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// Copyright (C) 2014-2017 Bayerische Motoren Werke Aktiengesellschaft (BMW AG)
// 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/.
#ifndef VSOMEIP_UTILITY_HPP
#define VSOMEIP_UTILITY_HPP
#include <memory>
#include <vector>
#include <set>
#include <atomic>
#ifdef _WIN32
#include <stdlib.h>
#define bswap_16(x) _byteswap_ushort(x)
#define bswap_32(x) _byteswap_ulong(x)
#else
#include <byteswap.h>
#endif
#include <vsomeip/enumeration_types.hpp>
#include <vsomeip/message.hpp>
#include "criticalsection.hpp"
#include "../../../implementation/configuration/include/policy.hpp"
namespace vsomeip {
class configuration;
struct policy;
class utility {
public:
static inline bool is_request(std::shared_ptr<message> _message) {
return (_message ? is_request(_message->get_message_type()) : false);
}
static inline bool is_request(byte_t _type) {
return (is_request(static_cast<message_type_e>(_type)));
}
static inline bool is_request(message_type_e _type) {
return ((_type < message_type_e::MT_NOTIFICATION)
|| (_type >= message_type_e::MT_REQUEST_ACK
&& _type <= message_type_e::MT_REQUEST_NO_RETURN_ACK));
}
static inline bool is_request_no_return(std::shared_ptr<message> _message) {
return (_message && is_request_no_return(_message->get_message_type()));
}
static inline bool is_request_no_return(byte_t _type) {
return (is_request_no_return(static_cast<message_type_e>(_type)));
}
static inline bool is_request_no_return(message_type_e _type) {
return (_type == message_type_e::MT_REQUEST_NO_RETURN
|| _type == message_type_e::MT_REQUEST_NO_RETURN_ACK);
}
static inline bool is_response(byte_t _type) {
return is_response(static_cast<message_type_e>(_type));
}
static inline bool is_response(message_type_e _type) {
return _type == message_type_e::MT_RESPONSE;
}
static inline bool is_error(byte_t _type) {
return is_error(static_cast<message_type_e>(_type));
}
static inline bool is_error(message_type_e _type) {
return _type == message_type_e::MT_ERROR;
}
static inline bool is_event(byte_t _data) {
return (0x80 & _data) > 0;
}
static inline bool is_notification(byte_t _type) {
return (is_notification(static_cast<message_type_e>(_type)));
}
static inline bool is_notification(message_type_e _type) {
return (_type == message_type_e::MT_NOTIFICATION);
}
static uint64_t get_message_size(const byte_t *_data, size_t _size);
static inline uint64_t get_message_size(std::vector<byte_t> &_data) {
if (_data.size() > 0) {
return (get_message_size(&_data[0], _data.size()));
}
return 0;
}
static uint32_t get_payload_size(const byte_t *_data, uint32_t _size);
static bool exists(const std::string &_path);
static bool VSOMEIP_IMPORT_EXPORT is_file(const std::string &_path);
static bool VSOMEIP_IMPORT_EXPORT is_folder(const std::string &_path);
static const std::string get_base_path(const std::shared_ptr<configuration> &_config);
static const std::string get_shm_name(const std::shared_ptr<configuration> &_config);
static CriticalSection its_local_configuration_mutex__;
static struct configuration_data_t *the_configuration_data__;
static bool auto_configuration_init(const std::shared_ptr<configuration> &_config);
static void auto_configuration_exit(client_t _client,
const std::shared_ptr<configuration> &_config);
static bool is_routing_manager_host(client_t _client);
static void set_routing_manager_host(client_t _client);
static bool is_used_client_id(client_t _client,
const std::shared_ptr<configuration> &_config);
static client_t request_client_id(const std::shared_ptr<configuration> &_config,
const std::string &_name, client_t _client);
static void release_client_id(client_t _client);
static std::set<client_t> get_used_client_ids();
static inline bool is_valid_message_type(message_type_e _type) {
return (_type == message_type_e::MT_REQUEST
|| _type == message_type_e::MT_REQUEST_NO_RETURN
|| _type == message_type_e::MT_NOTIFICATION
|| _type == message_type_e::MT_REQUEST_ACK
|| _type == message_type_e::MT_REQUEST_NO_RETURN_ACK
|| _type == message_type_e::MT_NOTIFICATION_ACK
|| _type == message_type_e::MT_RESPONSE
|| _type == message_type_e::MT_ERROR
|| _type == message_type_e::MT_RESPONSE_ACK
|| _type == message_type_e::MT_ERROR_ACK
|| _type == message_type_e::MT_UNKNOWN);
}
static inline bool is_valid_return_code(return_code_e _code) {
return (_code == return_code_e::E_OK
|| _code == return_code_e::E_NOT_OK
|| _code == return_code_e::E_UNKNOWN_SERVICE
|| _code == return_code_e::E_UNKNOWN_METHOD
|| _code == return_code_e::E_NOT_READY
|| _code == return_code_e::E_NOT_REACHABLE
|| _code == return_code_e::E_TIMEOUT
|| _code == return_code_e::E_WRONG_PROTOCOL_VERSION
|| _code == return_code_e::E_WRONG_INTERFACE_VERSION
|| _code == return_code_e::E_MALFORMED_MESSAGE
|| _code == return_code_e::E_WRONG_MESSAGE_TYPE);
}
VSOMEIP_EXPORT static bool parse_policy(const byte_t* &_buffer, uint32_t &_buffer_size, uint32_t &_uid, uint32_t &_gid, ::std::shared_ptr<policy> &_policy);
VSOMEIP_EXPORT static bool parse_uid_gid(const byte_t* &_buffer, uint32_t &_buffer_size, uint32_t &_uid, uint32_t &_gid);
private:
static void check_client_id_consistency();
static std::uint16_t get_max_number_of_clients(std::uint16_t _diagnosis_max);
static inline bool parse_range(const byte_t* &_buffer, uint32_t &_buffer_size, uint16_t &_first, uint16_t &_last);
static inline bool parse_id(const byte_t* &_buffer, uint32_t &_buffer_size, uint16_t &_id);
static inline bool get_struct_length(const byte_t* &_buffer, uint32_t &_buffer_size, uint32_t &_length);
static inline bool get_union_length(const byte_t* &_buffer, uint32_t &_buffer_size, uint32_t &_length);
static inline bool get_array_length(const byte_t* &_buffer, uint32_t &_buffer_size, uint32_t &_length);
static inline bool is_range(const byte_t* &_buffer, uint32_t &_buffer_size);
static inline bool parse_id_item(const byte_t* &_buffer, uint32_t& parsed_ids_bytes, ranges_t& its_ranges, uint32_t &_buffer_size);
static std::atomic<std::uint16_t> its_configuration_refs__;
static std::uint16_t* used_client_ids__;
static const uint8_t uid_width_;
static const uint8_t gid_width_;
static const uint8_t id_width_;
static const uint8_t range_width_;
static const uint8_t skip_union_length_ ;
static const uint8_t skip_union_type_ ;
static const uint8_t skip_union_length_type_ ;
static const uint8_t skip_struct_length_;
static const uint8_t skip_array_length_;
};
} // namespace vsomeip
#endif // VSOMEIP_UTILITY_HPP
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