Cleanup part II: split up client stuff and ops. More to come.

1 files changed, 99 insertions, 0 deletions

diff --git a/client-msg.c b/client-msg.c
new file mode 100644
index 00000000..6639d915
--- /dev/null
+++ b/client-msg.c
@@ -0,0 +1,99 @@
+/* $Id: client-msg.c,v 1.1 2007-09-26 13:43:14 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 <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "tmux.h"
+
+int	client_msg_fn_output(struct hdr *, struct client_ctx *, const char **);
+int	client_msg_fn_pause(struct hdr *, struct client_ctx *, const char **);
+int	client_msg_fn_exit(struct hdr *, struct client_ctx *, const char **);
+
+struct client_msg {
+	enum hdrtype   type;
+	
+	int	       (*fn)(struct hdr *, struct client_ctx *, const char **);
+};
+struct client_msg client_msg_table[] = {
+	{ MSG_OUTPUT, client_msg_fn_output },
+	{ MSG_PAUSE, client_msg_fn_pause },
+	{ MSG_EXIT, client_msg_fn_exit },
+};
+#define NCLIENTMSG (sizeof client_msg_table / sizeof client_msg_table[0])
+
+int
+client_msg_dispatch(struct client_ctx *cctx, const char **error)
+{
+	struct hdr		 hdr;
+	struct client_msg	*msg;
+	u_int		 	 i;
+	int			 n;
+
+	for (;;) {
+		if (BUFFER_USED(cctx->srv_in) < sizeof hdr)
+			return (0);
+		memcpy(&hdr, BUFFER_OUT(cctx->srv_in), sizeof hdr);
+		if (BUFFER_USED(cctx->srv_in) < (sizeof hdr) + hdr.size)
+			return (0);
+		buffer_remove(cctx->srv_in, sizeof hdr);
+		
+		for (i = 0; i < NCLIENTMSG; i++) {
+			msg = client_msg_table + i;
+			if (msg->type == hdr.type) {
+				if ((n = msg->fn(&hdr, cctx, error)) != 0)
+					return (n);
+				break;
+			}
+		}
+		if (i == NCLIENTMSG)
+			fatalx("unexpected message");
+	}
+}
+
+/* Output message from client. */
+int
+client_msg_fn_output(
+    struct hdr *hdr, struct client_ctx *cctx, unused const char **error)
+{
+	local_output(cctx->srv_in, hdr->size);
+	return (0);
+}
+
+/* Pause message from server. */
+int
+client_msg_fn_pause(
+    struct hdr *hdr, unused struct client_ctx *cctx, unused const char **error)
+{
+	if (hdr->size != 0)
+		fatalx("bad MSG_PAUSE size");
+	return (1);
+}
+
+/* Exit message from server. */
+int
+client_msg_fn_exit(
+    struct hdr *hdr, unused struct client_ctx *cctx, unused const char **error)
+{
+	if (hdr->size != 0)
+		fatalx("bad MSG_EXIT size");
+	return (-1);
+}