69 lines
1.7 KiB
C++
69 lines
1.7 KiB
C++
#pragma once
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#include <thread>
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#include <variant>
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#include "arb.h"
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#include "logcat_entry.h"
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typedef std::variant<LogEntry, LogcatEntry> LogcatThreadItem;
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#define NEWLINE_BUF_SIZE 512 * 1024
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enum class LogcatProcessRequest {
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None,
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Start,
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Stop,
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};
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class LogcatThread {
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public:
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// https://stackoverflow.com/a/2173764
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LogcatThread(const LogcatThread&) = delete;
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LogcatThread& operator=(const LogcatThread&) = delete;
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LogcatThread(const std::string* logcat_command);
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~LogcatThread();
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void request_stop();
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void join();
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AtomicRingBuffer<LogcatThreadItem> atomic_ring_buffer;
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std::atomic<LogcatProcessRequest> logcat_process_request = LogcatProcessRequest::None;
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std::atomic_flag logcat_process_running;
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#ifndef NDEBUG
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std::atomic_flag debug_log_request;
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#endif
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private:
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void _put_if_not_stopped(LogcatThreadItem item);
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void _try_log(std::string message);
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void _handle_line(char* buf, size_t length, bool is_stdout);
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void _run(std::stop_token stoken);
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void _run_read_round();
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void _try_reap(bool stop_requested);
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bool _handle_stop_request();
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bool _handle_start_request();
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bool _run_process_round(LogcatProcessRequest request);
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#ifdef USE_EPOLL
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int _epoll_fd = -1;
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#endif
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int _stdout_read_fd = -1;
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int _stdout_write_fd = -1;
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int _stderr_read_fd = -1;
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int _stderr_write_fd = -1;
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char _stdout_buf[NEWLINE_BUF_SIZE];
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size_t _stdout_buf_used = 0;
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char _stderr_buf[NEWLINE_BUF_SIZE];
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size_t _stderr_buf_used = 0;
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pid_t _logcat_pid = -1;
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char _logcat_process_kill_attempts = 0;
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const std::string* _logcat_command;
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Buffer _current_buffer = Buffer::Unknown;
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std::stop_source _stop_source;
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std::thread _thread;
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};
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