Add mboxes

src/flexnbd.h

@@ -0,0 +1,75 @@
+#ifndef FLEXNBD_H
+#define FLEXNBD_H
+
+#include "acl.h"
+#include "mirror.h"
+#include "serve.h"
+#include "listen.h"
+#include "self_pipe.h"
+#include "mbox.h"
+#include "control.h"
+
+/* Carries the "globals". */
+struct flexnbd {
+
+	/* We always have a serve pointer, but it should never be
+	 * dereferenced outside a flexnbd_switch_lock/unlock pair.
+	 */
+	struct server * serve;
+	/* We only have a listen object if the process was started in
+	 * listen mode.
+	 */
+	struct listen * listen;
+	/* We only have a control object if a control socket name was
+	 * passed on the command line.
+	 */
+	struct control * control;
+
+	/* switch_mutex is the lock around dereferencing the serve
+	 * pointer.
+	 */
+	pthread_mutex_t switch_mutex;
+
+	/* File descriptor for a signalfd(2) signal stream. */
+	int signal_fd;
+};
+
+struct flexnbd * flexnbd_create(void);
+struct flexnbd * flexnbd_create_serving(
+	char* s_ip_address,
+	char* s_port,
+	char* s_file,
+	char *s_ctrl_sock,
+	int default_deny,
+	int acl_entries,
+	char** s_acl_entries,
+	int max_nbd_clients);
+
+struct flexnbd * flexnbd_create_listening(
+		char* s_ip_address, 
+		char* s_rebind_ip_address, 
+		char* s_port, 
+		char* s_rebind_port, 
+		char* s_file,
+		char *s_ctrl_sock, 
+		int default_deny,
+		int acl_entries, 
+		char** s_acl_entries,
+		int max_nbd_clients );
+
+void flexnbd_destroy( struct flexnbd * );
+enum mirror_state;
+enum mirror_state flexnbd_get_mirror_state( struct flexnbd * );
+void flexnbd_switch_lock( struct flexnbd * );
+void flexnbd_switch_unlock( struct flexnbd * );
+int flexnbd_default_deny( struct flexnbd * );
+void flexnbd_set_server( struct flexnbd * flexnbd, struct server * serve );
+void flexnbd_switch( struct flexnbd * flexnbd, struct server *(listen_cb)(struct listen *) );
+int flexnbd_signal_fd( struct flexnbd * flexnbd );
+
+
+int flexnbd_serve( struct flexnbd * flexnbd );
+struct server * flexnbd_server( struct flexnbd * flexnbd );
+void flexnbd_replace_acl( struct flexnbd * flexnbd, struct acl * acl );
+struct status * flexnbd_status_create( struct flexnbd * flexnbd );
+#endif