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/*
* Copyright (c) 2013, 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 <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <unistd.h>
#include "utils/logger.h"
#include "utils/file_system.h"
#include "config_profile/profile.h"
#include "media_manager/pipe_streamer_adapter.h"
namespace media_manager {
CREATE_LOGGERPTR_GLOBAL(logger, "PipeStreamerAdapter")
PipeStreamerAdapter::PipeStreamerAdapter()
: is_ready_(false),
thread_(NULL),
messages_() {
LOG4CXX_INFO(logger, "PipeStreamerAdapter::PipeStreamerAdapter");
}
PipeStreamerAdapter::~PipeStreamerAdapter() {
LOG4CXX_INFO(logger, "PipeStreamerAdapter::~PipeStreamerAdapter");
if ((0 != current_application_ ) && (is_ready_)) {
StopActivity(current_application_);
}
thread_->stop();
}
void PipeStreamerAdapter::SendData(
int32_t application_key,
const ::protocol_handler::RawMessagePtr message) {
LOG4CXX_INFO(logger, "PipeStreamerAdapter::SendData");
if (application_key != current_application_) {
LOG4CXX_WARN(logger, "Wrong application " << application_key);
return;
}
if (is_ready_) {
messages_.push(message);
}
}
void PipeStreamerAdapter::StartActivity(int32_t application_key) {
LOG4CXX_INFO(logger, "PipeStreamerAdapter::StartActivity");
if (application_key == current_application_) {
LOG4CXX_WARN(logger, "Already started activity for " << application_key);
return;
}
current_application_ = application_key;
is_ready_ = true;
for (std::set<MediaListenerPtr>::iterator it = media_listeners_.begin();
media_listeners_.end() != it;
++it) {
(*it)->OnActivityStarted(application_key);
}
LOG4CXX_TRACE(logger, "Pipe was opened for writing " << named_pipe_path_);
}
void PipeStreamerAdapter::StopActivity(int32_t application_key) {
LOG4CXX_INFO(logger, "PipeStreamerAdapter::StopActivity");
if (application_key != current_application_) {
LOG4CXX_WARN(logger, "Not performing activity for " << application_key);
return;
}
is_ready_ = false;
current_application_ = 0;
for (std::set<MediaListenerPtr>::iterator it = media_listeners_.begin();
media_listeners_.end() != it;
++it) {
(*it)->OnActivityEnded(application_key);
}
}
bool PipeStreamerAdapter::is_app_performing_activity(
int32_t application_key) {
return (application_key == current_application_);
}
void PipeStreamerAdapter::Init() {
if (!thread_) {
LOG4CXX_INFO(logger, "Create and start sending thread");
thread_ = threads::CreateThread("PipeStreamer", new Streamer(this));
const size_t kStackSize = 16384;
thread_->startWithOptions(threads::ThreadOptions(kStackSize));
}
}
PipeStreamerAdapter::Streamer::Streamer(
PipeStreamerAdapter* server)
: server_(server),
pipe_fd_(0),
stop_flag_(false) {
}
PipeStreamerAdapter::Streamer::~Streamer() {
server_ = NULL;
}
void PipeStreamerAdapter::Streamer::threadMain() {
LOG4CXX_INFO(logger, "Streamer::threadMain");
open();
while (!stop_flag_) {
while (!server_->messages_.empty()) {
::protocol_handler::RawMessagePtr msg = server_->messages_.pop();
if (!msg) {
LOG4CXX_ERROR(logger, "Null pointer message");
continue;
}
ssize_t ret = write(pipe_fd_, msg.get()->data(),
msg.get()->data_size());
if (ret == -1) {
LOG4CXX_ERROR(logger, "Failed writing data to pipe "
<< server_->named_pipe_path_);
std::set<MediaListenerPtr>::iterator it =
server_->media_listeners_.begin();
for (;server_->media_listeners_.end() != it; ++it) {
(*it)->OnErrorReceived(server_->current_application_, -1);
}
} else if (static_cast<uint32_t>(ret) != msg.get()->data_size()) {
LOG4CXX_WARN(logger, "Couldn't write all the data to pipe "
<< server_->named_pipe_path_);
}
static int32_t messsages_for_session = 0;
++messsages_for_session;
LOG4CXX_INFO(logger, "Handling map streaming message. This is "
<< messsages_for_session << " the message for "
<< server_->current_application_);
std::set<MediaListenerPtr>::iterator it =
server_->media_listeners_.begin();
for (; server_->media_listeners_.end() != it; ++it) {
(*it)->OnDataReceived(server_->current_application_,
messsages_for_session);
}
}
server_->messages_.wait();
}
close();
}
bool PipeStreamerAdapter::Streamer::exitThreadMain() {
LOG4CXX_INFO(logger, "Streamer::exitThreadMain");
stop_flag_ = true;
server_->messages_.Shutdown();
return false;
}
void PipeStreamerAdapter::Streamer::open() {
LOG4CXX_INFO(logger, "Streamer::open() " << server_->named_pipe_path_.c_str());
DCHECK(file_system::CreateDirectoryRecursively(
profile::Profile::instance()->app_storage_folder()));
if ((mkfifo(server_->named_pipe_path_.c_str(),
S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH) < 0)
&& (errno != EEXIST)) {
LOG4CXX_ERROR(logger, "Cannot create pipe " << server_->named_pipe_path_);
return;
}
pipe_fd_ = ::open(server_->named_pipe_path_.c_str(), O_RDWR, 0);
if (-1 == pipe_fd_) {
LOG4CXX_ERROR(logger, "Cannot open pipe for writing "
<< server_->named_pipe_path_);
return;
}
LOG4CXX_TRACE(logger, "Pipe " << server_->named_pipe_path_
<< " was successfully created");
}
void PipeStreamerAdapter::Streamer::close() {
::close(pipe_fd_);
unlink(server_->named_pipe_path_.c_str());
}
} // namespace media_manager
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