ATF_TC_BODY(uid_hash_rt29851, tc) {
unsigned char clientid1[] = { 0x0 };
unsigned char clientid2[] = { 0x0 };
unsigned char clientid3[] = { 0x0 };
int clientid1_len = 1;
int clientid2_len = 1;
int clientid3_len = 0;
struct lease *lease1 = 0, *lease2 = 0, *lease3 = 0;
dhcp_db_objects_setup ();
dhcp_common_objects_setup ();
ATF_CHECK(lease_id_new_hash(&lease_uid_hash, LEASE_HASH_SIZE, MDL));
ATF_CHECK(lease_allocate (&lease1, MDL) == ISC_R_SUCCESS);
ATF_CHECK(lease_allocate (&lease2, MDL) == ISC_R_SUCCESS);
ATF_CHECK(lease_allocate (&lease3, MDL) == ISC_R_SUCCESS);
lease1->uid = clientid1;
lease2->uid = clientid2;
lease3->uid = clientid3;
lease1->uid_len = clientid1_len;
lease2->uid_len = clientid2_len;
lease3->uid_len = clientid3_len;
uid_hash_add(lease1);
/* uid_hash_delete(lease2); // not necessary for actual issue repro */
uid_hash_add(lease3);
/* lease2->uid_len = 0; // not necessary for actual issue repro */
/* uid_hash_delete(lease2); // not necessary for actual issue repro */
/* uid_hash_delete(lease3); // not necessary for actual issue repro */
uid_hash_delete(lease1);
/* lease2->uid_len = 1; // not necessary for actual issue repro */
uid_hash_add(lease1);
uid_hash_delete(lease2);
}
/// @brief executes uid hash test for specified client-ids (3 hosts)
///
/// Creates three host structures, adds first host to the uid hash,
/// then adds second host to the hash, then removes first host,
/// then removed the second. Many checks are performed during all
/// operations.
///
/// @param clientid1 client-id of the first host
/// @param clientid1_len client-id1 length (may be 0 for strings)
/// @param clientid2 client-id of the second host
/// @param clientid2_len client-id2 length (may be 0 for strings)
/// @param clientid3 client-id of the second host
/// @param clientid3_len client-id2 length (may be 0 for strings)
void lease_hash_test_3hosts(unsigned char clientid1[], size_t clientid1_len,
unsigned char clientid2[], size_t clientid2_len,
unsigned char clientid3[], size_t clientid3_len) {
printf("Checking hash operation for 3 hosts: clientid1-len=%lu"
" clientid2-len=%lu clientid3-len=%lu\n",
(unsigned long) clientid1_len, (unsigned long) clientid2_len,
(unsigned long) clientid3_len);
dhcp_db_objects_setup ();
dhcp_common_objects_setup ();
/* check that there is actually zero hosts in the hash */
/* @todo: host_hash_for_each() */
struct host_decl *host1 = 0, *host2 = 0, *host3 = 0;
struct host_decl *check = 0;
/* === step 1: allocate hosts === */
ATF_CHECK_MSG(host_allocate(&host1, MDL) == ISC_R_SUCCESS,
"Failed to allocate host");
ATF_CHECK_MSG(host_allocate(&host2, MDL) == ISC_R_SUCCESS,
"Failed to allocate host");
ATF_CHECK_MSG(host_allocate(&host3, MDL) == ISC_R_SUCCESS,
"Failed to allocate host");
ATF_CHECK_MSG(host_new_hash(&host_uid_hash, HOST_HASH_SIZE, MDL) != 0,
"Unable to create new hash");
ATF_CHECK_MSG(buffer_allocate(&host1->client_identifier.buffer,
clientid1_len, MDL) != 0,
"Can't allocate uid buffer for host1");
ATF_CHECK_MSG(buffer_allocate(&host2->client_identifier.buffer,
clientid2_len, MDL) != 0,
"Can't allocate uid buffer for host2");
ATF_CHECK_MSG(buffer_allocate(&host3->client_identifier.buffer,
clientid3_len, MDL) != 0,
"Can't allocate uid buffer for host3");
/* verify that our hosts are not in the hash yet */
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid1,
clientid1_len, MDL) == 0,
"Host1 is not supposed to be in the uid_hash.");
ATF_CHECK_MSG(!check, "Host1 is not supposed to be in the uid_hash.");
