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-rw-r--r--src/libradosstriper/libradosstriper.cc669
1 files changed, 669 insertions, 0 deletions
diff --git a/src/libradosstriper/libradosstriper.cc b/src/libradosstriper/libradosstriper.cc
new file mode 100644
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+++ b/src/libradosstriper/libradosstriper.cc
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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) 2014 Sebastien Ponce <sebastien.ponce@cern.ch>
+ *
+ * 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.
+ *
+ */
+
+#include <errno.h>
+
+#include "libradosstriper/RadosStriperImpl.h"
+#include "libradosstriper/MultiAioCompletionImpl.h"
+
+#include "include/types.h"
+
+#include "include/radosstriper/libradosstriper.h"
+#include "include/radosstriper/libradosstriper.hpp"
+#include "librados/RadosXattrIter.h"
+
+/*
+ * This file implements the rados striper API.
+ * There are 2 flavours of it :
+ * - the C API, found in include/rados/libradosstriper.h
+ * - the C++ API, found in include/rados/libradosstriper.hpp
+ */
+
+///////////////////////////// C++ API //////////////////////////////
+
+libradosstriper::MultiAioCompletion::~MultiAioCompletion()
+{
+ ceph_assert(pc->ref == 1);
+ pc->put();
+}
+
+int libradosstriper::MultiAioCompletion::set_complete_callback
+(void *cb_arg, rados_callback_t cb)
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ return c->set_complete_callback(cb_arg, cb);
+}
+
+int libradosstriper::MultiAioCompletion::set_safe_callback
+(void *cb_arg, rados_callback_t cb)
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ return c->set_safe_callback(cb_arg, cb);
+}
+
+void libradosstriper::MultiAioCompletion::wait_for_complete()
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ c->wait_for_complete();
+}
+
+void libradosstriper::MultiAioCompletion::wait_for_safe()
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ c->wait_for_safe();
+}
+
+bool libradosstriper::MultiAioCompletion::is_complete()
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ return c->is_complete();
+}
+
+bool libradosstriper::MultiAioCompletion::is_safe()
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ return c->is_safe();
+}
+
+void libradosstriper::MultiAioCompletion::wait_for_complete_and_cb()
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ c->wait_for_complete_and_cb();
+}
+
+void libradosstriper::MultiAioCompletion::MultiAioCompletion::wait_for_safe_and_cb()
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ c->wait_for_safe_and_cb();
+}
+
+bool libradosstriper::MultiAioCompletion::is_complete_and_cb()
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ return c->is_complete_and_cb();
+}
+
+bool libradosstriper::MultiAioCompletion::is_safe_and_cb()
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ return c->is_safe_and_cb();
+}
+
+int libradosstriper::MultiAioCompletion::get_return_value()
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ return c->get_return_value();
+}
+
+void libradosstriper::MultiAioCompletion::release()
+{
+ MultiAioCompletionImpl *c = (MultiAioCompletionImpl *)pc;
+ c->put();
+ delete this;
+}
+
+libradosstriper::RadosStriper::RadosStriper() :
+ rados_striper_impl(0)
+{
+}
+
+void libradosstriper::RadosStriper::to_rados_striper_t(RadosStriper &striper, rados_striper_t *s)
+{
+ *s = (rados_striper_t)striper.rados_striper_impl;
+ striper.rados_striper_impl->get();
+}
+
+libradosstriper::RadosStriper::RadosStriper(const RadosStriper& rs)
+{
+ rados_striper_impl = rs.rados_striper_impl;
+ if (rados_striper_impl) {
+ rados_striper_impl->get();
+ }
+}
+
