static dpl_status_t
dpl_vdir_opendir(dpl_ctx_t *ctx,
char *bucket,
dpl_ino_t ino,
void **dir_hdlp)
{
dpl_dir_t *dir;
int ret, ret2;
DPL_TRACE(ctx, DPL_TRACE_VDIR, "opendir bucket=%s ino=%s", bucket, ino.key);
dir = malloc(sizeof (*dir));
if (NULL == dir)
{
ret = DPL_FAILURE;
goto end;
}
memset(dir, 0, sizeof (*dir));
dir->ctx = ctx;
dir->ino = ino;
//AWS prefers NULL for listing the root dir
ret2 = dpl_list_bucket(ctx, bucket, !strcmp(ino.key, "") ? NULL : ino.key, ctx->delim, &dir->files, &dir->directories);
if (DPL_SUCCESS != ret2)
{
DPLERR(0, "list_bucket failed %s:%s", bucket, ino.key);
ret = DPL_FAILURE;
goto end;
}
//printf("%s:%s n_files=%d n_dirs=%d\n", bucket, ino.key, dir->files->n_items, dir->directories->n_items);
if (NULL != dir_hdlp)
*dir_hdlp = dir;
DPL_TRACE(dir->ctx, DPL_TRACE_VDIR, "dir_hdl=%p", dir);
ret = DPL_SUCCESS;
end:
if (DPL_SUCCESS != ret)
{
if (NULL != dir->files)
dpl_vec_objects_free(dir->files);
if (NULL != dir->directories)
dpl_vec_common_prefixes_free(dir->directories);
if (NULL != dir)
free(dir);
}
DPL_TRACE(ctx, DPL_TRACE_VDIR, "ret=%d", ret);
return ret;
}
dpl_status_t
dpl_cdmi_list_bucket(dpl_ctx_t *ctx,
const char *bucket,
const char *prefix,
const char *delimiter,
const int max_keys,
dpl_vec_t **objectsp,
dpl_vec_t **common_prefixesp,
char **locationp)
{
int ret, ret2;
dpl_conn_t *conn = NULL;
char header[dpl_header_size];
u_int header_len;
struct iovec iov[10];
int n_iov = 0;
int connection_close = 0;
char *data_buf = NULL;
u_int data_len;
dpl_dict_t *headers_request = NULL;
dpl_dict_t *headers_reply = NULL;
dpl_req_t *req = NULL;
dpl_vec_t *common_prefixes = NULL;
dpl_vec_t *objects = NULL;
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "");
req = dpl_req_new(ctx);
if (NULL == req)
{
ret = DPL_ENOMEM;
goto end;
}
dpl_req_set_method(req, DPL_METHOD_GET);
ret2 = dpl_cdmi_req_set_resource(req, NULL != prefix ? prefix : "/");
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
dpl_req_set_object_type(req, DPL_FTYPE_DIR);
//build request
ret2 = dpl_cdmi_req_build(req, 0, &headers_request, NULL, NULL);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
//contact default host
dpl_req_rm_behavior(req, DPL_BEHAVIOR_VIRTUAL_HOSTING);
ret2 = dpl_try_connect(ctx, req, &conn);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_add_host_to_headers(req, headers_request);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_req_gen_http_request(ctx, req, headers_request, NULL, header, sizeof (header), &header_len);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
iov[n_iov].iov_base = header;
iov[n_iov].iov_len = header_len;
n_iov++;
//final crlf
iov[n_iov].iov_base = "\r\n";
iov[n_iov].iov_len = 2;
n_iov++;
ret2 = dpl_conn_writev_all(conn, iov, n_iov, conn->ctx->write_timeout);
if (DPL_SUCCESS != ret2)
{
DPL_TRACE(conn->ctx, DPL_TRACE_ERR, "writev failed");
connection_close = 1;
ret = ret2;
goto end;
}
ret2 = dpl_read_http_reply(conn, 1, &data_buf, &data_len, &headers_reply, &connection_close);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
objects = dpl_vec_new(2, 2);
if (NULL == objects)
{
ret = DPL_ENOMEM;
goto end;
}
common_prefixes = dpl_vec_new(2, 2);
if (NULL == common_prefixes)
{
ret = DPL_ENOMEM;
goto end;
}
ret2 = dpl_cdmi_parse_list_bucket(ctx, data_buf, data_len, prefix, objects, common_prefixes);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
if (NULL != objectsp)
{
*objectsp = objects;
objects = NULL; //consume it
}
if (NULL != common_prefixesp)
{
*common_prefixesp = common_prefixes;
common_prefixes = NULL; //consume it
}
ret = DPL_SUCCESS;
end:
if (NULL != objects)
dpl_vec_objects_free(objects);
if (NULL != common_prefixes)
dpl_vec_common_prefixes_free(common_prefixes);
if (NULL != data_buf)
free(data_buf);
if (NULL != conn)
{
if (1 == connection_close)
