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This commit is contained in:
Kae 2024-03-15 15:26:38 +11:00
parent 662b83ff92
commit 6208636d69
5 changed files with 76 additions and 78 deletions
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2
source/core/StarDataStreamDevices.cpp
View File

@ -132,6 +132,8 @@ void DataStreamBuffer::writeData(char const* data, size_t len) {
DataStreamExternalBuffer::DataStreamExternalBuffer() : m_buffer() {}
DataStreamExternalBuffer::DataStreamExternalBuffer(ByteArray const& byteArray) : DataStreamExternalBuffer(byteArray.ptr(), byteArray.size()) {}
DataStreamExternalBuffer::DataStreamExternalBuffer(DataStreamBuffer const& buffer) : DataStreamExternalBuffer(buffer.ptr(), buffer.size()) {}
DataStreamExternalBuffer::DataStreamExternalBuffer(char const* externalData, size_t len) : DataStreamExternalBuffer() {

4
source/core/StarDataStreamDevices.hpp
View File

@ -126,7 +126,9 @@ private:
class DataStreamExternalBuffer : public DataStream {
public:
DataStreamExternalBuffer();
DataStreamExternalBuffer(DataStreamBuffer const& buffer);
explicit DataStreamExternalBuffer(ByteArray const& byteArray);
explicit DataStreamExternalBuffer(DataStreamBuffer const& buffer);
DataStreamExternalBuffer(DataStreamExternalBuffer const& buffer) = default;
DataStreamExternalBuffer(char const* externalData, size_t len);

48
source/core/StarZSTDCompression.cpp
View File

@ -7,6 +7,7 @@ CompressionStream::CompressionStream() : m_cStream(ZSTD_createCStream()) {
ZSTD_CCtx_setParameter(m_cStream, ZSTD_c_enableLongDistanceMatching, 1);
ZSTD_CCtx_setParameter(m_cStream, ZSTD_c_windowLog, 24);
ZSTD_initCStream(m_cStream, 2);
m_output.resize(ZSTD_CStreamOutSize());
}
CompressionStream::~CompressionStream() { ZSTD_freeCStream(m_cStream); }
@ -14,39 +15,33 @@ CompressionStream::~CompressionStream() { ZSTD_freeCStream(m_cStream); }
ByteArray CompressionStream::compress(const char* in, size_t inLen) {
size_t const cInSize = ZSTD_CStreamInSize ();
size_t const cOutSize = ZSTD_CStreamOutSize();
ByteArray output(cOutSize, 0);
size_t written = 0, read = 0;
while (read < inLen) {
ZSTD_inBuffer inBuffer = {in + read, min(cInSize, inLen - read), 0};
ZSTD_outBuffer outBuffer = {output.ptr() + written, output.size() - written, 0};
ZSTD_inBuffer inBuffer = {in, inLen, 0};
size_t written = 0;
bool finished = false;
do {
ZSTD_outBuffer outBuffer = {m_output.ptr() + written, min(cOutSize, m_output.size() - written), 0};
size_t ret = ZSTD_compressStream2(m_cStream, &outBuffer, &inBuffer, ZSTD_e_flush);
if (ZSTD_isError(ret)) {
throw IOException(strf("ZSTD compression error {}", ZSTD_getErrorName(ret)));
break;
}
written += outBuffer.pos;
if (outBuffer.pos == outBuffer.size) {
output.resize(output.size() * 2);
outBuffer.dst = output.ptr();
outBuffer.size = output.size();
if (written >= m_output.size())
m_output.resize(m_output.size() * 2);
continue;
}
finished = ret == 0 && inBuffer.pos == inBuffer.size;
} while (!finished);
read += inBuffer.pos;
written += outBuffer.pos;
}
output.resize(written);
return output;
return ByteArray(m_output.ptr(), written);
}
DecompressionStream::DecompressionStream() : m_dStream(ZSTD_createDStream()) {
ZSTD_DCtx_setParameter(m_dStream, ZSTD_d_windowLogMax, 25);
ZSTD_initDStream(m_dStream);
m_output.resize(ZSTD_DStreamOutSize());
}
DecompressionStream::~DecompressionStream() { ZSTD_freeDStream(m_dStream); }
@ -54,31 +49,26 @@ DecompressionStream::~DecompressionStream() { ZSTD_freeDStream(m_dStream); }
ByteArray DecompressionStream::decompress(const char* in, size_t inLen) {
size_t const dInSize = ZSTD_DStreamInSize ();
size_t const dOutSize = ZSTD_DStreamOutSize();
ByteArray output(dOutSize, 0);
size_t written = 0, read = 0;
while (read < inLen) {
ZSTD_inBuffer inBuffer = {in + read, min(dInSize, inLen - read), 0};
ZSTD_outBuffer outBuffer = {output.ptr() + written, output.size() - written, 0};
ZSTD_inBuffer inBuffer = {in, inLen, 0};
size_t written = 0;
bool finished = false;
do {
ZSTD_outBuffer outBuffer = {m_output.ptr() + written, min(dOutSize, m_output.size() - written), 0};
size_t ret = ZSTD_decompressStream(m_dStream, &outBuffer, &inBuffer);
if (ZSTD_isError(ret)) {
throw IOException(strf("ZSTD decompression error {}", ZSTD_getErrorName(ret)));
break;
}
written += outBuffer.pos;
if (outBuffer.pos == outBuffer.size) {
output.resize(output.size() * 2);
outBuffer.dst = output.ptr();
outBuffer.size = output.size();
if (written >= m_output.size())
m_output.resize(m_output.size() * 2);
continue;
}
} while (inBuffer.pos < inBuffer.size);
read += inBuffer.pos;
written += outBuffer.pos;
}
output.resize(written);
return output;
finished = inBuffer.pos == inBuffer.size;
} while (!finished);
return ByteArray(m_output.ptr(), written);
}
}

