PQclear (ret); +} + + +/** + * Shutdown database connection and associate data + * structures. + * + * @param plugin the plugin context (state for this module) + */ +static void +database_shutdown (struct Plugin *plugin) +{ + PQfinish (plugin->dbh); + plugin->dbh = NULL; +} + + +/** + * Entry point for the plugin. + * + * @param cls the "struct GNUNET_NAMESTORE_PluginEnvironment*" + * @return NULL on error, othrewise the plugin context + */ +void * +libgnunet_plugin_namestore_postgres_init (void *cls) +{ + static struct Plugin plugin; + const struct GNUNET_CONFIGURATION_Handle *cfg = cls; + struct GNUNET_NAMESTORE_PluginFunctions *api; + + if (NULL != plugin.cfg) + return NULL; /* can only initialize once! */ + memset (&plugin, 0, sizeof (struct Plugin)); + plugin.cfg = cfg; + if (GNUNET_OK != database_setup (&plugin)) + { + database_shutdown (&plugin); + return NULL; + } + api = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_PluginFunctions)); + api->cls = &plugin; + api->put_records = &namestore_postgres_put_records; + api->remove_records = &namestore_postgres_remove_records; + api->iterate_records = &namestore_postgres_iterate_records; + api->zone_to_name = &namestore_postgres_zone_to_name; + api->delete_zone = &namestore_postgres_delete_zone; + LOG (GNUNET_ERROR_TYPE_INFO, + _("Postgres database running\n")); + return api; +} + + +/** + * Exit point from the plugin. + * + * @param cls the plugin context (as returned by "init") + * @return always NULL + */ +void * +libgnunet_plugin_namestore_postgres_done (void *cls) +{ + struct GNUNET_NAMESTORE_PluginFunctions *api = cls; + struct Plugin *plugin = api->cls; + + database_shutdown (plugin); + plugin->cfg = NULL; + GNUNET_free (api); + LOG (GNUNET_ERROR_TYPE_DEBUG, + "postgres plugin is finished\n"); + return NULL; +} + +/* end of plugin_namestore_postgres.c */ |