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid2,
clientid2_len, MDL) == 0,
"Host2 is not supposed to be in the uid_hash.");
ATF_CHECK_MSG(!check, "Host2 is not supposed to be in the uid_hash.");
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid3,
clientid3_len, MDL) == 0,
"Host3 is not supposed to be in the uid_hash.");
ATF_CHECK_MSG(!check, "Host3 is not supposed to be in the uid_hash.");
/* === step 2: add hosts to the hash === */
host_hash_add(host_uid_hash, clientid1, clientid1_len, host1, MDL);
host_hash_add(host_uid_hash, clientid2, clientid2_len, host2, MDL);
host_hash_add(host_uid_hash, clientid3, clientid3_len, host3, MDL);
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid1,
clientid1_len, MDL),
"Host1 was supposed to be in the uid_hash.");
/* Hey! That's not the host we were looking for! */
ATF_CHECK_MSG(check == host1, "Wrong host returned by host_hash_lookup");
host_dereference(&check, MDL); /* we don't need it now */
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid2,
clientid2_len, MDL),
"Host2 was supposed to be in the uid_hash.");
ATF_CHECK_MSG(check, "Host2 was supposed to be in the uid_hash.");
/* Hey! That's not the host we were looking for! */
ATF_CHECK_MSG(check == host2, "Wrong host returned by host_hash_lookup");
host_dereference(&check, MDL); /* we don't need it now */
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid3,
clientid3_len, MDL),
"Host3 was supposed to be in the uid_hash.");
ATF_CHECK_MSG(check, "Host3 was supposed to be in the uid_hash.");
/* Hey! That's not the host we were looking for! */
ATF_CHECK_MSG(check == host3, "Wrong host returned by host_hash_lookup");
host_dereference(&check, MDL); /* we don't need it now */
/* === step 4: remove first host from the hash === */
/* delete host from hash */
host_hash_delete(host_uid_hash, clientid1, clientid1_len, MDL);
/* verify that host1 is no longer in the hash */
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid1,
clientid1_len, MDL) == 0,
"Host1 is not supposed to be in the uid_hash.");
ATF_CHECK_MSG(!check, "Host1 is not supposed to be in the uid_hash.");
/* host2 and host3 should be still there, though */
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid2,
clientid2_len, MDL),
"Host2 was supposed to still be in the uid_hash.");
host_dereference(&check, MDL);
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid3,
clientid3_len, MDL),
"Host3 was supposed to still be in the uid_hash.");
host_dereference(&check, MDL);
/* === step 5: remove second host from the hash === */
host_hash_delete(host_uid_hash, clientid2, clientid2_len, MDL);
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid2,
clientid2_len, MDL) == 0,
"Host2 was not supposed to be in the uid_hash anymore.");
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid3,
clientid3_len, MDL),
"Host3 was supposed to still be in the uid_hash.");
host_dereference(&check, MDL);
/* === step 6: remove the last (third) host from the hash === */
host_hash_delete(host_uid_hash, clientid3, clientid3_len, MDL);
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid3,
clientid3_len, MDL) == 0,
"Host3 was not supposed to be in the uid_hash anymore.");
host_dereference(&check, MDL);
host_dereference(&host1, MDL);
host_dereference(&host2, MDL);
host_dereference(&host3, MDL);
/*
* No easy way to check if the host object were actually released.
* We could run it in valgrind and check for memory leaks.
