171 lines
4 KiB
C++
171 lines
4 KiB
C++
// Copyright (c) 2010, Amar Takhar <verm@aegisub.org>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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// $Id$
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/// @file log.cpp
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/// @brief Logging
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/// @ingroup libaegisub
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#ifndef AGI_PRE
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#include <stdio.h>
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#include <string.h>
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#include <algorithm>
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#include <functional>
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#include <memory>
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#endif
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#include "libaegisub/cajun/elements.h"
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#include "libaegisub/cajun/writer.h"
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#include "libaegisub/io.h"
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#include "libaegisub/log.h"
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#include "libaegisub/types.h"
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#include "libaegisub/util.h"
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namespace agi {
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namespace log {
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/// Global log sink.
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LogSink *log;
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/// Short Severity ID
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/// Keep this ordered the same as Severity
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const char *Severity_ID = "EAWID";
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SinkMessage::SinkMessage(const char *section, Severity severity,
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const char *file, const char *func, int line,
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agi_timeval tv)
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: section(section)
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, severity(severity)
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, file(file)
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, func(func)
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, line(line)
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, tv(tv)
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, message(NULL)
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, len(0)
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{
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}
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SinkMessage::~SinkMessage() {
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delete message;
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}
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LogSink::LogSink(const std::string dir_log): dir_log(dir_log) {
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util::time_log(time_start);
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}
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/// @todo The log files need to be trimed after N amount.
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LogSink::~LogSink() {
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json::Object root;
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json::Array array;
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agi_timeval time_close;
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util::time_log(time_close);
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std::stringstream str;
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str << dir_log << time_start.tv_sec << ".json";
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io::Save file(str.str());
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for (unsigned int i=0; i < sink.size(); i++) {
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json::Object entry;
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entry["sec"] = json::Number(sink[i]->tv.tv_sec);
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entry["usec"] = json::Number(sink[i]->tv.tv_usec);
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entry["severity"] = json::Number(sink[i]->severity),
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entry["section"] = json::String(sink[i]->section);
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entry["file"] = json::String(sink[i]->file);
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entry["func"] = json::String(sink[i]->func);
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entry["line"] = json::Number(sink[i]->line);
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entry["message"] = json::String(std::string(sink[i]->message, sink[i]->len));
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array.Insert(entry);
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}
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json::Array timeval_open;
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timeval_open.Insert(json::Number(time_start.tv_sec));
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timeval_open.Insert(json::Number(time_start.tv_usec));
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root["timeval"]["open"] = timeval_open;
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json::Array timeval_close;
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timeval_close.Insert(json::Number(time_close.tv_sec));
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timeval_close.Insert(json::Number(time_close.tv_usec));
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root["timeval"]["close"] = timeval_close;
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root["log"] = array;
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json::Writer::Write(root, file.Get());
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agi::util::delete_clear(sink);
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}
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void LogSink::log(SinkMessage *sm) {
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sink.push_back(sm);
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std::for_each(
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emitters.begin(),
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emitters.end(),
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std::bind2nd(std::mem_fun(&Emitter::log), sm));
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}
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void LogSink::Subscribe(Emitter *em) {
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LOG_D("agi/log/emitter/subscribe") << "Subscribe: " << this;
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emitters.push_back(em);
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}
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void LogSink::Unsubscribe(Emitter *em) {
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emitters.erase(std::remove(emitters.begin(), emitters.end(), em), emitters.end());
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LOG_D("agi/log/emitter/unsubscribe") << "Un-Ssubscribe: " << this;
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}
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Message::Message(const char *section,
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Severity severity,
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const char *file,
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const char *func,
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int line)
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: len(1024)
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, buf(new char[len])
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, msg(buf, len)
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{
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agi_timeval tv;
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util::time_log(tv);
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sm = new SinkMessage(section, severity, file, func, line, tv);
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}
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Message::~Message() {
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sm->message = msg.str();
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sm->len = (size_t)msg.pcount();
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agi::log::log->log(sm);
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}
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Emitter::Emitter() {
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}
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Emitter::~Emitter() {
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Disable();
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}
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void Emitter::Enable() {
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agi::log::log->Subscribe(this);
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}
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void Emitter::Disable() {
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agi::log::log->Unsubscribe(this);
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}
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} // namespace log
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} // namespace agi
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