/* $Id: cmd-attach-session.c,v 1.1.1.2 2011/08/17 18:40:04 jmmv Exp $ */ /* * Copyright (c) 2007 Nicholas Marriott * * 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 #include "tmux.h" /* * Attach existing session to the current terminal. */ int cmd_attach_session_exec(struct cmd *, struct cmd_ctx *); const struct cmd_entry cmd_attach_session_entry = { "attach-session", "attach", "drt:", 0, 0, "[-dr] " CMD_TARGET_SESSION_USAGE, CMD_CANTNEST|CMD_STARTSERVER|CMD_SENDENVIRON, NULL, NULL, cmd_attach_session_exec }; int cmd_attach_session_exec(struct cmd *self, struct cmd_ctx *ctx) { struct args *args = self->args; struct session *s; struct client *c; const char *update; char *overrides, *cause; u_int i; if (RB_EMPTY(&sessions)) { ctx->error(ctx, "no sessions"); return (-1); } if ((s = cmd_find_session(ctx, args_get(args, 't'), 1)) == NULL) return (-1); if (ctx->cmdclient == NULL && ctx->curclient == NULL) return (0); if (ctx->cmdclient == NULL) { if (args_has(self->args, 'd')) { /* * Can't use server_write_session in case attaching to * the same session as currently attached to. */ for (i = 0; i < ARRAY_LENGTH(&clients); i++) { c = ARRAY_ITEM(&clients, i); if (c == NULL || c->session != s) continue; if (c == ctx->curclient) continue; server_write_client(c, MSG_DETACH, NULL, 0); } } ctx->curclient->session = s; session_update_activity(s); server_redraw_client(ctx->curclient); } else { if (!(ctx->cmdclient->flags & CLIENT_TERMINAL)) { ctx->error(ctx, "not a terminal"); return (-1); } overrides = options_get_string(&s->options, "terminal-overrides"); if (tty_open(&ctx->cmdclient->tty, overrides, &cause) != 0) { ctx->error(ctx, "terminal open failed: %s", cause); xfree(cause); return (-1); } if (args_has(self->args, 'r')) ctx->cmdclient->flags |= CLIENT_READONLY; if (args_has(self->args, 'd')) server_write_session(s, MSG_DETACH, NULL, 0); ctx->cmdclient->session = s; session_update_activity(s); server_write_client(ctx->cmdclient, MSG_READY, NULL, 0); update = options_get_string(&s->options, "update-environment"); environ_update(update, &ctx->cmdclient->environ, &s->environ); server_redraw_client(ctx->cmdclient); } recalculate_sizes(); server_update_socket(); return (1); /* 1 means don't tell command client to exit */ }