Added --machineReadable flag

Handling all stderr output through logging sinks
This commit is contained in:
Daniel Wolf 2017-09-09 21:43:12 +02:00
parent f0d3364213
commit 223244ed8c
9 changed files with 290 additions and 93 deletions

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@ -445,6 +445,10 @@ add_executable(rhubarb
src/rhubarb/main.cpp
src/rhubarb/ExportFormat.cpp
src/rhubarb/ExportFormat.h
src/rhubarb/semanticEntries.cpp
src/rhubarb/semanticEntries.h
src/rhubarb/sinks.cpp
src/rhubarb/sinks.h
)
target_include_directories(rhubarb PUBLIC "src/rhubarb")
target_link_libraries(rhubarb

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@ -6,6 +6,7 @@ namespace logging {
struct Entry {
Entry(Level level, const std::string& message);
virtual ~Entry() = default;
time_t timestamp;
int threadCounter;

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@ -33,32 +33,4 @@ namespace logging {
StreamSink(std::shared_ptr<std::ostream>(&std::cerr, [](void*) {}), formatter)
{}
PausableSink::PausableSink(shared_ptr<Sink> innerSink) :
innerSink(innerSink)
{}
void PausableSink::receive(const Entry& entry) {
lock_guard<std::mutex> lock(mutex);
if (isPaused) {
buffer.push_back(entry);
} else {
innerSink->receive(entry);
}
}
void PausableSink::pause() {
lock_guard<std::mutex> lock(mutex);
isPaused = true;
}
void PausableSink::resume() {
lock_guard<std::mutex> lock(mutex);
isPaused = false;
for (const Entry& entry : buffer) {
innerSink->receive(entry);
}
buffer.clear();
}
}

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@ -3,7 +3,6 @@
#include "Sink.h"
#include <memory>
#include "Formatter.h"
#include <vector>
#include <mutex>
namespace logging {
@ -32,17 +31,4 @@ namespace logging {
explicit StdErrSink(std::shared_ptr<Formatter> formatter);
};
class PausableSink : public Sink {
public:
explicit PausableSink(std::shared_ptr<Sink> innerSink);
void receive(const Entry& entry) override;
void pause();
void resume();
private:
std::shared_ptr<Sink> innerSink;
std::vector<Entry> buffer;
std::mutex mutex;
bool isPaused = false;
};
}

