106 lines
2.5 KiB
C++
106 lines
2.5 KiB
C++
/* XMRig
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* Copyright (c) 2018-2021 SChernykh <https://github.com/SChernykh>
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* Copyright (c) 2016-2021 XMRig <https://github.com/xmrig>, <support@xmrig.com>
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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 "base/io/log/FileLogWriter.h"
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#include "base/io/Env.h"
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#include <cassert>
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#include <uv.h>
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namespace xmrig {
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static void fsWriteCallback(uv_fs_t *req)
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{
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delete [] static_cast<char *>(req->data);
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uv_fs_req_cleanup(req);
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delete req;
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}
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} // namespace xmrig
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bool xmrig::FileLogWriter::open(const char *fileName)
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{
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assert(fileName != nullptr);
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if (!fileName) {
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return false;
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}
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uv_fs_t req{};
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const auto path = Env::expand(fileName);
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m_file = uv_fs_open(uv_default_loop(), &req, path, O_CREAT | O_WRONLY, 0644, nullptr);
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if (req.result < 0 || !isOpen()) {
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uv_fs_req_cleanup(&req);
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m_file = -1;
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return false;
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}
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uv_fs_req_cleanup(&req);
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uv_fs_stat(uv_default_loop(), &req, path, nullptr);
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m_pos = req.statbuf.st_size;
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uv_fs_req_cleanup(&req);
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return true;
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}
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bool xmrig::FileLogWriter::write(const char *data, size_t size)
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{
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if (!isOpen()) {
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return false;
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}
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uv_buf_t buf = uv_buf_init(new char[size], size);
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memcpy(buf.base, data, size);
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auto req = new uv_fs_t;
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req->data = buf.base;
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uv_fs_write(uv_default_loop(), req, m_file, &buf, 1, m_pos, fsWriteCallback);
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m_pos += size;
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return true;
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}
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bool xmrig::FileLogWriter::writeLine(const char *data, size_t size)
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{
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const uv_buf_t buf[2] = {
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uv_buf_init(new char[size], size),
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uv_buf_init((char*)m_endl, sizeof(m_endl) - 1)
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};
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memcpy(buf[0].base, data, size);
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auto req = new uv_fs_t;
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req->data = buf[0].base;
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uv_fs_write(uv_default_loop(), req, m_file, buf, 2, m_pos, fsWriteCallback);
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m_pos += (buf[0].len + buf[1].len);
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return true;
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}
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