/*
* High level api to nfs filesystems
*/
+#ifdef WIN32
+#include "win32_compat.h"
+#define DllExport
+#else
+#include <strings.h>
+#include <sys/statvfs.h>
+#include <utime.h>
+#include <unistd.h>
+#endif/*WIN32*/
#define _GNU_SOURCE
+
#include <stdio.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
-#include <strings.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
-#include <sys/statvfs.h>
-#include <utime.h>
-#include <unistd.h>
#include <fcntl.h>
#include "libnfs.h"
#include "libnfs-raw.h"
return rpc_get_fd(nfs->rpc);
}
+int nfs_queue_length(struct nfs_context *nfs)
+{
+ return rpc_queue_length(nfs->rpc);
+}
+
int nfs_which_events(struct nfs_context *nfs)
{
return rpc_which_events(nfs->rpc);
rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
new_server = strdup(server);
new_export = strdup(export);
if (nfs->server != NULL) {
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->continue_cb = continue_cb;
st.st_gid = res->GETATTR3res_u.resok.obj_attributes.gid;
st.st_rdev = 0;
st.st_size = res->GETATTR3res_u.resok.obj_attributes.size;
+#ifndef WIN32
st.st_blksize = 4096;
st.st_blocks = res->GETATTR3res_u.resok.obj_attributes.size / 4096;
+#endif//WIN32
st.st_atime = res->GETATTR3res_u.resok.obj_attributes.atime.seconds;
st.st_mtime = res->GETATTR3res_u.resok.obj_attributes.mtime.seconds;
st.st_ctime = res->GETATTR3res_u.resok.obj_attributes.ctime.seconds;
free_nfs_cb_data(data);
return;
}
- bzero(nfsfh, sizeof(struct nfsfh));
+ memset(nfsfh, 0, sizeof(struct nfsfh));
if (data->continue_int & O_SYNC) {
nfsfh->is_sync = 1;
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
return -1;
}
- bzero(mdata, sizeof(struct nfs_mcb_data));
+ memset(mdata, 0, sizeof(struct nfs_mcb_data));
mdata->data = data;
mdata->offset = offset;
mdata->count = readcount;
free_nfs_cb_data(data);
}
+static void nfs_pwrite_mcb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
+{
+ struct nfs_mcb_data *mdata = private_data;
+ struct nfs_cb_data *data = mdata->data;
+ struct nfs_context *nfs = data->nfs;
+ WRITE3res *res;
+
+ data->num_calls--;
+
+ if (status == RPC_STATUS_ERROR) {
+ /* flag the failure but do not invoke callback until we have received all responses */
+ data->error = 1;
+ }
+ if (status == RPC_STATUS_CANCEL) {
+ /* flag the cancellation but do not invoke callback until we have received all responses */
+ data->cancel = 1;
+ }
+
+ if (status == RPC_STATUS_SUCCESS) {
+ res = command_data;
+ if (res->status != NFS3_OK) {
+ rpc_set_error(nfs->rpc, "NFS: Write failed with %s(%d)", nfsstat3_to_str(res->status), nfsstat3_to_errno(res->status));
+ data->error = 1;
+ } else {
+ if (res->WRITE3res_u.resok.count > 0) {
+ if ((unsigned)data->max_offset < mdata->offset + res->WRITE3res_u.resok.count) {
+ data->max_offset = mdata->offset + res->WRITE3res_u.resok.count;
+ }
+ }
+ }
+ }
+
+ if (data->num_calls > 0) {
+ /* still waiting for more replies */
+ free(mdata);
+ return;
+ }
+
+ if (data->error != 0) {
+ data->cb(-EFAULT, nfs, command_data, data->private_data);
+ free_nfs_cb_data(data);
+ free(mdata);
+ return;
+ }
+ if (data->cancel != 0) {
+ data->cb(-EINTR, nfs, "Command was cancelled", data->private_data);
+ free_nfs_cb_data(data);
+ free(mdata);
+ return;
+ }
+
+ data->nfsfh->offset = data->max_offset;
+ data->cb(data->max_offset - data->start_offset, nfs, NULL, data->private_data);
+
+ free_nfs_cb_data(data);
+ free(mdata);
+}
+
+
int nfs_pwrite_async(struct nfs_context *nfs, struct nfsfh *nfsfh, off_t offset, size_t count, char *buf, nfs_cb cb, void *private_data)
{
struct nfs_cb_data *data;
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
data->nfsfh = nfsfh;
nfsfh->offset = offset;
- if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_cb, &nfsfh->fh, buf, offset, count, nfsfh->is_sync?FILE_SYNC:UNSTABLE, data) != 0) {
- rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
- data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
- free_nfs_cb_data(data);
- return -1;
+
+ if (count <= nfs_get_writemax(nfs)) {
+ if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_cb, &nfsfh->fh, buf, offset, count, nfsfh->is_sync?FILE_SYNC:UNSTABLE, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE 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;
}
+
+ /* trying to write more than maximum server write size, we has to chop it up into smaller
+ * chunks.
