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testconfdb.c
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/*
* Copyright (c) 2008, 2009 Red Hat Inc
*
* All rights reserved.
*
* Author: Christine Caulfield <ccaulfie@redhat.com>
*
* This software licensed under BSD license, the text of which follows:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name of the MontaVista Software, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <sys/un.h>
#include <corosync/corotypes.h>
#include <corosync/confdb.h>
#define INCDEC_VALUE 45
/* Callbacks are not supported yet */
confdb_callbacks_t callbacks = {
.confdb_key_change_notify_fn = NULL,
.confdb_object_create_change_notify_fn = NULL,
.confdb_object_delete_change_notify_fn = NULL
};
/* Recursively dump the object tree */
static void print_config_tree(confdb_handle_t handle, hdb_handle_t parent_object_handle, int depth)
{
hdb_handle_t object_handle;
char object_name[1024];
size_t object_name_len;
char key_name[1024];
size_t key_name_len;
char key_value[1024];
size_t key_value_len;
int res;
int i;
/* Show the keys */
res = confdb_key_iter_start(handle, parent_object_handle);
if (res != CS_OK) {
printf( "error resetting key iterator for object "HDB_X_FORMAT": %d\n", parent_object_handle, res);
return;
}
while ( (res = confdb_key_iter(handle, parent_object_handle, key_name, &key_name_len,
key_value, &key_value_len)) == CS_OK) {
key_name[key_name_len] = '\0';
key_value[key_value_len] = '\0';
for (i=0; i<depth; i++) printf(" ");
printf(" KEY %s=%s\n", key_name, key_value);
}
/* Show sub-objects */
res = confdb_object_iter_start(handle, parent_object_handle);
if (res != CS_OK) {
printf( "error resetting object iterator for object "HDB_X_FORMAT": %d\n", parent_object_handle, res);
return;
}
while ( (res = confdb_object_iter(handle, parent_object_handle, &object_handle, object_name, &object_name_len)) == CS_OK) {
hdb_handle_t parent;
res = confdb_object_parent_get(handle, object_handle, &parent);
if (res != CS_OK) {
printf( "error getting parent for object "HDB_X_FORMAT": %d\n", object_handle, res);
return;
}
for (i=0; i<depth; i++) printf(" ");
object_name[object_name_len] = '\0';
printf("OBJECT: %s ("HDB_X_FORMAT", parent: "HDB_X_FORMAT")\n", object_name, object_handle, parent);
/* Down we go ... */
print_config_tree(handle, object_handle, depth+1);
}
}
static void do_write_tests(confdb_handle_t handle)
{
int res;
unsigned int incdec_value;
hdb_handle_t object_handle;
char error_string[1024];
/* Add a scratch object and put some keys into it */
res = confdb_object_create(handle, OBJECT_PARENT_HANDLE, "testconfdb", strlen("testconfdb"), &object_handle);
if (res != CS_OK) {
printf( "error creating 'testconfdb' object: %d\n", res);
return;
}
res = confdb_key_create(handle, object_handle, "testkey", strlen("testkey"), "one", strlen("one"));
if (res != CS_OK) {
printf( "error creating 'testconfdb' key 1: %d\n", res);
return;
}
res = confdb_key_create(handle, object_handle, "testkey", strlen("testkey"), "two", strlen("two"));
if (res != CS_OK) {
printf( "error creating 'testconfdb' key 2: %d\n", res);
return;
}
res = confdb_key_create(handle, object_handle, "grot", strlen("grot"), "perrins", strlen("perrins"));
if (res != CS_OK) {
printf( "error creating 'testconfdb' key 3: %d\n", res);
return;
}
res = confdb_key_replace(handle, object_handle, "testkey", strlen("testkey"), "two", strlen("two"),
"newtwo", strlen("newtwo"));
if (res != CS_OK) {
printf( "error replace 'testconfdb' key 2: %d\n", res);
return;
}
