Cleanup part 1: split up server.c.

server-fn.c

@@ -0,0 +1,162 @@
+/* $Id: server-fn.c,v 1.1 2007-09-26 10:35:24 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 <string.h>
+
+#include "tmux.h"
+
+/* Write command to a client. */
+void
+write_client(struct client *c, u_int cmd, void *buf, size_t len)
+{
+	struct hdr	 hdr;
+
+	hdr.type = cmd;
+	hdr.size = len;
+
+	buffer_write(c->out, &hdr, sizeof hdr);
+	if (buf != NULL)
+		buffer_write(c->out, buf, len);
+}
+
+/* Write command to a client with two buffers. */
+void
+write_client2(struct client *c,
+    u_int cmd, void *buf1, size_t len1, void *buf2, size_t len2)
+{
+	struct hdr	 hdr;
+
+	hdr.type = cmd;
+	hdr.size = len1 + len2;
+
+	buffer_write(c->out, &hdr, sizeof hdr);
+	if (buf1 != NULL)
+		buffer_write(c->out, buf1, len1);
+	if (buf2 != NULL)
+		buffer_write(c->out, buf2, len2);
+}
+
+/* Write command to all clients attached to a specific window. */
+void
+write_clients(struct window *w, u_int cmd, void *buf, size_t len)
+{
+	struct client	*c;
+ 	struct hdr	 hdr;
+	u_int		 i;
+
+	hdr.type = cmd;
+	hdr.size = len;
+
+	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
+		c = ARRAY_ITEM(&clients, i);
+		if (c != NULL && c->session != NULL) {
+			if (c->session->window == w) {
+				buffer_write(c->out, &hdr, sizeof hdr);
+				if (buf != NULL)
+					buffer_write(c->out, buf, len);
+			}
+		}
+	}
+}
+
+/* Changed client window. */
+void
+changed_window(struct client *c)
+{
+	struct window	*w;
+
+	w = c->session->window;
+	if (c->sx != w->screen.sx || c->sy != w->screen.sy)
+		window_resize(w, c->sx, c->sy);
+	draw_client(c, 0, c->sy - 1);
+}
+
+/* Draw window on client. */
+void
+draw_client(struct client *c, u_int py_upper, u_int py_lower)
+{
+	struct hdr	hdr;
+	size_t		size;
+
+	buffer_ensure(c->out, sizeof hdr);
+	buffer_add(c->out, sizeof hdr);
+	size = BUFFER_USED(c->out);
+
+	screen_draw(&c->session->window->screen, c->out, py_upper, py_lower);
+
+	size = BUFFER_USED(c->out) - size;
+	log_debug("redrawing screen, %zu bytes", size);
+	if (size != 0) {
+		hdr.type = MSG_OUTPUT;
+		hdr.size = size;
+		memcpy(
+		    BUFFER_IN(c->out) - size - sizeof hdr, &hdr, sizeof hdr);
+	} else
+		buffer_reverse_add(c->out, sizeof hdr);
+}
+
+
+/* Write message command to a client. */
+void
+write_message(struct client *c, const char *fmt, ...)
+{
+	struct hdr	 hdr;
+	va_list		 ap;
+	char		*msg;
+	size_t		 size;
+	u_int		 i;
+
+	buffer_ensure(c->out, sizeof hdr);
+	buffer_add(c->out, sizeof hdr);
+	size = BUFFER_USED(c->out);
+
+	input_store_zero(c->out, CODE_CURSOROFF);
+	input_store_two(c->out, CODE_CURSORMOVE, c->sy, 1);
+	input_store_one(c->out, CODE_ATTRIBUTES, 2);
+	input_store16(c->out, 0);
+	input_store16(c->out, 7);
+	va_start(ap, fmt);
+	xvasprintf(&msg, fmt, ap);
+	va_end(ap);
+	buffer_write(c->out, msg, strlen(msg));
+	for (i = strlen(msg); i < c->sx; i++)
+		input_store8(c->out, ' ');
+	xfree(msg);
+
+	size = BUFFER_USED(c->out) - size;
+	hdr.type = MSG_OUTPUT;
+	hdr.size = size;
+	memcpy(BUFFER_IN(c->out) - size - sizeof hdr, &hdr, sizeof hdr);
+
+	hdr.type = MSG_PAUSE;
+	hdr.size = 0;
+	buffer_write(c->out, &hdr, sizeof hdr);
+
+	buffer_ensure(c->out, sizeof hdr);
+	buffer_add(c->out, sizeof hdr);
+	size = BUFFER_USED(c->out);
+
+	screen_draw(&c->session->window->screen, c->out, c->sy - 1, c->sy - 1);
+
+	size = BUFFER_USED(c->out) - size;
+	hdr.type = MSG_OUTPUT;
+	hdr.size = size;
+	memcpy(BUFFER_IN(c->out) - size - sizeof hdr, &hdr, sizeof hdr);
+}