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Diffstat (limited to 'app/test/test_ivshmem.c')
| -rw-r--r-- | app/test/test_ivshmem.c | 433 |
1 files changed, 0 insertions, 433 deletions
diff --git a/app/test/test_ivshmem.c b/app/test/test_ivshmem.c deleted file mode 100644 index ae9fd6cc..00000000 --- a/app/test/test_ivshmem.c +++ /dev/null @@ -1,433 +0,0 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * 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 Intel Corporation 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 <fcntl.h> -#include <limits.h> -#include <unistd.h> -#include <string.h> -#include <sys/mman.h> -#include <sys/wait.h> -#include <stdio.h> - -#include <cmdline_parse.h> - -#include "test.h" - -#include <rte_common.h> -#include <rte_ivshmem.h> -#include <rte_string_fns.h> -#include "process.h" - -#define DUPLICATE_METADATA "duplicate" -#define METADATA_NAME "metadata" -#define NONEXISTENT_METADATA "nonexistent" -#define FIRST_TEST 'a' - -#define launch_proc(ARGV) process_dup(ARGV, \ - sizeof(ARGV)/(sizeof(ARGV[0])), "test_ivshmem") - -#define ASSERT(cond,msg) do { \ - if (!(cond)) { \ - printf("**** TEST %s() failed: %s\n", \ - __func__, msg); \ - return -1; \ - } \ -} while(0) - -static char* -get_current_prefix(char * prefix, int size) -{ - char path[PATH_MAX] = {0}; - char buf[PATH_MAX] = {0}; - - /* get file for config (fd is always 3) */ - snprintf(path, sizeof(path), "/proc/self/fd/%d", 3); - - /* return NULL on error */ - if (readlink(path, buf, sizeof(buf)) == -1) - return NULL; - - /* get the basename */ - snprintf(buf, sizeof(buf), "%s", basename(buf)); - - /* copy string all the way from second char up to start of _config */ - snprintf(prefix, size, "%.*s", - (int)(strnlen(buf, sizeof(buf)) - sizeof("_config")), - &buf[1]); - - return prefix; -} - -static struct rte_ivshmem_metadata* -mmap_metadata(const char *name) -{ - int fd; - char pathname[PATH_MAX]; - struct rte_ivshmem_metadata *metadata; - - snprintf(pathname, sizeof(pathname), - "/var/run/.dpdk_ivshmem_metadata_%s", name); - - fd = open(pathname, O_RDWR, 0660); - if (fd < 0) - return NULL; - - metadata = (struct rte_ivshmem_metadata*) mmap(NULL, - sizeof(struct rte_ivshmem_metadata), PROT_READ | PROT_WRITE, - MAP_SHARED, fd, 0); - - if (metadata == MAP_FAILED) - return NULL; - - close(fd); - - return metadata; -} - -static int -create_duplicate(void) -{ - /* create a metadata that another process will then try to overwrite */ - ASSERT (rte_ivshmem_metadata_create(DUPLICATE_METADATA) == 0, - "Creating metadata failed"); - return 0; -} - -static int -test_ivshmem_create_lots_of_memzones(void) -{ - int i; - char name[IVSHMEM_NAME_LEN]; - const struct rte_memzone *mz; - - ASSERT(rte_ivshmem_metadata_create(METADATA_NAME) == 0, - "Failed to create metadata"); - - for (i = 0; i < RTE_LIBRTE_IVSHMEM_MAX_ENTRIES; i++) { - snprintf(name, sizeof(name), "mz_%i", i); - - mz = rte_memzone_reserve(name, RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY, 0); - ASSERT(mz != NULL, "Failed to reserve memzone"); - - ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) == 0, - "Failed to add memzone"); - } - mz = rte_memzone_reserve("one too many", RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY, 0); - ASSERT(mz != NULL, "Failed to reserve memzone"); - - ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) < 0, - "Metadata should have been full"); - - return 0; -} - -static int -test_ivshmem_create_duplicate_memzone(void) -{ - const struct rte_memzone *mz; - - ASSERT(rte_ivshmem_metadata_create(METADATA_NAME) == 0, - "Failed to create metadata"); - - mz = rte_memzone_reserve("mz", RTE_CACHE_LINE_SIZE, SOCKET_ID_ANY, 0); - ASSERT(mz != NULL, "Failed to reserve memzone"); - - ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) == 0, - "Failed to add memzone"); - - ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) < 0, - "Added the same memzone