修正pcap模式下解密流量转发发包缓冲区未初始化的问题

plugin/business/traffic-mirror/src/entry.cpp

@@ -465,6 +465,15 @@ int traffic_mirror_init(struct tfe_proxy * proxy)
     const char * profile = "./conf/pangu/pangu_pxy.conf";
     const char * section = "maat";
 
+    unsigned int is_enable = 1;
+    MESA_load_profile_uint_def(profile, "traffic_mirror", "enable", &is_enable, 1);
+
+    if (!is_enable)
+    {
+        TFE_LOG_INFO(instance->logger, "traffic_mirror is disabled.");
+        return -1;
+    }
+
 	/* INIT DECRYPT MIRROR INSTANCE */
     instance->logger = tfe_proxy_get_error_logger();
     instance->nr_threads = tfe_proxy_get_work_thread_count();