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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 "active-diagnostic-request.hpp"
bool active_diagnostic_request_t::operator==(const active_diagnostic_request_t& b)
{
return (bus_ == b.bus_ && id_ == b.id_ && handle_ == b.handle_) ? true : false;
}
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_;
in_flight_ = adr.in_flight_;
frequency_clock_ = adr.frequency_clock_;
timeout_clock_ = adr.timeout_clock_;
}
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},
in_flight_{false}, frequency_clock_{frequency_clock_t()}, timeout_clock_{frequency_clock_t()}
{}
active_diagnostic_request_t::active_diagnostic_request_t(std::shared_ptr<can_bus_dev_t> 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},
in_flight_{false}, frequency_clock_{frequency_clock_t(frequencyHz)}, timeout_clock_{frequency_clock_t(10)}
{}
uint32_t active_diagnostic_request_t::get_id() const
{
return id_;
}
std::shared_ptr<can_bus_dev_t> active_diagnostic_request_t::get_can_bus_dev()
{
return bus_;
}
DiagnosticRequestHandle* active_diagnostic_request_t::get_handle()
{
return handle_;
}
bool active_diagnostic_request_t::get_recurring() const
{
return recurring_;
}
bool active_diagnostic_request_t::get_in_flight() const
{
return in_flight_;
}
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_;
}
void active_diagnostic_request_t::set_handle(DiagnosticShims& shims, DiagnosticRequest* request)
{
handle_ = new DiagnosticRequestHandle(generate_diagnostic_request(&shims, request, nullptr));
}
void active_diagnostic_request_t::set_in_flight(bool val)
{
in_flight_ = val;
}
bool active_diagnostic_request_t::should_send()
{
return !get_in_flight() && (
(!get_recurring() && !request_completed()) ||
(get_recurring() && get_frequency_clock().elapsed(true)));
}
bool active_diagnostic_request_t::timed_out()
{
// don't use staggered start with the timeout clock
return timeout_clock_.elapsed(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;
}
/// @brief Returns true if the request has timed out waiting for a response,
/// or a sufficient number of responses has been received.
bool active_diagnostic_request_t::request_completed()
{
return response_received() ||
(timed_out() && diagnostic_request_sent(handle_));
}
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