mirror of
https://github.com/Mezeporta/Erupe.git
synced 2025-12-12 23:14:36 +01:00
Remove old channel server impl
This commit is contained in:
Andrew Gutekanst
@@ -1,256 +0,0 @@
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package main
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import (
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"encoding/hex"
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"fmt"
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"io/ioutil"
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"net"
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"github.com/Andoryuuta/Erupe/network"
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"github.com/Andoryuuta/byteframe"
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)
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var loadDataCount int
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var getPaperDataCount int
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func handlePacket(cc *network.CryptConn, pkt []byte) {
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defer func() {
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if r := recover(); r != nil {
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fmt.Println("Recovered from panic.")
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}
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}()
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bf := byteframe.NewByteFrameFromBytes(pkt)
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opcode := network.PacketID(bf.ReadUint16())
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if opcode == network.MSG_SYS_EXTEND_THRESHOLD {
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opcode = network.PacketID(bf.ReadUint16())
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}
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switch opcode {
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case network.MSG_SYS_PING:
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ackHandle := bf.ReadUint32()
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_ = bf.ReadUint16()
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bfw := byteframe.NewByteFrame()
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bfw.WriteUint16(uint16(network.MSG_SYS_ACK))
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bfw.WriteUint32(ackHandle)
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bfw.WriteUint32(0)
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bfw.WriteUint32(0)
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cc.SendPacket(bfw.Data())
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case network.MSG_SYS_TIME:
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_ = bf.ReadUint8()
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timestamp := bf.ReadUint32() // unix timestamp, e.g. 1577105879
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bfw := byteframe.NewByteFrame()
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bfw.WriteUint16(uint16(network.MSG_SYS_TIME))
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bfw.WriteUint8(0)
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bfw.WriteUint32(timestamp)
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cc.SendPacket(bfw.Data())
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case network.MSG_SYS_LOGIN:
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ackHandle := bf.ReadUint32()
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charID0 := bf.ReadUint32()
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loginTokenNumber := bf.ReadUint32()
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hardcodedZero0 := bf.ReadUint16()
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requestVersion := bf.ReadUint16()
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charID1 := bf.ReadUint32()
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hardcodedZero1 := bf.ReadUint16()
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loginTokenLength := bf.ReadUint16() // hardcoded to 0x11
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loginTokenString := bf.ReadBytes(17)
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_ = ackHandle
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_ = charID0
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_ = loginTokenNumber
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_ = hardcodedZero0
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_ = requestVersion
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_ = charID1
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_ = hardcodedZero1
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_ = loginTokenLength
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_ = loginTokenString
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bfw := byteframe.NewByteFrame()
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bfw.WriteUint16(uint16(network.MSG_SYS_ACK))
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bfw.WriteUint32(ackHandle)
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bfw.WriteUint64(0x000000005E00B9C2) // Timestamp?
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cc.SendPacket(bfw.Data())
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case network.MSG_MHF_ENUMERATE_EVENT:
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fallthrough
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case network.MSG_MHF_ENUMERATE_QUEST:
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fallthrough
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case network.MSG_MHF_ENUMERATE_RANKING:
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fallthrough
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case network.MSG_MHF_READ_MERCENARY_W:
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fallthrough
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case network.MSG_MHF_GET_ETC_POINTS:
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fallthrough
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case network.MSG_MHF_READ_GUILDCARD:
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fallthrough
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case network.MSG_MHF_READ_BEAT_LEVEL:
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fallthrough
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case network.MSG_MHF_GET_EARTH_STATUS:
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fallthrough
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case network.MSG_MHF_GET_EARTH_VALUE:
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fallthrough
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case network.MSG_MHF_GET_WEEKLY_SCHEDULE:
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fallthrough
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case network.MSG_MHF_LIST_MEMBER:
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fallthrough
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case network.MSG_MHF_LOAD_PLATE_DATA:
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fallthrough
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case network.MSG_MHF_LOAD_PLATE_BOX:
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fallthrough
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case network.MSG_MHF_LOAD_FAVORITE_QUEST:
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fallthrough
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case network.MSG_MHF_LOAD_PARTNER:
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fallthrough
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case network.MSG_MHF_GET_TOWER_INFO:
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fallthrough
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case network.MSG_MHF_LOAD_OTOMO_AIROU:
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fallthrough
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case network.MSG_MHF_LOAD_DECO_MYSET:
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fallthrough
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case network.MSG_MHF_LOAD_HUNTER_NAVI:
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fallthrough
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case network.MSG_MHF_GET_UD_SCHEDULE:
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fallthrough
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case network.MSG_MHF_GET_UD_INFO:
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fallthrough
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case network.MSG_MHF_GET_UD_MONSTER_POINT:
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fallthrough
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case network.MSG_MHF_GET_RAND_FROM_TABLE:
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fallthrough
