diff options
Diffstat (limited to 'client-msg.c')
| -rw-r--r-- | client-msg.c | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/client-msg.c b/client-msg.c deleted file mode 100644 index 50ec9586..00000000 --- a/client-msg.c +++ /dev/null @@ -1,154 +0,0 @@ -/* $Id: client-msg.c,v 1.23 2009-07-30 20:21:55 tcunha Exp $ */ - -/* - * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER - * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <sys/types.h> - -#include <stdint.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "tmux.h" - -int client_msg_fn_detach(struct hdr *, struct client_ctx *); -int client_msg_fn_error(struct hdr *, struct client_ctx *); -int client_msg_fn_shutdown(struct hdr *, struct client_ctx *); -int client_msg_fn_exit(struct hdr *, struct client_ctx *); -int client_msg_fn_exited(struct hdr *, struct client_ctx *); -int client_msg_fn_suspend(struct hdr *, struct client_ctx *); - -struct client_msg { - enum msgtype type; - int (*fn)(struct hdr *, struct client_ctx *); -}; -struct client_msg client_msg_table[] = { - { MSG_DETACH, client_msg_fn_detach }, - { MSG_ERROR, client_msg_fn_error }, - { MSG_EXIT, client_msg_fn_exit }, - { MSG_EXITED, client_msg_fn_exited }, - { MSG_SHUTDOWN, client_msg_fn_shutdown }, - { MSG_SUSPEND, client_msg_fn_suspend }, -}; - -int -client_msg_dispatch(struct client_ctx *cctx) -{ - struct hdr hdr; - struct client_msg *msg; - u_int i; - - if (BUFFER_USED(cctx->srv_in) < sizeof hdr) - return (1); - memcpy(&hdr, BUFFER_OUT(cctx->srv_in), sizeof hdr); - if (BUFFER_USED(cctx->srv_in) < (sizeof hdr) + hdr.size) - return (1); - buffer_remove(cctx->srv_in, sizeof hdr); - - for (i = 0; i < nitems(client_msg_table); i++) { - msg = client_msg_table + i; - if (msg->type == hdr.type) - return (msg->fn(&hdr, cctx)); - } - fatalx("unexpected message"); -} - -int -client_msg_fn_error(struct hdr *hdr, struct client_ctx *cctx) -{ - struct msg_print_data data; - - if (hdr->size < sizeof data) - fatalx("bad MSG_PRINT size"); - buffer_read(cctx->srv_in, &data, sizeof data); - - data.msg[(sizeof data.msg) - 1] = '\0'; - cctx->errstr = xstrdup(data.msg); - - return (-1); -} - -int -client_msg_fn_detach(struct hdr *hdr, struct client_ctx *cctx) -{ - if (hdr->size != 0) - fatalx("bad MSG_DETACH size"); - - client_write_server(cctx, MSG_EXITING, NULL, 0); - cctx->exittype = CCTX_DETACH; - - return (0); -} - -int -client_msg_fn_shutdown( - struct hdr *hdr, struct client_ctx *cctx) -{ - if (hdr->size != 0) - fatalx("bad MSG_SHUTDOWN size"); - - client_write_server(cctx, MSG_EXITING, NULL, 0); - cctx->exittype = CCTX_SHUTDOWN; - - return (0); -} - -int -client_msg_fn_exit(struct hdr *hdr, struct client_ctx *cctx) -{ - if (hdr->size != 0) - fatalx("bad MSG_EXIT size"); - - client_write_server(cctx, MSG_EXITING, NULL, 0); - cctx->exittype = CCTX_EXIT; - - return (0); -} - -int -client_msg_fn_exited(struct hdr *hdr, unused struct client_ctx *cctx) -{ - if (hdr->size != 0) - fatalx("bad MSG_EXITED size"); - - return (-1); -} - -int -client_msg_fn_suspend(struct hdr *hdr, unused struct client_ctx *cctx) -{ - struct sigaction act; - - if (hdr->size != 0) - fatalx("bad MSG_SUSPEND size"); - - memset(&act, 0, sizeof act); - sigemptyset(&act.sa_mask); - act.sa_flags = SA_RESTART; - - act.sa_handler = SIG_DFL; - if (sigaction(SIGTSTP, &act, NULL) != 0) - fatal("sigaction failed"); - - act.sa_handler = sighandler; - if (sigaction(SIGCONT, &act, NULL) != 0) - fatal("sigaction failed"); - - kill(getpid(), SIGTSTP); - - return (0); -} |