151 lines
4.5 KiB
C++
151 lines
4.5 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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#ifndef SHRPX_LOG_H
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#define SHRPX_LOG_H
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#include "shrpx.h"
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#include <sys/types.h>
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#include <sstream>
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#include <memory>
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#include <vector>
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#include <chrono>
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#include "shrpx_log_config.h"
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namespace shrpx {
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class Downstream;
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#define ENABLE_LOG 1
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#define LOG_ENABLED(SEVERITY) (ENABLE_LOG && Log::log_enabled(SEVERITY))
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#define LOG(SEVERITY) Log(SEVERITY, __FILE__, __LINE__)
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// Listener log
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#define LLOG(SEVERITY, LISTEN) \
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(Log(SEVERITY, __FILE__, __LINE__) << "[LISTEN:" << LISTEN << "] ")
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// Worker log
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#define WLOG(SEVERITY, WORKER) \
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(Log(SEVERITY, __FILE__, __LINE__) << "[WORKER:" << WORKER << "] ")
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// ClientHandler log
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#define CLOG(SEVERITY, CLIENT_HANDLER) \
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(Log(SEVERITY, __FILE__, __LINE__) << "[CLIENT_HANDLER:" << CLIENT_HANDLER \
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<< "] ")
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// Upstream log
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#define ULOG(SEVERITY, UPSTREAM) \
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(Log(SEVERITY, __FILE__, __LINE__) << "[UPSTREAM:" << UPSTREAM << "] ")
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// Downstream log
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#define DLOG(SEVERITY, DOWNSTREAM) \
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(Log(SEVERITY, __FILE__, __LINE__) << "[DOWNSTREAM:" << DOWNSTREAM << "] ")
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// Downstream connection log
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#define DCLOG(SEVERITY, DCONN) \
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(Log(SEVERITY, __FILE__, __LINE__) << "[DCONN:" << DCONN << "] ")
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// Downstream HTTP2 session log
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#define SSLOG(SEVERITY, HTTP2) \
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(Log(SEVERITY, __FILE__, __LINE__) << "[DHTTP2:" << HTTP2 << "] ")
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enum SeverityLevel { INFO, NOTICE, WARN, ERROR, FATAL };
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class Log {
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public:
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Log(int severity, const char *filename, int linenum);
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~Log();
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template <typename Type> Log &operator<<(Type s) {
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stream_ << s;
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return *this;
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}
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static void set_severity_level(int severity);
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static int set_severity_level_by_name(const char *name);
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static bool log_enabled(int severity) { return severity >= severity_thres_; }
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private:
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std::stringstream stream_;
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const char *filename_;
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int severity_;
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int linenum_;
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static int severity_thres_;
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};
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#define TTY_HTTP_HD (log_config()->errorlog_tty ? "\033[1;34m" : "")
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#define TTY_RST (log_config()->errorlog_tty ? "\033[0m" : "")
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enum LogFragmentType {
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SHRPX_LOGF_NONE,
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SHRPX_LOGF_LITERAL,
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SHRPX_LOGF_REMOTE_ADDR,
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SHRPX_LOGF_TIME_LOCAL,
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SHRPX_LOGF_TIME_ISO8601,
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SHRPX_LOGF_REQUEST,
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SHRPX_LOGF_STATUS,
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SHRPX_LOGF_BODY_BYTES_SENT,
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SHRPX_LOGF_HTTP,
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SHRPX_LOGF_REMOTE_PORT,
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SHRPX_LOGF_SERVER_PORT,
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SHRPX_LOGF_REQUEST_TIME,
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SHRPX_LOGF_PID,
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SHRPX_LOGF_ALPN,
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};
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struct LogFragment {
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LogFragmentType type;
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std::unique_ptr<char[]> value;
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};
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struct LogSpec {
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Downstream *downstream;
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const char *remote_addr;
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const char *method;
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const char *path;
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const char *alpn;
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std::chrono::system_clock::time_point time_now;
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std::chrono::high_resolution_clock::time_point request_start_time;
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std::chrono::high_resolution_clock::time_point request_end_time;
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int major, minor;
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unsigned int status;
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int64_t body_bytes_sent;
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const char *remote_port;
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uint16_t server_port;
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pid_t pid;
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};
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void upstream_accesslog(const std::vector<LogFragment> &lf, LogSpec *lgsp);
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int reopen_log_files();
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void redirect_stderr_to_errorlog();
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} // namespace shrpx
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#endif // SHRPX_LOG_H
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