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    Types: TextFile
    Names: »B«

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TextFile

with Ada_C;
with Host_Name;
with Low_Level_Message;
with Socket_Defs;
with Socket_Port;
with System;
with Text_Io;

package body Physical_Layer is

    procedure Get_Host_Name_C (The_Buffer        : in System.Address;
                               The_Buffer_Length :    Integer);

    pragma Interface (C, Get_Host_Name_C);
    pragma Interface_Information (Get_Host_Name_C, ".gethostname");


    procedure Get_Host_Name (The_Host_Name : in out Host_Name.Object) is
        Tmp : constant String (1 .. 20) := (others => ' ');
        -- Tmp : constant String (1 .. Host_Name.Max_Range'Last) :=
        --    (others => ' ');
    begin  
        The_Host_Name := Host_Name.Create (Tmp);

        Get_Host_Name_C (The_Host_Name.The_String
                            (The_Host_Name.The_String'First)'Address,
                         Host_Name.Max_Range'Last);
    end Get_Host_Name;





    procedure Close_Socket_C (The_Socket_Id : Socket_Defs.Socket_Id);
    pragma Interface (C, Close_Socket_C);
    pragma Interface_Information (Close_Socket_C, ".Close_Socket");


    procedure Close_Socket (The_Socket_Id : Socket_Defs.Socket_Id) is
    begin
        Close_Socket_C (The_Socket_Id);
    end Close_Socket;





    procedure Create_Socket_C (The_Socket_Port : System.Address;
                               The_Socket_Type : Integer;
                               The_New_Socket  : System.Address);
    pragma Interface (C, Create_Socket_C);
    pragma Interface_Information (Create_Socket_C, ".Create_Socket");


    procedure Create_Socket (The_Socket_Port : in out Socket_Port.Object;
                             The_Socket_Type : in     Integer;
                             The_New_Socket  : out    Socket_Defs.Socket_Id) is
        The_Value_Of_The_Socket_Port : Natural;
    begin  
        The_Value_Of_The_Socket_Port := Socket_Port.Value (The_Socket_Port);
        Create_Socket_C (The_Value_Of_The_Socket_Port'Address,
                         The_Socket_Type, The_New_Socket'Address);  
        The_Socket_Port := Socket_Port.Create (The_Value_Of_The_Socket_Port);
    end Create_Socket;







    function Create_Server_C (The_Server_Socket_Port : Natural)
                             return Socket_Defs.Socket_Id;
    pragma Interface (C, Create_Server_C);
    pragma Interface_Information (Create_Server_C, ".Create_Server");


    function Create_Server (The_Server_Socket_Port : in Socket_Port.Object)
                           return Socket_Defs.Socket_Id is  
        The_Value_Of_The_Server_Socket_Port : Natural;
        The_Result                          : Socket_Defs.Socket_Id;
    begin
        The_Value_Of_The_Server_Socket_Port :=
           Socket_Port.Value (The_Server_Socket_Port);
        return Create_Server_C (The_Value_Of_The_Server_Socket_Port);
    end Create_Server;







    function Server_Wait_For_A_Connection_C
                (The_Listen_Socket : Socket_Defs.Socket_Id)
                return Socket_Defs.Socket_Id;
    pragma Interface (C, Server_Wait_For_A_Connection_C);
    pragma Interface_Information (Server_Wait_For_A_Connection_C,
                                  ".Server_Wait_For_A_Connection");


    function Server_Wait_For_A_Connection
                (The_Listen_Socket : in Socket_Defs.Socket_Id)
                return Socket_Defs.Socket_Id is
    begin
        return Server_Wait_For_A_Connection_C (The_Listen_Socket);
    end Server_Wait_For_A_Connection;






    function Join_Server_C (The_Server_Name        : System.Address;
                            The_Server_Name_Length : Natural;
                            The_Server_Socket_Port : Natural)
                           return Socket_Defs.Socket_Id;
    pragma Interface (C, Join_Server_C);
    pragma Interface_Information (Join_Server_C, ".Join_Server");


    function Join_Server (The_Server_Name        : in Host_Name.Object;
                          The_Server_Socket_Port : in Socket_Port.Object)
                         return Socket_Defs.Socket_Id is
        The_Value_Of_The_Server_Socket_Port : Natural;
    begin
        The_Value_Of_The_Server_Socket_Port :=
           Socket_Port.Value (The_Server_Socket_Port);
        return Join_Server_C (The_Server_Name.The_String
                                 (The_Server_Name.The_String'First)'Address,
                              The_Server_Name.The_Size,
                              The_Value_Of_The_Server_Socket_Port);
    end Join_Server;





    procedure Send_String_C (The_Remote_Socket_Id : Socket_Defs.Socket_Id;
                             The_Buffer_To_Send : System.Address;
                             The_Length_Of_Buffer_To_Send : Integer;
                             The_Number_Of_Characters_Sent : System.Address);
    pragma Interface (C, Send_String_C);
    pragma Interface_Information (Send_String_C, ".Send_String");


    procedure Send_String (The_Remote_Socket_Id : in Socket_Defs.Socket_Id;
                           The_Buffer_To_Send : in out Low_Level_Message.Object;
                           The_Number_Of_Characters_Sent : out Integer  
                           ) is
        The_C_Buffer : constant String :=
           Ada_C.String_Ada_To_C (The_Buffer_To_Send.The_String);
    begin  
        Text_Io.Put_Line ("Physical_layer).Send_String : Before sending.)");
        Send_String_C (The_Remote_Socket_Id,
                       The_C_Buffer (The_C_Buffer'First)'Address,
                       The_Buffer_To_Send.The_Size,
                       The_Number_Of_Characters_Sent'Address);
        Text_Io.Put_Line
           ("Physical_layer).Send_String : After sending : End.)");
    end Send_String;





    procedure Receive_String_C
                 (The_Remote_Socket_Id              : Socket_Defs.Socket_Id;
                  The_Buffer_To_Receive             : System.Address;
                  The_Length_Of_Buffer_To_Receive   : Integer;  
                  The_Number_Of_Caracteres_Received : System.Address);
    pragma Interface (C, Receive_String_C);
    pragma Interface_Information (Receive_String_C, ".Receive_String");


    procedure Receive_String
                 (The_Remote_Socket_Id : in Socket_Defs.Socket_Id;
                  The_Buffer_To_Receive : in out Low_Level_Message.Object;  
                  The_Number_Of_Characters_Received : in out Integer) is

        The_Tmp_Received_Buffer : Low_Level_Message.Object;
    begin
        Text_Io.Put_Line
           ("Physical_layer).Receive_String : Before receiving.)");

        Receive_String_C (The_Remote_Socket_Id,
                          The_Tmp_Received_Buffer.The_String
                             (The_Tmp_Received_Buffer.The_String'First)'Address,
                          The_Tmp_Received_Buffer.The_Size,
                          The_Number_Of_Characters_Received'Address);

        Text_Io.Put_Line
           ("Physical_layer).Receive_String : After receiving ...)");

        The_Buffer_To_Receive :=
           Low_Level_Message.Create
              (The_Tmp_Received_Buffer.The_String
                  (1 .. The_Number_Of_Characters_Received));

        Text_Io.Put_Line ("Physical_layer).Receive_String : End.)");

        -- Receive_String_C (The_Remote_Socket_Id, The_Buffer_To_Receive (The_Buffer_To_Receive'First)'Address,
        --                   The_Length_Of_Buffer_To_Receive, The_Number_Of_Caracteres_Received'Address);




    end Receive_String;

end Physical_Layer;