feat: 增加实例内handler注册机制

src/utils/jensen.js

@@ -80,11 +80,11 @@ function Jensen(log, conn) {
   let sequence = 0;
   let current = null;
   let commands = [];
-  let handlers = [];
   let statusTimeout = null;
   let recv = false;
   let ready = false;
   let totalBytes = 0;
+  let handlers = {};
 
   let self = this;
   this.data = {};
@@ -419,7 +419,8 @@ function Jensen(log, conn) {
             'recv: ' + cname + ', seq: ' + msg.sequence + ', data bytes: ' + msg.body?.byteLength + ', data: ' + heading.join(' ')
           );
         try {
-          let handler = Jensen.handlers[msg.id];
+          let handler = handlers[msg.id];
+          if (!handler) handler = Jensen.handlers[msg.id];
           let r = handler(msg, self);
           if (r) trigger(r, msg.id);
         } catch (e) {
@@ -434,7 +435,8 @@ function Jensen(log, conn) {
         // 5是msgid
         let msgid = parseInt(current.replace(/^cmd-(\d+)-(\d+)$/gi, '$1'));
         try {
-          let handler = Jensen.handlers[msgid];
+          let handler = handlers[msgid];
+          if (!handler) handler = Jensen.handlers[msgid];
           handler(null, self);
         } catch (e) {
           trigger(e);
@@ -523,6 +525,10 @@ function Jensen(log, conn) {
     }
     return str;
   };
+
+  this.registerHandler = function (cmdid, handler) {
+    handlers[cmdid] = handler;
+  };
 }
 
 function Command(id) {
@@ -631,7 +637,7 @@ Jensen.prototype.getBluetoothStatus = async function (seconds) {
 };
 
 Jensen.prototype.listFiles = async function () {
-  let tag = 'filelist';
+  let tag = 'filelist-' + this.serialNumber;
   if (this[tag] != null) return null;
 
   let fc = null;
@@ -645,7 +651,7 @@ Jensen.prototype.listFiles = async function () {
   let self = this;
   // let tag = 'data_' + new Date().getTime();
   this[tag] = [];
-  Jensen.registerHandler(QUERY_FILE_LIST, (msg, jensen) => {
+  this.registerHandler(QUERY_FILE_LIST, (msg, jensen) => {
     if (msg.body.length == 0) {
       jensen[tag] = null;
       return [];
@@ -944,7 +950,7 @@ Jensen.prototype.getFile = async function (filename, length, ondata, onprogress)
       onprogress?.(recvBytes);
     }
   }
-  Jensen.registerHandler(TRANSFER_FILE, handler);
+  this.registerHandler(TRANSFER_FILE, handler);
   this.send(new Command(TRANSFER_FILE).body(fname));
 };