mirror of
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830 lines
21 KiB
C
830 lines
21 KiB
C
/* Copyright (C) 1996,1997,1998 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307 USA
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*
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* As a special exception, the Free Software Foundation gives permission
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* for additional uses of the text contained in its release of GUILE.
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*
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* The exception is that, if you link the GUILE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the GUILE library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the
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* Free Software Foundation under the name GUILE. If you copy
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* code from other Free Software Foundation releases into a copy of
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* GUILE, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for GUILE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice. */
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/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999,
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gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */
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#include <stdio.h>
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#include "_scm.h"
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#include "unif.h"
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#include "feature.h"
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#include "fports.h"
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#include "scm_validate.h"
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#include "socket.h"
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h>
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#endif
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#include <sys/types.h>
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#include <sys/socket.h>
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#ifdef HAVE_UNIX_DOMAIN_SOCKETS
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#include <sys/un.h>
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#endif
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#include <netinet/in.h>
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#include <netdb.h>
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#include <arpa/inet.h>
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GUILE_PROC (scm_htons, "htons", 1, 0, 0,
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(SCM in),
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"")
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#define FUNC_NAME s_scm_htons
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{
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unsigned short c_in;
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SCM_VALIDATE_INT_COPY(1,in,c_in);
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if (c_in != SCM_INUM (in))
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SCM_OUT_OF_RANGE (1,in);
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return SCM_MAKINUM (htons (c_in));
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}
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#undef FUNC_NAME
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GUILE_PROC (scm_ntohs, "ntohs", 1, 0, 0,
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(SCM in),
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"")
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#define FUNC_NAME s_scm_ntohs
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{
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unsigned short c_in;
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SCM_VALIDATE_INT_COPY(1,in,c_in);
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if (c_in != SCM_INUM (in))
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SCM_OUT_OF_RANGE (1,in);
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return SCM_MAKINUM (ntohs (c_in));
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}
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#undef FUNC_NAME
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GUILE_PROC (scm_htonl, "htonl", 1, 0, 0,
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(SCM in),
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"")
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#define FUNC_NAME s_scm_htonl
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{
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unsigned long c_in = SCM_NUM2ULONG (1,in);
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return scm_ulong2num (htonl (c_in));
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}
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#undef FUNC_NAME
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GUILE_PROC (scm_ntohl, "ntohl", 1, 0, 0,
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(SCM in),
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"")
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#define FUNC_NAME s_scm_ntohl
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{
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unsigned long c_in = SCM_NUM2ULONG (1,in);
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return scm_ulong2num (ntohl (c_in));
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}
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#undef FUNC_NAME
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SCM_SYMBOL (sym_socket, "socket");
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static SCM
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scm_sock_fd_to_port (int fd, const char *proc)
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{
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SCM result;
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if (fd == -1)
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scm_syserror (proc);
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result = scm_fdes_to_port (fd, "r+0", sym_socket);
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return result;
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}
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#define SCM_SOCK_FD_TO_PORT(fd) (scm_sock_fd_to_port((fd),FUNC_NAME))
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GUILE_PROC (scm_socket, "socket", 3, 0, 0,
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(SCM family, SCM style, SCM proto),
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"")
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#define FUNC_NAME s_scm_socket
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{
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int fd;
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SCM result;
