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with Interfaces.C.Pointers;
with Interfaces.C.Strings;
with GNAT.Sockets.Constants;
with System;
package GNAT.Sockets.Thin is
package C renames Interfaces.C;
use type C.int;
Success : constant C.int := 0;
Failure : constant C.int := -1;
function Socket_Errno return Integer;
procedure Set_Socket_Errno (Errno : Integer);
function Socket_Error_Message
(Errno : Integer)
return C.Strings.chars_ptr;
subtype Fd_Set_Access is System.Address;
No_Fd_Set : constant Fd_Set_Access := System.Null_Address;
type Timeval_Unit is new C.long;
pragma Convention (C, Timeval_Unit);
type Timeval is record
Tv_Sec : Timeval_Unit;
Tv_Usec : Timeval_Unit;
end record;
pragma Convention (C, Timeval);
type Timeval_Access is access all Timeval;
pragma Convention (C, Timeval_Access);
Immediat : constant Timeval := (0, 0);
type Int_Access is access all C.int;
pragma Convention (C, Int_Access);
type Chars_Ptr_Array is array (C.size_t range <>) of
aliased C.Strings.chars_ptr;
package Chars_Ptr_Pointers is
new C.Pointers (C.size_t, C.Strings.chars_ptr, Chars_Ptr_Array,
C.Strings.Null_Ptr);
type In_Addr is record
S_B1, S_B2, S_B3, S_B4 : C.unsigned_char;
end record;
pragma Convention (C, In_Addr);
type In_Addr_Access is access all In_Addr;
pragma Convention (C, In_Addr_Access);
Inaddr_Any : aliased constant In_Addr := (others => 0);
type In_Addr_Access_Array is array (C.size_t range <>)
of aliased In_Addr_Access;
pragma Convention (C, In_Addr_Access_Array);
package In_Addr_Access_Pointers is
new C.Pointers (C.size_t, In_Addr_Access, In_Addr_Access_Array, null);
type Sockaddr is record
Sa_Family : C.unsigned_short;
Sa_Data : C.char_array (1 .. 14);
end record;
pragma Convention (C, Sockaddr);
type Sockaddr_Access is access all Sockaddr;
pragma Convention (C, Sockaddr_Access);
type Sockaddr_In is record
Sin_Family : C.unsigned_short := Constants.AF_INET;
Sin_Port : C.unsigned_short := 0;
Sin_Addr : In_Addr := Inaddr_Any;
Sin_Zero : C.char_array (1 .. 8) := (others => C.char'Val (0));
end record;
pragma Convention (C, Sockaddr_In);
type Sockaddr_In_Access is access all Sockaddr_In;
pragma Convention (C, Sockaddr_In_Access);
procedure Set_Length
(Sin : Sockaddr_In_Access;
Len : C.int);
pragma Inline (Set_Length);
procedure Set_Family
(Sin : Sockaddr_In_Access;
Family : C.int);
pragma Inline (Set_Family);
procedure Set_Port
(Sin : Sockaddr_In_Access;
Port : C.unsigned_short);
pragma Inline (Set_Port);
procedure Set_Address
(Sin : Sockaddr_In_Access;
Address : In_Addr);
pragma Inline (Set_Address);
type Hostent is record
H_Name : C.Strings.chars_ptr;
H_Aliases : Chars_Ptr_Pointers.Pointer;
H_Addrtype : C.short;
H_Length : C.short;
H_Addr_List : In_Addr_Access_Pointers.Pointer;
end record;
pragma Convention (C, Hostent);
type Hostent_Access is access all Hostent;
pragma Convention (C, Hostent_Access);
type Servent is record
S_Name : C.Strings.chars_ptr;
S_Aliases : Chars_Ptr_Pointers.Pointer;
S_Port : C.int;
S_Proto : C.Strings.chars_ptr;
end record;
pragma Convention (C, Servent);
type Servent_Access is access all Servent;
pragma Convention (C, Servent_Access);
type Two_Int is array (0 .. 1) of C.int;
pragma Convention (C, Two_Int);
function C_Accept
(S : C.int;
Addr : System.Address;
Addrlen : access C.int) return C.int;
function C_Bind
(S : C.int;
Name : System.Address;
Namelen : C.int) return C.int;
function C_Close
(Fd : C.int) return C.int;
function C_Connect
(S : C.int;
Name : System.Address;
Namelen : C.int) return C.int;
function C_Gethostbyaddr
(Addr : System.Address;
Length : C.int;
Typ : C.int) return Hostent_Access;
function C_Gethostbyname
(Name : C.char_array) return Hostent_Access;
function C_Gethostname
(Name : System.Address;
Namelen : C.int) return C.int;
function C_Getpeername
(S : C.int;
Name : System.Address;
Namelen : access C.int) return C.int;
function C_Getservbyname
(Name : C.char_array;
Proto : C.char_array) return Servent_Access;
function C_Getservbyport
(Port : C.int;
Proto : C.char_array) return Servent_Access;
function C_Getsockname
(S : C.int;
Name : System.Address;
