134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/***********************************************************************/
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/* */
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/* Objective Caml */
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/* */
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/* Xavier Leroy and Pascal Cuoq, projet Cristal, INRIA Rocquencourt */
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/* */
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/* Copyright 1996 Institut National de Recherche en Informatique et */
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/* en Automatique. All rights reserved. This file is distributed */
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/* under the terms of the GNU Library General Public License, with */
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/* the special exception on linking described in file ../../LICENSE. */
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/* */
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/***********************************************************************/
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/* $Id$ */
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#include <mlvalues.h>
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#include <alloc.h>
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#include <memory.h>
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#include <signals.h>
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#include "unixsupport.h"
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#include "socketaddr.h"
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static int msg_flag_table[] = {
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MSG_OOB, MSG_DONTROUTE, MSG_PEEK
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};
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CAMLprim value unix_recv(value sock, value buff, value ofs, value len, value flags)
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{
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int ret;
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intnat numbytes;
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char iobuf[UNIX_BUFFER_SIZE];
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Begin_root (buff);
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numbytes = Long_val(len);
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if (numbytes > UNIX_BUFFER_SIZE) numbytes = UNIX_BUFFER_SIZE;
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enter_blocking_section();
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ret = recv(Socket_val(sock), iobuf, (int) numbytes,
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convert_flag_list(flags, msg_flag_table));
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leave_blocking_section();
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if (ret == -1) {
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win32_maperr(WSAGetLastError());
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uerror("recv", Nothing);
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}
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memmove (&Byte(buff, Long_val(ofs)), iobuf, ret);
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End_roots();
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return Val_int(ret);
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}
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CAMLprim value unix_recvfrom(value sock, value buff, value ofs, value len, value flags)
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{
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int ret;
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intnat numbytes;
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char iobuf[UNIX_BUFFER_SIZE];
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value res;
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value adr = Val_unit;
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union sock_addr_union addr;
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socklen_param_type addr_len;
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Begin_roots2 (buff, adr);
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numbytes = Long_val(len);
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if (numbytes > UNIX_BUFFER_SIZE) numbytes = UNIX_BUFFER_SIZE;
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addr_len = sizeof(sock_addr);
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enter_blocking_section();
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ret = recvfrom(Socket_val(sock),
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iobuf, (int) numbytes,
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convert_flag_list(flags, msg_flag_table),
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&addr.s_gen, &addr_len);
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leave_blocking_section();
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if (ret == -1) {
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win32_maperr(WSAGetLastError());
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uerror("recvfrom", Nothing);
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}
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memmove (&Byte(buff, Long_val(ofs)), iobuf, ret);
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adr = alloc_sockaddr(&addr, addr_len, -1);
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res = alloc_small(2, 0);
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Field(res, 0) = Val_int(ret);
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Field(res, 1) = adr;
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End_roots();
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return res;
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}
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CAMLprim value unix_send(value sock, value buff, value ofs, value len, value flags)
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{
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int ret;
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intnat numbytes;
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char iobuf[UNIX_BUFFER_SIZE];
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numbytes = Long_val(len);
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if (numbytes > UNIX_BUFFER_SIZE) numbytes = UNIX_BUFFER_SIZE;
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memmove (iobuf, &Byte(buff, Long_val(ofs)), numbytes);
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enter_blocking_section();
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ret = send(Socket_val(sock), iobuf, (int) numbytes,
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convert_flag_list(flags, msg_flag_table));
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leave_blocking_section();
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if (ret == -1) {
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win32_maperr(WSAGetLastError());
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uerror("send", Nothing);
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}
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return Val_int(ret);
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}
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value unix_sendto_native(value sock, value buff, value ofs, value len, value flags, value dest)
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{
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int ret;
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intnat numbytes;
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char iobuf[UNIX_BUFFER_SIZE];
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union sock_addr_union addr;
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socklen_param_type addr_len;
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get_sockaddr(dest, &addr, &addr_len);
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numbytes = Long_val(len);
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if (numbytes > UNIX_BUFFER_SIZE) numbytes = UNIX_BUFFER_SIZE;
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memmove (iobuf, &Byte(buff, Long_val(ofs)), numbytes);
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enter_blocking_section();
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ret = sendto(Socket_val(sock),
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iobuf, (int) numbytes,
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convert_flag_list(flags, msg_flag_table),
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&addr.s_gen, addr_len);
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leave_blocking_section();
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if (ret == -1) {
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win32_maperr(WSAGetLastError());
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uerror("sendto", Nothing);
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}
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return Val_int(ret);
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}
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CAMLprim value unix_sendto(argv, argc)
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value * argv;
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int argc;
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{
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return unix_sendto_native
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(argv[0], argv[1], argv[2], argv[3], argv[4], argv[5]);
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}
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