replace abandon_server with disconnect_and_reconnect

luprex/cpp/core/lpxclient.cpp

@@ -108,10 +108,11 @@ public:
         }
     }
 
-    void abandon_server() {
+    void disconnect_and_reconnect() {
         if (channel_)
         {
-            set_initial_state_standalone();
+            eng::string target = channel_->target();
+            set_initial_state_connect(target);
         }
     }
 
@@ -138,7 +139,7 @@ public:
         // An ack is just a single byte, so there's nothing left to read.
         if (unack_.empty()) {
             // Invalid acknowledgement when theres' nothing in the unack queue.
-            abandon_server();
+            disconnect_and_reconnect();
             return;
         }
         world_to_synchronous();
@@ -158,7 +159,7 @@ public:
             }
             // dbc.dump(...);
         } catch (const StreamException &sexcept) {
-            abandon_server();
+            disconnect_and_reconnect();
             return;
         }
     }
@@ -179,11 +180,11 @@ public:
         } else if (message_type == util::MSG_DIFF) {
             receive_diff_from_server(&body);
         } else {
-            abandon_server();
+            disconnect_and_reconnect();
             return false;
         }
         if (!body.empty()) {
-            abandon_server();
+            disconnect_and_reconnect();
             return false;
         }
         return true;
@@ -248,7 +249,7 @@ public:
         if (channel_ != nullptr) {
             if (channel_->closed()) {
                 util::dprint("server closed connection: ", channel_->error());
-                abandon_server();
+                disconnect_and_reconnect();
             } else {
                 while (true) {
                     if (!receive_message_from_server(channel_->in())) break;