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case network.MSG_MHF_ACQUIRE_MONTHLY_REWARD:
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fallthrough
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case network.MSG_MHF_GET_RENGOKU_RANKING_RANK:
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fallthrough
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case network.MSG_MHF_LOAD_PLATE_MYSET:
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fallthrough
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case network.MSG_MHF_LOAD_RENGOKU_DATA:
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fallthrough
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case network.MSG_MHF_ENUMERATE_SHOP:
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fallthrough
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case network.MSG_MHF_LOAD_SCENARIO_DATA:
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fallthrough
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case network.MSG_MHF_GET_BOOST_TIME_LIMIT:
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fallthrough
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case network.MSG_MHF_GET_BOOST_RIGHT:
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fallthrough
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case network.MSG_MHF_GET_REWARD_SONG:
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fallthrough
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case network.MSG_MHF_GET_GACHA_POINT:
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fallthrough
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case network.MSG_MHF_GET_KOURYOU_POINT:
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fallthrough
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case network.MSG_MHF_GET_ENHANCED_MINIDATA:
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ackHandle := bf.ReadUint32()
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data, err := ioutil.ReadFile(fmt.Sprintf("bin_resp/%s_resp.bin", opcode.String()))
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if err != nil {
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panic(err)
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}
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bfw := byteframe.NewByteFrame()
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bfw.WriteUint16(uint16(network.MSG_SYS_ACK))
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bfw.WriteUint32(ackHandle)
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bfw.WriteBytes(data)
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cc.SendPacket(bfw.Data())
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case network.MSG_MHF_INFO_FESTA:
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ackHandle := bf.ReadUint32()
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_ = bf.ReadUint32()
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data, err := ioutil.ReadFile(fmt.Sprintf("bin_resp/%s_resp.bin", opcode.String()))
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if err != nil {
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panic(err)
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}
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bfw := byteframe.NewByteFrame()
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bfw.WriteUint16(uint16(network.MSG_SYS_ACK))
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bfw.WriteUint32(ackHandle)
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bfw.WriteBytes(data)
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cc.SendPacket(bfw.Data())
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case network.MSG_MHF_LOADDATA:
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ackHandle := bf.ReadUint32()
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data, err := ioutil.ReadFile(fmt.Sprintf("bin_resp/%s_resp%d.bin", opcode.String(), loadDataCount))
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if err != nil {
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panic(err)
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}
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bfw := byteframe.NewByteFrame()
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bfw.WriteUint16(uint16(network.MSG_SYS_ACK))
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bfw.WriteUint32(ackHandle)
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bfw.WriteBytes(data)
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cc.SendPacket(bfw.Data())
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loadDataCount++
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if loadDataCount > 1 {
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loadDataCount = 0
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}
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case network.MSG_MHF_GET_PAPER_DATA:
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ackHandle := bf.ReadUint32()
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data, err := ioutil.ReadFile(fmt.Sprintf("bin_resp/%s_resp%d.bin", opcode.String(), getPaperDataCount))
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if err != nil {
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panic(err)
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}
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bfw := byteframe.NewByteFrame()
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bfw.WriteUint16(uint16(network.MSG_SYS_ACK))
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bfw.WriteUint32(ackHandle)
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bfw.WriteBytes(data)
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cc.SendPacket(bfw.Data())
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getPaperDataCount++
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if getPaperDataCount > 7 {
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getPaperDataCount = 0
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}
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default:
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break
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}
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fmt.Printf("Opcode: %s\n", opcode)
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fmt.Printf("Data:\n%s\n", hex.Dump(pkt))
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remainingData := bf.DataFromCurrent()
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if len(remainingData) >= 2 && (opcode == network.MSG_SYS_TIME || opcode == network.MSG_MHF_INFO_FESTA) {
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handlePacket(cc, remainingData)
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}
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}
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func handleChannelServerConnection(conn net.Conn) {
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fmt.Println("Channel server got connection!")
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// Unlike the sign and entrance server,
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// the client DOES NOT initalize the channel connection with 8 NULL bytes.
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cc := network.NewCryptConn(conn)
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for {
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pkt, err := cc.ReadPacket()
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if err != nil {
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return
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}
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handlePacket(cc, pkt)
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}
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}
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func doChannelServer(listenAddr string) {
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l, err := net.Listen("tcp", listenAddr)
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if err != nil {
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panic(err)
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}
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defer l.Close()
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for {
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conn, err := l.Accept()
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if err != nil {
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panic(err)
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}
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go handleChannelServerConnection(conn)
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}
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}
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