fix:add lnn coap reconnect func

Signed-off-by: fangdong7 <fangdong7@huawei.com>

core/bus_center/bus_center_server.gni

@@ -205,3 +205,19 @@ if (lk_enhanced) {
   bus_center_server_inc +=
       [ "$dsoftbus_root_path/core/adapter/bus_center/include" ]
 }
+
+lnn_coap_dep_dir = "dsoftbus_enhance/core/bus_center/lnn/disc_mgr"
+lnn_disc_enhanced = exec_script("$dsoftbus_root_path/check_sub_module.py",
+                                [
+                                  "$native_source_path",
+                                  "$lnn_coap_dep_dir",
+                                ],
+                                "value")
+
+if (dsoftbus_feature_lnn_net && lnn_disc_enhanced) {
+  disc_mgr_enhance_path =
+      "$dsoftbus_root_path/dsoftbus_enhance/core/bus_center/lnn/disc_mgr"
+  bus_center_server_src += [ "$disc_mgr_enhance_path/src/lnn_coap_adapter.c" ]
+} else {
+  bus_center_server_src += [ "$dsoftbus_root_path/core/bus_center/lnn/disc_mgr/src/lnn_coap_adapter_virtual.c" ]
+}

core/bus_center/lnn/disc_mgr/include/lnn_coap_discovery_impl.h

@@ -40,6 +40,14 @@ int32_t LnnStartCoapDiscovery(void);
 
 int32_t LnnStopCoapDiscovery(void);
 
+void LnnDestroyCoapConnectList(void);
+
+void LnnCoapConnect(const char *ip);
+
+void LnnCoapConnectInit(void);
+
+void LnnCoapConnectDeinit(void);
+
 #ifdef __cplusplus
 #if __cplusplus
 }

core/bus_center/lnn/disc_mgr/src/lnn_coap_adapter_virtual.c

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) 2024 Huawei Device Co., Ltd.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "lnn_coap_discovery_impl.h"
+
+void LnnDestroyCoapConnectList(void)
+{
+}
+
+void LnnCoapConnect(const char *ip)
+{
+    (void)ip;
+}
+
+void LnnCoapConnectInit(void)
+{
+}
+
+void LnnCoapConnectDeinit(void)
+{
+}

core/bus_center/lnn/disc_mgr/src/lnn_coap_discovery_impl.c

@@ -63,6 +63,7 @@ static void DeviceFound(const DeviceInfo *device, const InnerDeviceInfoAddtions
     }
     if (device->addr[0].info.ip.port == 0) {
         DISC_LOGE(DISC_LNN, "discovery get port is 0!");
+        LnnCoapConnect(device->addr[0].info.ip.ip);
         return;
     }
     addr.type = device->addr[0].type;
@@ -123,6 +124,7 @@ int32_t LnnStartCoapDiscovery(void)
     InnerCallback callback = {
         .innerCb = g_discCb,
     };
+    LnnDestroyCoapConnectList();
     return LnnStartDiscDevice(NULL, &subscribeInfo, &callback, true);
 }
 

core/bus_center/service/src/bus_center_manager.c

@@ -21,6 +21,7 @@
 #include "bus_center_event.h"
 #include "bus_center_decision_center.h"
 #include "lnn_async_callback_utils.h"
+#include "lnn_coap_discovery_impl.h"
 #include "lnn_decision_center.h"
 #include "lnn_discovery_manager.h"
 #include "lnn_event_monitor.h"
@@ -141,6 +142,7 @@ static void BusCenterServerDelayInit(void *para)
             g_lnnLocalConfigInit.initDelayImpl[i].isInit = true;
         }
     }
+    LnnCoapConnectInit();
     if (ret != SOFTBUS_OK) {
         retry++;
         SoftBusLooper *looper = GetLooper(LOOP_TYPE_DEFAULT);
@@ -237,5 +239,6 @@ void BusCenterServerDeinit(void)
     LnnDeinitNetLedger();
     DeinitDecisionCenter();
     LnnDeinitMetaNode();
+    LnnCoapConnectDeinit();
     LNN_LOGI(LNN_INIT, "bus center server deinit");
 }

tests/core/bus_center/lnn/BUILD.gn

@@ -1545,6 +1545,7 @@ ohos_unittest("LNNDiscoveryInterfaceTest") {
     "$dsoftbus_root_path/core/authentication/src/auth_deviceprofile_virtual.cpp",
     "$dsoftbus_root_path/core/authentication/src/auth_hichain_adapter.c",
     "$dsoftbus_root_path/core/authentication/src/auth_interface.c",
+    "$dsoftbus_root_path/core/bus_center/lnn/disc_mgr/src/lnn_coap_adapter_virtual.c",
     "$dsoftbus_root_path/core/bus_center/lnn/disc_mgr/src/lnn_discovery_interface.c",
     "$dsoftbus_root_path/core/bus_center/utils/src/lnn_file_utils.c",
     "$dsoftbus_root_path/tests/core/authentication/unittest/auth_common_mock.cpp",