blob: a8d623e1d3708b94fa4eb7d7ffbdc2b0f3b99595 [file] [log] [blame]
/*
* Copyright (C) 2018 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "src/profiling/memory/wire_protocol.h"
#include <sys/socket.h>
#include <sys/types.h>
#include "perfetto/base/logging.h"
#include "perfetto/ext/base/scoped_file.h"
#include "perfetto/ext/base/unix_socket.h"
#include "test/gtest_and_gmock.h"
namespace perfetto {
namespace profiling {
bool operator==(const AllocMetadata& one, const AllocMetadata& other);
bool operator==(const AllocMetadata& one, const AllocMetadata& other) {
return std::tie(one.sequence_number, one.alloc_size, one.alloc_address,
one.stack_pointer, one.stack_pointer_offset, one.arch) ==
std::tie(other.sequence_number, other.alloc_size,
other.alloc_address, other.stack_pointer,
other.stack_pointer_offset, other.arch) &&
memcmp(one.register_data, other.register_data, kMaxRegisterDataSize) ==
0;
}
bool operator==(const FreeBatch& one, const FreeBatch& other);
bool operator==(const FreeBatch& one, const FreeBatch& other) {
if (one.num_entries != other.num_entries)
return false;
for (size_t i = 0; i < one.num_entries; ++i) {
if (std::tie(one.entries[i].sequence_number, one.entries[i].addr) !=
std::tie(other.entries[i].sequence_number, other.entries[i].addr))
return false;
}
return true;
}
namespace {
base::ScopedFile CopyFD(int fd) {
int sv[2];
PERFETTO_CHECK(socketpair(AF_UNIX, SOCK_STREAM, 0, sv) == 0);
base::UnixSocketRaw send_sock(base::ScopedFile(sv[0]),
base::SockType::kStream);
base::UnixSocketRaw recv_sock(base::ScopedFile(sv[1]),
base::SockType::kStream);
char msg[] = "a";
PERFETTO_CHECK(send_sock.Send(msg, sizeof(msg), &fd, 1));
base::ScopedFile res;
recv_sock.Receive(msg, sizeof(msg), &res, 1);
return res;
}
constexpr auto kShmemSize = 1048576;
TEST(WireProtocolTest, AllocMessage) {
char payload[] = {0x77, 0x77, 0x77, 0x00};
WireMessage msg = {};
msg.record_type = RecordType::Malloc;
AllocMetadata metadata = {};
metadata.sequence_number = 0xA1A2A3A4A5A6A7A8;
metadata.alloc_size = 0xB1B2B3B4B5B6B7B8;
metadata.alloc_address = 0xC1C2C3C4C5C6C7C8;
metadata.stack_pointer = 0xD1D2D3D4D5D6D7D8;
metadata.stack_pointer_offset = 0xE1E2E3E4E5E6E7E8;
metadata.arch = unwindstack::ARCH_X86;
for (size_t i = 0; i < kMaxRegisterDataSize; ++i)
metadata.register_data[i] = 0x66;
msg.alloc_header = &metadata;
msg.payload = payload;
msg.payload_size = sizeof(payload);
auto shmem_client = SharedRingBuffer::Create(kShmemSize);
ASSERT_TRUE(shmem_client);
ASSERT_TRUE(shmem_client->is_valid());
auto shmem_server = SharedRingBuffer::Attach(CopyFD(shmem_client->fd()));
ASSERT_TRUE(SendWireMessage(&shmem_client.value(), msg));
auto buf = shmem_server->BeginRead();
ASSERT_TRUE(buf);
WireMessage recv_msg;
ASSERT_TRUE(ReceiveWireMessage(reinterpret_cast<char*>(buf.data), buf.size,
&recv_msg));
shmem_server->EndRead(std::move(buf));
ASSERT_EQ(recv_msg.record_type, msg.record_type);
ASSERT_EQ(*recv_msg.alloc_header, *msg.alloc_header);
ASSERT_EQ(recv_msg.payload_size, msg.payload_size);
ASSERT_STREQ(recv_msg.payload, msg.payload);
}
TEST(WireProtocolTest, FreeMessage) {
WireMessage msg = {};
msg.record_type = RecordType::Free;
FreeBatch batch = {};
batch.num_entries = kFreeBatchSize;
for (size_t i = 0; i < kFreeBatchSize; ++i) {
batch.entries[i].sequence_number = 0x111111111111111;
batch.entries[i].addr = 0x222222222222222;
}
msg.free_header = &batch;
auto shmem_client = SharedRingBuffer::Create(kShmemSize);
ASSERT_TRUE(shmem_client);
ASSERT_TRUE(shmem_client->is_valid());
auto shmem_server = SharedRingBuffer::Attach(CopyFD(shmem_client->fd()));
ASSERT_TRUE(SendWireMessage(&shmem_client.value(), msg));
auto buf = shmem_server->BeginRead();
ASSERT_TRUE(buf);
WireMessage recv_msg;
ASSERT_TRUE(ReceiveWireMessage(reinterpret_cast<char*>(buf.data), buf.size,
&recv_msg));
shmem_server->EndRead(std::move(buf));
ASSERT_EQ(recv_msg.record_type, msg.record_type);
ASSERT_EQ(*recv_msg.free_header, *msg.free_header);
ASSERT_EQ(recv_msg.payload_size, msg.payload_size);
}
} // namespace
} // namespace profiling
} // namespace perfetto