/* Print it for verification */
print_config_tree(handle, object_handle, 0);
incdec_value = INCDEC_VALUE;
res = confdb_key_create(handle, object_handle, "incdec", strlen("incdec"), &incdec_value, sizeof(incdec_value));
if (res != CS_OK) {
printf( "error creating 'testconfdb' key 4: %d\n", res);
return;
}
res = confdb_key_increment(handle, object_handle, "incdec", strlen("incdec"), &incdec_value);
if (res != CS_OK) {
printf( "error incrementing 'testconfdb' key 4: %d\n", res);
return;
}
if (incdec_value == INCDEC_VALUE+1)
printf("incremented value = %d\n", incdec_value);
else
printf("ERROR: incremented value = %d (should be %d)\n", incdec_value, INCDEC_VALUE+1);
res = confdb_key_decrement(handle, object_handle, "incdec", strlen("incdec"), &incdec_value);
if (res != CS_OK) {
printf( "error decrementing 'testconfdb' key 4: %d\n", res);
return;
}
if (incdec_value == INCDEC_VALUE)
printf("decremented value = %d\n", incdec_value);
else
printf("ERROR: decremented value = %d (should be %d)\n", incdec_value, INCDEC_VALUE);
printf("-------------------------\n");
/* Remove it.
Check that it doesn't exist when the full tree dump runs next */
res = confdb_object_destroy(handle, object_handle);
if (res != CS_OK) {
printf( "error destroying 'testconfdb' object: %d\n", res);
return;
}
res = confdb_write(handle, error_string, sizeof error_string);
printf("confdb_write returned %d: %s\n", res, error_string);
}
int main (int argc, char *argv[]) {
confdb_handle_t handle;
int result;
hdb_handle_t totem_handle;
char key_value[256];
size_t value_len;
result = confdb_initialize (&handle, &callbacks);
if (result != CS_OK) {
printf ("Could not initialize Cluster Configuration Database API instance error %d\n", result);
exit (1);
}
if (argv[1] && strcmp(argv[1], "write")==0)
do_write_tests(handle);
if (argv[1] && strcmp(argv[1], "reload")==0) {
/* Test reload interface */
result = confdb_reload(handle, 0, key_value, sizeof key_value);
printf ("Try to reload the config (noflush): %d (should be 1)\n", result);
result = confdb_reload(handle, 1, key_value, sizeof key_value);
printf ("Try to reload the config (flush): %d (should be 1)\n", result);
}
/* Test iterators */
print_config_tree(handle, OBJECT_PARENT_HANDLE, 0);
/* Find "totem" and dump bits of it again, to test the direct APIs */
result = confdb_object_find_start(handle, OBJECT_PARENT_HANDLE);
if (result != CS_OK) {
printf ("Could not start object_find %d\n", result);
exit (1);
}
result = confdb_object_find(handle, OBJECT_PARENT_HANDLE, "totem", strlen("totem"), &totem_handle);
if (result != CS_OK) {
printf ("Could not object_find \"totem\": %d\n", result);
exit (1);
}
result = confdb_key_get(handle, totem_handle, "version", strlen("version"), key_value, &value_len);
if (result != CS_OK) {
printf ("Could not get \"version\" key: %d\n", result);
exit (1);
}
key_value[value_len] = '\0';
printf("totem/version = '%s'\n", key_value);
result = confdb_key_get(handle, totem_handle, "secauth", strlen("secauth"), key_value, &value_len);
if (result != CS_OK) {
printf ("Could not get \"secauth\" key: %d\n", result);
exit (1);
}
key_value[value_len] = '\0';
printf("totem/secauth = '%s'\n", key_value);
/* Try a call that fails */
result = confdb_key_get(handle, totem_handle, "grot", strlen("grot"), key_value, &value_len);
printf ("Get \"grot\" key returned: %d (should fail)\n", result);
result = confdb_finalize (handle);
printf ("Finalize result is %d (should be 1)\n", result);
return (0);
}
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