*/
#if defined (DEBUG_MEMORY_LEAKAGE) && defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
/* @todo: Should be called in cleanup */
free_everything ();
#endif
}
/// @brief executes uid hash test for specified client-ids (2 hosts)
///
/// Creates two host structures, adds first host to the uid hash,
/// then adds second host to the hash, then removes first host,
/// then removed the second. Many checks are performed during all
/// operations.
///
/// @param clientid1 client-id of the first host
/// @param clientid1_len client-id1 length (may be 0 for strings)
/// @param clientid2 client-id of the second host
/// @param clientid2_len client-id2 length (may be 0 for strings)
void lease_hash_test_2hosts(unsigned char clientid1[], size_t clientid1_len,
unsigned char clientid2[], size_t clientid2_len) {
printf("Checking hash operation for 2 hosts: clientid1-len=%lu"
"clientid2-len=%lu\n", (unsigned long) clientid1_len,
(unsigned long) clientid2_len);
dhcp_db_objects_setup ();
dhcp_common_objects_setup ();
/* check that there is actually zero hosts in the hash */
/* @todo: host_hash_for_each() */
struct host_decl *host1 = 0, *host2 = 0;
struct host_decl *check = 0;
/* === step 1: allocate hosts === */
ATF_CHECK_MSG(host_allocate(&host1, MDL) == ISC_R_SUCCESS,
"Failed to allocate host");
ATF_CHECK_MSG(host_allocate(&host2, MDL) == ISC_R_SUCCESS,
"Failed to allocate host");
ATF_CHECK_MSG(host_new_hash(&host_uid_hash, HOST_HASH_SIZE, MDL) != 0,
"Unable to create new hash");
ATF_CHECK_MSG(buffer_allocate(&host1->client_identifier.buffer,
clientid1_len, MDL) != 0,
"Can't allocate uid buffer for host1");
ATF_CHECK_MSG(buffer_allocate(&host2->client_identifier.buffer,
clientid2_len, MDL) != 0,
"Can't allocate uid buffer for host2");
/* setting up host1->client_identifier is actually not needed */
/*
ATF_CHECK_MSG(lease_set_clientid(host1, clientid1, actual1_len) != 0,
"Failed to set client-id for host1");
ATF_CHECK_MSG(lease_set_clientid(host2, clientid2, actual2_len) != 0,
"Failed to set client-id for host2");
*/
ATF_CHECK_MSG(host1->refcnt == 1, "Invalid refcnt for host1");
ATF_CHECK_MSG(host2->refcnt == 1, "Invalid refcnt for host2");
/* verify that our hosts are not in the hash yet */
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid1,
clientid1_len, MDL) == 0,
"Host1 is not supposed to be in the uid_hash.");
ATF_CHECK_MSG(!check, "Host1 is not supposed to be in the uid_hash.");
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid2,
clientid2_len, MDL) == 0,
"Host2 is not supposed to be in the uid_hash.");
ATF_CHECK_MSG(!check, "Host2 is not supposed to be in the uid_hash.");
/* === step 2: add first host to the hash === */
host_hash_add(host_uid_hash, clientid1, clientid1_len, host1, MDL);
/* 2 pointers expected: ours (host1) and the one stored in hash */
ATF_CHECK_MSG(host1->refcnt == 2, "Invalid refcnt for host1");
/* 1 pointer expected: just ours (host2) */
ATF_CHECK_MSG(host2->refcnt == 1, "Invalid refcnt for host2");
/* verify that host1 is really in the hash and the we can find it */
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid1,
clientid1_len, MDL),
"Host1 was supposed to be in the uid_hash.");
ATF_CHECK_MSG(check, "Host1 was supposed to be in the uid_hash.");
/* Hey! That's not the host we were looking for! */
ATF_CHECK_MSG(check == host1, "Wrong host returned by host_hash_lookup");
/* 3 pointers: host1, (stored in hash), check */
ATF_CHECK_MSG(host1->refcnt == 3, "Invalid refcnt for host1");
