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/*
* Phusion Passenger - https://www.phusionpassenger.com/
* Copyright (c) 2014-2017 Phusion Holding B.V.
*
* "Passenger", "Phusion Passenger" and "Union Station" are registered
* trademarks of Phusion Holding B.V.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef _PASSENGER_SERVER_KIT_CLIENT_REF_H_
#define _PASSENGER_SERVER_KIT_CLIENT_REF_H_
#include <boost/move/core.hpp>
namespace Passenger {
namespace ServerKit {
template<typename Server, typename Client>
class ClientRef {
private:
BOOST_COPYABLE_AND_MOVABLE(ClientRef);
Client *client;
const char *file;
unsigned int line;
static Server *getServer(Client *client) {
return static_cast<Server *>(
static_cast<typename Server::BaseClass *>(client->getServerBaseClassPointer())
);
}
public:
explicit
ClientRef(Client *_client, const char *_file, unsigned int _line)
: client(_client),
file(_file),
line(_line)
{
if (_client != NULL) {
getServer(_client)->_refClient(_client, _file, _line);
}
}
ClientRef(const ClientRef &ref)
: client(ref.client),
file(ref.file),
line(ref.line)
{
if (ref.client != NULL) {
getServer(ref.client)->_refClient(ref.client, ref.file, ref.line);
}
}
ClientRef(const ClientRef &ref, const char *_file, unsigned int _line)
: client(ref.client),
file(_file),
line(_line)
{
if (ref.client != NULL) {
getServer(ref.client)->_refClient(ref.client, _file, _line);
}
}
explicit
ClientRef(BOOST_RV_REF(ClientRef) ref)
: client(ref.client),
file(ref.file),
line(ref.line)
{
ref.client = NULL;
ref.file = NULL;
ref.line = 0;
}
~ClientRef() {
if (client != NULL) {
getServer(client)->_unrefClient(client, file, line);
}
}
Client *get() const {
return client;
}
ClientRef &operator=(BOOST_COPY_ASSIGN_REF(ClientRef) ref) {
if (this != &ref) {
Client *oldClient = client;
const char *oldFile = file;
unsigned int oldLine = line;
client = ref.client;
file = ref.file;
line = ref.line;
if (client != NULL) {
getServer(client)->_refClient(ref.client, ref.file, ref.line);
}
if (oldClient != NULL) {
getServer(oldClient)->_unrefClient(oldClient, oldFile, oldLine);
}
}
return *this;
}
ClientRef &operator=(BOOST_RV_REF(ClientRef) ref) {
if (this != &ref) {
Client *oldClient = client;
client = ref.client;
file = ref.file;
line = ref.line;
ref.client = NULL;
ref.file = NULL;
ref.line = 0;
if (oldClient != NULL) {
getServer(oldClient)->_unrefClient(oldClient, file, line);
}
}
return *this;
}
};
} // namespace ServerKit
} // namespace Passenger
#endif /* _PASSENGER_SERVER_KIT_CLIENT_REF_H_ */
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