dpl_conn_terminate(conn);
else
dpl_conn_release(conn);
}
if (NULL != headers_reply)
dpl_dict_free(headers_reply);
if (NULL != headers_request)
dpl_dict_free(headers_request);
if (NULL != req)
dpl_req_free(req);
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "ret=%d", ret);
return ret;
}
dpl_status_t
dpl_cdmi_list_bucket(dpl_ctx_t *ctx,
const char *bucket,
const char *prefix,
const char *delimiter,
dpl_vec_t **objectsp,
dpl_vec_t **common_prefixesp)
{
char *host;
int ret, ret2;
dpl_conn_t *conn = NULL;
char header[1024];
u_int header_len;
struct iovec iov[10];
int n_iov = 0;
int connection_close = 0;
char *data_buf = NULL;
u_int data_len;
dpl_dict_t *headers_request = NULL;
dpl_dict_t *headers_reply = NULL;
dpl_req_t *req = NULL;
dpl_vec_t *common_prefixes = NULL;
dpl_vec_t *objects = NULL;
req = dpl_req_new(ctx);
if (NULL == req)
{
ret = DPL_ENOMEM;
goto end;
}
dpl_req_set_method(req, DPL_METHOD_GET);
ret2 = dpl_req_set_resource(req, NULL != prefix ? prefix : "/");
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
//contact default host
dpl_req_rm_behavior(req, DPL_BEHAVIOR_VIRTUAL_HOSTING);
dpl_req_set_object_type(req, DPL_FTYPE_DIR);
//build request
ret2 = dpl_cdmi_req_build(req, &headers_request, NULL, NULL);
if (DPL_SUCCESS != ret2)
{
ret = DPL_FAILURE;
goto end;
}
host = dpl_dict_get_value(headers_request, "Host");
if (NULL == host)
{
ret = DPL_FAILURE;
goto end;
}
conn = dpl_conn_open_host(ctx, host, ctx->port);
if (NULL == conn)
{
ret = DPL_FAILURE;
goto end;
}
//bucket emulation
ret2 = dpl_dict_add(headers_request, "X-Scality-Bucket", bucket, 0);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_req_gen_http_request(ctx, req, headers_request, NULL, header, sizeof (header), &header_len);
if (DPL_SUCCESS != ret2)
{
ret = DPL_FAILURE;
goto end;
}
iov[n_iov].iov_base = header;
iov[n_iov].iov_len = header_len;
n_iov++;
//final crlf
iov[n_iov].iov_base = "\r\n";
iov[n_iov].iov_len = 2;
n_iov++;
ret2 = dpl_conn_writev_all(conn, iov, n_iov, conn->ctx->write_timeout);
if (DPL_SUCCESS != ret2)
{
DPLERR(1, "writev failed");
connection_close = 1;
ret = DPL_ENOENT; //mapped to 404
goto end;
}
ret2 = dpl_read_http_reply(conn, 1, &data_buf, &data_len, &headers_reply);
if (DPL_SUCCESS != ret2)
{
if (DPL_ENOENT == ret2)
{
ret = DPL_ENOENT;
goto end;
}
else
{
DPLERR(0, "read http answer failed");
connection_close = 1;
ret = DPL_ENOENT; //mapped to 404
goto end;
}
}
else
{
connection_close = dpl_connection_close(ctx, headers_reply);
}
(void) dpl_log_event(ctx, "DATA", "OUT", data_len);
objects = dpl_vec_new(2, 2);
if (NULL == objects)
{
ret = DPL_FAILURE;
goto end;
}
common_prefixes = dpl_vec_new(2, 2);
if (NULL == common_prefixes)
{
ret = DPL_FAILURE;
goto end;
}
ret = dpl_cdmi_parse_list_bucket(ctx, data_buf, data_len, prefix, objects, common_prefixes);
if (DPL_SUCCESS != ret)
{
ret = DPL_FAILURE;
goto end;
}
if (NULL != objectsp)
{
*objectsp = objects;
objects = NULL; //consume it
}
if (NULL != common_prefixesp)
{
*common_prefixesp = common_prefixes;
common_prefixes = NULL; //consume it
}
ret = DPL_SUCCESS;
end:
if (NULL != objects)
dpl_vec_objects_free(objects);
if (NULL != common_prefixes)
dpl_vec_common_prefixes_free(common_prefixes);
if (NULL != data_buf)
free(data_buf);
if (NULL != conn)
{
if (1 == connection_close)
dpl_conn_terminate(conn);
else
dpl_conn_release(conn);
}
if (NULL != headers_reply)
dpl_dict_free(headers_reply);
if (NULL != headers_request)
dpl_dict_free(headers_request);
if (NULL != req)
dpl_req_free(req);
DPRINTF("ret=%d\n", ret);
return ret;
}
dpl_status_t
dpl_s3_list_bucket(dpl_ctx_t *ctx,
const char *bucket,
const char *prefix,
const char *delimiter,
const int max_keys,
dpl_vec_t **objectsp,
dpl_vec_t **common_prefixesp,
char **locationp)
{
int ret, ret2;
dpl_conn_t *conn = NULL;
char header[dpl_header_size];
