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-rw-r--r--test/testmemcache.c626
1 files changed, 626 insertions, 0 deletions
diff --git a/test/testmemcache.c b/test/testmemcache.c
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+++ b/test/testmemcache.c
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+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "testutil.h"
+#include "apr.h"
+#include "apu.h"
+#include "apr_general.h"
+#include "apr_strings.h"
+#include "apr_hash.h"
+#include "apr_memcache.h"
+#include "apr_network_io.h"
+
+#if APR_HAVE_STDLIB_H
+#include <stdlib.h> /* for exit() */
+#endif
+
+#define HOST "localhost"
+#define PORT 11211
+
+/* the total number of items to use for set/get testing */
+#define TDATA_SIZE 3000
+
+/* some smaller subset of TDATA_SIZE used for multiget testing */
+#define TDATA_SET 100
+
+/* our custom hash function just returns this all the time */
+#define HASH_FUNC_RESULT 510
+
+/* all keys will be prefixed with this */
+const char prefix[] = "testmemcache";
+
+/* text for values we store */
+const char txt[] =
+"Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Duis at"
+"lacus in ligula hendrerit consectetuer. Vestibulum tristique odio"
+"iaculis leo. In massa arcu, ultricies a, laoreet nec, hendrerit non,"
+"neque. Nulla sagittis sapien ac risus. Morbi ligula dolor, vestibulum"
+"nec, viverra id, placerat dapibus, arcu. Curabitur egestas feugiat"
+"tellus. Donec dignissim. Nunc ante. Curabitur id lorem. In mollis"
+"tortor sit amet eros auctor dapibus. Proin nulla sem, tristique in,"
+"convallis id, iaculis feugiat cras amet.";
+
+/*
+ * this datatype is for our custom server determination function. this might
+ * be useful if you don't want to rely on simply hashing keys to determine
+ * where a key belongs, but instead want to write something fancy, or use some
+ * other kind of configuration data, i.e. a hash plus some data about a
+ * namespace, or whatever. see my_server_func, and test_memcache_user_funcs
+ * for the examples.
+ */
+typedef struct {
+ const char *someval;
+ apr_uint32_t which_server;
+} my_hash_server_baton;
+
+
+/* this could do something fancy and return some hash result.
+ * for simplicity, just return the same value, so we can test it later on.
+ * if you wanted to use some external hashing library or functions for
+ * consistent hashing, for example, this would be a good place to do it.
+ */
+static apr_uint32_t my_hash_func(void *baton, const char *data,
+ apr_size_t data_len)
+{
+
+ return HASH_FUNC_RESULT;
+}
+
+/*
+ * a fancy function to determine which server to use given some kind of data
+ * and a hash value. this example actually ignores the hash value itself
+ * and pulls some number from the *baton, which is a struct that has some
+ * kind of meaningful stuff in it.
