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author | 2015-11-30 01:45:08 -0500 | |
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committer | 2015-11-30 01:45:08 -0500 | |
commit | e8ec7aa8e38a93f5b034ac74cebce5de23710317 (patch) | |
tree | aa031937bf856c1f8d6ad7877b8d2cb0224da5ef /rubbos/app/httpd-2.0.64/srclib/apr/test/testshm.c | |
parent | cc40af334e619bb549038238507407866f774f8f (diff) |
upload http
JIRA: BOTTLENECK-10
Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da
Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/test/testshm.c')
-rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/test/testshm.c | 293 |
1 files changed, 293 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/test/testshm.c b/rubbos/app/httpd-2.0.64/srclib/apr/test/testshm.c new file mode 100644 index 00000000..01357d5b --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/test/testshm.c @@ -0,0 +1,293 @@ +/* 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 "apr_shm.h" +#include "apr_errno.h" +#include "apr_general.h" +#include "apr_lib.h" +#include "apr_strings.h" +#include "apr_time.h" +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#if APR_HAVE_UNISTD_H +#include <unistd.h> +#endif + +#if APR_HAS_SHARED_MEMORY + +typedef struct mbox { + char msg[1024]; + int msgavail; +} mbox; +mbox *boxes; + +#define N_BOXES 10 +#define N_MESSAGES 100 +#define SHARED_SIZE (apr_size_t)(N_BOXES * sizeof(mbox)) +#define SHARED_FILENAME "/tmp/apr.testshm.shm" + +static void msgwait(int sleep_sec, int first_box, int last_box) +{ + int i; + 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) { + fprintf(stdout, "received a message in box %d, message was: %s\n", + i, boxes[i].msg); + boxes[i].msgavail = 0; /* reset back to 0 */ + } + } + apr_sleep(apr_time_make(0, 10000)); /* 10ms */ + } + fprintf(stdout, "done waiting on mailboxes...\n"); +} + +static void msgput(int boxnum, char *msg) +{ + fprintf(stdout, "Sending message to box %d\n", boxnum); + apr_cpystrn(boxes[boxnum].msg, msg, strlen(msg)); + boxes[boxnum].msgavail = 1; +} + +static apr_status_t test_anon(apr_pool_t *parpool) +{ + apr_status_t rv; + apr_pool_t *pool; + apr_shm_t *shm; + apr_size_t retsize; + pid_t pid; + int cnt, i, exit_int; + + rv = apr_pool_create(&pool, parpool); + if (rv != APR_SUCCESS) { + fprintf(stderr, "Error creating child pool\n"); + return rv; + } + + printf("Creating anonymous shared memory block (%" + APR_SIZE_T_FMT " bytes)........", SHARED_SIZE); + rv = apr_shm_create(&shm, SHARED_SIZE, NULL, pool); + if (rv != APR_SUCCESS) { + fprintf(stderr, "Error allocating shared memory block\n"); + return rv; + } + fprintf(stdout, "OK\n"); + + printf("Checking size...%" APR_SIZE_T_FMT " bytes...", + retsize = apr_shm_size_get(shm)); + if (retsize != SHARED_SIZE) { + fprintf(stderr, "Error allocating shared memory block\n"); + return rv; + } + fprintf(stdout, "OK\n"); + + printf("Allocating shared mbox memory for %d boxes ..............", + N_BOXES); + boxes = apr_shm_baseaddr_get(shm); + if (boxes == NULL) { + fprintf(stderr, "Error creating message boxes.\n"); + return rv; + } + fprintf(stdout, "OK\n"); + + printf("Shared Process Test (child/parent)\n"); + pid = fork(); + if (pid == 0) { /* child */ + msgwait(5, 0, N_BOXES); + exit(0); + } + else if (pid > 0) { /* parent */ + i = N_BOXES; + cnt = N_MESSAGES; + while (--cnt > 0) { + if ((i-=3) < 0) { + i += N_BOXES; /* start over at the top */ + } + msgput(i, "Sending a message\n"); + apr_sleep(apr_time_make(0, 10000)); + } + } + else { + printf("Error creating a child process\n"); + return errno; + } + /* wait for the child */ + printf("Waiting for child to exit.