* High level api to nfs filesystems
*/
+#define _GNU_SOURCE
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
st.st_dev = -1;
st.st_ino = res->GETATTR3res_u.resok.obj_attributes.fileid;
st.st_mode = res->GETATTR3res_u.resok.obj_attributes.mode;
+ if (res->GETATTR3res_u.resok.obj_attributes.type == NF3DIR) {
+ st.st_mode |= S_IFDIR ;
+ }
st.st_nlink = res->GETATTR3res_u.resok.obj_attributes.nlink;
st.st_uid = res->GETATTR3res_u.resok.obj_attributes.uid;
st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
if (res->status != NFS3_OK) {
rpc_set_error(nfs->rpc, "NFS: Read failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
data->error = 1;
- } else {
- memcpy(&data->buffer[mdata->offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
- if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
- data->max_offset = mdata->offset + res->READ3res_u.resok.count;
+ } else {
+ if (res->READ3res_u.resok.count > 0) {
+ memcpy(&data->buffer[mdata->offset - data->start_offset], res->READ3res_u.resok.data.data_val, res->READ3res_u.resok.count);
+ if ((unsigned)data->max_offset < mdata->offset + res->READ3res_u.resok.count) {
+ data->max_offset = mdata->offset + res->READ3res_u.resok.count;
+ }
}
}
}
return;
}
-
if (data->error != 0) {
data->cb(-EFAULT, nfs, command_data, data->private_data);
free_nfs_cb_data(data);
data->nfsfh->offset = data->max_offset;
data->cb(data->max_offset - data->start_offset, nfs, data->buffer, data->private_data);
+
free_nfs_cb_data(data);
free(mdata);
}
* reads and collect into a reassembly buffer.
* we send all reads in parallell so that performance is still good.
*/
+ data->max_offset = offset;
data->start_offset = offset;
data->buffer = malloc(count);
mdata->data = data;
mdata->offset = offset;
mdata->count = readcount;
-
if (rpc_nfs_read_async(nfs->rpc, nfs_pread_mcb, &nfsfh->fh, offset, readcount, mdata) != 0) {
rpc_set_error(nfs->rpc, "RPC error: Failed to send READ call for %s", data->path);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
{
va_list ap;
- char *str;
+ char *str = NULL;
+ va_start(ap, error_string);
+ vasprintf(&str, error_string, ap);
if (nfs->rpc->error_string != NULL) {
free(nfs->rpc->error_string);
}
- va_start(ap, error_string);
- vasprintf(&str, error_string, ap);
nfs->rpc->error_string = str;
va_end(ap);
}
+
+
+
+struct mount_cb_data {
+ rpc_cb cb;
+ void *private_data;
+ char *server;
+};
+
+static void free_mount_cb_data(struct mount_cb_data *data)
+{
+ if (data->server != NULL) {
+ free(data->server);
+ data->server = NULL;
+ }
+
+ free(data);
+}
+
+static void mount_export_5_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ struct mount_cb_data *data = private_data;
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(rpc, -EFAULT, command_data, data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+
+ data->cb(rpc, 0, command_data, data->private_data);
+ if (rpc_disconnect(rpc, "normal disconnect") != 0) {
+ rpc_set_error(rpc, "Failed to disconnect\n");
+ }
+ free_mount_cb_data(data);
+}
+
+static void mount_export_4_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ struct mount_cb_data *data = private_data;
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(rpc, -EFAULT, command_data, data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+
+ if (rpc_mount_export_async(rpc, mount_export_5_cb, data) != 0) {
+ data->cb(rpc, -ENOMEM, command_data, data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+}
+
+static void mount_export_3_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ struct mount_cb_data *data = private_data;
+ uint32_t mount_port;
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(rpc, -EFAULT, command_data, data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+
+ mount_port = *(uint32_t *)command_data;
+ if (mount_port == 0) {
+ rpc_set_error(rpc, "RPC error. Mount program is not available");
+ data->cb(rpc, -ENOENT, command_data, data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+
+ rpc_disconnect(rpc, "normal disconnect");
+ if (rpc_connect_async(rpc, data->server, mount_port, mount_export_4_cb, data) != 0) {
+ data->cb(rpc, -ENOMEM, command_data, data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+}
+
+static void mount_export_2_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ struct mount_cb_data *data = private_data;
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(rpc, -EFAULT, command_data, data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+
+ if (rpc_pmap_getport_async(rpc, MOUNT_PROGRAM, MOUNT_V3, mount_export_3_cb, private_data) != 0) {
+ data->cb(rpc, -ENOMEM, command_data, data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+}
+
+static void mount_export_1_cb(struct rpc_context *rpc, int status, void *command_data, void *private_data)
+{
+ struct mount_cb_data *data = private_data;
+
+ if (status == RPC_STATUS_ERROR) {
+ data->cb(rpc, -EFAULT, command_data, data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ data->cb(rpc, -EINTR, "Command was cancelled", data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+
+ if (rpc_pmap_null_async(rpc, mount_export_2_cb, data) != 0) {
+ data->cb(rpc, -ENOMEM, command_data, data->private_data);
+ free_mount_cb_data(data);
+ return;
+ }
+}
+
+int mount_getexports_async(struct rpc_context *rpc, const char *server, rpc_cb cb, void *private_data)
+{
+ struct mount_cb_data *data;
+
+ data = malloc(sizeof(struct mount_cb_data));
+ if (data == NULL) {
+ return -1;
+ }
+ bzero(data, sizeof(struct mount_cb_data));
+ data->cb = cb;
+ data->private_data = private_data;
+ data->server = strdup(server);
+ if (data->server == NULL) {
+ free_mount_cb_data(data);
+ return -1;
+ }
+ if (rpc_connect_async(rpc, data->server, 111, mount_export_1_cb, data) != 0) {
+ free_mount_cb_data(data);
+ return -1;
+ }
+
+ return 0;
+}
+
+struct rpc_context *nfs_get_rpc_context(struct nfs_context *nfs)
+{
+ return nfs->rpc;
+}
+