u_int header_len;
struct iovec iov[10];
int n_iov = 0;
int connection_close = 0;
char *data_buf = NULL;
u_int data_len;
dpl_vec_t *objects = NULL;
dpl_vec_t *common_prefixes = NULL;
dpl_dict_t *query_params = NULL;
dpl_dict_t *headers_request = NULL;
dpl_dict_t *headers_reply = NULL;
dpl_req_t *req = NULL;
dpl_s3_req_mask_t req_mask = 0u;
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "");
req = dpl_req_new(ctx);
if (NULL == req)
{
ret = DPL_ENOMEM;
goto end;
}
dpl_req_set_method(req, DPL_METHOD_GET);
if (NULL == bucket)
{
ret = DPL_EINVAL;
goto end;
}
ret2 = dpl_req_set_bucket(req, bucket);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_req_set_resource(req, "/");
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
query_params = dpl_dict_new(13);
if (NULL == query_params)
{
ret = DPL_ENOMEM;
goto end;
}
if (NULL != prefix)
{
ret2 = dpl_dict_add(query_params, "prefix", prefix, 0);
if (DPL_SUCCESS != ret2)
{
ret = DPL_ENOMEM;
goto end;
}
}
if (NULL != delimiter)
{
ret2 = dpl_dict_add(query_params, "delimiter", delimiter, 0);
if (DPL_SUCCESS != ret2)
{
ret = DPL_ENOMEM;
goto end;
}
}
if (-1 != max_keys)
{
char tmp[32] = "";
snprintf(tmp, sizeof tmp, "%d", max_keys);
ret2 = dpl_dict_add(query_params, "max-keys", tmp, 0);
if (DPL_SUCCESS != ret2)
{
ret = DPL_ENOMEM;
goto end;
}
}
ret2 = dpl_s3_req_build(req, req_mask, &headers_request);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_try_connect(ctx, req, &conn);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_add_host_to_headers(req, headers_request);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
ret2 = dpl_req_gen_http_request(ctx, req, headers_request, query_params, header, sizeof (header), &header_len);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
iov[n_iov].iov_base = header;
iov[n_iov].iov_len = header_len;
n_iov++;
//final crlf
iov[n_iov].iov_base = "\r\n";
iov[n_iov].iov_len = 2;
n_iov++;
ret2 = dpl_conn_writev_all(conn, iov, n_iov, conn->ctx->write_timeout);
if (DPL_SUCCESS != ret2)
{
DPL_TRACE(conn->ctx, DPL_TRACE_ERR, "writev failed");
connection_close = 1;
ret = ret2;
goto end;
}
ret2 = dpl_read_http_reply(conn, 1, &data_buf, &data_len, &headers_reply, &connection_close);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
objects = dpl_vec_new(2, 2);
if (NULL == objects)
{
ret = DPL_ENOMEM;
goto end;
}
common_prefixes = dpl_vec_new(2, 2);
if (NULL == common_prefixes)
{
ret = DPL_ENOMEM;
goto end;
}
ret = dpl_s3_parse_list_bucket(ctx, data_buf, data_len, objects, common_prefixes);
if (DPL_SUCCESS != ret)
{
ret = ret2;
goto end;
}
if (NULL != objectsp)
{
*objectsp = objects;
objects = NULL; //consume it
}
if (NULL != common_prefixesp)
{
*common_prefixesp = common_prefixes;
common_prefixes = NULL; //consume it
}
ret = DPL_SUCCESS;
end:
if (NULL != objects)
dpl_vec_objects_free(objects);
if (NULL != common_prefixes)
dpl_vec_common_prefixes_free(common_prefixes);
if (NULL != data_buf)
free(data_buf);
if (NULL != conn)
{
if (1 == connection_close)
dpl_conn_terminate(conn);
else
dpl_conn_release(conn);
}
if (NULL != query_params)
dpl_dict_free(query_params);
if (NULL != headers_reply)
dpl_dict_free(headers_reply);
if (NULL != headers_request)
dpl_dict_free(headers_request);
if (NULL != req)
dpl_req_free(req);
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "ret=%d", ret);
return ret;
}
dpl_status_t
dpl_posix_list_bucket(dpl_ctx_t *ctx,
const char *bucket,
const char *prefix,
const char *delimiter,
const int max_keys,
dpl_vec_t **objectsp,
dpl_vec_t **common_prefixesp,
char **locationp)
{
DIR *dir = NULL;
dpl_status_t ret, ret2;
int iret;
char path[MAXPATHLEN];
char objpath[MAXPATHLEN];
struct dirent entry, *entryp;
struct stat st;
dpl_vec_t *common_prefixes = NULL;
dpl_vec_t *objects = NULL;
dpl_common_prefix_t *common_prefix = NULL;
