#define XMIT_TOP_DIR (1<<0)
#define XMIT_SAME_MODE (1<<1)
#define XMIT_EXTENDED_FLAGS (1<<2)
-#define XMIT_SAME_RDEV_pre28 XMIT_EXTENDED_FLAGS /* Only in protocols < 28 */
+#define XMIT_SAME_RDEV_pre28 XMIT_EXTENDED_FLAGS /* protocols < 28 */
#define XMIT_SAME_UID (1<<3)
#define XMIT_SAME_GID (1<<4)
#define XMIT_SAME_NAME (1<<5)
#define XMIT_LONG_NAME (1<<6)
#define XMIT_SAME_TIME (1<<7)
#define XMIT_SAME_RDEV_MAJOR (1<<8)
-#define XMIT_HAS_IDEV_DATA (1<<9)
-#define XMIT_SAME_DEV (1<<10)
+#define XMIT_HLINKED (1<<9)
+#define XMIT_SAME_DEV_pre30 (1<<10) /* protocols < 30 */
+#define XMIT_HLINK_FIRST (1<<10) /* protocols >= 30 */
#define XMIT_RDEV_MINOR_IS_SMALL (1<<11)
/* These flags are used in the live flist data. */
#define FLAG_SENT (1<<1) /* sender/generator */
#define FLAG_XFER_DIR (1<<2) /* sender/receiver/generator */
#define FLAG_MOUNT_DIR (1<<3) /* sender/generator */
-#define FLAG_MISSING_DIR (1<<4) /* generator (dirs only) */
-#define FLAG_HLINK_INFO (1<<5) /* receiver/generator */
+#define FLAG_MISSING_DIR (1<<4) /* generator */
+#define FLAG_HLINKED (1<<5) /* receiver/generator */
#define FLAG_HLINK_FIRST (1<<6) /* receiver/generator */
#define FLAG_HLINK_LAST (1<<7) /* receiver/generator */
+#define FLAG_HLINK_DONE (1<<8) /* receiver/generator */
+#define FLAG_LENGTH64 (1<<9) /* sender/receiver/generator */
+
+#define BITS_SET(val,bits) (((val) & (bits)) == (bits))
+#define BITS_SETnUNSET(val,onbits,offbits) (((val) & ((onbits)|(offbits))) == (onbits))
+#define BITS_EQUAL(b1,b2,mask) (((unsigned)(b1) & (unsigned)(mask)) \
+ == ((unsigned)(b2) & (unsigned)(mask)))
/* update this if you make incompatible changes */
#define PROTOCOL_VERSION 30
enum msgcode {
MSG_DATA=0, /* raw data on the multiplexed stream */
MSG_ERROR=FERROR, MSG_INFO=FINFO, /* remote logging */
- MSG_LOG=FLOG, MSG_SOCKERR=FSOCKERR, /* sibling logging */
+ MSG_LOG=FLOG, MSG_CLIENT=FCLIENT, MSG_SOCKERR=FSOCKERR, /* sibling logging */
MSG_REDO=9, /* reprocess indicated flist index */
MSG_SUCCESS=100,/* successfully updated indicated flist index */
MSG_DELETED=101,/* successfully deleted a file on receiving side */
int64 dev;
};
+struct idev_node {
+ int64 key;
+ void *data;
+};
+
#ifndef MIN
#define MIN(a,b) ((a)<(b)?(a):(b))
#endif
#define GID_NONE ((gid_t)-1)
-#define HL_CHECK_MASTER 0
-#define HL_SKIP 1
-
-struct hlist {
- int32 next;
- int32 hlindex;
- unsigned short dest_used;
+union file_extras {
+ uid_t uid; /* The user ID number */
+ uid_t gid; /* The group ID number or GID_NONE */
+ struct idev *idev; /* The hard-link info during matching */
+ int32 num; /* A signed number */
+ uint32 unum; /* An unsigned number */
};
struct file_struct {
- OFF_T length;
- const char *basename; /* The current item's name (AKA filename) */
- const char *dirname; /* The directory info inside the transfer */
+ time_t modtime; /* When the item was last modified */
+ const char *dirname; /* The dir info inside the transfer */
union {
- const char *root;/* Sender-side dir info outside transfer */
- int depth; /* Receiver-side directory depth info */
+ const char *root; /* Sender-side dir info outside transfer */
+ int32 depth; /* Receiver-side directory depth info */
} dir;
- time_t modtime;
- mode_t mode;
- uchar flags; /* this item MUST remain last */
+ uint32 len32; /* Lowest 32 bits of the file's length */
+ unsigned short mode; /* The item's type and permissions */
+ unsigned short flags; /* The FLAG_* bits for this item */
+ const char basename[1]; /* The basename (AKA filename) follows */
