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ba8305e1e6
Mostly so we have the CLUSTER_BACKEND_NONE enum value available, but potentially useful for testing, too. The rough idea is that Zeek by default has Cluster::backend set to CLUSTER_BACKEND_NONE, and script packages in frameworks/cluster/backend redef it accordingly.
57 lines
2 KiB
C++
57 lines
2 KiB
C++
// See the file "COPYING" in the main distribution directory for copyright.
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#include "zeek/plugin/Plugin.h"
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#include "zeek/cluster/Backend.h"
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#include "zeek/cluster/Component.h"
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#include "zeek/cluster/Serializer.h"
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namespace {
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using namespace zeek::cluster;
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/**
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* A backend that does nothing.
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*/
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class NoneBackend : public Backend {
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private:
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bool DoInit() override { return true; };
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void DoTerminate() override {};
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void DoInitPostScript() override {};
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bool DoPublishLogWrites(const zeek::logging::detail::LogWriteHeader& header, const std::string& format,
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zeek::byte_buffer& buf) override {
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return true;
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}
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bool DoPublishEvent(const std::string& topic, const std::string& format, const zeek::byte_buffer& buf) override {
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return true;
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};
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bool DoSubscribe(const std::string& topic_prefix, SubscribeCallback cb) override { return true; };
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bool DoUnsubscribe(const std::string& topic_prefix) override { return true; };
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public:
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NoneBackend(std::unique_ptr<EventSerializer> es, std::unique_ptr<LogSerializer> ls,
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std::unique_ptr<detail::EventHandlingStrategy> ehs)
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: Backend("None", std::move(es), std::move(ls), std::move(ehs)) {}
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static std::unique_ptr<Backend> Instantiate(std::unique_ptr<EventSerializer> es, std::unique_ptr<LogSerializer> ls,
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std::unique_ptr<detail::EventHandlingStrategy> ehs) {
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return std::make_unique<NoneBackend>(std::move(es), std::move(ls), std::move(ehs));
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}
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};
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} // namespace
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namespace zeek::plugin::Zeek_Cluster_None {
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class Plugin : public zeek::plugin::Plugin {
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zeek::plugin::Configuration Configure() override {
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AddComponent(new cluster::BackendComponent("None", NoneBackend::Instantiate));
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zeek::plugin::Configuration config;
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config.name = "Zeek::Cluster_Backend_None";
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config.description = "Cluster backend none";
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return config;
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}
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} plugin;
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} // namespace zeek::plugin::Zeek_Cluster_None
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