Merge pull request #9763 from Techjar/netplay-common-refactor

NetPlay: Refactor some functions into a common header
This commit is contained in:
Léo Lam 2021-07-06 12:56:46 +02:00 committed by GitHub
commit 20ac3ed413
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9 changed files with 262 additions and 230 deletions

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@ -408,6 +408,8 @@ add_library(core
Movie.h
NetPlayClient.cpp
NetPlayClient.h
NetPlayCommon.cpp
NetPlayCommon.h
NetPlayServer.cpp
NetPlayServer.h
NetworkCaptureLogger.cpp

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@ -15,7 +15,6 @@
#include <vector>
#include <fmt/format.h>
#include <lzo/lzo1x.h>
#include <mbedtls/md5.h>
#include "Common/Assert.h"
@ -23,7 +22,6 @@
#include "Common/CommonTypes.h"
#include "Common/ENetUtil.h"
#include "Common/FileUtil.h"
#include "Common/IOFile.h"
#include "Common/Logging/Log.h"
#include "Common/MD5.h"
#include "Common/MsgHandler.h"
@ -54,6 +52,7 @@
#include "Core/IOS/USB/Bluetooth/BTEmu.h"
#include "Core/IOS/Uids.h"
#include "Core/Movie.h"
#include "Core/NetPlayCommon.h"
#include "Core/PowerPC/PowerPC.h"
#include "Core/SyncIdentifier.h"
@ -1635,92 +1634,6 @@ void NetPlayClient::SyncCodeResponse(const bool success)
}
}
bool NetPlayClient::DecompressPacketIntoFile(sf::Packet& packet, const std::string& file_path)
{
u64 file_size = Common::PacketReadU64(packet);
if (file_size == 0)
return true;
File::IOFile file(file_path, "wb");
if (!file)
{
PanicAlertFmtT("Failed to open file \"{0}\". Verify your write permissions.", file_path);
return false;
}
std::vector<u8> in_buffer(NETPLAY_LZO_OUT_LEN);
std::vector<u8> out_buffer(NETPLAY_LZO_IN_LEN);
while (true)
{
u32 cur_len = 0; // number of bytes to read
lzo_uint new_len = 0; // number of bytes to write
packet >> cur_len;
if (!cur_len)
break; // We reached the end of the data stream
for (size_t j = 0; j < cur_len; j++)
{
packet >> in_buffer[j];
}
if (lzo1x_decompress(in_buffer.data(), cur_len, out_buffer.data(), &new_len, nullptr) !=
LZO_E_OK)
{
PanicAlertFmtT("Internal LZO Error - decompression failed");
return false;
}
if (!file.WriteBytes(out_buffer.data(), new_len))
{
PanicAlertFmtT("Error writing file: {0}", file_path);
return false;
}
}
return true;
}
std::optional<std::vector<u8>> NetPlayClient::DecompressPacketIntoBuffer(sf::Packet& packet)
{
u64 size = Common::PacketReadU64(packet);
std::vector<u8> out_buffer(size);
if (size == 0)
return out_buffer;
std::vector<u8> in_buffer(NETPLAY_LZO_OUT_LEN);
lzo_uint i = 0;
while (true)
{
u32 cur_len = 0; // number of bytes to read
lzo_uint new_len = 0; // number of bytes to write
packet >> cur_len;
if (!cur_len)
break; // We reached the end of the data stream
for (size_t j = 0; j < cur_len; j++)
{
packet >> in_buffer[j];
}
if (lzo1x_decompress(in_buffer.data(), cur_len, &out_buffer[i], &new_len, nullptr) != LZO_E_OK)
{
PanicAlertFmtT("Internal LZO Error - decompression failed");
return {};
}
i += new_len;
}
return out_buffer;
}
// called from ---GUI--- thread
bool NetPlayClient::ChangeGame(const std::string&)
{

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@ -9,7 +9,6 @@
#include <map>
#include <memory>
#include <mutex>
#include <optional>
#include <string>
#include <thread>
#include <unordered_map>
@ -221,8 +220,6 @@ private:
void SyncSaveDataResponse(bool success);
void SyncCodeResponse(bool success);
bool DecompressPacketIntoFile(sf::Packet& packet, const std::string& file_path);
std::optional<std::vector<u8>> DecompressPacketIntoBuffer(sf::Packet& packet);
bool PollLocalPad(int local_pad, sf::Packet& packet);
void SendPadHostPoll(PadIndex pad_num);