dpl_object_t *object = NULL;
char buf[MAXPATHLEN];
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "");
if (strcmp(delimiter, "/"))
{
ret = DPL_EINVAL;
goto end;
}
snprintf(path, sizeof (path), "/%s/%s", ctx->base_path ? ctx->base_path : "", prefix ? prefix : "");
dir = opendir(path);
if (NULL == dir)
{
ret = dpl_posix_map_errno();
perror("opendir");
goto end;
}
objects = dpl_vec_new(2, 2);
if (NULL == objects)
{
ret = DPL_ENOMEM;
goto end;
}
common_prefixes = dpl_vec_new(2, 2);
if (NULL == common_prefixes)
{
ret = DPL_ENOMEM;
goto end;
}
while (1)
{
iret = readdir_r(dir, &entry, &entryp);
if (0 != iret)
{
ret = dpl_posix_map_errno();
perror("readdir");
goto end;
}
if (!entryp)
break ;
if (!strcmp(entryp->d_name, ".") ||
!strcmp(entryp->d_name, ".."))
continue ;
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "%s", entryp->d_name);
if (entryp->d_type == DT_DIR)
{
//this is a directory
snprintf(buf, sizeof (buf), "%s%s/", prefix ? prefix : "", entryp->d_name);
common_prefix = malloc(sizeof (*common_prefix));
if (NULL == common_prefix)
{
ret = DPL_ENOMEM;
goto end;
}
memset(common_prefix, 0, sizeof (*common_prefix));
common_prefix->prefix = strdup(buf);
if (NULL == common_prefix->prefix)
{
ret = DPL_ENOMEM;
goto end;
}
ret2 = dpl_vec_add(common_prefixes, common_prefix);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
common_prefix = NULL;
}
else
{
snprintf(buf, sizeof (buf), "%s%s", prefix ? prefix : "", entryp->d_name);
object = malloc(sizeof (*object));
if (NULL == object)
{
ret = DPL_ENOMEM;
goto end;
}
memset(object, 0, sizeof (*object));
object->path = strdup(buf);
if (NULL == object->path)
{
ret = DPL_ENOMEM;
goto end;
}
snprintf(objpath, sizeof(objpath), "/%s/%s", ctx->base_path ? ctx->base_path : "", object->path);
iret = stat(objpath, &st);
if (0 != iret)
{
// It might be a broken link -> ENOENT, not an error, size=0
if (errno != ENOENT)
{
// Do not map errno here, since it makes the whole listing fail,
// and we don't want to thwart the meaning of the error for the directory.
perror("stat");
ret = DPL_FAILURE;
goto end;
}
st.st_size = 0;
}
object->size = st.st_size;
object->last_modified = st.st_mtime;
switch (entryp->d_type)
{
case DT_BLK:
object->type = DPL_FTYPE_BLKDEV;
break ;
case DT_CHR:
object->type = DPL_FTYPE_CHRDEV;
break ;
case DT_DIR:
object->type = DPL_FTYPE_DIR;
break ;
case DT_FIFO:
object->type = DPL_FTYPE_FIFO;
break ;
case DT_LNK:
object->type = DPL_FTYPE_SYMLINK;
break ;
case DT_SOCK:
object->type = DPL_FTYPE_SOCKET;
break ;
case DT_REG:
object->type = DPL_FTYPE_REG;
break ;
case DT_UNKNOWN:
default:
object->type = DPL_FTYPE_UNDEF;
break ;
}
ret2 = dpl_vec_add(objects, object);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
object = NULL;
}
}
if (NULL != objectsp)
{
*objectsp = objects;
objects = NULL; //consume it
}
if (NULL != common_prefixesp)
{
*common_prefixesp = common_prefixes;
common_prefixes = NULL; //consume it
}
ret = DPL_SUCCESS;
end:
if (NULL != object)
free(object);
if (NULL != common_prefix)
free(common_prefix);
if (NULL != objects)
dpl_vec_objects_free(objects);
if (NULL != common_prefixes)
dpl_vec_common_prefixes_free(common_prefixes);
if (NULL != dir)
closedir(dir);
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "ret=%d", ret);
return ret;
}
static dpl_status_t
dpl_vdir_lookup(dpl_ctx_t *ctx,
char *bucket,
dpl_ino_t parent_ino,
const char *obj_name,
dpl_ino_t *obj_inop,
dpl_ftype_t *obj_typep)
{
int ret, ret2;
dpl_vec_t *files = NULL;
dpl_vec_t *directories = NULL;
int i;
dpl_ino_t obj_ino;
dpl_ftype_t obj_type;
int delim_len = strlen(ctx->delim);
int obj_name_len = strlen(obj_name);
memset(&obj_ino, 0, sizeof (obj_ino));
DPL_TRACE(ctx, DPL_TRACE_VDIR, "lookup bucket=%s parent_ino=%s obj_name=%s", bucket, parent_ino.key, obj_name);
if (!strcmp(obj_name, "."))
