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spdylay/src/shrpx_log.cc
Tatsuhiro Tsujikawa 29bec93eb9 shrpx: Don't run expensive INFO log code
INFO log and its surrounding code are now guarded by
LOG_ENABLED(SEVERITY) macro so that they don't run if log level
threshold is higher. This increases performance because log formatting
is somewhat expensive.
2013-01-21 22:48:08 +09:00

111 lines
2.9 KiB
C++

/*
* Spdylay - SPDY 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.
*/
#include "shrpx_log.h"
#include <syslog.h>
#include <cstdio>
#include <cstring>
#include "shrpx_config.h"
namespace shrpx {
namespace {
const char *SEVERITY_STR[] = {
"INFO", "WARN", "ERROR", "FATAL"
};
} // namespace
namespace {
const char *SEVERITY_COLOR[] = {
"\033[1;32m", // INFO
"\033[1;33m", // WARN
"\033[1;31m", // ERROR
"\033[1;35m", // FATAL
};
} // namespace
int Log::severity_thres_ = WARNING;
void Log::set_severity_level(int severity)
{
severity_thres_ = severity;
}
int Log::set_severity_level_by_name(const char *name)
{
for(size_t i = 0, max = sizeof(SEVERITY_STR)/sizeof(char*); i < max; ++i) {
if(strcmp(SEVERITY_STR[i], name) == 0) {
severity_thres_ = i;
return 0;
}
}
return -1;
}
int severity_to_syslog_level(int severity)
{
switch(severity) {
case(INFO):
return LOG_INFO;
case(WARNING):
return LOG_WARNING;
case(ERROR):
return LOG_ERR;
case(FATAL):
return LOG_CRIT;
default:
return -1;
}
}
Log::Log(int severity, const char *filename, int linenum)
: severity_(severity),
filename_(filename),
linenum_(linenum)
{}
Log::~Log()
{
if(log_enabled(severity_)) {
fprintf(stderr, "[%s%s%s] %s\n %s(%s:%d)%s\n",
get_config()->tty ? SEVERITY_COLOR[severity_] : "",
SEVERITY_STR[severity_],
get_config()->tty ? "\033[0m" : "",
stream_.str().c_str(),
get_config()->tty ? "\033[1;30m" : "",
filename_, linenum_,
get_config()->tty ? "\033[0m" : "");
fflush(stderr);
if(get_config()->use_syslog) {
syslog(severity_to_syslog_level(severity_), "%s (%s:%d)\n",
stream_.str().c_str(), filename_, linenum_);
}
}
}
} // namespace shrpx