\n"); + if (waitpid(pid, &exit_int, 0) < 0) { + return errno; + } + + printf("Destroying shared memory segment..."); + rv = apr_shm_destroy(shm); + if (rv != APR_SUCCESS) { + printf("FAILED\n"); + return rv; + } + printf("OK\n"); + + apr_pool_destroy(pool); + + return APR_SUCCESS; +} + +static apr_status_t test_named(apr_pool_t *parpool) +{ + apr_status_t rv; + apr_pool_t *pool; + apr_shm_t *shm; + apr_size_t retsize; + pid_t pidproducer, pidconsumer; + int exit_int; + + rv = apr_pool_create(&pool, parpool); + if (rv != APR_SUCCESS) { + fprintf(stderr, "Error creating child pool\n"); + return rv; + } + + printf("Creating named shared memory block (%" + APR_SIZE_T_FMT " bytes)........", SHARED_SIZE); + rv = apr_shm_create(&shm, SHARED_SIZE, SHARED_FILENAME, pool); + if (rv != APR_SUCCESS) { + fprintf(stderr, "Error allocating shared memory block\n"); + return rv; + } + fprintf(stdout, "OK\n"); + + printf("Checking size...%" APR_SIZE_T_FMT " bytes...", + retsize = apr_shm_size_get(shm)); + if (retsize != SHARED_SIZE) { + fprintf(stderr, "Error allocating shared memory block\n"); + return rv; + } + fprintf(stdout, "OK\n"); + + printf("Allocating shared mbox memory for %d boxes ..............", + N_BOXES); + boxes = apr_shm_baseaddr_get(shm); + if (boxes == NULL) { + fprintf(stderr, "Error creating message boxes.\n"); + return rv; + } + fprintf(stdout, "OK\n"); + + printf("fork()ing and exec()ing children:\n"); + pidproducer = fork(); + if (pidproducer == 0) { /* child */ + /* FIXME: exec a producer */ + printf("starting consumer.....\n"); + if (execlp("testshmconsumer", "testshmconsumer", (char*)0) < 0) { + return errno; + } + } + else if (pidproducer > 0) { /* parent */ + /* fork another child */ + pidconsumer = fork(); + if (pidconsumer == 0) { /* child */ + /* FIXME: exec a producer */ + printf("starting producer.....\n"); + if (execlp("testshmproducer", "testshmproducer", (char*)0) < 0) { + return errno; + } + } + else if (pidconsumer < 0) { /* parent */ + printf("Error creating a child process\n"); + return errno; + } + } + else { + printf("Error creating a child process\n"); + return errno; + } + /* wait for the child */ + printf("Waiting for producer to exit.\n"); + if (waitpid(pidconsumer, &exit_int, 0) < 0) { + return errno; + } + if (!WIFEXITED(exit_int)) { + printf("Producer was unsuccessful.\n"); + return APR_EGENERAL; + } + printf("Waiting for consumer to exit.\n"); + if (waitpid(pidproducer, &exit_int, 0) < 0) { + return errno; + } + if (!WIFEXITED(exit_int)) { + printf("Consumer was unsuccessful.\n"); + return APR_EGENERAL; + } + + printf("Destroying shared memory segment..."); + rv = apr_shm_destroy(shm); + if (rv != APR_SUCCESS) { + printf("FAILED\n"); + return rv; + } + printf("OK\n"); + + apr_pool_destroy(pool); + + return APR_SUCCESS; +} + +int main(void) +{ + apr_status_t rv; + apr_pool_t *pool; + char errmsg[200]; + + apr_initialize(); + + printf("APR Shared Memory Test\n"); + printf("======================\n\n"); + + printf("Initializing the pool............................"); + if (apr_pool_create(&pool, NULL) != APR_SUCCESS) { + printf("could not initialize pool\n"); + exit(-1); + } + printf("OK\n"); + + rv = test_anon(pool); + if (rv != APR_SUCCESS) { + if (rv == APR_ENOTIMPL) { + printf("Anonymous shared memory unavailable on this platform.\n"); + } + else { + printf("Anonymous shared memory test FAILED: [%d] %s\n", + rv, apr_strerror(rv, errmsg, sizeof(errmsg))); + exit(-2); + } + } + printf("Anonymous shared memory test passed!\n"); + + if ((rv = test_named(pool)) != APR_SUCCESS) { + printf("Name-based shared memory test FAILED: [%d] %s \n", + rv, apr_strerror(rv, errmsg, sizeof(errmsg))); + exit(-3); + } + printf("Named shared memory test passed!\n"); + + return 0; +} + +#else /* APR_HAS_SHARED_MEMORY */ +#error shmem is not supported on this platform +#endif /* APR_HAS_SHARED_MEMORY */ + |