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/***********************************************************************/
/* */
/* Objective Caml */
/* */
/* Xavier Leroy, 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 <signals.h>
#include "unixsupport.h"
#ifdef HAS_SOCKETS
#include "socketaddr.h"
#endif
#if defined(HAS_SOCKETS) && defined(MSG_OOB) && defined(MSG_DONTROUTE) && defined(MSG_PEEK)
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;
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(Int_val(sock), iobuf, (int) numbytes,
convert_flag_list(flags, msg_flag_table));
leave_blocking_section();
if (ret == -1) uerror("recv", Nothing);
bcopy(iobuf, &Byte(buff, Long_val(ofs)), ret);
End_roots();
return Val_int(ret);
}
value unix_recvfrom(sock, buff, ofs, len, flags) /* ML */
value sock, buff, ofs, len, flags;
{
int ret;
long numbytes;
char iobuf[UNIX_BUFFER_SIZE];
value res;
value adr = Val_unit;
Begin_roots2 (buff, adr);
numbytes = Long_val(len);
if (numbytes > UNIX_BUFFER_SIZE) numbytes = UNIX_BUFFER_SIZE;
sock_addr_len = sizeof(sock_addr);
enter_blocking_section();
ret = recvfrom(Int_val(sock), iobuf, (int) numbytes,
convert_flag_list(flags, msg_flag_table),
&sock_addr.s_gen, &sock_addr_len);
leave_blocking_section();
if (ret == -1) uerror("recvfrom", Nothing);
bcopy(iobuf, &Byte(buff, Long_val(ofs)), ret);
adr = alloc_sockaddr();
res = alloc_tuple(2);
Field(res, 0) = Val_int(ret);
Field(res, 1) = adr;
End_roots();
return res;
}
value unix_send(sock, buff, ofs, len, flags) /* ML */
value sock, buff, ofs, len, flags;
{
int ret;
long numbytes;
char iobuf[UNIX_BUFFER_SIZE];
numbytes = Long_val(len);
if (numbytes > UNIX_BUFFER_SIZE) numbytes = UNIX_BUFFER_SIZE;
bcopy(&Byte(buff, Long_val(ofs)), iobuf, numbytes);
enter_blocking_section();
ret = send(Int_val(sock), iobuf, (int) numbytes,
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;
long numbytes;
char iobuf[UNIX_BUFFER_SIZE];
get_sockaddr(dest);
numbytes = Long_val(len);
if (numbytes > UNIX_BUFFER_SIZE) numbytes = UNIX_BUFFER_SIZE;
bcopy(&Byte(buff, Long_val(ofs)), iobuf, numbytes);
enter_blocking_section();
ret = sendto(Int_val(sock), iobuf, (int) numbytes,
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]);
}
#else
value unix_recv() { invalid_argument("recv not implemented"); }
value unix_recvfrom() { invalid_argument("recvfrom not implemented"); }
value unix_send() { invalid_argument("send not implemented"); }
value unix_sendto_native() { invalid_argument("sendto not implemented"); }
value unix_sendto() { invalid_argument("sendto not implemented"); }
#endif
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