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SCM_VALIDATE_INT(1,family);
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SCM_VALIDATE_INT(2,style);
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SCM_VALIDATE_INT(3,proto);
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fd = socket (SCM_INUM (family), SCM_INUM (style), SCM_INUM (proto));
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result = SCM_SOCK_FD_TO_PORT (fd);
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return result;
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}
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#undef FUNC_NAME
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#ifdef HAVE_SOCKETPAIR
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GUILE_PROC (scm_socketpair, "socketpair", 3, 0, 0,
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(SCM family, SCM style, SCM proto),
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"")
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#define FUNC_NAME s_scm_socketpair
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{
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int fam;
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int fd[2];
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SCM a;
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SCM b;
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SCM_VALIDATE_INT(1,family);
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SCM_VALIDATE_INT(2,style);
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SCM_VALIDATE_INT(3,proto);
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fam = SCM_INUM (family);
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if (socketpair (fam, SCM_INUM (style), SCM_INUM (proto), fd) == -1)
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SCM_SYSERROR;
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a = SCM_SOCK_FD_TO_PORT(fd[0]);
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b = SCM_SOCK_FD_TO_PORT(fd[1]);
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return scm_cons (a, b);
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}
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#undef FUNC_NAME
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#endif
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GUILE_PROC (scm_getsockopt, "getsockopt", 3, 0, 0,
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(SCM sock, SCM level, SCM optname),
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"")
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#define FUNC_NAME s_scm_getsockopt
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{
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int fd;
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int optlen;
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#ifdef HAVE_STRUCT_LINGER
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char optval[sizeof (struct linger)];
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#else
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char optval[sizeof (scm_sizet)];
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#endif
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int ilevel;
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int ioptname;
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#ifdef HAVE_STRUCT_LINGER
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optlen = (int) sizeof (struct linger);
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#else
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optlen = (int) sizeof (scm_sizet);
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#endif
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sock = SCM_COERCE_OUTPORT (sock);
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SCM_VALIDATE_OPFPORT(1,sock);
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SCM_VALIDATE_INT_COPY(2,level,ilevel);
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SCM_VALIDATE_INT_COPY(3,optname,ioptname);
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fd = SCM_FPORT_FDES (sock);
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if (getsockopt (fd, ilevel, ioptname, (void *) optval, &optlen) == -1)
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SCM_SYSERROR;
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#ifdef SO_LINGER
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if (ilevel == SOL_SOCKET && ioptname == SO_LINGER)
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{
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#ifdef HAVE_STRUCT_LINGER
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struct linger *ling = (struct linger *) optval;
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return scm_cons (SCM_MAKINUM (ling->l_onoff),
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SCM_MAKINUM (ling->l_linger));
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#else
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scm_sizet *ling = (scm_sizet *) optval;
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return scm_cons (SCM_MAKINUM (*ling),
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SCM_MAKINUM (0));
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#endif
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}
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#endif
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#ifdef SO_SNDBUF
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if (ilevel == SOL_SOCKET && ioptname == SO_SNDBUF)
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{
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scm_sizet *bufsize = (scm_sizet *) optval;
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return SCM_MAKINUM (*bufsize);
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}
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#endif
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#ifdef SO_RCVBUF
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if (ilevel == SOL_SOCKET && ioptname == SO_RCVBUF)
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{
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scm_sizet *bufsize = (scm_sizet *) optval;
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return SCM_MAKINUM (*bufsize);
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}
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#endif
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return SCM_MAKINUM (*(int *) optval);
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}
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#undef FUNC_NAME
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GUILE_PROC (scm_setsockopt, "setsockopt", 4, 0, 0,
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(SCM sock, SCM level, SCM optname, SCM value),
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"")
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#define FUNC_NAME s_scm_setsockopt
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{
