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Packet: Unknown{7,8} -> ControlSync{,Resp}

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Used IDA to figure out packet fields. Not sure what these fields
actually mean yet. Something to do with the meta / relatedA/B packets.
This commit is contained in:
Chord 2016-05-14 02:54:42 -04:00
parent 4d52d65b33
commit 6ea1d157af
4 changed files with 109 additions and 3 deletions
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6
common/src/main/scala/net/psforever/packet/ControlPacketOpcode.scala
View file

@ -19,8 +19,8 @@ object ControlPacketOpcode extends Enumeration {
Unknown4,
Unknown5,
Unknown6,
Unknown7,
Unknown8,
ControlSync, // sent to the server from the client
ControlSyncResp, // the response generated by the server
SlottedMetaPacket0,
// OPCODE 10
@ -56,6 +56,8 @@ object ControlPacketOpcode extends Enumeration {
case ServerStart => control.ServerStart.decode
case ClientStart => control.ClientStart.decode
case MultiPacket => control.MultiPacket.decode
case ControlSync => control.ControlSync.decode
case ControlSyncResp => control.ControlSyncResp.decode
// IT'S GETTING "WET" IN HERE
case SlottedMetaPacket0 => SlottedMetaPacket.decodeWithOpcode(SlottedMetaPacket0)
case SlottedMetaPacket1 => SlottedMetaPacket.decodeWithOpcode(SlottedMetaPacket1)

28
common/src/main/scala/net/psforever/packet/control/ControlSync.scala Normal file
View file

@ -0,0 +1,28 @@
// Copyright (c) 2016 PSForever.net to present
package net.psforever.packet.control
import net.psforever.packet.{ControlPacketOpcode, Marshallable, PlanetSideControlPacket}
import scodec.Codec
import scodec.codecs._
final case class ControlSync(timeDiff : Int, unk : Long,
field1 : Long, field2 : Long, field3 : Long, field4 : Long,
field64A : Long, field64B : Long)
extends PlanetSideControlPacket {
type Packet = ControlSync
def opcode = ControlPacketOpcode.ControlSync
def encode = ControlSync.encode(this)
}
object ControlSync extends Marshallable[ControlSync] {
implicit val codec : Codec[ControlSync] = (
("time_diff" | uint16) ::
("unk" | uint32) ::
("field1" | uint32) ::
("field2" | uint32) ::
("field3" | uint32) ::
("field4" | uint32) ::
("field64A" | int64) ::
("field64B" | int64)
).as[ControlSync]
}

25
common/src/main/scala/net/psforever/packet/control/ControlSyncResp.scala Normal file
View file

@ -0,0 +1,25 @@
// Copyright (c) 2016 PSForever.net to present
package net.psforever.packet.control
import net.psforever.packet.{ControlPacketOpcode, Marshallable, PlanetSideControlPacket}
import scodec.Codec
import scodec.codecs._
final case class ControlSyncResp(timeDiff : Int, unk : Long,
field1 : Long, field2 : Long, field3 : Long, field4 : Long)
extends PlanetSideControlPacket {
type Packet = ControlSyncResp
def opcode = ControlPacketOpcode.ControlSyncResp
def encode = ControlSyncResp.encode(this)
}
object ControlSyncResp extends Marshallable[ControlSyncResp] {
implicit val codec : Codec[ControlSyncResp] = (
("time_diff" | uint16) ::
("unk" | uint32) ::
("field1" | int64) ::
("field2" | int64) ::
("field3" | int64) ::
("field4" | int64)
).as[ControlSyncResp]
}

53
common/src/test/scala/ControlPacketTest.scala
View file

@ -10,7 +10,58 @@ import scodec.codecs.uint16
class ControlPacketTest extends Specification {
"PlanetSide control packet" in {
val cNonce = 656287232
"ControlSync" should {
val string = hex"0007 5268 0000004D 00000052 0000004D 0000007C 0000004D 0000000000000276 0000000000000275"
"decode" in {
PacketCoding.DecodePacket(string).require match {
case ControlSync(a, b, c, d, e, f, g, h) =>
a mustEqual 21096
b mustEqual 0x4d
c mustEqual 0x52
d mustEqual 0x4d
e mustEqual 0x7c
f mustEqual 0x4d
g mustEqual 0x276
h mustEqual 0x275
case default =>
true mustEqual false
}
}
"encode" in {
val encoded = PacketCoding.EncodePacket(ControlSync(21096, 0x4d, 0x52, 0x4d, 0x7c, 0x4d, 0x276, 0x275)).require
encoded.toByteVector mustEqual string
}
}
"ControlSyncResp" should {
val string = hex"0008 5268 21392D92 0000000000000276 0000000000000275 0000000000000275 0000000000000276"
"decode" in {
PacketCoding.DecodePacket(string).require match {
case ControlSyncResp(a, b, c, d, e, f) =>
a mustEqual 21096
b mustEqual 0x21392D92
c mustEqual 0x276
d mustEqual 0x275
e mustEqual 0x275
f mustEqual 0x276
case default =>
true mustEqual false
}
}
"encode" in {
val encoded = PacketCoding.EncodePacket(ControlSyncResp(21096, 0x21392D92, 0x276, 0x275, 0x275, 0x276)).require
encoded.toByteVector mustEqual string
}
}
"SlottedMetaPacket" should {
val string = hex"00 09 00 00 00194302484C36563130433F" ++