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PacketListViewer.go
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PacketListViewer.go
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package main
import (
"github.com/Gskartwii/roblox-dissector/peer"
"github.com/gotk3/gotk3/glib"
"github.com/gotk3/gotk3/gtk"
)
const (
COL_ID = iota
COL_PACKET
COL_DIRECTION
COL_LEN_BYTES
COL_COLOR
COL_HAS_LENGTH
COL_MAIN_PACKET_ID
COL_SUBPACKET_ID
COL_PACKET_KIND
)
const (
KIND_MAIN = iota
KIND_DATA_REPLIC
KIND_DATA_JOIN_DATA_INSTANCE
KIND_PHYSICS
KIND_TOUCH
)
type PacketListViewer struct {
title string
mainWidget *gtk.Paned
treeView *gtk.TreeView
model *gtk.TreeStore
filterModel *gtk.TreeModelFilter
sortModel *gtk.TreeModelSort
packetDetailsViewer *PacketDetailsViewer
packetRows map[uint64]*gtk.TreePath
packetStore map[uint64]*peer.PacketLayers
}
func NewPacketListViewer(title string) (*PacketListViewer, error) {
viewer := &PacketListViewer{
packetRows: make(map[uint64]*gtk.TreePath),
packetStore: make(map[uint64]*peer.PacketLayers),
}
model, err := gtk.TreeStoreNew(
glib.TYPE_INT64, // COL_ID
glib.TYPE_STRING, // COL_PACKET
glib.TYPE_STRING, // COL_DIRECTION
glib.TYPE_INT64, // COL_LEN_BYTES
glib.TYPE_STRING, // COL_COLOR
glib.TYPE_BOOLEAN, // COL_HAS_LENGTH
glib.TYPE_INT64, // COL_MAIN_PACKET_ID
glib.TYPE_INT64, // COL_SUBPACKET_ID
glib.TYPE_INT64, // COL_PACKET_KIND
)
if err != nil {
return nil, err
}
filterModel, err := model.FilterNew(nil)
if err != nil {
return nil, err
}
filterModel.SetVisibleFunc(func(model *gtk.TreeModelFilter, iter *gtk.TreeIter, userData ...interface{}) bool {
return viewer.FilterAcceptsPacket(model, iter, userData)
})
sortModel, err := gtk.TreeModelSortNew(filterModel)
if err != nil {
return nil, err
}
treeView, err := gtk.TreeViewNewWithModel(sortModel)
if err != nil {
return nil, err
}
for i, colName := range []string{"ID", "Packet", "Direction", "Length in Bytes"} {
colRenderer, err := gtk.CellRendererTextNew()
if err != nil {
return nil, err
}
col, err := gtk.TreeViewColumnNewWithAttribute(
colName,
colRenderer,
"text",
i,
)
if err != nil {
return nil, err
}
col.AddAttribute(colRenderer, "background", COL_COLOR)
if i == COL_LEN_BYTES {
col.AddAttribute(colRenderer, "visible", COL_HAS_LENGTH)
}
col.SetSortColumnID(i)
treeView.AppendColumn(col)
}
scrolledList, err := gtk.ScrolledWindowNew(nil, nil)
if err != nil {
return nil, err
}
scrolledList.Add(treeView)
packetDetailsViewer, err := NewPacketDetailsViewer()
if err != nil {
return nil, err
}
mainWidget, err := gtk.PanedNew(gtk.ORIENTATION_VERTICAL)
if err != nil {
return nil, err
}
mainWidget.Add(scrolledList)
mainWidget.Add(packetDetailsViewer.mainWidget)
sel, err := treeView.GetSelection()
if err != nil {
return nil, err
}
sel.SetMode(gtk.SELECTION_SINGLE)
sel.Connect("changed", func(selection *gtk.TreeSelection) {
viewer.selectionChanged(selection)
})
viewer.title = title
viewer.packetDetailsViewer = packetDetailsViewer
viewer.mainWidget = mainWidget
viewer.treeView = treeView
viewer.model = model
viewer.filterModel = filterModel
viewer.sortModel = sortModel
return viewer, nil
}
func (viewer *PacketListViewer) FilterAcceptsPacket(model *gtk.TreeModelFilter, iter *gtk.TreeIter, userData interface{}) bool {
return true
}
func (viewer *PacketListViewer) NotifyOfflinePacket(layers *peer.PacketLayers) {
id := layers.UniqueID
model := viewer.model
newRow := model.Append(nil)
viewer.packetStore[id] = layers
model.SetValue(newRow, COL_ID, int64(id))
model.SetValue(newRow, COL_PACKET, layers.String())
var direction string
if layers.Root.FromClient {
direction = "C->S"
} else if layers.Root.FromServer {
direction = "S->C"
} else {
direction = "???"
