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Split out send and reply operations into separate callbacks.
[libguestfs.git]
/
daemon
/
daemon.h
diff --git
a/daemon/daemon.h
b/daemon/daemon.h
index
27d86c9
..
ca71265
100644
(file)
--- a/
daemon/daemon.h
+++ b/
daemon/daemon.h
@@
-30,7
+30,7
@@
#include "../src/guestfs_protocol.h"
#include "../src/guestfs_protocol.h"
-/*
in guestfsd.c
*/
+/*
-- in guestfsd.c --
*/
extern int xwrite (int sock, const void *buf, size_t len);
extern int xread (int sock, void *buf, size_t len);
extern int xwrite (int sock, const void *buf, size_t len);
extern int xread (int sock, void *buf, size_t len);
@@
-44,25
+44,37
@@
extern int command (char **stdoutput, char **stderror, const char *name, ...);
extern int commandv (char **stdoutput, char **stderror,
char * const* const argv);
extern int commandv (char **stdoutput, char **stderror,
char * const* const argv);
-/*
in proto.c
*/
+/*
-- in proto.c --
*/
extern int proc_nr;
extern int serial;
extern int proc_nr;
extern int serial;
-/*
in mount.c
*/
+/*
-- in mount.c --
*/
extern int root_mounted;
extern int root_mounted;
-/*
in stubs.c (auto-generated)
*/
+/*
-- in stubs.c (auto-generated) --
*/
extern void dispatch_incoming_message (XDR *);
extern guestfs_lvm_int_pv_list *parse_command_line_pvs (void);
extern guestfs_lvm_int_vg_list *parse_command_line_vgs (void);
extern guestfs_lvm_int_lv_list *parse_command_line_lvs (void);
extern void dispatch_incoming_message (XDR *);
extern guestfs_lvm_int_pv_list *parse_command_line_pvs (void);
extern guestfs_lvm_int_vg_list *parse_command_line_vgs (void);
extern guestfs_lvm_int_lv_list *parse_command_line_lvs (void);
-/*
in proto.c
*/
+/*
-- in proto.c --
*/
extern void main_loop (int sock);
extern void main_loop (int sock);
+
+/* ordinary daemon functions use these to indicate errors */
extern void reply_with_error (const char *fs, ...);
extern void reply_with_perror (const char *fs, ...);
extern void reply_with_error (const char *fs, ...);
extern void reply_with_perror (const char *fs, ...);
+
+/* daemon functions that return files (FileOut) should call
+ * reply, then send_file for each FileOut parameter.
+ */
+#if 0
+extern void send_file ();
+#endif
+
+/* only call this if there is a FileOut parameter */
extern void reply (xdrproc_t xdrp, char *ret);
extern void reply (xdrproc_t xdrp, char *ret);
+/* Helper for functions that need a root filesystem mounted. */
#define NEED_ROOT(errcode) \
do { \
if (!root_mounted) { \
#define NEED_ROOT(errcode) \
do { \
if (!root_mounted) { \
@@
-72,6
+84,7
@@
extern void reply (xdrproc_t xdrp, char *ret);
} \
while (0)
} \
while (0)
+/* Helper for functions that need an argument ("path") that is absolute. */
#define ABS_PATH(path,errcode) \
do { \
if ((path)[0] != '/') { \
#define ABS_PATH(path,errcode) \
do { \
if ((path)[0] != '/') { \
@@
-80,6
+93,7
@@
extern void reply (xdrproc_t xdrp, char *ret);
} \
} while (0)
} \
} while (0)
+/* Helper for functions that need an argument ("path") that is a device. */
#define IS_DEVICE(path,errcode) \
do { \
struct stat statbuf; \
#define IS_DEVICE(path,errcode) \
do { \
struct stat statbuf; \
@@
-104,6
+118,7
@@
extern void reply (xdrproc_t xdrp, char *ret);
#define CHROOT_OUT \
do { int old_errno = errno; chroot ("."); errno = old_errno; } while (0)
#define CHROOT_OUT \
do { int old_errno = errno; chroot ("."); errno = old_errno; } while (0)
+/* Marks functions which are not implemented. */
#define XXX_NOT_IMPL(errcode) \
do { \
reply_with_error ("%s: function not implemented", __func__); \
#define XXX_NOT_IMPL(errcode) \
do { \
reply_with_error ("%s: function not implemented", __func__); \