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replace use of boost::iostreams::sink and tee

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This commit is contained in:
Bret Curtis 2023-05-27 00:37:10 +02:00
parent 05555947c3
commit 31e90fb478
1 changed files with 61 additions and 17 deletions
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78
components/debug/debugging.cpp
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@ -5,8 +5,7 @@
#include <iostream>
#include <map>
#include <memory>
#include <boost/iostreams/stream.hpp>
#include <unistd.h>
#include <components/crashcatcher/crashcatcher.hpp>
#include <components/files/conversion.hpp>
@ -77,7 +76,7 @@ namespace Debug
logListener = std::move(listener);
}
class DebugOutputBase : public boost::iostreams::sink
class DebugOutputBase
{
public:
DebugOutputBase()
@ -175,6 +174,58 @@ namespace Debug
}
};
class DebugOutputBuffer : public std::streambuf
{
public:
DebugOutputBuffer(std::unique_ptr<DebugOutputBase> sink)
: m_sink(std::move(sink))
{}
std::streamsize xsputn(const char* s, std::streamsize n) override
{
return m_sink->write(s, n);
}
int overflow(int c = EOF) override
{
if (c != EOF)
{
char z = c;
if (m_sink->write(&z, 1) != 1)
return EOF;
}
return c;
}
int sync() override
{
// This is up to you to decide when to sync, or if you need to.
return 0;
}
private:
std::unique_ptr<DebugOutputBase> m_sink;
};
class DebugOutputStream : public std::ostream
{
public:
DebugOutputStream(std::unique_ptr<DebugOutputBase> sink)
: std::ostream(new DebugOutputBuffer(std::move(sink)))
{}
void open(std::unique_ptr<DebugOutputBase> new_sink)
{
delete rdbuf();
rdbuf(new DebugOutputBuffer(std::move(new_sink)));
}
~DebugOutputStream()
{
delete rdbuf();
}
};
#if defined _WIN32 && defined _DEBUG
class DebugOutput : public DebugOutputBase
{
@ -261,13 +312,6 @@ static std::unique_ptr<std::ostream> rawStderr = nullptr;
static std::unique_ptr<std::mutex> rawStderrMutex = nullptr;
static std::ofstream logfile;
#if defined(_WIN32) && defined(_DEBUG)
static boost::iostreams::stream_buffer<Debug::DebugOutput> sb;
#else
static boost::iostreams::stream_buffer<Debug::Tee> coutsb;
static boost::iostreams::stream_buffer<Debug::Tee> cerrsb;
#endif
std::ostream& getRawStdout()
{
return rawStdout ? *rawStdout : std::cout;
@ -288,18 +332,18 @@ void setupLogging(const std::filesystem::path& logDir, std::string_view appName,
{
#if defined(_WIN32) && defined(_DEBUG)
// Redirect cout and cerr to VS debug output when running in debug mode
sb.open(Debug::DebugOutput());
std::cout.rdbuf(&sb);
std::cerr.rdbuf(&sb);
static Debug::DebugOutputStream sb(std::make_unique<Debug::DebugOutput>());
std::cout.rdbuf(sb.rdbuf());
std::cerr.rdbuf(sb.rdbuf());
#else
const std::string logName = Misc::StringUtils::lowerCase(appName) + ".log";
logfile.open(logDir / logName, mode);
coutsb.open(Debug::Tee(logfile, *rawStdout));
cerrsb.open(Debug::Tee(logfile, *rawStderr));
static Debug::DebugOutputStream coutsb(std::make_unique<Debug::Tee>(logfile, *rawStdout));
static Debug::DebugOutputStream cerrsb(std::make_unique<Debug::Tee>(logfile, *rawStderr));
std::cout.rdbuf(&coutsb);
std::cerr.rdbuf(&cerrsb);
std::cout.rdbuf(coutsb.rdbuf());
std::cerr.rdbuf(cerrsb.rdbuf());
#endif
}