From: Sree Harsha Totakura <totakura@in.tum.de>
Date: Tue, 7 Jan 2014 09:31:13 +0000 (+0000)
Subject: - use asynchronous to speedup sqlite db writes
X-Git-Tag: initial-import-from-subversion-38251~5123
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=0da95dcf912658ec3e4385c8969f43f666c0e27d;p=oweals%2Fgnunet.git

- use asynchronous to speedup sqlite db writes
---

diff --git a/src/testbed/generate-underlay-topology.c b/src/testbed/generate-underlay-topology.c
index 4299795a5..985c8e32e 100644
--- a/src/testbed/generate-underlay-topology.c
+++ b/src/testbed/generate-underlay-topology.c
@@ -149,24 +149,21 @@ setup_db (const char *dbfile)
       " ?3,"
       " ?4," 
       " ?5);";
-  struct sqlite3_stmt *stmt_create;
   int ret;
   
-  stmt_create = NULL;
   if (SQLITE_OK != (ret = sqlite3_open (dbfile, &db)))
   {
     LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_open");
     goto err_ret;
   }
-  if (SQLITE_OK != (ret = sqlite3_prepare_v2 (db, query_create, -1,
-                                              &stmt_create, NULL)))
+  if (0 != sqlite3_exec (db, query_create, NULL, NULL, NULL))
   {
-    LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_prepare_v2");
+    LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_exec");
     goto err_ret;
   }
-  if (SQLITE_DONE != sqlite3_step (stmt_create))
+  if (0 != sqlite3_exec (db, "PRAGMA synchronous = 0;", NULL, NULL, NULL))
   {
-    LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_step");
+    LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_exec");
     goto err_ret;
   }
   if (SQLITE_OK != (ret = sqlite3_prepare_v2 (db, query_insert, -1,
@@ -177,8 +174,6 @@ setup_db (const char *dbfile)
   }
   
  err_ret:
-  if (NULL != stmt_create)
-    sqlite3_finalize (stmt_create);
   return (SQLITE_OK != ret) ? GNUNET_SYSERR : GNUNET_OK;
 }