/*
This file is part of GNUnet
- (C) 2008--2014 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2008--2014 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
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.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @file testbed/generate-underlay-topology.c
* @brief Program to generate a database file containing given underlay topology
- * @author Sree Harsha Totakura <sreeharsha@totakura.in>
+ * @author Sree Harsha Totakura <sreeharsha@totakura.in>
*/
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_testbed_service.h"
#include "testbed_api_topology.h"
+#include "sqlite3.h"
#define LOG(type, ...) \
GNUNET_log (type, __VA_ARGS__)
#define LOG_ERROR(...) \
LOG (GNUNET_ERROR_TYPE_ERROR, __VA_ARGS__)
+/**
+ * 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_SQLITE(db, msg, level, cmd) \
+ do { \
+ GNUNET_log_from (level, "sqlite", _("`%s' failed at %s:%d with error: %s\n"), \
+ cmd, __FILE__,__LINE__, sqlite3_errmsg(db)); \
+ if (msg != NULL) \
+ GNUNET_asprintf(msg, _("`%s' failed at %s:%u with error: %s"), cmd, \
+ __FILE__, __LINE__, sqlite3_errmsg(db)); \
+ } while(0)
+
+
+/**
+ * Handle to the sqlite3 database
+ */
+static struct sqlite3 *db;
+
+/**
+ * Prepared statement for inserting link values into db
+ */
+struct sqlite3_stmt *stmt_insert;
/**
* The topology to generate
/**
* The number of peers to include in the topology
*/
-static int num_peers;
+static unsigned int num_peers;
/**
* program result
unsigned int latency,
unsigned int loss)
{
- GNUNET_break (0);
+ if ( (SQLITE_OK != sqlite3_bind_int (stmt_insert, 1, A)) ||
+ (SQLITE_OK != sqlite3_bind_int (stmt_insert, 2, B)) ||
+ (SQLITE_OK != sqlite3_bind_int (stmt_insert, 3, bandwidth)) ||
+ (SQLITE_OK != sqlite3_bind_int (stmt_insert, 4, latency)) ||
+ (SQLITE_OK != sqlite3_bind_int (stmt_insert, 5, loss)) )
+ {
+ LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_bind_int");
+ return GNUNET_SYSERR;
+ }
+ if (SQLITE_DONE != sqlite3_step (stmt_insert))
+ {
+ LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_step");
+ return GNUNET_SYSERR;
+ }
+ FPRINTF (stdout, "%u -> %u\n", A, B);
+ GNUNET_break (SQLITE_OK == sqlite3_reset (stmt_insert));
+ //GNUNET_break (SQLITE_OK == sqlite3_clear_bindings (stmt_insert));
+ if ( (SQLITE_OK != sqlite3_bind_int (stmt_insert, 1, B)) ||
+ (SQLITE_OK != sqlite3_bind_int (stmt_insert, 2, A)) )
+ {
+ LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_bind_int");
+ return GNUNET_SYSERR;
+ }
+ if (SQLITE_DONE != sqlite3_step (stmt_insert))
+ {
+ LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_step");
+ return GNUNET_SYSERR;
+ }
+ FPRINTF (stdout, "%u -> %u\n", B, A);
+ GNUNET_break (SQLITE_OK == sqlite3_reset (stmt_insert));
return GNUNET_OK;
}
+/**
+ * Open the database file, creating a new database if not existing and setup the
+ * whitelist table
+ *
+ * @param dbfile the database filename
+ * @return GNUNET_OK upon success; GNUNET_SYSERR upon failure (error message has
+ * to be printed)
+ */
+static int
+setup_db (const char *dbfile)
+{
+ const char *query_create =
+ "CREATE TABLE whitelist ("