+ */
+static apr_memcache_server_t *my_server_func(void *baton,
+ apr_memcache_t *mc,
+ const apr_uint32_t hash)
+{
+ apr_memcache_server_t *ms = NULL;
+ my_hash_server_baton *mhsb = (my_hash_server_baton *)baton;
+
+ if(mc->ntotal == 0) {
+ return NULL;
+ }
+
+ if(mc->ntotal < mhsb->which_server) {
+ return NULL;
+ }
+
+ ms = mc->live_servers[mhsb->which_server - 1];
+
+ return ms;
+}
+
+apr_uint16_t firsttime = 0;
+static int randval(apr_uint32_t high)
+{
+ apr_uint32_t i = 0;
+ double d = 0;
+
+ if (firsttime == 0) {
+ srand((unsigned) (getpid()));
+ firsttime = 1;
+ }
+
+ d = (double) rand() / ((double) RAND_MAX + 1);
+ i = (int) (d * (high - 0 + 1));
+
+ return i > 0 ? i : 1;
+}
+
+/*
+ * general test to make sure we can create the memcache struct and add
+ * some servers, but not more than we tell it we can add
+ */
+
+static void test_memcache_create(abts_case * tc, void *data)
+{
+ apr_pool_t *pool = p;
+ apr_status_t rv;
+ apr_memcache_t *memcache;
+ apr_memcache_server_t *server, *s;
+ apr_uint32_t max_servers = 10;
+ apr_uint32_t i;
+ apr_uint32_t hash;
+
+ rv = apr_memcache_create(pool, max_servers, 0, &memcache);
+ ABTS_ASSERT(tc, "memcache create failed", rv == APR_SUCCESS);
+
+ for (i = 1; i <= max_servers; i++) {
+ apr_port_t port;
+
+ port = PORT + i;
+ rv =
+ apr_memcache_server_create(pool, HOST, PORT + i, 0, 1, 1, 60, &server);
+ ABTS_ASSERT(tc, "server create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_add_server(memcache, server);
+ ABTS_ASSERT(tc, "server add failed", rv == APR_SUCCESS);
+
+ s = apr_memcache_find_server(memcache, HOST, port);
+ ABTS_PTR_EQUAL(tc, server, s);
+
+ rv = apr_memcache_disable_server(memcache, s);
+ ABTS_ASSERT(tc, "server disable failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_enable_server(memcache, s);
+ ABTS_ASSERT(tc, "server enable failed", rv == APR_SUCCESS);
+
+ hash = apr_memcache_hash(memcache, prefix, strlen(prefix));
+ ABTS_ASSERT(tc, "hash failed", hash > 0);
+
+ s = apr_memcache_find_server_hash(memcache, hash);
+ ABTS_PTR_NOTNULL(tc, s);
+ }
+
+ rv = apr_memcache_server_create(pool, HOST, PORT, 0, 1, 1, 60, &server);
+ ABTS_ASSERT(tc, "server create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_add_server(memcache, server);
+ ABTS_ASSERT(tc, "server add should have failed", rv != APR_SUCCESS);
+
+}
+
+/* install our own custom hashing and server selection routines. */
+
+static int create_test_hash(apr_pool_t *p, apr_hash_t *h)
+{
+ int i;
+
+ for (i = 0; i < TDATA_SIZE; i++) {
+ char *k, *v;
+
+ k = apr_pstrcat(p, prefix, apr_itoa(p, i), NULL);
+ v = apr_pstrndup(p, txt, randval((apr_uint32_t)strlen(txt)));
+
+ apr_hash_set(h, k, APR_HASH_KEY_STRING, v);
+ }
+
+ return i;
+}
+
+static void test_memcache_user_funcs(abts_case * tc, void *data)
+{
+ apr_pool_t *pool = p;
+ apr_status_t rv;
+ apr_memcache_t *memcache;
+ apr_memcache_server_t *found;
+ apr_uint32_t max_servers = 10;
+ apr_uint32_t hres;
+ apr_uint32_t i;
+ my_hash_server_baton *baton =
+ apr_pcalloc(pool, sizeof(my_hash_server_baton));
+
+ rv = apr_memcache_create(pool, max_servers, 0, &memcache);
+ ABTS_ASSERT(tc, "memcache create failed", rv == APR_SUCCESS);
+
+ /* as noted above, install our custom hash function, and call
+ * apr_memcache_hash. the return value should be our predefined number,
+ * and our function just ignores the other args, for simplicity.
+ */
+ memcache->hash_func = my_hash_func;
+
+ hres = apr_memcache_hash(memcache, "whatever", sizeof("whatever") - 1);
+ ABTS_INT_EQUAL(tc, HASH_FUNC_RESULT, hres);
+
+ /* add some servers */
+ for(i = 1; i <= 10; i++) {
+ apr_memcache_server_t *ms;
+
+ rv = apr_memcache_server_create(pool, HOST, i, 0, 1, 1, 60, &ms);
+ ABTS_ASSERT(tc, "server create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_add_server(memcache, ms);
+ ABTS_ASSERT(tc, "server add failed", rv == APR_SUCCESS);
+ }
+
+ /*
+ * set 'which_server' in our server_baton to find the third server
+ * which should have the same port.
