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/*
* Copyright (c) 2014, Ford Motor Company
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following
* disclaimer in the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of the Ford Motor Company nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "media_manager/pipe_streamer_adapter.h"
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#include "utils/file_system.h"
#include "utils/logger.h"
namespace media_manager {
CREATE_LOGGERPTR_GLOBAL(logger_, "PipeStreamerAdapter")
PipeStreamerAdapter::PipeStreamerAdapter(const std::string& named_pipe_path,
const std::string& app_storage_folder)
: StreamerAdapter(
new PipeStreamer(this, named_pipe_path, app_storage_folder)) {}
PipeStreamerAdapter::~PipeStreamerAdapter() {}
PipeStreamerAdapter::PipeStreamer::PipeStreamer(
PipeStreamerAdapter* const adapter,
const std::string& named_pipe_path,
const std::string& app_storage_folder)
: Streamer(adapter)
, named_pipe_path_(named_pipe_path)
, app_storage_folder_(app_storage_folder)
, pipe_fd_(0) {
if (!file_system::CreateDirectoryRecursively(app_storage_folder_)) {
LOG4CXX_ERROR(logger_,
"Cannot create app storage folder " << app_storage_folder_);
return;
}
if ((mkfifo(named_pipe_path_.c_str(), S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) <
0) &&
(errno != EEXIST)) {
LOG4CXX_ERROR(logger_, "Cannot create pipe " << named_pipe_path_);
} else {
LOG4CXX_INFO(logger_,
"Pipe " << named_pipe_path_ << " was successfully created");
}
}
PipeStreamerAdapter::PipeStreamer::~PipeStreamer() {
if (0 == unlink(named_pipe_path_.c_str())) {
LOG4CXX_INFO(logger_, "Pipe " << named_pipe_path_ << " was removed");
} else {
LOG4CXX_ERROR(logger_, "Error removing pipe " << named_pipe_path_);
}
}
bool PipeStreamerAdapter::PipeStreamer::Connect() {
LOG4CXX_AUTO_TRACE(logger_);
pipe_fd_ = open(named_pipe_path_.c_str(), O_RDWR, 0);
if (-1 == pipe_fd_) {
LOG4CXX_ERROR(logger_, "Cannot open pipe for writing " << named_pipe_path_);
return false;
}
LOG4CXX_INFO(
logger_,
"Pipe " << named_pipe_path_ << " was successfuly opened for writing");
return true;
}
void PipeStreamerAdapter::PipeStreamer::Disconnect() {
LOG4CXX_AUTO_TRACE(logger_);
if (0 == close(pipe_fd_)) {
LOG4CXX_INFO(logger_, "Pipe " << named_pipe_path_ << " was closed");
} else {
LOG4CXX_ERROR(logger_, "Error closing pipe " << named_pipe_path_);
}
}
bool PipeStreamerAdapter::PipeStreamer::Send(
protocol_handler::RawMessagePtr msg) {
LOG4CXX_AUTO_TRACE(logger_);
ssize_t ret = write(pipe_fd_, msg->data(), msg->data_size());
if (-1 == ret) {
LOG4CXX_ERROR(logger_, "Failed writing data to pipe " << named_pipe_path_);
return false;
}
if (static_cast<uint32_t>(ret) != msg->data_size()) {
LOG4CXX_WARN(logger_,
"Couldn't write all the data to pipe " << named_pipe_path_);
}
LOG4CXX_INFO(logger_, "Streamer::sent " << msg->data_size());
return true;
}
} // namespace media_manager
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