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@ -22,11 +22,11 @@
#include "exporters/TsvExporter.h"
#include "exporters/XmlExporter.h"
#include "exporters/JsonExporter.h"
#include <boost/iostreams/stream.hpp>
#include <boost/iostreams/device/null.hpp>
#include "animation/targetShapeSet.h"
#include <boost/utility/in_place_factory.hpp>
#include "tools/platformTools.h"
#include "sinks.h"
#include "semanticEntries.h"
using std::exception;
using std::string;
@ -58,21 +58,12 @@ namespace TCLAP {
};
}
shared_ptr<logging::PausableSink> addPausableStdErrSink(logging::Level minLevel) {
auto stdErrSink = make_shared<logging::StdErrSink>(make_shared<logging::SimpleConsoleFormatter>());
auto pausableSink = make_shared<logging::PausableSink>(stdErrSink);
auto levelFilter = make_shared<logging::LevelFilter>(pausableSink, minLevel);
logging::addSink(levelFilter);
return pausableSink;
}
void addFileSink(path path, logging::Level minLevel) {
shared_ptr<logging::Sink> createFileSink(path path, logging::Level minLevel) {
auto file = make_shared<boost::filesystem::ofstream>();
file->exceptions(std::ifstream::failbit | std::ifstream::badbit);
file->open(path);
auto FileSink = make_shared<logging::StreamSink>(file, make_shared<logging::SimpleFileFormatter>());
auto levelFilter = make_shared<logging::LevelFilter>(FileSink, minLevel);
logging::addSink(levelFilter);
return make_shared<logging::LevelFilter>(FileSink, minLevel);
}
unique_ptr<Exporter> createExporter(ExportFormat exportFormat) {
@ -101,6 +92,11 @@ ShapeSet getTargetShapeSet(const string& extendedShapesString) {
}
int main(int platformArgc, char *platformArgv[]) {
// Set up default logging so early errors are printed to stdout
const logging::Level minStderrLevel = logging::Level::Warn;
shared_ptr<logging::Sink> defaultSink = std::make_shared<NiceStderrSink>(minStderrLevel);
logging::addSink(defaultSink);
// Use UTF-8 throughout
useUtf8ForConsole();
useUtf8ForBoostFilesystem();
@ -108,9 +104,6 @@ int main(int platformArgc, char *platformArgv[]) {
// Convert command-line arguments to UTF-8
const vector<string> args = argsToUtf8(platformArgc, platformArgv);
auto pausableStderrSink = addPausableStdErrSink(logging::Level::Warn);
pausableStderrSink->pause();
// Define command-line parameters
const char argumentValueSeparator = ' ';
tclap::CmdLine cmd(appName, argumentValueSeparator, appVersion);
@ -121,7 +114,8 @@ int main(int platformArgc, char *platformArgv[]) {
tclap::ValuesConstraint<logging::Level> logLevelConstraint(logLevels);
tclap::ValueArg<logging::Level> logLevel("", "logLevel", "The minimum log level to log", false, logging::Level::Debug, &logLevelConstraint, cmd);
tclap::ValueArg<string> logFileName("", "logFile", "The log file path.", false, string(), "string", cmd);
tclap::SwitchArg quietMode("q", "quiet", "Suppresses all output to stderr except for error messages.", cmd, false);
tclap::SwitchArg machineReadableMode("", "machineReadable", "Formats all output to stderr in a structured JSON format.", cmd, false);
tclap::SwitchArg quietMode("q", "quiet", "Suppresses all output to stderr except for warnings and error messages.", cmd, false);
tclap::ValueArg<int> maxThreadCount("", "threads", "The maximum number of worker threads to use.", false, getProcessorCoreCount(), "number", cmd);
tclap::ValueArg<string> extendedShapes("", "extendedShapes", "All extended, optional shapes to use.", false, "GHX", "string", cmd);
tclap::ValueArg<string> dialogFile("d", "dialogFile", "A file containing the text of the dialog.", false, string(), "string", cmd);
@ -130,54 +124,49 @@ int main(int platformArgc, char *platformArgv[]) {
tclap::ValueArg<ExportFormat> exportFormat("f", "exportFormat", "The export format.", false, ExportFormat::Tsv, &exportFormatConstraint, cmd);
tclap::UnlabeledValueArg<string> inputFileName("inputFile", "The input file. Must be a sound file in WAVE format.", true, "", "string", cmd);
std::ostream* infoStream = &std::cerr;
boost::iostreams::stream<boost::iostreams::null_sink> nullStream((boost::iostreams::null_sink()));
try {
auto resumeLogging = gsl::finally([&]() {
*infoStream << std::endl << std::endl;
pausableStderrSink->resume();
});
// Parse command line
{
// TCLAP mutates the function argument! Pass a copy.
vector<string> argsCopy(args);
cmd.parse(argsCopy);
}
if (quietMode.getValue()) {
infoStream = &nullStream;
// Set up logging
if (logFileName.isSet()) {
auto fileSink = createFileSink(path(logFileName.getValue()), logLevel.getValue());
logging::addSink(fileSink);
}
if (quietMode.getValue()) {
logging::removeSink(defaultSink);
logging::addSink(make_shared<QuietStderrSink>(minStderrLevel));
} else if (machineReadableMode.getValue()) {
logging::removeSink(defaultSink);
logging::addSink(make_shared<MachineReadableStderrSink>(minStderrLevel));
}
// Validate and transform command line arguments
if (maxThreadCount.getValue() < 1) {
throw std::runtime_error("Thread count must be 1 or higher.");
}
path inputFilePath(inputFileName.getValue());
ShapeSet targetShapeSet = getTargetShapeSet(extendedShapes.getValue());
// Set up log file
if (logFileName.isSet()) {
addFileSink(path(logFileName.getValue()), logLevel.getValue());
}
logging::infoFormat("Application startup. Command line: {}", join(
args | transformed([](string arg) { return fmt::format("\"{}\"", arg); }), " "));
logging::log(StartEntry(inputFilePath));
logging::debugFormat("Command line: {}",
join(args | transformed([](string arg) { return fmt::format("\"{}\"", arg); }), " "));
try {
*infoStream << fmt::format("Generating lip sync data for {}.", inputFilePath) << std::endl;
*infoStream << "Processing. ";
JoiningContinuousTimeline<Shape> animation(TimeRange::zero(), Shape::X);
{
ProgressBar progressBar(*infoStream);
// On progress change: Create log message
ProgressForwarder progressSink([](double progress) { logging::log(ProgressEntry(progress)); });
// Animate the recording
animation = animateWaveFile(
JoiningContinuousTimeline<Shape> animation = animateWaveFile(
inputFilePath,
dialogFile.isSet() ? readUtf8File(path(dialogFile.getValue())) : boost::optional<string>(),
targetShapeSet,
maxThreadCount.getValue(),
progressBar);
}
*infoStream << "Done." << std::endl << std::endl;
progressSink);
// Export animation
unique_ptr<Exporter> exporter = createExporter(exportFormat.getValue());
@ -189,7 +178,7 @@ int main(int platformArgc, char *platformArgv[]) {
ExporterInput exporterInput = ExporterInput(inputFilePath, animation, targetShapeSet);
exporter->exportAnimation(exporterInput, outputFile ? *outputFile : std::cout);
logging::info("Exiting application normally.");
logging::log(SuccessEntry());
} catch (...) {
std::throw_with_nested(std::runtime_error(fmt::format("Error processing file {}.", inputFilePath)));
}
@ -198,7 +187,7 @@ int main(int platformArgc, char *platformArgv[]) {
} catch (tclap::ArgException& e) {
// Error parsing command-line args.
cmd.getOutput()->failure(cmd, e);
logging::error("Invalid command line. Exiting application.");
logging::log(FailureEntry("Invalid command line."));
return 1;
} catch (tclap::ExitException&) {
// A built-in TCLAP command (like --help) has finished. Exit application.
@ -207,7 +196,7 @@ int main(int platformArgc, char *platformArgv[]) {
} catch (const exception& e) {
// Generic error
string message = getMessage(e);
logging::fatalFormat("Exiting application with error:\n{}", message);
logging::log(FailureEntry(message));
return 1;
}
}

