Add heartbeat

mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/OutgoingPacketAndroid.kt

@@ -156,6 +156,7 @@ internal inline fun BytePacketBuilder.writeUniPacket(
     writeIntLVPacket(lengthOffset = { it + 4 }, builder = body)
 }
 
+internal val NO_ENCRYPT: ByteArray = ByteArray(0)
 
 /**
  * com.tencent.qphone.base.util.CodecWarpper#encodeRequest(int, java.lang.String, java.lang.String, java.lang.String, java.lang.String, java.lang.String, byte[], int, int, java.lang.String, byte, byte, byte, byte[], byte[], boolean)
@@ -187,8 +188,10 @@ internal inline fun OutgoingPacketFactory<*>.buildLoginOutgoingPacket(
                 writeStringUtf8(it)
             }
 
-            encryptAndWrite(key) {
+            if (key === NO_ENCRYPT) {
                 body(sequenceId)
+            } else {
+                encryptAndWrite(key) { body(sequenceId) }
             }
         }
     })
@@ -206,6 +209,23 @@ internal inline fun BytePacketBuilder.writeSsoPacket(
     sequenceId: Int,
     body: BytePacketBuilder.() -> Unit
 ) {
+
+    /* send
+     * 00 00 00 78
+     * 00 00 94 90
+     * 20 02 ED BD
+     * 20 02 ED BD
+     * 01 00 00 00 00 00 00 00 00 00 01 00
+     * 00 00 00 04
+     * 00 00 00 13 48 65 61 72 74 62 65 61 74 2E 41 6C 69 76 65
+     * 00 00 00 08 59 E7 DF 4F
+     * 00 00 00 13 38 36 35 31 36 36 30 32 36 34 34 36 39 32 35
+     * 00 00 00 04
+     * 00 22 7C 34 36 30 30 30 31 39 31 39 38 37 36 30 32 36 7C 41 38 2E 32 2E 30 2E 32 37 66 36 65 61 39 36
+     * 00 00 00 04
+     *
+     * 00 00 00 04
+     */
     writeIntLVPacket(lengthOffset = { it + 4 }) {
         writeInt(sequenceId)
         writeInt(subAppId.toInt())

mirai-core-qqandroid/src/commonMain/kotlin/net/mamoe/mirai/qqandroid/network/protocol/packet/login/Heartbeat.kt

+/*
+ * Copyright 2020 Mamoe Technologies and contributors.
+ *
+ * 此源代码的使用受 GNU AFFERO GENERAL PUBLIC LICENSE version 3 许可证的约束, 可以在以下链接找到该许可证.
+ * Use of this source code is governed by the GNU AGPLv3 license that can be found through the following link.
+ *
+ * https://github.com/mamoe/mirai/blob/master/LICENSE
+ */
+
+package net.mamoe.mirai.qqandroid.network.protocol.packet.login
+
+import kotlinx.io.core.ByteReadPacket
+import net.mamoe.mirai.data.Packet
+import net.mamoe.mirai.qqandroid.QQAndroidBot
+import net.mamoe.mirai.qqandroid.network.QQAndroidClient
+import net.mamoe.mirai.qqandroid.network.protocol.packet.*
+
+internal class Heartbeat {
+
+    object Alive : OutgoingPacketFactory<Alive.Response>("Heartbeat.Alive") {
+        object Response : Packet
+
+        operator fun invoke(
+            client: QQAndroidClient
+        ): OutgoingPacket = buildLoginOutgoingPacket(client, 0, key = NO_ENCRYPT) {
+            writeSsoPacket(client, 537062845, commandName, sequenceId = it) {
+
+            }
+        }
+
+        override suspend fun ByteReadPacket.decode(bot: QQAndroidBot): Response {
+            return Response
+        }
+    }
+}
\ No newline at end of file

mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/BotConfiguration.kt

@@ -62,7 +62,7 @@ class BotConfiguration {
     /**
      * 心跳周期. 过长会导致被服务器断开连接.
      */
-    var heartbeatPeriodMillis: Long = 300.secondsToMillis
+    var heartbeatPeriodMillis: Long = 30.secondsToMillis
     /**
      * 每次心跳时等待结果的时间.
      * 一旦心跳超时, 整个网络服务将会重启 (将消耗约 5s). 除正在进行的任务 (如图片上传) 会被中断外, 事件和插件均不受影响.