#include <tests/replication.h>
#include <tests/debug.h>
+#include "tests/libmemcached-1.0/setup_and_teardowns.h"
+
+test_return_t check_replication_sanity_TEST(memcached_st *memc)
+{
+ test_true(memc);
+ test_compare(uint64_t(1),
+ memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL));
+
+ /*
+ * Make sure that we store the item on all servers
+ * (master + replicas == number of servers)
+ */
+ test_compare(memcached_behavior_get(memc, MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS), uint64_t(memcached_server_count(memc) - 1));
+
+ return TEST_SUCCESS;
+}
+
test_return_t replication_set_test(memcached_st *memc)
{
- memcached_return_t rc;
memcached_st *memc_clone= memcached_clone(NULL, memc);
- memcached_behavior_set(memc_clone, MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS, 0);
+ test_true(memc_clone);
+ test_compare(MEMCACHED_SUCCESS,
+ memcached_behavior_set(memc_clone, MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS, 0));
test_compare(MEMCACHED_SUCCESS,
memcached_set(memc, "bubba", 5, "0", 1, 0, 0));
const char key[2]= { (char)x, 0 };
size_t len;
uint32_t flags;
+ memcached_return_t rc;
char *val= memcached_get_by_key(memc_clone, key, 1, "bubba", 5,
&len, &flags, &rc);
test_compare(MEMCACHED_SUCCESS, rc);
test_return_t replication_get_test(memcached_st *memc)
{
- memcached_return_t rc;
/*
* Don't do the following in your code. I am abusing the internal details
const char key[2]= { (char)x, 0 };
size_t len;
uint32_t flags;
+ memcached_return_t rc;
char *val= memcached_get_by_key(memc_clone, key, 1, "bubba", 5,
&len, &flags, &rc);
- test_true(rc == MEMCACHED_SUCCESS);
- test_true(val != NULL);
+ test_compare(MEMCACHED_SUCCESS, rc);
+ test_true(val);
free(val);
}
test_return_t replication_mget_test(memcached_st *memc)
{
- memcached_return_t rc;
memcached_st *memc_clone= memcached_clone(NULL, memc);
- memcached_behavior_set(memc_clone, MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS, 0);
+ test_true(memc_clone);
+ test_compare(MEMCACHED_SUCCESS,
+ memcached_behavior_set(memc_clone, MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS, 0));
const char *keys[]= { "bubba", "key1", "key2", "key3" };
size_t len[]= { 5, 4, 4, 4 };
for (size_t x= 0; x< 4; ++x)
{
- rc= memcached_set(memc, keys[x], len[x], "0", 1, 0, 0);
- test_true(rc == MEMCACHED_SUCCESS);
+ test_compare(MEMCACHED_SUCCESS, memcached_set(memc, keys[x], len[x], "0", 1, 0, 0));
}
/*
{
char key[2]= { (char)x, 0 };
- rc= memcached_mget_by_key(new_clone, key, 1, keys, len, 4);
- test_true(rc == MEMCACHED_SUCCESS);
+ test_compare(MEMCACHED_SUCCESS,
+ memcached_mget_by_key(new_clone, key, 1, keys, len, 4));
memcached_result_st *results= memcached_result_create(new_clone, &result_obj);
test_true(results);
int hits= 0;
+ memcached_return_t rc;
while ((results= memcached_fetch_result(new_clone, &result_obj, &rc)) != NULL)
{
hits++;
}
- test_true(hits == 4);
+ test_compare(4, hits);
memcached_result_free(&result_obj);
}
test_return_t replication_randomize_mget_test(memcached_st *memc)
{
memcached_result_st result_obj;
- memcached_return_t rc;
memcached_st *memc_clone= memcached_clone(NULL, memc);
memcached_behavior_set(memc_clone, MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS, 3);
memcached_behavior_set(memc_clone, MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ, 1);
for (size_t x= 0; x< 7; ++x)
{
- rc= memcached_set(memc, keys[x], len[x], "1", 1, 0, 0);
- test_true(rc == MEMCACHED_SUCCESS);
+ test_compare(MEMCACHED_SUCCESS,
+ memcached_set(memc, keys[x], len[x], "1", 1, 0, 0));
}
memcached_quit(memc);
test_true(results);
int hits= 0;
+ memcached_return_t rc;
while ((results= memcached_fetch_result(memc_clone, &result_obj, &rc)) != NULL)
{
++hits;
memcached_result_free(&result_obj);
}
memcached_free(memc_clone);
