forked from mia/Aegisub
138 lines
2.8 KiB
C++
138 lines
2.8 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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#include <stdio.h>
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#include <time.h>
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#include <string.h>
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#include "libaegisub/log.h"
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#include "libaegisub/mutex.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 = new LogSink();
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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, const char *file,
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const char *func, int line, 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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}
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SinkMessage::~SinkMessage() {
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///@todo Memory cleanup
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}
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LogSink::LogSink(): emit(0) {
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sink = new Sink();
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}
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LogSink::~LogSink() {
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/// @todo This needs to flush all log data to disk on quit.
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if (emit) {
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for (int i = emitters.size()-1; i >= 0; i--) {
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delete emitters[i];
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}
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}
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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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if (emit) {
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for (int i = emitters.size()-1; i >= 0; i--) {
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emitters[i]->log(sm);
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}
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}
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}
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Emitter::~Emitter() {
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}
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Emitter::Emitter() {
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}
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int LogSink::Subscribe(Emitter &em) {
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emitters.push_back(&em);
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emit = 1;
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/// @todo This won't work since removing it will cause the id's to change,
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/// it's good enough while this is being written.
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return emitters.size();
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}
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void LogSink::Unsubscribe(const int &id) {
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emitters.erase((emitters.begin()-1)+id);
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if (emitters.size() == 0)
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emit = 0;
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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 = new std::ostrstream(buf, len);
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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 = msg->pcount();
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agi::log::log->log(sm);
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delete[] buf;
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delete msg;
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}
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void Emitter::Enable() {
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id = agi::log::log->Subscribe(*(this));
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}
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void Emitter::Disable() {
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agi::log::log->Unsubscribe(id);
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}
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} // namespace log
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} // namespace agi
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