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Plugins/MqttClient/Source/DTMqtt/MqttCPP/will_options.cpp

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+// Copyright 2023 Dexter.Wan. All Rights Reserved. 
+// EMail: 45141961@qq.com
+
+#include "will_options.h"
+#include <utility>
+#include <cstring>
+
+namespace mqtt {
+
+#if __cplusplus < 201703L
+	constexpr int  will_options::DFLT_QOS;
+	constexpr bool will_options::DFLT_RETAINED;
+#endif
+
+const MQTTAsync_willOptions will_options::DFLT_C_STRUCT = MQTTAsync_willOptions_initializer;
+
+/////////////////////////////////////////////////////////////////////////////
+
+will_options::will_options() : opts_(DFLT_C_STRUCT)
+{
+	set_topic(string());
+}
+
+will_options::will_options(string_ref top,
+						   const void *payload, size_t payloadlen,
+						   int qos, bool retained,
+						   const properties& props /*=properties()*/)
+		: opts_(DFLT_C_STRUCT), props_(props)
+{
+	opts_.qos = qos;
+	opts_.retained = retained;
+	set_topic(std::move(top));
+	set_payload(binary_ref(static_cast<const binary_ref::value_type*>(payload), payloadlen));
+}
+
+will_options::will_options(const topic& top,
+						   const void *payload, size_t payloadlen,
+						   int qos, bool retained,
+						   const properties& props /*=properties()*/)
+		: will_options(top.get_name(), payload, payloadlen, qos, retained, props)
+{
+}
+
+will_options::will_options(string_ref top, binary_ref payload,
+						   int qos, bool retained,
+						   const properties& props /*=properties()*/)
+		: opts_(DFLT_C_STRUCT), props_(props)
+{
+	opts_.qos = qos;
+	opts_.retained = retained;
+	set_topic(std::move(top));
+	set_payload(std::move(payload));
+}
+
+will_options::will_options(string_ref top, const string& payload,
+						   int qos, bool retained,
+						   const properties& props /*=properties()*/)
+		: opts_(DFLT_C_STRUCT), props_(props)
+{
+	opts_.qos = qos;
+	opts_.retained = retained;
+	set_topic(std::move(top));
+	set_payload(payload);
+}
+
+will_options::will_options(const message& msg)
+	: will_options(msg.get_topic(), msg.get_payload(), msg.get_qos(),
+				   msg.is_retained(), msg.get_properties())
+{
+}
+
+will_options::will_options(const will_options& other)
+	: opts_(other.opts_), props_(other.props_)
+{
+	set_topic(other.topic_);
+	set_payload(other.payload_);
+}
+
+will_options::will_options(will_options&& other)
+	: opts_(other.opts_), props_(std::move(other.props_))
+{
+	set_topic(std::move(other.topic_));
+	set_payload(std::move(other.payload_));
+}
+
+will_options& will_options::operator=(const will_options& rhs)
+{
+	if (&rhs != this) {
+		opts_ = rhs.opts_;
+		set_topic(rhs.topic_);
+		set_payload(rhs.payload_);
+		props_ = rhs.props_;
+	}
+	return *this;
+}
+
+will_options& will_options::operator=(will_options&& rhs)
+{
+	if (&rhs != this) {
+		opts_ = rhs.opts_;
+		set_topic(std::move(rhs.topic_));
+		set_payload(std::move(rhs.payload_));
+		props_ = std::move(rhs.props_);
+	}
+	return *this;
+}
+
+void will_options::set_topic(string_ref top)
+{
+	topic_ = top ? std::move(top) : string_ref(string());
+	opts_.topicName = topic_.c_str();
+}
+
+void will_options::set_payload(binary_ref msg)
+{
+	// The C struct payload must not be nullptr for will options
+	payload_ = msg ? std::move(msg) : binary_ref(binary());
+
+	opts_.payload.len = (int) payload_.size();
+	opts_.payload.data = payload_.data();
+}
+
+/////////////////////////////////////////////////////////////////////////////
+// end namespace mqtt
+}
+