mirror of
https://github.com/badaix/snapcast.git
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68 lines
2.1 KiB
C++
68 lines
2.1 KiB
C++
/***
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This file is part of snapcast
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Copyright (C) 2014-2020 Johannes Pohl
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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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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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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 <cerrno>
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#include <fcntl.h>
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#include <memory>
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#include <sys/stat.h>
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#include <unistd.h>
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#include "common/aixlog.hpp"
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#include "common/snap_exception.hpp"
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#include "common/str_compat.hpp"
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#include "pipe_stream.hpp"
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using namespace std;
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namespace streamreader
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{
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static constexpr auto LOG_TAG = "PipeStream";
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PipeStream::PipeStream(PcmListener* pcmListener, boost::asio::io_context& ioc, const StreamUri& uri) : PosixStream(pcmListener, ioc, uri)
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{
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umask(0);
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string mode = uri_.getQuery("mode", "create");
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LOG(INFO, LOG_TAG) << "PipeStream mode: " << mode << "\n";
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if ((mode != "read") && (mode != "create"))
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throw SnapException("create mode for fifo must be \"read\" or \"create\"");
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if (mode == "create")
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{
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if ((mkfifo(uri_.path.c_str(), 0666) != 0) && (errno != EEXIST))
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throw SnapException("failed to make fifo \"" + uri_.path + "\": " + cpt::to_string(errno));
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}
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}
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void PipeStream::do_connect()
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{
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int fd = open(uri_.path.c_str(), O_RDONLY | O_NONBLOCK);
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int pipe_size = -1;
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#if !defined(MACOS)
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pipe_size = fcntl(fd, F_GETPIPE_SZ);
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#endif
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LOG(TRACE, LOG_TAG) << "Stream: " << name_ << ", connect to pipe: " << uri_.path << ", fd: " << fd << ", pipe size: " << pipe_size << "\n";
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stream_ = std::make_unique<boost::asio::posix::stream_descriptor>(ioc_, fd);
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on_connect();
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}
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} // namespace streamreader
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