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int fd;
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int optlen;
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#ifdef HAVE_STRUCT_LINGER
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char optval[sizeof (struct linger)]; /* Biggest option :-( */
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#else
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char optval[sizeof (scm_sizet)];
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#endif
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int ilevel, ioptname;
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sock = SCM_COERCE_OUTPORT (sock);
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SCM_VALIDATE_OPFPORT(1,sock);
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SCM_VALIDATE_INT_COPY(2,level,ilevel);
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SCM_VALIDATE_INT_COPY(3,optname,ioptname);
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fd = SCM_FPORT_FDES (sock);
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if (0);
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#ifdef SO_LINGER
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else if (ilevel == SOL_SOCKET && ioptname == SO_LINGER)
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{
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#ifdef HAVE_STRUCT_LINGER
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struct linger ling;
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SCM_ASSERT (SCM_NIMP (value) && SCM_CONSP (value)
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&& SCM_INUMP (SCM_CAR (value))
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&& SCM_INUMP (SCM_CDR (value)),
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value, SCM_ARG4, FUNC_NAME);
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ling.l_onoff = SCM_INUM (SCM_CAR (value));
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ling.l_linger = SCM_INUM (SCM_CDR (value));
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optlen = (int) sizeof (struct linger);
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memcpy (optval, (void *) &ling, optlen);
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#else
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scm_sizet ling;
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SCM_ASSERT (SCM_NIMP (value) && SCM_CONSP (value)
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&& SCM_INUMP (SCM_CAR (value))
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&& SCM_INUMP (SCM_CDR (value)),
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value, SCM_ARG4, FUNC_NAME);
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ling = SCM_INUM (SCM_CAR (value));
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optlen = (int) sizeof (scm_sizet);
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(*(scm_sizet *) optval) = (scm_sizet) SCM_INUM (value);
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#endif
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}
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#endif
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#ifdef SO_SNDBUF
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else if (ilevel == SOL_SOCKET && ioptname == SO_SNDBUF)
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{
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SCM_VALIDATE_INT(4,value);
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optlen = (int) sizeof (scm_sizet);
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(*(scm_sizet *) optval) = (scm_sizet) SCM_INUM (value);
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}
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#endif
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#ifdef SO_RCVBUF
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else if (ilevel == SOL_SOCKET && ioptname == SO_RCVBUF)
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{
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SCM_VALIDATE_INT(4,value);
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optlen = (int) sizeof (scm_sizet);
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(*(scm_sizet *) optval) = (scm_sizet) SCM_INUM (value);
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}
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#endif
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else
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{
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/* Most options just take an int. */
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SCM_VALIDATE_INT(4,value);
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optlen = (int) sizeof (int);
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(*(int *) optval) = (int) SCM_INUM (value);
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}
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if (setsockopt (fd, ilevel, ioptname, (void *) optval, optlen) == -1)
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SCM_SYSERROR;
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return SCM_UNSPECIFIED;
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}
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#undef FUNC_NAME
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GUILE_PROC (scm_shutdown, "shutdown", 2, 0, 0,
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(SCM sock, SCM how),
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"")
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#define FUNC_NAME s_scm_shutdown
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{
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int fd;
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sock = SCM_COERCE_OUTPORT (sock);
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SCM_VALIDATE_OPFPORT(1,sock);
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SCM_VALIDATE_INT(2,how);
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SCM_ASSERT_RANGE(2,how,0 <= SCM_INUM (how) && 2 >= SCM_INUM (how));
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fd = SCM_FPORT_FDES (sock);
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if (shutdown (fd, SCM_INUM (how)) == -1)
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SCM_SYSERROR;
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return SCM_UNSPECIFIED;
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}
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#undef FUNC_NAME
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/* convert fam/address/args into a sockaddr of the appropriate type.
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args is modified by removing the arguments actually used.
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which_arg and proc are used when reporting errors:
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which_arg is the position of address in the original argument list.
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proc is the name of the original procedure.
