Merge pull request #476 from Luos-io/fix/no_service

Allow node to properly work without any services running

Author: nicolas-rabault

engine/core/src/service.c

@@ -120,6 +120,11 @@ void Service_ClearId(void)
  ******************************************************************************/
 uint16_t Service_GetIndex(service_t *service)
 {
+    if (service_ctx.number == 0)
+    {
+        // We don't have any service just return 0 by default.
+        return 0;
+    }
     LUOS_ASSERT((service >= service_ctx.list) && (service < &service_ctx.list[service_ctx.number]));
     return ((uintptr_t)service - (uintptr_t)service_ctx.list) / sizeof(service_t);
 }

tool_services/gate/TinyJSON/convert.c

@@ -1049,11 +1049,13 @@ void Convert_RoutingTableData(service_t *service)
 
             json_ptr += strlen(json_ptr);
             i++;
+            bool find_service = false;
             // Services loop
             while (i < last_entry)
             {
                 if (routing_table[i].mode == SERVICE)
                 {
+                    find_service = true;
                     // Create service description
                     sprintf(json_ptr, "{\"type\":\"%s\",\"id\":%d,\"alias\":\"%s\"},", Convert_StringFromType(routing_table[i].type), routing_table[i].id, routing_table[i].alias);
                     json_ptr += strlen(json_ptr);
@@ -1062,8 +1064,11 @@ void Convert_RoutingTableData(service_t *service)
                 else
                     break;
             }
-            // remove the last "," char
-            *(--json_ptr) = '\0';
+            if (find_service)
+            {
+                // remove the last "," char
+                *(--json_ptr) = '\0';
+            }
             sprintf(json_ptr, "]},");
             json_ptr += strlen(json_ptr);
         }