state_owner_t *get_9p_owner(struct sockaddr_storage *client_addr,
uint32_t proc_id)
{
state_owner_t key;
memset(&key, 0, sizeof(key));
key.so_type = STATE_LOCK_OWNER_9P;
key.so_refcount = 1;
key.so_owner.so_9p_owner.proc_id = proc_id;
memcpy(&key.so_owner.so_9p_owner.client_addr, client_addr,
sizeof(*client_addr));
return get_state_owner(CARE_ALWAYS, &key, NULL, NULL);
}
/**
* @brief Get an NLM owner
*
* @param[in] care Care status
* @param[in] client Related NLM client
* @param[in] oh Object handle
* @param[in] svid Owner ID
*/
state_owner_t *get_nlm_owner(care_t care, state_nlm_client_t *client,
netobj *oh, uint32_t svid)
{
state_owner_t key;
if (client == NULL || oh == NULL || oh->n_len > MAX_NETOBJ_SZ)
return NULL;
memset(&key, 0, sizeof(key));
key.so_type = STATE_LOCK_OWNER_NLM;
key.so_owner.so_nlm_owner.so_client = client;
key.so_owner.so_nlm_owner.so_nlm_svid = svid;
key.so_owner_len = oh->n_len;
key.so_owner_val = oh->n_bytes;
return get_state_owner(care, &key, init_nlm_owner, NULL);
}
/**
* @brief Create an NFSv4 state owner
*
* @param[in] name Owner name
* @param[in] clientid Client record
* @param[in] type Owner type
* @param[in] related_owner For lock owners, the related open owner
* @param[in] init_seqid The starting seqid (for NFSv4.0)
* @param[out] pisnew Whether the owner actually is new
* @param[in] care Care flag (to unify v3/v4 owners?)
*
* @return A new state owner or NULL.
*/
state_owner_t *create_nfs4_owner(state_nfs4_owner_name_t *name,
nfs_client_id_t *clientid,
state_owner_type_t type,
state_owner_t *related_owner,
unsigned int init_seqid, bool_t *pisnew,
care_t care)
{
state_owner_t key;
state_owner_t *owner;
bool_t isnew;
/* set up the content of the open_owner */
memset(&key, 0, sizeof(key));
key.so_type = type;
key.so_owner.so_nfs4_owner.so_seqid = init_seqid;
key.so_owner.so_nfs4_owner.so_related_owner = related_owner;
key.so_owner.so_nfs4_owner.so_clientid = clientid->cid_clientid;
key.so_owner.so_nfs4_owner.so_clientrec = clientid;
key.so_owner_len = name->son_owner_len;
key.so_owner_val = name->son_owner_val;
key.so_owner.so_nfs4_owner.so_resp.resop = NFS4_OP_ILLEGAL;
key.so_owner.so_nfs4_owner.so_args.argop = NFS4_OP_ILLEGAL;
key.so_refcount = 1;
#if 0
/* WAITING FOR COMMUNITY FIX */
/* setting lock owner confirmed */
if (type == STATE_LOCK_OWNER_NFSV4)
key.so_owner.so_nfs4_owner.so_confirmed = 1;
#endif
if (isFullDebug(COMPONENT_STATE)) {
char str[LOG_BUFF_LEN];
struct display_buffer dspbuf = {sizeof(str), str, str};
display_owner(&dspbuf, &key);
LogFullDebug(COMPONENT_STATE, "Key=%s", str);
}
owner = get_state_owner(care, &key, init_nfs4_owner, &isnew);
if (owner != NULL && related_owner != NULL) {
PTHREAD_MUTEX_lock(&owner->so_mutex);
/* Related owner already exists. */
if (owner->so_owner.so_nfs4_owner.so_related_owner == NULL) {
/* Attach related owner to owner now that we know it. */
inc_state_owner_ref(related_owner);
owner->so_owner.so_nfs4_owner.so_related_owner =
related_owner;
} else if (owner->so_owner.so_nfs4_owner.so_related_owner !=
related_owner) {
char str1[LOG_BUFF_LEN / 2];
char str2[LOG_BUFF_LEN / 2];
struct display_buffer dspbuf1 = {
sizeof(str1), str1, str1};
struct display_buffer dspbuf2 = {
sizeof(str2), str2, str2};
display_owner(&dspbuf1, related_owner);
display_owner(&dspbuf2, owner);
LogCrit(COMPONENT_NFS_V4_LOCK,
"Related {%s} doesn't match for {%s}", str1,
str2);
PTHREAD_MUTEX_unlock(&owner->so_mutex);
/* Release the reference to the owner. */
dec_state_owner_ref(owner);
return NULL;
}
PTHREAD_MUTEX_unlock(&owner->so_mutex);
}
if (!isnew && owner != NULL && pisnew != NULL) {
if (isDebug(COMPONENT_STATE)) {
char str[LOG_BUFF_LEN];
struct display_buffer dspbuf = {sizeof(str), str, str};
display_owner(&dspbuf, owner);
LogDebug(COMPONENT_STATE,
"Previously known owner {%s} is being reused",
str);
}
}
if (pisnew != NULL)
*pisnew = isnew;
return owner;
}
