ocaml/otherlibs/win32unix/sendrecv.c

99 lines
3.1 KiB
C

/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy and Pascal Cuoq, projet Cristal, INRIA Rocquencourt */
/* */
/* Copyright 1996 Institut National de Recherche en Informatique et */
/* Automatique. Distributed only by permission. */
/* */
/***********************************************************************/
/* $Id$ */
#include <mlvalues.h>
#include <alloc.h>
#include <memory.h>
#include "unixsupport.h"
#include "socketaddr.h"
static int msg_flag_table[] = {
MSG_OOB, MSG_DONTROUTE, MSG_PEEK
};
value unix_recv(sock, buff, ofs, len, flags) /* ML */
value sock, buff, ofs, len, flags;
{
int ret;
buff = unix_freeze_buffer(buff);
enter_blocking_section();
ret = recv((SOCKET) _get_osfhandle(Int_val(sock)),
&Byte(buff, Long_val(ofs)), Int_val(len),
convert_flag_list(flags, msg_flag_table));
leave_blocking_section();
if (ret == -1) uerror("recv", Nothing);
return Val_int(ret);
}
value unix_recvfrom(sock, buff, ofs, len, flags) /* ML */
value sock, buff, ofs, len, flags;
{
int retcode;
value res;
Push_roots(a, 1);
buff = unix_freeze_buffer(buff);
sock_addr_len = sizeof(sock_addr);
enter_blocking_section();
retcode = recvfrom((SOCKET) _get_osfhandle(Int_val(sock)),
&Byte(buff, Long_val(ofs)), Int_val(len),
convert_flag_list(flags, msg_flag_table),
&sock_addr.s_gen, &sock_addr_len);
leave_blocking_section();
if (retcode == -1) uerror("recvfrom", Nothing);
a[0] = alloc_sockaddr();
res = alloc_tuple(2);
Field(res, 0) = Val_int(retcode);
Field(res, 1) = a[0];
Pop_roots();
return res;
}
value unix_send(sock, buff, ofs, len, flags) /* ML */
value sock, buff, ofs, len, flags;
{
int ret;
buff = unix_freeze_buffer(buff);
enter_blocking_section();
ret = send((SOCKET) _get_osfhandle(Int_val(sock)),
&Byte(buff, Long_val(ofs)), Int_val(len),
convert_flag_list(flags, msg_flag_table));
leave_blocking_section();
if (ret == -1) uerror("send", Nothing);
return Val_int(ret);
}
value unix_sendto_native(sock, buff, ofs, len, flags, dest)
value sock, buff, ofs, len, flags, dest;
{
int ret;
get_sockaddr(dest);
buff = unix_freeze_buffer(buff);
enter_blocking_section();
ret = sendto((SOCKET) _get_osfhandle(Int_val(sock)),
&Byte(buff, Long_val(ofs)),
Int_val(len), convert_flag_list(flags, msg_flag_table),
&sock_addr.s_gen, sock_addr_len);
leave_blocking_section();
if (ret == -1) uerror("sendto", Nothing);
return Val_int(ret);
}
value unix_sendto(argv, argc) /* ML */
value * argv;
int argc;
{
return unix_sendto_native
(argv[0], argv[1], argv[2], argv[3], argv[4], argv[5]);
}