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Small logging refactor and additional options

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-> Get rid of Logger::logToSystem and use normal downstream output system for android instead

-> Give the downstream output system more information: enrich the log function of ILogOutput
	with information and add ICombinedLogOutput for easier use.

-> Make Logger::getLevelLabel() static and public so that it can be used by downstream log output.

-> Add g_ and m_ prefixes where required
This commit is contained in:
est31 2015-10-24 12:52:14 +02:00
parent 6f2d9de769
commit 2f19abd704
2 changed files with 92 additions and 60 deletions
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89
src/log.cpp
View File

@ -68,21 +68,6 @@ public:
void flush(const std::string &buffer);
};
#ifdef __ANDROID__
static unsigned int level_to_android[] = {
ANDROID_LOG_INFO, // LL_NONE
//ANDROID_LOG_FATAL,
ANDROID_LOG_ERROR, // LL_ERROR
ANDROID_LOG_WARN, // LL_WARNING
ANDROID_LOG_WARN, // LL_ACTION
//ANDROID_LOG_INFO,
ANDROID_LOG_DEBUG, // LL_INFO
ANDROID_LOG_VERBOSE, // LL_VERBOSE
};
#endif
////
//// Globals
////
@ -124,6 +109,41 @@ std::ostream actionstream(&action_buf);
std::ostream infostream(&info_buf);
std::ostream verbosestream(&verbose_buf);
// Android
#ifdef __ANDROID__
static unsigned int g_level_to_android[] = {
ANDROID_LOG_INFO, // LL_NONE
//ANDROID_LOG_FATAL,
ANDROID_LOG_ERROR, // LL_ERROR
ANDROID_LOG_WARN, // LL_WARNING
ANDROID_LOG_WARN, // LL_ACTION
//ANDROID_LOG_INFO,
ANDROID_LOG_DEBUG, // LL_INFO
ANDROID_LOG_VERBOSE, // LL_VERBOSE
};
class AndroidSystemLogOutput : public ICombinedLogOutput {
public:
AndroidSystemLogOutput()
{
g_logger.addOutput(this);
}
~AndroidSystemLogOutput()
{
g_logger.removeOutput(this);
}
void logRaw(LogLevel lev, const std::string &line)
{
assert(ARRLEN(g_level_to_android) == LL_MAX);
__android_log_print(g_level_to_android[lev],
PROJECT_NAME_C, "%s", line.c_str());
}
};
AndroidSystemLogOutput g_android_log_output;
#endif
///////////////////////////////////////////////////////////////////////////////
@ -232,11 +252,11 @@ void Logger::log(LogLevel lev, const std::string &text)
const std::string thread_name = getThreadName();
const std::string label = getLevelLabel(lev);
const std::string timestamp = getTimestamp();
std::ostringstream os(std::ios_base::binary);
os << getTimestamp() << ": " << label << "[" << thread_name << "]: " << text;
os << timestamp << ": " << label << "[" << thread_name << "]: " << text;
logToSystem(lev, text);
logToOutputs(lev, os.str());
logToOutputs(lev, os.str(), timestamp, thread_name, text);
}
void Logger::logRaw(LogLevel lev, const std::string &text)
@ -244,24 +264,23 @@ void Logger::logRaw(LogLevel lev, const std::string &text)
if (m_silenced_levels[lev])
return;
logToSystem(lev, text);
logToOutputs(lev, text);
logToOutputsRaw(lev, text);
}
void Logger::logToSystem(LogLevel lev, const std::string &text)
{
#ifdef __ANDROID__
assert(ARRLEN(level_to_android) == LL_MAX);
__android_log_print(level_to_android[lev],
PROJECT_NAME_C, "%s", text.c_str());
#endif
}
void Logger::logToOutputs(LogLevel lev, const std::string &text)
void Logger::logToOutputsRaw(LogLevel lev, const std::string &line)
{
MutexAutoLock lock(m_mutex);
for (size_t i = 0; i != m_outputs[lev].size(); i++)
m_outputs[lev][i]->log(text);
m_outputs[lev][i]->logRaw(lev, line);
}
void Logger::logToOutputs(LogLevel lev, const std::string &combined,
const std::string &time, const std::string &thread_name,
const std::string &payload_text)
{
MutexAutoLock lock(m_mutex);
for (size_t i = 0; i != m_outputs[lev].size(); i++)
m_outputs[lev][i]->log(lev, combined, time, thread_name, payload_text);
}
@ -271,11 +290,11 @@ void Logger::logToOutputs(LogLevel lev, const std::string &text)
void FileLogOutput::open(const std::string &filename)
{
stream.open(filename.c_str(), std::ios::app | std::ios::ate);
if (!stream.good())
m_stream.open(filename.c_str(), std::ios::app | std::ios::ate);
if (!m_stream.good())
throw FileNotGoodException("Failed to open log file " +
filename + ": " + strerror(errno));
stream << "\n\n"
m_stream << "\n\n"
"-------------" << std::endl
<< " Separator" << std::endl
<< "-------------\n" << std::endl;
@ -313,8 +332,6 @@ void StringBuffer::push_back(char c)
}
void LogBuffer::flush(const std::string &buffer)
{
logger.log(level, buffer);

