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⟦5c35e78eb⟧ Ada Source

    Length: 5120 (0x1400)
    Types: Ada Source
    Notes: 03_class, FILE, R1k_Segment, e3_tag, procedure Open_Server, seg_0520f6, separate Transport

Derivation

└─⟦8527c1e9b⟧ Bits:30000544 8mm tape, Rational 1000, Arrival backup of disks in PAM's R1000
    └─ ⟦5a81ac88f⟧ »Space Info Vol 1« 
        └─⟦this⟧ 

with Text_Io;
use Text_Io;

with Socket_Misc;
separate (Transport)
procedure Open_Server (Connection : out Transport.Connection_Id;
                       Status : out Transport_Defs.Status_Code;
                       Network : in Transport_Defs.Network_Name;
                       Local_Socket : in Transport_Defs.Socket_Id) is

    Laddr_In : Socket_System_Interface.Sockaddr_In :=
       (Sin_Family => Socket_System_Interface.Af_Inet,
        Sin_Port => Unix_Base_Types.Ushort
                       (Byte_String_To_Integer
                           (Byte_Defs.Byte_String  
                               (Transport_Defs.Normalize (Local_Socket)))),  
        Sin_Addr => Socket_System_Interface.Inaddr_Any,
        Sin_Zero => (others => Ascii.Nul));

    Laddrlen : Unix_Base_Types.Int := Laddr_In'Size / System.Storage_Unit;



    function To_Unix_Int_Ptr is  
       new Unchecked_Conversion (Source => System.Address,
                                 Target => Unix_Base_Types.Int_Ptr);



    Laddrlen_Ptr : Unix_Base_Types.Int_Ptr :=
       To_Unix_Int_Ptr (Laddrlen'Address);

    Laddr_In_Ptr : Socket_System_Interface.Sockaddr_In_Ptr :=
       To_Sockaddr_In_Ptr (Laddr_In'Address);

    New_Connect : Transport.Connection_Id;
    Network_Socket : Unix_Base_Types.Int;
    System_Call_Result : Unix_Base_Types.Int;
    Errno : Unix_Base_Types.Int;

begin

    Connection := Null_Connection_Id;
    Status := Transport_Defs.Ok;

    Start_System_Call;

    Network_Socket :=
       Socket_System_Interface.Socket
          (Af => Unix_Base_Types.Int (Socket_System_Interface.Af_Inet),
           Socket_Type => Socket_System_Interface.Sock_Stream,
           Protocol => 0);

    Errno := Finish_System_Call;

    if (Network_Socket < 0) then
        Status := Convert_Errno (Errno => Errno);
        return;
    end if;

    Start_System_Call;

    System_Call_Result :=
       Socket_System_Interface.Bind
          (S => Network_Socket, Addr => Laddr_In_Ptr, Addrlen => Laddrlen);
    Errno := Finish_System_Call;

    if (System_Call_Result < 0) then
        Status := Convert_Errno (Errno => Errno);
        Start_System_Call;
        System_Call_Result := System_Interface.File_Io.Close (Network_Socket);
        Errno := Finish_System_Call;
        return;
    end if;


    Start_System_Call;

    System_Call_Result :=  
       Socket_System_Interface.Listen (S => Network_Socket, Backlog => 5);
    Errno := Finish_System_Call;

    if (System_Call_Result < 0) then
        Status := Convert_Errno (Errno => Errno);
        Start_System_Call;
        System_Call_Result := System_Interface.File_Io.Close (Network_Socket);
        Errno := Finish_System_Call;
        return;
    end if;

    -- To reach this point, the Server has been successfully Open, Bound and
    -- is Listening.  We need to establish a connection_id with the correct
    -- information.

    New_Connect := Get;
    New_Connect.Kind := Server;
    New_Connect.Socket_Status := Open;
    New_Connect.Local_Socket_Descriptor := Network_Socket;
    New_Connect.Tcp_Socket_Descriptor := Unix_Error;
    --  New_Connect.Local_Sockaddr_In       := Laddr_In;

    System_Call_Result := Socket_Misc.Getsockname (Socket => Network_Socket,
                                                   Name => Laddr_In_Ptr,
                                                   Name_Length => Laddrlen_Ptr);

    New_Connect.Local_Sockaddr_In := Laddr_In_Ptr.all;

    Put_Line ("transport.open_server: port => " &
              Integer'Image (Integer ((Laddr_In_Ptr.Sin_Port))));


    -- Tcp_Socket_Descriptor will be set during _accept (Transport.Connect)

    Connection := New_Connect;

end Open_Server;

    nblk1=4
    nid=0
    hdr6=8
        [0x00] rec0=1b rec1=00 rec2=01 rec3=03e
        [0x01] rec0=26 rec1=00 rec2=02 rec3=01c
        [0x02] rec0=1c rec1=00 rec2=03 rec3=090
        [0x03] rec0=19 rec1=00 rec2=04 rec3=000
    tail 0x2154ba67887a05cb7718e 0x42a00088462060003