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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) 2020 Red Hat
*
* 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 "msg/async/frames_v2.h"
#include <numeric>
#include <ostream>
#include <string>
#include <tuple>
#include "msg/async/compression_meta.h"
#include "auth/Auth.h"
#include "common/ceph_argparse.h"
#include "global/global_init.h"
#include "global/global_context.h"
#include "include/Context.h"
#include <gtest/gtest.h>
#define COMP_THRESHOLD 1 << 10
#define EXPECT_COMPRESSED(is_compressed, val1, val2) \
if (is_compressed && val1 > COMP_THRESHOLD) { \
EXPECT_GE(val1, val2); \
} else { \
EXPECT_EQ(val1, val2); \
}
using namespace std;
namespace ceph::msgr::v2 {
// MessageFrame with the first segment not fixed to ceph_msg_header2
struct TestFrame : Frame<TestFrame,
/* four segments */
segment_t::DEFAULT_ALIGNMENT,
segment_t::DEFAULT_ALIGNMENT,
segment_t::DEFAULT_ALIGNMENT,
segment_t::PAGE_SIZE_ALIGNMENT> {
static constexpr Tag tag = static_cast<Tag>(123);
static TestFrame Encode(const bufferlist& header,
const bufferlist& front,
const bufferlist& middle,
const bufferlist& data) {
TestFrame f;
f.segments[SegmentIndex::Msg::HEADER] = header;
f.segments[SegmentIndex::Msg::FRONT] = front;
f.segments[SegmentIndex::Msg::MIDDLE] = middle;
f.segments[SegmentIndex::Msg::DATA] = data;
// discard cached crcs for perf tests
f.segments[SegmentIndex::Msg::HEADER].invalidate_crc();
f.segments[SegmentIndex::Msg::FRONT].invalidate_crc();
f.segments[SegmentIndex::Msg::MIDDLE].invalidate_crc();
f.segments[SegmentIndex::Msg::DATA].invalidate_crc();
return f;
}
static TestFrame Decode(segment_bls_t& segment_bls) {
TestFrame f;
// Transfer segments' bufferlists. If segment_bls contains
// less than SegmentsNumV segments, the missing ones will be
// seen as empty.
for (size_t i = 0; i < segment_bls.size(); i++) {
f.segments[i] = std::move(segment_bls[i]);
}
return f;
}
bufferlist& header() {
return segments[SegmentIndex::Msg::HEADER];
}
bufferlist& front() {
return segments[SegmentIndex::Msg::FRONT];
}
bufferlist& middle() {
return segments[SegmentIndex::Msg::MIDDLE];
}
bufferlist& data() {
return segments[SegmentIndex::Msg::DATA];
}
protected:
using Frame::Frame;
};
struct mode_t {
bool is_rev1;
bool is_secure;
bool is_compress;
};
static std::ostream& operator<<(std::ostream& os, const mode_t& m) {
os << "msgr2." << (m.is_rev1 ? "1" : "0")
<< (m.is_secure ? "-secure" : "-crc")
<< (m.is_compress ? "-compress": "-nocompress");
return os;
}
static const mode_t modes[] = {
{false, false, false},
{false, true, false},
{true, false, false},
{true, true, false},
{false, false, true},
{false, true, true},
{true, false, true},
{true, true, true}
};
struct round_trip_instance_t {
uint32_t header_len;
uint32_t front_len;
uint32_t middle_len;
uint32_t data_len;
