/**
* ipsec pool --add - add a new pool
*/
static void add(char *name, host_t *start, host_t *end, int timeout)
{
chunk_t start_addr, end_addr, cur_addr;
u_int id, count;
start_addr = start->get_address(start);
end_addr = end->get_address(end);
cur_addr = chunk_clonea(start_addr);
count = get_pool_size(start_addr, end_addr);
if (start_addr.len != end_addr.len ||
memcmp(start_addr.ptr, end_addr.ptr, start_addr.len) > 0)
{
fprintf(stderr, "invalid start/end pair specified.\n");
exit(EXIT_FAILURE);
}
id = create_pool(name, start_addr, end_addr, timeout);
printf("allocating %d addresses... ", count);
fflush(stdout);
db->transaction(db, FALSE);
while (TRUE)
{
db->execute(db, NULL,
"INSERT INTO addresses (pool, address, identity, acquired, released) "
"VALUES (?, ?, ?, ?, ?)",
DB_UINT, id, DB_BLOB, cur_addr, DB_UINT, 0, DB_UINT, 0, DB_UINT, 1);
if (chunk_equals(cur_addr, end_addr))
{
break;
}
chunk_increment(cur_addr);
}
db->commit(db);
printf("done.\n");
}
void info_handler(void *arg) {
struct config *config = (struct config*)arg;
storage_sync(config->api);
int pool_items, pool_bytes;
get_pool_size(&pool_items, &pool_bytes);
log_info("Memory stats: %iMB in %i items in pool. Pool freed.",
pool_bytes/1024/1024, pool_items);
pool_free();
}
int get_pool_size(const unit *head)
{
if (head != NULL)
{
return 1 + get_pool_size(head->next);
}
else
{
return 0;
}
}
int CHashMap::open(char* pool, bool init, int node_total, int bucket_size, int n_chunks,
int chunk_size, int key_size, pHashMapGetBucketID get_bucket_id, pHashMapCmpKey cmp_key)
{
int ret = 0;
m_get_bucket_id = get_bucket_id;
m_cmp_key = cmp_key;
int hash_map_pool_size = get_pool_size(node_total, bucket_size, key_size);
int head_size = sizeof(THashMap) - sizeof(BC_MEM_HANDLER[1]);
int bucket_total_size = bucket_size * sizeof(BC_MEM_HANDLER);
pool_ = pool;
pool_tail_ = pool_ + hash_map_pool_size;
hash_map_ = (THashMap*)pool_;
hash_node_ = (THashNode*)(pool_ + head_size + bucket_total_size);
if (init)
{
init_pool_data(node_total, bucket_size, key_size);
}
else
{
if ((ret = verify_pool_data(node_total, bucket_size, key_size)) != 0)
{
return ret;
}
}
if ((ret = allocator_.open(pool_tail_, init, n_chunks, chunk_size)) != 0)
{
return ret;
}
return 0;
}
/**
* ipsec pool --resize - resize a pool
*/
static void resize(char *name, host_t *end)
{
enumerator_t *query;
chunk_t old_addr, new_addr, cur_addr;
u_int id, count;
host_t *old_end;
new_addr = end->get_address(end);
query = db->query(db, "SELECT id, end FROM pools WHERE name = ?",
DB_TEXT, name, DB_UINT, DB_BLOB);
if (!query || !query->enumerate(query, &id, &old_addr))
{
DESTROY_IF(query);
fprintf(stderr, "resizing pool failed.\n");
exit(EXIT_FAILURE);
}
if (old_addr.len != new_addr.len ||
memcmp(new_addr.ptr, old_addr.ptr, old_addr.len) < 0)
{
fprintf(stderr, "shrinking of pools not supported.\n");
query->destroy(query);
exit(EXIT_FAILURE);
}
cur_addr = chunk_clonea(old_addr);
count = get_pool_size(old_addr, new_addr) - 1;
query->destroy(query);
/* Check whether pool is resizable */
old_end = host_create_from_chunk(AF_UNSPEC, old_addr, 0);
if (old_end && old_end->is_anyaddr(old_end))
{
fprintf(stderr, "pool is not resizable.\n");
old_end->destroy(old_end);
exit(EXIT_FAILURE);
}
DESTROY_IF(old_end);
db->transaction(db, FALSE);
if (db->execute(db, NULL,
"UPDATE pools SET end = ? WHERE name = ?",
DB_BLOB, new_addr, DB_TEXT, name) <= 0)
{
fprintf(stderr, "pool '%s' not found.\n", name);
exit(EXIT_FAILURE);
}
printf("allocating %d new addresses... ", count);
fflush(stdout);
while (count-- > 0)
{
chunk_increment(cur_addr);
db->execute(db, NULL,
"INSERT INTO addresses (pool, address, identity, acquired, released) "
"VALUES (?, ?, ?, ?, ?)",
DB_UINT, id, DB_BLOB, cur_addr, DB_UINT, 0, DB_UINT, 0, DB_UINT, 1);
}
db->commit(db);
printf("done.\n");
}
// 取HASH_MAP 和CHUNK的内存块尺寸
static size_t get_total_pool_size(int node_total, int bucket_size, int n_chunks, int chunk_size)
{
return get_pool_size(node_total, bucket_size) + CChunkAllocator::get_pool_size(n_chunks, chunk_size);
}