+libradosstriper::RadosStriper& libradosstriper::RadosStriper::operator=(const RadosStriper& rs)
+{
+ if (rados_striper_impl)
+ rados_striper_impl->put();
+ rados_striper_impl = rs.rados_striper_impl;
+ rados_striper_impl->get();
+ return *this;
+}
+
+libradosstriper::RadosStriper::~RadosStriper()
+{
+ if (rados_striper_impl)
+ rados_striper_impl->put();
+ rados_striper_impl = 0;
+}
+
+int libradosstriper::RadosStriper::striper_create(librados::IoCtx& ioctx,
+ RadosStriper *striper)
+{
+ try {
+ striper->rados_striper_impl = new libradosstriper::RadosStriperImpl(ioctx, ioctx.io_ctx_impl);
+ striper->rados_striper_impl->get();
+ } catch (int rc) {
+ return rc;
+ }
+ return 0;
+}
+
+int libradosstriper::RadosStriper::set_object_layout_stripe_unit
+(unsigned int stripe_unit)
+{
+ return rados_striper_impl->setObjectLayoutStripeUnit(stripe_unit);
+}
+
+int libradosstriper::RadosStriper::set_object_layout_stripe_count
+(unsigned int stripe_count)
+{
+ return rados_striper_impl->setObjectLayoutStripeCount(stripe_count);
+}
+
+int libradosstriper::RadosStriper::set_object_layout_object_size
+(unsigned int object_size)
+{
+ return rados_striper_impl->setObjectLayoutObjectSize(object_size);
+}
+
+int libradosstriper::RadosStriper::getxattr(const std::string& oid, const char *name, bufferlist& bl)
+{
+ return rados_striper_impl->getxattr(oid, name, bl);
+}
+
+int libradosstriper::RadosStriper::setxattr(const std::string& oid, const char *name, bufferlist& bl)
+{
+ return rados_striper_impl->setxattr(oid, name, bl);
+}
+
+int libradosstriper::RadosStriper::rmxattr(const std::string& oid, const char *name)
+{
+ return rados_striper_impl->rmxattr(oid, name);
+}
+
+int libradosstriper::RadosStriper::getxattrs(const std::string& oid,
+ std::map<std::string, bufferlist>& attrset)
+{
+ return rados_striper_impl->getxattrs(oid, attrset);
+}
+
+int libradosstriper::RadosStriper::write(const std::string& soid,
+ const bufferlist& bl,
+ size_t len,
+ uint64_t off)
+{
+ return rados_striper_impl->write(soid, bl, len, off);
+}
+
+int libradosstriper::RadosStriper::write_full(const std::string& soid,
+ const bufferlist& bl)
+{
+ return rados_striper_impl->write_full(soid, bl);
+}
+
+int libradosstriper::RadosStriper::append(const std::string& soid,
+ const bufferlist& bl,
+ size_t len)
+{
+ return rados_striper_impl->append(soid, bl, len);
+}
+
+int libradosstriper::RadosStriper::aio_write(const std::string& soid,
+ librados::AioCompletion *c,
+ const bufferlist& bl,
+ size_t len,
+ uint64_t off)
+{
+ return rados_striper_impl->aio_write(soid, c->pc, bl, len, off);
+}
+
+int libradosstriper::RadosStriper::aio_write_full(const std::string& soid,
+ librados::AioCompletion *c,
+ const bufferlist& bl)
+{
+ return rados_striper_impl->aio_write_full(soid, c->pc, bl);
+}
+
+int libradosstriper::RadosStriper::aio_append(const std::string& soid,
+ librados::AioCompletion *c,
+ const bufferlist& bl,
+ size_t len)
+{
+ return rados_striper_impl->aio_append(soid, c->pc, bl, len);
+}
+
+int libradosstriper::RadosStriper::read(const std::string& soid,
+ bufferlist* bl,
+ size_t len,
+ uint64_t off)
+{
+ bl->clear();
+ bl->push_back(buffer::create(len));
+ return rados_striper_impl->read(soid, bl, len, off);
+}
+
+int libradosstriper::RadosStriper::aio_read(const std::string& soid,
+ librados::AioCompletion *c,
+ bufferlist* bl,
+ size_t len,
+ uint64_t off)
+{
+ bl->clear();
+ bl->push_back(buffer::create(len));
+ return rados_striper_impl->aio_read(soid, c->pc, bl, len, off);
+}
+
+int libradosstriper::RadosStriper::stat(const std::string& soid, uint64_t *psize, time_t *pmtime)
+{
+ return rados_striper_impl->stat(soid, psize, pmtime);
