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/*
* Copyright (C) 2015, 2016 "IoT.bzh"
* Author "Romain Forlot" <romain.forlot@iot.bzh>
*
* 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.
*/
#include <map>
#include <fnmatch.h>
#include "active-diagnostic-request.hpp"
#include "../binding/configuration.hpp"
#define ERROR_PID 0xFF
std::string active_diagnostic_request_t::prefix_ = "diagnostic_messages";
bool active_diagnostic_request_t::operator==(const active_diagnostic_request_t& b)
{
return (bus_ == b.bus_ && id_ == b.id_ && handle_ == b.handle_);
}
active_diagnostic_request_t& active_diagnostic_request_t::operator=(const active_diagnostic_request_t& adr)
{
if (this != &adr)
{
bus_ = adr.bus_;
id_ = adr.id_;
handle_ = adr.handle_;
name_ = adr.name_;
decoder_ = adr.decoder_;
callback_ = adr.callback_;
recurring_ = adr.recurring_;
wait_for_multiple_responses_ = adr.wait_for_multiple_responses_;
frequency_clock_ = adr.frequency_clock_;
timeout_clock_ = adr.timeout_clock_;
socket_ = adr.socket_;
}
return *this;
}
active_diagnostic_request_t::active_diagnostic_request_t()
: bus_{nullptr},
id_{0},
handle_{nullptr},
name_{""},
decoder_{nullptr},
callback_{nullptr},
recurring_{false},
wait_for_multiple_responses_{false},
frequency_clock_{frequency_clock_t()},
timeout_clock_{frequency_clock_t()}
{}
active_diagnostic_request_t::active_diagnostic_request_t(const std::string& bus, DiagnosticRequest* request,
const std::string& name,
bool wait_for_multiple_responses,
const DiagnosticResponseDecoder decoder,
const DiagnosticResponseCallback callback,
float frequencyHz)
: bus_{bus},
id_{request->arbitration_id},
handle_{nullptr},
name_{name},
decoder_{decoder},
callback_{callback},
recurring_{frequencyHz ? true : false},
wait_for_multiple_responses_{wait_for_multiple_responses},
frequency_clock_{frequency_clock_t(frequencyHz)},
timeout_clock_{frequency_clock_t(10)}
{}
active_diagnostic_request_t::~active_diagnostic_request_t()
{
socket_.close();
delete handle_;
handle_ = nullptr;
}
uint32_t active_diagnostic_request_t::get_id() const
{
return id_;
}
uint16_t active_diagnostic_request_t::get_pid() const
{
if (handle_->request.has_pid)
return handle_->request.pid;
return ERROR_PID;
}
DiagnosticRequestHandle* active_diagnostic_request_t::get_handle()
{
return handle_;
}
const std::string active_diagnostic_request_t::get_name() const
{
return name_;
}
std::string& active_diagnostic_request_t::get_prefix()
{
return active_diagnostic_request_t::prefix_;
}
DiagnosticResponseDecoder& active_diagnostic_request_t::get_decoder()
{
return decoder_;
}
DiagnosticResponseCallback& active_diagnostic_request_t::get_callback()
{
return callback_;
}
bool active_diagnostic_request_t::get_recurring() const
{
return recurring_;
}
frequency_clock_t& active_diagnostic_request_t::get_frequency_clock()
{
return frequency_clock_;
}
frequency_clock_t& active_diagnostic_request_t::get_timeout_clock()
{
return timeout_clock_;
}
utils::socketcan_bcm_t& active_diagnostic_request_t::get_socket()
{
return socket_;
}
void active_diagnostic_request_t::set_handle(DiagnosticShims& shims, DiagnosticRequest* request)
{
handle_ = new DiagnosticRequestHandle(generate_diagnostic_request(&shims, request, nullptr));
}
///
/// @brief Check if requested signal name is a diagnostic message. If the name
/// begin with the diagnostic message prefix then true else false.
///
/// @param[in] name - A signal name.
///
/// @return true if name began with the diagnostic message prefix else false.
///
bool active_diagnostic_request_t::is_diagnostic_signal(const std::string& name)
{
const std::string p = active_diagnostic_request_t::prefix_ + "*";
if(::fnmatch(p.c_str(), name.c_str(), FNM_CASEFOLD) == 0)
return true;
return false;
}
/// @brief Returns true if a sufficient response has been received for a
/// diagnostic request.
///
/// This is true when at least one response has been received and the request is
/// configured to not wait for multiple responses. Functional broadcast requests
/// may often wish to wait the full 100ms for modules to respond.
bool active_diagnostic_request_t::response_received() const
{
return !wait_for_multiple_responses_ &&
handle_->completed && handle_->success;
}
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