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size returns the size of the structure allocated. */
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static struct sockaddr *
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scm_fill_sockaddr (int fam,SCM address,SCM *args,int which_arg,const char *proc,scm_sizet *size)
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{
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switch (fam)
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{
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case AF_INET:
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{
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SCM isport;
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struct sockaddr_in *soka;
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soka = (struct sockaddr_in *)
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scm_must_malloc (sizeof (struct sockaddr_in), proc);
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/* e.g., for BSDs which don't like invalid sin_len. */
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memset (soka, 0, sizeof (struct sockaddr_in));
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soka->sin_family = AF_INET;
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soka->sin_addr.s_addr =
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htonl (scm_num2ulong (address, (char *) which_arg, proc));
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SCM_ASSERT (SCM_NIMP (*args) && SCM_CONSP (*args), *args,
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which_arg + 1, proc);
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isport = SCM_CAR (*args);
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*args = SCM_CDR (*args);
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SCM_ASSERT (SCM_INUMP (isport), isport, which_arg + 1, proc);
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soka->sin_port = htons (SCM_INUM (isport));
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*size = sizeof (struct sockaddr_in);
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return (struct sockaddr *) soka;
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}
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#ifdef HAVE_UNIX_DOMAIN_SOCKETS
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case AF_UNIX:
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{
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struct sockaddr_un *soka;
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soka = (struct sockaddr_un *)
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scm_must_malloc (sizeof (struct sockaddr_un), proc);
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memset (soka, 0, sizeof (struct sockaddr_un));
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soka->sun_family = AF_UNIX;
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SCM_ASSERT (SCM_NIMP (address) && SCM_ROSTRINGP (address), address,
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which_arg, proc);
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memcpy (soka->sun_path, SCM_ROCHARS (address),
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1 + SCM_ROLENGTH (address));
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*size = sizeof (struct sockaddr_un);
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return (struct sockaddr *) soka;
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}
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#endif
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default:
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scm_out_of_range (proc, SCM_MAKINUM (fam));
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}
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}
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GUILE_PROC (scm_connect, "connect", 3, 0, 1,
