nghttp2/src/shrpx_log.h

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/*
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* nghttp2 - HTTP/2 C Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* 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 SHRPX_LOG_H
#define SHRPX_LOG_H
#include "shrpx.h"
#include <sstream>
namespace shrpx {
#define ENABLE_LOG 1
#define LOG_ENABLED(SEVERITY) (ENABLE_LOG && Log::log_enabled(SEVERITY))
#define LOG(SEVERITY) Log(SEVERITY, __FILE__, __LINE__)
// Listener log
#define LLOG(SEVERITY, LISTEN) \
(Log(SEVERITY, __FILE__, __LINE__) << "[LISTEN:" << LISTEN \
<< "] ")
// ThreadEventReceiver log
#define TLOG(SEVERITY, THREAD_RECV) \
(Log(SEVERITY, __FILE__, __LINE__) << "[THREAD_RECV:" << THREAD_RECV \
<< "] ")
// ClientHandler log
#define CLOG(SEVERITY, CLIENT_HANDLER) \
(Log(SEVERITY, __FILE__, __LINE__) << "[CLIENT_HANDLER:" << CLIENT_HANDLER \
<< "] ")
// Upstream log
#define ULOG(SEVERITY, UPSTREAM) \
(Log(SEVERITY, __FILE__, __LINE__) << "[UPSTREAM:" << UPSTREAM << "] ")
// Downstream log
#define DLOG(SEVERITY, DOWNSTREAM) \
(Log(SEVERITY, __FILE__, __LINE__) << "[DOWNSTREAM:" << DOWNSTREAM << "] ")
// Downstream connection log
#define DCLOG(SEVERITY, DCONN) \
(Log(SEVERITY, __FILE__, __LINE__) << "[DCONN:" << DCONN << "] ")
// Downstream HTTP2 session log
#define SSLOG(SEVERITY, HTTP2) \
(Log(SEVERITY, __FILE__, __LINE__) << "[DHTTP2:" << HTTP2 << "] ")
enum SeverityLevel {
INFO, WARNING, ERROR, FATAL
};
class Log {
public:
Log(int severity, const char *filename, int linenum);
~Log();
template<typename Type> Log& operator<<(Type s)
{
stream_ << s;
return *this;
}
static void set_severity_level(int severity);
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static int set_severity_level_by_name(const char *name);
static bool log_enabled(int severity)
{
return severity >= severity_thres_;
}
private:
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std::stringstream stream_;
const char *filename_;
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int severity_;
int linenum_;
static int severity_thres_;
};
#define TTY_HTTP_HD (get_config()->tty ? "\033[1;34m" : "")
#define TTY_RST (get_config()->tty ? "\033[0m" : "")
} // namespace shrpx
#endif // SHRPX_LOG_H