{
if (NULL != obj_inop)
*obj_inop = parent_ino;
if (NULL != obj_typep)
*obj_typep = DPL_FTYPE_DIR;
ret = DPL_SUCCESS;
goto end;
}
else if (!strcmp(obj_name, ".."))
{
char *p, *p2;
if (!strcmp(parent_ino.key, ""))
{
//silent success for root dir
if (NULL != obj_inop)
*obj_inop = DPL_ROOT_INO;
if (NULL != obj_typep)
*obj_typep = DPL_FTYPE_DIR;
ret = DPL_SUCCESS;
goto end;
}
obj_ino = parent_ino;
p = dpl_strrstr(obj_ino.key, ctx->delim);
if (NULL == p)
{
fprintf(stderr, "parent key shall contain delim %s\n", ctx->delim);
ret = DPL_FAILURE;
goto end;
}
p -= delim_len;
for (p2 = p;p2 > obj_ino.key;p2--)
{
if (!strncmp(p2, ctx->delim, delim_len))
{
DPRINTF("found delim\n");
p2 += delim_len;
break ;
}
}
*p2 = 0;
if (NULL != obj_inop)
*obj_inop = obj_ino;
if (NULL != obj_typep)
*obj_typep = DPL_FTYPE_DIR;
ret = DPL_SUCCESS;
goto end;
}
//AWS do not like "" as a prefix
ret2 = dpl_list_bucket(ctx, bucket, !strcmp(parent_ino.key, "") ? NULL : parent_ino.key, ctx->delim, &files, &directories);
if (DPL_SUCCESS != ret2)
{
DPLERR(0, "list_bucket failed %s:%s", bucket, parent_ino.key);
ret = DPL_FAILURE;
goto end;
}
for (i = 0;i < files->n_items;i++)
{
dpl_object_t *obj = (dpl_object_t *) files->array[i];
int key_len;
char *p;
p = dpl_strrstr(obj->key, ctx->delim);
if (NULL != p)
p += delim_len;
else
p = obj->key;
DPRINTF("cmp obj_key=%s obj_name=%s\n", p, obj_name);
if (!strcmp(p, obj_name))
{
DPRINTF("ok\n");
key_len = strlen(obj->key);
if (key_len >= DPL_MAXNAMLEN)
{
DPLERR(0, "key is too long");
ret = DPL_FAILURE;
goto end;
}
memcpy(obj_ino.key, obj->key, key_len);
obj_ino.key[key_len] = 0;
if (key_len >= delim_len && !strcmp(obj->key + key_len - delim_len, ctx->delim))
obj_type = DPL_FTYPE_DIR;
else
obj_type = DPL_FTYPE_REG;
if (NULL != obj_inop)
*obj_inop = obj_ino;
if (NULL != obj_typep)
*obj_typep = obj_type;
ret = DPL_SUCCESS;
goto end;
}
}
for (i = 0;i < directories->n_items;i++)
{
dpl_common_prefix_t *prefix = (dpl_common_prefix_t *) directories->array[i];
int key_len;
char *p, *p2;
p = dpl_strrstr(prefix->prefix, ctx->delim);
if (NULL == p)
{
fprintf(stderr, "prefix %s shall contain delim %s\n", prefix->prefix, ctx->delim);
continue ;
}
DPRINTF("p='%s'\n", p);
p -= delim_len;
for (p2 = p;p2 > prefix->prefix;p2--)
{
DPRINTF("p2='%s'\n", p2);
if (!strncmp(p2, ctx->delim, delim_len))
{
DPRINTF("found delim\n");
p2 += delim_len;
break ;
}
}
key_len = p - p2 + 1;
DPRINTF("cmp (prefix=%s) prefix=%.*s obj_name=%s\n", prefix->prefix, key_len, p2, obj_name);
if (key_len == obj_name_len && !strncmp(p2, obj_name, obj_name_len))
{
DPRINTF("ok\n");
key_len = strlen(prefix->prefix);
if (key_len >= DPL_MAXNAMLEN)
{
DPLERR(0, "key is too long");
ret = DPL_FAILURE;
goto end;
}
memcpy(obj_ino.key, prefix->prefix, key_len);
obj_ino.key[key_len] = 0;
obj_type = DPL_FTYPE_DIR;
if (NULL != obj_inop)
*obj_inop = obj_ino;
if (NULL != obj_typep)
*obj_typep = obj_type;
ret = DPL_SUCCESS;
goto end;
}
}
ret = DPL_ENOENT;
end:
if (NULL != files)
dpl_vec_objects_free(files);
if (NULL != directories)
dpl_vec_common_prefixes_free(directories);
DPL_TRACE(ctx, DPL_TRACE_VDIR, "ret=%d", ret);
return ret;
}
dpl_status_t
dpl_posix_list_bucket(dpl_ctx_t *ctx,
const char *bucket,
const char *prefix,
const char *delimiter,
const int max_keys,
dpl_vec_t **objectsp,
dpl_vec_t **common_prefixesp,
char **locationp)
{
DIR *dir = NULL;
dpl_status_t ret, ret2;
int iret;
char path[MAXPATHLEN];
struct dirent entry, *entryp;
dpl_vec_t *common_prefixes = NULL;
dpl_vec_t *objects = NULL;
dpl_common_prefix_t *common_prefix = NULL;