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(SCM sock, SCM fam, SCM address, SCM args),
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"")
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#define FUNC_NAME s_scm_connect
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{
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int fd;
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struct sockaddr *soka;
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scm_sizet size;
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sock = SCM_COERCE_OUTPORT (sock);
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SCM_VALIDATE_OPFPORT(1,sock);
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SCM_VALIDATE_INT(2,fam);
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fd = SCM_FPORT_FDES (sock);
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soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME, &size);
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if (connect (fd, soka, size) == -1)
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SCM_SYSERROR;
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scm_must_free ((char *) soka);
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return SCM_UNSPECIFIED;
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}
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#undef FUNC_NAME
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GUILE_PROC (scm_bind, "bind", 3, 0, 1,
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(SCM sock, SCM fam, SCM address, SCM args),
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"")
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#define FUNC_NAME s_scm_bind
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{
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int rv;
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struct sockaddr *soka;
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scm_sizet size;
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int fd;
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sock = SCM_COERCE_OUTPORT (sock);
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SCM_VALIDATE_OPFPORT(1,sock);
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SCM_VALIDATE_INT(2,fam);
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soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args, 3, FUNC_NAME, &size);
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fd = SCM_FPORT_FDES (sock);
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rv = bind (fd, soka, size);
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if (rv == -1)
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SCM_SYSERROR;
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scm_must_free ((char *) soka);
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return SCM_UNSPECIFIED;
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}
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#undef FUNC_NAME
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GUILE_PROC (scm_listen, "listen", 2, 0, 0,
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(SCM sock, SCM backlog),
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"")
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#define FUNC_NAME s_scm_listen
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{
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int fd;
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sock = SCM_COERCE_OUTPORT (sock);
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SCM_VALIDATE_OPFPORT(1,sock);
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SCM_VALIDATE_INT(2,backlog);
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fd = SCM_FPORT_FDES (sock);
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if (listen (fd, SCM_INUM (backlog)) == -1)
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SCM_SYSERROR;