/* reference count should be increased because we not have a pointer */
host_dereference(&check, MDL); /* we don't need it now */
ATF_CHECK_MSG(check == NULL, "check pointer is supposed to be NULL");
/* 2 pointers: host1, (stored in hash) */
ATF_CHECK_MSG(host1->refcnt == 2, "Invalid refcnt for host1");
/* verify that host2 is not in the hash */
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid2,
clientid2_len, MDL) == 0,
"Host2 was not supposed to be in the uid_hash[2].");
ATF_CHECK_MSG(check == NULL, "Host2 was not supposed to be in the hash.");
/* === step 3: add second hot to the hash === */
host_hash_add(host_uid_hash, clientid2, clientid2_len, host2, MDL);
/* 2 pointers expected: ours (host1) and the one stored in hash */
ATF_CHECK_MSG(host2->refcnt == 2, "Invalid refcnt for host2");
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid2,
clientid2_len, MDL),
"Host2 was supposed to be in the uid_hash.");
ATF_CHECK_MSG(check, "Host2 was supposed to be in the uid_hash.");
/* Hey! That's not the host we were looking for! */
ATF_CHECK_MSG(check == host2, "Wrong host returned by host_hash_lookup");
/* 3 pointers: host1, (stored in hash), check */
ATF_CHECK_MSG(host2->refcnt == 3, "Invalid refcnt for host1");
host_dereference(&check, MDL); /* we don't need it now */
/* now we have 2 hosts in the hash */
/* verify that host1 is still in the hash and the we can find it */
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid1,
clientid1_len, MDL),
"Host1 was supposed to be in the uid_hash.");
ATF_CHECK_MSG(check, "Host1 was supposed to be in the uid_hash.");
/* Hey! That's not the host we were looking for! */
ATF_CHECK_MSG(check == host1, "Wrong host returned by host_hash_lookup");
/* 3 pointers: host1, (stored in hash), check */
ATF_CHECK_MSG(host1->refcnt == 3, "Invalid refcnt for host1");
host_dereference(&check, MDL); /* we don't need it now */
/**
* @todo check that there is actually two hosts in the hash.
* Use host_hash_for_each() for that.
*/
/* === step 4: remove first host from the hash === */
/* delete host from hash */
host_hash_delete(host_uid_hash, clientid1, clientid1_len, MDL);
ATF_CHECK_MSG(host1->refcnt == 1, "Invalid refcnt for host1");
ATF_CHECK_MSG(host2->refcnt == 2, "Invalid refcnt for host2");
/* verify that host1 is no longer in the hash */
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid1,
clientid1_len, MDL) == 0,
"Host1 is not supposed to be in the uid_hash.");
ATF_CHECK_MSG(!check, "Host1 is not supposed to be in the uid_hash.");
/* host2 should be still there, though */
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid2,
clientid2_len, MDL),
"Host2 was supposed to still be in the uid_hash.");
host_dereference(&check, MDL);
/* === step 5: remove second host from the hash === */
host_hash_delete(host_uid_hash, clientid2, clientid2_len, MDL);
ATF_CHECK_MSG(host1->refcnt == 1, "Invalid refcnt for host1");
ATF_CHECK_MSG(host2->refcnt == 1, "Invalid refcnt for host2");
ATF_CHECK_MSG(host_hash_lookup(&check, host_uid_hash, clientid2,
clientid2_len, MDL) == 0,
"Host2 was not supposed to be in the uid_hash anymore.");
host_dereference(&host1, MDL);
host_dereference(&host2, MDL);
/*
* No easy way to check if the host object were actually released.
* We could run it in valgrind and check for memory leaks.
*/
#if defined (DEBUG_MEMORY_LEAKAGE) && defined (DEBUG_MEMORY_LEAKAGE_ON_EXIT)
/* @todo: Should be called in cleanup */
free_everything ();
#endif
}