dpl_object_t *object = NULL;
char buf[MAXPATHLEN];
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "");
if (strcmp(delimiter, "/"))
{
ret = DPL_EINVAL;
goto end;
}
snprintf(path, sizeof (path), "/%s/%s", ctx->base_path ? ctx->base_path : "", prefix ? prefix : "");
dir = opendir(path);
if (NULL == dir)
{
perror("opendir");
ret = DPL_FAILURE;
goto end;
}
objects = dpl_vec_new(2, 2);
if (NULL == objects)
{
ret = DPL_ENOMEM;
goto end;
}
common_prefixes = dpl_vec_new(2, 2);
if (NULL == common_prefixes)
{
ret = DPL_ENOMEM;
goto end;
}
while (1)
{
iret = readdir_r(dir, &entry, &entryp);
if (0 != iret)
{
perror("readdir");
ret = DPL_FAILURE;
goto end;
}
if (!entryp)
break ;
if (!strcmp(entryp->d_name, ".") ||
!strcmp(entryp->d_name, ".."))
continue ;
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "%s", entryp->d_name);
if (entryp->d_type == DT_DIR)
{
//this is a directory
snprintf(buf, sizeof (buf), "%s%s/", prefix ? prefix : "", entryp->d_name);
common_prefix = malloc(sizeof (*common_prefix));
if (NULL == common_prefix)
{
ret = DPL_ENOMEM;
goto end;
}
memset(common_prefix, 0, sizeof (*common_prefix));
common_prefix->prefix = strdup(buf);
if (NULL == common_prefix->prefix)
{
ret = DPL_ENOMEM;
goto end;
}
ret2 = dpl_vec_add(common_prefixes, common_prefix);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
common_prefix = NULL;
}
else
{
snprintf(buf, sizeof (buf), "%s%s", prefix ? prefix : "", entryp->d_name);
object = malloc(sizeof (*object));
if (NULL == object)
{
ret = DPL_ENOMEM;
goto end;
}
memset(object, 0, sizeof (*object));
object->path = strdup(buf);
if (NULL == object->path)
{
ret = DPL_ENOMEM;
goto end;
}
ret2 = dpl_vec_add(objects, object);
if (DPL_SUCCESS != ret2)
{
ret = ret2;
goto end;
}
object = NULL;
}
}
if (NULL != objectsp)
{
*objectsp = objects;
objects = NULL; //consume it
}
if (NULL != common_prefixesp)
{
*common_prefixesp = common_prefixes;
common_prefixes = NULL; //consume it
}
ret = DPL_SUCCESS;
end:
if (NULL != object)
free(object);
if (NULL != common_prefix)
free(common_prefix);
if (NULL != objects)
dpl_vec_objects_free(objects);
if (NULL != common_prefixes)
dpl_vec_common_prefixes_free(common_prefixes);
if (NULL != dir)
closedir(dir);
DPL_TRACE(ctx, DPL_TRACE_BACKEND, "ret=%d", ret);
return ret;
}
int
main(int argc,
char **argv)
{
int ret;
dpl_ctx_t *ctx;
char *folder = NULL;
int folder_len;
dpl_dict_t *metadata = NULL;
char *data_buf = NULL;
size_t data_len;
char *data_buf_returned = NULL;
u_int data_len_returned;
dpl_dict_t *metadata_returned = NULL;
dpl_dict_t *metadata2_returned = NULL;
dpl_dict_var_t *metadatum = NULL;
dpl_sysmd_t sysmd;
char new_path[MAXPATHLEN];
dpl_vec_t *files = NULL;
dpl_vec_t *sub_directories = NULL;
int i;
if (2 != argc)
{
fprintf(stderr, "usage: restrest folder\n");
ret = 1;
goto end;
}
folder = argv[1];
folder_len = strlen(folder);
if (folder_len < 1)
{
fprintf(stderr, "bad folder\n");
ret = 1;
goto end;
}
if (folder[folder_len-1] != '/')
{
fprintf(stderr, "folder name must end with a slash\n");
ret = 1;
goto end;
}
ret = dpl_init(); //init droplet library
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "dpl_init failed\n");
ret = 1;
goto end;
}
//open default profile
ctx = dpl_ctx_new(NULL, //droplet directory, default: "~/.droplet"
NULL); //droplet profile, default: "default"
if (NULL == ctx)
{
fprintf(stderr, "dpl_ctx_new failed\n");
ret = 1;
goto free_dpl;
}
//ctx->trace_level = ~0;
//ctx->trace_buffers = 1;
/**/
fprintf(stderr, "creating folder\n");
ret = dpl_put(ctx, //the context
NULL, //no bucket
folder, //the folder
