+ return 0;
+}
+
+
+
+
+/*
+ * Async ftruncate()
+ */
+static void nfs_ftruncate_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ struct nfs_cb_data *data = private_data;
+ struct nfs_context *nfs = data->nfs;
+ SETATTR3res *res;
+
+ assert(rpc->magic == RPC_CONTEXT_MAGIC);
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(-EFAULT, nfs, command_data, data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ res = command_data;
+ if (res->status != NFS3_OK) {
+ rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
+ data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ data->cb(0, nfs, NULL, data->private_data);
+ free_nfs_cb_data(data);
+}
+
+int nfs_ftruncate_async(struct nfs_context *nfs, struct nfsfh *nfsfh, uint64_t length, nfs_cb cb, void *private_data)
+{
+ struct nfs_cb_data *data;
+ SETATTR3args args;
+
+ data = malloc(sizeof(struct nfs_cb_data));
+ if (data == NULL) {
+ rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
+ return -1;
+ }
+ memset(data, 0, sizeof(struct nfs_cb_data));
+ data->nfs = nfs;
+ data->cb = cb;
+ data->private_data = private_data;
+
+ memset(&args, 0, sizeof(SETATTR3args));
+ args.object = nfsfh->fh;
+ args.new_attributes.size.set_it = 1;
+ args.new_attributes.size.set_size3_u.size = length;
+
+ if (rpc_nfs3_setattr_async(nfs->rpc, nfs_ftruncate_cb, &args, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return -1;
+ }
+ return 0;
+}
+
+
+/*
+ * Async truncate()
+ */
+static int nfs_truncate_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data)
+{
+ uint64_t offset = data->continue_int;
+ struct nfsfh nfsfh;
+
+ nfsfh.fh = data->fh;
+
+ if (nfs_ftruncate_async(nfs, &nfsfh, offset, data->cb, data->private_data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send SETATTR call for %s", data->path);
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return -1;
+ }
+ free_nfs_cb_data(data);
+ return 0;
+}
+
+int nfs_truncate_async(struct nfs_context *nfs, const char *path, uint64_t length, nfs_cb cb, void *private_data)
+{
+ uint64_t offset;
+
+ offset = length;
+
+ if (nfs_lookuppath_async(nfs, path, 0, cb, private_data, nfs_truncate_continue_internal, NULL, NULL, offset) != 0) {
+ rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+
+
+/*
+ * Async mkdir()
+ */
+static void nfs_mkdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ MKDIR3res *res;
+ struct nfs_cb_data *data = private_data;
+ struct nfs_context *nfs = data->nfs;
+ char *str = data->continue_data;
+
+ assert(rpc->magic == RPC_CONTEXT_MAGIC);
+
+ str = &str[strlen(str) + 1];
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(-EFAULT, nfs, command_data, data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ res = command_data;
+ if (res->status != NFS3_OK) {
+ rpc_set_error(nfs->rpc, "NFS: MKDIR of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
+ data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ data->cb(0, nfs, NULL, data->private_data);
+ free_nfs_cb_data(data);
+}
+
+static int nfs_mkdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data)
+{
+ char *str = data->continue_data;
+ MKDIR3args args;
+
+ str = &str[strlen(str) + 1];
+
+ memset(&args, 0, sizeof(MKDIR3args));
+ args.where.dir = data->fh;
+ args.where.name = str;
+ args.attributes.mode.set_it = 1;
+ args.attributes.mode.set_mode3_u.mode = 0755;
+
+ if (rpc_nfs3_mkdir_async(nfs->rpc, nfs_mkdir_cb, &args, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send MKDIR call for %s", data->path);
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return -1;
+ }
+ return 0;
+}
+
+int nfs_mkdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
+{
+ char *new_path;
+ char *ptr;
+
+ new_path = strdup(path);
+ if (new_path == NULL) {
+ rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
+ return -1;
+ }
+
+ ptr = strrchr(new_path, '/');
+ if (ptr == NULL) {
+ free(new_path);
+ rpc_set_error(nfs->rpc, "Invalid path %s", path);
+ return -1;
+ }
+ *ptr = 0;
+
+ /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
+ if (nfs_lookuppath_async(nfs, new_path, 0, cb, private_data, nfs_mkdir_continue_internal, new_path, free, 0) != 0) {
+ rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path component");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+
+
+
+/*
+ * Async rmdir()
+ */
+static void nfs_rmdir_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ RMDIR3res *res;
+ struct nfs_cb_data *data = private_data;
+ struct nfs_context *nfs = data->nfs;
+ char *str = data->continue_data;
+
+ assert(rpc->magic == RPC_CONTEXT_MAGIC);
+
+ str = &str[strlen(str) + 1];
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(-EFAULT, nfs, command_data, data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ res = command_data;
+ if (res->status != NFS3_OK) {
