mirror of https://github.com/tmux/tmux.git
149 lines
3.4 KiB
C
149 lines
3.4 KiB
C
/* $Id: cmd-attach-session.c,v 1.12 2008-06-02 18:08:16 nicm Exp $ */
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/*
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* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <getopt.h>
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#include "tmux.h"
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/*
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* Attach existing session to the current terminal.
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*/
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int cmd_attach_session_parse(struct cmd *, void **, int, char **, char **);
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void cmd_attach_session_exec(void *, struct cmd_ctx *);
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void cmd_attach_session_send(void *, struct buffer *);
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void cmd_attach_session_recv(void **, struct buffer *);
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void cmd_attach_session_free(void *);
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struct cmd_attach_session_data {
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char *sname;
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int flag_detach;
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};
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const struct cmd_entry cmd_attach_session_entry = {
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"attach-session", "attach",
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"[-d] [-s session-name]",
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CMD_CANTNEST,
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cmd_attach_session_parse,
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cmd_attach_session_exec,
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cmd_attach_session_send,
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cmd_attach_session_recv,
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cmd_attach_session_free
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};
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int
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cmd_attach_session_parse(
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struct cmd *self, void **ptr, int argc, char **argv, char **cause)
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{
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struct cmd_attach_session_data *data;
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int opt;
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*ptr = data = xmalloc(sizeof *data);
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data->sname = NULL;
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data->flag_detach = 0;
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while ((opt = getopt(argc, argv, "ds:")) != EOF) {
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switch (opt) {
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case 'd':
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data->flag_detach = 1;
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break;
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case 's':
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data->sname = xstrdup(optarg);
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break;
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default:
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goto usage;
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 0)
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goto usage;
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return (0);
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usage:
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usage(cause, "%s %s", self->entry->name, self->entry->usage);
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cmd_attach_session_free(data);
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return (-1);
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}
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void
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cmd_attach_session_exec(void *ptr, struct cmd_ctx *ctx)
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{
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struct cmd_attach_session_data *data = ptr;
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struct session *s;
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char *cause;
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if (ctx->flags & CMD_KEY)
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return;
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if ((s = cmd_find_session(ctx, data->sname)) == NULL)
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return;
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if (!(ctx->cmdclient->flags & CLIENT_TERMINAL)) {
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ctx->error(ctx, "not a terminal");
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return;
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}
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if (tty_open(&ctx->cmdclient->tty, &cause) != 0) {
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ctx->error(ctx, "%s", cause);
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xfree(cause);
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return;
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}
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if (data->flag_detach)
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server_write_session(s, MSG_DETACH, NULL, 0);
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ctx->cmdclient->session = s;
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server_write_client(ctx->cmdclient, MSG_READY, NULL, 0);
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recalculate_sizes();
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server_redraw_client(ctx->cmdclient);
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}
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void
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cmd_attach_session_send(void *ptr, struct buffer *b)
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{
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struct cmd_attach_session_data *data = ptr;
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buffer_write(b, data, sizeof *data);
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cmd_send_string(b, data->sname);
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}
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void
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cmd_attach_session_recv(void **ptr, struct buffer *b)
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{
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struct cmd_attach_session_data *data;
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*ptr = data = xmalloc(sizeof *data);
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buffer_read(b, data, sizeof *data);
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data->sname = cmd_recv_string(b);
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}
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void
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cmd_attach_session_free(void *ptr)
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{
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struct cmd_attach_session_data *data = ptr;
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if (data->sname != NULL)
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xfree(data->sname);
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xfree(data);
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}
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