/**
* Allocate and contruct a hash
*
* @param name = Name of the hash, used in diagnostics
* @param element_count = Maximum number of elements in the hash
* @param element_size = Size of each element in the hash in bytes
* @param key_offset = Offset of start of key from start of element in bytes
* @param key_size = Size of the key in bytes
* @param options = SXE_HASH_OPTION_UNLOCKED | SXE_HASH_OPTION_LOCKED (single threaded or use locking)
* + SXE_HASH_OPTION_PREHASHED | SXE_HASH_OPTION_LOOKUP3_HASH (key is prehashed or use lookup3)
*
* @return A pointer to an array of hash elements
*/
void *
sxe_hash_new_plus(const char * name, unsigned element_count, unsigned element_size, unsigned key_offset, unsigned key_size,
unsigned options)
{
SXE_HASH * hash;
unsigned size;
SXEE6("sxe_hash_new_plus(name=%s,element_count=%u,element_size=%u,key_offset=%u,key_size=%u,options=%u)", name, element_count,
element_size, key_offset, key_size, options);
size = sizeof(SXE_HASH) + sxe_pool_size(element_count, element_size, element_count + SXE_HASH_BUCKETS_RESERVED);
SXEA1((hash = malloc(size)) != NULL, "Unable to allocate %u bytes of memory for hash %s", size, name);
SXEL6("Base address of hash %s = %p", name, hash);
/* Note: hash + 1 == pool base */
hash->pool = sxe_pool_construct(hash + 1, name, element_count, element_size, element_count + SXE_HASH_BUCKETS_RESERVED,
options & SXE_HASH_OPTION_LOCKED ? SXE_POOL_OPTION_LOCKED : 0);
hash->count = element_count;
hash->size = element_size;
hash->key_offset = key_offset;
hash->key_size = key_size;
hash->options = options;
hash->hash_key = options & SXE_HASH_OPTION_LOOKUP3_HASH ? lookup3_hash : sxe_prehashed_key_hash;
SXER6("return array=%p", hash->pool);
return hash->pool;
}
SXEL6("Instance %2u got pool element %u", count, id);
pool[id] = count;
sxe_pool_set_indexed_element_state(pool, id, TEST_STATE_CLIENT_TAKE, TEST_STATE_CLIENT_DONE);
sxe_mmap_close(&memmap);
SXEL6("Instance %2u exiting", count);
return 0;
}
plan_tests(6);
sxe_test_get_temp_file_name("test-sxe-mmap-pool", unique_memmap_path_and_file_master_buffer, sizeof(unique_memmap_path_and_file_master_buffer), &unique_memmap_path_and_file_master_buffer_used);
unique_memmap_path_and_file = &unique_memmap_path_and_file_master_buffer[0];
SXEL1("Instance %2d unique memmap path and file: %s", count, unique_memmap_path_and_file);
ok((size = sxe_pool_size(TEST_CLIENT_INSTANCES/2, sizeof(*pool), TEST_STATE_NUMBER_OF_STATES)) >= TEST_CLIENT_INSTANCES * sizeof(*pool),
"Expect pool size %u to be at least the size of the array %u", (unsigned)size, (unsigned)(TEST_CLIENT_INSTANCES * sizeof(*pool)));
SXEA1((fd = open(unique_memmap_path_and_file, O_CREAT | O_TRUNC | O_WRONLY, 0666)) >= 0, "Failed to create file '%s': %s", unique_memmap_path_and_file, strerror(errno));
SXEA1(ftruncate(fd, size) >= 0, "Failed to extend the file to %p bytes: %s", SXE_CAST(void *, size), strerror(errno));
close(fd);
sxe_mmap_open(&memmap, unique_memmap_path_and_file);
shared = SXE_CAST(unsigned *, SXE_MMAP_ADDR(&memmap));
pool = sxe_pool_construct(shared, "shared-pool", TEST_CLIENT_INSTANCES/2, sizeof(*pool), TEST_STATE_NUMBER_OF_STATES,
SXE_POOL_OPTION_LOCKED);
for (count = 0; count < TEST_CLIENT_INSTANCES; count++) {
char buffer[12];
snprintf(buffer, sizeof(buffer), "%u", count + 1);
int
main(int argc, char ** argv)
{
#ifdef WINDOWS_NT
SXEL10("WARNING: Need to implement sxe_spawn() on Windows to run this test file!");
#else
int fd;
double start_time;
unsigned count;
unsigned id;
unsigned * pool;
unsigned * shared;
size_t size;
SXE_MMAP memmap;
SXE_RETURN result;