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return SCM_UNSPECIFIED;
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}
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#undef FUNC_NAME
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/* Put the components of a sockaddr into a new SCM vector. */
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static SCM
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scm_addr_vector (struct sockaddr *address,const char *proc)
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{
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short int fam = address->sa_family;
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SCM result;
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SCM *ve;
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#ifdef HAVE_UNIX_DOMAIN_SOCKETS
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if (fam == AF_UNIX)
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{
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struct sockaddr_un *nad = (struct sockaddr_un *) address;
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result = scm_make_vector (SCM_MAKINUM (2), SCM_UNSPECIFIED);
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ve = SCM_VELTS (result);
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ve[0] = scm_ulong2num ((unsigned long) fam);
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ve[1] = scm_makfromstr (nad->sun_path,
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(scm_sizet) strlen (nad->sun_path), 0);
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}
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else
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#endif
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if (fam == AF_INET)
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{
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struct sockaddr_in *nad = (struct sockaddr_in *) address;
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result = scm_make_vector (SCM_MAKINUM (3), SCM_UNSPECIFIED);
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ve = SCM_VELTS (result);
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||
ve[0] = scm_ulong2num ((unsigned long) fam);
|
||
ve[1] = scm_ulong2num (ntohl (nad->sin_addr.s_addr));
|
||
ve[2] = scm_ulong2num ((unsigned long) ntohs (nad->sin_port));
|
||
}
|
||
else
|
||
scm_misc_error (proc, "Unrecognised address family: %s",
|
||
scm_listify (SCM_MAKINUM (fam), SCM_UNDEFINED));
|
||
|
||
return result;
|
||
}
|
||
|
||
/* Allocate a buffer large enough to hold any sockaddr type. */
|
||
static char *scm_addr_buffer;
|
||
static int scm_addr_buffer_size;
|
||
|
||
static void
|
||
scm_init_addr_buffer (void)
|
||
{
|
||
scm_addr_buffer_size =
|
||
#ifdef HAVE_UNIX_DOMAIN_SOCKETS
|
||
(int) sizeof (struct sockaddr_un)
|
||
#else
|
||
0
|
||
#endif
|
||
;
|
||
if (sizeof (struct sockaddr_in) > scm_addr_buffer_size)
|
||
scm_addr_buffer_size = (int) sizeof (struct sockaddr_in);
|
||
scm_addr_buffer = scm_must_malloc (scm_addr_buffer_size, "address buffer");
|
||
}
|
||
|
||
GUILE_PROC (scm_accept, "accept", 1, 0, 0,
|
||
(SCM sock),
|
||
"")
|
||
#define FUNC_NAME s_scm_accept
|
||
{
|
||
int fd;
|
||
int newfd;
|
||
SCM address;
|
||
SCM newsock;
|
||
|
||
int tmp_size;
|
||
sock = SCM_COERCE_OUTPORT (sock);
|
||
SCM_VALIDATE_OPFPORT(1,sock);
|
||
fd = SCM_FPORT_FDES (sock);
|
||
tmp_size = scm_addr_buffer_size;
|
||
newfd = accept (fd, (struct sockaddr *) scm_addr_buffer, &tmp_size);
|
||
newsock = scm_sock_fd_to_port (newfd, FUNC_NAME);
|
||
if (tmp_size > 0)
|
||
address = scm_addr_vector ((struct sockaddr *) scm_addr_buffer, FUNC_NAME);
|
||
else
|
||
address = SCM_BOOL_F;
|
||
|
||
return scm_cons (newsock, address);
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
GUILE_PROC (scm_getsockname, "getsockname", 1, 0, 0,