}
model.SetValue(newRow, COL_DIRECTION, direction)
model.SetValue(newRow, COL_LEN_BYTES, int64(len(layers.OfflinePayload)))
model.SetValue(newRow, COL_HAS_LENGTH, true)
model.SetValue(newRow, COL_PACKET_KIND, int64(KIND_MAIN))
if layers.Error != nil {
model.SetValue(newRow, COL_COLOR, "rgba(255,0,0,.5)")
}
var err error
viewer.packetRows[id], err = model.GetPath(newRow)
if err != nil {
println("failed to get path:", err.Error())
}
}
func (viewer *PacketListViewer) updatePacketInfo(iter *gtk.TreeIter, layers *peer.PacketLayers) {
model := viewer.model
model.SetValue(iter, COL_PACKET, layers.String())
var direction string
if layers.Root.FromClient {
direction = "C->S"
} else if layers.Root.FromServer {
direction = "S->C"
} else {
direction = "???"
}
model.SetValue(iter, COL_DIRECTION, direction)
model.SetValue(iter, COL_LEN_BYTES, int64(layers.SplitPacket.RealLength))
viewer.packetStore[layers.UniqueID] = layers
}
func (viewer *PacketListViewer) appendPartialPacketRow(layers *peer.PacketLayers) {
id := layers.UniqueID
model := viewer.model
newRow := model.Append(nil)
model.SetValue(newRow, COL_ID, int64(id))
model.SetValue(newRow, COL_COLOR, "rgba(255,255,0,.5)")
model.SetValue(newRow, COL_HAS_LENGTH, true)
model.SetValue(newRow, COL_PACKET_KIND, int64(KIND_MAIN))
viewer.updatePacketInfo(newRow, layers)
var err error
viewer.packetRows[id], err = model.GetPath(newRow)
if err != nil {
println("failed to get path:", err.Error())
}
viewer.packetStore[id] = layers
}
func (viewer *PacketListViewer) addSubpackets(iter *gtk.TreeIter, layers *peer.PacketLayers) {
model := viewer.model
switch layers.PacketType {
case 0x83:
mainLayer := layers.Main.(*peer.Packet83Layer)
for index, subpacket := range mainLayer.SubPackets {
newRow := model.Append(iter)
model.SetValue(newRow, COL_ID, int64(index))
model.SetValue(newRow, COL_MAIN_PACKET_ID, int64(layers.UniqueID))
model.SetValue(newRow, COL_PACKET, subpacket.String())
model.SetValue(newRow, COL_HAS_LENGTH, false)
model.SetValue(newRow, COL_PACKET_KIND, int64(KIND_DATA_REPLIC))
if joinData, ok := subpacket.(*peer.Packet83_0B); ok {
for instanceIndex, instance := range joinData.Instances {
instanceRow := model.Append(newRow)
model.SetValue(instanceRow, COL_ID, int64(instanceIndex))
model.SetValue(instanceRow, COL_MAIN_PACKET_ID, int64(layers.UniqueID))
model.SetValue(instanceRow, COL_SUBPACKET_ID, int64(index))
model.SetValue(instanceRow, COL_PACKET, instance.Instance.Ref.String()+": "+instance.Instance.Name())
model.SetValue(instanceRow, COL_HAS_LENGTH, false)
model.SetValue(instanceRow, COL_PACKET_KIND, int64(KIND_DATA_JOIN_DATA_INSTANCE))
}
}
}
case 0x85:
mainLayer := layers.Main.(*peer.Packet85Layer)
for index, subpacket := range mainLayer.SubPackets {
newRow := model.Append(iter)
model.SetValue(newRow, COL_ID, int64(index))
model.SetValue(newRow, COL_MAIN_PACKET_ID, int64(layers.UniqueID))
model.SetValue(newRow, COL_PACKET, subpacket.String())
model.SetValue(newRow, COL_HAS_LENGTH, false)
model.SetValue(newRow, COL_PACKET_KIND, int64(KIND_PHYSICS))
}
case 0x86:
mainLayer := layers.Main.(*peer.Packet86Layer)
for index, subpacket := range mainLayer.SubPackets {
newRow := model.Append(iter)
model.SetValue(newRow, COL_ID, int64(index))
model.SetValue(newRow, COL_MAIN_PACKET_ID, int64(layers.UniqueID))
model.SetValue(newRow, COL_PACKET, subpacket.String())
model.SetValue(newRow, COL_HAS_LENGTH, false)
model.SetValue(newRow, COL_PACKET_KIND, int64(KIND_TOUCH))
}
}
}
func (viewer *PacketListViewer) NotifyPartialPacket(layers *peer.PacketLayers) {
existingRow, ok := viewer.packetRows[layers.UniqueID]
if !ok {
viewer.appendPartialPacketRow(layers)
} else {
iter, err := viewer.model.GetIter(existingRow)
if err != nil {
println("failed to get iter:", err.Error())
return
}
viewer.updatePacketInfo(iter, layers)
}
}
func (viewer *PacketListViewer) NotifyFullPacket(layers *peer.PacketLayers) {
existingRow, ok := viewer.packetRows[layers.UniqueID]
if !ok {
println("haven't seen this full packet yet:", layers.UniqueID)
return
} else {
delete(viewer.packetRows, layers.UniqueID)
iter, err := viewer.model.GetIter(existingRow)
if err != nil {
println("failed to get iter:", err.Error())
return
}
if layers.Error != nil {
viewer.model.SetValue(iter, COL_COLOR, "rgba(255,0,0,.5)")
} else {
// Why doesn't GTK have `transparent` for colors, like CSS?