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@ -0,0 +1,227 @@
// Copyright 2021 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "Core/NetPlayCommon.h"
#include <lzo/lzo1x.h>
#include "Common/FileUtil.h"
#include "Common/IOFile.h"
#include "Common/MsgHandler.h"
#include "Common/SFMLHelper.h"
namespace NetPlay
{
constexpr u32 LZO_IN_LEN = 1024 * 64;
constexpr u32 LZO_OUT_LEN = LZO_IN_LEN + (LZO_IN_LEN / 16) + 64 + 3;
bool CompressFileIntoPacket(const std::string& file_path, sf::Packet& packet)
{
File::IOFile file(file_path, "rb");
if (!file)
{
PanicAlertFmtT("Failed to open file \"{0}\".", file_path);
return false;
}
const sf::Uint64 size = file.GetSize();
packet << size;
if (size == 0)
return true;
std::vector<u8> in_buffer(LZO_IN_LEN);
std::vector<u8> out_buffer(LZO_OUT_LEN);
std::vector<u8> wrkmem(LZO1X_1_MEM_COMPRESS);
lzo_uint i = 0;
while (true)
{
lzo_uint32 cur_len = 0; // number of bytes to read
lzo_uint out_len = 0; // number of bytes to write
if ((i + LZO_IN_LEN) >= size)
{
cur_len = static_cast<lzo_uint32>(size - i);
}
else
{
cur_len = LZO_IN_LEN;
}
if (cur_len <= 0)
break; // EOF
if (!file.ReadBytes(in_buffer.data(), cur_len))
{
PanicAlertFmtT("Error reading file: {0}", file_path.c_str());
return false;
}
if (lzo1x_1_compress(in_buffer.data(), cur_len, out_buffer.data(), &out_len, wrkmem.data()) !=
LZO_E_OK)
{
PanicAlertFmtT("Internal LZO Error - compression failed");
return false;
}
// The size of the data to write is 'out_len'
packet << static_cast<u32>(out_len);
for (size_t j = 0; j < out_len; j++)
{
packet << out_buffer[j];
}
if (cur_len != LZO_IN_LEN)
break;
i += cur_len;
}
// Mark end of data
packet << static_cast<u32>(0);
return true;
}
bool CompressBufferIntoPacket(const std::vector<u8>& in_buffer, sf::Packet& packet)
{
const sf::Uint64 size = in_buffer.size();
packet << size;
if (size == 0)
return true;
std::vector<u8> out_buffer(LZO_OUT_LEN);
std::vector<u8> wrkmem(LZO1X_1_MEM_COMPRESS);
lzo_uint i = 0;
while (true)
{
lzo_uint32 cur_len = 0; // number of bytes to read
lzo_uint out_len = 0; // number of bytes to write
if ((i + LZO_IN_LEN) >= size)
{
cur_len = static_cast<lzo_uint32>(size - i);
}
else
{
cur_len = LZO_IN_LEN;
}
if (cur_len <= 0)
break; // end of buffer
if (lzo1x_1_compress(&in_buffer[i], cur_len, out_buffer.data(), &out_len, wrkmem.data()) !=
LZO_E_OK)
{
PanicAlertFmtT("Internal LZO Error - compression failed");
return false;
}
// The size of the data to write is 'out_len'
packet << static_cast<u32>(out_len);
for (size_t j = 0; j < out_len; j++)
{
packet << out_buffer[j];
}
if (cur_len != LZO_IN_LEN)
break;
i += cur_len;
}
// Mark end of data
packet << static_cast<u32>(0);
return true;
}
bool DecompressPacketIntoFile(sf::Packet& packet, const std::string& file_path)
{
u64 file_size = Common::PacketReadU64(packet);
if (file_size == 0)
return true;
File::IOFile file(file_path, "wb");
if (!file)
{
PanicAlertFmtT("Failed to open file \"{0}\". Verify your write permissions.", file_path);
return false;
}
std::vector<u8> in_buffer(LZO_OUT_LEN);
std::vector<u8> out_buffer(LZO_IN_LEN);
while (true)
{
u32 cur_len = 0; // number of bytes to read
lzo_uint new_len = 0; // number of bytes to write
packet >> cur_len;
if (!cur_len)
break; // We reached the end of the data stream
for (size_t j = 0; j < cur_len; j++)
{
packet >> in_buffer[j];
}
if (lzo1x_decompress(in_buffer.data(), cur_len, out_buffer.data(), &new_len, nullptr) !=
LZO_E_OK)
{
PanicAlertFmtT("Internal LZO Error - decompression failed");
return false;
}
if (!file.WriteBytes(out_buffer.data(), new_len))
{
PanicAlertFmtT("Error writing file: {0}", file_path);
return false;
}
}
return true;
}
std::optional<std::vector<u8>> DecompressPacketIntoBuffer(sf::Packet& packet)
{
u64 size = Common::PacketReadU64(packet);
std::vector<u8> out_buffer(size);
if (size == 0)
return out_buffer;
std::vector<u8> in_buffer(LZO_OUT_LEN);
lzo_uint i = 0;
while (true)
{
u32 cur_len = 0; // number of bytes to read
lzo_uint new_len = 0; // number of bytes to write
packet >> cur_len;
if (!cur_len)
break; // We reached the end of the data stream
for (size_t j = 0; j < cur_len; j++)
{
packet >> in_buffer[j];
}
if (lzo1x_decompress(in_buffer.data(), cur_len, &out_buffer[i], &new_len, nullptr) != LZO_E_OK)
{
PanicAlertFmtT("Internal LZO Error - decompression failed");
return {};
}
i += new_len;
}
return out_buffer;
}
} // namespace NetPlay