+ */
+ baton->which_server = 3;
+ memcache->server_func = my_server_func;
+ memcache->server_baton = baton;
+ found = apr_memcache_find_server_hash(memcache, 0);
+ ABTS_ASSERT(tc, "wrong server found", found->port == baton->which_server);
+}
+
+/* test non data related commands like stats and version */
+static void test_memcache_meta(abts_case * tc, void *data)
+{
+ apr_pool_t *pool = p;
+ apr_memcache_t *memcache;
+ apr_memcache_server_t *server;
+ apr_memcache_stats_t *stats;
+ char *result;
+ apr_status_t rv;
+
+ rv = apr_memcache_create(pool, 1, 0, &memcache);
+ ABTS_ASSERT(tc, "memcache create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_server_create(pool, HOST, PORT, 0, 1, 1, 60, &server);
+ ABTS_ASSERT(tc, "server create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_add_server(memcache, server);
+ ABTS_ASSERT(tc, "server add failed", rv == APR_SUCCESS);
+
+ apr_memcache_version(server, pool, &result);
+ ABTS_PTR_NOTNULL(tc, result);
+
+ apr_memcache_stats(server, p, &stats);
+ ABTS_PTR_NOTNULL(tc, stats);
+
+ ABTS_STR_NEQUAL(tc, stats->version, result, 5);
+
+ /*
+ * no way to know exactly what will be in most of these, so
+ * just make sure there is something.
+ */
+
+ ABTS_ASSERT(tc, "pid", stats->pid >= 0);
+ ABTS_ASSERT(tc, "time", stats->time >= 0);
+ /* ABTS_ASSERT(tc, "pointer_size", stats->pointer_size >= 0); */
+ ABTS_ASSERT(tc, "rusage_user", stats->rusage_user >= 0);
+ ABTS_ASSERT(tc, "rusage_system", stats->rusage_system >= 0);
+
+ ABTS_ASSERT(tc, "curr_items", stats->curr_items >= 0);
+ ABTS_ASSERT(tc, "total_items", stats->total_items >= 0);
+ ABTS_ASSERT(tc, "bytes", stats->bytes >= 0);
+
+ ABTS_ASSERT(tc, "curr_connections", stats->curr_connections >= 0);
+ ABTS_ASSERT(tc, "total_connections", stats->total_connections >= 0);
+ ABTS_ASSERT(tc, "connection_structures",
+ stats->connection_structures >= 0);
+
+ ABTS_ASSERT(tc, "cmd_get", stats->cmd_get >= 0);
+ ABTS_ASSERT(tc, "cmd_set", stats->cmd_set >= 0);
+ ABTS_ASSERT(tc, "get_hits", stats->get_hits >= 0);
+ ABTS_ASSERT(tc, "get_misses", stats->get_misses >= 0);
+
+ /* ABTS_ASSERT(tc, "evictions", stats->evictions >= 0); */
+
+ ABTS_ASSERT(tc, "bytes_read", stats->bytes_read >= 0);
+ ABTS_ASSERT(tc, "bytes_written", stats->bytes_written >= 0);
+ ABTS_ASSERT(tc, "limit_maxbytes", stats->limit_maxbytes >= 0);
+
+ /* ABTS_ASSERT(tc, "threads", stats->threads >= 0); */
+}
+
+/* test add and replace calls */
+
+static void test_memcache_addreplace(abts_case * tc, void *data)
+{
+ apr_pool_t *pool = p;
+ apr_status_t rv;
+ apr_memcache_t *memcache;
+ apr_memcache_server_t *server;
+ apr_hash_t *tdata;
+ apr_hash_index_t *hi;
+ char *result;
+ apr_size_t len;
+
+ rv = apr_memcache_create(pool, 1, 0, &memcache);
+ ABTS_ASSERT(tc, "memcache create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_server_create(pool, HOST, PORT, 0, 1, 1, 60, &server);
+ ABTS_ASSERT(tc, "server create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_add_server(memcache, server);
+ ABTS_ASSERT(tc, "server add failed", rv == APR_SUCCESS);
+
