Error catching

mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/ContactImpl.kt

 package net.mamoe.mirai.qqandroid
 
-import kotlinx.io.core.readBytes
 import net.mamoe.mirai.contact.*
 import net.mamoe.mirai.data.FriendNameRemark
 import net.mamoe.mirai.data.PreviousNameList
@@ -17,10 +16,9 @@ import net.mamoe.mirai.qqandroid.network.protocol.packet.withUse
 import net.mamoe.mirai.qqandroid.utils.toIpV4AddressString
 import net.mamoe.mirai.utils.ExternalImage
 import net.mamoe.mirai.utils.MiraiInternalAPI
-import net.mamoe.mirai.utils.cryptor.contentToString
 import net.mamoe.mirai.utils.getValue
 import net.mamoe.mirai.utils.io.PlatformSocket
-import net.mamoe.mirai.utils.io.toUHexString
+import net.mamoe.mirai.utils.io.discardExact
 import net.mamoe.mirai.utils.unsafeWeakRef
 import kotlin.coroutines.CoroutineContext
 
@@ -174,12 +172,11 @@ internal class GroupImpl(
 
                     //0A 3C 08 01 12 0A 31 39 39 34 37 30 31 30 32 31 1A 0C 50 69 63 55 70 2E 44 61 74 61 55 70 20 E9 A7 05 28 00 30 BD DB 8B 80 02 38 80 20 40 02 4A 0A 38 2E 32 2E 30 2E 31 32 39 36 50 84 10 12 3D 08 00 10 FD 08 18 00 20 FD 08 28 C6 01 38 00 42 10 D4 1D 8C D9 8F 00 B2 04 E9 80 09 98 EC F8 42 7E 4A 10 D4 1D 8C D9 8F 00 B2 04 E9 80 09 98 EC F8 42 7E 50 89 92 A2 FB 06 58 00 60 00 18 53 20 01 28 00 30 04 3A 00 40 E6 B7 F7 D9 80 2E 48 00 50 00
                     socket.read().withUse {
-                        readByte()
+                        discardExact(1)
                         val headLength = readInt()
-                        val bodyLength = readInt()
+                        discardExact(4)
                         val proto = readProtoBuf(CSDataHighwayHead.RspDataHighwayHead.serializer(), length = headLength)
-                        println(proto.contentToString())
-                        println(readBytes(bodyLength).toUHexString())
+                        check(proto.errorCode == 0) { "image upload failed: Transfer errno=${proto.errorCode}" }
                     }
                     socket.close()
                     val resourceId = image.calculateImageResourceId()