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#include "RadosIo.h"
#include "DataGenerator.h"
using RadosIo = ceph::io_exerciser::RadosIo;
RadosIo::RadosIo(librados::Rados& rados,
boost::asio::io_context& asio,
const std::string& pool,
const std::string& oid,
uint64_t block_size,
int seed,
int threads,
ceph::mutex& lock,
ceph::condition_variable& cond) :
Model(oid, block_size),
rados(rados),
asio(asio),
om(std::make_unique<ObjectModel>(oid, block_size, seed)),
db(data_generation::DataGenerator::create_generator(
data_generation::GenerationType::HeaderedSeededRandom, *om)),
pool(pool),
threads(threads),
lock(lock),
cond(cond),
outstanding_io(0)
{
int rc;
rc = rados.ioctx_create(pool.c_str(), io);
ceph_assert(rc == 0);
allow_ec_overwrites(true);
}
RadosIo::~RadosIo()
{
}
void RadosIo::start_io()
{
std::lock_guard l(lock);
outstanding_io++;
}
void RadosIo::finish_io()
{
std::lock_guard l(lock);
ceph_assert(outstanding_io > 0);
outstanding_io--;
cond.notify_all();
}
void RadosIo::wait_for_io(int count)
{
std::unique_lock l(lock);
while (outstanding_io > count) {
cond.wait(l);
}
}
void RadosIo::allow_ec_overwrites(bool allow)
{
int rc;
bufferlist inbl, outbl;
std::string cmdstr =
"{\"prefix\": \"osd pool set\", \"pool\": \"" + pool + "\", \
\"var\": \"allow_ec_overwrites\", \"val\": \"" +
(allow ? "true" : "false") + "\"}";
rc = rados.mon_command(cmdstr, inbl, &outbl, nullptr);
ceph_assert(rc == 0);
}
RadosIo::AsyncOpInfo::AsyncOpInfo(uint64_t offset1, uint64_t length1,
uint64_t offset2, uint64_t length2,
uint64_t offset3, uint64_t length3 ) :
offset1(offset1), length1(length1),
offset2(offset2), length2(length2),
offset3(offset3), length3(length3)
{
}
bool RadosIo::readyForIoOp(IoOp &op)
{
ceph_assert(ceph_mutex_is_locked_by_me(lock)); //Must be called with lock held
if (!om->readyForIoOp(op)) {
return false;
}
switch (op.op) {
case OpType::Done:
case OpType::BARRIER:
return outstanding_io == 0;
default:
return outstanding_io < threads;
}
}
void RadosIo::applyIoOp(IoOp &op)
{
std::shared_ptr<AsyncOpInfo> op_info;
om->applyIoOp(op);
// If there are thread concurrent I/Os in flight then wait for
// at least one I/O to complete
wait_for_io(threads-1);
switch (op.op) {
case OpType::Done:
[[ fallthrough ]];
case OpType::BARRIER:
// Wait for all outstanding I/O to complete
wait_for_io(0);
break;
case OpType::CREATE:
{
start_io();
op_info = std::make_shared<AsyncOpInfo>(0, op.length1);
op_info->bl1 = db->generate_data(0, op.length1);
op_info->wop.write_full(op_info->bl1);
auto create_cb = [this] (boost::system::error_code ec,
version_t ver) {
ceph_assert(ec == boost::system::errc::success);
finish_io();
};
librados::async_operate(asio, io, oid,
&op_info->wop, 0, nullptr, create_cb);
}
break;
case OpType::REMOVE:
{
start_io();
op_info = std::make_shared<AsyncOpInfo>();
op_info->wop.remove();
auto remove_cb = [this] (boost::system::error_code ec,
version_t ver) {
ceph_assert(ec == boost::system::errc::success);
finish_io();
};
librados::async_operate(asio, io, oid,
&op_info->wop, 0, nullptr, remove_cb);
}
break;
case OpType::READ:
{
start_io();
op_info = std::make_shared<AsyncOpInfo>(op.offset1, op.length1);
op_info->rop.read(op.offset1 * block_size,
op.length1 * block_size,
&op_info->bl1, nullptr);
auto read_cb = [this, op_info] (boost::system::error_code ec,
version_t ver,
bufferlist bl) {
ceph_assert(ec == boost::system::errc::success);
db->validate(op_info->bl1, op_info->offset1, op_info->length1);
finish_io();
};
