296 lines
7.2 KiB
C++
296 lines
7.2 KiB
C++
/*
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* nghttp2 - HTTP/2 C Library
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*
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* Copyright (c) 2012 Tatsuhiro Tsujikawa
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "shrpx_log.h"
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#include <syslog.h>
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#include <unistd.h>
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#include <inttypes.h>
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#include <cerrno>
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#include <cstdio>
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#include <cstring>
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#include <ctime>
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#include <iostream>
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#include "shrpx_config.h"
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#include "shrpx_downstream.h"
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#include "shrpx_worker_config.h"
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#include "util.h"
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using namespace nghttp2;
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namespace shrpx {
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namespace {
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const char *SEVERITY_STR[] = {
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"INFO", "NOTICE", "WARN", "ERROR", "FATAL"
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};
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} // namespace
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namespace {
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const char *SEVERITY_COLOR[] = {
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"\033[1;32m", // INFO
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"\033[1;36m", // NOTICE
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"\033[1;33m", // WARN
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"\033[1;31m", // ERROR
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"\033[1;35m", // FATAL
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};
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} // namespace
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int Log::severity_thres_ = NOTICE;
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void Log::set_severity_level(int severity)
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{
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severity_thres_ = severity;
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}
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int Log::set_severity_level_by_name(const char *name)
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{
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for(size_t i = 0, max = util::array_size(SEVERITY_STR); i < max; ++i) {
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if(strcmp(SEVERITY_STR[i], name) == 0) {
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severity_thres_ = i;
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return 0;
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}
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}
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return -1;
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}
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int severity_to_syslog_level(int severity)
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{
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switch(severity) {
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case(INFO):
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return LOG_INFO;
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case(NOTICE):
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return LOG_NOTICE;
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case(WARN):
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return LOG_WARNING;
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case(ERROR):
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return LOG_ERR;
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case(FATAL):
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return LOG_CRIT;
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default:
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return -1;
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}
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}
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Log::Log(int severity, const char *filename, int linenum)
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: filename_(filename),
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severity_(severity),
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linenum_(linenum)
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{}
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Log::~Log()
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{
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int rv;
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auto wconf = worker_config;
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if(!log_enabled(severity_) ||
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(wconf->errorlog_fd == -1 && !get_config()->errorlog_syslog)) {
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return;
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}
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if(get_config()->errorlog_syslog) {
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if (severity_ == NOTICE) {
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syslog(severity_to_syslog_level(severity_), "[%s] %s",
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SEVERITY_STR[severity_], stream_.str().c_str());
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} else {
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syslog(severity_to_syslog_level(severity_), "[%s] %s (%s:%d)",
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SEVERITY_STR[severity_], stream_.str().c_str(),
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filename_, linenum_);
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}
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return;
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}
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char buf[4096];
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auto tty = wconf->errorlog_tty;
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auto cached_time = get_config()->cached_time;
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if (severity_ == NOTICE) {
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rv = snprintf(buf, sizeof(buf),
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"%s PID%d [%s%s%s] %s\n",
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cached_time->c_str(),
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getpid(),
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tty ? SEVERITY_COLOR[severity_] : "",
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SEVERITY_STR[severity_],
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tty ? "\033[0m" : "",
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stream_.str().c_str());
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} else {
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rv = snprintf(buf, sizeof(buf),
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"%s PID%d [%s%s%s] %s%s:%d%s %s\n",
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cached_time->c_str(),
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getpid(),
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tty ? SEVERITY_COLOR[severity_] : "",
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SEVERITY_STR[severity_],
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tty ? "\033[0m" : "",
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tty ? "\033[1;30m" : "",
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filename_, linenum_,
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tty ? "\033[0m" : "",
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stream_.str().c_str());
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}
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if(rv < 0) {
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return;
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}
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auto nwrite = std::min(static_cast<size_t>(rv), sizeof(buf) - 1);
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while(write(wconf->errorlog_fd, buf, nwrite) == -1 && errno == EINTR);
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}
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void upstream_accesslog(const std::string& client_ip, unsigned int status_code,
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Downstream *downstream)
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{
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auto wconf = worker_config;
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if(wconf->accesslog_fd == -1 && !get_config()->accesslog_syslog) {
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return;
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}
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char buf[1024];
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int rv;
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const char *path;
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const char *method;
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unsigned int major, minor;
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const char *user_agent;
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int64_t response_bodylen;
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if(!downstream) {
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path = "-";
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method = "-";
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major = 1;
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minor = 0;
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user_agent = "-";
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response_bodylen = 0;
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} else {
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if(downstream->get_request_path().empty()) {
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path = downstream->get_request_http2_authority().c_str();
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} else {
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path = downstream->get_request_path().c_str();
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}
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method = downstream->get_request_method().c_str();
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major = downstream->get_request_major();
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minor = downstream->get_request_minor();
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user_agent = downstream->get_request_user_agent().c_str();
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if(!user_agent[0]) {
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user_agent = "-";
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}
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response_bodylen = downstream->get_response_bodylen();
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}
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static const char fmt[] =
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"%s - - [%s] \"%s %s HTTP/%u.%u\" %u %lld \"-\" \"%s\"\n";
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auto cached_time = get_config()->cached_time;
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rv = snprintf(buf, sizeof(buf), fmt,
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client_ip.c_str(),
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cached_time->c_str(),
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method,
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path,
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major,
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minor,
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status_code,
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(long long int)response_bodylen,
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user_agent);
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if(rv < 0) {
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return;
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}
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auto nwrite = std::min(static_cast<size_t>(rv), sizeof(buf) - 1);
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if(get_config()->accesslog_syslog) {
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syslog(LOG_INFO, "%s", buf);
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return;
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}
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while(write(wconf->accesslog_fd, buf, nwrite) == -1 && errno == EINTR);
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}
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int reopen_log_files()
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{
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int res = 0;
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auto wconf = worker_config;
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if(wconf->accesslog_fd != -1) {
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close(wconf->accesslog_fd);
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wconf->accesslog_fd = -1;
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}
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if(!get_config()->accesslog_syslog && get_config()->accesslog_file) {
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wconf->accesslog_fd =
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util::reopen_log_file(get_config()->accesslog_file.get());
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if(wconf->accesslog_fd == -1) {
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LOG(ERROR) << "Failed to open accesslog file "
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<< get_config()->accesslog_file.get();
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res = -1;
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}
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}
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int new_errorlog_fd = -1;
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if(!get_config()->errorlog_syslog && get_config()->errorlog_file) {
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new_errorlog_fd = util::reopen_log_file(get_config()->errorlog_file.get());
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if(new_errorlog_fd == -1) {
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if(wconf->errorlog_fd != -1) {
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LOG(ERROR) << "Failed to open errorlog file "
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<< get_config()->errorlog_file.get();
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} else {
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std::cerr << "Failed to open errorlog file "
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<< get_config()->errorlog_file.get()
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<< std::endl;
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}
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res = -1;
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}
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}
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if(wconf->errorlog_fd != -1) {
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close(wconf->errorlog_fd);
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wconf->errorlog_fd = -1;
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wconf->errorlog_tty = false;
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}
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if(new_errorlog_fd != -1) {
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wconf->errorlog_fd = new_errorlog_fd;
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wconf->errorlog_tty = isatty(wconf->errorlog_fd);
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}
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return res;
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}
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} // namespace shrpx
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