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/*
* Copyright (c) 2000 - 2019 Samsung Electronics Co., Ltd All Rights Reserved
*
* 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 client-common.h
* @author Bartlomiej Grzelewski (b.grzelewski@samsung.com)
* @version 1.0
* @brief This file contains implementation of common types
* used in Central Key Manager.
*/
#ifndef _KEY_MANAGER_CLIENT_
#define _KEY_MANAGER_CLIENT_
#include <unistd.h>
#include <vector>
#include <functional>
#include <noncopyable.h>
#include <ckm/ckm-type.h>
#include <ckmc/ckmc-error.h>
#include <message-buffer.h>
#include <protocols.h>
#define EXCEPTION_GUARD_START_CPPAPI return CKM::try_catch([&]()->int {
#define EXCEPTION_GUARD_START_CAPI return CKM::try_catch_enclosure([&]()->int {
#define EXCEPTION_GUARD_END });
extern "C" {
struct msghdr;
struct ckmc_alias_info_s {
char* alias;
bool is_password_protected;
};
}
namespace CKM {
class AliasSupport {
public:
AliasSupport(const Alias &alias);
const ClientId &getOwner() const;
const Name &getName() const;
bool isOwnerEmpty() const;
static Alias merge(const ClientId &owner, const Name &alias);
private:
Name m_name;
ClientId m_owner;
};
class SockRAII {
public:
SockRAII();
NONCOPYABLE(SockRAII);
virtual ~SockRAII();
int connect(const char *interface);
void disconnect();
bool isConnected() const;
int get() const;
int waitForSocket(int event, int timeout);
protected:
int connectWrapper(int socket, const char *interface);
int m_sock;
};
class ServiceConnection {
public:
ServiceConnection(const char *service_interface);
// roundtrip: send and receive
int processRequest(const CKM::RawBuffer &send_buf,
CKM::MessageBuffer &recv_buf);
// blocking
int send(const CKM::RawBuffer &send_buf);
int receive(CKM::MessageBuffer &recv_buf);
virtual ~ServiceConnection();
protected:
int prepareConnection();
SockRAII m_socket;
std::string m_serviceInterface;
};
/*
* Decorator function that performs frequently repeated exception handling in
* SS client API functions. Accepts lambda expression as an argument.
*/
// for c++ api layer
int try_catch(const std::function<int()> &func);
// for c api layer
int try_catch_enclosure(const std::function<int()> &func);
// for c++ async api layer
void try_catch_async(const std::function<void()> &func,
const std::function<void(int)> &error);
} // namespace CKM
#endif // _KEY_MANAGER_CLIENT_
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