+ tdata = apr_hash_make(p);
+ create_test_hash(pool, tdata);
+
+ for (hi = apr_hash_first(p, tdata); hi; hi = apr_hash_next(hi)) {
+ const void *k;
+ void *v;
+ const char *key;
+
+ apr_hash_this(hi, &k, NULL, &v);
+ key = k;
+
+ /* doesn't exist yet, fail */
+ rv = apr_memcache_replace(memcache, key, v, strlen(v) - 1, 0, 27);
+ ABTS_ASSERT(tc, "replace should have failed", rv != APR_SUCCESS);
+
+ /* doesn't exist yet, succeed */
+ rv = apr_memcache_add(memcache, key, v, strlen(v), 0, 27);
+ ABTS_ASSERT(tc, "add failed", rv == APR_SUCCESS);
+
+ /* exists now, succeed */
+ rv = apr_memcache_replace(memcache, key, "new", sizeof("new") - 1, 0, 27);
+ ABTS_ASSERT(tc, "replace failed", rv == APR_SUCCESS);
+
+ /* make sure its different */
+ rv = apr_memcache_getp(memcache, pool, key, &result, &len, NULL);
+ ABTS_ASSERT(tc, "get failed", rv == APR_SUCCESS);
+ ABTS_STR_NEQUAL(tc, result, "new", 3);
+
+ /* exists now, fail */
+ rv = apr_memcache_add(memcache, key, v, strlen(v), 0, 27);
+ ABTS_ASSERT(tc, "add should have failed", rv != APR_SUCCESS);
+
+ /* clean up */
+ rv = apr_memcache_delete(memcache, key, 0);
+ ABTS_ASSERT(tc, "delete failed", rv == APR_SUCCESS);
+ }
+}
+
+/* basic tests of the increment and decrement commands */
+static void test_memcache_incrdecr(abts_case * tc, void *data)
+{
+ apr_pool_t *pool = p;
+ apr_status_t rv;
+ apr_memcache_t *memcache;
+ apr_memcache_server_t *server;
+ apr_uint32_t new;
+ char *result;
+ apr_size_t len;
+ apr_uint32_t i;
+
+ rv = apr_memcache_create(pool, 1, 0, &memcache);
+ ABTS_ASSERT(tc, "memcache create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_server_create(pool, HOST, PORT, 0, 1, 1, 60, &server);
+ ABTS_ASSERT(tc, "server create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_add_server(memcache, server);
+ ABTS_ASSERT(tc, "server add failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_set(memcache, prefix, "271", sizeof("271") - 1, 0, 27);
+ ABTS_ASSERT(tc, "set failed", rv == APR_SUCCESS);
+
+ for( i = 1; i <= TDATA_SIZE; i++) {
+ apr_uint32_t expect;
+
+ rv = apr_memcache_getp(memcache, pool, prefix, &result, &len, NULL);
+ ABTS_ASSERT(tc, "get failed", rv == APR_SUCCESS);
+
+ expect = i + atoi(result);
+
+ rv = apr_memcache_incr(memcache, prefix, i, &new);
+ ABTS_ASSERT(tc, "incr failed", rv == APR_SUCCESS);
+
+ ABTS_INT_EQUAL(tc, expect, new);
+
+ rv = apr_memcache_decr(memcache, prefix, i, &new);
+ ABTS_ASSERT(tc, "decr failed", rv == APR_SUCCESS);
+ ABTS_INT_EQUAL(tc, atoi(result), new);
+
+ }
+
+ rv = apr_memcache_getp(memcache, pool, prefix, &result, &len, NULL);
+ ABTS_ASSERT(tc, "get failed", rv == APR_SUCCESS);
+
+ ABTS_INT_EQUAL(tc, 271, atoi(result));
+
+ rv = apr_memcache_delete(memcache, prefix, 0);
+ ABTS_ASSERT(tc, "delete failed", rv == APR_SUCCESS);
+}
+
+/* test the multiget functionality */
+static void test_memcache_multiget(abts_case * tc, void *data)
+{
+ apr_pool_t *pool = p;
+ apr_pool_t *tmppool;
+ apr_status_t rv;
+ apr_memcache_t *memcache;
+ apr_memcache_server_t *server;
+ apr_hash_t *tdata, *values;
+ apr_hash_index_t *hi;