+
return TEST_SUCCESS;
}
memcached_st *memc_replicated= memcached_clone(NULL, memc_just_cloned);
const char *keys[]= { "bubba", "key1", "key2", "key3", "key4" };
- test_true(memcached_behavior_get(memc_replicated, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL));
+ test_compare(uint64_t(1), memcached_behavior_get(memc_replicated, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL));
test_compare(MEMCACHED_SUCCESS, memcached_behavior_set(memc_replicated, MEMCACHED_BEHAVIOR_RANDOMIZE_REPLICA_READ, false));
// Make one copy
for (int x= int(MEMCACHED_SUCCESS); x < int(MEMCACHED_MAXIMUM_RETURN); ++x)
{
const char *key= memcached_strerror(NULL, memcached_return_t(x));
- memcached_return_t rc;
uint32_t flags;
size_t value_length;
+ memcached_return_t rc;
char *value= memcached_get(memc_clone, key, strlen(key), &value_length, &flags, &rc);
- test_true(rc == MEMCACHED_SUCCESS);
+ test_compare(MEMCACHED_SUCCESS, rc);
test_compare(strlen(key), value_length);
test_strcmp(key, value);
free(value);
memcached_free(memc_clone);
return TEST_SUCCESS;
}
+
+/* Test that single miss does not cause replica reads to fail */
+test_return_t replication_miss_test(memcached_st *memc)
+{
+ test_skip(true, false);
+
+ memcached_st *memc_repl= memcached_clone(NULL, memc);
+ test_true(memc_repl);
+ memcached_st *memc_single= memcached_clone(NULL, memc);
+ test_true(memc_single);
+
+ const char *value = "my_value";
+ size_t vlen;
+ uint32_t flags;
+
+ /* this test makes sense only with 2 or more servers */
+ test_true(memcached_server_count(memc_repl) > 1);
+
+ /* Consistent hash */
+ test_compare(MEMCACHED_SUCCESS,
+ memcached_behavior_set_distribution(memc_repl, MEMCACHED_DISTRIBUTION_CONSISTENT));
+ test_compare(MEMCACHED_SUCCESS,
+ memcached_behavior_set_distribution(memc_single, MEMCACHED_DISTRIBUTION_CONSISTENT));
+
+ /* The first clone writes to all servers */
+ test_compare(MEMCACHED_SUCCESS,
+ memcached_behavior_set(memc_repl, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, true));
+ test_compare(MEMCACHED_SUCCESS,
+ memcached_behavior_set(memc_repl, MEMCACHED_BEHAVIOR_NUMBER_OF_REPLICAS,
+ memcached_server_count(memc_repl)));
+
+ /* Write to servers */
+ {
+ memcached_return_t rc= memcached_set(memc_repl,
+ test_literal_param(__func__),
+ value, strlen(value),
+ time_t(1200), uint32_t(0));
+ test_true(rc == MEMCACHED_SUCCESS or rc == MEMCACHED_BUFFERED);
+ }
+
+ /* Use the second clone to remove the key from primary server.
+ This should remove the key from only one server */
+ {
+ memcached_return_t rc= memcached_delete(memc_single,
+ test_literal_param(__func__),
+ 0);
+ test_true(rc == MEMCACHED_SUCCESS or rc == MEMCACHED_BUFFERED);
+ }
+
+ /* Remove the server where the key was deleted */
+ {
+#if 0
+ memcached_return_t rc;
+ const memcached_server_st *instance= memcached_server_by_key(memc_single,
+ test_literal_param(__func__),
+ &rc);
+ test_compare(MEMCACHED_SUCCESS, rc);
+ test_compare(MEMCACHED_SUCCESS,
+ memcached_server_remove(instance));
+#endif
+ }
+
+ /* Test that others still have it */
+ {
+ memcached_return_t rc;
+ char *get_value= memcached_get(memc_single,
+ test_literal_param(__func__),
+ &vlen, &flags, &rc);
+ test_true(rc == MEMCACHED_SUCCESS or rc == MEMCACHED_BUFFERED);
+ test_true(get_value and strcmp(get_value, value) == 0);
+ free(get_value);
+ }
+
+ /* This read should still return the value as we have it on other servers */
+ {
+ memcached_return_t rc;
+ char *get_value= memcached_get(memc_repl,
+ test_literal_param(__func__),
+ &vlen, &flags, &rc);
+ test_true(rc == MEMCACHED_SUCCESS || rc == MEMCACHED_BUFFERED);
+ test_true(get_value and strcmp(get_value, value) == 0);
+ free(get_value);
+ }
+
+ memcached_free(memc_repl);
+ memcached_free(memc_single);
+
+ return TEST_SUCCESS;
+}