// expected number of segments (same for each mode)
size_t num_segments;
// expected layout (different for each mode)
uint32_t onwire_lens[4][MAX_NUM_SEGMENTS + 2];
};
static std::ostream& operator<<(std::ostream& os,
const round_trip_instance_t& rti) {
os << rti.header_len << "+" << rti.front_len << "+"
<< rti.middle_len << "+" << rti.data_len;
return os;
}
static bufferlist make_bufferlist(size_t len, char c) {
bufferlist bl;
if (len > 0) {
bl.reserve(len);
bl.append(std::string(len, c));
}
return bl;
}
bool disassemble_frame(FrameAssembler& frame_asm, bufferlist& frame_bl,
Tag& tag, segment_bls_t& segment_bls) {
bufferlist preamble_bl;
frame_bl.splice(0, frame_asm.get_preamble_onwire_len(), &preamble_bl);
tag = frame_asm.disassemble_preamble(preamble_bl);
do {
size_t seg_idx = segment_bls.size();
segment_bls.emplace_back();
uint32_t onwire_len = frame_asm.get_segment_onwire_len(seg_idx);
if (onwire_len > 0) {
frame_bl.splice(0, onwire_len, &segment_bls.back());
}
} while (segment_bls.size() < frame_asm.get_num_segments());
bufferlist epilogue_bl;
uint32_t epilogue_onwire_len = frame_asm.get_epilogue_onwire_len();
if (epilogue_onwire_len > 0) {
frame_bl.splice(0, epilogue_onwire_len, &epilogue_bl);
}
return frame_asm.disassemble_segments(preamble_bl, segment_bls.data(), epilogue_bl);
}
class RoundTripTestBase : public ::testing::TestWithParam<
std::tuple<round_trip_instance_t, mode_t>> {
protected:
RoundTripTestBase()
: m_tx_frame_asm(&m_tx_crypto, std::get<1>(GetParam()).is_rev1, true,
&m_tx_comp),
m_rx_frame_asm(&m_rx_crypto, std::get<1>(GetParam()).is_rev1, true,
&m_rx_comp),
m_header(make_bufferlist(std::get<0>(GetParam()).header_len, 'H')),
m_front(make_bufferlist(std::get<0>(GetParam()).front_len, 'F')),
m_middle(make_bufferlist(std::get<0>(GetParam()).middle_len, 'M')),
m_data(make_bufferlist(std::get<0>(GetParam()).data_len, 'D')) {
const auto& m = std::get<1>(GetParam());
if (m.is_secure) {
AuthConnectionMeta auth_meta;
auth_meta.con_mode = CEPH_CON_MODE_SECURE;
// see AuthConnectionMeta::get_connection_secret_length()
auth_meta.connection_secret.resize(64);
g_ceph_context->random()->get_bytes(auth_meta.connection_secret.data(),
auth_meta.connection_secret.size());
m_tx_crypto = ceph::crypto::onwire::rxtx_t::create_handler_pair(
g_ceph_context, auth_meta, /*new_nonce_format=*/m.is_rev1,
/*crossed=*/false);
m_rx_crypto = ceph::crypto::onwire::rxtx_t::create_handler_pair(
g_ceph_context, auth_meta, /*new_nonce_format=*/m.is_rev1,
/*crossed=*/true);
}
if (m.is_compress) {
CompConnectionMeta comp_meta;
comp_meta.con_mode = Compressor::COMP_FORCE;
comp_meta.con_method = Compressor::COMP_ALG_SNAPPY;
m_tx_comp = ceph::compression::onwire::rxtx_t::create_handler_pair(
g_ceph_context, comp_meta, /*min_compress_size=*/COMP_THRESHOLD
);
m_rx_comp = ceph::compression::onwire::rxtx_t::create_handler_pair(