+ apr_uint32_t i;
+
+ rv = apr_memcache_create(pool, 1, 0, &memcache);
+ ABTS_ASSERT(tc, "memcache create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_server_create(pool, HOST, PORT, 0, 1, 1, 60, &server);
+ ABTS_ASSERT(tc, "server create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_add_server(memcache, server);
+ ABTS_ASSERT(tc, "server add failed", rv == APR_SUCCESS);
+
+ values = apr_hash_make(p);
+ tdata = apr_hash_make(p);
+
+ create_test_hash(pool, tdata);
+
+ for (hi = apr_hash_first(p, tdata); hi; hi = apr_hash_next(hi)) {
+ const void *k;
+ void *v;
+ const char *key;
+
+ apr_hash_this(hi, &k, NULL, &v);
+ key = k;
+
+ rv = apr_memcache_set(memcache, key, v, strlen(v), 0, 27);
+ ABTS_ASSERT(tc, "set failed", rv == APR_SUCCESS);
+ }
+
+ apr_pool_create(&tmppool, pool);
+ for (i = 0; i < TDATA_SET; i++)
+ apr_memcache_add_multget_key(pool,
+ apr_pstrcat(pool, prefix,
+ apr_itoa(pool, i), NULL),
+ &values);
+
+ rv = apr_memcache_multgetp(memcache,
+ tmppool,
+ pool,
+ values);
+
+ ABTS_ASSERT(tc, "multgetp failed", rv == APR_SUCCESS);
+ ABTS_ASSERT(tc, "multgetp returned too few results",
+ apr_hash_count(values) == TDATA_SET);
+
+ for (hi = apr_hash_first(p, tdata); hi; hi = apr_hash_next(hi)) {
+ const void *k;
+ const char *key;
+
+ apr_hash_this(hi, &k, NULL, NULL);
+ key = k;
+
+ rv = apr_memcache_delete(memcache, key, 0);
+ ABTS_ASSERT(tc, "delete failed", rv == APR_SUCCESS);
+ }
+
+}
+
+/* test setting and getting */
+
+static void test_memcache_setget(abts_case * tc, void *data)
+{
+ apr_pool_t *pool = p;
+ apr_status_t rv;
+ apr_memcache_t *memcache;
+ apr_memcache_server_t *server;
+ apr_hash_t *tdata;
+ apr_hash_index_t *hi;
+ char *result;
+ apr_size_t len;
+
+ rv = apr_memcache_create(pool, 1, 0, &memcache);
+ ABTS_ASSERT(tc, "memcache create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_server_create(pool, HOST, PORT, 0, 1, 1, 60, &server);
+ ABTS_ASSERT(tc, "server create failed", rv == APR_SUCCESS);
+
+ rv = apr_memcache_add_server(memcache, server);
+ ABTS_ASSERT(tc, "server add failed", rv == APR_SUCCESS);
+
+ tdata = apr_hash_make(pool);
+
+ create_test_hash(pool, tdata);
+
+ for (hi = apr_hash_first(p, tdata); hi; hi = apr_hash_next(hi)) {
+ const void *k;
+ void *v;
+ const char *key;
+
+ apr_hash_this(hi, &k, NULL, &v);
+ key = k;
+
+ rv = apr_memcache_set(memcache, key, v, strlen(v), 0, 27);
+ ABTS_ASSERT(tc, "set failed", rv == APR_SUCCESS);
+ rv = apr_memcache_getp(memcache, pool, key, &result, &len, NULL);
+ ABTS_ASSERT(tc, "get failed", rv == APR_SUCCESS);
+ }
+
+ rv = apr_memcache_getp(memcache, pool, "nothere3423", &result, &len, NULL);
+
+ ABTS_ASSERT(tc, "get should have failed", rv != APR_SUCCESS);
+
+ for (hi = apr_hash_first(p, tdata); hi; hi = apr_hash_next(hi)) {
+ const void *k;
+ const char *key;
+
+ apr_hash_this(hi, &k, NULL, NULL);
+ key = k;
+
+ rv = apr_memcache_delete(memcache, key, 0);
+ ABTS_ASSERT(tc, "delete failed", rv == APR_SUCCESS);
+ }
+}
+
+/* use apr_socket stuff to see if there is in fact a memcached server
+ * running on PORT.