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@ -0,0 +1,21 @@
// Copyright 2021 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <SFML/Network/Packet.hpp>
#include <array>
#include <optional>
#include <string>
#include <vector>
#include "Common/CommonTypes.h"
namespace NetPlay
{
bool CompressFileIntoPacket(const std::string& file_path, sf::Packet& packet);
bool CompressBufferIntoPacket(const std::vector<u8>& in_buffer, sf::Packet& packet);
bool DecompressPacketIntoFile(sf::Packet& packet, const std::string& file_path);
std::optional<std::vector<u8>> DecompressPacketIntoBuffer(sf::Packet& packet);
} // namespace NetPlay

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@ -117,11 +117,6 @@ struct NetTraversalConfig
u16 traversal_port = 0;
};
struct Rpt : public std::vector<u8>
{
u16 channel;
};
// messages
enum
{
@ -210,13 +205,15 @@ enum
SYNC_CODES_FAILURE = 6,
};
constexpr u32 NETPLAY_LZO_IN_LEN = 1024 * 64;
constexpr u32 NETPLAY_LZO_OUT_LEN = NETPLAY_LZO_IN_LEN + (NETPLAY_LZO_IN_LEN / 16) + 64 + 3;
constexpr u32 MAX_NAME_LENGTH = 30;
constexpr size_t CHUNKED_DATA_UNIT_SIZE = 16384;
constexpr u8 CHANNEL_COUNT = 2;
constexpr u8 DEFAULT_CHANNEL = 0;
constexpr u8 CHUNKED_DATA_CHANNEL = 1;
enum : u8
{
DEFAULT_CHANNEL,
CHUNKED_DATA_CHANNEL,
CHANNEL_COUNT
};
struct WiimoteInput
{

