/** * Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see .
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/executor/connection_pool_test_fixture.h"
#include "mongo/stdx/memory.h"
namespace mongo {
namespace executor {
namespace connection_pool_test_details {
TimerImpl::TimerImpl(PoolImpl* global) : _global(global) {}
TimerImpl::~TimerImpl() {
cancelTimeout();
}
void TimerImpl::setTimeout(Milliseconds timeout, TimeoutCallback cb) {
_cb = std::move(cb);
_expiration = _global->now() + timeout;
_timers.emplace(this);
}
void TimerImpl::cancelTimeout() {
_timers.erase(this);
}
void TimerImpl::clear() {
_timers.clear();
}
void TimerImpl::fireIfNecessary() {
auto now = PoolImpl().now();
auto timers = _timers;
for (auto&& x : timers) {
if (_timers.count(x) && (x->_expiration <= now)) {
x->_cb();
}
}
}
std::set TimerImpl::_timers;
ConnectionImpl::ConnectionImpl(const HostAndPort& hostAndPort, size_t generation, PoolImpl* global)
: _hostAndPort(hostAndPort),
_timer(global),
_global(global),
_id(_idCounter++),
_generation(generation) {}
void ConnectionImpl::indicateUsed() {
_lastUsed = _global->now();
}
void ConnectionImpl::indicateSuccess() {
_status = Status::OK();
}
void ConnectionImpl::indicateFailure(Status status) {
_status = std::move(status);
}
void ConnectionImpl::resetToUnknown() {
_status = ConnectionPool::kConnectionStateUnknown;
}
size_t ConnectionImpl::id() const {
return _id;
}
const HostAndPort& ConnectionImpl::getHostAndPort() const {
return _hostAndPort;
}
bool ConnectionImpl::isHealthy() {
return true;
}
void ConnectionImpl::clear() {
_setupQueue.clear();
_refreshQueue.clear();
_pushSetupQueue.clear();
_pushRefreshQueue.clear();
}
void ConnectionImpl::pushSetup(PushSetupCallback status) {
_pushSetupQueue.push_back(status);
if (_setupQueue.size()) {
auto connPtr = _setupQueue.front();
auto callback = _pushSetupQueue.front();
_setupQueue.pop_front();
_pushSetupQueue.pop_front();
auto cb = connPtr->_setupCallback;
cb(connPtr, callback());
}
}
void ConnectionImpl::pushSetup(Status status) {
pushSetup([status]() { return status; });
}
size_t ConnectionImpl::setupQueueDepth() {
return _setupQueue.size();
}
void ConnectionImpl::pushRefresh(PushRefreshCallback status) {
_pushRefreshQueue.push_back(status);
if (_refreshQueue.size()) {
auto connPtr = _refreshQueue.front();
auto callback = _pushRefreshQueue.front();
_refreshQueue.pop_front();
_pushRefreshQueue.pop_front();
auto cb = connPtr->_refreshCallback;
cb(connPtr, callback());
}
}
void ConnectionImpl::pushRefresh(Status status) {
pushRefresh([status]() { return status; });
}
size_t ConnectionImpl::refreshQueueDepth() {
return _refreshQueue.size();
}
Date_t ConnectionImpl::getLastUsed() const {
return _lastUsed;
}
const Status& ConnectionImpl::getStatus() const {
return _status;
}
void ConnectionImpl::setTimeout(Milliseconds timeout, TimeoutCallback cb) {
_timer.setTimeout(timeout, cb);
}
void ConnectionImpl::cancelTimeout() {
_timer.cancelTimeout();
}
void ConnectionImpl::setup(Milliseconds timeout, SetupCallback cb) {
_setupCallback = std::move(cb);
_timer.setTimeout(timeout, [this] {
_setupCallback(this, Status(ErrorCodes::NetworkInterfaceExceededTimeLimit, "timeout"));
});
_setupQueue.push_back(this);
if (_pushSetupQueue.size()) {
auto connPtr = _setupQueue.front();
auto callback = _pushSetupQueue.front();
_setupQueue.pop_front();
_pushSetupQueue.pop_front();
auto refreshCb = connPtr->_setupCallback;
refreshCb(connPtr, callback());
}
}
void ConnectionImpl::refresh(Milliseconds timeout, RefreshCallback cb) {
_refreshCallback = std::move(cb);
_timer.setTimeout(timeout, [this] {
_refreshCallback(this, Status(ErrorCodes::NetworkInterfaceExceededTimeLimit, "timeout"));
});
_refreshQueue.push_back(this);
if (_pushRefreshQueue.size()) {
auto connPtr = _refreshQueue.front();
auto callback = _pushRefreshQueue.front();
_refreshQueue.pop_front();
_pushRefreshQueue.pop_front();
auto refreshCb = connPtr->_refreshCallback;
refreshCb(connPtr, callback());
}
}
size_t ConnectionImpl::getGeneration() const {
return _generation;
}
std::deque ConnectionImpl::_pushSetupQueue;
std::deque ConnectionImpl::_pushRefreshQueue;
std::deque ConnectionImpl::_setupQueue;
std::deque ConnectionImpl::_refreshQueue;
size_t ConnectionImpl::_idCounter = 1;
std::unique_ptr PoolImpl::makeConnection(
const HostAndPort& hostAndPort, size_t generation) {
return stdx::make_unique(hostAndPort, generation, this);
}
std::unique_ptr PoolImpl::makeTimer() {
return stdx::make_unique(this);
}
Date_t PoolImpl::now() {
return _now.get_value_or(Date_t::now());
}
void PoolImpl::setNow(Date_t now) {
_now = now;
TimerImpl::fireIfNecessary();
}
boost::optional PoolImpl::_now;
} // namespace connection_pool_test_details
} // namespace executor
} // namespace mongo