117 lines
3.3 KiB
C++
Executable File
117 lines
3.3 KiB
C++
Executable File
/*
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* ebusd - daemon for communication with eBUS heating systems.
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* Copyright (C) 2016-2023 John Baier <ebusd@ebusd.eu>
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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 "lib/utils/rotatefile.h"
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#include <sys/ioctl.h>
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#include <sys/file.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <cstdlib>
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#include <cstring>
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#include <fstream>
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#include <string>
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#include "lib/utils/clock.h"
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namespace ebusd {
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using std::streamsize;
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RotateFile::~RotateFile() {
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if (m_stream) {
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fclose(m_stream);
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m_stream = nullptr;
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}
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}
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bool RotateFile::setEnabled(bool enabled) {
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if (enabled == m_enabled) {
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return false;
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}
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m_enabled = enabled;
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if (m_stream) {
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fclose(m_stream);
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m_stream = nullptr;
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}
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if (enabled) {
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m_stream = fopen(m_fileName.c_str(), m_textMode ? "w" : "wb");
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m_fileSize = 0;
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#ifdef FORWARD_RAW_TTY
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if (!m_textMode && isatty(fileno(m_stream)) == 1) {
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int fd = fileno(m_stream);
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struct termios newSettings;
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memset(&newSettings, 0, sizeof(newSettings));
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cfsetspeed(&newSettings, B2400);
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newSettings.c_cflag |= (CS8 | CLOCAL);
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newSettings.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG); // non-canonical mode
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newSettings.c_iflag |= IGNPAR; // ignore parity errors
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newSettings.c_oflag &= ~OPOST;
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// activate new settings of serial device
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tcsetattr(fd, TCSANOW, &newSettings);
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}
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#endif
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}
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return true;
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}
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void RotateFile::write(const unsigned char* value, const size_t size, const bool received, const bool bytes) {
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if (!m_enabled || !m_stream) {
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return;
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}
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if (m_textMode) {
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struct timespec ts;
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struct tm td;
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clockGettime(&ts);
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localtime_r(&ts.tv_sec, &td);
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fprintf(m_stream, "%04d-%02d-%02d %02d:%02d:%02d.%03ld ",
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td.tm_year+1900, td.tm_mon+1, td.tm_mday,
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td.tm_hour, td.tm_min, td.tm_sec, ts.tv_nsec/1000000);
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if (bytes) {
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fprintf(m_stream, received ? "<" : ">");
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for (unsigned int pos = 0; pos < size; pos++) {
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fprintf(m_stream, "%2.2x ", value[pos]);
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}
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m_fileSize += 25+3*size+1;
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} else {
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fwrite(value, 1, size, m_stream);
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m_fileSize += size+1;
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}
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fprintf(m_stream, "\n");
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fflush(m_stream);
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} else {
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fwrite(value, (streamsize)size, 1, m_stream);
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m_fileSize += size;
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m_flushSize += size;
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if (m_flushSize >= m_flushBuffer) {
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fflush(m_stream);
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m_flushSize = 0;
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}
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}
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if (m_fileSize >= m_maxSize * 1024LL) {
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string oldfile = string(m_fileName)+".old";
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if (rename(m_fileName.c_str(), oldfile.c_str()) == 0) {
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fclose(m_stream);
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m_stream = fopen(m_fileName.c_str(), m_textMode ? "w" : "wb");
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m_fileSize = 0;
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}
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}
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}
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} // namespace ebusd
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