| /* 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_shm.h" |
| #include "apr_errno.h" |
| #include "apr_general.h" |
| #include "apr_lib.h" |
| #include "apr_strings.h" |
| #include "apr_thread_proc.h" |
| #include "apr_time.h" |
| #include "testshm.h" |
| #include "apr.h" |
| |
| #if APR_HAVE_STDLIB_H |
| #include <stdlib.h> |
| #endif |
| |
| #if APR_HAS_SHARED_MEMORY |
| |
| #if APR_HAS_FORK |
| static int msgwait(int sleep_sec, int first_box, int last_box) |
| { |
| int i; |
| int recvd = 0; |
| apr_time_t start = apr_time_now(); |
| apr_interval_time_t sleep_duration = apr_time_from_sec(sleep_sec); |
| while (apr_time_now() - start < sleep_duration) { |
| for (i = first_box; i < last_box; i++) { |
| if (boxes[i].msgavail && !strcmp(boxes[i].msg, MSG)) { |
| recvd++; |
| boxes[i].msgavail = 0; /* reset back to 0 */ |
| /* reset the msg field. 1024 is a magic number and it should |
| * be a macro, but I am being lazy. |
| */ |
| memset(boxes[i].msg, 0, 1024); |
| } |
| } |
| apr_sleep(apr_time_make(0, 10000)); /* 10ms */ |
| } |
| return recvd; |
| } |
| |
| static void msgput(int boxnum, char *msg) |
| { |
| apr_cpystrn(boxes[boxnum].msg, msg, strlen(msg) + 1); |
| boxes[boxnum].msgavail = 1; |
| } |
| #endif /* APR_HAS_FORK */ |
| |
| static void test_anon_create(abts_case *tc, void *data) |
| { |
| apr_status_t rv; |
| apr_shm_t *shm = NULL; |
| |
| rv = apr_shm_create(&shm, SHARED_SIZE, NULL, p); |
| APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv); |
| ABTS_PTR_NOTNULL(tc, shm); |
| |
| rv = apr_shm_destroy(shm); |
| APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv); |
| } |
| |
| static void test_check_size(abts_case *tc, void *data) |
| { |
| apr_status_t rv; |
| apr_shm_t *shm = NULL; |
| apr_size_t retsize; |
| |
| rv = apr_shm_create(&shm, SHARED_SIZE, NULL, p); |
| APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv); |
| ABTS_PTR_NOTNULL(tc, shm); |
| |
| retsize = apr_shm_size_get(shm); |
| ABTS_SIZE_EQUAL(tc, SHARED_SIZE, retsize); |
| |
| rv = apr_shm_destroy(shm); |
| APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv); |
| } |
| |
| static void test_shm_allocate(abts_case *tc, void *data) |
| { |
| apr_status_t rv; |
| apr_shm_t *shm = NULL; |
| |
| rv = apr_shm_create(&shm, SHARED_SIZE, NULL, p); |
| APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv); |
| ABTS_PTR_NOTNULL(tc, shm); |
| |
| boxes = apr_shm_baseaddr_get(shm); |
| ABTS_PTR_NOTNULL(tc, boxes); |
| |
| rv = apr_shm_destroy(shm); |
| APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv); |
| } |
| |
| #if APR_HAS_FORK |
| static void test_anon(abts_case *tc, void *data) |
| { |
| apr_proc_t proc; |
| apr_status_t rv; |
| apr_shm_t *shm; |
| apr_size_t retsize; |
| int cnt, i; |
| int recvd; |
| |
| rv = apr_shm_create(&shm, SHARED_SIZE, NULL, p); |
| APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv); |
| ABTS_PTR_NOTNULL(tc, shm); |
| |
| retsize = apr_shm_size_get(shm); |
| ABTS_INT_EQUAL(tc, SHARED_SIZE, retsize); |
| |
| boxes = apr_shm_baseaddr_get(shm); |
| ABTS_PTR_NOTNULL(tc, boxes); |
| |
| rv = apr_proc_fork(&proc, p); |
| if (rv == APR_INCHILD) { /* child */ |
| int num = msgwait(5, 0, N_BOXES); |
| /* exit with the number of messages received so that the parent |
| * can check that all messages were received. |
| */ |
| exit(num); |
| } |
| else if (rv == APR_INPARENT) { /* parent */ |
| i = N_BOXES; |
| cnt = 0; |
| while (cnt++ < N_MESSAGES) { |
| if ((i-=3) < 0) { |
| i += N_BOXES; /* start over at the top */ |
| } |
| msgput(i, MSG); |
| apr_sleep(apr_time_make(0, 10000)); |
| } |
| } |
| else { |
| ABTS_FAIL(tc, "apr_proc_fork failed"); |
| } |
| /* wait for the child */ |
| rv = apr_proc_wait(&proc, &recvd, NULL, APR_WAIT); |
| ABTS_INT_EQUAL(tc, N_MESSAGES, recvd); |
| |
| rv = apr_shm_destroy(shm); |
| APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv); |
| } |
| #endif |
| |
| static void test_named(abts_case *tc, void *data) |
| { |
| apr_status_t rv; |
