120 lines
3.9 KiB
C
120 lines
3.9 KiB
C
/***********************************************************************/
|
|
/* */
|
|
/* Objective Caml */
|
|
/* */
|
|
/* Xavier Leroy and Pascal Cuoq, 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 <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
|
|
};
|
|
|
|
CAMLprim value unix_recv(value sock, value buff, value ofs, value len, value flags)
|
|
{
|
|
int ret;
|
|
long numbytes;
|
|
char iobuf[UNIX_BUFFER_SIZE];
|
|
|
|
Begin_root (buff);
|
|
numbytes = Long_val(len);
|
|
if (numbytes > UNIX_BUFFER_SIZE) numbytes = UNIX_BUFFER_SIZE;
|
|
enter_blocking_section();
|
|
ret = recv((SOCKET) Handle_val(sock), iobuf, (int) numbytes,
|
|
convert_flag_list(flags, msg_flag_table));
|
|
leave_blocking_section();
|
|
if (ret == -1) unix_error(WSAGetLastError(), "recv", Nothing);
|
|
memmove (&Byte(buff, Long_val(ofs)), iobuf, ret);
|
|
End_roots();
|
|
return Val_int(ret);
|
|
}
|
|
|
|
CAMLprim value unix_recvfrom(value sock, value buff, value ofs, value len, value flags)
|
|
{
|
|
int ret;
|
|
long numbytes;
|
|
char iobuf[UNIX_BUFFER_SIZE];
|
|
value res;
|
|
value adr = Val_unit;
|
|
union sock_addr_union addr;
|
|
socklen_param_type addr_len;
|
|
|
|
Begin_roots2 (buff, adr);
|
|
numbytes = Long_val(len);
|
|
if (numbytes > UNIX_BUFFER_SIZE) numbytes = UNIX_BUFFER_SIZE;
|
|
addr_len = sizeof(sock_addr);
|
|
enter_blocking_section();
|
|
ret = recvfrom((SOCKET) Handle_val(sock),
|
|
iobuf, (int) numbytes,
|
|
convert_flag_list(flags, msg_flag_table),
|
|
&addr.s_gen, &addr_len);
|
|
leave_blocking_section();
|
|
if (ret == -1) unix_error(WSAGetLastError(), "recvfrom", Nothing);
|
|
memmove (&Byte(buff, Long_val(ofs)), iobuf, ret);
|
|
adr = alloc_sockaddr(&addr, addr_len);
|
|
res = alloc_small(2, 0);
|
|
Field(res, 0) = Val_int(ret);
|
|
Field(res, 1) = adr;
|
|
End_roots();
|
|
return res;
|
|
}
|
|
|
|
CAMLprim value unix_send(value sock, value buff, value ofs, value len, value flags)
|
|
{
|
|
int ret;
|
|
long numbytes;
|
|
char iobuf[UNIX_BUFFER_SIZE];
|
|
|
|
numbytes = Long_val(len);
|
|
if (numbytes > UNIX_BUFFER_SIZE) numbytes = UNIX_BUFFER_SIZE;
|
|
memmove (iobuf, &Byte(buff, Long_val(ofs)), numbytes);
|
|
enter_blocking_section();
|
|
ret = send((SOCKET) Handle_val(sock), iobuf, (int) numbytes,
|
|
convert_flag_list(flags, msg_flag_table));
|
|
leave_blocking_section();
|
|
if (ret == -1) unix_error(WSAGetLastError(), "send", Nothing);
|
|
return Val_int(ret);
|
|
}
|
|
|
|
value unix_sendto_native(value sock, value buff, value ofs, value len, value flags, value dest)
|
|
{
|
|
int ret;
|
|
long numbytes;
|
|
char iobuf[UNIX_BUFFER_SIZE];
|
|
union sock_addr_union addr;
|
|
socklen_param_type addr_len;
|
|
|
|
get_sockaddr(dest, &addr, &addr_len);
|
|
numbytes = Long_val(len);
|
|
if (numbytes > UNIX_BUFFER_SIZE) numbytes = UNIX_BUFFER_SIZE;
|
|
memmove (iobuf, &Byte(buff, Long_val(ofs)), numbytes);
|
|
enter_blocking_section();
|
|
ret = sendto((SOCKET) Handle_val(sock),
|
|
iobuf, (int) numbytes,
|
|
convert_flag_list(flags, msg_flag_table),
|
|
&addr.s_gen, addr_len);
|
|
leave_blocking_section();
|
|
if (ret == -1) unix_error(WSAGetLastError(), "sendto", Nothing);
|
|
return Val_int(ret);
|
|
}
|
|
|
|
CAMLprim value unix_sendto(argv, argc)
|
|
value * argv;
|
|
int argc;
|
|
{
|
|
return unix_sendto_native
|
|
(argv[0], argv[1], argv[2], argv[3], argv[4], argv[5]);
|
|
}
|