+}
+
+int libradosstriper::RadosStriper::aio_stat(const std::string& soid,
+ librados::AioCompletion *c,
+ uint64_t *psize,
+ time_t *pmtime)
+{
+ return rados_striper_impl->aio_stat(soid, c->pc, psize, pmtime);
+}
+
+int libradosstriper::RadosStriper::stat2(const std::string& soid, uint64_t *psize, struct timespec *pts)
+{
+ return rados_striper_impl->stat2(soid, psize, pts);
+}
+
+int libradosstriper::RadosStriper::aio_stat2(const std::string& soid,
+ librados::AioCompletion *c,
+ uint64_t *psize,
+ struct timespec *pts)
+{
+ return rados_striper_impl->aio_stat2(soid, c->pc, psize, pts);
+}
+
+int libradosstriper::RadosStriper::remove(const std::string& soid)
+{
+ return rados_striper_impl->remove(soid);
+}
+
+int libradosstriper::RadosStriper::aio_remove(const std::string& soid,
+ librados::AioCompletion *c)
+{
+ return rados_striper_impl->aio_remove(soid, c->pc);
+}
+
+int libradosstriper::RadosStriper::remove(const std::string& soid, int flags)
+{
+ return rados_striper_impl->remove(soid, flags);
+}
+
+int libradosstriper::RadosStriper::aio_remove(const std::string& soid,
+ librados::AioCompletion *c,
+ int flags)
+{
+ return rados_striper_impl->aio_remove(soid, c->pc, flags);
+}
+
+int libradosstriper::RadosStriper::trunc(const std::string& soid, uint64_t size)
+{
+ return rados_striper_impl->trunc(soid, size);
+}
+
+int libradosstriper::RadosStriper::aio_flush()
+{
+ return rados_striper_impl->aio_flush();
+}
+
+libradosstriper::MultiAioCompletion* libradosstriper::RadosStriper::multi_aio_create_completion()
+{
+ MultiAioCompletionImpl *c = new MultiAioCompletionImpl;
+ return new MultiAioCompletion(c);
+}
+
+libradosstriper::MultiAioCompletion*
+libradosstriper::RadosStriper::multi_aio_create_completion(void *cb_arg,
+ librados::callback_t cb_complete,
+ librados::callback_t cb_safe)
+{
+ MultiAioCompletionImpl *c;
+ int r = rados_striper_multi_aio_create_completion(cb_arg, cb_complete, cb_safe, (void**)&c);
+ ceph_assert(r == 0);
+ return new MultiAioCompletion(c);
+}
+
+///////////////////////////// C API //////////////////////////////
+
+extern "C" int rados_striper_create(rados_ioctx_t ioctx,
+ rados_striper_t *striper)
+{
+ librados::IoCtx ctx;
+ librados::IoCtx::from_rados_ioctx_t(ioctx, ctx);
+ libradosstriper::RadosStriper striperp;
+ int rc = libradosstriper::RadosStriper::striper_create(ctx, &striperp);
+ if (0 == rc)
+ libradosstriper::RadosStriper::to_rados_striper_t(striperp, striper);
+ return rc;
+}
+
+extern "C" void rados_striper_destroy(rados_striper_t striper)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ impl->put();
+}
+
+extern "C" int rados_striper_set_object_layout_stripe_unit(rados_striper_t striper,
+ unsigned int stripe_unit)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ return impl->setObjectLayoutStripeUnit(stripe_unit);
+}
+
+extern "C" int rados_striper_set_object_layout_stripe_count(rados_striper_t striper,
+ unsigned int stripe_count)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ return impl->setObjectLayoutStripeCount(stripe_count);
+}
+
+extern "C" int rados_striper_set_object_layout_object_size(rados_striper_t striper,
+ unsigned int object_size)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ return impl->setObjectLayoutObjectSize(object_size);
+}
+
+extern "C" int rados_striper_write(rados_striper_t striper,
+ const char *soid,
+ const char *buf,
+ size_t len,
+ uint64_t off)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ bufferlist bl;
+ bl.append(buf, len);
+ return impl->write(soid, bl, len, off);
+}
+
+extern "C" int rados_striper_write_full(rados_striper_t striper,
+ const char *soid,