|
||
(SCM sock),
|
||
"")
|
||
#define FUNC_NAME s_scm_getsockname
|
||
{
|
||
int tmp_size;
|
||
int fd;
|
||
SCM result;
|
||
sock = SCM_COERCE_OUTPORT (sock);
|
||
SCM_VALIDATE_OPFPORT(1,sock);
|
||
fd = SCM_FPORT_FDES (sock);
|
||
tmp_size = scm_addr_buffer_size;
|
||
if (getsockname (fd, (struct sockaddr *) scm_addr_buffer, &tmp_size) == -1)
|
||
SCM_SYSERROR;
|
||
if (tmp_size > 0)
|
||
result = scm_addr_vector ((struct sockaddr *) scm_addr_buffer, FUNC_NAME);
|
||
else
|
||
result = SCM_BOOL_F;
|
||
return result;
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
GUILE_PROC (scm_getpeername, "getpeername", 1, 0, 0,
|
||
(SCM sock),
|
||
"")
|
||
#define FUNC_NAME s_scm_getpeername
|
||
{
|
||
int tmp_size;
|
||
int fd;
|
||
SCM result;
|
||
sock = SCM_COERCE_OUTPORT (sock);
|
||
SCM_VALIDATE_OPFPORT(1,sock);
|
||
fd = SCM_FPORT_FDES (sock);
|
||
tmp_size = scm_addr_buffer_size;
|
||
if (getpeername (fd, (struct sockaddr *) scm_addr_buffer, &tmp_size) == -1)
|
||
SCM_SYSERROR;
|
||
if (tmp_size > 0)
|
||
result = scm_addr_vector ((struct sockaddr *) scm_addr_buffer, FUNC_NAME);
|
||
else
|
||
result = SCM_BOOL_F;
|
||
return result;
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
GUILE_PROC (scm_recv, "recv!", 2, 1, 0,
|
||
(SCM sock, SCM buf, SCM flags),
|
||
"")
|
||
#define FUNC_NAME s_scm_recv
|
||
{
|
||
int rv;
|
||
int fd;
|
||
int flg;
|
||
|
||
SCM_VALIDATE_OPFPORT(1,sock);
|
||
SCM_VALIDATE_STRING(2,buf);
|
||
SCM_VALIDATE_INT_DEF_COPY(3,flags,0,flg);
|
||
fd = SCM_FPORT_FDES (sock);
|
||
|
||
SCM_SYSCALL (rv = recv (fd, SCM_CHARS (buf), SCM_LENGTH (buf), flg));
|
||
if (rv == -1)
|
||
SCM_SYSERROR;
|
||
|
||
return SCM_MAKINUM (rv);
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
GUILE_PROC (scm_send, "send", 2, 1, 0,
|
||
(SCM sock, SCM message, SCM flags),
|
||
"")
|
||
#define FUNC_NAME s_scm_send
|
||
{
|
||
int rv;
|
||
int fd;
|
||
int flg;
|
||
|
||
sock = SCM_COERCE_OUTPORT (sock);
|
||
SCM_VALIDATE_OPFPORT(1,sock);
|
||
SCM_VALIDATE_ROSTRING(2,message);
|
||
SCM_VALIDATE_INT_DEF_COPY(3,flags,0,flg);
|
||
fd = SCM_FPORT_FDES (sock);
|
||
|
||
SCM_SYSCALL (rv = send (fd, SCM_ROCHARS (message), SCM_ROLENGTH (message), flg));
|
||
if (rv == -1)
|
||
SCM_SYSERROR;
|
||
return SCM_MAKINUM (rv);
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
GUILE_PROC (scm_recvfrom, "recvfrom!", 2, 3, 0,
|
||
(SCM sock, SCM buf, SCM flags, SCM start, SCM end),
|
||
"")
|
||
#define FUNC_NAME s_scm_recvfrom
|
||
{
|
||
int rv;
|
||
int fd;
|
||
int flg;
|
||
int offset = 0;
|
||
int cend;
|
||
int tmp_size;
|
||
SCM address;
|
||
|
||
SCM_VALIDATE_OPFPORT(1,sock);
|
||
SCM_VALIDATE_STRING(2,buf);
|
||
cend = SCM_LENGTH (buf);
|
||
|
||
if (SCM_UNBNDP (flags))
|
||
flg = 0;
|
||
else
|
||
{
|
||
flg = SCM_NUM2ULONG (3,flags);
|
||
|
||
if (!SCM_UNBNDP (start))
|
||
{
|
||
offset = (int) SCM_NUM2LONG (4,start);
|
||
|
||
if (offset < 0 || offset >= cend)
|
||
SCM_OUT_OF_RANGE (4, start);
|
||
|
||
if (!SCM_UNBNDP (end))
|
||
{
|
||
int tend = (int) SCM_NUM2LONG (5,end);
|
||
|
||
if (tend <= offset || tend > cend)
|
||
SCM_OUT_OF_RANGE (5, end);
|
||
|
||
cend = tend;
|
||
}
|
||
}
|
||
}
|
||
|
||
fd = SCM_FPORT_FDES (sock);
|
||
|
||
tmp_size = scm_addr_buffer_size;
|
||
SCM_SYSCALL (rv = recvfrom (fd, SCM_CHARS (buf) + offset,
|
||
cend - offset, flg,
|
||
(struct sockaddr *) scm_addr_buffer,
|
||
&tmp_size));
|
||
if (rv == -1)
|
||
SCM_SYSERROR;
|
||
if (tmp_size > 0)
|
||
address = scm_addr_vector ((struct sockaddr *) scm_addr_buffer, FUNC_NAME);
|
||
else
|
||
address = SCM_BOOL_F;
|
||
|
||
return scm_cons (SCM_MAKINUM (rv), address);
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
GUILE_PROC (scm_sendto, "sendto", 4, 0, 1,
|
||
(SCM sock, SCM message, SCM fam, SCM address, SCM args_and_flags),
|
||
"")
|
||
#define FUNC_NAME s_scm_sendto
|
||
{
|
||
int rv;
|
||
int fd;
|
||
int flg;
|
||
struct sockaddr *soka;
