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104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
#include <util/logging/file_logger.hpp>
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#include <util/logging/logger_internal.hpp>
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#include <utility>
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namespace llarp
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{
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void
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FileLogStream::Flush(Lines_t *lines, FILE *const f)
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{
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bool wrote_stuff = false;
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do
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{
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auto maybe_line = lines->tryPopFront();
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if(not maybe_line.has_value())
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break;
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const auto &line = maybe_line.value();
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if(fprintf(f, "%s\n", line.c_str()) >= 0)
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wrote_stuff = true;
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} while(true);
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if(wrote_stuff)
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fflush(f);
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}
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// namespace
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FileLogStream::FileLogStream(std::shared_ptr< thread::ThreadPool > disk,
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FILE *f, llarp_time_t flushInterval,
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bool closeFile)
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: m_Lines(1024 * 8)
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, m_Disk(std::move(disk))
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, m_File(f)
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, m_FlushInterval(flushInterval)
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, m_Close(closeFile)
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{
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m_Lines.enable();
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}
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FileLogStream::~FileLogStream()
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{
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m_Lines.disable();
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do
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{
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auto line = m_Lines.tryPopFront();
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if(not line.has_value())
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break;
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} while(true);
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fflush(m_File);
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if(m_Close)
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fclose(m_File);
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}
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bool
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FileLogStream::ShouldFlush(llarp_time_t now) const
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{
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if(m_Lines.full())
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return true;
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if(m_LastFlush >= now)
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return false;
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const auto dlt = now - m_LastFlush;
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return dlt >= m_FlushInterval;
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}
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void
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FileLogStream::PreLog(std::stringstream &ss, LogLevel lvl, const char *fname,
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int lineno, const std::string &nodename) const
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{
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ss << "[" << LogLevelToString(lvl) << "] ";
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ss << "[" << nodename << "]"
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<< "(" << thread_id_string() << ") " << log_timestamp() << " " << fname
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<< ":" << lineno << "\t";
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}
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void
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FileLogStream::Print(LogLevel, const char *, const std::string &msg)
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{
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m_Lines.pushBack(msg);
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}
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void
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FileLogStream::AppendLog(LogLevel lvl, const char *fname, int lineno,
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const std::string &nodename, const std::string msg)
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{
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ILogStream::AppendLog(lvl, fname, lineno, nodename, msg);
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Tick(llarp::time_now_ms());
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}
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void
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FileLogStream::Tick(llarp_time_t now)
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{
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if(ShouldFlush(now))
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FlushLinesToDisk(now);
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}
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void
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FileLogStream::FlushLinesToDisk(llarp_time_t now)
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{
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FILE *const f = m_File;
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auto lines = &m_Lines;
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m_Disk->addJob([f, lines]() { Flush(lines, f); });
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m_LastFlush = now;
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}
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} // namespace llarp
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