mirror of
https://github.com/emsesp/EMS-ESP32.git
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106 lines
2.5 KiB
C++
106 lines
2.5 KiB
C++
/*
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* uuid-log - Microcontroller logging framework
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* Copyright 2022 Simon Arlott
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <uuid/log.h>
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#include <Arduino.h>
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#include <memory>
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#if UUID_LOG_THREAD_SAFE
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#include <mutex>
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#endif
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namespace uuid {
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namespace log {
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PrintHandler::PrintHandler(::Print & print)
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: print_(print) {
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}
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size_t PrintHandler::maximum_log_messages() const {
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#if UUID_LOG_THREAD_SAFE
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std::lock_guard<std::mutex> lock{mutex_};
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#endif
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return maximum_log_messages_;
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}
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void PrintHandler::maximum_log_messages(size_t count) {
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#if UUID_LOG_THREAD_SAFE
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std::lock_guard<std::mutex> lock{mutex_};
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#endif
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maximum_log_messages_ = std::max((size_t)1, count);
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while (log_messages_.size() > maximum_log_messages_) {
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log_messages_.pop_front();
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}
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}
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void PrintHandler::loop(size_t count) {
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#if UUID_LOG_THREAD_SAFE
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std::unique_lock<std::mutex> lock{mutex_};
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#endif
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count = std::max((size_t)1, count);
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while (!log_messages_.empty()) {
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auto message = log_messages_.front();
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log_messages_.pop_front();
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#if UUID_LOG_THREAD_SAFE
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lock.unlock();
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#endif
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print_.print(uuid::log::format_timestamp_ms(message->uptime_ms, 3).c_str());
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print_.print(' ');
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print_.print(uuid::log::format_level_char(message->level));
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print_.print(" [");
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print_.print(message->name);
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print_.print("] ");
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print_.println(message->text.c_str());
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count--;
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if (count == 0) {
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break;
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}
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::yield();
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#if UUID_LOG_THREAD_SAFE
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lock.lock();
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#endif
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}
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}
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void PrintHandler::operator<<(std::shared_ptr<Message> message) {
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#if UUID_LOG_THREAD_SAFE
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std::lock_guard<std::mutex> lock{mutex_};
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#endif
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if (log_messages_.size() >= maximum_log_messages_) {
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log_messages_.pop_front();
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}
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log_messages_.emplace_back(std::move(message));
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}
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} // namespace log
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} // namespace uuid
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