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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab ft=cpp
/*
* Ceph - scalable distributed file system
*
* Copyright contributors to the Ceph project
*
* 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 "rgw_cksum_pipe.h"
#include <memory>
#include <string>
#include <fmt/format.h>
#include <boost/algorithm/string.hpp>
#include "rgw_cksum.h"
#include "rgw_common.h"
#include "common/dout.h"
#include "rgw_client_io.h"
namespace rgw::putobj {
RGWPutObj_Cksum::RGWPutObj_Cksum(rgw::sal::DataProcessor* next,
rgw::cksum::Type _typ,
cksum_hdr_t&& _hdr)
: Pipe(next),
_type(_typ),
dv(rgw::cksum::digest_factory(_type)),
_digest(cksum::get_digest(dv)), cksum_hdr(_hdr)
{}
std::unique_ptr<RGWPutObj_Cksum> RGWPutObj_Cksum::Factory(
rgw::sal::DataProcessor* next, const RGWEnv& env,
rgw::cksum::Type override_type)
{
/* look for matching headers */
auto algo_header = cksum_algorithm_hdr(env);
if (algo_header.first) {
if (algo_header.second) {
auto cksum_type = cksum::parse_cksum_type(algo_header.second);
return
std::make_unique<RGWPutObj_Cksum>(
next, cksum_type, std::move(algo_header));
}
/* malformed checksum algorithm header(s) */
throw rgw::io::Exception(EINVAL, std::system_category());
}
/* no checksum header */
if (override_type != rgw::cksum::Type::none) {
/* XXXX safe? do we need to fixup env as well? */
auto algo_header = cksum_algorithm_hdr(override_type);
return
std::make_unique<RGWPutObj_Cksum>(
next, override_type, std::move(algo_header));
}
return std::unique_ptr<RGWPutObj_Cksum>();
}
int RGWPutObj_Cksum::process(ceph::buffer::list &&data, uint64_t logical_offset)
{
for (const auto& ptr : data.buffers()) {
_digest->Update(reinterpret_cast<const unsigned char*>(ptr.c_str()),
ptr.length());
}
return Pipe::process(std::move(data), logical_offset);
}
} // namespace rgw::putobj
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