X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=src%2Fceph%2Fsrc%2Flibrados%2FIoCtxImpl.h;fp=src%2Fceph%2Fsrc%2Flibrados%2FIoCtxImpl.h;h=b769fcd178cb821c9e1b5fe5aa985cfb7b9dbfdb;hb=812ff6ca9fcd3e629e49d4328905f33eee8ca3f5;hp=0000000000000000000000000000000000000000;hpb=15280273faafb77777eab341909a3f495cf248d9;p=stor4nfv.git

diff --git a/src/ceph/src/librados/IoCtxImpl.h b/src/ceph/src/librados/IoCtxImpl.h
new file mode 100644
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+++ b/src/ceph/src/librados/IoCtxImpl.h
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2004-2012 Sage Weil <sage@newdream.net>
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation.  See file COPYING.
+ *
+ */
+
+#ifndef CEPH_LIBRADOS_IOCTXIMPL_H
+#define CEPH_LIBRADOS_IOCTXIMPL_H
+
+#include <atomic>
+
+#include "common/Cond.h"
+#include "common/Mutex.h"
+#include "common/snap_types.h"
+#include "common/zipkin_trace.h"
+#include "include/types.h"
+#include "include/rados/librados.h"
+#include "include/rados/librados.hpp"
+#include "include/xlist.h"
+#include "osd/osd_types.h"
+#include "osdc/Objecter.h"
+
+class RadosClient;
+
+struct librados::IoCtxImpl {
+  std::atomic<uint64_t> ref_cnt = { 0 };
+  RadosClient *client;
+  int64_t poolid;
+  snapid_t snap_seq;
+  ::SnapContext snapc;
+  uint64_t assert_ver;
+  version_t last_objver;
+  uint32_t notify_timeout;
+  object_locator_t oloc;
+
+  Mutex aio_write_list_lock;
+  ceph_tid_t aio_write_seq;
+  Cond aio_write_cond;
+  xlist<AioCompletionImpl*> aio_write_list;
+  map<ceph_tid_t, std::list<AioCompletionImpl*> > aio_write_waiters;
+
+  Objecter *objecter;
+
+  IoCtxImpl();
+  IoCtxImpl(RadosClient *c, Objecter *objecter,
+	    int64_t poolid, snapid_t s);
+
+  void dup(const IoCtxImpl& rhs) {
+    // Copy everything except the ref count
+    client = rhs.client;
+    poolid = rhs.poolid;
+    snap_seq = rhs.snap_seq;
+    snapc = rhs.snapc;
+    assert_ver = rhs.assert_ver;
+    last_objver = rhs.last_objver;
+    notify_timeout = rhs.notify_timeout;
+    oloc = rhs.oloc;
+    objecter = rhs.objecter;
+  }
+
+  void set_snap_read(snapid_t s);
+  int set_snap_write_context(snapid_t seq, vector<snapid_t>& snaps);
+
+  void get() {
+    ref_cnt++;
+  }
+
+  void put() {
+    if (--ref_cnt == 0)
+      delete this;
+  }
+
+  void queue_aio_write(struct AioCompletionImpl *c);
+  void complete_aio_write(struct AioCompletionImpl *c);
+  void flush_aio_writes_async(AioCompletionImpl *c);
+  void flush_aio_writes();
+
+  int64_t get_id() {
+    return poolid;
+  }
+
+  string get_cached_pool_name();
+
+  int get_object_hash_position(const std::string& oid, uint32_t *hash_position);
+  int get_object_pg_hash_position(const std::string& oid, uint32_t *pg_hash_position);
+
+  ::ObjectOperation *prepare_assert_ops(::ObjectOperation *op);
+
+  // snaps
+  int snap_list(vector<uint64_t> *snaps);
+  int snap_lookup(const char *name, uint64_t *snapid);
+  int snap_get_name(uint64_t snapid, std::string *s);
+  int snap_get_stamp(uint64_t snapid, time_t *t);
+  int snap_create(const char* snapname);
+  int selfmanaged_snap_create(uint64_t *snapid);
+  void aio_selfmanaged_snap_create(uint64_t *snapid, AioCompletionImpl *c);
+  int snap_remove(const char* snapname);
+  int rollback(const object_t& oid, const char *snapName);
+  int selfmanaged_snap_remove(uint64_t snapid);
+  void aio_selfmanaged_snap_remove(uint64_t snapid, AioCompletionImpl *c);
+  int selfmanaged_snap_rollback_object(const object_t& oid,
+                                       ::SnapContext& snapc, uint64_t snapid);
+
+  // io
+  int nlist(Objecter::NListContext *context, int max_entries);
+  uint32_t nlist_seek(Objecter::NListContext *context, uint32_t pos);
+  uint32_t nlist_seek(Objecter::NListContext *context, const rados_object_list_cursor& cursor);
+  rados_object_list_cursor nlist_get_cursor(Objecter::NListContext *context);
+  void object_list_slice(
+    const hobject_t start,
+    const hobject_t finish,
+    const size_t n,
+    const size_t m,
+    hobject_t *split_start,
+    hobject_t *split_finish);
+
+  int create(const object_t& oid, bool exclusive);
+  int write(const object_t& oid, bufferlist& bl, size_t len, uint64_t off);
