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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 <sys/netmgr.h>
#include "utils/threads/pulse_thread_delegate.h"
#include "utils/logger.h"
namespace threads {
CREATE_LOGGERPTR_GLOBAL(logger_, "Utils")
PulseThreadDelegate::PulseThreadDelegate() : run_(false) {
LOG4CXX_TRACE(logger_, "Creating QNX channel");
chid_ = ChannelCreate(0);
if (chid_ == -1) {
LOG4CXX_ERROR(logger_, "Failed to create QNX channel");
return;
}
LOG4CXX_DEBUG(logger_, "Created QNX channel " << chid_);
LOG4CXX_TRACE(logger_, "Connecting to QNX channel " << chid_);
coid_ = ConnectAttach(ND_LOCAL_NODE, 0, chid_, _NTO_SIDE_CHANNEL, 0);
if (coid_ == -1) {
LOG4CXX_ERROR(logger_, "Failed to connect to QNX channel " << chid_);
return;
}
LOG4CXX_DEBUG(logger_, "Connected to QNX channel " << chid_);
run_ = true;
}
void PulseThreadDelegate::threadMain() {
if (!Init()) {
LOG4CXX_ERROR(logger_, "Failed to initialize thread for QNX channel " << chid_);
return;
}
while (run_) {
struct sigevent event;
SIGEV_PULSE_INIT(&event, coid_, SIGEV_PULSE_PRIO_INHERIT, PULSE_CODE, 0);
if (ArmEvent(&event)) {
struct _pulse pulse;
LOG4CXX_INFO(logger_, "Waiting for pulse on QNX channel " << chid_);
if (MsgReceivePulse(chid_, &pulse, sizeof(pulse), 0) != -1) {
LOG4CXX_INFO(logger_, "Received pulse on QNX channel " << chid_);
switch (pulse.code) {
case PULSE_CODE:
OnPulse();
break;
}
}
else {
if (run_) {
LOG4CXX_WARN(logger_, "Error occurred while waiting for pulse on QNX channel " << chid_);
}
else {
LOG4CXX_INFO(logger_, "QNX channel " << chid_ << " is apparently destroyed");
}
}
}
}
Finalize();
}
void PulseThreadDelegate::exitThreadMain() {
run_ = false;
LOG4CXX_TRACE(logger_, "Disconnecting from QNX channel " << chid_);
if (ConnectDetach(coid_) != -1) {
LOG4CXX_DEBUG(logger_, "Disconnected from QNX channel " << chid_);
}
else {
LOG4CXX_WARN(logger_, "Failed to disconnect from QNX channel " << chid_);
}
LOG4CXX_TRACE(logger_, "Destroying QNX channel " << chid_);
if (ChannelDestroy(chid_) != -1) { // unblocks MsgReceivePulse()
LOG4CXX_DEBUG(logger_, "QNX channel " << chid_ << " destroyed");
}
else {
LOG4CXX_WARN(logger_, "Failed to destroy QNX channel " << chid_);
}
}
} // namespace threads
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