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e149ad4f0aSPDX standardizes how source code conveys its copyright and licensing information. See https://spdx.github.io/spdx-spec/1-rationale/ . SPDX tags are adopted in many large projects, including things like the Linux kernel.
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
// Copyright 2014 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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// PCAP is a standard file format for network capture files. This also extends
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// to any capture of packetized intercommunication data. This file provides a
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// class called PCAP which is a very light wrapper around the file format,
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// allowing only creating a new PCAP capture file and appending packets to it.
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//
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// Example use:
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// PCAP pcap(new IOFile("test.pcap", "wb"));
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// pcap.AddPacket(pkt); // pkt is automatically casted to u8*
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#pragma once
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#include <cstddef>
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#include <memory>
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#include "Common/CommonTypes.h"
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#include "Common/IOFile.h"
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namespace Common
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{
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class PCAP final
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{
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public:
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enum class LinkType : u32
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{
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Ethernet = 1, // IEEE 802.3 Ethernet
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User = 147, // Reserved for internal use
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};
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// Takes ownership of the file object. Assumes the file object is already
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// opened in write mode.
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explicit PCAP(File::IOFile* fp, LinkType link_type = LinkType::User) : m_fp(fp)
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{
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AddHeader(static_cast<u32>(link_type));
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}
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template <typename T>
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void AddPacket(const T& obj)
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{
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AddPacket(reinterpret_cast<const u8*>(&obj), sizeof(obj));
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}
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void AddPacket(const u8* bytes, size_t size);
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private:
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void AddHeader(u32 link_type);
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std::unique_ptr<File::IOFile> m_fp;
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};
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} // namespace Common
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