viewer.model.SetValue(iter, COL_COLOR, "rgba(0,0,0,0)") // finished with this packet
}
viewer.updatePacketInfo(iter, layers)
viewer.addSubpackets(iter, layers)
}
}
func (viewer *PacketListViewer) NotifyPacket(channel string, layers *peer.PacketLayers) {
if channel == "offline" {
viewer.NotifyOfflinePacket(layers)
} else if channel == "reliable" {
viewer.NotifyPartialPacket(layers)
} else if channel == "full-reliable" {
viewer.NotifyFullPacket(layers)
}
}
func (viewer *PacketListViewer) getGoValue(treeIter *gtk.TreeIter, col int) (interface{}, error) {
id, err := viewer.sortModel.GetValue(treeIter, col)
if err != nil {
return nil, err
}
return id.GoValue()
}
func (viewer *PacketListViewer) goValueFromPath(path *gtk.TreePath, col int) (interface{}, error) {
treeIter, err := viewer.sortModel.GetIter(path)
if err != nil {
return nil, err
}
return viewer.getGoValue(treeIter, col)
}
func (viewer *PacketListViewer) uint64FromIter(treeIter *gtk.TreeIter, col int) (uint64, error) {
v, err := viewer.getGoValue(treeIter, col)
if err != nil {
return 0, err
}
return uint64(v.(int64)), nil
}
func (viewer *PacketListViewer) selectionChanged(selection *gtk.TreeSelection) {
_, treeIter, ok := selection.GetSelected()
if !ok {
println("nothing selected")
return
}
baseId, err := viewer.uint64FromIter(treeIter, COL_ID)
if err != nil {
println("failed to base id from selection")
return
}
kind, err := viewer.uint64FromIter(treeIter, COL_PACKET_KIND)
if err != nil {
println("failed to get packet kind from selection")
return
}
if kind == KIND_MAIN {
viewer.packetDetailsViewer.ShowPacket(viewer.packetStore[baseId])
} else {
mainPacketId, err := viewer.uint64FromIter(treeIter, COL_MAIN_PACKET_ID)
if err != nil {
println("failed to parent id from selection:", err.Error())
return
}
viewer.packetDetailsViewer.ShowPacket(viewer.packetStore[mainPacketId])
if kind == KIND_DATA_REPLIC {
packetViewer, err := viewerForDataPacket(viewer.packetStore[mainPacketId].Main.(*peer.Packet83Layer).SubPackets[baseId])
if err != nil {
println("failed to get subpacket viewer:", err.Error())
return
}
viewer.packetDetailsViewer.ShowMainLayer(packetViewer)
} else if kind == KIND_DATA_JOIN_DATA_INSTANCE {
joinDataSubpacket, err := viewer.uint64FromIter(treeIter, COL_SUBPACKET_ID)
if err != nil {
println("failed to subpacket id from selection:", err.Error())
return
}
instViewer, err := NewInstanceViewer()
if err != nil {
println("failed to make make subpacket window:", err.Error())
return
}
instViewer.ViewInstance(viewer.packetStore[mainPacketId].Main.(*peer.Packet83Layer).SubPackets[joinDataSubpacket].(*peer.Packet83_0B).Instances[baseId])
instViewer.mainWidget.ShowAll()
viewer.packetDetailsViewer.ShowMainLayer(instViewer.mainWidget)
} else if kind == KIND_PHYSICS {
physicsPacketViewer, err := NewPhysicsPacketViewer()
if err != nil {
println("failed to create physics packet viewer:", err.Error())
return
}
physicsPacketViewer.ViewPacket(viewer.packetStore[mainPacketId].Main.(*peer.Packet85Layer).SubPackets[baseId])
physicsPacketViewer.mainWidget.ShowAll()
viewer.packetDetailsViewer.ShowMainLayer(physicsPacketViewer.mainWidget)
} else if kind == KIND_TOUCH {
packet := viewer.packetStore[mainPacketId].Main.(*peer.Packet86Layer).SubPackets[baseId]
packetViewer, err := blanketViewer(packet.String())
if err != nil {
println("failed to get subpacket viewer:", err.Error())
return
}
viewer.packetDetailsViewer.ShowMainLayer(packetViewer)
}
}
}