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#pragma once |
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namespace Bk::Net { |
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class Packet
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{ |
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public: |
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Packet() = default; |
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Packet(std::vector<char> data) |
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: payload(data) {} |
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int size() { return payload.size(); } |
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template <typename T> |
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void push(const T& data) |
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{ |
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static_assert(std::is_standard_layout<T>::value, "Data is too complex to be pushed into vector"); |
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size_t i = payload.size(); |
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payload.resize(i + sizeof(T)); |
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std::memcpy(payload.data() + i, &data, sizeof(T)); |
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} |
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template <typename T> |
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void push(const T* data, int size) |
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{ |
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for(int i = 0; i < size; i++) push<T>(data[i]);
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} |
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template <typename T> |
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T pull() |
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{ |
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static_assert(std::is_standard_layout<T>::value, "Data is too complex to be pulled from vector"); |
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T data; |
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size_t i = payload.size() - sizeof(T); |
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std::memcpy(&data, payload.data() + i, sizeof(T)); |
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payload.resize(i); |
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return data; |
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} |
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template <typename T> |
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std::unique_ptr<T[]> pull(int size) |
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{ |
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std::unique_ptr<T[]> data(new T[size]); |
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for(int i = size - 1; i >= 0; i--) data[i] = pull<T>(); |
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return data; |
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} |
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bool append_data(std::vector<char> data) |
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{ |
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if (!data.size()) return false; |
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size_t i = payload.size(); |
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payload.resize(i + data.size()); |
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std::memcpy(payload.data() + i, data.data(), sizeof(char) * data.size()); |
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return true; |
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} |
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std::vector<char> payload; |
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}; |
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} |
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