63
src/log.h
View File

@ -57,12 +57,14 @@ public:
bool getTraceEnabled() { return m_trace_enabled; }
static LogLevel stringToLevel(const std::string &name);
static const std::string getLevelLabel(LogLevel lev);
private:
void logToSystem(LogLevel, const std::string &text);
void logToOutputs(LogLevel, const std::string &text);
void logToOutputsRaw(LogLevel, const std::string &line);
void logToOutputs(LogLevel, const std::string &combined,
const std::string &time, const std::string &thread_name,
const std::string &payload_text);
const std::string getLevelLabel(LogLevel lev);
const std::string getThreadName();
std::vector<ILogOutput *> m_outputs[LL_MAX];
@ -78,73 +80,86 @@ private:
class ILogOutput {
public:
virtual void log(const std::string &line) = 0;
virtual void logRaw(LogLevel, const std::string &line) = 0;
virtual void log(LogLevel, const std::string &combined,
const std::string &time, const std::string &thread_name,
const std::string &payload_text) = 0;
};
class StreamLogOutput : public ILogOutput {
class ICombinedLogOutput : public ILogOutput {
public:
void log(LogLevel lev, const std::string &combined,
const std::string &time, const std::string &thread_name,
const std::string &payload_text)
{
logRaw(lev, combined);
}
};
class StreamLogOutput : public ICombinedLogOutput {
public:
StreamLogOutput(std::ostream &stream) :
stream(stream)
m_stream(stream)
{
}
void log(const std::string &line)
void logRaw(LogLevel lev, const std::string &line)
{
stream << line << std::endl;
m_stream << line << std::endl;
}
private:
std::ostream &stream;
std::ostream &m_stream;
};
class FileLogOutput : public ILogOutput {
class FileLogOutput : public ICombinedLogOutput {
public:
void open(const std::string &filename);
void log(const std::string &line)
void logRaw(LogLevel lev, const std::string &line)
{
stream << line << std::endl;
m_stream << line << std::endl;
}
private:
std::ofstream stream;
std::ofstream m_stream;
};
class LogOutputBuffer : public ILogOutput {
class LogOutputBuffer : public ICombinedLogOutput {
public:
LogOutputBuffer(Logger &logger, LogLevel lev) :
logger(logger)
m_logger(logger)
{
logger.addOutput(this, lev);
m_logger.addOutput(this, lev);
}
~LogOutputBuffer()
{
logger.removeOutput(this);
m_logger.removeOutput(this);
}
virtual void log(const std::string &line)
void logRaw(LogLevel lev, const std::string &line)
{
buffer.push(line);
m_buffer.push(line);
}
bool empty()
{
return buffer.empty();
return m_buffer.empty();
}
std::string get()
{
if (empty())
return "";
std::string s = buffer.front();
buffer.pop();
std::string s = m_buffer.front();
m_buffer.pop();
return s;
}
private:
std::queue<std::string> buffer;
Logger &logger;
std::queue<std::string> m_buffer;
Logger &m_logger;
};