Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 167 insertions, 0 deletions

diff --git a/src/objclass/objclass.h b/src/objclass/objclass.h
new file mode 100644
index 000000000..403f35432
--- /dev/null
+++ b/src/objclass/objclass.h
@@ -0,0 +1,167 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_OBJCLASS_H
+#define CEPH_OBJCLASS_H
+
+#ifdef __cplusplus
+
+#include "../include/types.h"
+#include "msg/msg_types.h"
+#include "common/hobject.h"
+#include "common/ceph_time.h"
+#include "common/ceph_releases.h"
+#include "include/rados/objclass.h"
+
+struct obj_list_watch_response_t;
+class PGLSFilter;
+
+extern "C" {
+#endif
+
+#define CLS_METHOD_PUBLIC   0x4 /// unused
+
+typedef void *cls_filter_handle_t;
+typedef int (*cls_method_call_t)(cls_method_context_t ctx,
+				 char *indata, int datalen,
+				 char **outdata, int *outdatalen);
+typedef struct {
+	const char *name;
+	const char *ver;
+} cls_deps_t;
+
+/* class utils */
+extern void *cls_alloc(size_t size);
+extern void cls_free(void *p);
+
+extern int cls_read(cls_method_context_t hctx, int ofs, int len,
+                                 char **outdata, int *outdatalen);
+extern int cls_call(cls_method_context_t hctx, const char *cls, const char *method,
+                                 char *indata, int datalen,
+                                 char **outdata, int *outdatalen);
+extern int cls_getxattr(cls_method_context_t hctx, const char *name,
+                                 char **outdata, int *outdatalen);
+extern int cls_setxattr(cls_method_context_t hctx, const char *name,
+                                 const char *value, int val_len);
+/** This will fill in the passed origin pointer with the origin of the
+ * request which activated your class call. */
+extern int cls_get_request_origin(cls_method_context_t hctx,
+                                  entity_inst_t *origin);
+
+/* class registration api */
+extern int cls_unregister(cls_handle_t);
+
+extern int cls_register_method(cls_handle_t hclass, const char *method, int flags,
+                        cls_method_call_t class_call, cls_method_handle_t *handle);
+extern int cls_unregister_method(cls_method_handle_t handle);
+extern void cls_unregister_filter(cls_filter_handle_t handle);
+
+
+
+/* triggers */
+#define OBJ_READ    0x1
+#define OBJ_WRITE   0x2
+
+typedef int cls_trigger_t;
+
+extern int cls_link(cls_method_handle_t handle, int priority, cls_trigger_t trigger);
+extern int cls_unlink(cls_method_handle_t handle);
+
+
+/* should be defined by the class implementation
+   defined here inorder to get it compiled without C++ mangling */
+extern void class_init(void);
+extern void class_fini(void);
+
+#ifdef __cplusplus
+}
+// Classes expose a filter constructor that returns a subclass of PGLSFilter
+typedef PGLSFilter* (*cls_cxx_filter_factory_t)();
+
+
+extern int cls_register_cxx_filter(cls_handle_t hclass,
+                                   const std::string &filter_name,
+				   cls_cxx_filter_factory_t fn,
+                                   cls_filter_handle_t *handle=NULL);
+
+extern int cls_cxx_stat2(cls_method_context_t hctx, uint64_t *size, ceph::real_time *mtime);
+extern int cls_cxx_read2(cls_method_context_t hctx, int ofs, int len,
+                         ceph::buffer::list *bl, uint32_t op_flags);
+extern int cls_cxx_write2(cls_method_context_t hctx, int ofs, int len,
+                          ceph::buffer::list *bl, uint32_t op_flags);
+extern int cls_cxx_write_full(cls_method_context_t hctx, ceph::buffer::list *bl);
+extern int cls_cxx_getxattrs(cls_method_context_t hctx, std::map<std::string,
+			     ceph::buffer::list> *attrset);
+extern int cls_cxx_replace(cls_method_context_t hctx, int ofs, int len,
+			   ceph::buffer::list *bl);
