api

type ClusterSpecifier interface {
	// Cluster return the cluster name that will be used in the Envoy side,
	// Envoy will use the default_cluster in the plugin config when return an empty string, or panic happens.
	Cluster(RequestHeaderMap) string
}

type ClusterSpecifierConfigFactory func(any *anypb.Any) ClusterSpecifier

type ClusterSpecifierConfigParser interface {
	Parse(any *anypb.Any) interface{}
}

type ClusterSpecifierFactory func(config interface{}) ClusterSpecifier

type HttpCAPI interface {
	HttpGetHeader(headerPtr uint64, key *string, value *string) bool
	HttpLogError(pluginPtr uint64, msg *string)
}

type RequestHeaderMap interface {
	// Get value of key
	// If multiple values associated with this key, first one will be returned.
	Get(key string) (string, bool)
}