twice"); - - return 0; -} - -static int -test_ivshmem_api_test(void) -{ - const struct rte_memzone * mz; - struct rte_mempool * mp; - struct rte_ring * r; - char buf[BUFSIZ]; - - memset(buf, 0, sizeof(buf)); - - r = rte_ring_create("ring", 1, SOCKET_ID_ANY, 0); - mp = rte_mempool_create("mempool", 1, 1, 1, 1, NULL, NULL, NULL, NULL, - SOCKET_ID_ANY, 0); - mz = rte_memzone_reserve("memzone", 64, SOCKET_ID_ANY, 0); - - ASSERT(r != NULL, "Failed to create ring"); - ASSERT(mp != NULL, "Failed to create mempool"); - ASSERT(mz != NULL, "Failed to reserve memzone"); - - /* try to create NULL metadata */ - ASSERT(rte_ivshmem_metadata_create(NULL) < 0, - "Created metadata with NULL name"); - - /* create valid metadata to do tests on */ - ASSERT(rte_ivshmem_metadata_create(METADATA_NAME) == 0, - "Failed to create metadata"); - - /* test adding memzone */ - ASSERT(rte_ivshmem_metadata_add_memzone(NULL, NULL) < 0, - "Added NULL memzone to NULL metadata"); - ASSERT(rte_ivshmem_metadata_add_memzone(NULL, METADATA_NAME) < 0, - "Added NULL memzone"); - ASSERT(rte_ivshmem_metadata_add_memzone(mz, NULL) < 0, - "Added memzone to NULL metadata"); - ASSERT(rte_ivshmem_metadata_add_memzone(mz, NONEXISTENT_METADATA) < 0, - "Added memzone to nonexistent metadata"); - - /* test adding ring */ - ASSERT(rte_ivshmem_metadata_add_ring(NULL, NULL) < 0, - "Added NULL ring to NULL metadata"); - ASSERT(rte_ivshmem_metadata_add_ring(NULL, METADATA_NAME) < 0, - "Added NULL ring"); - ASSERT(rte_ivshmem_metadata_add_ring(r, NULL) < 0, - "Added ring to NULL metadata"); - ASSERT(rte_ivshmem_metadata_add_ring(r, NONEXISTENT_METADATA) < 0, - "Added ring to nonexistent metadata"); - - /* test adding mempool */ - ASSERT(rte_ivshmem_metadata_add_mempool(NULL, NULL) < 0, - "Added NULL mempool to NULL metadata"); - ASSERT(rte_ivshmem_metadata_add_mempool(NULL, METADATA_NAME) < 0, - "Added NULL mempool"); - ASSERT(rte_ivshmem_metadata_add_mempool(mp, NULL) < 0, - "Added mempool to NULL metadata"); - ASSERT(rte_ivshmem_metadata_add_mempool(mp, NONEXISTENT_METADATA) < 0, - "Added mempool to nonexistent metadata"); - - /* test creating command line */ - ASSERT(rte_ivshmem_metadata_cmdline_generate(NULL, sizeof(buf), METADATA_NAME) < 0, - "Written command line into NULL buffer"); - ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty"); - - ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, 0, METADATA_NAME) < 0, - "Written command line into small buffer"); - ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty"); - - ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, sizeof(buf), NULL) < 0, - "Written command line for NULL metadata"); - ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty"); - - ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, sizeof(buf), - NONEXISTENT_METADATA) < 0, - "Writen command line for nonexistent metadata"); - ASSERT(strnlen(buf, sizeof(buf)) == 0, "Buffer is not empty"); - - /* add stuff to config */ - ASSERT(rte_ivshmem_metadata_add_memzone(mz, METADATA_NAME) == 0, - "Failed to add memzone to valid config"); - ASSERT(rte_ivshmem_metadata_add_ring(r, METADATA_NAME) == 0, - "Failed to add ring to valid config"); - ASSERT(rte_ivshmem_metadata_add_mempool(mp, METADATA_NAME) == 0, - "Failed to add mempool to valid config"); - - /* create config */ - ASSERT(rte_ivshmem_metadata_cmdline_generate(buf, sizeof(buf), - METADATA_NAME) == 0, "Failed to write command-line"); - - /* check if something was written */ - ASSERT(strnlen(buf, sizeof(buf)) != 0, "Buffer is empty"); - - /* make sure we don't segfault */ - rte_ivshmem_metadata_dump(stdout, NULL); - - /* dump our metadata */ - rte_ivshmem_metadata_dump(stdout, METADATA_NAME); - - return 0; -} - -static int -test_ivshmem_create_duplicate_metadata(void) -{ - ASSERT(rte_ivshmem_metadata_create(DUPLICATE_METADATA) < 0, - "Creating duplicate metadata should have failed"); - - return 0; -} - -static int -test_ivshmem_create_metadata_config(void) -{ - struct rte_ivshmem_metadata *metadata; - - rte_ivshmem_metadata_create(METADATA_NAME); - - metadata = mmap_metadata(METADATA_NAME); - - ASSERT(metadata != MAP_FAILED, "Metadata mmaping failed"); - - ASSERT(metadata->magic_number == IVSHMEM_MAGIC, - "Magic number is not that magic"); - - ASSERT(strncmp(metadata->name, METADATA_NAME, sizeof(metadata->name)) == 0, - "Name has not been set up"); - - ASSERT(metadata->entry[0].offset == 0, "Offest is not initialized"); - ASSERT(metadata->entry[0].mz.addr == 0, "mz.addr is not initialized"); - ASSERT(metadata->entry[0].mz.len == 0, "mz.len is not initialized"); - - return 0; -} - -static int -test_ivshmem_create_multiple_metadata_configs(void) -{ - int i; - char name[IVSHMEM_NAME_LEN]; - struct rte_ivshmem_metadata *metadata; - - for (i = 0; i < RTE_LIBRTE_IVSHMEM_MAX_METADATA_FILES / 2; i++) { - snprintf(name, sizeof(name), "test_%d", i); - rte_ivshmem_metadata_create(name); - metadata = mmap_metadata(name); - - ASSERT(metadata->magic_number == IVSHMEM_MAGIC, - "Magic number is not that magic"); - - ASSERT(strncmp(metadata->name, name, sizeof(metadata->name)) == 0, - "Name has not been set up"); - } - - return 0; -} - -static int -test_ivshmem_create_too_many_metadata_configs(void) -{ - int i; - char name[IVSHMEM_NAME_LEN]; - - for (i = 0; i < RTE_LIBRTE_IVSHMEM_MAX_METADATA_FILES; i++) { - snprintf(name, sizeof(name), "test_%d", i); - ASSERT(rte_ivshmem_metadata_create(name) == 0, - "Create config file failed"); - } - - ASSERT(rte_ivshmem_metadata_create(name) < 0, - "Create config file didn't fail"); - - return 0; -} - -enum rte_ivshmem_tests { - _test_ivshmem_api_test = 0, - _test_ivshmem_create_metadata_config, - _test_ivshmem_create_multiple_metadata_configs, - _test_ivshmem_create_too_many_metadata_configs, - _test_ivshmem_create_duplicate_metadata, - _test_ivshmem_create_lots_of_memzones, - _test_ivshmem_create_duplicate_memzone, - _last_test, -}; - -#define RTE_IVSHMEM_TEST_ID "RTE_IVSHMEM_TEST_ID" - -static int -launch_all_tests_on_secondary_processes(void) -{ - int ret = 0; - char id; - char testid; - char tmp[PATH_MAX] = {0}; - char prefix[PATH_MAX] = {0}; - - get_current_prefix(tmp, sizeof(tmp)); - - snprintf(prefix, sizeof(prefix), "--file-prefix=%s", tmp); - - const char *argv[] = { prgname, "-c", "1", "-n", "3", - "--proc-type=secondary", prefix }; - - for (id = 0; id < _last_test; id++) { - testid = (char)(FIRST_TEST + id); - setenv(RTE_IVSHMEM_TEST_ID, &testid, 1); - if (launch_proc(argv) != 0) - return -1; - } - return ret; -} - -int -test_ivshmem(void) -{ - int testid; - - /* We want to have a clean execution for every test without exposing - * private global data structures in rte_ivshmem so we launch each test - * on a different secondary process. */ - if (rte_eal_process_type() == RTE_PROC_PRIMARY) { - - /* first, create metadata */ - ASSERT(create_duplicate() == 0, "Creating metadata failed"); - - return launch_all_tests_on_secondary_processes(); - } - - testid = *(getenv(RTE_IVSHMEM_TEST_ID)) - FIRST_TEST; - - printf("Secondary process running test %d \n", testid); - - switch (testid) { - case _test_ivshmem_api_test: - return test_ivshmem_api_test(); - - case _test_ivshmem_create_metadata_config: - return test_ivshmem_create_metadata_config(); - - case _test_ivshmem_create_multiple_metadata_configs: - return test_ivshmem_create_multiple_metadata_configs(); - - case _test_ivshmem_create_too_many_metadata_configs: - return test_ivshmem_create_too_many_metadata_configs(); - - case _test_ivshmem_create_duplicate_metadata: - return test_ivshmem_create_duplicate_metadata(); - - case _test_ivshmem_create_lots_of_memzones: - return test_ivshmem_create_lots_of_memzones(); - - case _test_ivshmem_create_duplicate_memzone: - return test_ivshmem_create_duplicate_memzone(); - - default: - break; - } - - return -1; -} - -REGISTER_TEST_COMMAND(ivshmem_autotest, test_ivshmem); |