Refresh session command.

cmd-refresh-session.c

@@ -0,0 +1,131 @@
+/* $Id: cmd-refresh-session.c,v 1.1 2007-10-19 09:21:25 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 "tmux.h"
+
+/*
+ * Refresh session. If called with -a refresh all clients attached to specified
+ * session, otherwise refresh current session on key press only.
+ */
+
+int	cmd_refresh_session_parse(void **, int, char **, char **);
+void	cmd_refresh_session_exec(void *, struct cmd_ctx *);
+void	cmd_refresh_session_send(void *, struct buffer *);
+void	cmd_refresh_session_recv(void **, struct buffer *);
+void	cmd_refresh_session_free(void *);
+
+struct cmd_refresh_session_data {
+	int	 flag_all;
+};
+
+const struct cmd_entry cmd_refresh_session_entry = {
+	"refresh-session", "refresh", "[-a]",
+	0,
+	cmd_refresh_session_parse,
+	cmd_refresh_session_exec,
+	cmd_refresh_session_send,
+	cmd_refresh_session_recv,
+	cmd_refresh_session_free
+};
+
+int
+cmd_refresh_session_parse(void **ptr, int argc, char **argv, char **cause)
+{
+	struct cmd_refresh_session_data	*data;
+	int				 opt;
+
+	*ptr = data = xmalloc(sizeof *data);
+	data->flag_all = 0;
+
+	while ((opt = getopt(argc, argv, "a")) != EOF) {
+		switch (opt) {
+		case 'a':
+			data->flag_all = 1;
+			break;
+		default:
+			goto usage;
+		}
+	}	
+	argc -= optind;
+	argv += optind;
+	if (argc != 0)
+		goto usage;
+
+	return (0);
+
+usage:
+	usage(cause, "%s %s",
+	    cmd_refresh_session_entry.name, cmd_refresh_session_entry.usage);
+
+	cmd_refresh_session_free(data);
+	return (-1);
+}
+
+void
+cmd_refresh_session_exec(void *ptr, struct cmd_ctx *ctx)
+{
+	struct cmd_refresh_session_data	*data = ptr, std = { 0 };
+	struct client			*c = ctx->client, *cp;
+	struct session			*s = ctx->session;
+	u_int				 i;
+
+	if (data == NULL)
+		data = &std;
+
+	if (data->flag_all) {
+		for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
+			cp = ARRAY_ITEM(&clients, i);
+			if (cp == NULL || cp->session != s)
+				continue;
+			server_redraw_client(cp);
+		}
+	} else if (ctx->flags & CMD_KEY)
+		server_redraw_client(c);
+
+	if (!(ctx->flags & CMD_KEY))
+		server_write_client(c, MSG_EXIT, NULL, 0);
+}
+
+void
+cmd_refresh_session_send(void *ptr, struct buffer *b)
+{
+	struct cmd_refresh_session_data	*data = ptr;
+
+	buffer_write(b, data, sizeof *data);
+}
+
+void
+cmd_refresh_session_recv(void **ptr, struct buffer *b)
+{
+	struct cmd_refresh_session_data	*data;
+
+	*ptr = data = xmalloc(sizeof *data);
+	buffer_read(b, data, sizeof *data);
+}
+
+void
+cmd_refresh_session_free(void *ptr)
+{
+	struct cmd_refresh_session_data	*data = ptr;
+
+	xfree(data);
+}