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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* en Automatique. All rights reserved. This file is distributed */
/* under the terms of the GNU Library General Public License. */
/* */
/***********************************************************************/
/* $Id$ */
#include <string.h>
#include <mlvalues.h>
#include <alloc.h>
#include <memory.h>
#include <errno.h>
#include "unixsupport.h"
#ifdef HAS_SOCKETS
#include "socketaddr.h"
#ifdef _WIN32
#define EAFNOSUPPORT WSAEAFNOSUPPORT
#endif
union sock_addr_union sock_addr;
int sock_addr_len;
value alloc_inet_addr(unsigned int a)
{
value res;
res = alloc_string(sizeof(uint32));
GET_INET_ADDR(res) = a;
return res;
}
void get_sockaddr(value a)
{
switch(Tag_val(a)) {
#ifndef _WIN32
case 0: /* ADDR_UNIX */
{ value path;
mlsize_t len;
path = Field(a, 0);
len = string_length(path);
sock_addr.s_unix.sun_family = AF_UNIX;
if (len >= sizeof(sock_addr.s_unix.sun_path)) {
unix_error(ENAMETOOLONG, "", path);
}
bcopy(String_val(path), sock_addr.s_unix.sun_path, (int) len + 1);
sock_addr_len =
((char *)&(sock_addr.s_unix.sun_path) - (char *)&(sock_addr.s_unix))
+ len;
break;
}
#endif
case 1: /* ADDR_INET */
{
char * p;
int n;
for (p = (char *) &sock_addr.s_inet, n = sizeof(sock_addr.s_inet);
n > 0; p++, n--)
*p = 0;
sock_addr.s_inet.sin_family = AF_INET;
sock_addr.s_inet.sin_addr.s_addr = GET_INET_ADDR(Field(a, 0));
sock_addr.s_inet.sin_port = htons(Int_val(Field(a, 1)));
sock_addr_len = sizeof(struct sockaddr_in);
break;
}
}
}
value alloc_sockaddr(void)
{
value res;
switch(sock_addr.s_gen.sa_family) {
#ifndef _WIN32
case AF_UNIX:
{ value n = copy_string(sock_addr.s_unix.sun_path);
Begin_root (n);
res = alloc_small(1, 0);
Field(res,0) = n;
End_roots();
break;
}
#endif
case AF_INET:
{ value a = alloc_inet_addr(sock_addr.s_inet.sin_addr.s_addr);
Begin_root (a);
res = alloc_small(2, 1);
Field(res,0) = a;
Field(res,1) = Val_int(ntohs(sock_addr.s_inet.sin_port));
End_roots();
break;
}
default:
unix_error(EAFNOSUPPORT, "", Nothing);
}
return res;
}
#endif
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