Namelen : access C.int) return C.int;
function C_Getsockopt
(S : C.int;
Level : C.int;
Optname : C.int;
Optval : System.Address;
Optlen : access C.int) return C.int;
function C_Inet_Addr
(Cp : C.Strings.chars_ptr) return C.int;
function C_Ioctl
(S : C.int;
Req : C.int;
Arg : Int_Access) return C.int;
function C_Listen
(S : C.int;
Backlog : C.int) return C.int;
function C_Readv
(Socket : C.int;
Iov : System.Address;
Iovcnt : C.int) return C.int;
function C_Recv
(S : C.int;
Buf : System.Address;
Len : C.int;
Flags : C.int) return C.int;
function C_Recvfrom
(S : C.int;
Buf : System.Address;
Len : C.int;
Flags : C.int;
From : Sockaddr_In_Access;
Fromlen : access C.int) return C.int;
function C_Select
(Nfds : C.int;
Readfds : Fd_Set_Access;
Writefds : Fd_Set_Access;
Exceptfds : Fd_Set_Access;
Timeout : Timeval_Access) return C.int;
function C_Send
(S : C.int;
Buf : System.Address;
Len : C.int;
Flags : C.int) return C.int;
function C_Sendto
(S : C.int;
Msg : System.Address;
Len : C.int;
Flags : C.int;
To : Sockaddr_In_Access;
Tolen : C.int) return C.int;
function C_Setsockopt
(S : C.int;
Level : C.int;
Optname : C.int;
Optval : System.Address;
Optlen : C.int) return C.int;
function C_Shutdown
(S : C.int;
How : C.int) return C.int;
function C_Socket
(Domain : C.int;
Typ : C.int;
Protocol : C.int) return C.int;
function C_Strerror
(Errnum : C.int) return C.Strings.chars_ptr;
function C_System
(Command : System.Address) return C.int;
function C_Writev
(Socket : C.int;
Iov : System.Address;
Iovcnt : C.int) return C.int;
function WSAStartup
(WS_Version : Interfaces.C.int;
WSADataAddress : System.Address) return Interfaces.C.int;
procedure Free_Socket_Set
(Set : Fd_Set_Access);
procedure Get_Socket_From_Set
(Set : Fd_Set_Access;
Socket : Int_Access;
Last : Int_Access);
procedure Insert_Socket_In_Set
(Set : Fd_Set_Access;
Socket : C.int);
function Is_Socket_In_Set
(Set : Fd_Set_Access;
Socket : C.int) return C.int;
procedure Last_Socket_In_Set
(Set : Fd_Set_Access;
Last : Int_Access);
function New_Socket_Set
(Set : Fd_Set_Access) return Fd_Set_Access;
procedure Remove_Socket_From_Set
(Set : Fd_Set_Access;
Socket : C.int);
procedure WSACleanup;
procedure Finalize;
procedure Initialize (Process_Blocking_IO : Boolean := False);
private
pragma Import (Stdcall, C_Accept, "accept");
pragma Import (Stdcall, C_Bind, "bind");
pragma Import (Stdcall, C_Close, "closesocket");
pragma Import (Stdcall, C_Gethostbyaddr, "gethostbyaddr");
pragma Import (Stdcall, C_Gethostbyname, "gethostbyname");
pragma Import (Stdcall, C_Gethostname, "gethostname");
pragma Import (Stdcall, C_Getpeername, "getpeername");
pragma Import (Stdcall, C_Getservbyname, "getservbyname");
pragma Import (Stdcall, C_Getservbyport, "getservbyport");
pragma Import (Stdcall, C_Getsockname, "getsockname");
pragma Import (Stdcall, C_Getsockopt, "getsockopt");
pragma Import (Stdcall, C_Inet_Addr, "inet_addr");
pragma Import (Stdcall, C_Ioctl, "ioctlsocket");
pragma Import (Stdcall, C_Listen, "listen");
pragma Import (Stdcall, C_Recv, "recv");
pragma Import (Stdcall, C_Recvfrom, "recvfrom");
pragma Import (Stdcall, C_Send, "send");
pragma Import (Stdcall, C_Sendto, "sendto");
pragma Import (Stdcall, C_Setsockopt, "setsockopt");
pragma Import (Stdcall, C_Shutdown, "shutdown");
pragma Import (Stdcall, C_Socket, "socket");
pragma Import (C, C_Strerror, "strerror");
pragma Import (C, C_System, "_system");
pragma Import (Stdcall, Socket_Errno, "WSAGetLastError");
pragma Import (Stdcall, Set_Socket_Errno, "WSASetLastError");
pragma Import (Stdcall, WSAStartup, "WSAStartup");
pragma Import (Stdcall, WSACleanup, "WSACleanup");
pragma Import (C, Free_Socket_Set, "__gnat_free_socket_set");
pragma Import (C, Get_Socket_From_Set, "__gnat_get_socket_from_set");
pragma Import (C, Is_Socket_In_Set, "__gnat_is_socket_in_set");
pragma Import (C, Last_Socket_In_Set, "__gnat_last_socket_in_set");
pragma Import (C, New_Socket_Set, "__gnat_new_socket_set");
pragma Import (C, Insert_Socket_In_Set, "__gnat_insert_socket_in_set");
pragma Import (C, Remove_Socket_From_Set, "__gnat_remove_socket_from_set");
end GNAT.Sockets.Thin;