NULL, //no option
DPL_FTYPE_DIR, //directory
NULL, //no condition
NULL, //no range
NULL, //no metadata
NULL, //no sysmd
NULL, //object body
0); //object length
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "dpl_put failed: %s (%d)\n", dpl_status_str(ret), ret);
ret = 1;
goto free_all;
}
/**/
data_len = 10000;
data_buf = malloc(data_len);
if (NULL == data_buf)
{
fprintf(stderr, "alloc data failed\n");
ret = 1;
goto free_all;
}
memset(data_buf, 'z', data_len);
metadata = dpl_dict_new(13);
if (NULL == metadata)
{
fprintf(stderr, "dpl_dict_new failed\n");
ret = 1;
goto free_all;
}
ret = dpl_dict_add(metadata, "foo", "bar", 0);
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "dpl_dict_add failed\n");
ret = 1;
goto free_all;
}
ret = dpl_dict_add(metadata, "foo2", "qux", 0);
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "dpl_dict_add failed\n");
ret = 1;
goto free_all;
}
/**/
fprintf(stderr, "atomic creation of an object+MD\n");
ret = dpl_post(ctx, //the context
NULL, //no bucket
folder, //the folder
NULL, //no option
DPL_FTYPE_REG, //regular object
NULL, //condition
NULL, //range
metadata, //the metadata
NULL, //no sysmd
data_buf, //object body
data_len, //object length
NULL, //no query params
&sysmd); //the returned sysmd
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "dpl_post failed: %s (%d)\n", dpl_status_str(ret), ret);
ret = 1;
goto free_all;
}
if (!(sysmd.mask & DPL_SYSMD_MASK_PATH))
{
fprintf(stderr, "path is absent from sysmd\n");
ret = 1;
goto free_all;
}
fprintf(stderr, "resource path %s\n", sysmd.path);
snprintf(new_path, sizeof (new_path), "%su.1", folder);
ret = dpl_copy(ctx,
NULL, //no src bucket
sysmd.path, //the src resource
NULL, //no dst bucket
new_path, //dst resource
NULL, //no option
DPL_FTYPE_REG, //regular file
DPL_COPY_DIRECTIVE_MOVE, //rename
NULL, //no metadata
NULL, //no sysmd
NULL); //no server side condition
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "dpl_move %s to %s failed: %s (%d)\n", sysmd.path, new_path, dpl_status_str(ret), ret);
ret = 1;
goto free_all;
}
/**/
fprintf(stderr, "getting object+MD\n");
ret = dpl_get(ctx, //the context
NULL, //no bucket
new_path, //the key
NULL, //no opion
DPL_FTYPE_REG, //object type
NULL, //no condition
NULL, //no range
&data_buf_returned, //data object
&data_len_returned, //data object length
&metadata_returned, //metadata
NULL); //sysmd
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "dpl_get_id failed: %s (%d)\n", dpl_status_str(ret), ret);
ret = 1;
goto free_all;
}
fprintf(stderr, "checking object\n");
if (data_len != data_len_returned)
{
fprintf(stderr, "data lengths mismatch\n");
ret = 1;
goto free_all;
}
if (0 != memcmp(data_buf, data_buf_returned, data_len))
{
fprintf(stderr, "data content mismatch\n");
ret = 1;
goto free_all;
}
fprintf(stderr, "checking metadata\n");
metadatum = dpl_dict_get(metadata_returned, "foo");
if (NULL == metadatum)
{
fprintf(stderr, "missing metadatum\n");
ret = 1;
goto free_all;
}
assert(metadatum->val->type == DPL_VALUE_STRING);
if (strcmp(metadatum->val->string, "bar"))
{
fprintf(stderr, "bad value in metadatum\n");
ret = 1;
goto free_all;
}
metadatum = dpl_dict_get(metadata_returned, "foo2");
if (NULL == metadatum)
{
fprintf(stderr, "missing metadatum\n");
ret = 1;
goto free_all;
}
assert(metadatum->val->type == DPL_VALUE_STRING);
if (strcmp(metadatum->val->string, "qux"))
{
fprintf(stderr, "bad value in metadatum\n");
ret = 1;
goto free_all;
}
/**/
fprintf(stderr, "setting MD only\n");
ret = dpl_dict_add(metadata, "foo", "bar2", 0);
