// AggregateMetadata gives the metadata of an edge from the perspective of the
// srcRenderableID. Since an edgeID can have multiple edges on the address
// level, it uses the supplied mapping function to translate address IDs to
// renderable node (mapped) IDs.
func (m LeafMap) AggregateMetadata(rpt report.Report, srcRenderableID, dstRenderableID string) AggregateMetadata {
t := m.Selector(rpt)
metadata := report.EdgeMetadata{}
for edgeID, edgeMeta := range t.EdgeMetadatas {
src, dst, ok := report.ParseEdgeID(edgeID)
if !ok {
log.Printf("bad edge ID %q", edgeID)
continue
}
if src != report.TheInternet {
mapped, _ := m.Mapper(t.NodeMetadatas[src])
src = mapped.ID
}
if dst != report.TheInternet {
mapped, _ := m.Mapper(t.NodeMetadatas[dst])
dst = mapped.ID
}
if src == srcRenderableID && dst == dstRenderableID {
metadata.Flatten(edgeMeta)
}
}
return AggregateMetadataOf(metadata)
}
// EdgeMetadata gives the metadata of an edge from the perspective of the
// srcRenderableID. Since an edgeID can have multiple edges on the address
// level, it uses the supplied mapping function to translate address IDs to
// renderable node (mapped) IDs.
func (m LeafMap) EdgeMetadata(rpt report.Report, srcRenderableID, dstRenderableID string) report.EdgeMetadata {
t := m.Selector(rpt)
metadata := report.EdgeMetadata{}
for edgeID, edgeMeta := range t.EdgeMetadatas {
src, dst, ok := report.ParseEdgeID(edgeID)
if !ok {
log.Printf("bad edge ID %q", edgeID)
continue
}
srcs, dsts := report.MakeIDList(src), report.MakeIDList(dst)
if src != report.TheInternet {
mapped := m.Mapper(t.NodeMetadatas[src])
srcs = ids(mapped)
}
if dst != report.TheInternet {
mapped := m.Mapper(t.NodeMetadatas[dst])
dsts = ids(mapped)
}
if srcs.Contains(srcRenderableID) && dsts.Contains(dstRenderableID) {
metadata = metadata.Flatten(edgeMeta)
}
}
return metadata
}
