1 files changed, 121 insertions, 0 deletions
diff --git a/control.c b/control.c
new file mode 100644
index 00000000..52ccb202
--- /dev/null
+++ b/control.c
@@ -0,0 +1,121 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2012 Nicholas Marriott <nicm@users.sourceforge.net>
+ * Copyright (c) 2012 George Nachman <tmux@georgester.com>
+ *
+ * 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 <event.h>
+#include <string.h>
+
+#include "tmux.h"
+
+void printflike2 control_msg_error(struct cmd_ctx *, const char *, ...);
+void printflike2 control_msg_print(struct cmd_ctx *, const char *, ...);
+void printflike2 control_msg_info(struct cmd_ctx *, const char *, ...);
+void printflike2 control_write(struct client *, const char *, ...);
+
+/* Command error callback. */
+void printflike2
+control_msg_error(struct cmd_ctx *ctx, const char *fmt, ...)
+{
+	struct client	*c = ctx->curclient;
+	va_list		 ap;
+
+	va_start(ap, fmt);
+	evbuffer_add_vprintf(c->stdout_data, fmt, ap);
+	va_end(ap);
+
+	evbuffer_add(c->stdout_data, "\n", 1);
+	server_push_stdout(c);
+}
+
+/* Command print callback. */
+void printflike2
+control_msg_print(struct cmd_ctx *ctx, const char *fmt, ...)
+{
+	struct client	*c = ctx->curclient;
+	va_list		 ap;
+
+	va_start(ap, fmt);
+	evbuffer_add_vprintf(c->stdout_data, fmt, ap);
+	va_end(ap);
+
+	evbuffer_add(c->stdout_data, "\n", 1);
+	server_push_stdout(c);
+}
+
+/* Command info callback. */
+void printflike2
+control_msg_info(unused struct cmd_ctx *ctx, unused const char *fmt, ...)
+{
+}
+
+/* Write a line. */
+void printflike2
+control_write(struct client *c, const char *fmt, ...)
+{
+	va_list		 ap;
+
+	va_start(ap, fmt);
+	evbuffer_add_vprintf(c->stdout_data, fmt, ap);
+	va_end(ap);
+
+	evbuffer_add(c->stdout_data, "\n", 1);
+	server_push_stdout(c);
+}
+
+/* Control input callback. Read lines and fire commands. */
+void
+control_callback(struct client *c, int closed, unused void *data)
+{
+	char		*line, *cause;
+	struct cmd_ctx	 ctx;
+	struct cmd_list	*cmdlist;
+
+	if (closed)
+		c->flags |= CLIENT_EXIT;
+
+	for (;;) {
+		line = evbuffer_readln(c->stdin_data, NULL, EVBUFFER_EOL_LF);
+		if (line == NULL)
+			break;
+		if (*line == '\0') { /* empty line exit */
+			c->flags |= CLIENT_EXIT;
+			break;
+		}
+
+		ctx.msgdata = NULL;
+		ctx.cmdclient = NULL;
+		ctx.curclient = c;
+
+		ctx.error = control_msg_error;
+		ctx.print = control_msg_print;
+		ctx.info = control_msg_info;
+
+		if (cmd_string_parse(line, &cmdlist, &cause) != 0) {
+			control_write(c, "%%error in line \"%s\": %s", line,
+			    cause);
+			xfree(cause);
+		} else {
+			cmd_list_exec(cmdlist, &ctx);
+			cmd_list_free(cmdlist);
+		}
+
+		xfree(line);
+	}
+}