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https://github.com/autc04/Retro68.git
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101 lines
2.4 KiB
C++
101 lines
2.4 KiB
C++
#include "SharedFile.h"
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#include "StreamBasedLauncher.h"
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#include "Utilities.h"
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#include "Stream.h"
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#include "ServerProtocol.h"
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#include <chrono>
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#include <iostream>
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#include <boost/filesystem.hpp>
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#include <boost/filesystem/fstream.hpp>
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namespace fs = boost::filesystem;
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namespace po = boost::program_options;
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using namespace std::literals::chrono_literals;
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class SharedFileStream : public WaitableStream
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{
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static const long kReadBufferSize = 4096;
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uint8_t readBuffer[kReadBufferSize];
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fs::path shared_directory;
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public:
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virtual void write(const void* p, size_t n) override;
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virtual void wait() override;
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SharedFileStream(po::variables_map &options);
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~SharedFileStream();
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};
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class SharedFileLauncher : public StreamBasedLauncher
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{
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SharedFileStream stream;
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public:
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SharedFileLauncher(po::variables_map& options);
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};
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SharedFileStream::SharedFileStream(po::variables_map &options)
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{
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shared_directory = options["shared-directory"].as<std::string>();
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}
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SharedFileStream::~SharedFileStream()
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{
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}
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void SharedFileStream::write(const void* p, size_t n)
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{
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if(n == 0)
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return;
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{
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fs::ofstream out(shared_directory / "in_channel_1", std::ios::binary);
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out.write((const char*)p, n);
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}
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fs::rename(shared_directory / "in_channel_1", shared_directory / "in_channel");
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do
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{
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usleep(100000);
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} while(fs::exists(shared_directory / "in_channel"));
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}
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void SharedFileStream::wait()
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{
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usleep(100000);
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if(fs::exists(shared_directory / "out_channel"))
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{
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{
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fs::ifstream in(shared_directory / "out_channel");
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while(in.read((char*)readBuffer, sizeof(readBuffer)), in.gcount() > 0)
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notifyReceive(readBuffer, in.gcount());
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}
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fs::remove(shared_directory / "out_channel");
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}
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}
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SharedFileLauncher::SharedFileLauncher(po::variables_map &options)
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: StreamBasedLauncher(options), stream(options)
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{
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SetupStream(&stream);
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}
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void SharedFile::GetOptions(options_description &desc)
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{
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desc.add_options()
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("shared-directory", po::value<std::string>(), "Path to a directory shared with the old mac")
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;
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}
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bool SharedFile::CheckOptions(variables_map &options)
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{
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return options.count("shared-directory") != 0;
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}
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std::unique_ptr<Launcher> SharedFile::MakeLauncher(variables_map &options)
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{
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return std::unique_ptr<Launcher>(new SharedFileLauncher(options));
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}
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