#include "libnfs-raw-portmap.h"
#include "libnfs-private.h"
-#define MAX_DIR_CACHE 1024
+#define MAX_DIR_CACHE 128
struct nfsdir {
struct nfs_fh3 fh;
free(data);
}
+static void free_nfsfh(struct nfsfh *nfsfh)
+{
+ if (nfsfh->fh.data.data_val != NULL) {
+ free(nfsfh->fh.data.data_val);
+ nfsfh->fh.data.data_val = NULL;
+ }
+ free(nfsfh->ra.buf);
+ free(nfsfh);
+}
+
static void nfs_mount_10_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
{
return;
}
+ /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
+ rpc_set_autoreconnect(rpc);
+
args.fsroot = nfs->rootfh;
if (rpc_nfs3_fsinfo_async(rpc, nfs_mount_9_cb, &args, data) != 0) {
data->cb(-ENOMEM, nfs, command_data, data->private_data);
free_nfs_cb_data(data);
return;
}
-
- /* NFS TCP connections we want to autoreconnect after sessions are torn down (due to inactivity or error) */
- rpc_set_autoreconnect(rpc);
}
int nfs_close_async(struct nfs_context *nfs, struct nfsfh *nfsfh, nfs_cb cb, void *private_data)
{
- if (nfsfh->fh.data.data_val != NULL){
- free(nfsfh->fh.data.data_val);
- nfsfh->fh.data.data_val = NULL;
- }
- free(nfsfh->ra.buf);
- free(nfsfh);
-
+ free_nfsfh(nfsfh);
cb(0, nfs, NULL, private_data);
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;
- char *str = data->continue_data;
+ struct create_cb_data *cb_data = data->continue_data;
+ char *str = cb_data->path;
assert(rpc->magic == RPC_CONTEXT_MAGIC);
}
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 -1;
+ }
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;
+ }
+
data->cb(0, nfs, nfsfh, data->private_data);
free_nfs_cb_data(data);
}
-static void nfs_creat_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+static void nfs_create_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
{
CREATE3res *res;
struct nfs_cb_data *data = private_data;
struct nfs_context *nfs = data->nfs;
- char *str = data->continue_data;
+ struct create_cb_data *cb_data = data->continue_data;
+ char *str = cb_data->path;
LOOKUP3args args;
assert(rpc->magic == RPC_CONTEXT_MAGIC);
return;
}
-static int nfs_creat_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data)
+static int nfs_create_continue_internal(struct nfs_context *nfs, fattr3 *attr _U_, struct nfs_cb_data *data)
{
- char *str = data->continue_data;
+ struct create_cb_data *cb_data = data->continue_data;
+ char *str = cb_data->path;
CREATE3args args;
str = &str[strlen(str) + 1];
memset(&args, 0, sizeof(CREATE3args));
args.where.dir = data->fh;
args.where.name = str;
- args.how.mode = UNCHECKED;
+ args.how.mode = (cb_data->flags & O_EXCL) ? GUARDED : UNCHECKED;
args.how.createhow3_u.obj_attributes.mode.set_it = 1;
- args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = data->continue_int;
+ args.how.createhow3_u.obj_attributes.mode.set_mode3_u.mode = cb_data->mode;
- if (rpc_nfs3_create_async(nfs->rpc, nfs_creat_1_cb, &args, data) != 0) {
+ if (rpc_nfs3_create_async(nfs->rpc, nfs_create_1_cb, &args, data) != 0) {
rpc_set_error(nfs->rpc, "RPC error: Failed to send CREATE call for %s/%s", data->path, str);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
free_nfs_cb_data(data);
return 0;
}
-int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
+int nfs_create_async(struct nfs_context *nfs, const char *path, int flags, int mode, nfs_cb cb, void *private_data)
{
- char *new_path;
+ struct create_cb_data *cb_data;
char *ptr;
- new_path = strdup(path);
- if (new_path == NULL) {
+ cb_data = malloc(sizeof(struct create_cb_data));
+ if (cb_data == NULL) {
+ rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for cb data");
+ return -1;
+ }
+
+ cb_data->path = strdup(path);
+ if (cb_data->path == NULL) {
rpc_set_error(nfs->rpc, "Out of memory, failed to allocate mode buffer for path");
+ free(cb_data);
return -1;
}
- ptr = strrchr(new_path, '/');
+ ptr = strrchr(cb_data->path, '/');
if (ptr == NULL) {
rpc_set_error(nfs->rpc, "Invalid path %s", path);
- free(new_path);
+ free_create_cb_data(cb_data);
return -1;
}
*ptr = 0;
+ cb_data->flags = flags;
+ cb_data->mode = mode;
+
/* new_path now points to the parent directory, and beyond the nul terminator is the new directory to create */
- if (nfs_lookuppath_async(nfs, new_path, cb, private_data, nfs_creat_continue_internal, new_path, free, mode) != 0) {
+ if (nfs_lookuppath_async(nfs, cb_data->path, cb, private_data, nfs_create_continue_internal, cb_data, free_create_cb_data, 0) != 0) {
rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
return -1;
}
return 0;
}
+int nfs_creat_async(struct nfs_context *nfs, const char *path, int mode, nfs_cb cb, void *private_data)
+{
+ return nfs_create_async(nfs, path, 0, mode, cb, private_data);
+}
+