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@ -0,0 +1,39 @@
#include "semanticEntries.h"
using logging::Level;
using std::string;
SemanticEntry::SemanticEntry(Level level, const string& message) :
Entry(level, message)
{}
StartEntry::StartEntry(const boost::filesystem::path& inputFilePath) :
SemanticEntry(Level::Info, fmt::format("Application startup. Input file: {}.", inputFilePath)),
inputFilePath(inputFilePath)
{}
boost::filesystem::path StartEntry::getInputFilePath() const {
return inputFilePath;
}
ProgressEntry::ProgressEntry(double progress) :
SemanticEntry(Level::Trace, fmt::format("Progress: {}%", static_cast<int>(progress * 100))),
progress(progress)
{}
double ProgressEntry::getProgress() const {
return progress;
}
SuccessEntry::SuccessEntry() :
SemanticEntry(Level::Info, "Application terminating normally.")
{}
FailureEntry::FailureEntry(const string& reason) :
SemanticEntry(Level::Fatal, fmt::format("Application terminating with error: {}", reason)),
reason(reason)
{}
string FailureEntry::getReason() const {
return reason;
}

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@ -0,0 +1,38 @@
#pragma once
#include "logging/Entry.h"
#include <boost/filesystem/path.hpp>
// Marker class for semantic entries
class SemanticEntry : public logging::Entry {
public:
SemanticEntry(logging::Level level, const std::string& message);
};
class StartEntry : public SemanticEntry {
public:
StartEntry(const boost::filesystem::path& inputFilePath);
boost::filesystem::path getInputFilePath() const;
private:
boost::filesystem::path inputFilePath;
};
class ProgressEntry : public SemanticEntry {
public:
ProgressEntry(double progress);
double getProgress() const;
private:
double progress;
};
class SuccessEntry : public SemanticEntry {
public:
SuccessEntry();
};
class FailureEntry : public SemanticEntry {
public:
FailureEntry(const std::string& reason);
std::string getReason() const;
private:
std::string reason;
};