+ const char *buf,
+ size_t len)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ bufferlist bl;
+ bl.append(buf, len);
+ return impl->write_full(soid, bl);
+}
+
+
+extern "C" int rados_striper_append(rados_striper_t striper,
+ const char *soid,
+ const char *buf,
+ size_t len)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ bufferlist bl;
+ bl.append(buf, len);
+ return impl->append(soid, bl, len);
+}
+
+extern "C" int rados_striper_read(rados_striper_t striper,
+ const char *soid,
+ char *buf,
+ size_t len,
+ uint64_t off)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ bufferlist bl;
+ bufferptr bp = buffer::create_static(len, buf);
+ bl.push_back(bp);
+ int ret = impl->read(soid, &bl, len, off);
+ if (ret >= 0) {
+ if (bl.length() > len)
+ return -ERANGE;
+ if (!bl.is_provided_buffer(buf))
+ bl.copy(0, bl.length(), buf);
+ ret = bl.length(); // hrm :/
+ }
+ return ret;
+}
+
+extern "C" int rados_striper_remove(rados_striper_t striper, const char* soid)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ return impl->remove(soid);
+}
+
+extern "C" int rados_striper_trunc(rados_striper_t striper, const char* soid, uint64_t size)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ return impl->trunc(soid, size);
+}
+
+extern "C" int rados_striper_getxattr(rados_striper_t striper,
+ const char *oid,
+ const char *name,
+ char *buf,
+ size_t len)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ object_t obj(oid);
+ bufferlist bl;
+ int ret = impl->getxattr(oid, name, bl);
+ if (ret >= 0) {
+ if (bl.length() > len)
+ return -ERANGE;
+ bl.copy(0, bl.length(), buf);
+ ret = bl.length();
+ }
+ return ret;
+}
+
+extern "C" int rados_striper_setxattr(rados_striper_t striper,
+ const char *oid,
+ const char *name,
+ const char *buf,
+ size_t len)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ object_t obj(oid);
+ bufferlist bl;
+ bl.append(buf, len);
+ return impl->setxattr(obj, name, bl);
+}
+
+extern "C" int rados_striper_rmxattr(rados_striper_t striper,
+ const char *oid,
+ const char *name)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ object_t obj(oid);
+ return impl->rmxattr(obj, name);
+}
+
+extern "C" int rados_striper_getxattrs(rados_striper_t striper,
+ const char *oid,
+ rados_xattrs_iter_t *iter)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ object_t obj(oid);
+ librados::RadosXattrsIter *it = new librados::RadosXattrsIter();
+ if (!it)
+ return -ENOMEM;
+ int ret = impl->getxattrs(obj, it->attrset);
+ if (ret) {
+ delete it;
+ return ret;
+ }
+ it->i = it->attrset.begin();
+ *iter = it;
+ return 0;
+}
+
+extern "C" int rados_striper_getxattrs_next(rados_xattrs_iter_t iter,
+ const char **name,
+ const char **val,
+ size_t *len)
+{
+ return rados_getxattrs_next(iter, name, val, len);
+}
+
+extern "C" void rados_striper_getxattrs_end(rados_xattrs_iter_t iter)
+{
+ return rados_getxattrs_end(iter);
+}
+
+extern "C" int rados_striper_stat(rados_striper_t striper,
+ const char* soid,
+ uint64_t *psize,
+ time_t *pmtime)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ return impl->stat(soid, psize, pmtime);
+}
+
+extern "C" int rados_striper_multi_aio_create_completion(void *cb_arg,
+ rados_callback_t cb_complete,
+ rados_callback_t cb_safe,
+ rados_striper_multi_completion_t *pc)
+{
+ libradosstriper::MultiAioCompletionImpl *c = new libradosstriper::MultiAioCompletionImpl;
+ if (cb_complete)
+ c->set_complete_callback(cb_arg, cb_complete);
+ if (cb_safe)
+ c->set_safe_callback(cb_arg, cb_safe);
+ *pc = c;
+ return 0;
+}
+
+extern "C" void rados_striper_multi_aio_wait_for_complete(rados_striper_multi_completion_t c)
+{