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "error updating metadatum: %s (%d)\n", dpl_status_str(ret), ret);
ret = 1;
goto free_all;
}
ret = dpl_copy(ctx, //the context
NULL, //no src bucket
new_path, //the key
NULL, //no dst bucket
new_path, //the same key
NULL, //no option
DPL_FTYPE_REG, //object type
DPL_COPY_DIRECTIVE_METADATA_REPLACE, //tell server to replace metadata
metadata, //the updated metadata
NULL, //no sysmd
NULL); //no condition
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "error updating metadata: %s (%d)\n", dpl_status_str(ret), ret);
ret = 1;
goto free_all;
}
/**/
fprintf(stderr, "getting MD only\n");
ret = dpl_head(ctx, //the context
NULL, //no bucket,
new_path, //the key
NULL, //no option
DPL_FTYPE_UNDEF, //no matter the file type
NULL, //no condition,
&metadata2_returned,
NULL);
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "error getting metadata: %s (%d)\n", dpl_status_str(ret), ret);
ret = 1;
goto free_all;
}
fprintf(stderr, "checking metadata\n");
metadatum = dpl_dict_get(metadata2_returned, "foo");
if (NULL == metadatum)
{
fprintf(stderr, "missing metadatum\n");
ret = 1;
goto free_all;
}
assert(metadatum->val->type == DPL_VALUE_STRING);
if (strcmp(metadatum->val->string, "bar2"))
{
fprintf(stderr, "bad value in metadatum\n");
ret = 1;
goto free_all;
}
metadatum = dpl_dict_get(metadata2_returned, "foo2");
if (NULL == metadatum)
{
fprintf(stderr, "missing metadatum\n");
ret = 1;
goto free_all;
}
assert(metadatum->val->type == DPL_VALUE_STRING);
if (strcmp(metadatum->val->string, "qux"))
{
fprintf(stderr, "bad value in metadatum\n");
ret = 1;
goto free_all;
}
/**/
fprintf(stderr, "listing of folder\n");
ret = dpl_list_bucket(ctx,
NULL,
folder,
"/",
-1,
&files,
&sub_directories);
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "error listing folder: %s (%d)\n", dpl_status_str(ret), ret);
ret = 1;
goto free_all;
}
for (i = 0;i < files->n_items;i++)
{
dpl_object_t *obj = (dpl_object_t *) dpl_vec_get(files, i);
dpl_sysmd_t obj_sysmd;
dpl_dict_t *obj_md = NULL;
ret = dpl_head(ctx,
NULL, //no bucket
obj->path,
NULL, //option
DPL_FTYPE_UNDEF, //no matter the file type
NULL, //condition
&obj_md, //user metadata
&obj_sysmd); //system metadata
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "getattr error on %s: %s (%d)\n", obj->path, dpl_status_str(ret), ret);
ret = 1;
goto free_all;
}
fprintf(stderr, "file %s: size=%ld mtime=%lu\n", obj->path, obj_sysmd.size, obj_sysmd.mtime);
//dpl_dict_print(obj_md, stderr, 5);
dpl_dict_free(obj_md);
}
for (i = 0;i < sub_directories->n_items;i++)
{
dpl_common_prefix_t *dir = (dpl_common_prefix_t *) dpl_vec_get(sub_directories, i);
fprintf(stderr, "dir %s\n", dir->prefix);
}
/**/
fprintf(stderr, "delete object+MD\n");
ret = dpl_delete(ctx, //the context
NULL, //no bucket
new_path, //the key
NULL, //no option
DPL_FTYPE_UNDEF, //no matter the file type
NULL); //no condition
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "error deleting object: %s (%d)\n", dpl_status_str(ret), ret);
ret = 1;
goto free_all;
}
ret = 0;
free_all:
if (NULL != sub_directories)
dpl_vec_common_prefixes_free(sub_directories);
if (NULL != files)
dpl_vec_objects_free(files);
if (NULL != metadata2_returned)
dpl_dict_free(metadata2_returned);
if (NULL != metadata_returned)
dpl_dict_free(metadata_returned);
if (NULL != data_buf_returned)
free(data_buf_returned);
if (NULL != metadata)
dpl_dict_free(metadata);
if (NULL != data_buf)
free(data_buf);
dpl_ctx_free(ctx); //free context
free_dpl:
dpl_free(); //free droplet library
end:
return ret;
}