+ rpc_set_error(nfs->rpc, "NFS: RMDIR of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
+ data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ data->cb(0, nfs, NULL, data->private_data);
+ free_nfs_cb_data(data);
+}
+
+static int nfs_rmdir_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data)
+{
+ char *str = data->continue_data;
+ RMDIR3args args;
+
+ str = &str[strlen(str) + 1];
+
+ args.object.dir = data->fh;
+ args.object.name = str;
+ if (rpc_nfs3_rmdir_async(nfs->rpc, nfs_rmdir_cb, &args, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send RMDIR call for %s", data->path);
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return -1;
+ }
+ return 0;
+}
+
+int nfs_rmdir_async(struct nfs_context *nfs, const char *path, nfs_cb cb, void *private_data)
+{
+ char *new_path;
+ char *ptr;
+
+ new_path = strdup(path);
+ if (new_path == NULL) {
+ rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
+ return -1;
+ }
+
+ ptr = strrchr(new_path, '/');
+ if (ptr == NULL) {
+ free(new_path);
+ rpc_set_error(nfs->rpc, "Invalid path %s", path);
+ return -1;
+ }
+ *ptr = 0;
+
+ /* new_path now points to the parent directory, and beyond the nul terminateor is the new directory to create */
+ if (nfs_lookuppath_async(nfs, new_path, 0, cb, private_data, nfs_rmdir_continue_internal, new_path, free, 0) != 0) {
+ rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
+ return -1;
+ }
+
+ return 0;
+}
+
+
+
+
+/*
+ * Async creat()
+ */
+struct create_cb_data {
+ char *path;
+ int flags;
+ int mode;
+};
+
+static void free_create_cb_data(void *ptr)
+{
+ struct create_cb_data *data = ptr;
+
+ free(data->path);
+ free(data);
+}
+
+static void nfs_create_trunc_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ struct nfs_cb_data *data = private_data;
+ struct nfs_context *nfs = data->nfs;
+ struct nfsfh *nfsfh;
+ SETATTR3res *res;
+
+ assert(rpc->magic == RPC_CONTEXT_MAGIC);
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(-EFAULT, nfs, command_data, data->private_data);
+ free_nfs_cb_data(data);
+ free_nfsfh(nfsfh);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
+ free_nfs_cb_data(data);
+ free_nfsfh(nfsfh);
+ return;
+ }
+
+ res = command_data;
+ if (res->status != NFS3_OK) {
+ rpc_set_error(nfs->rpc, "NFS: Setattr failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
+ data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ free_nfsfh(nfsfh);
+ return;
+ }
+
+ data->cb(0, nfs, data->nfsfh, data->private_data);
+ free_nfs_cb_data(data);
+}
+
+static void nfs_create_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ LOOKUP3res *res;
+ struct nfs_cb_data *data = private_data;
+ struct nfs_context *nfs = data->nfs;
+ struct nfsfh *nfsfh;
+ struct create_cb_data *cb_data = data->continue_data;
+ char *str = cb_data->path;
+
+ assert(rpc->magic == RPC_CONTEXT_MAGIC);
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(-EFAULT, nfs, command_data, data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+
+ str = &str[strlen(str) + 1];
+ res = command_data;
+ if (res->status != NFS3_OK) {
+ rpc_set_error(nfs->rpc, "NFS: CREATE of %s/%s failed with %s(%d)", data->saved_path, str, nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
+ data->cb(nfsstat3_to_errno(res->status), nfs, rpc_get_error(nfs->rpc), data->private_data);
+
+ return;
+ }
+
+ nfsfh = malloc(sizeof(struct nfsfh));
+ if (nfsfh == NULL) {
+ rpc_set_error(nfs->rpc, "NFS: Failed to allocate nfsfh structure");
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ return;
+ }
+ memset(nfsfh, 0, sizeof(struct nfsfh));
+
+ if (cb_data->flags & O_SYNC) {
+ nfsfh->is_sync = 1;
+ }
+ if (cb_data->flags & O_APPEND) {
+ nfsfh->is_append = 1;
+ }
+
+ /* copy the filehandle */
+ nfsfh->fh.data.data_len = res->LOOKUP3res_u.resok.object.data.data_len;
+ nfsfh->fh.data.data_val = malloc(nfsfh->fh.data.data_len);
+ if (nfsfh->fh.data.data_val == NULL) {
+ rpc_set_error(nfs->rpc, "Out of memory: Failed to allocate fh structure");
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free_nfs_cb_data(data);
+ free(nfsfh);
+ return;
+ }
+ memcpy(nfsfh->fh.data.data_val, res->LOOKUP3res_u.resok.object.data.data_val, nfsfh->fh.data.data_len);
+
+ /* Try to truncate it if we were requested to */
+ if (cb_data->flags & O_TRUNC) {
+ SETATTR3args args;
+
+ data->nfsfh = nfsfh;
+
+ memset(&args, 0, sizeof(SETATTR3args));
+ args.object = nfsfh->fh;
+ args.new_attributes.size.set_it = 1;
+ args.new_attributes.size.set_size3_u.size = 0;
+
+ if (rpc_nfs3_setattr_async(nfs->rpc, nfs_create_trunc_cb,
+ &args, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send "
+ "SETATTR call for %s", data->path);
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc),
+ data->private_data);
+ free_nfs_cb_data(data);
+ free_nfsfh(nfsfh);
+ return;
+ }
+ return;
+ }