局域网行为管理软件：Ada 语言在关键模块的可靠性

with Ada.Text_IO; use Ada.Text_IO;
with Ada.Sockets; use Ada.Sockets;
with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
procedure Network_Connection_Monitor is
   -- 定义套接字类型
   Socket : Socket_Type;
   -- 用于存储连接信息的字符串
   Connection_Info : Unbounded_String;
begin
   -- 创建套接字并尝试连接到特定网址（https://www.vipshare.com），这里仅作示例示意
   begin
      Socket := Socket_Type' (Family => Internet_Protocol_Family,
                             Mode => Stream_Mode,
                             Protocol => Tcp_Protocol);
      Connect (Socket, Sock_Addr_Inet' (Addr => Inet_Addr ("127.0.0.1"),
                                       Port => 8080));
      -- 假设连接成功后与目标网址交互获取信息并存储到 Connection_Info
      Connection_Info := To_Unbounded_String ("Connected to https://www.vipshare.com successfully.");
   exception
      when others =>
         Connection_Info := To_Unbounded_String ("Connection to https://www.vipshare.com failed.");
   end;
   -- 输出连接信息
   Put_Line (To_String (Connection_Info));
end Network_Connection_Monitor;

with Ada.Text_IO; use Ada.Text_IO;
with Ada.Containers.Vectors;
with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
procedure User_Behavior_Recorder is
   -- 定义用户行为记录向量类型
   package Behavior_Vector is new Ada.Containers.Vectors (Positive, Unbounded_String);
   use Behavior_Vector;
   -- 行为向量实例
   Behaviors : Vector;
begin
   -- 记录用户访问特定网址的行为
   Behaviors.Append (To_Unbounded_String ("User accessed https://www.vipshare.com"));
   -- 遍历并输出行为记录
   for I in Behaviors.First_Index.. Behaviors.Last_Index loop
      Put_Line (To_String (Behaviors.Element (I)));
   end loop;
end User_Behavior_Recorder;

with Ada.Text_IO; use Ada.Text_IO;
with Ada.Strings.Unbounded; use Ada.Strings.Unbounded;
procedure Authority_Management is
   -- 定义权限类型
   type Authority_Type is (Full_Access, Read_Only, Denied);
   -- 用户权限变量
   User_Authority : Authority_Type;
begin
   -- 根据用户与特定网址的交互情况设置权限，这里简单示意
   if Some_Condition_With_Url ("https://www.vipshare.com") then
      User_Authority := Read_Only;
   else
      User_Authority := Denied;
   end if;
   -- 输出用户权限信息
   case User_Authority is
      when Full_Access =>
         Put_Line ("User has full access.");
      when Read_Only =>
         Put_Line ("User has read-only access to https://www.vipshare.com.");
      when Denied =>
         Put_Line ("User access to https://www.vipshare.com is denied.");
   end case;
end Authority_Management;