diff options
Diffstat (limited to 'src/osd/objclass.cc')
-rw-r--r-- | src/osd/objclass.cc | 782 |
1 files changed, 782 insertions, 0 deletions
diff --git a/src/osd/objclass.cc b/src/osd/objclass.cc new file mode 100644 index 000000000..af6d76efa --- /dev/null +++ b/src/osd/objclass.cc @@ -0,0 +1,782 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include <cstdarg> +#include <boost/container/small_vector.hpp> +#include "common/ceph_context.h" +#include "common/ceph_releases.h" +#include "common/config.h" +#include "common/debug.h" + +#include "objclass/objclass.h" +#include "osd/PrimaryLogPG.h" + +#include "osd/ClassHandler.h" + +#include "auth/Crypto.h" +#include "common/armor.h" + +#define dout_context ClassHandler::get_instance().cct + +using std::map; +using std::set; +using std::string; +using std::vector; + +using ceph::bufferlist; +using ceph::decode; +using ceph::encode; +using ceph::real_time; + +static constexpr int dout_subsys = ceph_subsys_objclass; + + +int cls_call(cls_method_context_t hctx, const char *cls, const char *method, + char *indata, int datalen, char **outdata, int *outdatalen) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + bufferlist idata; + vector<OSDOp> nops(1); + OSDOp& op = nops[0]; + int r; + + op.op.op = CEPH_OSD_OP_CALL; + op.op.cls.class_len = strlen(cls); + op.op.cls.method_len = strlen(method); + op.op.cls.indata_len = datalen; + op.indata.append(cls, op.op.cls.class_len); + op.indata.append(method, op.op.cls.method_len); + op.indata.append(indata, datalen); + r = (*pctx)->pg->do_osd_ops(*pctx, nops); + if (r < 0) + return r; + + *outdata = (char *)malloc(op.outdata.length()); + if (!*outdata) + return -ENOMEM; + memcpy(*outdata, op.outdata.c_str(), op.outdata.length()); + *outdatalen = op.outdata.length(); + + return r; +} + +int cls_getxattr(cls_method_context_t hctx, const char *name, + char **outdata, int *outdatalen) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> nops(1); + OSDOp& op = nops[0]; + int r; + + op.op.op = CEPH_OSD_OP_GETXATTR; + op.op.xattr.name_len = strlen(name); + op.indata.append(name, op.op.xattr.name_len); + r = (*pctx)->pg->do_osd_ops(*pctx, nops); + if (r < 0) + return r; + + *outdata = (char *)malloc(op.outdata.length()); + if (!*outdata) + return -ENOMEM; + memcpy(*outdata, op.outdata.c_str(), op.outdata.length()); + *outdatalen = op.outdata.length(); + + return r; +} + +int cls_setxattr(cls_method_context_t hctx, const char *name, + const char *value, int val_len) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> nops(1); + OSDOp& op = nops[0]; + int r; + + op.op.op = CEPH_OSD_OP_SETXATTR; + op.op.xattr.name_len = strlen(name); + op.op.xattr.value_len = val_len; + op.indata.append(name, op.op.xattr.name_len); + op.indata.append(value, val_len); + r = (*pctx)->pg->do_osd_ops(*pctx, nops); + + return r; +} + +int cls_read(cls_method_context_t hctx, int ofs, int len, + char **outdata, int *outdatalen) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + ops[0].op.op = CEPH_OSD_OP_SYNC_READ; + ops[0].op.extent.offset = ofs; + ops[0].op.extent.length = len; + int r = (*pctx)->pg->do_osd_ops(*pctx, ops); + if (r < 0) + return r; + + *outdata = (char *)malloc(ops[0].outdata.length()); + if (!*outdata) + return -ENOMEM; + memcpy(*outdata, ops[0].outdata.c_str(), ops[0].outdata.length()); + *outdatalen = ops[0].outdata.length(); + + return *outdatalen; +} + +int cls_get_request_origin(cls_method_context_t hctx, entity_inst_t *origin) +{ + PrimaryLogPG::OpContext **pctx = static_cast<PrimaryLogPG::OpContext **>(hctx); + *origin = (*pctx)->op->get_req()->get_orig_source_inst(); + return 0; +} + +int cls_cxx_create(cls_method_context_t hctx, bool exclusive) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + ops[0].op.op = CEPH_OSD_OP_CREATE; + ops[0].op.flags = (exclusive ? CEPH_OSD_OP_FLAG_EXCL : 0); + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_remove(cls_method_context_t hctx) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + ops[0].op.op = CEPH_OSD_OP_DELETE; + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_stat(cls_method_context_t hctx, uint64_t *size, time_t *mtime) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + int ret; + ops[0].op.op = CEPH_OSD_OP_STAT; + ret = (*pctx)->pg->do_osd_ops(*pctx, ops); + if (ret < 0) + return ret; + auto iter = ops[0].outdata.cbegin(); + utime_t ut; + uint64_t s; + try { + decode(s, iter); + decode(ut, iter); + } catch (ceph::buffer::error& err) { + return -EIO; + } + if (size) + *size = s; + if (mtime) + *mtime = ut.sec(); + return 0; +} + +int cls_cxx_stat2(cls_method_context_t hctx, uint64_t *size, ceph::real_time *mtime) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + int ret; + ops[0].op.op = CEPH_OSD_OP_STAT; + ret = (*pctx)->pg->do_osd_ops(*pctx, ops); + if (ret < 0) + return ret; + auto iter = ops[0].outdata.cbegin(); + real_time ut; + uint64_t s; + try { + decode(s, iter); + decode(ut, iter); + } catch (ceph::buffer::error& err) { + return -EIO; + } + if (size) + *size = s; + if (mtime) + *mtime = ut; + return 0; +} + +int cls_cxx_read2(cls_method_context_t hctx, int ofs, int len, + bufferlist *outbl, uint32_t op_flags) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + int ret; + ops[0].op.op = CEPH_OSD_OP_SYNC_READ; + ops[0].op.extent.offset = ofs; + ops[0].op.extent.length = len; + ops[0].op.flags = op_flags; + ret = (*pctx)->pg->do_osd_ops(*pctx, ops); + if (ret < 0) + return ret; + *outbl = std::move(ops[0].outdata); + return outbl->length(); +} + +int cls_cxx_write2(cls_method_context_t hctx, int ofs, int len, + bufferlist *inbl, uint32_t op_flags) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + ops[0].op.op = CEPH_OSD_OP_WRITE; + ops[0].op.extent.offset = ofs; + ops[0].op.extent.length = len; + ops[0].op.flags = op_flags; + ops[0].indata = *inbl; + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_write_full(cls_method_context_t hctx, bufferlist *inbl) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + ops[0].op.op = CEPH_OSD_OP_WRITEFULL; + ops[0].op.extent.offset = 0; + ops[0].op.extent.length = inbl->length(); + ops[0].indata = *inbl; + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_replace(cls_method_context_t hctx, int ofs, int len, bufferlist *inbl) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(2); + ops[0].op.op = CEPH_OSD_OP_TRUNCATE; + ops[0].op.extent.offset = 0; + ops[0].op.extent.length = 0; + ops[1].op.op = CEPH_OSD_OP_WRITE; + ops[1].op.extent.offset = ofs; + ops[1].op.extent.length = len; + ops[1].indata = *inbl; + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_truncate(cls_method_context_t hctx, int ofs) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + ops[0].op.op = CEPH_OSD_OP_TRUNCATE; + ops[0].op.extent.offset = ofs; + ops[0].op.extent.length = 0; + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_write_zero(cls_method_context_t hctx, int ofs, int len) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + ops[0].op.op = CEPH_OSD_OP_ZERO; + ops[0].op.extent.offset = ofs; + ops[0].op.extent.length = len; + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_getxattr(cls_method_context_t hctx, const char *name, + bufferlist *outbl) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> nops(1); + OSDOp& op = nops[0]; + int r; + + op.op.op = CEPH_OSD_OP_GETXATTR; + op.op.xattr.name_len = strlen(name); + op.indata.append(name, op.op.xattr.name_len); + r = (*pctx)->pg->do_osd_ops(*pctx, nops); + if (r < 0) + return r; + + *outbl = std::move(op.outdata); + return outbl->length(); +} + +int cls_cxx_getxattrs(cls_method_context_t hctx, map<string, bufferlist> *attrset) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> nops(1); + OSDOp& op = nops[0]; + int r; + + op.op.op = CEPH_OSD_OP_GETXATTRS; + r = (*pctx)->pg->do_osd_ops(*pctx, nops); + if (r < 0) + return r; + + auto iter = op.outdata.cbegin(); + try { + decode(*attrset, iter); + } catch (ceph::buffer::error& err) { + return -EIO; + } + return 0; +} + +int cls_cxx_setxattr(cls_method_context_t hctx, const char *name, + bufferlist *inbl) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> nops(1); + OSDOp& op = nops[0]; + int r; + + op.op.op = CEPH_OSD_OP_SETXATTR; + op.op.xattr.name_len = strlen(name); + op.op.xattr.value_len = inbl->length(); + op.indata.append(name, op.op.xattr.name_len); + op.indata.append(*inbl); + r = (*pctx)->pg->do_osd_ops(*pctx, nops); + + return r; +} + +int cls_cxx_snap_revert(cls_method_context_t hctx, snapid_t snapid) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + ops[0].op.op = CEPH_OSD_OP_ROLLBACK; + ops[0].op.snap.snapid = snapid; + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_map_get_all_vals(cls_method_context_t hctx, map<string, bufferlist>* vals, + bool *more) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + int ret; + + string start_after; + string filter_prefix; + uint64_t max = (uint64_t)-1; + + encode(start_after, op.indata); + encode(max, op.indata); + encode(filter_prefix, op.indata); + + op.op.op = CEPH_OSD_OP_OMAPGETVALS; + + ret = (*pctx)->pg->do_osd_ops(*pctx, ops); + if (ret < 0) + return ret; + + auto iter = op.outdata.cbegin(); + try { + decode(*vals, iter); + decode(*more, iter); + } catch (ceph::buffer::error& err) { + return -EIO; + } + return vals->size(); +} + +int cls_cxx_map_get_keys(cls_method_context_t hctx, const string &start_obj, + uint64_t max_to_get, set<string> *keys, + bool *more) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + int ret; + + encode(start_obj, op.indata); + encode(max_to_get, op.indata); + + op.op.op = CEPH_OSD_OP_OMAPGETKEYS; + + ret = (*pctx)->pg->do_osd_ops(*pctx, ops); + if (ret < 0) + return ret; + + auto iter = op.outdata.cbegin(); + try { + decode(*keys, iter); + decode(*more, iter); + } catch (ceph::buffer::error& err) { + return -EIO; + } + return keys->size(); +} + +int cls_cxx_map_get_vals(cls_method_context_t hctx, const string &start_obj, + const string &filter_prefix, uint64_t max_to_get, + map<string, bufferlist> *vals, bool *more) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + int ret; + + encode(start_obj, op.indata); + encode(max_to_get, op.indata); + encode(filter_prefix, op.indata); + + op.op.op = CEPH_OSD_OP_OMAPGETVALS; + + ret = (*pctx)->pg->do_osd_ops(*pctx, ops); + if (ret < 0) + return ret; + + auto iter = op.outdata.cbegin(); + try { + decode(*vals, iter); + decode(*more, iter); + } catch (ceph::buffer::error& err) { + return -EIO; + } + return vals->size(); +} + +int cls_cxx_map_read_header(cls_method_context_t hctx, bufferlist *outbl) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + int ret; + op.op.op = CEPH_OSD_OP_OMAPGETHEADER; + ret = (*pctx)->pg->do_osd_ops(*pctx, ops); + if (ret < 0) + return ret; + + *outbl = std::move(op.outdata); + + return 0; +} + +int cls_cxx_map_get_val(cls_method_context_t hctx, const string &key, + bufferlist *outbl) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + int ret; + + set<string> k; + k.insert(key); + encode(k, op.indata); + + op.op.op = CEPH_OSD_OP_OMAPGETVALSBYKEYS; + ret = (*pctx)->pg->do_osd_ops(*pctx, ops); + if (ret < 0) + return ret; + + auto iter = op.outdata.cbegin(); + try { + map<string, bufferlist> m; + + decode(m, iter); + map<string, bufferlist>::iterator iter = m.begin(); + if (iter == m.end()) + return -ENOENT; + + *outbl = iter->second; + } catch (ceph::buffer::error& e) { + return -EIO; + } + return 0; +} + +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) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + int ret; + + encode(keys, op.indata); + + op.op.op = CEPH_OSD_OP_OMAPGETVALSBYKEYS; + ret = (*pctx)->pg->do_osd_ops(*pctx, ops); + if (ret < 0) + return ret; + + auto iter = op.outdata.cbegin(); + try { + decode(*map, iter); + } catch (buffer::error& e) { + return -EIO; + } + return 0; +} + +int cls_cxx_map_set_val(cls_method_context_t hctx, const string &key, + bufferlist *inbl) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + bufferlist& update_bl = op.indata; + map<string, bufferlist> m; + m[key] = *inbl; + encode(m, update_bl); + + op.op.op = CEPH_OSD_OP_OMAPSETVALS; + + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_map_set_vals(cls_method_context_t hctx, + const std::map<string, bufferlist> *map) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + bufferlist& update_bl = op.indata; + encode(*map, update_bl); + + op.op.op = CEPH_OSD_OP_OMAPSETVALS; + + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_map_clear(cls_method_context_t hctx) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + + op.op.op = CEPH_OSD_OP_OMAPCLEAR; + + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_map_write_header(cls_method_context_t hctx, bufferlist *inbl) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + op.indata = std::move(*inbl); + + op.op.op = CEPH_OSD_OP_OMAPSETHEADER; + + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_map_remove_range(cls_method_context_t hctx, + const std::string& key_begin, + const std::string& key_end) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + bufferlist& update_bl = op.indata; + + ::encode(key_begin, update_bl); + ::encode(key_end, update_bl); + + op.op.op = CEPH_OSD_OP_OMAPRMKEYRANGE; + + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_map_remove_key(cls_method_context_t hctx, const string &key) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> ops(1); + OSDOp& op = ops[0]; + bufferlist& update_bl = op.indata; + set<string> to_rm; + to_rm.insert(key); + + encode(to_rm, update_bl); + + op.op.op = CEPH_OSD_OP_OMAPRMKEYS; + + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_cxx_list_watchers(cls_method_context_t hctx, + obj_list_watch_response_t *watchers) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + vector<OSDOp> nops(1); + OSDOp& op = nops[0]; + int r; + + op.op.op = CEPH_OSD_OP_LIST_WATCHERS; + r = (*pctx)->pg->do_osd_ops(*pctx, nops); + if (r < 0) + return r; + + auto iter = op.outdata.cbegin(); + try { + decode(*watchers, iter); + } catch (ceph::buffer::error& err) { + return -EIO; + } + return 0; +} + +uint64_t cls_current_version(cls_method_context_t hctx) +{ + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + + return ctx->pg->get_last_user_version(); +} + +int cls_current_subop_num(cls_method_context_t hctx) +{ + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + + return ctx->processed_subop_count; +} + +uint64_t cls_get_features(cls_method_context_t hctx) +{ + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + return ctx->pg->get_osdmap()->get_up_osd_features(); +} + +uint64_t cls_get_client_features(cls_method_context_t hctx) +{ + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + return ctx->op->get_req()->get_connection()->get_features(); +} + +ceph_release_t cls_get_required_osd_release(cls_method_context_t hctx) +{ + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + return ctx->pg->get_osdmap()->require_osd_release; +} + +ceph_release_t cls_get_min_compatible_client(cls_method_context_t hctx) +{ + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + return ctx->pg->get_osdmap()->get_require_min_compat_client(); +} + +const ConfigProxy& cls_get_config(cls_method_context_t hctx) +{ + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + return ctx->pg->get_cct()->_conf; +} + +const object_info_t& cls_get_object_info(cls_method_context_t hctx) +{ + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + return ctx->obs->oi; +} + +int cls_get_snapset_seq(cls_method_context_t