+ */
+static apr_status_t check_mc(void)
+{
+ apr_pool_t *pool = p;
+ apr_status_t rv;
+ apr_socket_t *sock = NULL;
+ apr_sockaddr_t *sa;
+ struct iovec vec[2];
+ apr_size_t written;
+ char buf[128];
+ apr_size_t len;
+
+ rv = apr_socket_create(&sock, APR_INET, SOCK_STREAM, 0, pool);
+ if(rv != APR_SUCCESS) {
+ return rv;
+ }
+
+ rv = apr_sockaddr_info_get(&sa, HOST, APR_INET, PORT, 0, pool);
+ if(rv != APR_SUCCESS) {
+ return rv;
+ }
+
+ rv = apr_socket_timeout_set(sock, 1 * APR_USEC_PER_SEC);
+ if (rv != APR_SUCCESS) {
+ return rv;
+ }
+
+ rv = apr_socket_connect(sock, sa);
+ if (rv != APR_SUCCESS) {
+ return rv;
+ }
+
+ rv = apr_socket_timeout_set(sock, -1);
+ if (rv != APR_SUCCESS) {
+ return rv;
+ }
+
+ vec[0].iov_base = "version";
+ vec[0].iov_len = sizeof("version") - 1;
+
+ vec[1].iov_base = "\r\n";
+ vec[1].iov_len = sizeof("\r\n") -1;
+
+ rv = apr_socket_sendv(sock, vec, 2, &written);
+ if (rv != APR_SUCCESS) {
+ return rv;
+ }
+
+ len = sizeof(buf);
+ rv = apr_socket_recv(sock, buf, &len);
+ if(rv != APR_SUCCESS) {
+ return rv;
+ }
+
+ if(strncmp(buf, "VERSION", sizeof("VERSION")-1) != 0) {
+ rv = APR_EGENERAL;
+ }
+
+ apr_socket_close(sock);
+ return rv;
+}
+
+abts_suite *testmemcache(abts_suite * suite)
+{
+ apr_status_t rv;
+ suite = ADD_SUITE(suite);
+ /* check for a running memcached on the typical port before
+ * trying to run the tests. succeed if we don't find one.
+ */
+ rv = check_mc();
+ if (rv == APR_SUCCESS) {
+ abts_run_test(suite, test_memcache_create, NULL);
+ abts_run_test(suite, test_memcache_user_funcs, NULL);
+ abts_run_test(suite, test_memcache_meta, NULL);
+ abts_run_test(suite, test_memcache_setget, NULL);
+ abts_run_test(suite, test_memcache_multiget, NULL);
+ abts_run_test(suite, test_memcache_addreplace, NULL);
+ abts_run_test(suite, test_memcache_incrdecr, NULL);
+ }
+ else {
+ abts_log_message("Error %d occurred attempting to reach memcached "
+ "on %s:%d. Skipping apr_memcache tests...",
+ rv, HOST, PORT);
+ }
+
+ return suite;
+}
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