+  int append(const object_t& oid, bufferlist& bl, size_t len);
+  int write_full(const object_t& oid, bufferlist& bl);
+  int writesame(const object_t& oid, bufferlist& bl,
+		size_t write_len, uint64_t offset);
+  int read(const object_t& oid, bufferlist& bl, size_t len, uint64_t off);
+  int mapext(const object_t& oid, uint64_t off, size_t len,
+	     std::map<uint64_t,uint64_t>& m);
+  int sparse_read(const object_t& oid, std::map<uint64_t,uint64_t>& m,
+		  bufferlist& bl, size_t len, uint64_t off);
+  int checksum(const object_t& oid, uint8_t type, const bufferlist &init_value,
+	       size_t len, uint64_t off, size_t chunk_size, bufferlist *pbl);
+  int remove(const object_t& oid);
+  int remove(const object_t& oid, int flags);
+  int stat(const object_t& oid, uint64_t *psize, time_t *pmtime);
+  int stat2(const object_t& oid, uint64_t *psize, struct timespec *pts);
+  int trunc(const object_t& oid, uint64_t size);
+  int cmpext(const object_t& oid, uint64_t off, bufferlist& cmp_bl);
+
+  int tmap_update(const object_t& oid, bufferlist& cmdbl);
+  int tmap_put(const object_t& oid, bufferlist& bl);
+  int tmap_get(const object_t& oid, bufferlist& bl);
+  int tmap_to_omap(const object_t& oid, bool nullok=false);
+
+  int exec(const object_t& oid, const char *cls, const char *method, bufferlist& inbl, bufferlist& outbl);
+
+  int getxattr(const object_t& oid, const char *name, bufferlist& bl);
+  int setxattr(const object_t& oid, const char *name, bufferlist& bl);
+  int getxattrs(const object_t& oid, map<string, bufferlist>& attrset);
+  int rmxattr(const object_t& oid, const char *name);
+
+  int operate(const object_t& oid, ::ObjectOperation *o, ceph::real_time *pmtime, int flags=0);
+  int operate_read(const object_t& oid, ::ObjectOperation *o, bufferlist *pbl, int flags=0);
+  int aio_operate(const object_t& oid, ::ObjectOperation *o,
+		  AioCompletionImpl *c, const SnapContext& snap_context,
+		  int flags, const blkin_trace_info *trace_info = nullptr);
+  int aio_operate_read(const object_t& oid, ::ObjectOperation *o,
+		       AioCompletionImpl *c, int flags, bufferlist *pbl, const blkin_trace_info *trace_info = nullptr);
+
+  struct C_aio_stat_Ack : public Context {
+    librados::AioCompletionImpl *c;
+    time_t *pmtime;
+    ceph::real_time mtime;
+    C_aio_stat_Ack(AioCompletionImpl *_c, time_t *pm);
+    void finish(int r) override;
+  };
+
+  struct C_aio_stat2_Ack : public Context {
+    librados::AioCompletionImpl *c;
+    struct timespec *pts;
+    ceph::real_time mtime;
+    C_aio_stat2_Ack(AioCompletionImpl *_c, struct timespec *pts);
+    void finish(int r) override;
+  };
+
+  struct C_aio_Complete : public Context {
+#if defined(WITH_LTTNG) && defined(WITH_EVENTTRACE)
+    object_t oid;
+#endif
+    AioCompletionImpl *c;
+    explicit C_aio_Complete(AioCompletionImpl *_c);
+    void finish(int r) override;
+  };
+
+  int aio_read(const object_t oid, AioCompletionImpl *c,
+	       bufferlist *pbl, size_t len, uint64_t off, uint64_t snapid,
+	       const blkin_trace_info *info = nullptr);
+  int aio_read(object_t oid, AioCompletionImpl *c,
+	       char *buf, size_t len, uint64_t off, uint64_t snapid,
+	       const blkin_trace_info *info = nullptr);
+  int aio_sparse_read(const object_t oid, AioCompletionImpl *c,
+		      std::map<uint64_t,uint64_t> *m, bufferlist *data_bl,
+		      size_t len, uint64_t off, uint64_t snapid);
+  int aio_cmpext(const object_t& oid, AioCompletionImpl *c, uint64_t off,
+		      bufferlist& cmp_bl);
+  int aio_cmpext(const object_t& oid, AioCompletionImpl *c,
+		      const char *cmp_buf, size_t cmp_len, uint64_t off);
+  int aio_write(const object_t &oid, AioCompletionImpl *c,
+		const bufferlist& bl, size_t len, uint64_t off,
+		const blkin_trace_info *info = nullptr);
+  int aio_append(const object_t &oid, AioCompletionImpl *c,
+		 const bufferlist& bl, size_t len);
+  int aio_write_full(const object_t &oid, AioCompletionImpl *c,
+		     const bufferlist& bl);
+  int aio_writesame(const object_t &oid, AioCompletionImpl *c,
+		    const bufferlist& bl, size_t write_len, uint64_t off);
+  int aio_remove(const object_t &oid, AioCompletionImpl *c, int flags=0);
+  int aio_exec(const object_t& oid, AioCompletionImpl *c, const char *cls,
