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Commits per author per week (path 'CONTRIBUTING')

Author	W14 2026	W15 2026	W16 2026	W17 2026	Total
Total	0	0	0	0	0

OL_FAIL, "Failed to map " \ "FH to vol: client=%s, exportid=%s, gfid=%s",\ trans->peerinfo.identifier, exportid, \ gfid); \ gf_msg (GF_NLM, GF_LOG_ERROR, errno, \ NFS_MSG_VOLUME_ERROR, \ "Stale nfs client %s must be trying to "\ "connect to a deleted volume, please " \ "unmount it.", trans->peerinfo.identifier);\ status = nlm4_stale_fh; \ goto label; \ } else { \ gf_msg_trace (GF_NLM, 0, "FH to Volume: %s" \ , volume->name); \ rpcsvc_request_set_private (req, volume); \ } \ } while (0); \ #define nlm4_volume_started_check(nfs3state, vlm, rtval, erlbl) \ do { \ if ((!nfs_subvolume_started (nfs_state (nfs3state->nfsx), vlm))){\ gf_msg (GF_NLM, GF_LOG_ERROR, 0, NFS_MSG_VOL_DISABLE, \ "Volume is disabled: %s", \ vlm->name); \ rtval = RPCSVC_ACTOR_IGNORE; \ goto erlbl; \ } \ } while (0) \ #define nlm4_check_fh_resolve_status(cst, nfstat, erlabl) \ do { \ xlator_t *xlatorp = NULL; \ char buf[256], gfid[256]; \ rpc_transport_t *trans = NULL; \ if ((cst)->resolve_ret < 0) { \ trans = rpcsvc_request_transport (cst->req); \ xlatorp = nfs3_fh_to_xlator (cst->nfs3state, \ &cst->resolvefh); \ gf_uuid_unparse (cst->resolvefh.gfid, gfid); \ snprintf (buf, sizeof (buf), "(%s) %s : %s", \ trans->peerinfo.identifier, \ xlatorp ? xlatorp->name : "ERR", \ gfid); \ gf_msg (GF_NLM, GF_LOG_ERROR, 0, \ NFS_MSG_RESOLVE_FH_FAIL, "Unable to resolve FH"\ ": %s", buf); \ nfstat = nlm4_errno_to_nlm4stat (cst->resolve_errno);\ goto erlabl; \ } \ } while (0) \ void nlm4_prep_nlm4_testargs (nlm4_testargs *args, struct nfs3_fh *fh, nlm4_lkowner_t *oh, char *cookiebytes) { memset (args, 0, sizeof (*args)); args->alock.fh.nlm4_netobj_val = (void *)fh; args->alock.oh.nlm4_netobj_val = (void *)oh; args->cookie.nlm4_netobj_val = (void *)cookiebytes; } void nlm4_prep_nlm4_lockargs (nlm4_lockargs *args, struct nfs3_fh *fh, nlm4_lkowner_t *oh, char *cookiebytes) { memset (args, 0, sizeof (*args)); args->alock.fh.nlm4_netobj_val = (void *)fh; args->alock.oh.nlm4_netobj_val = (void *)oh; args->cookie.nlm4_netobj_val = (void *)cookiebytes; } void nlm4_prep_nlm4_cancargs (nlm4_cancargs *args, struct nfs3_fh *fh, nlm4_lkowner_t *oh, char *cookiebytes) { memset (args, 0, sizeof (*args)); args->alock.fh.nlm4_netobj_val = (void *)fh; args->alock.oh.nlm4_netobj_val = (void *)oh; args->cookie.nlm4_netobj_val = (void *)cookiebytes; } void nlm4_prep_nlm4_unlockargs (nlm4_unlockargs *args, struct nfs3_fh *fh, nlm4_lkowner_t *oh, char *cookiebytes) { memset (args, 0, sizeof (*args)); args->alock.fh.nlm4_netobj_val = (void *)fh; args->alock.oh.nlm4_netobj_val = (void *)oh; args->cookie.nlm4_netobj_val = (void *)cookiebytes; } void nlm4_prep_shareargs (nlm4_shareargs *args, struct nfs3_fh *fh, nlm4_lkowner_t *oh, char *cookiebytes) { memset (args, 0, sizeof (*args)); args->share.fh.nlm4_netobj_val = (void *)fh; args->share.oh.nlm4_netobj_val = (void *)oh; args->cookie.nlm4_netobj_val = (void *)cookiebytes; } void nlm4_prep_freeallargs (nlm4_freeallargs *args, nlm4_lkowner_t *oh) { memset (args, 0, sizeof (*args)); args->name = (void *)oh; } void nlm_copy_lkowner (gf_lkowner_t *dst, nlm4_netobj *src) { dst->len = src->nlm4_netobj_len; memcpy (dst->data, src->nlm4_netobj_val, dst->len); } int nlm_is_oh_same_lkowner (gf_lkowner_t *a, nlm4_netobj *b) { if (!a || !b) { gf_msg (GF_NLM, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "invalid args"); return -1; } return (a->len == b->nlm4_netobj_len && !memcmp (a->data, b->nlm4_netobj_val, a->len)); } nlm4_stats nlm4_errno_to_nlm4stat (int errnum) { nlm4_stats stat = nlm4_denied; switch (errnum) { case 0: stat = nlm4_granted; break; case EROFS: stat = nlm4_rofs; break; case ESTALE: stat = nlm4_stale_fh; break; case ENOLCK: stat = nlm4_failed; break; default: stat = nlm4_denied; break; } return stat; } nfs3_call_state_t * nlm4_call_state_init (struct nfs3_state *s, rpcsvc_request_t *req) { nfs3_call_state_t *cs = NULL; if ((!s) || (!req)) return NULL; cs = (nfs3_call_state_t *) mem_get (s->localpool); if (!cs) return NULL; memset (cs, 0, sizeof (*cs)); INIT_LIST_HEAD (&cs->entries.list); INIT_LIST_HEAD (&cs->openwait_q); cs->operrno = EINVAL; cs->req = req; cs->nfsx = s->nfsx; cs->nfs3state = s; cs->monitor = 1; return cs; } int nlm_monitor (char *caller_name) { nlm_client_t *nlmclnt = NULL; int monitor = -1; LOCK (&nlm_client_list_lk); list_for_each_entry (nlmclnt, &nlm_client_list, nlm_clients) { if (!strcmp(caller_name, nlmclnt->caller_name)) { monitor = nlmclnt->nsm_monitor; nlmclnt->nsm_monitor = 1; break; } } UNLOCK (&nlm_client_list_lk); if (monitor == -1) gf_msg (GF_NLM, GF_LOG_ERROR, 0, NFS_MSG_CALLER_NOT_FOUND, "%s was not found in the nlmclnt list", caller_name); return monitor; } rpc_clnt_t * nlm_get_rpc_clnt (char *caller_name) { nlm_client_t *nlmclnt = NULL; int nlmclnt_found = 0; rpc_clnt_t *rpc_clnt = NULL; LOCK (&nlm_client_list_lk); list_for_each_entry (nlmclnt, &nlm_client_list, nlm_clients) { if (!strcmp(caller_name, nlmclnt->caller_name)) { nlmclnt_found = 1; break; } } if (!nlmclnt_found) goto ret; if (nlmclnt->rpc_clnt) rpc_clnt = rpc_clnt_ref (nlmclnt->rpc_clnt); ret: UNLOCK (&nlm_client_list_lk); return rpc_clnt; } int nlm_set_rpc_clnt (rpc_clnt_t *rpc_clnt, char *caller_name) { nlm_client_t *nlmclnt = NULL; int nlmclnt_found = 0; int ret = -1; LOCK (&nlm_client_list_lk); list_for_each_entry (nlmclnt, &nlm_client_list, nlm_clients) { if (!strcmp(caller_name, nlmclnt->caller_name)) { nlmclnt_found = 1; break; } } if (!nlmclnt_found) { nlmclnt = GF_CALLOC (1, sizeof(*nlmclnt), gf_nfs_mt_nlm4_nlmclnt); if (nlmclnt == NULL) goto ret; INIT_LIST_HEAD(&nlmclnt->fdes); INIT_LIST_HEAD(&nlmclnt->nlm_clients); INIT_LIST_HEAD(&nlmclnt->shares); list_add (&nlmclnt->nlm_clients, &nlm_client_list); nlmclnt->caller_name = gf_strdup (caller_name); } if (nlmclnt->rpc_clnt == NULL) { nlmclnt->rpc_clnt = rpc_clnt_ref (rpc_clnt); } ret = 0; ret: UNLOCK (&nlm_client_list_lk); return ret; } int nlm_unset_rpc_clnt (rpc_clnt_t *rpc) { nlm_client_t *nlmclnt = NULL; rpc_clnt_t *rpc_clnt = NULL; LOCK (&nlm_client_list_lk); list_for_each_entry (nlmclnt, &nlm_client_list, nlm_clients) { if (rpc == nlmclnt->rpc_clnt) { rpc_clnt = nlmclnt->rpc_clnt; nlmclnt->rpc_clnt = NULL; break; } } UNLOCK (&nlm_client_list_lk); if (rpc_clnt == NULL) { return -1; } if (rpc_clnt) { /* cleanup the saved-frames before last unref */ rpc_clnt_connection_cleanup (&rpc_clnt->conn); rpc_clnt_unref (rpc_clnt); } return 0; } int nlm_add_nlmclnt (char *caller_name) { nlm_client_t *nlmclnt = NULL; int nlmclnt_found = 0; int ret = -1; LOCK (&nlm_client_list_lk); list_for_each_entry (nlmclnt, &nlm_client_list, nlm_clients) { if (!strcmp(caller_name, nlmclnt->caller_name)) { nlmclnt_found = 1; break; } } if (!nlmclnt_found) { nlmclnt = GF_CALLOC (1, sizeof(*nlmclnt), gf_nfs_mt_nlm4_nlmclnt); if (nlmclnt == NULL) { gf_msg (GF_NLM, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "malloc error"); goto ret; } INIT_LIST_HEAD(&nlmclnt->fdes); INIT_LIST_HEAD(&nlmclnt->nlm_clients); INIT_LIST_HEAD(&nlmclnt->shares); list_add (&nlmclnt->nlm_clients, &nlm_client_list); nlmclnt->caller_name = gf_strdup (caller_name); } ret = 0; ret: UNLOCK (&nlm_client_list_lk); return ret; } int nlm4svc_submit_reply (rpcsvc_request_t *req, void *arg, nlm4_serializer sfunc) { struct iovec outmsg = {0, }; struct iobuf *iob = NULL; struct nfs3_state *nfs3 = NULL; int ret = -1; ssize_t msglen = 0; struct iobref *iobref = NULL; if (!req) return -1; nfs3 = (struct nfs3_state *)rpcsvc_request_program_private (req); if (!nfs3) { gf_msg (GF_NLM, GF_LOG_ERROR, EINVAL, NFS_MSG_MNT_STATE_NOT_FOUND, "mount state not found"); goto ret; } /* First, get the io buffer into which the reply in arg will * be serialized. */ iob = iobuf_get (nfs3->iobpool); if (!iob) { gf_msg (GF_NLM, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "Failed to get iobuf"); goto ret; } iobuf_to_iovec (iob, &outmsg); /* Use the given serializer to translate the give C structure in arg * to XDR format which will be written into the buffer in outmsg. */ msglen = sfunc (outmsg, arg); if (msglen < 0) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_ENCODE_MSG_FAIL, "Failed to encode message"); goto ret; } outmsg.iov_len = msglen; iobref = iobref_new (); if (iobref == NULL) { gf_msg (GF_NLM, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "Failed to get iobref"); goto ret; } ret = iobref_add (iobref, iob); if (ret) { gf_msg (GF_NLM, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "Failed to add iob to iobref"); goto ret; } /* Then, submit the message for transmission. */ ret = rpcsvc_submit_message (req, &outmsg, 1, NULL, 0, iobref); if (ret == -1) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_REP_SUBMIT_FAIL, "Reply submission failed"); goto ret; } ret = 0; ret: if (iob) iobuf_unref (iob); if (iobref) iobref_unref (iobref); return ret; } typedef int (*nlm4_resume_fn_t) (void *cs); int32_t nlm4_file_open_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, fd_t *fd, dict_t *xdata) { nfs3_call_state_t *cs = frame->local; if (op_ret == 0) fd_bind (cs->fd); cs->resolve_ret = op_ret; cs->resume_fn (cs); frame->local = NULL; STACK_DESTROY (frame->root); return 0; } void * nsm_monitor(void *arg) { CLIENT *clnt = NULL; enum clnt_stat ret; struct mon nsm_mon; struct sm_stat_res res; struct timeval tout = { 5, 0 }; char *host = NULL; host = arg; nsm_mon.mon_id.mon_name = gf_strdup(host); nsm_mon.mon_id.my_id.my_name = gf_strdup("localhost"); nsm_mon.mon_id.my_id.my_prog = NLMCBK_PROGRAM; nsm_mon.mon_id.my_id.my_vers = NLMCBK_V1; nsm_mon.mon_id.my_id.my_proc = NLMCBK_SM_NOTIFY; /* nothing to put in the private data */ #define SM_PROG 100024 #define SM_VERS 1 #define SM_MON 2 /* create a connection to nsm on the localhost */ clnt = clnt_create("localhost", SM_PROG, SM_VERS, "tcp"); if(!clnt) { gf_msg (GF_NLM, GF_LOG_ERROR, 0, NFS_MSG_CLNT_CREATE_ERROR, "%s", clnt_spcreateerror ("Clnt_create()")); goto out; } ret = clnt_call(clnt, SM_MON, (xdrproc_t) xdr_mon, (caddr_t) & nsm_mon, (xdrproc_t) xdr_sm_stat_res, (caddr_t) & res, tout); if(ret != RPC_SUCCESS) { gf_msg (GF_NLM, GF_LOG_ERROR, 0, NFS_MSG_CLNT_CALL_ERROR, "clnt_call(): %s", clnt_sperrno(ret)); goto out; } if(res.res_stat != STAT_SUCC) { gf_msg (GF_NLM, GF_LOG_ERROR, 0, NFS_MSG_CLNT_CALL_ERROR, "clnt_call(): %s", clnt_sperrno(ret)); goto out; } out: GF_FREE(nsm_mon.mon_id.mon_name); GF_FREE(nsm_mon.mon_id.my_id.my_name); if (clnt != NULL) clnt_destroy(clnt); return NULL; } nlm_client_t * __nlm_get_uniq (char *caller_name) { nlm_client_t *nlmclnt = NULL; if (!caller_name) return NULL; list_for_each_entry (nlmclnt, &nlm_client_list, nlm_clients) { if (!strcmp(caller_name, nlmclnt->caller_name)) return nlmclnt; } return NULL; } nlm_client_t * nlm_get_uniq (char *caller_name) { nlm_client_t *nlmclnt = NULL; LOCK (&nlm_client_list_lk); nlmclnt = __nlm_get_uniq (caller_name); UNLOCK (&nlm_client_list_lk); return nlmclnt; } int nlm4_file_open_and_resume(nfs3_call_state_t *cs, nlm4_resume_fn_t resume) { fd_t *fd = NULL; int ret = -1; int flags = 0; nlm_client_t *nlmclnt = NULL; call_frame_t *frame = NULL; if (cs->args.nlm4_lockargs.exclusive == _gf_false) flags = O_RDONLY; else flags = O_WRONLY; nlmclnt = nlm_get_uniq (cs->args.nlm4_lockargs.alock.caller_name); if (nlmclnt == NULL) { gf_msg (GF_NLM, GF_LOG_ERROR, ENOLCK, NFS_MSG_NO_MEMORY, "nlm_get_uniq() " "returned NULL"); ret = -ENOLCK; goto err; } cs->resume_fn = resume; fd = fd_lookup_uint64 (cs->resolvedloc.inode, (uint64_t)nlmclnt); if (fd) { cs->fd = fd; cs->resolve_ret = 0; cs->resume_fn(cs); ret = 0; goto err; } fd = fd_create_uint64 (cs->resolvedloc.inode, (uint64_t)nlmclnt); if (fd == NULL) { gf_msg (GF_NLM, GF_LOG_ERROR, ENOLCK, NFS_MSG_NO_MEMORY, "fd_create_uint64() returned NULL"); ret = -ENOLCK; goto err; } cs->fd = fd; frame = create_frame (cs->nfsx, cs->nfsx->ctx->pool); if (!frame) { gf_msg (GF_NLM, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "unable to create frame"); ret = -ENOMEM; goto err; } frame->root->pid = NFS_PID; frame->root->uid = rpcsvc_request_uid (cs->req); frame->root->gid = rpcsvc_request_gid (cs->req); frame->local = cs; nfs_fix_groups (cs->nfsx, frame->root); STACK_WIND_COOKIE (frame, nlm4_file_open_cbk, cs->vol, cs->vol, cs->vol->fops->open, &cs->resolvedloc, flags, cs->fd, NULL); ret = 0; err: return ret; } int nlm4_generic_reply (rpcsvc_request_t *req, nlm4_netobj cookie, nlm4_stats stat) { nlm4_res res; memset (&res, 0, sizeof (res)); res.cookie = cookie; res.stat.stat = stat; nlm4svc_submit_reply (req, (void *)&res, (nlm4_serializer)xdr_serialize_nlm4_res); return 0; } int nlm4svc_null (rpcsvc_request_t *req) { struct iovec dummyvec = {0, }; if (!req) { gf_msg (GF_NLM, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "Got NULL request!"); return 0; } rpcsvc_submit_generic (req, &dummyvec, 1, NULL, 0, NULL); return 0; } int nlm4_gf_flock_to_holder (nlm4_holder *holder, struct gf_flock *flock) { switch (flock->l_type) { case GF_LK_F_WRLCK: holder->exclusive = 1; break; } holder->svid = flock->l_pid; holder->l_offset = flock->l_start; holder->l_len = flock->l_len; return 0; } int nlm4_lock_to_gf_flock (struct gf_flock *flock, nlm4_lock *lock, int excl) { flock->l_pid = lock->svid; flock->l_start = lock->l_offset; flock->l_len = lock->l_len; if (excl) flock->l_type = F_WRLCK; else flock->l_type = F_RDLCK; flock->l_whence = SEEK_SET; nlm_copy_lkowner (&flock->l_owner, &lock->oh); return 0; } rpc_clnt_procedure_t nlm4_clnt_actors[NLM4_PROC_COUNT] = { [NLM4_NULL] = {"NULL", NULL}, [NLM4_GRANTED] = {"GRANTED", NULL}, }; char *nlm4_clnt_names[NLM4_PROC_COUNT] = { [NLM4_NULL] = "NULL", [NLM4_GRANTED] = "GRANTED", }; rpc_clnt_prog_t nlm4clntprog = { .progname = "NLMv4", .prognum = NLM_PROGRAM, .progver = NLM_V4, .numproc = NLM4_PROC_COUNT, .proctable = nlm4_clnt_actors, .procnames = nlm4_clnt_names, }; int nlm4_test_reply (nfs3_call_state_t *cs, nlm4_stats stat, struct gf_flock *flock) { nlm4_testres res; memset (&res, 0, sizeof (res)); res.cookie = cs->args.nlm4_testargs.cookie; res.stat.stat = stat; if (stat == nlm4_denied) nlm4_gf_flock_to_holder (&res.stat.nlm4_testrply_u.holder, flock); nlm4svc_submit_reply (cs->req, (void *)&res, (nlm4_serializer)xdr_serialize_nlm4_testres); return 0; } int nlm4svc_test_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct gf_flock *flock, dict_t *xdata) { nlm4_stats stat = nlm4_denied; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nlm4_errno_to_nlm4stat (op_errno); goto err; } else if (flock->l_type == F_UNLCK) stat = nlm4_granted; err: nlm4_test_reply (cs, stat, flock); nfs3_call_state_wipe (cs); return 0; } int nlm4_test_fd_resume (void *carg) { int ret = -EFAULT; nfs_user_t nfu = {0, }; nfs3_call_state_t *cs = NULL; struct gf_flock flock = {0, }; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs_request_user_init (&nfu, cs->req); nlm4_lock_to_gf_flock (&flock, &cs->args.nlm4_testargs.alock, cs->args.nlm4_testargs.exclusive); nlm_copy_lkowner (&nfu.lk_owner, &cs->args.nlm4_testargs.alock.oh); ret = nfs_lk (cs->nfsx, cs->vol, &nfu, cs->fd, F_GETLK, &flock, nlm4svc_test_cbk, cs); return ret; } int nlm4_test_resume (void *carg) { nlm4_stats stat = nlm4_failed; int ret = -1; nfs3_call_state_t *cs = NULL; fd_t *fd = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nlm4_check_fh_resolve_status (cs, stat, nlm4err); fd = fd_anonymous (cs->resolvedloc.inode); if (!fd) goto nlm4err; cs->fd = fd; ret = nlm4_test_fd_resume (cs); nlm4err: if (ret < 0) { gf_msg (GF_NLM, GF_LOG_ERROR, -ret, NFS_MSG_OPEN_FAIL, "unable to open_and_resume"); stat = nlm4_errno_to_nlm4stat (-ret); nlm4_test_reply (cs, stat, NULL); nfs3_call_state_wipe (cs); } return ret; } int nlm4svc_test (rpcsvc_request_t *req) { xlator_t *vol = NULL; nlm4_stats stat = nlm4_failed; struct nfs_state *nfs = NULL; nfs3_state_t *nfs3 = NULL; nfs3_call_state_t *cs = NULL; int ret = RPCSVC_ACTOR_ERROR; struct nfs3_fh fh = {{0}, }; if (!req) return ret; nlm4_validate_nfs3_state (req, nfs3, stat, rpcerr, ret); nfs = nfs_state (nfs3->nfsx); nlm4_handle_call_state_init (nfs->nfs3state, cs, req, stat, rpcerr); nlm4_prep_nlm4_testargs (&cs->args.nlm4_testargs, &fh, &cs->lkowner, cs->cookiebytes); if (xdr_to_nlm4_testargs(req->msg[0], &cs->args.nlm4_testargs) <= 0) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr (req, GARBAGE_ARGS); goto rpcerr; } nlm4_validate_gluster_fh (&fh, stat, nlm4err); nlm4_map_fh_to_volume (cs->nfs3state, fh, req, vol, stat, nlm4err); if (nlm_grace_period) { gf_msg (GF_NLM, GF_LOG_WARNING, 0, NFS_MSG_NLM_GRACE_PERIOD, "NLM in grace period"); stat = nlm4_denied_grace_period; nlm4_test_reply (cs, stat, NULL); nfs3_call_state_wipe (cs); return 0; } cs->vol = vol; nlm4_volume_started_check (nfs3, vol, ret, rpcerr); ret = nfs3_fh_resolve_and_resume (cs, &fh, NULL, nlm4_test_resume); nlm4err: if (ret < 0) { gf_msg (GF_NLM, GF_LOG_ERROR, -ret, NFS_MSG_RESOLVE_ERROR, "unable to resolve and resume"); nlm4_test_reply (cs, stat, NULL); nfs3_call_state_wipe (cs); return 0; } rpcerr: if (ret < 0) nfs3_call_state_wipe (cs); return ret; } int nlm4svc_send_granted_cbk (struct rpc_req *req, struct iovec *iov, int count, void *myframe) { STACK_DESTROY (((call_frame_t*)myframe)->root); return 0; } void nlm4svc_send_granted (nfs3_call_state_t *cs); int nlm_rpcclnt_notify (struct rpc_clnt *rpc_clnt, void *mydata, rpc_clnt_event_t fn, void *data) { int ret = 0; char *caller_name = NULL; nfs3_call_state_t *cs = NULL; cs = mydata; caller_name = cs->args.nlm4_lockargs.alock.caller_name; switch (fn) { case RPC_CLNT_CONNECT: ret = nlm_set_rpc_clnt (rpc_clnt, caller_name); if (ret == -1) { gf_msg (GF_NLM, GF_LOG_ERROR, 0, NFS_MSG_RPC_CLNT_ERROR, "Failed to set " "rpc clnt"); goto err; } rpc_clnt_unref (rpc_clnt); nlm4svc_send_granted (cs); break; case RPC_CLNT_MSG: break; case RPC_CLNT_DISCONNECT: nlm_unset_rpc_clnt (rpc_clnt); break; default: break; } err: return 0; } void * nlm4_establish_callback (void *csarg) { int ret = -1; nfs3_call_state_t *cs = NULL; union gf_sock_union sock_union; dict_t *options = NULL; char peerip[INET6_ADDRSTRLEN+1] = {0}; char *portstr = NULL; char myip[INET6_ADDRSTRLEN+1] = {0}; rpc_clnt_t *rpc_clnt = NULL; int port = -1; cs = (nfs3_call_state_t *) csarg; glusterfs_this_set (cs->nfsx); rpc_transport_get_peeraddr (cs->trans, NULL, 0, &sock_union.storage, sizeof (sock_union.storage)); switch (sock_union.sa.sa_family) { case AF_INET6: /* can not come here as NLM listens on IPv4 */ gf_msg (GF_NLM, GF_LOG_ERROR, EAFNOSUPPORT, NFS_MSG_UNSUPPORTED_VERSION, "NLM is not supported on IPv6 in this release"); goto err; /* inet_ntop (AF_INET6, &((struct sockaddr_in6 *)sockaddr)->sin6_addr, peerip, INET6_ADDRSTRLEN+1); break; */ case AF_INET: inet_ntop (AF_INET, &sock_union.sin.sin_addr, peerip, INET6_ADDRSTRLEN+1); inet_ntop (AF_INET, &(((struct sockaddr_in *)&cs->trans->myinfo.sockaddr)->sin_addr), myip, INET6_ADDRSTRLEN + 1); break; default: break; /* FIXME: handle the error */ } /* looks like libc rpc supports only ipv4 */ port = pmap_getport (&sock_union.sin, NLM_PROGRAM, NLM_V4, IPPROTO_TCP); if (port == 0) { gf_msg (GF_NLM, GF_LOG_ERROR, 0, NFS_MSG_GET_PORT_ERROR, "Unable to get NLM port of the client." " Is the firewall running on client?" " OR Are RPC services running (rpcinfo -p)?"); goto err; } options = dict_new(); ret = dict_set_str (options, "transport-type", "socket"); if (ret == -1) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_DICT_SET_FAILED, "dict_set_str error"); goto err; } ret = dict_set_dynstr (options, "remote-host", gf_strdup (peerip)); if (ret == -1) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_DICT_SET_FAILED, "dict_set_str error"); goto err; } ret = gf_asprintf (&portstr, "%d", port); if (ret == -1) goto err; ret = dict_set_dynstr (options, "remote-port", portstr); if (ret == -1) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_DICT_SET_FAILED, "dict_set_dynstr error"); goto err; } /* needed in case virtual IP is used */ ret = dict_set_dynstr (options, "transport.socket.source-addr", gf_strdup (myip)); if (ret == -1) goto err; ret = dict_set_str (options, "auth-null", "on"); if (ret == -1) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_DICT_SET_FAILED, "dict_set_dynstr error"); goto err; } /* TODO: is 32 frames in transit enough ? */ rpc_clnt = rpc_clnt_new (options, cs->nfsx->ctx, "NLM-client", 32); if (rpc_clnt == NULL) { gf_msg (GF_NLM, GF_LOG_ERROR, EINVAL, NFS_MSG_INVALID_ENTRY, "rpc_clnt NULL"); goto err; } ret = rpc_clnt_register_notify (rpc_clnt, nlm_rpcclnt_notify, cs); if (ret == -1) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_RPC_CLNT_ERROR, "rpc_clnt_register_connect error"); goto err; } /* After this connect succeeds, granted msg is sent in notify */ ret = rpc_transport_connect (rpc_clnt->conn.trans, port); if (ret == -1 && EINPROGRESS == errno) ret = 0; err: if (ret == -1 && rpc_clnt) { rpc_clnt_unref (rpc_clnt); } return rpc_clnt; } void nlm4svc_send_granted (nfs3_call_state_t *cs) { int ret = -1; rpc_clnt_t *rpc_clnt = NULL; struct iovec outmsg = {0, }; nlm4_testargs testargs; struct iobuf *iobuf = NULL; struct iobref *iobref = NULL; char peerip[INET6_ADDRSTRLEN+1]; union gf_sock_union sock_union; rpc_clnt = nlm_get_rpc_clnt (cs->args.nlm4_lockargs.alock.caller_name); if (rpc_clnt == NULL) { nlm4_establish_callback ((void*)cs); return; } rpc_transport_get_peeraddr (cs->trans, NULL, 0, &sock_union.storage, sizeof (sock_union.storage)); switch (sock_union.sa.sa_family) { case AF_INET6: inet_ntop (AF_INET6, &sock_union.sin6.sin6_addr, peerip, INET6_ADDRSTRLEN+1); break; case AF_INET: inet_ntop (AF_INET, &sock_union.sin.sin_addr, peerip, INET6_ADDRSTRLEN+1); break; default: break; } testargs.cookie = cs->args.nlm4_lockargs.cookie; testargs.exclusive = cs->args.nlm4_lockargs.exclusive; testargs.alock = cs->args.nlm4_lockargs.alock; iobuf = iobuf_get (cs->nfs3state->iobpool); if (!iobuf) { gf_msg (GF_NLM, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "Failed to get iobuf"); goto ret; } iobuf_to_iovec (iobuf, &outmsg); /* Use the given serializer to translate the give C structure in arg * to XDR format which will be written into the buffer in outmsg. */ outmsg.iov_len = xdr_serialize_nlm4_testargs (outmsg, &testargs); iobref = iobref_new (); if (iobref == NULL) { gf_msg (GF_NLM, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "Failed to get iobref"); goto ret; } ret = iobref_add (iobref, iobuf); if (ret) { gf_msg (GF_NLM, GF_LOG_ERROR, ENOMEM, NFS_MSG_NO_MEMORY, "Failed to add iob to iobref"); goto ret; } ret = rpc_clnt_submit (rpc_clnt, &nlm4clntprog, NLM4_GRANTED, nlm4svc_send_granted_cbk, &outmsg, 1, NULL, 0, iobref, cs->frame, NULL, 0, NULL, 0, NULL); if (ret < 0) { gf_msg (GF_NLM, GF_LOG_ERROR, -ret, NFS_MSG_RPC_CLNT_ERROR, "rpc_clnt_submit error"); goto ret; } ret: if (iobref) iobref_unref (iobref); if (iobuf) iobuf_unref (iobuf); rpc_clnt_unref (rpc_clnt); nfs3_call_state_wipe (cs); return; } int nlm_cleanup_fds (char *caller_name) { int nlmclnt_found = 0; nlm_fde_t *fde = NULL, *tmp = NULL; nlm_client_t *nlmclnt = NULL; LOCK (&nlm_client_list_lk); list_for_each_entry (nlmclnt, &nlm_client_list, nlm_clients) { if (!strcmp(caller_name, nlmclnt->caller_name)) { nlmclnt_found = 1; break; } } if (!nlmclnt_found) goto ret; if (list_empty (&nlmclnt->fdes)) goto ret; list_for_each_entry_safe (fde, tmp, &nlmclnt->fdes, fde_list) { fd_unref (fde->fd); list_del (&fde->fde_list); GF_FREE (fde); } ret: UNLOCK (&nlm_client_list_lk); return 0; } void nlm_search_and_delete (fd_t *fd, char *caller_name) { nlm_fde_t *fde = NULL; nlm_client_t *nlmclnt = NULL; int nlmclnt_found = 0; int fde_found = 0; int transit_cnt = 0; LOCK (&nlm_client_list_lk); list_for_each_entry (nlmclnt, &nlm_client_list, nlm_clients) { if (!strcmp(caller_name, nlmclnt->caller_name)) { nlmclnt_found = 1; break; } } if (!nlmclnt_found) goto ret; list_for_each_entry (fde, &nlmclnt->fdes, fde_list) { if (fde->fd == fd) { fde_found = 1; break; } } if (!fde_found) goto ret; transit_cnt = fde->transit_cnt; if (transit_cnt) goto ret; list_del (&fde->fde_list); ret: UNLOCK (&nlm_client_list_lk); if (fde_found && !transit_cnt) { fd_unref (fde->fd); GF_FREE (fde); } return; } int nlm_dec_transit_count (fd_t *fd, char *caller_name) { nlm_fde_t *fde = NULL; nlm_client_t *nlmclnt = NULL; int nlmclnt_found = 0; int fde_found = 0; int transit_cnt = -1; LOCK (&nlm_client_list_lk); list_for_each_entry (nlmclnt, &nlm_client_list, nlm_clients) { if (!strcmp(caller_name, nlmclnt->caller_name)) { nlmclnt_found = 1; break; } } if (!nlmclnt_found) { gf_msg (GF_NLM, GF_LOG_ERROR, 0, NFS_MSG_NLMCLNT_NOT_FOUND, "nlmclnt not found"); nlmclnt = NULL; goto ret; } list_for_each_entry (fde, &nlmclnt->fdes, fde_list) { if (fde->fd == fd) { fde_found = 1; break; } } if (fde_found) { transit_cnt = --fde->transit_cnt; goto ret; } ret: UNLOCK (&nlm_client_list_lk); return transit_cnt; } nlm_client_t * nlm_search_and_add (fd_t *fd, char *caller_name) { nlm_fde_t *fde = NULL; nlm_client_t *nlmclnt = NULL; int nlmclnt_found = 0; int fde_found = 0; LOCK (&nlm_client_list_lk); list_for_each_entry (nlmclnt, &nlm_client_list, nlm_clients) { if (!strcmp(caller_name, nlmclnt->caller_name)) { nlmclnt_found = 1; break; } } if (!nlmclnt_found) { gf_msg (GF_NLM, GF_LOG_ERROR, 0, NFS_MSG_NLMCLNT_NOT_FOUND, "nlmclnt not found"); nlmclnt = NULL; goto ret; } list_for_each_entry (fde, &nlmclnt->fdes, fde_list) { if (fde->fd == fd) { fde_found = 1; break; } } if (fde_found) goto ret; fde = GF_CALLOC (1, sizeof (*fde), gf_nfs_mt_nlm4_fde); fde->fd = fd_ref (fd); list_add (&fde->fde_list, &nlmclnt->fdes); ret: if (nlmclnt_found && fde) fde->transit_cnt++; UNLOCK (&nlm_client_list_lk); return nlmclnt; } int nlm4svc_lock_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct gf_flock *flock, dict_t *xdata) { nlm4_stats stat = nlm4_denied; int transit_cnt = -1; char *caller_name = NULL; nfs3_call_state_t *cs = NULL; pthread_t thr; cs = frame->local; caller_name = cs->args.nlm4_lockargs.alock.caller_name; transit_cnt = nlm_dec_transit_count (cs->fd, caller_name); if (op_ret == -1) { if (transit_cnt == 0) nlm_search_and_delete (cs->fd, caller_name); stat = nlm4_errno_to_nlm4stat (op_errno); goto err; } else { stat = nlm4_granted; if (cs->monitor && !nlm_monitor (caller_name)) { /* FIXME: handle nsm_monitor failure */ pthread_create (&thr, NULL, nsm_monitor, (void*)caller_name); } } err: if (cs->args.nlm4_lockargs.block) { cs->frame = copy_frame (frame); frame->local = NULL; nlm4svc_send_granted (cs); } else { nlm4_generic_reply (cs->req, cs->args.nlm4_lockargs.cookie, stat); nfs3_call_state_wipe (cs); } return 0; } int nlm4_lock_fd_resume (void *carg) { nlm4_stats stat = nlm4_denied; int ret = -EFAULT; nfs_user_t nfu = {0, }; nfs3_call_state_t *cs = NULL; struct gf_flock flock = {0, }; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nlm4_check_fh_resolve_status (cs, stat, nlm4err); (void) nlm_search_and_add (cs->fd, cs->args.nlm4_lockargs.alock.caller_name); nfs_request_user_init (&nfu, cs->req); nlm4_lock_to_gf_flock (&flock, &cs->args.nlm4_lockargs.alock, cs->args.nlm4_lockargs.exclusive); nlm_copy_lkowner (&nfu.lk_owner, &cs->args.nlm4_lockargs.alock.oh); if (cs->args.nlm4_lockargs.block) { nlm4_generic_reply (cs->req, cs->args.nlm4_lockargs.cookie, nlm4_blocked); ret = nfs_lk (cs->nfsx, cs->vol, &nfu, cs->fd, F_SETLKW, &flock, nlm4svc_lock_cbk, cs); /* FIXME: handle error from nfs_lk() specially by just * cleaning up cs and unblock the client lock request. */ ret = 0; } else ret = nfs_lk (cs->nfsx, cs->vol, &nfu, cs->fd, F_SETLK, &flock, nlm4svc_lock_cbk, cs); nlm4err: if (ret < 0) { stat = nlm4_errno_to_nlm4stat (-ret); gf_msg (GF_NLM, GF_LOG_ERROR, stat, NFS_MSG_LOCK_FAIL, "unable to call lk()"); nlm4_generic_reply (cs->req, cs->args.nlm4_lockargs.cookie, stat); nfs3_call_state_wipe (cs); } return ret; } int nlm4_lock_resume (void *carg) { nlm4_stats stat = nlm4_failed; int ret = -1; nfs3_call_state_t *cs = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nlm4_check_fh_resolve_status (cs, stat, nlm4err); ret = nlm4_file_open_and_resume (cs, nlm4_lock_fd_resume); nlm4err: if (ret < 0) { gf_msg (GF_NLM, GF_LOG_ERROR, -ret, NFS_MSG_OPEN_FAIL, "unable to open and resume"); stat = nlm4_errno_to_nlm4stat (-ret); nlm4_generic_reply (cs->req, cs->args.nlm4_lockargs.cookie, stat); nfs3_call_state_wipe (cs); } return ret; } int nlm4svc_lock_common (rpcsvc_request_t *req, int mon) { int ret = RPCSVC_ACTOR_ERROR; nlm4_stats stat = nlm4_failed; struct nfs3_fh fh = {{0}, }; xlator_t *vol = NULL; nfs3_state_t *nfs3 = NULL; nfs3_call_state_t *cs = NULL; struct nfs_state *nfs = NULL; if (!req) return ret; nlm4_validate_nfs3_state (req, nfs3, stat, rpcerr, ret); nfs = nfs_state (nfs3->nfsx); nlm4_handle_call_state_init (nfs->nfs3state, cs, req, stat, rpcerr); nlm4_prep_nlm4_lockargs (&cs->args.nlm4_lockargs, &cs->lockfh, &cs->lkowner, cs->cookiebytes); if (xdr_to_nlm4_lockargs(req->msg[0], &cs->args.nlm4_lockargs) <= 0) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr (req, GARBAGE_ARGS); goto rpcerr; } fh = cs->lockfh; cs->monitor = mon; nlm4_validate_gluster_fh (&fh, stat, nlm4err); nlm4_map_fh_to_volume (cs->nfs3state, fh, req, vol, stat, nlm4err); if (nlm_grace_period && !cs->args.nlm4_lockargs.reclaim) { gf_msg (GF_NLM, GF_LOG_WARNING, 0, NFS_MSG_NLM_GRACE_PERIOD, "NLM in grace period"); stat = nlm4_denied_grace_period; nlm4_generic_reply (req, cs->args.nlm4_unlockargs.cookie, stat); nfs3_call_state_wipe (cs); return 0; } cs->vol = vol; cs->trans = rpcsvc_request_transport_ref(req); nlm4_volume_started_check (nfs3, vol, ret, rpcerr); ret = nlm_add_nlmclnt (cs->args.nlm4_lockargs.alock.caller_name); ret = nfs3_fh_resolve_and_resume (cs, &fh, NULL, nlm4_lock_resume); nlm4err: if (ret < 0) { gf_msg (GF_NLM, GF_LOG_ERROR, -ret, NFS_MSG_RESOLVE_ERROR, "unable to resolve and resume"); nlm4_generic_reply (cs->req, cs->args.nlm4_lockargs.cookie, stat); nfs3_call_state_wipe (cs); return 0; } rpcerr: if (ret < 0) { nfs3_call_state_wipe (cs); } return ret; } int nlm4svc_lock (rpcsvc_request_t *req) { return nlm4svc_lock_common (req, 1); } int nlm4svc_nm_lock (rpcsvc_request_t *req) { return nlm4svc_lock_common (req, 0); } int nlm4svc_cancel_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct gf_flock *flock, dict_t *xdata) { nlm4_stats stat = nlm4_denied; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nlm4_errno_to_nlm4stat (op_errno); goto err; } else stat = nlm4_granted; err: nlm4_generic_reply (cs->req, cs->args.nlm4_cancargs.cookie, stat); nfs3_call_state_wipe (cs); return 0; } int nlm4_cancel_fd_resume (void *carg) { int ret = -EFAULT; nfs_user_t nfu = {0, }; nfs3_call_state_t *cs = NULL; struct gf_flock flock = {0, }; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs_request_user_init (&nfu, cs->req); nlm4_lock_to_gf_flock (&flock, &cs->args.nlm4_cancargs.alock, cs->args.nlm4_cancargs.exclusive); nlm_copy_lkowner (&nfu.lk_owner, &cs->args.nlm4_cancargs.alock.oh); flock.l_type = F_UNLCK; ret = nfs_lk (cs->nfsx, cs->vol, &nfu, cs->fd, F_SETLK, &flock, nlm4svc_cancel_cbk, cs); return ret; } int nlm4_cancel_resume (void *carg) { nlm4_stats stat = nlm4_failed; int ret = -EFAULT; nfs3_call_state_t *cs = NULL; nlm_client_t *nlmclnt = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nlm4_check_fh_resolve_status (cs, stat, nlm4err); nlmclnt = nlm_get_uniq (cs->args.nlm4_cancargs.alock.caller_name); if (nlmclnt == NULL) { gf_msg (GF_NLM, GF_LOG_ERROR, ENOLCK, NFS_MSG_NO_MEMORY, "nlm_get_uniq() returned NULL"); goto nlm4err; } cs->fd = fd_lookup_uint64 (cs->resolvedloc.inode, (uint64_t)nlmclnt); if (cs->fd == NULL) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_FD_LOOKUP_NULL, "fd_lookup_uint64 retrned NULL"); goto nlm4err; } ret = nlm4_cancel_fd_resume (cs); nlm4err: if (ret < 0) { gf_msg (GF_NLM, GF_LOG_WARNING, -ret, NFS_MSG_LOCK_FAIL, "unable to unlock_fd_resume()"); stat = nlm4_errno_to_nlm4stat (-ret); nlm4_generic_reply (cs->req, cs->args.nlm4_cancargs.cookie, stat); nfs3_call_state_wipe (cs); } /* clean up is taken care of */ return 0; } int nlm4svc_cancel (rpcsvc_request_t *req) { xlator_t *vol = NULL; nlm4_stats stat = nlm4_failed; struct nfs_state *nfs = NULL; nfs3_state_t *nfs3 = NULL; nfs3_call_state_t *cs = NULL; int ret = RPCSVC_ACTOR_ERROR; struct nfs3_fh fh = {{0}, }; if (!req) return ret; nlm4_validate_nfs3_state (req, nfs3, stat, rpcerr, ret); nfs = nfs_state (nfs3->nfsx); nlm4_handle_call_state_init (nfs->nfs3state, cs, req, stat, rpcerr); nlm4_prep_nlm4_cancargs (&cs->args.nlm4_cancargs, &fh, &cs->lkowner, cs->cookiebytes); if (xdr_to_nlm4_cancelargs(req->msg[0], &cs->args.nlm4_cancargs) <= 0) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr (req, GARBAGE_ARGS); goto rpcerr; } nlm4_validate_gluster_fh (&fh, stat, nlm4err); nlm4_map_fh_to_volume (cs->nfs3state, fh, req, vol, stat, nlm4err); if (nlm_grace_period) { gf_msg (GF_NLM, GF_LOG_WARNING, 0, NFS_MSG_NLM_GRACE_PERIOD, "NLM in grace period"); stat = nlm4_denied_grace_period; nlm4_generic_reply (req, cs->args.nlm4_unlockargs.cookie, stat); nfs3_call_state_wipe (cs); return 0; } cs->vol = vol; nlm4_volume_started_check (nfs3, vol, ret, rpcerr); ret = nfs3_fh_resolve_and_resume (cs, &fh, NULL, nlm4_cancel_resume); nlm4err: if (ret < 0) { gf_msg (GF_NLM, GF_LOG_ERROR, -ret, NFS_MSG_RESOLVE_ERROR, "unable to resolve and resume"); nlm4_generic_reply (cs->req, cs->args.nlm4_cancargs.cookie, stat); nfs3_call_state_wipe (cs); return 0; } rpcerr: if (ret < 0) { nfs3_call_state_wipe (cs); } return ret; } int nlm4svc_unlock_cbk (call_frame_t *frame, void *cookie, xlator_t *this, int32_t op_ret, int32_t op_errno, struct gf_flock *flock, dict_t *xdata) { nlm4_stats stat = nlm4_denied; nfs3_call_state_t *cs = NULL; cs = frame->local; if (op_ret == -1) { stat = nlm4_errno_to_nlm4stat (op_errno); goto err; } else { stat = nlm4_granted; if (flock->l_type == F_UNLCK) nlm_search_and_delete (cs->fd, cs->args.nlm4_unlockargs.alock.caller_name); } err: nlm4_generic_reply (cs->req, cs->args.nlm4_unlockargs.cookie, stat); nfs3_call_state_wipe (cs); return 0; } int nlm4_unlock_fd_resume (void *carg) { int ret = -EFAULT; nfs_user_t nfu = {0, }; nfs3_call_state_t *cs = NULL; struct gf_flock flock = {0, }; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nfs_request_user_init (&nfu, cs->req); nlm4_lock_to_gf_flock (&flock, &cs->args.nlm4_unlockargs.alock, 0); nlm_copy_lkowner (&nfu.lk_owner, &cs->args.nlm4_unlockargs.alock.oh); flock.l_type = F_UNLCK; ret = nfs_lk (cs->nfsx, cs->vol, &nfu, cs->fd, F_SETLK, &flock, nlm4svc_unlock_cbk, cs); return ret; } int nlm4_unlock_resume (void *carg) { nlm4_stats stat = nlm4_failed; int ret = -1; nfs3_call_state_t *cs = NULL; nlm_client_t *nlmclnt = NULL; if (!carg) return ret; cs = (nfs3_call_state_t *)carg; nlm4_check_fh_resolve_status (cs, stat, nlm4err); nlmclnt = nlm_get_uniq (cs->args.nlm4_unlockargs.alock.caller_name); if (nlmclnt == NULL) { stat = nlm4_granted; gf_msg (GF_NLM, GF_LOG_WARNING, ENOLCK, NFS_MSG_NO_MEMORY, "nlm_get_uniq() returned NULL"); goto nlm4err; } cs->fd = fd_lookup_uint64 (cs->resolvedloc.inode, (uint64_t)nlmclnt); if (cs->fd == NULL) { stat = nlm4_granted; gf_msg (GF_NLM, GF_LOG_WARNING, 0, NFS_MSG_FD_LOOKUP_NULL, "fd_lookup_uint64() returned NULL"); goto nlm4err; } ret = nlm4_unlock_fd_resume (cs); nlm4err: if (ret < 0) { gf_msg (GF_NLM, GF_LOG_WARNING, -ret, NFS_MSG_LOCK_FAIL, "unable to unlock_fd_resume"); stat = nlm4_errno_to_nlm4stat (-ret); nlm4_generic_reply (cs->req, cs->args.nlm4_unlockargs.cookie, stat); nfs3_call_state_wipe (cs); } /* we have already taken care of cleanup */ return 0; } int nlm4svc_unlock (rpcsvc_request_t *req) { xlator_t *vol = NULL; nlm4_stats stat = nlm4_failed; struct nfs_state *nfs = NULL; nfs3_state_t *nfs3 = NULL; nfs3_call_state_t *cs = NULL; int ret = RPCSVC_ACTOR_ERROR; struct nfs3_fh fh = {{0}, }; if (!req) return ret; nlm4_validate_nfs3_state (req, nfs3, stat, rpcerr, ret); nfs = nfs_state (nfs3->nfsx); nlm4_handle_call_state_init (nfs->nfs3state, cs, req, stat, rpcerr); nlm4_prep_nlm4_unlockargs (&cs->args.nlm4_unlockargs, &fh, &cs->lkowner, cs->cookiebytes); if (xdr_to_nlm4_unlockargs(req->msg[0], &cs->args.nlm4_unlockargs) <= 0) { gf_msg (GF_NLM, GF_LOG_ERROR, errno, NFS_MSG_ARGS_DECODE_ERROR, "Error decoding args"); rpcsvc_request_seterr (req, GARBAGE_ARGS); goto rpcerr; } nlm4_validate_gluster_fh (&fh, stat, nlm4err); nlm4_map_fh_to_volume (cs->nfs3state, fh, req, vol, stat, nlm4err); if (nlm_grace_period) { gf_msg (GF_NLM, GF_LOG_WARNING, 0, NFS_MSG_NLM_GRACE_PERIOD, "NLM in grace period"); stat = nlm4_denied_grace_period; nlm4_generic_reply (req, cs->args.nlm4_unlockargs.cookie, stat); nfs3_call_state_wipe (cs); return 0; } cs->vol = vol; /* FIXME: check if trans is being used at all for unlock */ cs->trans = rpcsvc_request_transport_ref(req); nlm4_volume_started_check (nfs3, vol, ret, rpcerr); ret = nfs3_fh_resolve_and_resume (cs, &fh, NULL, nlm4_unlock_resume); nlm4err: if (ret < 0) {


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