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/*
* Copyright (c) 2000 - 2015 Samsung Electronics Co., Ltd All Rights Reserved
*
* Contact: Bumjin Im <bj.im@samsung.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
/*
* @file socket-manager.h
* @author Bartlomiej Grzelewski (b.grzelewski@samsung.com)
* @author Zofia Abramowska (z.abramowska@samsung.com)
* @version 1.0
* @brief SocketManager implementation.
*/
#ifndef _CENT_KEY_MNG_SOCKET_MANAGER_
#define _CENT_KEY_MNG_SOCKET_MANAGER_
#include <vector>
#include <queue>
#include <string>
#include <mutex>
#include <thread>
#include <functional>
#include <ctime>
#include <dpl/exception.h>
#include <generic-socket-manager.h>
#include <service-messages.h>
namespace CKM {
class Cynara;
class SocketManager : public GenericSocketManager {
public:
class Exception {
public:
DECLARE_EXCEPTION_TYPE(CKM::Exception, Base)
DECLARE_EXCEPTION_TYPE(Base, InitFailed)
};
SocketManager();
virtual ~SocketManager();
virtual void MainLoop();
virtual void MainLoopStop();
virtual void CynaraSocket(int oldFd, int newFd, bool isRW);
void SecurityStatus(int sock, int counter, bool allowed);
virtual void RegisterSocketService(GenericSocketService *service);
virtual void Close(ConnectionID connectionID);
virtual void Write(ConnectionID connectionID, const RawBuffer &rawBuffer);
virtual void SecurityCheck(ConnectionID connectionID);
protected:
void CreateDomainSocket(
GenericSocketService *service,
const GenericSocketService::ServiceDescription &desc);
int CreateDomainSocketHelp(
const GenericSocketService::ServiceDescription &desc);
int GetSocketFromSystemD(
const GenericSocketService::ServiceDescription &desc);
void ReadyForRead(int sock);
void ReadyForWrite(int sock);
void ReadyForAccept(int sock);
void ProcessQueue(void);
void NotifyMe(void);
void CloseSocket(int sock);
struct SocketDescription {
bool isOpen()
{
return m_flags & OPEN;
}
bool isListen()
{
return m_flags & LISTEN;
}
bool isCynara()
{
return m_flags & CYNARA;
}
bool isTimeout()
{
return m_flags & TIMEOUT;
}
void setOpen(bool isSet)
{
isSet ? m_flags |= OPEN : m_flags &= ~OPEN;
}
void setListen(bool isSet)
{
isSet ? m_flags |= LISTEN : m_flags &= ~LISTEN;
}
void setCynara(bool isSet)
{
isSet ? m_flags |= CYNARA : m_flags &= ~CYNARA;
}
void setTimeout(bool isSet)
{
isSet ? m_flags |= TIMEOUT : m_flags &= ~TIMEOUT;
}
InterfaceID interfaceID;
GenericSocketService *service;
time_t timeout;
RawBuffer rawBuffer;
int counter;
std::string cynaraPrivilege;
std::string cynaraUser;
std::string cynaraClient;
SocketDescription() :
interfaceID(-1),
service(nullptr),
timeout(::time(nullptr)),
counter(0),
m_flags(0) {}
private:
static const char LISTEN = 1 << 0;
static const char OPEN = 1 << 1;
static const char CYNARA = 1 << 2;
static const char TIMEOUT = 1 << 3;
int m_flags;
};
SocketDescription &CreateDefaultReadSocketDescription(int sock, bool timeout);
typedef std::vector<SocketDescription> SocketDescriptionVector;
// support for generic event Queue
typedef std::function<void(void)> EventFunction;
template <typename E>
void AddEvent(E event)
{
CreateEvent([this, event]() {
this->Handle(event);
});
}
void CreateEvent(EventFunction fun);
struct WriteEvent {
ConnectionID connectionID;
RawBuffer rawBuffer;
};
struct CloseEvent : public ConnectionID {};
struct SecurityEvent : public ConnectionID {};
void Handle(const WriteEvent &event);
void Handle(const CloseEvent &event);
void Handle(const SecurityEvent &event);
// support for generic event Queue
struct Timeout {
time_t time;
int sock;
bool operator<(const Timeout &second) const
{
return time > second.time; // mininum first!
}
};
SocketDescriptionVector m_socketDescriptionVector;
fd_set m_readSet;
fd_set m_writeSet;
int m_maxDesc;
bool m_working;
std::mutex m_eventQueueMutex;
std::queue<EventFunction> m_eventQueue;
int m_notifyMe[2];
int m_counter;
std::priority_queue<Timeout> m_timeoutQueue;
CommMgr m_commMgr;
std::unique_ptr<Cynara> m_cynara;
std::vector<GenericSocketService *> m_serviceVector;
};
} // namespace CKM
#endif // _CENT_KEY_MNG_SOCKET_MANAGER_
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