+ * we send all writes in parallell so that performance is still good.
+ */
+ data->max_offset = offset;
+ data->start_offset = offset;
+
+ while (count > 0) {
+ size_t writecount = count;
+ struct nfs_mcb_data *mdata;
+
+ if (writecount > nfs_get_writemax(nfs)) {
+ writecount = nfs_get_writemax(nfs);
+ }
+
+ mdata = malloc(sizeof(struct nfs_mcb_data));
+ if (mdata == NULL) {
+ rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_mcb_data structure");
+ return -1;
+ }
+ memset(mdata, 0, sizeof(struct nfs_mcb_data));
+ mdata->data = data;
+ mdata->offset = offset;
+ mdata->count = writecount;
+
+ if (rpc_nfs_write_async(nfs->rpc, nfs_pwrite_mcb, &nfsfh->fh, &buf[offset - data->start_offset], offset, writecount, nfsfh->is_sync?FILE_SYNC:UNSTABLE, mdata) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send WRITE call for %s", data->path);
+ data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
+ free(mdata);
+ return -1;
+ }
+
+ count -= writecount;
+ offset += writecount;
+ data->num_calls++;
+ }
+
return 0;
}
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
rpc_set_error(nfs->rpc, "out of memory: failed to allocate nfs_cb_data structure");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
- bzero(&args, sizeof(SETATTR3args));
+ memset(&args, 0, sizeof(SETATTR3args));
args.object.data.data_len = nfsfh->fh.data.data_len;
args.object.data.data_val = nfsfh->fh.data.data_val;
args.new_attributes.size.set_it = 1;
free_nfs_cb_data(data);
return;
}
- bzero(nfsfh, sizeof(struct nfsfh));
+ memset(nfsfh, 0, sizeof(struct nfsfh));
/* steal the filehandle */
nfsfh->fh.data.data_len = data->fh.data.data_len;
*/
static void nfs_opendir_cb(struct rpc_context *rpc _U_, int status, void *command_data, void *private_data)
{
- READDIR3res *res;
+ READDIRPLUS3res *res;
struct nfs_cb_data *data = private_data;
struct nfs_context *nfs = data->nfs;
- struct nfsdir *nfsdir = data->continue_data;;
- struct entry3 *entry;
+ struct nfsdir *nfsdir = data->continue_data;
+ struct entryplus3 *entry;
uint64_t cookie;
-
+
if (status == RPC_STATUS_ERROR) {
data->cb(-EFAULT, nfs, command_data, data->private_data);
nfs_free_nfsdir(nfsdir);
return;
}
- entry =res->READDIR3res_u.resok.reply.entries;
+ entry =res->READDIRPLUS3res_u.resok.reply.entries;
while (entry != NULL) {
struct nfsdirent *nfsdirent;
free_nfs_cb_data(data);
return;
}
- bzero(nfsdirent, sizeof(struct nfsdirent));
+ memset(nfsdirent, 0, sizeof(struct nfsdirent));
nfsdirent->name = strdup(entry->name);
if (nfsdirent->name == NULL) {
data->cb(-ENOMEM, nfs, "Failed to allocate dirent->name", data->private_data);
return;
}
nfsdirent->inode = entry->fileid;
+ if (entry->name_attributes.attributes_follow) {
+ nfsdirent->type = entry->name_attributes.post_op_attr_u.attributes.type;
+ nfsdirent->mode = entry->name_attributes.post_op_attr_u.attributes.mode;
+ nfsdirent->size = entry->name_attributes.post_op_attr_u.attributes.size;
+
+ nfsdirent->atime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.atime.seconds;
+ nfsdirent->atime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.atime.nseconds/1000;
+ nfsdirent->mtime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.mtime.seconds;
+ nfsdirent->mtime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.mtime.nseconds/1000;
+ nfsdirent->ctime.tv_sec = entry->name_attributes.post_op_attr_u.attributes.ctime.seconds;
+ nfsdirent->ctime.tv_usec = entry->name_attributes.post_op_attr_u.attributes.ctime.nseconds/1000;
+ }
+
nfsdirent->next = nfsdir->entries;
nfsdir->entries = nfsdirent;
entry = entry->nextentry;
}
- if (res->READDIR3res_u.resok.reply.eof == 0) {
- if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir_cb, &data->fh, cookie, res->READDIR3res_u.resok.cookieverf, 20000, data) != 0) {
- rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
+ if (res->READDIRPLUS3res_u.resok.reply.eof == 0) {
+ if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, cookie, res->READDIRPLUS3res_u.resok.cookieverf, 8192, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
