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// Copyright (C) 2018-2020 Internet Systems Consortium, Inc. ("ISC")
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
#include <config.h>
#include <util/watched_thread.h>
namespace isc {
namespace util {
void
WatchedThread::start(const boost::function<void()>& thread_main) {
clearReady(ERROR);
clearReady(READY);
clearReady(TERMINATE);
setErrorInternal("no error");
thread_.reset(new std::thread(thread_main));
}
int
WatchedThread::getWatchFd(WatchType watch_type) {
return(sockets_[watch_type].getSelectFd());
}
void
WatchedThread::markReady(WatchType watch_type) {
sockets_[watch_type].markReady();
}
bool
WatchedThread::isReady(WatchType watch_type) {
return (sockets_[watch_type].isReady());
}
void
WatchedThread::clearReady(WatchType watch_type) {
sockets_[watch_type].clearReady();
}
bool
WatchedThread::shouldTerminate() {
if (sockets_[TERMINATE].isReady()) {
clearReady(TERMINATE);
return (true);
}
return (false);
}
void
WatchedThread::stop() {
if (thread_) {
markReady(TERMINATE);
thread_->join();
thread_.reset();
}
clearReady(ERROR);
clearReady(READY);
setErrorInternal("thread stopped");
}
void
WatchedThread::setErrorInternal(const std::string& error_msg) {
std::lock_guard<std::mutex> lock(mutex_);
last_error_ = error_msg;
}
void
WatchedThread::setError(const std::string& error_msg) {
setErrorInternal(error_msg);
markReady(ERROR);
}
std::string
WatchedThread::getLastError() {
std::lock_guard<std::mutex> lock(mutex_);
return (last_error_);
}
} // namespace util
} // namespace isc
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