diff options
Diffstat (limited to 'libglusterfs')
| -rw-r--r-- | libglusterfs/src/client_t.c | 27 | 
1 files changed, 19 insertions, 8 deletions
diff --git a/libglusterfs/src/client_t.c b/libglusterfs/src/client_t.c index 957eca60978..6e09a372ea0 100644 --- a/libglusterfs/src/client_t.c +++ b/libglusterfs/src/client_t.c @@ -171,6 +171,11 @@ gf_client_clienttable_destroy (clienttable_t *clienttable)  # define DECREMENT_ATOMIC(lk,op) ({ LOCK (&lk); --op; UNLOCK (&lk); op; })  #endif +/* + * Increments ref.bind if the client is already present or creates a new + * client with ref.bind = 1,ref.count = 1 it signifies that + * as long as ref.bind is > 0 client should be alive. + */  client_t *  gf_client_get (xlator_t *this, struct rpcsvc_auth_data *cred, char *client_uid)  { @@ -206,13 +211,10 @@ gf_client_get (xlator_t *this, struct rpcsvc_auth_data *cred, char *client_uid)                                                  client->auth.len) == 0))) {                                  INCREMENT_ATOMIC (client->ref.lock,                                                    client->ref.bind); -                                break; +                                goto unlock;                          }                  } -                if (client) { -                        gf_client_ref (client); -                        goto unlock; -                } +                  client = GF_CALLOC (1, sizeof(client_t), gf_common_mt_client_t);                  if (client == NULL) {                          errno = ENOMEM; @@ -285,11 +287,13 @@ gf_client_get (xlator_t *this, struct rpcsvc_auth_data *cred, char *client_uid)                  cliententry->client = client;                  clienttable->first_free = cliententry->next_free;                  cliententry->next_free = GF_CLIENTENTRY_ALLOCATED; -                gf_client_ref (client);          }  unlock:          UNLOCK (&clienttable->lock); +        gf_log_callingfn ("client_t", GF_LOG_DEBUG, "%s: bind_ref: %d, ref: %d", +                          client->client_uid, client->ref.bind, +                          client->ref.count);          return client;  } @@ -306,9 +310,10 @@ gf_client_put (client_t *client, gf_boolean_t *detached)          if (bind_ref == 0)                  unref = _gf_true; +        gf_log_callingfn ("client_t", GF_LOG_DEBUG, "%s: bind_ref: %d, ref: %d," +                          " unref: %d", client->client_uid, client->ref.bind, +                          client->ref.count, unref);          if (unref) { -                gf_log (THIS->name, GF_LOG_INFO, "Shutting down connection %s", -                        client->client_uid);                  if (detached)                          *detached = _gf_true;                  gf_client_unref (client); @@ -324,6 +329,8 @@ gf_client_ref (client_t *client)          }          INCREMENT_ATOMIC (client->ref.lock, client->ref.count); +        gf_log_callingfn ("client_t", GF_LOG_DEBUG, "%s: ref-count %d", +                          client->client_uid, client->ref.count);          return client;  } @@ -403,7 +410,11 @@ gf_client_unref (client_t *client)          }          refcount = DECREMENT_ATOMIC (client->ref.lock, client->ref.count); +        gf_log_callingfn ("client_t", GF_LOG_DEBUG, "%s: ref-count %d", +                          client->client_uid, (int)client->ref.count);          if (refcount == 0) { +                gf_log (THIS->name, GF_LOG_INFO, "Shutting down connection %s", +                        client->client_uid);                  client_destroy (client);          }  }  | 