+ "id INTEGER,"
+ "oid INTEGER,"
+ "bandwidth INTEGER DEFAULT NULL,"
+ "latency INTEGER DEFAULT NULL,"
+ "loss INTEGER DEFAULT NULL,"
+ " UNIQUE ("
+ " id,"
+ " oid"
+ " ) ON CONFLICT IGNORE"
+ ");";
+ const char *query_insert =
+ "INSERT INTO whitelist("
+ " id,"
+ " oid,"
+ " bandwidth,"
+ " latency,"
+ " loss"
+ ") VALUES ("
+ " ?1,"
+ " ?2,"
+ " ?3,"
+ " ?4,"
+ " ?5);";
+ int ret;
+
+ ret = GNUNET_SYSERR;
+ if (SQLITE_OK != sqlite3_open (dbfile, &db))
+ {
+ LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_open");
+ goto err_ret;
+ }
+ if (0 != sqlite3_exec (db, query_create, NULL, NULL, NULL))
+ {
+ LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_exec");
+ FPRINTF (stderr, "Error: %d. Perhaps the database `%s' already exits.\n",
+ sqlite3_errcode (db),
+ dbfile);
+ goto err_ret;
+ }
+ GNUNET_break (0 == sqlite3_exec (db, "PRAGMA synchronous = 0;", NULL, NULL, NULL));
+ if (SQLITE_OK != sqlite3_prepare_v2 (db, query_insert, -1,
+ &stmt_insert, NULL))
+ {
+ LOG_SQLITE (db, NULL, GNUNET_ERROR_TYPE_ERROR, "sqlite3_prepare_v2");
+ goto err_ret;
+ }
+ ret = GNUNET_OK;
+
+ err_ret:
+ return ret;
+}
+
+
/**
* Main run function.
*
unsigned int argc;
argc = 0;
+ arg_uint1 = 0; /* make compilers happy */
+ arg_uint2 = 0; /* make compilers happy */
if (NULL == args)
{
- LOG_ERROR (_("Need atleast 2 arguments\n"));
+ LOG_ERROR (_("Need at least 2 arguments\n"));
return;
}
if (NULL == (dbfile = args[argc++]))
LOG_ERROR (_("Database filename missing\n"));
return;
}
+ if (GNUNET_OK != setup_db (dbfile))
+ return;
if (NULL == (topology_string = args[argc++]))
{
LOG_ERROR (_("Topology string missing\n"));
LOG_ERROR (_("Invalid topology: %s\n"), topology_string);
return;
}
+ arg_str1 = NULL;
/* parse for first TOPOOPT. This can either be arg_uint1 or arg_str1 */
switch (topology)
{
}
break;
default:
- GNUNET_assert (0);
+ break;
}
/* parse for second TOPOOPT. Only required for SCALE_FREE topology */
switch (topology)
}
break;
default:
- GNUNET_assert (0);
+ break;
}
/* contruct topologies */
switch (topology)
{
case GNUNET_TESTBED_TOPOLOGY_LINE:
case GNUNET_TESTBED_TOPOLOGY_RING:
+ case GNUNET_TESTBED_TOPOLOGY_STAR:
case GNUNET_TESTBED_TOPOLOGY_CLIQUE:
case GNUNET_TESTBED_TOPOLOGY_2D_TORUS:
GNUNET_TESTBED_underlay_construct_ (num_peers, link_processor, NULL,
main (int argc, char *const argv[])
{
struct GNUNET_GETOPT_CommandLineOption option[] = {
+
+ GNUNET_GETOPT_option_uint ('p',
+ "num-peers",
+ "COUNT",
+ gettext_noop ("create COUNT number of peers"),
+ &num_peers),
GNUNET_GETOPT_OPTION_END
};
+
int ret;
-
+
exit_result = GNUNET_SYSERR;
ret =
GNUNET_PROGRAM_run (argc, argv, "gnunet-underlay-topology",
"\t filename: the path of the file which contains topology information\n"
"NOTE: the format of the above file is descibed here: https://www.gnunet.org/content/topology-file-format\n"),
option, &run, NULL);
+ if (NULL != stmt_insert)
+ sqlite3_finalize (stmt_insert);
+ if (NULL != db)
+ GNUNET_break (SQLITE_OK == sqlite3_close (db));
if ((GNUNET_OK != ret) || (GNUNET_OK != exit_result))
return 1;
return 0;
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