librados::async_operate(asio, io, oid,
&op_info->rop, 0, nullptr, read_cb);
num_io++;
}
break;
case OpType::READ2:
{
start_io();
op_info = std::make_shared<AsyncOpInfo>(op.offset1,
op.length1,
op.offset2,
op.length2);
op_info->rop.read(op.offset1 * block_size,
op.length1 * block_size,
&op_info->bl1, nullptr);
op_info->rop.read(op.offset2 * block_size,
op.length2 * block_size,
&op_info->bl2, nullptr);
auto read2_cb = [this, op_info] (boost::system::error_code ec,
version_t ver,
bufferlist bl) {
ceph_assert(ec == boost::system::errc::success);
db->validate(op_info->bl1, op_info->offset1, op_info->length1);
db->validate(op_info->bl2, op_info->offset2, op_info->length2);
finish_io();
};
librados::async_operate(asio, io, oid,
&op_info->rop, 0, nullptr, read2_cb);
num_io++;
}
break;
case OpType::READ3:
{
start_io();
op_info = std::make_shared<AsyncOpInfo>(op.offset1, op.length1,
op.offset2, op.length2,
op.offset3, op.length3);
op_info->rop.read(op.offset1 * block_size,
op.length1 * block_size,
&op_info->bl1, nullptr);
op_info->rop.read(op.offset2 * block_size,
op.length2 * block_size,
&op_info->bl2, nullptr);
op_info->rop.read(op.offset3 * block_size,
op.length3 * block_size,
&op_info->bl3, nullptr);
auto read3_cb = [this, op_info] (boost::system::error_code ec,
version_t ver,
bufferlist bl) {
ceph_assert(ec == boost::system::errc::success);
db->validate(op_info->bl1, op_info->offset1, op_info->length1);
db->validate(op_info->bl2, op_info->offset2, op_info->length2);
db->validate(op_info->bl3, op_info->offset3, op_info->length3);
finish_io();
};
librados::async_operate(asio, io, oid,
&op_info->rop, 0, nullptr, read3_cb);
num_io++;
}
break;
case OpType::WRITE:
{
start_io();
op_info = std::make_shared<AsyncOpInfo>(op.offset1, op.length1);
op_info->bl1 = db->generate_data(op.offset1, op.length1);
op_info->wop.write(op.offset1 * block_size, op_info->bl1);
auto write_cb = [this] (boost::system::error_code ec,
version_t ver) {
ceph_assert(ec == boost::system::errc::success);
finish_io();
};
librados::async_operate(asio, io, oid,
&op_info->wop, 0, nullptr, write_cb);
num_io++;
}
break;
case OpType::WRITE2:
{
start_io();
op_info = std::make_shared<AsyncOpInfo>(op.offset1, op.length1,
op.offset2, op.length2);
op_info->bl1 = db->generate_data(op.offset1, op.length1);
op_info->bl2 = db->generate_data(op.offset2, op.length2);
op_info->wop.write(op.offset1 * block_size, op_info->bl1);
op_info->wop.write(op.offset2 * block_size, op_info->bl2);
auto write2_cb = [this] (boost::system::error_code ec,
version_t ver) {
ceph_assert(ec == boost::system::errc::success);
finish_io();
};
librados::async_operate(asio, io, oid,
&op_info->wop, 0, nullptr, write2_cb);
num_io++;
}
break;
case OpType::WRITE3:
{
start_io();
op_info = std::make_shared<AsyncOpInfo>(op.offset1, op.length1,
op.offset2, op.length2,
op.offset3, op.length3);
op_info->bl1 = db->generate_data(op.offset1, op.length1);
op_info->bl2 = db->generate_data(op.offset2, op.length2);
op_info->bl3 = db->generate_data(op.offset3, op.length3);
op_info->wop.write(op.offset1 * block_size, op_info->bl1);
op_info->wop.write(op.offset2 * block_size, op_info->bl2);
op_info->wop.write(op.offset3 * block_size, op_info->bl3);
auto write3_cb = [this] (boost::system::error_code ec,
version_t ver) {
ceph_assert(ec == boost::system::errc::success);
finish_io();
};
librados::async_operate(asio, io, oid,
&op_info->wop, 0, nullptr, write3_cb);
num_io++;
}
break;
default:
break;
}
}
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