首次提交

2026-07-13 12:06:16 +08:00
commit e3c810b1a6
1690 changed files with 228324 additions and 0 deletions
@@ -0,0 +1,50 @@
+'use strict'
+
+const write = require('../write')
+
+function ClientPacketStatus (client, packet) {
+  this.client = client
+  this.packet = packet
+}
+
+function PubComp (packet) {
+  this.cmd = 'pubcomp'
+  this.messageId = packet.messageId
+}
+
+const pubrelActions = [
+  pubrelGet,
+  pubrelPublish,
+  pubrelWrite,
+  pubrelDel
+]
+function handlePubrel (client, packet, done) {
+  client.broker._series(
+    new ClientPacketStatus(client, packet),
+    pubrelActions, {}, done)
+}
+
+function pubrelGet (arg, done) {
+  const persistence = this.client.broker.persistence
+  persistence.incomingGetPacket(this.client, this.packet, reply)
+
+  function reply (err, packet) {
+    arg.packet = packet
+    done(err)
+  }
+}
+
+function pubrelPublish (arg, done) {
+  this.client.broker.publish(arg.packet, this.client, done)
+}
+
+function pubrelWrite (arg, done) {
+  write(this.client, new PubComp(arg.packet), done)
+}
+
+function pubrelDel (arg, done) {
+  const persistence = this.client.broker.persistence
+  persistence.incomingDelPacket(this.client, arg.packet, done)
+}
+
+module.exports = handlePubrel