2
source/core/StarZSTDCompression.hpp
View File

@ -19,6 +19,7 @@ public:
private:
ZSTD_CStream* m_cStream;
ByteArray m_output;
};
inline ByteArray CompressionStream::compress(ByteArray const& in) {
@ -35,6 +36,7 @@ public:
private:
ZSTD_DStream* m_dStream;
ByteArray m_output;
};
inline ByteArray DecompressionStream::decompress(ByteArray const& in) {

26
source/game/StarNetPacketSocket.cpp
View File

@ -212,8 +212,8 @@ List<PacketPtr> TcpPacketSocket::receivePackets() {
uint64_t const PacketBatchLimit = 131072;
List<PacketPtr> packets;
try {
DataStreamExternalBuffer ds(m_inputBuffer.ptr(), m_inputBuffer.size());
bool atLeastOne = false;
DataStreamExternalBuffer ds(m_inputBuffer);
size_t trimPos = 0;
while (!ds.atEnd()) {
PacketType packetType;
uint64_t packetSize = 0;
@ -233,19 +233,19 @@ List<PacketPtr> TcpPacketSocket::receivePackets() {
if (packetSize > PacketSizeLimit)
throw IOException::format("{} bytes large {} exceeds max size!", packetSize, PacketTypeNames.getRight(packetType));
if (packetSize > ds.size() - ds.pos())
if (packetSize > ds.remaining())
break;
atLeastOne = true;
m_incomingStats.mix(packetType, packetSize, !m_useCompressionStream);
DataStreamExternalBuffer packetStream(ds.ptr() + ds.pos(), packetSize);
ByteArray uncompressed;
if (packetCompressed) {
uncompressed = uncompressData(packetStream.ptr() + packetStream.pos(), packetSize, PacketSizeLimit);
uncompressed = uncompressData(packetStream.ptr(), packetSize, PacketSizeLimit);
packetStream.reset(uncompressed.ptr(), uncompressed.size());
}
ds.seek(packetSize, IOSeek::Relative);
trimPos = ds.pos();
size_t count = 0;
do {
@ -262,10 +262,10 @@ List<PacketPtr> TcpPacketSocket::receivePackets() {
packets.append(std::move(packet));
} while (!packetStream.atEnd());
}
if (atLeastOne)
m_inputBuffer.trimLeft(ds.pos());
if (trimPos)
m_inputBuffer.trimLeft(trimPos);
} catch (IOException const& e) {
Logger::warn("I/O error in TcpPacketSocket::readPackets, closing: {}", outputException(e, false));
Logger::warn("I/O error in TcpPacketSocket::receivePackets, closing: {}", outputException(e, false));
m_inputBuffer.clear();
m_socket->shutdown();
}
@ -282,6 +282,7 @@ bool TcpPacketSocket::writeData() {
bool dataSent = false;
try {
if (!m_outputBuffer.empty()) {
if (m_useCompressionStream) {
auto compressed = m_compressionStream.compress(m_outputBuffer);
m_outputBuffer.clear();
@ -294,18 +295,19 @@ bool TcpPacketSocket::writeData() {
m_outgoingStats.mix(written);
}
} else {
while (!m_outputBuffer.empty()) {
do {
size_t written = m_socket->send(m_outputBuffer.ptr(), m_outputBuffer.size());
if (written == 0)
break;
dataSent = true;
m_outputBuffer.trimLeft(written);
} while (!m_outputBuffer.empty());
}
}
} catch (SocketClosedException const& e) {
Logger::debug("TcpPacketSocket socket closed: {}", outputException(e, false));
} catch (IOException const& e) {
Logger::warn("I/O error in TcpPacketSocket::sendData: {}", outputException(e, false));
Logger::warn("I/O error in TcpPacketSocket::writeData: {}", outputException(e, false));
m_socket->shutdown();
}
return dataSent;
@ -320,8 +322,8 @@ bool TcpPacketSocket::readData() {
if (readAmount == 0)
break;
dataReceived = true;
m_incomingStats.mix(readAmount);
if (m_useCompressionStream) {
m_incomingStats.mix(readAmount);
auto decompressed = m_decompressionStream.decompress(readBuffer, readAmount);
m_inputBuffer.append(decompressed.ptr(), decompressed.size());
} else {
@ -435,7 +437,7 @@ List<PacketPtr> P2PPacketSocket::receivePackets() {
} while (!packetStream.atEnd());
}
} catch (IOException const& e) {
Logger::warn("I/O error in P2PPacketSocket::readPackets, closing: {}", outputException(e, false));
Logger::warn("I/O error in P2PPacketSocket::receivePackets, closing: {}", outputException(e, false));
m_socket.reset();
}
return packets;