122
src/rhubarb/sinks.cpp Normal file
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@ -0,0 +1,122 @@
#include "sinks.h"
#include "logging/sinks.h"
#include "logging/formatters.h"
#include "semanticEntries.h"
#include "tools/stringTools.h"
#include "core/appInfo.h"
#include <boost/utility/in_place_factory.hpp>
using std::string;
using std::make_shared;
using logging::Level;
using logging::LevelFilter;
using logging::StdErrSink;
using logging::SimpleConsoleFormatter;
using boost::optional;
NiceStderrSink::NiceStderrSink(Level minLevel) :
minLevel(minLevel),
innerSink(make_shared<StdErrSink>(make_shared<SimpleConsoleFormatter>()))
{}
void NiceStderrSink::receive(const logging::Entry& entry) {
// For selected semantic entries, print a user-friendly message instead of the technical log message.
if (const StartEntry* startEntry = dynamic_cast<const StartEntry*>(&entry)) {
std::cerr << fmt::format("Generating lip sync data for {}.", startEntry->getInputFilePath()) << std::endl;
startProgressIndication();
} else if (const ProgressEntry* progressEntry = dynamic_cast<const ProgressEntry*>(&entry)) {
assert(progressBar);
progressBar->reportProgress(progressEntry->getProgress());
} else if (dynamic_cast<const SuccessEntry*>(&entry)) {
interruptProgressIndication();
std::cerr << "Done." << std::endl;
} else {
// Treat the entry as a normal log message
if (entry.level >= minLevel) {
const bool inProgress = progressBar.is_initialized();
if (inProgress) interruptProgressIndication();
innerSink->receive(entry);
if (inProgress) resumeProgressIndication();
}
}
}
void NiceStderrSink::startProgressIndication() {
std::cerr << "Progress: ";
progressBar = boost::in_place();
progressBar->setClearOnDestruction(false);
}
void NiceStderrSink::interruptProgressIndication() {
progressBar.reset();
std::cerr << std::endl;
}
void NiceStderrSink::resumeProgressIndication() {
std::cerr << "Progress (cont'd): ";
progressBar = boost::in_place();
progressBar->setClearOnDestruction(false);
}
QuietStderrSink::QuietStderrSink(Level minLevel) :
minLevel(minLevel),
innerSink(make_shared<StdErrSink>(make_shared<SimpleConsoleFormatter>()))
{}
void QuietStderrSink::receive(const logging::Entry& entry) {
// Set inputFilePath as soon as we get it
if (const StartEntry* startEntry = dynamic_cast<const StartEntry*>(&entry)) {
inputFilePath = startEntry->getInputFilePath();
}
if (entry.level >= minLevel) {
if (quietSoFar) {
// This is the first message we print. Give a bit of context.
const string intro = inputFilePath
? fmt::format("{} {} processing file {}:", appName, appVersion, *inputFilePath)
: fmt::format("{} {}:", appName, appVersion);
std::cerr << intro << std::endl;
quietSoFar = false;
}
innerSink->receive(entry);
}
}
MachineReadableStderrSink::MachineReadableStderrSink(Level minLevel) :
minLevel(minLevel)
{}
string formatLogProperty(const logging::Entry& entry) {
return fmt::format(R"("log": {{ "level": "{}", "message": "{}" }})", entry.level, escapeJsonString(entry.message));
}
void MachineReadableStderrSink::receive(const logging::Entry& entry) {
optional<string> line;
if (dynamic_cast<const SemanticEntry*>(&entry)) {
if (const StartEntry* startEntry = dynamic_cast<const StartEntry*>(&entry)) {
const string file = escapeJsonString(startEntry->getInputFilePath().string());
line = fmt::format(R"({{ "type": "start", "file": "{}", {} }})", file, formatLogProperty(entry));
} else if (const ProgressEntry* progressEntry = dynamic_cast<const ProgressEntry*>(&entry)) {
const int progressPercent = static_cast<int>(progressEntry->getProgress() * 100);
if (progressPercent > lastProgressPercent) {
line = fmt::format(R"({{ "type": "progress", "value": {:.2f}, {} }})", progressEntry->getProgress(), formatLogProperty(entry));
lastProgressPercent = progressPercent;
}
} else if (dynamic_cast<const SuccessEntry*>(&entry)) {
line = fmt::format(R"({{ "type": "success", {} }})", formatLogProperty(entry));
} else if (const FailureEntry* failureEntry = dynamic_cast<const FailureEntry*>(&entry)) {
const string reason = escapeJsonString(failureEntry->getReason());
line = fmt::format(R"({{ "type": "failure", "reason": "{}", {} }})", reason, formatLogProperty(entry));
} else {
throw std::runtime_error("Unsupported type of semantic entry.");
}
} else {
if (entry.level >= minLevel) {
line = fmt::format(R"({{ "type": "log", {} }})", formatLogProperty(entry));
}
}
if (line) {
std::cerr << *line << std::endl;
}
}

46
src/rhubarb/sinks.h Normal file
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@ -0,0 +1,46 @@
#pragma once
#include "logging/Entry.h"
#include "logging/Sink.h"
#include "tools/ProgressBar.h"
#include <boost/filesystem/path.hpp>
// Prints nicely formatted progress to stderr.
// Non-semantic entries are only printed if their log level at least matches the specified minimum level.
class NiceStderrSink : public logging::Sink {
public:
NiceStderrSink(logging::Level minLevel);
void receive(const logging::Entry& entry) override;
private:
void startProgressIndication();
void interruptProgressIndication();
void resumeProgressIndication();
logging::Level minLevel;
boost::optional<ProgressBar> progressBar;
std::shared_ptr<Sink> innerSink;
};
// Mostly quiet output to stderr.
// Entries are only printed if their log level at least matches the specified minimum level.
class QuietStderrSink : public logging::Sink {
public:
QuietStderrSink(logging::Level minLevel);
void receive(const logging::Entry& entry) override;
private:
logging::Level minLevel;
bool quietSoFar = true;
boost::optional<boost::filesystem::path> inputFilePath;
std::shared_ptr<Sink> innerSink;
};
// Prints machine-readable progress to stderr.
// Non-semantic entries are only printed if their log level at least matches the specified minimum level.
class MachineReadableStderrSink : public logging::Sink {
public:
MachineReadableStderrSink(logging::Level minLevel);
void receive(const logging::Entry& entry) override;
private:
logging::Level minLevel;
int lastProgressPercent = -1;
};