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/* $NetBSD: ipc_method.c,v 1.6 2013/11/27 20:52:24 christos Exp $ */
/*-
* Copyright (c) 1996
* Rob Zimmermann. All rights reserved.
* Copyright (c) 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*/
#include "config.h"
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/stat.h>
#include <bitstring.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/uio.h>
#include "../common/common.h"
#include "ip.h"
static int vi_send_ __P((IPVIWIN *, int));
static int vi_send_1 __P((IPVIWIN *, int, u_int32_t ));
static int vi_send_12 __P((IPVIWIN *ipvi, int code, u_int32_t val1, u_int32_t val2));
#if 0
static int vi_send_ab1 __P((IPVIWIN *ipvi, int code,
const char *str1, u_int32_t len1,
const char *str2, u_int32_t len2, u_int32_t val));
static int vi_send_a1 __P((IPVIWIN *ipvi, int code, const char *str, u_int32_t len,
u_int32_t val));
#endif
static int vi_send_a __P((IPVIWIN *ipvi, int code, const char *str, u_int32_t len));
#include "ipc_gen.c"
static int vi_set_ops __P((IPVIWIN *, IPSIOPS *));
static int vi_win_close __P((IPVIWIN *));
static int vi_close __P((IPVI *));
static int vi_new_window __P((IPVI *, IPVIWIN **, int));
/*
* vi_create
*
* PUBLIC: int vi_create __P((IPVI **, u_int32_t));
*/
int
vi_create(IPVI **ipvip, u_int32_t flags)
{
IPVI *ipvi;
MALLOC_GOTO(NULL, ipvi, IPVI*, sizeof(IPVI));
memset(ipvi, 0, sizeof(IPVI));
ipvi->flags = flags;
ipvi->run = vi_run;
ipvi->new_window = vi_new_window;
ipvi->close = vi_close;
*ipvip = ipvi;
return 0;
alloc_err:
return 1;
}
static int
vi_new_window (IPVI *ipvi, IPVIWIN **ipviwinp, int fd)
{
IPVIWIN *ipviwin;
MALLOC_GOTO(NULL, ipviwin, IPVIWIN*, sizeof(IPVIWIN));
memset(ipviwin, 0, sizeof(IPVIWIN));
if (0) {
ipviwin->ifd = ipvi->ifd;
ipviwin->ofd = ipvi->ofd;
} else {
int sockets[2];
struct msghdr mh;
IPCMSGHDR ch;
char dummy;
struct iovec iov;
if (socketpair(AF_LOCAL, SOCK_STREAM, 0, sockets) == -1)
goto alloc_err;
memset(&mh, 0, sizeof(mh));
mh.msg_namelen = 0;
mh.msg_iovlen = 1;
mh.msg_iov = &iov;
mh.msg_controllen = sizeof(ch);
mh.msg_control = (void *)&ch;
iov.iov_len = 1;
iov.iov_base = &dummy;
ch.header.cmsg_level = SOL_SOCKET;
ch.header.cmsg_type = SCM_RIGHTS;
ch.header.cmsg_len = sizeof(ch);
*(int *)CMSG_DATA(&ch.header) = sockets[1];
if (sendmsg(ipvi->ofd, &mh, 0) == -1)
goto alloc_err;
dummy = (fd == -1) ? ' ' : 'F';
*(int *)CMSG_DATA(&ch.header) = sockets[1];
sendmsg(sockets[0], &mh, 0);
close(sockets[1]);
if (fd != -1) {
*(int *)CMSG_DATA(&ch.header) = fd;
if (sendmsg(sockets[0], &mh, 0) == -1)
goto alloc_err;
close(fd);
}
ipviwin->ifd = sockets[0];
ipviwin->ofd = sockets[0];
}
#define IPVISET(func) \
ipviwin->func = vi_##func;
IPVISET(c_bol);
IPVISET(c_bottom);
IPVISET(c_del);
IPVISET(c_eol);
IPVISET(c_insert);
IPVISET(c_left);
IPVISET(c_right);
IPVISET(c_top);
IPVISET(c_settop);
IPVISET(resize);
IPVISET(string);
IPVISET(quit);
IPVISET(wq);
IPVISET(input);
/*
IPVISET(close);
*/
ipviwin->close = vi_win_close;
IPVISET(set_ops);
*ipviwinp = ipviwin;
return 0;
alloc_err:
if (fd != -1)
close(fd);
return 1;
}
static int
vi_set_ops(IPVIWIN *ipvi, IPSIOPS *ops)
{
ipvi->si_ops = ops;
return 0;
}
static int vi_close(IPVI *ipvi)
{
memset(ipvi, 6, sizeof(IPVI));
free(ipvi);
return 0;
}
static int vi_win_close(IPVIWIN *ipviwin)
{
memset(ipviwin, 6, sizeof(IPVIWIN));
free(ipviwin);
return 0;
}
static int
vi_send_(IPVIWIN *ipvi, int code)
{
IP_BUF ipb;
memset(&ipb, 0, sizeof(ipb));
ipb.code = code;
return vi_send(ipvi->ofd, NULL, &ipb);
}
static int
vi_send_1(IPVIWIN *ipvi, int code, u_int32_t val)
{
IP_BUF ipb;
memset(&ipb, 0, sizeof(ipb));
ipb.code = code;
ipb.val1 = val;
return vi_send(ipvi->ofd, "1", &ipb);
}
static int
vi_send_12(IPVIWIN *ipvi, int code, u_int32_t val1, u_int32_t val2)
{
IP_BUF ipb;
memset(&ipb, 0, sizeof(ipb));
ipb.val1 = val1;
ipb.val2 = val2;
ipb.code = code;
return vi_send(ipvi->ofd, "12", &ipb);
}
static int
vi_send_a(IPVIWIN *ipvi, int code, const char *str, u_int32_t len)
{
IP_BUF ipb;
memset(&ipb, 0, sizeof(ipb));
ipb.str1 = str;
ipb.len1 = len;
ipb.code = code;
return vi_send(ipvi->ofd, "a", &ipb);
}
#if 0
static int
vi_send_a1(IPVIWIN *ipvi, int code, const char *str, u_int32_t len,
u_int32_t val)
{
IP_BUF ipb;
memset(&ipb, 0, sizeof(ipb));
ipb.str1 = str;
ipb.len1 = len;
ipb.val1 = val;
ipb.code = code;
return vi_send(ipvi->ofd, "a1", &ipb);
}
static int
vi_send_ab1(IPVIWIN *ipvi, int code, const char *str1, u_int32_t len1,
const char *str2, u_int32_t len2, u_int32_t val)
{
IP_BUF ipb;
memset(&ipb, 0, sizeof(ipb));
ipb.str1 = str1;
ipb.len1 = len1;
ipb.str2 = str2;
ipb.len2 = len2;
ipb.val1 = val;
ipb.code = code;
return vi_send(ipvi->ofd, "ab1", &ipb);
}
#endif
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