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connected_graph.go
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/
connected_graph.go
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package graph
import (
"github.com/cilium/ebpf"
"github.com/ebpfdev/dev-agent/pkg/ebpf/maps"
"github.com/ebpfdev/dev-agent/pkg/ebpf/progs"
"github.com/ebpfdev/dev-agent/pkg/graph/model"
)
func (r *queryResolver) resolveConnectedGraph(from int, fromType model.IDType) (map[ebpf.ProgramID]*progs.ProgInfo, map[ebpf.MapID]*maps.MapInfo, error) {
progsList, err := r.ProgsRepository.GetProgs()
if err != nil {
return nil, nil, err
}
emapsList, err := r.MapsRepository.GetMaps()
if err != nil {
return nil, nil, err
}
mapToProgs := make(map[ebpf.MapID][]ebpf.ProgramID)
for _, prog := range progsList {
if prog.Info != nil {
mapIDs, _ := prog.Info.MapIDs()
for _, mapID := range mapIDs {
mapToProgs[mapID] = append(mapToProgs[mapID], prog.ID)
}
}
}
progsMap := make(map[ebpf.ProgramID]*progs.ProgInfo)
emapsMap := make(map[ebpf.MapID]*maps.MapInfo)
var resolveMap func(id ebpf.MapID)
var resolveProg func(id ebpf.ProgramID)
resolveMap = func(id ebpf.MapID) {
if _, ok := emapsMap[id]; ok {
return
}
for _, emap := range emapsList {
if emap.ID == id {
emapsMap[id] = emap
progIDs, _ := mapToProgs[id]
for _, progID := range progIDs {
resolveProg(progID)
}
return
}
}
}
resolveProg = func(id ebpf.ProgramID) {
if _, ok := progsMap[id]; ok {
return
}
for _, prog := range progsList {
if prog.ID == id {
progsMap[id] = &prog
if prog.Info == nil {
return
}
mapIDs, _ := prog.Info.MapIDs()
for _, mapID := range mapIDs {
resolveMap(mapID)
}
return
}
}
}
switch fromType {
case model.IDTypeProgram:
resolveProg(ebpf.ProgramID(from))
case model.IDTypeMap:
resolveMap(ebpf.MapID(from))
}
return progsMap, emapsMap, nil
}