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https://github.com/xtjoeytx/GServer-v2.git
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死体
109 lines
2.9 KiB
C++
109 lines
2.9 KiB
C++
#ifndef GS2EMU_UPDATEPACKAGE_H
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#define GS2EMU_UPDATEPACKAGE_H
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#include <cstdint>
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#include <optional>
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#include <string>
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#include <unordered_map>
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class Server;
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class UpdatePackage
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{
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public:
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struct FileEntry
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{
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uint32_t size;
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uint32_t checksum;
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};
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using FileList = std::unordered_map<std::string, FileEntry>;
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public:
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explicit UpdatePackage(std::string packageName);
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// Move operations
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UpdatePackage(UpdatePackage&& o) noexcept;
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UpdatePackage& operator=(UpdatePackage&& o) noexcept;
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// Delete copy operations
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UpdatePackage(const UpdatePackage&) = delete;
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UpdatePackage& operator=(const UpdatePackage&) = delete;
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//! Get the package filename
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//! \return package filename
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const std::string& getPackageName() const;
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//! Get the total package size in bytes across all files referenced in the package
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//! \return total package size in bytes
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uint32_t getPackageSize() const;
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//! Get the list of files referenced by this package
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//! \return hashmap of referenced files, and their size/crc32 checksum
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const FileList& getFileList() const;
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//! Compare a checksum against the packages checksum
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//! \param check crc32 checksum
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//! \return true if the checksums match
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bool compareChecksum(uint32_t check) const;
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//! Load an UpdatePackage from the filesystem
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//! \param fileSystem FileSystem where the package file could be located
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//! \param name filename of the package (ex: base_package.gupd)
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//! \return UpdatePackage if it was successfully loaded, otherwise a nullopt
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static std::optional<UpdatePackage> load(Server* const server, const std::string& name);
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//! Reload the UpdatePackage from the filesystem
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//! \param fileSystem CFileSystem where the package file could be located
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//! \return UpdatePackage if it was successfully loaded, otherwise a nullopt
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void reload(Server* const server);
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private:
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std::string m_packageName;
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std::unordered_map<std::string, FileEntry> m_fileList;
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uint32_t m_checksum = 0;
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uint32_t m_packageSize = 0;
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};
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inline UpdatePackage::UpdatePackage(std::string packageName)
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: m_packageName(std::move(packageName))
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{
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}
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inline UpdatePackage::UpdatePackage(UpdatePackage&& o) noexcept
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: m_packageName(std::move(o.m_packageName)), m_fileList(std::move(o.m_fileList)),
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m_checksum(o.m_checksum), m_packageSize(o.m_packageSize)
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{
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}
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inline UpdatePackage& UpdatePackage::operator=(UpdatePackage&& o) noexcept
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{
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m_packageName = std::move(o.m_packageName);
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m_fileList = std::move(o.m_fileList);
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m_checksum = o.m_checksum;
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m_packageSize = o.m_packageSize;
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return *this;
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}
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inline const std::string& UpdatePackage::getPackageName() const
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{
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return m_packageName;
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}
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inline const UpdatePackage::FileList& UpdatePackage::getFileList() const
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{
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return m_fileList;
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}
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inline uint32_t UpdatePackage::getPackageSize() const
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{
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return m_packageSize;
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}
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inline bool UpdatePackage::compareChecksum(uint32_t check) const
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{
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return m_checksum == check;
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}
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#endif //GS2EMU_UPDATEPACKAGE_H
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