hctx, uint64_t *snap_seq) { + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + if (!ctx->new_obs.exists || (ctx->new_obs.oi.is_whiteout() && + ctx->obc->ssc->snapset.clones.empty())) { + return -ENOENT; + } + *snap_seq = ctx->obc->ssc->snapset.seq; + return 0; +} + +int cls_cxx_chunk_write_and_set(cls_method_context_t hctx, int ofs, int len, + bufferlist *write_inbl, uint32_t op_flags, + bufferlist *set_inbl, int set_len) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext **)hctx; + char cname[] = "cas"; + char method[] = "chunk_set"; + + vector<OSDOp> ops(2); + ops[0].op.op = CEPH_OSD_OP_WRITE; + ops[0].op.extent.offset = ofs; + ops[0].op.extent.length = len; + ops[0].op.flags = op_flags; + ops[0].indata = *write_inbl; + + ops[1].op.op = CEPH_OSD_OP_CALL; + ops[1].op.cls.class_len = strlen(cname); + ops[1].op.cls.method_len = strlen(method); + ops[1].op.cls.indata_len = set_len; + ops[1].indata.append(cname, ops[1].op.cls.class_len); + ops[1].indata.append(method, ops[1].op.cls.method_len); + ops[1].indata.append(*set_inbl); + + return (*pctx)->pg->do_osd_ops(*pctx, ops); +} + +int cls_get_manifest_ref_count(cls_method_context_t hctx, string fp_oid) +{ + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + return ctx->pg->get_manifest_ref_count(ctx->obc, fp_oid, ctx->op); +} + +uint64_t cls_get_osd_min_alloc_size(cls_method_context_t hctx) { + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + + return ctx->pg->get_min_alloc_size(); +} + +uint64_t cls_get_pool_stripe_width(cls_method_context_t hctx) +{ + PrimaryLogPG::OpContext *ctx = *(PrimaryLogPG::OpContext **)hctx; + + return ctx->pg->get_pool().stripe_width; +} + +struct GatherFinisher : public PrimaryLogPG::OpFinisher { + std::map<std::string, bufferlist> src_obj_buffs; + OSDOp *osd_op; + GatherFinisher(OSDOp *osd_op_) : osd_op(osd_op_) {} + int execute() override { + return 0; + } +}; + +int cls_cxx_gather(cls_method_context_t hctx, const std::set<std::string> &src_objs, const std::string& pool, + const char *cls, const char *method, bufferlist& inbl) +{ + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext**)hctx; + int subop_num = (*pctx)->current_osd_subop_num; + OSDOp *osd_op = &(*(*pctx)->ops)[subop_num]; + auto [iter, inserted] = (*pctx)->op_finishers.emplace(std::make_pair(subop_num, std::make_unique<GatherFinisher>(osd_op))); + assert(inserted); + auto &gather = *static_cast<GatherFinisher*>(iter->second.get()); + for (const auto &obj : src_objs) { + gather.src_obj_buffs[obj] = bufferlist(); + } + return (*pctx)->pg->start_cls_gather(*pctx, &gather.src_obj_buffs, pool, cls, method, inbl); +} + +int cls_cxx_get_gathered_data(cls_method_context_t hctx, std::map<std::string, bufferlist> *results) +{ + assert(results); + PrimaryLogPG::OpContext **pctx = (PrimaryLogPG::OpContext**)hctx; + PrimaryLogPG::OpFinisher* op_finisher = nullptr; + int r = 0; + { + auto op_finisher_it = (*pctx)->op_finishers.find((*pctx)->current_osd_subop_num); + if (op_finisher_it != (*pctx)->op_finishers.end()) { + op_finisher = op_finisher_it->second.get(); + } + } + if (op_finisher == nullptr) { + results->clear(); + } else { + GatherFinisher *gf = (GatherFinisher*)op_finisher; + *results = std::move(gf->src_obj_buffs); + r = gf->osd_op->rval; + } + return r; +} + +// although at first glance the implementation looks the same as in +// crimson-osd, it's different b/c of how the dout macro expands. +int cls_log(int level, const char *format, ...) +{ + size_t size = 256; + va_list ap; + while (1) { + boost::container::small_vector<char, 256> buf(size); + va_start(ap, format); + int n = vsnprintf(buf.data(), size, format, ap); + va_end(ap); +#define MAX_SIZE 8196UL + if ((n > -1 && static_cast<size_t>(n) < size) || size > MAX_SIZE) { + dout(ceph::dout::need_dynamic(level)) << buf.data() << dendl; + return n; + } + size *= 2; + } +} |