+ ((libradosstriper::MultiAioCompletionImpl*)c)->wait_for_complete();
+}
+
+extern "C" void rados_striper_multi_aio_wait_for_safe(rados_striper_multi_completion_t c)
+{
+ ((libradosstriper::MultiAioCompletionImpl*)c)->wait_for_safe();
+}
+
+extern "C" int rados_striper_multi_aio_is_complete(rados_striper_multi_completion_t c)
+{
+ return ((libradosstriper::MultiAioCompletionImpl*)c)->is_complete();
+}
+
+extern "C" int rados_striper_multi_aio_is_safe(rados_striper_multi_completion_t c)
+{
+ return ((libradosstriper::MultiAioCompletionImpl*)c)->is_safe();
+}
+
+extern "C" void rados_striper_multi_aio_wait_for_complete_and_cb(rados_striper_multi_completion_t c)
+{
+ ((libradosstriper::MultiAioCompletionImpl*)c)->wait_for_complete_and_cb();
+}
+
+extern "C" void rados_striper_multi_aio_wait_for_safe_and_cb(rados_striper_multi_completion_t c)
+{
+ ((libradosstriper::MultiAioCompletionImpl*)c)->wait_for_safe_and_cb();
+}
+
+extern "C" int rados_striper_multi_aio_is_complete_and_cb(rados_striper_multi_completion_t c)
+{
+ return ((libradosstriper::MultiAioCompletionImpl*)c)->is_complete_and_cb();
+}
+
+extern "C" int rados_striper_multi_aio_is_safe_and_cb(rados_striper_multi_completion_t c)
+{
+ return ((libradosstriper::MultiAioCompletionImpl*)c)->is_safe_and_cb();
+}
+
+extern "C" int rados_striper_multi_aio_get_return_value(rados_striper_multi_completion_t c)
+{
+ return ((libradosstriper::MultiAioCompletionImpl*)c)->get_return_value();
+}
+
+extern "C" void rados_striper_multi_aio_release(rados_striper_multi_completion_t c)
+{
+ ((libradosstriper::MultiAioCompletionImpl*)c)->put();
+}
+
+extern "C" int rados_striper_aio_write(rados_striper_t striper,
+ const char* soid,
+ rados_completion_t completion,
+ const char *buf,
+ size_t len,
+ uint64_t off)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ bufferlist bl;
+ bl.append(buf, len);
+ return impl->aio_write(soid, (librados::AioCompletionImpl*)completion, bl, len, off);
+}
+
+extern "C" int rados_striper_aio_append(rados_striper_t striper,
+ const char* soid,
+ rados_completion_t completion,
+ const char *buf,
+ size_t len)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ bufferlist bl;
+ bl.append(buf, len);
+ return impl->aio_append(soid, (librados::AioCompletionImpl*)completion, bl, len);
+}
+
+extern "C" int rados_striper_aio_write_full(rados_striper_t striper,
+ const char* soid,
+ rados_completion_t completion,
+ const char *buf,
+ size_t len)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ bufferlist bl;
+ bl.append(buf, len);
+ return impl->aio_write_full(soid, (librados::AioCompletionImpl*)completion, bl);
+}
+
+extern "C" int rados_striper_aio_read(rados_striper_t striper,
+ const char *soid,
+ rados_completion_t completion,
+ char *buf,
+ size_t len,
+ uint64_t off)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ return impl->aio_read(soid, (librados::AioCompletionImpl*)completion, buf, len, off);
+}
+
+extern "C" int rados_striper_aio_remove(rados_striper_t striper,
+ const char* soid,
+ rados_completion_t completion)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ return impl->aio_remove(soid, (librados::AioCompletionImpl*)completion);
+}
+
+extern "C" void rados_striper_aio_flush(rados_striper_t striper)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ impl->aio_flush();
+}
+
+extern "C" int rados_striper_aio_stat(rados_striper_t striper,
+ const char* soid,
+ rados_completion_t completion,
+ uint64_t *psize,
+ time_t *pmtime)
+{
+ libradosstriper::RadosStriperImpl *impl = (libradosstriper::RadosStriperImpl *)striper;
+ return impl->aio_stat(soid, (librados::AioCompletionImpl*)completion, psize, pmtime);
+}