+extern int cls_cxx_truncate(cls_method_context_t hctx, int ofs);
+extern int cls_cxx_write_zero(cls_method_context_t hctx, int ofs, int len);
+extern int cls_cxx_snap_revert(cls_method_context_t hctx, snapid_t snapid);
+extern int cls_cxx_map_clear(cls_method_context_t hctx);
+extern int cls_cxx_map_get_all_vals(cls_method_context_t hctx,
+                                    std::map<std::string, ceph::buffer::list> *vals,
+                                    bool *more);
+extern int cls_cxx_map_get_keys(cls_method_context_t hctx,
+                                const std::string &start_after,
+                                uint64_t max_to_get,
+                                std::set<std::string> *keys,
+                                bool *more);
+extern int cls_cxx_map_get_vals(cls_method_context_t hctx,
+                                const std::string& start_after,
+                                const std::string& filter_prefix,
+                                uint64_t max_to_get,
+                                std::map<std::string, ceph::buffer::list> *vals,
+                                bool *more);
+extern int cls_cxx_map_get_val(cls_method_context_t hctx, const std::string &key,
+                               bufferlist *outbl);
+extern int cls_cxx_map_get_vals_by_keys(cls_method_context_t hctx,
+                                        const std::set<std::string> &keys,
+                                        std::map<std::string, bufferlist> *map);
+extern int cls_cxx_map_read_header(cls_method_context_t hctx, ceph::buffer::list *outbl);
+extern int cls_cxx_map_set_vals(cls_method_context_t hctx,
+                                const std::map<std::string, ceph::buffer::list> *map);
+extern int cls_cxx_map_write_header(cls_method_context_t hctx, ceph::buffer::list *inbl);
+extern int cls_cxx_map_remove_key(cls_method_context_t hctx, const std::string &key);
+/* remove keys in the range [key_begin, key_end) */
+extern int cls_cxx_map_remove_range(cls_method_context_t hctx,
+                                    const std::string& key_begin,
+                                    const std::string& key_end);
+extern int cls_cxx_map_update(cls_method_context_t hctx, ceph::buffer::list *inbl);
+
+extern int cls_cxx_list_watchers(cls_method_context_t hctx,
+				 obj_list_watch_response_t *watchers);
+
+/* utility functions */
+extern int cls_gen_random_bytes(char *buf, int size);
+extern int cls_gen_rand_base64(char *dest, int size); /* size should be the required string size + 1 */
+
+/* environment */
+extern uint64_t cls_current_version(cls_method_context_t hctx);
+extern int cls_current_subop_num(cls_method_context_t hctx);
+extern uint64_t cls_get_features(cls_method_context_t hctx);
+extern uint64_t cls_get_client_features(cls_method_context_t hctx);
+extern ceph_release_t cls_get_required_osd_release(cls_method_context_t hctx);
+extern ceph_release_t cls_get_min_compatible_client(cls_method_context_t hctx);
+
+/* helpers */
+extern void cls_cxx_subop_version(cls_method_context_t hctx, std::string *s);
+
+extern int cls_get_snapset_seq(cls_method_context_t hctx, uint64_t *snap_seq);
+
+/* These are also defined in rados.h and librados.h. Keep them in sync! */
+#define CEPH_OSD_TMAP_HDR 'h'
+#define CEPH_OSD_TMAP_SET 's'
+#define CEPH_OSD_TMAP_CREATE 'c'
+#define CEPH_OSD_TMAP_RM 'r'
+
+int cls_cxx_chunk_write_and_set(cls_method_context_t hctx, int ofs, int len,
+                   ceph::buffer::list *write_inbl, uint32_t op_flags, ceph::buffer::list *set_inbl,
+		   int set_len);
+int cls_get_manifest_ref_count(cls_method_context_t hctx, std::string fp_oid);
+
+extern uint64_t cls_get_osd_min_alloc_size(cls_method_context_t hctx);
+extern uint64_t cls_get_pool_stripe_width(cls_method_context_t hctx);
+
+#endif
+
+#endif