g_ceph_context, comp_meta, /*min_compress_size=*/COMP_THRESHOLD
);
}
}
void check_frame_assembler(const FrameAssembler& frame_asm) {
const auto& [rti, m] = GetParam();
const auto& onwire_lens = rti.onwire_lens[m.is_rev1 << 1 | m.is_secure];
EXPECT_COMPRESSED(m.is_compress, rti.header_len + rti.front_len + rti.middle_len + rti.data_len,
frame_asm.get_frame_logical_len());
ASSERT_EQ(rti.num_segments, frame_asm.get_num_segments());
EXPECT_COMPRESSED(m.is_compress, onwire_lens[0], frame_asm.get_preamble_onwire_len());
for (size_t i = 0; i < rti.num_segments; i++) {
EXPECT_COMPRESSED(m.is_compress, onwire_lens[i + 1], frame_asm.get_segment_onwire_len(i));
}
EXPECT_COMPRESSED(m.is_compress, onwire_lens[rti.num_segments + 1],
frame_asm.get_epilogue_onwire_len());
EXPECT_COMPRESSED(m.is_compress,
std::accumulate(std::begin(onwire_lens), std::end(onwire_lens),
uint64_t(0)),
frame_asm.get_frame_onwire_len());
}
void test_round_trip() {
auto tx_frame = TestFrame::Encode(m_header, m_front, m_middle, m_data);
auto onwire_bl = tx_frame.get_buffer(m_tx_frame_asm);
check_frame_assembler(m_tx_frame_asm);
EXPECT_EQ(m_tx_frame_asm.get_frame_onwire_len(), onwire_bl.length());
Tag rx_tag;
segment_bls_t rx_segment_bls;
EXPECT_TRUE(disassemble_frame(m_rx_frame_asm, onwire_bl, rx_tag,
rx_segment_bls));
check_frame_assembler(m_rx_frame_asm);
EXPECT_EQ(0, onwire_bl.length());
EXPECT_EQ(TestFrame::tag, rx_tag);
EXPECT_EQ(m_rx_frame_asm.get_num_segments(), rx_segment_bls.size());
auto rx_frame = TestFrame::Decode(rx_segment_bls);
EXPECT_TRUE(m_header.contents_equal(rx_frame.header()));
EXPECT_TRUE(m_front.contents_equal(rx_frame.front()));
EXPECT_TRUE(m_middle.contents_equal(rx_frame.middle()));
EXPECT_TRUE(m_data.contents_equal(rx_frame.data()));
}
ceph::crypto::onwire::rxtx_t m_tx_crypto;
ceph::crypto::onwire::rxtx_t m_rx_crypto;
ceph::compression::onwire::rxtx_t m_tx_comp;
ceph::compression::onwire::rxtx_t m_rx_comp;
FrameAssembler m_tx_frame_asm;
FrameAssembler m_rx_frame_asm;
const bufferlist m_header;
const bufferlist m_front;
const bufferlist m_middle;
const bufferlist m_data;
};
class RoundTripTest : public RoundTripTestBase {};
TEST_P(RoundTripTest, Basic) {
test_round_trip();
}
TEST_P(RoundTripTest, Reuse) {
for (int i = 0; i < 3; i++) {
test_round_trip();
}
}
static const round_trip_instance_t round_trip_instances[] = {
// first segment is empty
{ 0, 0, 0, 0, 1, {{32, 0, 17, 0, 0, 0},
{32, 0, 32, 0, 0, 0},
{32, 0, 0, 0, 0, 0},
{96, 0, 0, 0, 0, 0}}},
{ 0, 0, 0, 303, 4, {{32, 0, 0, 0, 303, 17},
{32, 0, 0, 0, 304, 32},
{32, 0, 0, 0, 303, 13},
{96, 0, 0, 0, 304, 32}}},
{ 0, 0, 202, 0, 3, {{32, 0, 0, 202, 17, 0},
{32, 0, 0, 208, 32, 0},
{32, 0, 0, 202, 13, 0},
{96, 0, 0, 208, 32, 0}}},
{ 0, 0, 202, 303, 4, {{32, 0, 0, 202, 303, 17},
{32, 0, 0, 208, 304, 32},
{32, 0, 0, 202, 303, 13},