|
||
scm_sizet size;
|
||
int save_err;
|
||
|
||
sock = SCM_COERCE_OUTPORT (sock);
|
||
SCM_VALIDATE_FPORT(1,sock);
|
||
SCM_VALIDATE_ROSTRING(2,message);
|
||
SCM_VALIDATE_INT(3,fam);
|
||
fd = SCM_FPORT_FDES (sock);
|
||
soka = scm_fill_sockaddr (SCM_INUM (fam), address, &args_and_flags, 4,
|
||
FUNC_NAME, &size);
|
||
if (SCM_NULLP (args_and_flags))
|
||
flg = 0;
|
||
else
|
||
{
|
||
SCM_VALIDATE_NIMCONS(5,args_and_flags);
|
||
flg = SCM_NUM2ULONG (5,SCM_CAR (args_and_flags));
|
||
}
|
||
SCM_SYSCALL (rv = sendto (fd, SCM_ROCHARS (message), SCM_ROLENGTH (message),
|
||
flg, soka, size));
|
||
save_err = errno;
|
||
scm_must_free ((char *) soka);
|
||
errno = save_err;
|
||
if (rv == -1)
|
||
SCM_SYSERROR;
|
||
return SCM_MAKINUM (rv);
|
||
}
|
||
#undef FUNC_NAME
|
||
|
||
|
||
|
||
void
|
||
scm_init_socket ()
|
||
{
|
||
/* protocol families. */
|
||
#ifdef AF_UNSPEC
|
||
scm_sysintern ("AF_UNSPEC", SCM_MAKINUM (AF_UNSPEC));
|
||
#endif
|
||
#ifdef AF_UNIX
|
||
scm_sysintern ("AF_UNIX", SCM_MAKINUM (AF_UNIX));
|
||
#endif
|
||
#ifdef AF_INET
|
||
scm_sysintern ("AF_INET", SCM_MAKINUM (AF_INET));
|
||
#endif
|
||
|
||
#ifdef PF_UNSPEC
|
||
scm_sysintern ("PF_UNSPEC", SCM_MAKINUM (PF_UNSPEC));
|
||
#endif
|
||
#ifdef PF_UNIX
|
||
scm_sysintern ("PF_UNIX", SCM_MAKINUM (PF_UNIX));
|
||
#endif
|
||
#ifdef PF_INET
|
||
scm_sysintern ("PF_INET", SCM_MAKINUM (PF_INET));
|
||
#endif
|
||
|
||
/* socket types. */
|
||
#ifdef SOCK_STREAM
|
||
scm_sysintern ("SOCK_STREAM", SCM_MAKINUM (SOCK_STREAM));
|
||
#endif
|
||
#ifdef SOCK_DGRAM
|
||
scm_sysintern ("SOCK_DGRAM", SCM_MAKINUM (SOCK_DGRAM));
|
||
#endif
|
||
#ifdef SOCK_RAW
|
||
scm_sysintern ("SOCK_RAW", SCM_MAKINUM (SOCK_RAW));
|
||
#endif
|
||
|
||
/* setsockopt level. */
|
||
#ifdef SOL_SOCKET
|
||
scm_sysintern ("SOL_SOCKET", SCM_MAKINUM (SOL_SOCKET));
|
||
#endif
|
||
#ifdef SOL_IP
|
||
scm_sysintern ("SOL_IP", SCM_MAKINUM (SOL_IP));
|
||
#endif
|
||
#ifdef SOL_TCP
|
||
scm_sysintern ("SOL_TCP", SCM_MAKINUM (SOL_TCP));
|
||
#endif
|
||
#ifdef SOL_UDP
|
||
scm_sysintern ("SOL_UDP", SCM_MAKINUM (SOL_UDP));
|
||
#endif
|
||
|
||
/* setsockopt names. */
|
||
#ifdef SO_DEBUG
|
||
scm_sysintern ("SO_DEBUG", SCM_MAKINUM (SO_DEBUG));
|
||
#endif
|
||
#ifdef SO_REUSEADDR
|
||
scm_sysintern ("SO_REUSEADDR", SCM_MAKINUM (SO_REUSEADDR));
|
||
#endif
|
||
#ifdef SO_STYLE
|
||
scm_sysintern ("SO_STYLE", SCM_MAKINUM (SO_STYLE));
|
||
#endif
|
||
#ifdef SO_TYPE
|
||
scm_sysintern ("SO_TYPE", SCM_MAKINUM (SO_TYPE));
|
||
#endif
|
||
#ifdef SO_ERROR
|
||
scm_sysintern ("SO_ERROR", SCM_MAKINUM (SO_ERROR));
|
||
#endif
|
||
#ifdef SO_DONTROUTE
|
||
scm_sysintern ("SO_DONTROUTE", SCM_MAKINUM (SO_DONTROUTE));
|
||
#endif
|
||
#ifdef SO_BROADCAST
|
||
scm_sysintern ("SO_BROADCAST", SCM_MAKINUM (SO_BROADCAST));
|
||
#endif
|
||
#ifdef SO_SNDBUF
|
||
scm_sysintern ("SO_SNDBUF", SCM_MAKINUM (SO_SNDBUF));
|
||
#endif
|
||
#ifdef SO_RCVBUF
|
||
scm_sysintern ("SO_RCVBUF", SCM_MAKINUM (SO_RCVBUF));
|
||
#endif
|
||
#ifdef SO_KEEPALIVE
|
||
scm_sysintern ("SO_KEEPALIVE", SCM_MAKINUM (SO_KEEPALIVE));
|
||
#endif
|
||
#ifdef SO_OOBINLINE
|
||
scm_sysintern ("SO_OOBINLINE", SCM_MAKINUM (SO_OOBINLINE));
|
||
#endif
|
||
#ifdef SO_NO_CHECK
|
||
scm_sysintern ("SO_NO_CHECK", SCM_MAKINUM (SO_NO_CHECK));
|
||
#endif
|
||
#ifdef SO_PRIORITY
|
||
scm_sysintern ("SO_PRIORITY", SCM_MAKINUM (SO_PRIORITY));
|
||
#endif
|
||
#ifdef SO_LINGER
|
||
scm_sysintern ("SO_LINGER", SCM_MAKINUM (SO_LINGER));
|
||
#endif
|
||
|
||
/* recv/send options. */
|
||
#ifdef MSG_OOB
|
||
scm_sysintern ("MSG_OOB", SCM_MAKINUM (MSG_OOB));
|
||
#endif
|
||
#ifdef MSG_PEEK
|
||
scm_sysintern ("MSG_PEEK", SCM_MAKINUM (MSG_PEEK));
|
||
#endif
|
||
#ifdef MSG_DONTROUTE
|
||
scm_sysintern ("MSG_DONTROUTE", SCM_MAKINUM (MSG_DONTROUTE));
|
||
#endif
|
||
|
||
scm_add_feature ("socket");
|
||
scm_init_addr_buffer ();
|
||
|
||
#include "socket.x"
|
||
}
|
||
|