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/*
* Phusion Passenger - https://www.phusionpassenger.com/
* Copyright (c) 2010-2017 Phusion Holding B.V.
*
* "Passenger", "Phusion Passenger" and "Union Station" are registered
* trademarks of Phusion Holding B.V.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef _PASSENGER_LVE_LOGGING_DECORATOR_H_
#define _PASSENGER_LVE_LOGGING_DECORATOR_H_
#include <LoggingKit/LoggingKit.h>
#include <adhoc_lve.h>
#include <string>
#include <sys/types.h>
#include <unistd.h>
namespace Passenger {
class LveLoggingDecorator {
public:
static adhoc_lve::LibLve &lveInitOnce() {
std::string initOneTimeError;
adhoc_lve::LibLve &lveLibHandle = adhoc_lve::LveInitSignleton::getInstance(&initOneTimeError);
if (!lveLibHandle.is_lve_available()) {
P_DEBUG("LVE lib is not available");
} else if (lveLibHandle.is_error()) {
if (!initOneTimeError.empty())
P_ERROR("LVE init error: " << initOneTimeError);
} else {
P_DEBUG("LVE get instance (or init) success");
}
return lveLibHandle;
}
static void logLveEnter(const adhoc_lve::LveEnter &lveEnter, uid_t uid, uid_t min_uid) {
if (lveEnter.lveInstance().is_lve_ready() && lveEnter.is_error()) {
P_ERROR("LVE enter [pid " << ::getpid() << ", uid " << uid
<< ", min_uid " << min_uid
<< "] error: " << lveEnter.error());
} else if (lveEnter.is_entered()) {
P_DEBUG("LVE enter [pid " << ::getpid() << ", uid " << uid
<< ", min_uid " << min_uid
<< "] success");
} else {
P_DEBUG("LVE not in [pid " << ::getpid() << ", uid " << uid
<< ", min_uid " << min_uid << "]");
}
}
static void lveExitCallback(bool entered, const std::string &exit_error) {
if (!entered) {
return;
}
try {
bool is_error = !exit_error.empty();
if (is_error) {
P_ERROR("LVE exit [pid " << ::getpid() << "] error: " << exit_error);
} else {
P_DEBUG("LVE exit [pid " << ::getpid() << "] success");
}
} catch(...) {
// Can be called from adhoc_lve::LveEnter destructor while stack unwinding.
}
}
}; // class LveLoggingDecorator
} // namespace Passenger
#endif /* _PASSENGER_LVE_LOGGING_DECORATOR_H_ */