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Atmosphere/libraries/libstratosphere/source/diag/diag_log.cpp
SciresM e9849c74cf
LogManager: implement system module, client api, logging api (#1617)
Some notes:

* Unless `atmosphere!enable_log_manager` is true, Nintendo's log manager will be used instead.
  * This prevents paying memory costs for LM when not enabling logging.
  * To facilitate this, Atmosphere's log manager has a different program id from Nintendo's.
  * `atmosphere!enable_htc` implies `atmosphere!enable_log_manager`.
* LogManager logs to tma, and the SD card (if `lm!enable_sd_card_logging` is true, which it is by default).
* Binary logs are saved to `lm!sd_card_log_output_directory`, which is `atmosphere/binlogs` by default.
2021-09-11 19:32:14 -07:00

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C++

/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "diag_log_impl.hpp"
namespace ams::diag::impl {
void CallAllLogObserver(const LogMetaData &meta, const LogBody &body);
namespace {
struct CallPrintDebugString {
void operator()(const LogMetaData &meta, const char *msg, size_t size, bool head, bool tail) {
const LogBody body = {
.message = msg,
.message_size = size,
.is_head = head,
.is_tail = tail
};
CallAllLogObserver(meta, body);
}
};
}
void LogImpl(const LogMetaData &meta, const char *fmt, ...) {
std::va_list vl;
va_start(vl, fmt);
VLogImpl(meta, fmt, vl);
va_end(vl);
}
void VLogImpl(const LogMetaData &meta, const char *fmt, std::va_list vl) {
/* Print to stack buffer. */
char msg_buffer[DebugPrintBufferLength];
/* TODO: VFormatString using utf-8 printer. */
const size_t len = util::VSNPrintf(msg_buffer, sizeof(msg_buffer), fmt, vl);
/* Call log observer. */
CallPrintDebugString()(meta, msg_buffer, len, true, true);
}
void PutImpl(const LogMetaData &meta, const char *msg, size_t msg_size) {
CallPrintDebugString()(meta, msg, msg_size, true, true);
}
}