static void delete_status_bucket(struct cloudmig_ctx *ctx)
{
dpl_status_t dplret;
dpl_vec_t *objects = NULL;
cloudmig_log(DEBUG_LVL, "[Deleting files]: Deleting status bucket...\n");
dplret = dpl_list_bucket(ctx->src_ctx, ctx->status.bucket_name,
NULL, NULL, &objects, NULL);
if (dplret != DPL_SUCCESS)
{
PRINTERR("%s: Could not list bucket %s for deletion : %s\n",
__FUNCTION__, ctx->status.bucket_name, dpl_status_str(dplret));
goto deletebucket;
}
dpl_object_t** cur_object = (dpl_object_t**)objects->array;
for (int i = 0; i < objects->n_items; ++i, ++cur_object)
delete_file(ctx, ctx->status.bucket_name, (*cur_object)->key);
deletebucket:
dpl_deletebucket(ctx->src_ctx, ctx->status.bucket_name);
if (dplret != DPL_SUCCESS)
{
PRINTERR("%s: Could not delete bucket %s : %s.\n",
__FUNCTION__, ctx->status.bucket_name, dpl_status_str(dplret));
return ;
}
cloudmig_log(DEBUG_LVL, "[Deleting Source] Bucket %s deleted.\n",
ctx->status.bucket_name);
}
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
ls_recurse(struct ls_data *ls_data,
char *dir,
int level)
{
int ret;
if (1 == ls_data->aflag)
{
dpl_vec_t *objects = NULL;
int i;
//raw listing
ret = dpl_list_bucket(ctx, ctx->cur_bucket, NULL, NULL, &objects, NULL);
if (DPL_SUCCESS != ret)
{
fprintf(stderr, "listbucket failure %s (%d)\n", dpl_status_str(ret), ret);
return ret;
}
for (i = 0;i < objects->n_items;i++)
{
dpl_object_t *obj = (dpl_object_t *) objects->array[i];
if (0 == ls_data->pflag)
{
if (ls_data->lflag)
{
struct tm *stm;
stm = localtime(&obj->last_modified);
printf("%12llu %04d-%02d-%02d %02d:%02d %s\n", (unsigned long long) obj->size, 1900 + stm->tm_year, 1 + stm->tm_mon, stm->tm_mday, stm->tm_hour, stm->tm_min, obj->key);
}
else
{
printf("%s\n", obj->key);
}
}
ls_data->total_size += obj->size;
}
if (NULL != objects)
dpl_vec_objects_free(objects);
}
else
{
void *dir_hdl;
dpl_dirent_t entry;
dpl_ino_t cur_ino;
if (1 == ls_data->Rflag)
{
ret = dpl_chdir(ctx, dir);
if (DPL_SUCCESS != ret)
return ret;
cur_ino = dpl_cwd(ctx, ctx->cur_bucket);
printf("%s%s%s:\n", 0 == level ? "" : "\n", ctx->delim, cur_ino.key);
ret = dpl_opendir(ctx, ".", &dir_hdl);
if (DPL_SUCCESS != ret)
return ret;
}
else
{
ret = dpl_opendir(ctx, dir, &dir_hdl);
if (DPL_SUCCESS != ret)
return ret;
}
while (!dpl_eof(dir_hdl))
{
ret = dpl_readdir(dir_hdl, &entry);
if (DPL_SUCCESS != ret)
return ret;
if (0 == ls_data->pflag)
{
if (ls_data->lflag)
{
struct tm *stm;
stm = localtime(&entry.last_modified);
printf("%12llu %04d-%02d-%02d %02d:%02d %s\n", (unsigned long long) entry.size, 1900 + stm->tm_year, 1 + stm->tm_mon, stm->tm_mday, stm->tm_hour, stm->tm_min, entry.name);
}
else
{
printf("%s\n", entry.name);
}
}
ls_data->total_size += entry.size;
if (1 == ls_data->Rflag &&
strcmp(entry.name, ".") &&
(DPL_FTYPE_DIR == entry.type))
{
ret = ls_recurse(ls_data, entry.name, level + 1);
if (DPL_SUCCESS != ret)
return ret;
}
}
dpl_closedir(dir_hdl);
if (1 == ls_data->Rflag && level > 0)
{
ret = dpl_chdir(ctx, "..");
if (DPL_SUCCESS != ret)
return ret;
}
}
return DPL_SUCCESS;
}
int status_retrieve_states(struct cloudmig_ctx* ctx)
{
assert(ctx != NULL);
assert(ctx->status.bucket_name != NULL);
assert(ctx->status.buckets == NULL);
dpl_status_t dplret = DPL_SUCCESS;
int ret = EXIT_FAILURE;
dpl_vec_t *objects;
size_t migstatus_size = 0;
ctx->src_ctx->cur_bucket = ctx->status.bucket_name;
cloudmig_log(INFO_LVL, "[Loading Status]: Retrieving status...\n");
// Retrieve the list of files for the buckets states
dplret = dpl_list_bucket(ctx->src_ctx, ctx->status.bucket_name,
NULL, NULL, -1, &objects, NULL);
if (dplret != DPL_SUCCESS)
{
PRINTERR("%s: Could not list status bucket's files: %s\n",
__FUNCTION__, ctx->status.bucket_name, dpl_status_str(dplret));
goto err;
}
// Allocate enough room for each bucket.
ctx->status.n_buckets = objects->n_items;
ctx->status.cur_state = 0;
// -1 cause we dont want to allocate an entry for ".cloudmig"
ctx->status.buckets = calloc(objects->n_items,
sizeof(*(ctx->status.buckets)));
if (ctx->status.buckets == NULL)
{
PRINTERR("%s: Could not allocate state data for each bucket: %s\n",
__FUNCTION__, strerror(errno));
goto err;
}
// Now fill each one of these structures
int i_bucket = 0;
for (int i=0; i < objects->n_items; ++i, ++i_bucket)
{
dpl_object_t* obj = (dpl_object_t*)(objects->items[i]->ptr);
if (strcmp(".cloudmig", obj->path) == 0)
{
// save the file size
migstatus_size = obj->size;
// fix the n_buckets of the status ctx
--ctx->status.n_buckets;
// Now get to next entry without advancing in the buckets.
++i;
if (i >= objects->n_items)
break ;
}
ctx->status.buckets[i_bucket].filename = strdup(obj->path);
if (ctx->status.buckets[i_bucket].filename == NULL)
{
PRINTERR("%s: Could not allocate state data for each bucket: %s\n",
__FUNCTION__, strerror(errno));
goto err;
}
ctx->status.buckets[i_bucket].size = obj->size;
ctx->status.buckets[i_bucket].next_entry_off = 0;
// The buffer will be read/allocated when needed.
// Otherwise, it may use up too much memory
ctx->status.buckets[i_bucket].buf = NULL;
}
if (status_retrieve_associated_buckets(ctx, migstatus_size) == EXIT_FAILURE)
{
PRINTERR("%s: Could not associate status files to dest buckets.\n",
__FUNCTION__);
goto err;
}
ret = EXIT_SUCCESS;
cloudmig_log(INFO_LVL, "[Loading Status]: Status data retrieved.\n");
err:
if (ret == EXIT_FAILURE && ctx->status.buckets != NULL)
{
for (int i=0; i < ctx->status.n_buckets; ++i)
{
if (ctx->status.buckets[i].filename)
free(ctx->status.buckets[i].filename);
}
free(ctx->status.buckets);
ctx->status.buckets = NULL;
}
if (objects != NULL)
dpl_vec_objects_free(objects);
ctx->src_ctx->cur_bucket = NULL;
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;
}
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;
}
