118 lines
2.7 KiB
C++
118 lines
2.7 KiB
C++
// Copyright 2023 Dexter.Wan. All Rights Reserved.
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// EMail: 45141961@qq.com
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#include "message.h"
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#include <cstring>
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#include <utility>
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namespace mqtt {
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/////////////////////////////////////////////////////////////////////////////
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#if __cplusplus < 201703L
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constexpr int message::DFLT_QOS;
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constexpr bool message::DFLT_RETAINED;
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#endif
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const MQTTAsync_message message::DFLT_C_STRUCT = MQTTAsync_message_initializer;
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// --------------------------------------------------------------------------
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message::message() : msg_(DFLT_C_STRUCT)
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{
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}
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message::message(string_ref topic, const void* payload, size_t len, int qos, bool retained,
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const properties& props /*=properties()*/)
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: msg_(DFLT_C_STRUCT), topic_(std::move(topic))
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{
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set_payload(payload, len);
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set_qos(qos);
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set_retained(retained);
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set_properties(props);
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}
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message::message(string_ref topic, binary_ref payload, int qos, bool retained,
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const properties& props /*=properties()*/)
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: msg_(DFLT_C_STRUCT), topic_(std::move(topic))
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{
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set_payload(std::move(payload));
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set_qos(qos);
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set_retained(retained);
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set_properties(props);
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}
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message::message(string_ref topic, const MQTTAsync_message& cmsg)
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: msg_(cmsg), topic_(std::move(topic)), props_(cmsg.properties)
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{
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set_payload(cmsg.payload, cmsg.payloadlen);
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msg_.properties = props_.c_struct();
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}
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message::message(const message& other)
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: msg_(other.msg_), topic_(other.topic_), props_(other.props_)
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{
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set_payload(other.payload_);
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msg_.properties = props_.c_struct();
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}
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message::message(message&& other)
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: msg_(other.msg_), topic_(std::move(other.topic_)),
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props_(std::move(other.props_))
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{
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set_payload(std::move(other.payload_));
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other.msg_.payloadlen = 0;
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other.msg_.payload = nullptr;
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msg_.properties = props_.c_struct();
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}
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message& message::operator=(const message& rhs)
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{
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if (&rhs != this) {
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msg_ = rhs.msg_;
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topic_ = rhs.topic_;
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set_payload(rhs.payload_);
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set_properties(rhs.props_);
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}
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return *this;
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}
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message& message::operator=(message&& rhs)
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{
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if (&rhs != this) {
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msg_ = rhs.msg_;
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topic_ = std::move(rhs.topic_);
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set_payload(std::move(rhs.payload_));
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set_properties(std::move(rhs.props_));
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rhs.msg_ = DFLT_C_STRUCT;
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}
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return *this;
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}
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void message::clear_payload()
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{
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payload_.reset();
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msg_.payload = nullptr;
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msg_.payloadlen = 0;
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}
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void message::set_payload(binary_ref payload)
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{
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payload_ = std::move(payload);
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if (payload_.empty()) {
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msg_.payload = nullptr;
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msg_.payloadlen = 0;
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}
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else {
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msg_.payload = const_cast<binary_ref::value_type*>(payload_.data());
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msg_.payloadlen = int(payload_.length());
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}
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}
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/////////////////////////////////////////////////////////////////////////////
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// end namespace mqtt
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}
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