switch-client command.

cmd-switch-client.c

@@ -0,0 +1,133 @@
+/* $Id: cmd-switch-client.c,v 1.1 2007-11-16 21:31:03 nicm 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 <getopt.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "tmux.h"
+
+/*
+ * Switch client to a different session.
+ */
+
+int	cmd_switch_client_parse(void **, int, char **, char **);
+void	cmd_switch_client_exec(void *, struct cmd_ctx *);
+void	cmd_switch_client_send(void *, struct buffer *);
+void	cmd_switch_client_recv(void **, struct buffer *);
+void	cmd_switch_client_free(void *);
+
+struct cmd_switch_client_data {
+	char	*name;
+};
+
+const struct cmd_entry cmd_switch_client_entry = {
+	"switch-client", "switchc", "session-name",
+	CMD_NOSESSION,
+	cmd_switch_client_parse,
+	cmd_switch_client_exec, 
+	cmd_switch_client_send,
+	cmd_switch_client_recv,
+	cmd_switch_client_free
+};
+
+int
+cmd_switch_client_parse(void **ptr, int argc, char **argv, char **cause)
+{
+	struct cmd_switch_client_data	*data;
+	int				 opt;
+
+	*ptr = data = xmalloc(sizeof *data);
+	data->name = NULL;
+
+	while ((opt = getopt(argc, argv, "")) != EOF) {
+		switch (opt) {
+		default:
+			goto usage;
+		}
+	}	
+	argc -= optind;
+	argv += optind;
+	if (argc != 1)
+		goto usage;
+
+	data->name = xstrdup(argv[0]);
+
+	return (0);
+
+usage:
+	usage(cause, "%s %s",
+	    cmd_switch_client_entry.name, cmd_switch_client_entry.usage);
+
+	cmd_switch_client_free(data);
+	return (-1);
+}
+
+void
+cmd_switch_client_exec(void *ptr, struct cmd_ctx *ctx)
+{
+	struct cmd_switch_client_data	*data = ptr;
+	struct session			*s;
+
+	if (data == NULL)
+		return;
+	
+	if ((s = session_find(data->name)) == NULL) {
+		ctx->error(ctx, "session not found: %s", data->name);
+		return;
+	}
+
+	ctx->client->session = s;
+	
+	recalculate_sizes();
+	server_redraw_client(ctx->client);
+
+	if (ctx->cmdclient != NULL)
+		server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
+}
+
+void
+cmd_switch_client_send(void *ptr, struct buffer *b)
+{
+	struct cmd_switch_client_data	*data = ptr;
+
+	buffer_write(b, data, sizeof *data);
+	cmd_send_string(b, data->name);
+}
+
+void
+cmd_switch_client_recv(void **ptr, struct buffer *b)
+{
+	struct cmd_switch_client_data	*data;
+
+	*ptr = data = xmalloc(sizeof *data);
+	buffer_read(b, data, sizeof *data);
+	data->name = cmd_recv_string(b);
+}
+
+void
+cmd_switch_client_free(void *ptr)
+{
+	struct cmd_switch_client_data	*data = ptr;
+
+	if (data->name != NULL)
+		xfree(data->name);
+	xfree(data);
+}