+	       const char *method, bufferlist& inbl, bufferlist *outbl);
+  int aio_exec(const object_t& oid, AioCompletionImpl *c, const char *cls,
+	       const char *method, bufferlist& inbl, char *buf, size_t out_len);
+  int aio_stat(const object_t& oid, AioCompletionImpl *c, uint64_t *psize, time_t *pmtime);
+  int aio_stat2(const object_t& oid, AioCompletionImpl *c, uint64_t *psize, struct timespec *pts);
+  int aio_getxattr(const object_t& oid, AioCompletionImpl *c,
+		   const char *name, bufferlist& bl);
+  int aio_setxattr(const object_t& oid, AioCompletionImpl *c,
+		   const char *name, bufferlist& bl);
+  int aio_getxattrs(const object_t& oid, AioCompletionImpl *c,
+		    map<string, bufferlist>& attrset);
+  int aio_rmxattr(const object_t& oid, AioCompletionImpl *c,
+		  const char *name);
+  int aio_cancel(AioCompletionImpl *c);
+
+  int pool_change_auid(unsigned long long auid);
+  int pool_change_auid_async(unsigned long long auid, PoolAsyncCompletionImpl *c);
+
+  int hit_set_list(uint32_t hash, AioCompletionImpl *c,
+		   std::list< std::pair<time_t, time_t> > *pls);
+  int hit_set_get(uint32_t hash, AioCompletionImpl *c, time_t stamp,
+		  bufferlist *pbl);
+
+  int get_inconsistent_objects(const pg_t& pg,
+			       const librados::object_id_t& start_after,
+			       uint64_t max_to_get,
+			       AioCompletionImpl *c,
+			       std::vector<inconsistent_obj_t>* objects,
+			       uint32_t* interval);
+
+  int get_inconsistent_snapsets(const pg_t& pg,
+				const librados::object_id_t& start_after,
+				uint64_t max_to_get,
+				AioCompletionImpl *c,
+				std::vector<inconsistent_snapset_t>* snapsets,
+				uint32_t* interval);
+
+  void set_sync_op_version(version_t ver);
+  int watch(const object_t& oid, uint64_t *cookie, librados::WatchCtx *ctx,
+	    librados::WatchCtx2 *ctx2, bool internal = false);
+  int watch(const object_t& oid, uint64_t *cookie, librados::WatchCtx *ctx,
+	    librados::WatchCtx2 *ctx2, uint32_t timeout, bool internal = false);
+  int aio_watch(const object_t& oid, AioCompletionImpl *c, uint64_t *cookie,
+                librados::WatchCtx *ctx, librados::WatchCtx2 *ctx2,
+                bool internal = false);
+  int aio_watch(const object_t& oid, AioCompletionImpl *c, uint64_t *cookie,
+                librados::WatchCtx *ctx, librados::WatchCtx2 *ctx2,
+                uint32_t timeout, bool internal = false);
+  int watch_check(uint64_t cookie);
+  int unwatch(uint64_t cookie);
+  int aio_unwatch(uint64_t cookie, AioCompletionImpl *c);
+  int notify(const object_t& oid, bufferlist& bl, uint64_t timeout_ms,
+	     bufferlist *preplybl, char **preply_buf, size_t *preply_buf_len);
+  int notify_ack(const object_t& oid, uint64_t notify_id, uint64_t cookie,
+		 bufferlist& bl);
+  int aio_notify(const object_t& oid, AioCompletionImpl *c, bufferlist& bl,
+                 uint64_t timeout_ms, bufferlist *preplybl, char **preply_buf,
+                 size_t *preply_buf_len);
+
+  int set_alloc_hint(const object_t& oid,
+                     uint64_t expected_object_size,
+                     uint64_t expected_write_size,
+		     uint32_t flags);
+
+  version_t last_version();
+  void set_assert_version(uint64_t ver);
+  void set_notify_timeout(uint32_t timeout);
+
+  int cache_pin(const object_t& oid);
+  int cache_unpin(const object_t& oid);
+
+  int application_enable(const std::string& app_name, bool force);
+  void application_enable_async(const std::string& app_name, bool force,
+                                PoolAsyncCompletionImpl *c);
+  int application_list(std::set<std::string> *app_names);
+  int application_metadata_get(const std::string& app_name,
+                               const std::string &key,
+                               std::string* value);
+  int application_metadata_set(const std::string& app_name,
+                               const std::string &key,
+                               const std::string& value);
+  int application_metadata_remove(const std::string& app_name,
+                                  const std::string &key);
+  int application_metadata_list(const std::string& app_name,
+                                std::map<std::string, std::string> *values);
+
+};
+
+#endif