{96, 0, 0, 208, 304, 32}}},
{ 0, 101, 0, 0, 2, {{32, 0, 101, 17, 0, 0},
{32, 0, 112, 32, 0, 0},
{32, 0, 101, 13, 0, 0},
{96, 0, 112, 32, 0, 0}}},
{ 0, 101, 0, 303, 4, {{32, 0, 101, 0, 303, 17},
{32, 0, 112, 0, 304, 32},
{32, 0, 101, 0, 303, 13},
{96, 0, 112, 0, 304, 32}}},
{ 0, 101, 202, 0, 3, {{32, 0, 101, 202, 17, 0},
{32, 0, 112, 208, 32, 0},
{32, 0, 101, 202, 13, 0},
{96, 0, 112, 208, 32, 0}}},
{ 0, 101, 202, 303, 4, {{32, 0, 101, 202, 303, 17},
{32, 0, 112, 208, 304, 32},
{32, 0, 101, 202, 303, 13},
{96, 0, 112, 208, 304, 32}}},
// first segment is fully inlined, inline buffer is not full
{ 1, 0, 0, 0, 1, {{32, 1, 17, 0, 0, 0},
{32, 16, 32, 0, 0, 0},
{32, 5, 0, 0, 0, 0},
{96, 0, 0, 0, 0, 0}}},
{ 1, 0, 0, 303, 4, {{32, 1, 0, 0, 303, 17},
{32, 16, 0, 0, 304, 32},
{32, 5, 0, 0, 303, 13},
{96, 0, 0, 0, 304, 32}}},
{ 1, 0, 202, 0, 3, {{32, 1, 0, 202, 17, 0},
{32, 16, 0, 208, 32, 0},
{32, 5, 0, 202, 13, 0},
{96, 0, 0, 208, 32, 0}}},
{ 1, 0, 202, 303, 4, {{32, 1, 0, 202, 303, 17},
{32, 16, 0, 208, 304, 32},
{32, 5, 0, 202, 303, 13},
{96, 0, 0, 208, 304, 32}}},
{ 1, 101, 0, 0, 2, {{32, 1, 101, 17, 0, 0},
{32, 16, 112, 32, 0, 0},
{32, 5, 101, 13, 0, 0},
{96, 0, 112, 32, 0, 0}}},
{ 1, 101, 0, 303, 4, {{32, 1, 101, 0, 303, 17},
{32, 16, 112, 0, 304, 32},
{32, 5, 101, 0, 303, 13},
{96, 0, 112, 0, 304, 32}}},
{ 1, 101, 202, 0, 3, {{32, 1, 101, 202, 17, 0},
{32, 16, 112, 208, 32, 0},
{32, 5, 101, 202, 13, 0},
{96, 0, 112, 208, 32, 0}}},
{ 1, 101, 202, 303, 4, {{32, 1, 101, 202, 303, 17},
{32, 16, 112, 208, 304, 32},
{32, 5, 101, 202, 303, 13},
{96, 0, 112, 208, 304, 32}}},
// first segment is fully inlined, inline buffer is full
{48, 0, 0, 0, 1, {{32, 48, 17, 0, 0, 0},
{32, 48, 32, 0, 0, 0},
{32, 52, 0, 0, 0, 0},
{96, 0, 0, 0, 0, 0}}},
{48, 0, 0, 303, 4, {{32, 48, 0, 0, 303, 17},
{32, 48, 0, 0, 304, 32},
{32, 52, 0, 0, 303, 13},
{96, 0, 0, 0, 304, 32}}},
{48, 0, 202, 0, 3, {{32, 48, 0, 202, 17, 0},
{32, 48, 0, 208, 32, 0},
{32, 52, 0, 202, 13, 0},
{96, 0, 0, 208, 32, 0}}},
{48, 0, 202, 303, 4, {{32, 48, 0, 202, 303, 17},
{32, 48, 0, 208, 304, 32},
{32, 52, 0, 202, 303, 13},
{96, 0, 0, 208, 304, 32}}},
{48, 101, 0, 0, 2, {{32, 48, 101, 17, 0, 0},
{32, 48, 112, 32, 0, 0},
{32, 52, 101, 13, 0, 0},
{96, 0, 112, 32, 0, 0}}},
{48, 101, 0, 303, 4, {{32, 48, 101, 0, 303, 17},
{32, 48, 112, 0, 304, 32},
{32, 52, 101, 0, 303, 13},
{96, 0, 112, 0, 304, 32}}},
{48, 101, 202, 0, 3, {{32, 48, 101, 202, 17, 0},
{32, 48, 112, 208, 32, 0},
{32, 52, 101, 202, 13, 0},
{96, 0, 112, 208, 32, 0}}},
{48, 101, 202, 303, 4, {{32, 48, 101, 202, 303, 17},
{32, 48, 112, 208, 304, 32},
{32, 52, 101, 202, 303, 13},
{96, 0, 112, 208, 304, 32}}},
// first segment is partially inlined
{49, 0, 0, 0, 1, {{32, 49, 17, 0, 0, 0},
{32, 64, 32, 0, 0, 0},
{32, 53, 0, 0, 0, 0},
{96, 32, 0, 0, 0, 0}}},
{49, 0, 0, 303, 4, {{32, 49, 0, 0, 303, 17},
