Moved the server-specific files into src/server

src/server/control.h

@@ -0,0 +1,59 @@
+#ifndef CONTROL_H
+#define CONTROL_H
+
+/* We need this to avoid a complaint about struct server * in
+ * void accept_control_connection
+ */
+struct server;
+
+#include "parse.h"
+#include "mirror.h"
+#include "serve.h"
+#include "flexnbd.h"
+#include "mbox.h"
+
+struct control {
+	struct flexnbd * flexnbd;
+	int control_fd;
+	const char * socket_name;
+
+	pthread_t thread;
+
+	struct self_pipe * open_signal;
+	struct self_pipe * close_signal;
+
+	/* This is owned by the control object, and used by a
+	 * mirror_super to communicate the state of a mirror attempt as
+	 * early as feasible.  It can't be owned by the mirror_super
+	 * object because the mirror_super object can be freed at any
+	 * time (including while the control_client is waiting on it),
+	 * whereas the control object lasts for the lifetime of the
+	 * process (and we can only have a mirror thread if the control
+	 * thread has started it).
+	 */
+	struct mbox * mirror_state_mbox;
+};
+
+struct control_client{
+	int              socket;
+	struct flexnbd * flexnbd;
+
+	/* Passed in on creation.  We know it's all right to do this
+	 * because we know there's only ever one control_client.
+	 */
+	struct mbox * mirror_state_mbox;
+};
+
+struct control * control_create(
+		struct flexnbd *,
+		const char * control_socket_name );
+void control_signal_close( struct control * );
+void control_destroy( struct control * );
+
+void * control_runner( void * );
+
+void accept_control_connection(struct server* params, int client_fd, union mysockaddr* client_address);
+void serve_open_control_socket(struct server* params);
+
+#endif
+