lib/nfs/nfs.c

3  * \brief NFS client
23 static errval_t portmap_lookup(struct nfs_client *client, u_int prog, u_int vers);
33 /// Per-instance NFS client data
35     struct rpc_client rpc_client;       ///< RPC client state (XXX: must be first)
50     struct nfs_client *client = (void *)rpc_client;
60                client->mount_state, replystat, acceptstat);
64     switch (client->mount_state) {
71         client->mount_port = port;
74         r = portmap_lookup(client, NFS_PROGRAM, NFS_V3);
79         client->mount_state = NFS_INIT_GETPORT_NFS;
85         client->nfs_port = port;
88         r = rpc_call(&client->rpc_client, client->mount_port, MOUNT_PROGRAM,
90                     (void *)&client->mount_path,
91                     RNDUP(strlen(client->mount_path)) + BYTES_PER_XDR_UNIT,
97         client->mount_state = NFS_INIT_MOUNT;
107         client->mount_state = NFS_INIT_COMPLETE;
117         client->mount_callback(client->mount_cbarg, client, mountstat, fh);
127     client->mount_callback(client->mount_cbarg, NULL, -1, fh);
128     nfs_destroy(client);
134 static errval_t portmap_lookup(struct nfs_client *client, u_int prog, u_int vers)
144     errval_t err = rpc_call(&client->rpc_client, PMAP_PORT, PMAP_PROG, PMAP_VERS,
160  *   call succeeds, the returned client instance must be freed by a later call
166     struct nfs_client *client;
168     client = malloc(sizeof(struct nfs_client));
169     if (client == NULL) {
173     errval_t r = rpc_init(&client->rpc_client, server);
175         free(client);
180     client->mount_path = path;
181     client->mount_state = NFS_INIT_GETPORT_MOUNT;
182     client->mount_callback = callback;
183     client->mount_cbarg = cbarg;
186     r = portmap_lookup(client, MOUNT_PROGRAM, MOUNT_V3);
189         nfs_destroy(client);
192     return client;
214     struct nfs_client *client = (void *)rpc_client;
221         callback(arg2, client, NULL);
227             callback(arg2, client, &result);
231             callback(arg2, client, NULL);
238  * \param client NFS client pointer, which has completed the mount process
245 errval_t nfs_getattr(struct nfs_client *client, struct nfs_fh3 fh,
248     assert(client->mount_state == NFS_INIT_COMPLETE);
254     return rpc_call(&client->rpc_client, client->nfs_port, NFS_PROGRAM,
266     struct nfs_client *client = (void *)rpc_client;
273         callback(arg2, client, NULL);
279             callback(arg2, client, &result);
283             callback(arg2, client, NULL);
290  * \param client NFS client pointer, which has completed the mount process
300 errval_t nfs_setattr(struct nfs_client *client, struct nfs_fh3 fh,
304     assert(client->mount_state == NFS_INIT_COMPLETE);
316     return rpc_call(&client->rpc_client, client->nfs_port, NFS_PROGRAM,
328     struct nfs_client *client = (void *)rpc_client;
335         callback(arg2, client, NULL);
341             callback(arg2, client, &result);
345             callback(arg2, client, NULL);
352  * \param client NFS client pointer, which has completed the mount process
361 errval_t nfs_readdir(struct nfs_client *client, struct nfs_fh3 fh,
365     assert(client->mount_state == NFS_INIT_COMPLETE);
377     return rpc_call(&client->rpc_client, client->nfs_port, NFS_PROGRAM,
389     struct nfs_client *client = (void *)rpc_client;
396         callback(arg2, client, NULL);
402             callback(arg2, client, &result);
406             callback(arg2, client, NULL);
413  * \param client NFS client pointer, which has completed the mount process
422 errval_t nfs_readdirplus(struct nfs_client *client, struct nfs_fh3 fh,
426     assert(client->mount_state == NFS_INIT_COMPLETE);
440     return rpc_call(&client->rpc_client, client->nfs_port, NFS_PROGRAM,
453     struct nfs_client *client = (void *)rpc_client;
460         callback(arg2, client, NULL);
466             callback(arg2, client, &result);
470             callback(arg2, client, NULL);
477  * \param client NFS client pointer, which has completed the mount process
485 errval_t nfs_lookup(struct nfs_client *client, struct nfs_fh3 dirfh,
488     assert(client->mount_state == NFS_INIT_COMPLETE);
497     return rpc_call(&client->rpc_client, client->nfs_port, NFS_PROGRAM,
510     struct nfs_client *client = (void *)rpc_client;
517         callback(arg2, client, NULL);
523             callback(arg2, client, &result);
527             callback(arg2, client, NULL);
534  * \param client NFS client pointer, which has completed the mount process
542 errval_t nfs_access(struct nfs_client *client, struct nfs_fh3 fh, uint32_t access,
545     assert(client->mount_state == NFS_INIT_COMPLETE);
552     return rpc_call(&client->rpc_client, client->nfs_port, NFS_PROGRAM,
564     struct nfs_client *client = (void *)rpc_client;
571         callback(arg2, client, NULL);
577             callback(arg2, client, &result);
581             callback(arg2, client, NULL);
588  * \param client NFS client pointer, which has completed the mount process
597 errval_t nfs_read(struct nfs_client *client, struct nfs_fh3 fh, offset3 offset,
602     assert(client->mount_state == NFS_INIT_COMPLETE);
610     errval_t errval = rpc_call(&client->rpc_client, client->nfs_port, NFS_PROGRAM,
624     struct nfs_client *client = (void *)rpc_client;
631         callback(arg2, client, NULL);
637             callback(arg2, client, &result);
641             callback(arg2, client, NULL);
648  * \param client NFS client pointer, which has completed the mount process
659 errval_t nfs_write(struct nfs_client *client, struct nfs_fh3 fh, offset3 offset,
663     assert(client->mount_state == NFS_INIT_COMPLETE);
676     return rpc_call(&client->rpc_client, client->nfs_port, NFS_PROGRAM,
688     struct nfs_client *client = (void *)rpc_client;
695         callback(arg2, client, NULL);
701             callback(arg2, client, &result);
705             callback(arg2, client, NULL);
712  * \param client NFS client pointer, which has completed the mount process
724 errval_t nfs_create(struct nfs_client *client, struct nfs_fh3 dir,
728     assert(client->mount_state == NFS_INIT_COMPLETE);
741     return rpc_call(&client->rpc_client, client->nfs_port, NFS_PROGRAM,
753     struct nfs_client *client = (void *)rpc_client;
760         callback(arg2, client, NULL);
766             callback(arg2, client, &result);
770             callback(arg2, client, NULL);
777  * \param client NFS client pointer, which has completed the mount process
786 errval_t nfs_mkdir(struct nfs_client *client, struct nfs_fh3 dir, const char *name,
789     assert(client->mount_state == NFS_INIT_COMPLETE);
799     return rpc_call(&client->rpc_client, client->nfs_port, NFS_PROGRAM,
811     struct nfs_client *client = (void *)rpc_client;
818         callback(arg2, client, NULL);
824             callback(arg2, client, &result);
828             callback(arg2, client, NULL);
835  * \param client NFS client pointer, which has completed the mount process
843 errval_t nfs_remove(struct nfs_client *client, struct nfs_fh3 dir,
847     assert(client->mount_state == NFS_INIT_COMPLETE);
856     return rpc_call(&client->rpc_client, client->nfs_port, NFS_PROGRAM,
866 void nfs_destroy(struct nfs_client *client)
868     rpc_destroy(&client->rpc_client);
869     free(client);