mirror of
https://github.com/ciphervance/supercell-wx.git
synced 2025-10-30 22:50:05 +00:00
112 lines
2.3 KiB
C++
112 lines
2.3 KiB
C++
#include <scwx/wsr88d/rpg/generic_data_packet.hpp>
|
|
#include <scwx/util/logger.hpp>
|
|
|
|
#include <istream>
|
|
#include <string>
|
|
|
|
namespace scwx
|
|
{
|
|
namespace wsr88d
|
|
{
|
|
namespace rpg
|
|
{
|
|
|
|
static const std::string logPrefix_ = "scwx::wsr88d::rpg::generic_data_packet";
|
|
static const auto logger_ = util::Logger::Create(logPrefix_);
|
|
|
|
class GenericDataPacketImpl
|
|
{
|
|
public:
|
|
explicit GenericDataPacketImpl() :
|
|
packetCode_ {0}, lengthOfBlock_ {0}, data_ {}
|
|
{
|
|
}
|
|
~GenericDataPacketImpl() = default;
|
|
|
|
uint16_t packetCode_;
|
|
uint32_t lengthOfBlock_;
|
|
|
|
std::vector<uint8_t> data_;
|
|
};
|
|
|
|
GenericDataPacket::GenericDataPacket() :
|
|
p(std::make_unique<GenericDataPacketImpl>())
|
|
{
|
|
}
|
|
GenericDataPacket::~GenericDataPacket() = default;
|
|
|
|
GenericDataPacket::GenericDataPacket(GenericDataPacket&&) noexcept = default;
|
|
GenericDataPacket&
|
|
GenericDataPacket::operator=(GenericDataPacket&&) noexcept = default;
|
|
|
|
uint16_t GenericDataPacket::packet_code() const
|
|
{
|
|
return p->packetCode_;
|
|
}
|
|
|
|
uint32_t GenericDataPacket::length_of_block() const
|
|
{
|
|
return p->lengthOfBlock_;
|
|
}
|
|
|
|
size_t GenericDataPacket::data_size() const
|
|
{
|
|
return p->lengthOfBlock_ + 8u;
|
|
}
|
|
|
|
bool GenericDataPacket::Parse(std::istream& is)
|
|
{
|
|
bool blockValid = true;
|
|
|
|
std::streampos isBegin = is.tellg();
|
|
|
|
is.read(reinterpret_cast<char*>(&p->packetCode_), 2);
|
|
is.seekg(2, std::ios_base::cur);
|
|
is.read(reinterpret_cast<char*>(&p->lengthOfBlock_), 4);
|
|
|
|
p->packetCode_ = ntohs(p->packetCode_);
|
|
p->lengthOfBlock_ = ntohl(p->lengthOfBlock_);
|
|
|
|
if (is.eof())
|
|
{
|
|
logger_->debug("Reached end of file");
|
|
blockValid = false;
|
|
}
|
|
else
|
|
{
|
|
if (p->packetCode_ != 28 && p->packetCode_ != 29)
|
|
{
|
|
logger_->warn("Invalid packet code: {}", p->packetCode_);
|
|
blockValid = false;
|
|
}
|
|
}
|
|
|
|
p->data_.resize(p->lengthOfBlock_);
|
|
is.read(reinterpret_cast<char*>(p->data_.data()), p->lengthOfBlock_);
|
|
|
|
std::streampos isEnd = is.tellg();
|
|
|
|
if (!ValidateMessage(is, isEnd - isBegin))
|
|
{
|
|
blockValid = false;
|
|
}
|
|
|
|
return blockValid;
|
|
}
|
|
|
|
std::shared_ptr<GenericDataPacket> GenericDataPacket::Create(std::istream& is)
|
|
{
|
|
std::shared_ptr<GenericDataPacket> packet =
|
|
std::make_shared<GenericDataPacket>();
|
|
|
|
if (!packet->Parse(is))
|
|
{
|
|
packet.reset();
|
|
}
|
|
|
|
return packet;
|
|
}
|
|
|
|
} // namespace rpg
|
|
} // namespace wsr88d
|
|
} // namespace scwx
|