nfs_free_nfsdir(nfsdir);
data->continue_data = NULL;
{
cookieverf3 cv;
- bzero(cv, sizeof(cookieverf3));
- if (rpc_nfs_readdir_async(nfs->rpc, nfs_opendir_cb, &data->fh, 0, (char *)&cv, 20000, data) != 0) {
- rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIR call for %s", data->path);
+ memset(cv, 0, sizeof(cookieverf3));
+ if (rpc_nfs_readdirplus_async(nfs->rpc, nfs_opendir_cb, &data->fh, 0, (char *)&cv, 8192, data) != 0) {
+ rpc_set_error(nfs->rpc, "RPC error: Failed to send READDIRPLUS call for %s", data->path);
data->cb(-ENOMEM, nfs, rpc_get_error(nfs->rpc), data->private_data);
free_nfs_cb_data(data);
return -1;
rpc_set_error(nfs->rpc, "failed to allocate buffer for nfsdir");
return -1;
}
- bzero(nfsdir, sizeof(struct nfsdir));
+ memset(nfsdir, 0, sizeof(struct nfsdir));
if (nfs_lookuppath_async(nfs, path, cb, private_data, nfs_opendir_continue_internal, nfsdir, free, 0) != 0) {
rpc_set_error(nfs->rpc, "Out of memory: failed to start parsing the path components");
{
SETATTR3args args;
- bzero(&args, sizeof(SETATTR3args));
+ memset(&args, 0, sizeof(SETATTR3args));
args.object.data.data_len = data->fh.data.data_len;
args.object.data.data_val = data->fh.data.data_val;
args.new_attributes.mode.set_it = 1;
rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for nfs mount data");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
SETATTR3args args;
struct nfs_chown_data *chown_data = data->continue_data;
- bzero(&args, sizeof(SETATTR3args));
+ memset(&args, 0, sizeof(SETATTR3args));
args.object.data.data_len = data->fh.data.data_len;
args.object.data.data_val = data->fh.data.data_val;
if (chown_data->uid != (uid_t)-1) {
rpc_set_error(nfs->rpc, "out of memory. failed to allocate memory for fchown data");
return -1;
}
- bzero(data, sizeof(struct nfs_cb_data));
+ memset(data, 0, sizeof(struct nfs_cb_data));
data->nfs = nfs;
data->cb = cb;
data->private_data = private_data;
SETATTR3args args;
struct timeval *utimes_data = data->continue_data;
- bzero(&args, sizeof(SETATTR3args));
+ memset(&args, 0, sizeof(SETATTR3args));
args.object.data.data_len = data->fh.data.data_len;
args.object.data.data_val = data->fh.data.data_val;
if (utimes_data != NULL) {
rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for symlink data");
return -1;
}
- bzero(symlink_data, sizeof(struct nfs_symlink_data));
+ memset(symlink_data, 0, sizeof(struct nfs_symlink_data));
symlink_data->oldpath = strdup(oldpath);
if (symlink_data->oldpath == NULL) {
rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for rename data");
return -1;
}
- bzero(rename_data, sizeof(struct nfs_rename_data));
+ memset(rename_data, 0, sizeof(struct nfs_rename_data));
rename_data->oldpath = strdup(oldpath);
if (rename_data->oldpath == NULL) {
rpc_set_error(nfs->rpc, "Out of memory, failed to allocate buffer for link data");
return -1;
}
- bzero(link_data, sizeof(struct nfs_link_data));
+ memset(link_data, 0, sizeof(struct nfs_link_data));
link_data->oldpath = strdup(oldpath);
if (link_data->oldpath == NULL) {
*/
size_t nfs_get_writemax(struct nfs_context *nfs)
{
- return nfs->writemax;
+ /* Some XDR libraries can not marshall PDUs bigger than this */
+ if (nfs->writemax < 32768) {
+ return nfs->writemax;
+ }
+ return 32768;
}
void nfs_set_error(struct nfs_context *nfs, char *error_string, ...)
char *str = NULL;
va_start(ap, error_string);
- vasprintf(&str, error_string, ap);
+ str = malloc(1024);
+ vsnprintf(str, 1024, error_string, ap);
if (nfs->rpc->error_string != NULL) {
free(nfs->rpc->error_string);
}
nfs->rpc->error_string = str;
- va_end(ap);
+ va_end(ap);
}
if (data == NULL) {
return -1;
}
- bzero(data, sizeof(struct mount_cb_data));
+ memset(data, 0, sizeof(struct mount_cb_data));
data->cb = cb;
data->private_data = private_data;
data->server = strdup(server);
const char *nfs_get_export(struct nfs_context *nfs) {
return nfs->export;
}
+
repositories / deb_libnfs.git / blobdiff