Hi All,
Sometimes I find it very useful to switch the client api logging on.
The user interface is powerful but also not too comfortable.
So what about providing a little interface for easy usage as an example
in the next Qpid release?
Maybe something like this header file QpidApiLogger.h:
#ifndef OWN_QPID_API_LOGGER_H
#define OWN_QPID_API_LOGGER_H
#include <qpid/messaging/Logger.h>
#include <string>
#include <vector>
#include <exception>
namespace helper {
/**
* Helper class which makes it easy to switch on logging of Qpid Client
API.
*/
class QpidApiLogger
{
public:
enum LOG_LEVEL {LVL_TRACE, LVL_DEBUG, LVL_INFO, LVL_NOTICE,
LVL_WARNING, LVL_ERROR, LVL_CRITICAL};
public:
/**
* Switches Qpid Client API logging on.
* @param filename - the path to write to
* @param level - the loglevel
* @throw UsrException - if loglevel is wrong
*/
static void enableLogging(const std::string &filename, LOG_LEVEL level)
{
enableLogging(filename, toString(level));
}
/**
* Same as above but with level as a string.
* @param filename - the path to write to
* @param level - "trace+", "debug+", "info+", "notice+",
"warning+", "error+", "critical+"
*/
static void enableLogging(const std::string &filename, const
std::string &level)
{
std::vector<const char*> arguments;
arguments.push_back("this_argument_is_ignored");
arguments.push_back("--log-to-file");
arguments.push_back(filename.c_str());
arguments.push_back("--log-enable");
arguments.push_back(level.c_str());
arguments.push_back(NULL);
qpid::messaging::Logger::configure(arguments.size()-1,
&arguments[0]);
}
/**
* converts given level to a string
*/
static const std::string toString(LOG_LEVEL level)
{
switch (level) {
case LVL_TRACE: return "trace+";
case LVL_DEBUG: return "debug+";
case LVL_INFO: return "info+";
case LVL_NOTICE: return "notice+";
case LVL_WARNING: return "warning+";
case LVL_ERROR: return "error+";
case LVL_CRITICAL: return "critical+";
default:
throw std::invalid_argument("wrong argument: " + level);
}
}
};
} // end namespace
#endif
Regards,
Andreas
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