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89 lines
1.8 KiB
C++
89 lines
1.8 KiB
C++
#include <util/file_logger.hpp>
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#include <util/logger_internal.hpp>
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namespace llarp
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{
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FileLogStream::FileLogStream(llarp_threadpool *disk, FILE *f,
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llarp_time_t flushInterval)
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: m_Disk(disk), m_File(f), m_FlushInterval(flushInterval)
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{
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}
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FileLogStream::~FileLogStream()
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{
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fflush(m_File);
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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_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
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{
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switch(lvl)
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{
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case eLogNone:
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break;
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case eLogDebug:
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ss << "[DBG] ";
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break;
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case eLogInfo:
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ss << "[NFO] ";
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break;
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case eLogWarn:
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ss << "[WRN] ";
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break;
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case eLogError:
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ss << "[ERR] ";
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break;
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}
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ss << "(" << 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.emplace_back(msg);
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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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FlushEvent *ev = new FlushEvent(std::move(m_Lines), m_File);
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llarp_threadpool_queue_job(m_Disk, {ev, &FlushEvent::HandleFlush});
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m_LastFlush = now;
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}
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void
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FileLogStream::FlushEvent::HandleFlush(void *user)
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{
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static_cast< FileLogStream::FlushEvent * >(user)->Flush();
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}
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void
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FileLogStream::FlushEvent::Flush()
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{
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for(const auto &line : lines)
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fprintf(f, "%s\n", line.c_str());
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fflush(f);
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delete this;
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}
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} // namespace llarp
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