28 lines
967 B
C++
28 lines
967 B
C++
#pragma once
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#include "fgc/IControlChannel.h"
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#include <string>
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namespace fgc {
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// Topic names and payload encoding for the control channel, kept here rather
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// than inside MqttControlChannel so the null channel produces byte-identical
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// output (its history has to show what WOULD have been sent, not an
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// approximation) and so the JSON is unit-testable without a broker.
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//
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// Scheme: GGS/FWT/<tower>/<leaf> — see docs/mqtt-api.md.
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// Leaf names, so the two channels and the UI agree on spelling.
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inline constexpr const char* kTopicTargetHdg = "target_HDG";
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inline constexpr const char* kTopicControlCode = "ControlCode";
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inline constexpr const char* kTopicStatusCode = "StatusCode";
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inline constexpr const char* kTopicCamEvent = "CamEvent";
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std::string towerTopic(const std::string& tower, const std::string& leaf);
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// Payload builders. One definition each, used by both channels.
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std::string camEventJson(const CamEvent& e);
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} // namespace fgc
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