| apr_shm_t *shm = NULL; |
| apr_size_t retsize; |
| apr_proc_t pidproducer, pidconsumer; |
| apr_procattr_t *attr1 = NULL, *attr2 = NULL; |
| int sent, received; |
| apr_exit_why_e why; |
| const char *args[4]; |
| |
| apr_shm_remove(SHARED_FILENAME, p); |
| |
| rv = apr_shm_create(&shm, SHARED_SIZE, SHARED_FILENAME, p); |
| APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv); |
| if (rv != APR_SUCCESS) { |
| return; |
| } |
| ABTS_PTR_NOTNULL(tc, shm); |
| |
| retsize = apr_shm_size_get(shm); |
| ABTS_SIZE_EQUAL(tc, SHARED_SIZE, retsize); |
| |
| boxes = apr_shm_baseaddr_get(shm); |
| ABTS_PTR_NOTNULL(tc, boxes); |
| |
| rv = apr_procattr_create(&attr1, p); |
| ABTS_PTR_NOTNULL(tc, attr1); |
| APR_ASSERT_SUCCESS(tc, "Couldn't create attr1", rv); |
| |
| rv = apr_procattr_cmdtype_set(attr1, APR_PROGRAM_ENV); |
| APR_ASSERT_SUCCESS(tc, "Couldn't set copy environment", rv); |
| |
| args[0] = apr_pstrdup(p, "testshmproducer" EXTENSION); |
| args[1] = NULL; |
| rv = apr_proc_create(&pidproducer, TESTBINPATH "testshmproducer" EXTENSION, args, |
| NULL, attr1, p); |
| APR_ASSERT_SUCCESS(tc, "Couldn't launch producer", rv); |
| |
| rv = apr_procattr_create(&attr2, p); |
| ABTS_PTR_NOTNULL(tc, attr2); |
| APR_ASSERT_SUCCESS(tc, "Couldn't create attr2", rv); |
| |
| rv = apr_procattr_cmdtype_set(attr2, APR_PROGRAM_ENV); |
| APR_ASSERT_SUCCESS(tc, "Couldn't set copy environment", rv); |
| |
| args[0] = apr_pstrdup(p, "testshmconsumer" EXTENSION); |
| rv = apr_proc_create(&pidconsumer, TESTBINPATH "testshmconsumer" EXTENSION, args, |
| NULL, attr2, p); |
| APR_ASSERT_SUCCESS(tc, "Couldn't launch consumer", rv); |
| |
| rv = apr_proc_wait(&pidconsumer, &received, &why, APR_WAIT); |
| ABTS_INT_EQUAL(tc, APR_CHILD_DONE, rv); |
| ABTS_INT_EQUAL(tc, APR_PROC_EXIT, why); |
| |
| rv = apr_proc_wait(&pidproducer, &sent, &why, APR_WAIT); |
| ABTS_INT_EQUAL(tc, APR_CHILD_DONE, rv); |
| ABTS_INT_EQUAL(tc, APR_PROC_EXIT, why); |
| |
| /* Cleanup before testing that producer and consumer worked correctly. |
| * This way, if they didn't succeed, we can just run this test again |
| * without having to cleanup manually. |
| */ |
| APR_ASSERT_SUCCESS(tc, "Error destroying shared memory", |
| apr_shm_destroy(shm)); |
| |
| ABTS_INT_EQUAL(tc, sent, received); |
| |
| } |
| |
| static void test_named_remove(abts_case *tc, void *data) |
| { |
| apr_status_t rv; |
| apr_shm_t *shm, *shm2; |
| |
| apr_shm_remove(SHARED_FILENAME, p); |
| |
| rv = apr_shm_create(&shm, SHARED_SIZE, SHARED_FILENAME, p); |
| APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv); |
| if (rv != APR_SUCCESS) { |
| return; |
| } |
| ABTS_PTR_NOTNULL(tc, shm); |
| |
| rv = apr_shm_remove(SHARED_FILENAME, p); |
| |
| /* On platforms which acknowledge the removal of the shared resource, |
| * ensure another of the same name may be created after removal; |
| */ |
| if (rv == APR_SUCCESS) |
| { |
| rv = apr_shm_create(&shm2, SHARED_SIZE, SHARED_FILENAME, p); |
| APR_ASSERT_SUCCESS(tc, "Error allocating shared memory block", rv); |
| if (rv != APR_SUCCESS) { |
| return; |
| } |
| ABTS_PTR_NOTNULL(tc, shm2); |
| |
| rv = apr_shm_destroy(shm2); |
| APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv); |
| } |
| |
| rv = apr_shm_destroy(shm); |
| APR_ASSERT_SUCCESS(tc, "Error destroying shared memory block", rv); |
| |
| /* Now ensure no named resource remains which we may attach to */ |
| rv = apr_shm_attach(&shm, SHARED_FILENAME, p); |
| ABTS_TRUE(tc, rv != 0); |
| } |
| |
| #endif |
| |
| abts_suite *testshm(abts_suite *suite) |
| { |
| suite = ADD_SUITE(suite) |
| |
| #if APR_HAS_SHARED_MEMORY |
| abts_run_test(suite, test_anon_create, NULL); |
| abts_run_test(suite, test_check_size, NULL); |
| abts_run_test(suite, test_shm_allocate, NULL); |
| #if APR_HAS_FORK |
| abts_run_test(suite, test_anon, NULL); |
| #endif |
| abts_run_test(suite, test_named, NULL); |
| abts_run_test(suite, test_named_remove, NULL); |
| #endif |
| |
| return suite; |
| } |
| |
| |