{32, 64, 0, 0, 304, 32},
{32, 53, 0, 0, 303, 13},
{96, 32, 0, 0, 304, 32}}},
{49, 0, 202, 0, 3, {{32, 49, 0, 202, 17, 0},
{32, 64, 0, 208, 32, 0},
{32, 53, 0, 202, 13, 0},
{96, 32, 0, 208, 32, 0}}},
{49, 0, 202, 303, 4, {{32, 49, 0, 202, 303, 17},
{32, 64, 0, 208, 304, 32},
{32, 53, 0, 202, 303, 13},
{96, 32, 0, 208, 304, 32}}},
{49, 101, 0, 0, 2, {{32, 49, 101, 17, 0, 0},
{32, 64, 112, 32, 0, 0},
{32, 53, 101, 13, 0, 0},
{96, 32, 112, 32, 0, 0}}},
{49, 101, 0, 303, 4, {{32, 49, 101, 0, 303, 17},
{32, 64, 112, 0, 304, 32},
{32, 53, 101, 0, 303, 13},
{96, 32, 112, 0, 304, 32}}},
{49, 101, 202, 0, 3, {{32, 49, 101, 202, 17, 0},
{32, 64, 112, 208, 32, 0},
{32, 53, 101, 202, 13, 0},
{96, 32, 112, 208, 32, 0}}},
{49, 101, 202, 303, 4, {{32, 49, 101, 202, 303, 17},
{32, 64, 112, 208, 304, 32},
{32, 53, 101, 202, 303, 13},
{96, 32, 112, 208, 304, 32}}},
};
INSTANTIATE_TEST_SUITE_P(
RoundTripTests, RoundTripTest, ::testing::Combine(
::testing::ValuesIn(round_trip_instances),
::testing::ValuesIn(modes)));
class RoundTripPerfTest : public RoundTripTestBase {};
TEST_P(RoundTripPerfTest, DISABLED_Basic) {
for (int i = 0; i < 100000; i++) {
auto tx_frame = TestFrame::Encode(m_header, m_front, m_middle, m_data);
auto onwire_bl = tx_frame.get_buffer(m_tx_frame_asm);
Tag rx_tag;
segment_bls_t rx_segment_bls;
ASSERT_TRUE(disassemble_frame(m_rx_frame_asm, onwire_bl, rx_tag,
rx_segment_bls));
}
}
static const round_trip_instance_t round_trip_perf_instances[] = {
{41, 250, 0, 0, 2, {{32, 41, 250, 17, 0, 0},
{32, 48, 256, 32, 0, 0},
{32, 45, 250, 13, 0, 0},
{96, 0, 256, 32, 0, 0}}},
{41, 250, 0, 512, 4, {{32, 41, 250, 0, 512, 17},
{32, 48, 256, 0, 512, 32},
{32, 45, 250, 0, 512, 13},
{96, 0, 256, 0, 512, 32}}},
{41, 250, 0, 4096, 4, {{32, 41, 250, 0, 4096, 17},
{32, 48, 256, 0, 4096, 32},
{32, 45, 250, 0, 4096, 13},
{96, 0, 256, 0, 4096, 32}}},
{41, 250, 0, 32768, 4, {{32, 41, 250, 0, 32768, 17},
{32, 48, 256, 0, 32768, 32},
{32, 45, 250, 0, 32768, 13},
{96, 0, 256, 0, 32768, 32}}},
{41, 250, 0, 131072, 4, {{32, 41, 250, 0, 131072, 17},
{32, 48, 256, 0, 131072, 32},
{32, 45, 250, 0, 131072, 13},
{96, 0, 256, 0, 131072, 32}}},
{41, 250, 0, 4194304, 4, {{32, 41, 250, 0, 4194304, 17},
{32, 48, 256, 0, 4194304, 32},
{32, 45, 250, 0, 4194304, 13},
{96, 0, 256, 0, 4194304, 32}}},
};
INSTANTIATE_TEST_SUITE_P(
RoundTripPerfTests, RoundTripPerfTest, ::testing::Combine(
::testing::ValuesIn(round_trip_perf_instances),
::testing::ValuesIn(modes)));
} // namespace ceph::msgr::v2
int main(int argc, char* argv[]) {
auto args = argv_to_vec(argc, argv);
auto cct = global_init(nullptr, args, CEPH_ENTITY_TYPE_CLIENT,
CODE_ENVIRONMENT_UTILITY,
CINIT_FLAG_NO_DEFAULT_CONFIG_FILE);
common_init_finish(g_ceph_context);
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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