--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+
+#include "rados_backend.h"
+#include <boost/tuple/tuple.hpp>
+
+typedef boost::tuple<Context*, Context*, librados::AioCompletion*> arg_type;
+
+void on_applied(void *completion, void *_arg) {
+ arg_type *arg = static_cast<arg_type*>(_arg);
+ arg->get<1>()->complete(0);
+}
+
+void on_complete(void *completion, void *_arg) {
+ arg_type *arg = static_cast<arg_type*>(_arg);
+ arg->get<0>()->complete(0);
+ arg->get<2>()->release();
+ delete arg;
+}
+
+void RadosBackend::write(
+ const string &oid,
+ uint64_t offset,
+ const bufferlist &bl,
+ Context *on_write_applied,
+ Context *on_commit)
+{
+ librados::AioCompletion *completion = librados::Rados::aio_create_completion();
+
+
+ void *arg = static_cast<void *>(new arg_type(on_commit, on_write_applied,
+ completion));
+
+ completion->set_safe_callback(
+ arg,
+ on_complete);
+
+ completion->set_complete_callback(
+ arg,
+ on_applied);
+
+ ioctx->aio_write(oid, completion, bl, bl.length(), offset);
+}
+
+void RadosBackend::read(
+ const string &oid,
+ uint64_t offset,
+ uint64_t length,
+ bufferlist *bl,
+ Context *on_read_complete)
+{
+ librados::AioCompletion *completion = librados::Rados::aio_create_completion();
+
+
+ void *arg = static_cast<void *>(new arg_type(on_read_complete, 0,
+ completion));
+
+ completion->set_complete_callback(
+ arg,
+ on_complete);
+
+ ioctx->aio_read(oid, completion, bl, length, offset);
+}