SXE_SPAWN spawn[TEST_CLIENT_INSTANCES];
if (argc > 1) {
count = atoi(argv[1]);
sxe_mmap_open(&memmap, "memmap");
shared = (unsigned *)(unsigned long)SXE_MMAP_ADDR(&memmap);
pool = sxe_pool_from_base(shared);
SXEL63("Instance %u mapped to shared pool // base=%p, pool=%p", count, shared, pool);
do {
usleep(10000 * count);
id = sxe_pool_set_oldest_element_state_locked(pool, TEST_STATE_FREE, TEST_STATE_CLIENT_TAKE);
SXEA10(id != SXE_POOL_LOCK_NEVER_TAKEN, "Got SXE_POOL_LOCK_NEVER_TAKEN");;
} while (id == SXE_POOL_NO_INDEX);
SXEL62("Instance %u got pool element %u", count, id);
pool[id] = count;
sxe_pool_set_indexed_element_state_locked(pool, id, TEST_STATE_CLIENT_TAKE, TEST_STATE_CLIENT_DONE);
sxe_mmap_close(&memmap);
SXEL61("Instance %u exiting", count);
return 0;
}
plan_tests(5);
ok((size = sxe_pool_size(TEST_CLIENT_INSTANCES/2, sizeof(*pool), TEST_STATE_NUMBER_OF_STATES)) >= TEST_CLIENT_INSTANCES * sizeof(*pool),
"Expect pool size %u to be at least the size of the array %u", size, TEST_CLIENT_INSTANCES * sizeof(*pool));
SXEA11((fd = open("memmap", O_CREAT | O_TRUNC | O_WRONLY, 0666)) >= 0, "Failed to create file 'memmap': %s", strerror(errno));
SXEA12(ftruncate(fd, size) >= 0, "Failed to extend the file to %lu bytes: %s", size, strerror(errno));
close(fd);
sxe_mmap_open(&memmap, "memmap");
shared = (unsigned *)(unsigned long)SXE_MMAP_ADDR(&memmap);
pool = sxe_pool_construct(shared, "shared-pool", TEST_CLIENT_INSTANCES/2, sizeof(*pool), TEST_STATE_NUMBER_OF_STATES, SXE_POOL_LOCKS_ENABLED);
sxe_register(TEST_CLIENT_INSTANCES + 1, 0);
SXEA11((result = sxe_init()) == SXE_RETURN_OK, "Failed to initialize the SXE package: %s", sxe_return_to_string(result));
for (count = 1; count <= TEST_CLIENT_INSTANCES; count++) {
char buffer[12];
snprintf(buffer, sizeof(buffer), "%u", count);
result = sxe_spawn(NULL, &spawn[count - 1], argv[0], buffer, NULL, NULL, NULL, NULL);
SXEA13(result == SXE_RETURN_OK, "Failed to spawn '%s %s': %s", argv[0], buffer, sxe_return_to_string(result));
}
start_time = sxe_get_time_in_seconds();
for (count = 0; (count < TEST_CLIENT_INSTANCES); ) {
SXEA10((TEST_WAIT + start_time ) > sxe_get_time_in_seconds(), "Unexpected timeout... is the hardware too slow?");
usleep(10000);
id = sxe_pool_set_oldest_element_state_locked(pool, TEST_STATE_CLIENT_DONE, TEST_STATE_FREE);
/* Assert here in the test. The actual service would take specific action here */
SXEA12(id != SXE_POOL_LOCK_NEVER_TAKEN, "Parent: Failed to acqure lock .. yield limit reached. id %u vs %u", id, SXE_POOL_LOCK_NEVER_TAKEN);
if (id != SXE_POOL_NO_INDEX) {
SXEL62("Looks like instance %u got element %u", pool[id], id);
count++;
}
}
ok(count == TEST_CLIENT_INSTANCES, "All clients got an element in the pool");
start_time = sxe_get_time_in_seconds();
for (count = 0; (count < TEST_CLIENT_INSTANCES); count++) {
SXEA10((TEST_WAIT + start_time ) > sxe_get_time_in_seconds(), "Unexpected timeout... is the hardware too slow?");
waitpid(spawn[count].pid, NULL, 0);
}
ok(SXE_POOL_LOCK_NEVER_TAKEN != sxe_pool_lock(pool), "Forced lock to be always locked!");
id = sxe_pool_set_oldest_element_state_locked(pool, TEST_STATE_FREE, TEST_STATE_FREE);
ok(id == SXE_POOL_LOCK_NEVER_TAKEN, "sxe_pool_set_oldest_element_state_locked() Failed to acquire lock");
id = sxe_pool_set_indexed_element_state_locked(pool, 0, TEST_STATE_FREE, TEST_STATE_FREE);
ok(id == SXE_POOL_LOCK_NEVER_TAKEN, "sxe_pool_set_indexed_element_state_locked() Failed to acquire lock");
sxe_pool_unlock(pool);
sxe_pool_override_locked(pool); /* for coverage */
sxe_mmap_close(&memmap);
return exit_status();
#endif
}
