/* $NetBSD: ipc_method.c,v 1.1.1.2 2008/05/18 14:31:25 aymeric 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 #include #include #include #include #include #include #include #include #include #include #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)); 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)); 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; socketpair(AF_LOCAL, SOCK_STREAM, 0, sockets); 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]; sendmsg(ipvi->ofd, &mh, 0); 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; sendmsg(sockets[0], &mh, 0); 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: 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; 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; 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; 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; ipb.str1 = str; ipb.len1 = len; ipb.code = code; return vi_send(ipvi->ofd, "a", &ipb); } static int vi_send_a1(IPVIWIN *ipvi, int code, const char *str, u_int32_t len, u_int32_t val) { IP_BUF 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; 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); }