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@ -18,13 +18,11 @@
#include <vector>
#include <fmt/format.h>
#include <lzo/lzo1x.h>
#include "Common/CommonPaths.h"
#include "Common/ENetUtil.h"
#include "Common/FileUtil.h"
#include "Common/HttpRequest.h"
#include "Common/IOFile.h"
#include "Common/Logging/Log.h"
#include "Common/MsgHandler.h"
#include "Common/SFMLHelper.h"
@ -55,6 +53,7 @@
#include "Core/IOS/IOS.h"
#include "Core/IOS/Uids.h"
#include "Core/NetPlayClient.h" //for NetPlayUI
#include "Core/NetPlayCommon.h"
#include "Core/SyncIdentifier.h"
#include "DiscIO/Enums.h"
@ -1906,130 +1905,6 @@ void NetPlayServer::CheckSyncAndStartGame()
}
}
bool NetPlayServer::CompressFileIntoPacket(const std::string& file_path, sf::Packet& packet)
{
File::IOFile file(file_path, "rb");
if (!file)
{
PanicAlertFmtT("Failed to open file \"{0}\".", file_path);
return false;
}
const sf::Uint64 size = file.GetSize();
packet << size;
if (size == 0)
return true;
std::vector<u8> in_buffer(NETPLAY_LZO_IN_LEN);
std::vector<u8> out_buffer(NETPLAY_LZO_OUT_LEN);
std::vector<u8> wrkmem(LZO1X_1_MEM_COMPRESS);
lzo_uint i = 0;
while (true)
{
lzo_uint32 cur_len = 0; // number of bytes to read
lzo_uint out_len = 0; // number of bytes to write
if ((i + NETPLAY_LZO_IN_LEN) >= size)
{
cur_len = static_cast<lzo_uint32>(size - i);
}
else
{
cur_len = NETPLAY_LZO_IN_LEN;
}
if (cur_len <= 0)
break; // EOF
if (!file.ReadBytes(in_buffer.data(), cur_len))
{
PanicAlertFmtT("Error reading file: {0}", file_path.c_str());
return false;
}
if (lzo1x_1_compress(in_buffer.data(), cur_len, out_buffer.data(), &out_len, wrkmem.data()) !=
LZO_E_OK)
{
PanicAlertFmtT("Internal LZO Error - compression failed");
return false;
}
// The size of the data to write is 'out_len'
packet << static_cast<u32>(out_len);
for (size_t j = 0; j < out_len; j++)
{
packet << out_buffer[j];
}
if (cur_len != NETPLAY_LZO_IN_LEN)
break;
i += cur_len;
}
// Mark end of data
packet << static_cast<u32>(0);
return true;
}
bool NetPlayServer::CompressBufferIntoPacket(const std::vector<u8>& in_buffer, sf::Packet& packet)
{
const sf::Uint64 size = in_buffer.size();
packet << size;
if (size == 0)
return true;
std::vector<u8> out_buffer(NETPLAY_LZO_OUT_LEN);
std::vector<u8> wrkmem(LZO1X_1_MEM_COMPRESS);
lzo_uint i = 0;
while (true)
{
lzo_uint32 cur_len = 0; // number of bytes to read
lzo_uint out_len = 0; // number of bytes to write
if ((i + NETPLAY_LZO_IN_LEN) >= size)
{
cur_len = static_cast<lzo_uint32>(size - i);
}
else
{
cur_len = NETPLAY_LZO_IN_LEN;
}
if (cur_len <= 0)
break; // end of buffer
if (lzo1x_1_compress(&in_buffer[i], cur_len, out_buffer.data(), &out_len, wrkmem.data()) !=
LZO_E_OK)
{
PanicAlertFmtT("Internal LZO Error - compression failed");
return false;
}
// The size of the data to write is 'out_len'
packet << static_cast<u32>(out_len);
for (size_t j = 0; j < out_len; j++)
{
packet << out_buffer[j];
}
if (cur_len != NETPLAY_LZO_IN_LEN)
break;
i += cur_len;
}
// Mark end of data
packet << static_cast<u32>(0);
return true;
}
u64 NetPlayServer::GetInitialNetPlayRTC() const
{
const auto& config = SConfig::GetInstance();

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@ -120,8 +120,6 @@ private:
bool SyncSaveData();
bool SyncCodes();
void CheckSyncAndStartGame();
bool CompressFileIntoPacket(const std::string& file_path, sf::Packet& packet);
bool CompressBufferIntoPacket(const std::vector<u8>& in_buffer, sf::Packet& packet);
u64 GetInitialNetPlayRTC() const;

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@ -375,6 +375,7 @@
<ClInclude Include="Core\MemTools.h" />
<ClInclude Include="Core\Movie.h" />
<ClInclude Include="Core\NetPlayClient.h" />
<ClInclude Include="Core\NetPlayCommon.h" />
<ClInclude Include="Core\NetPlayProto.h" />
<ClInclude Include="Core\NetPlayServer.h" />
<ClInclude Include="Core\NetworkCaptureLogger.h" />
@ -952,6 +953,7 @@
<ClCompile Include="Core\MemTools.cpp" />
<ClCompile Include="Core\Movie.cpp" />
<ClCompile Include="Core\NetPlayClient.cpp" />
<ClCompile Include="Core\NetPlayCommon.cpp" />
<ClCompile Include="Core\NetPlayServer.cpp" />
<ClCompile Include="Core\NetworkCaptureLogger.cpp" />
<ClCompile Include="Core\PatchEngine.cpp" />
@ -1215,4 +1217,4 @@
<ItemGroup>
<Natvis Include="Common\BitField.natvis" />
</ItemGroup>
</Project>
</Project>