};
-/*
- * Start the flist array at FLIST_START entries and grow it
- * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR
- */
-#define FLIST_START (32 * 1024)
-#define FLIST_LINEAR (FLIST_START * 512)
+extern int flist_extra_cnt;
+extern int preserve_uid;
+extern int preserve_gid;
-union flist_extras {
- uid_t uid; /* the user ID number */
- uid_t gid; /* the group ID number or GID_NONE */
- struct idev *idev; /* The hard-link info during matching */
- struct hlist *hlist; /* The hard-link info after matching */
- int32 num; /* A general-purpose number */
-};
+#define FILE_STRUCT_LEN (offsetof(struct file_struct, basename))
+#define EXTRA_LEN (sizeof (union file_extras))
+#define SUM_EXTRA_CNT ((MD4_SUM_LENGTH + EXTRA_LEN - 1) / EXTRA_LEN)
+
+#define REQ_EXTRA(f,ndx) ((union file_extras*)(f) - (ndx))
+#define OPT_EXTRA(f,bump) ((union file_extras*)(f) - flist_extra_cnt - 1 - (bump))
-#define FLIST_EXTRA(f,j) ((union flist_extras *)(f))[-(j)]
-#define IS_HLINKED(f) ((f)->flags & FLAG_HLINK_INFO)
+#define LEN64_BUMP(f) ((f)->flags & FLAG_LENGTH64 ? 1 : 0)
+#define HLINK_BUMP(f) (F_IS_HLINKED(f) ? 1 : 0)
-/* When enabled, all entries have these: */
-#define F_UID(f) FLIST_EXTRA(f, preserve_uid).uid
-#define F_GID(f) FLIST_EXTRA(f, preserve_gid).gid
+/* The length applies to all items. */
+#if SIZEOF_INT64 < 8
+#define F_LENGTH(f) ((int64)(f)->len32)
+#else
+#define F_LENGTH(f) ((int64)(f)->len32 + ((f)->flags & FLAG_LENGTH64 \
+ ? (int64)OPT_EXTRA(f, 0)->unum << 32 : 0))
+#endif
+
+/* If there is a symlink string, it is always right after the basename */
+#define F_SYMLINK(f) ((f)->basename + strlen((f)->basename) + 1)
+
+/* When the associated option is on, all entries will have these present: */
+#define F_UID(f) REQ_EXTRA(f, preserve_uid)->uid
+#define F_GID(f) REQ_EXTRA(f, preserve_gid)->gid
+
+/* These items are per-entry optional and mutally exclusive: */
+#define F_HL_IDEV(f) OPT_EXTRA(f, LEN64_BUMP(f))->idev
+#define F_HL_GNUM(f) OPT_EXTRA(f, LEN64_BUMP(f))->num
+#define F_HL_PREV(f) OPT_EXTRA(f, LEN64_BUMP(f))->num
+
+/* This optional item might follow an F_HL_*() item.
+ * (Note: a device doesn't need to check LEN64_BUMP(f).) */
+#define F_RDEV_P(f) (&OPT_EXTRA(f, HLINK_BUMP(f) + 2 - 1)->unum)
+
+/* The sum is only present on regular files. */
+#define F_SUM(f) ((const char*)OPT_EXTRA(f, LEN64_BUMP(f) + HLINK_BUMP(f) \
+ + SUM_EXTRA_CNT - 1))
-/* These are per-entry optional and mutally exclusive: */
-#define F_IDEV(f) FLIST_EXTRA(f, flist_extra_ndx).idev
-#define F_HLIST(f) FLIST_EXTRA(f, flist_extra_ndx).hlist
+/* Some utility defines: */
+#define F_IS_ACTIVE(f) (f)->basename[0]
+#define F_IS_HLINKED(f) ((f)->flags & FLAG_HLINKED)
+#define F_HLINK_NOT_FIRST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_FIRST)
+#define F_HLINK_NOT_LAST(f) BITS_SETnUNSET((f)->flags, FLAG_HLINKED, FLAG_HLINK_LAST)
-/* These are per-entry optional, but always both or neither: */
-#define F_DMAJOR(f) FLIST_EXTRA(f, flist_extra_ndx + (IS_HLINKED(f)? 1 : 0)).num
-#define F_DMINOR(f) FLIST_EXTRA(f, flist_extra_ndx + (IS_HLINKED(f)? 2 : 1)).num
+#define DEV_MAJOR(a) (a)[0]
+#define DEV_MINOR(a) (a)[1]
-/* This is the first string past the struct (mutually exclusive). */
-#define F_SYMLINK(f) ((char*)(f) + file_struct_len)
-#define F_SUM(f) F_SYMLINK(f)
+/*
+ * Start the flist array at FLIST_START entries and grow it
+ * by doubling until FLIST_LINEAR then grow by FLIST_LINEAR
+ */
+#define FLIST_START (32 * 1024)
+#define FLIST_LINEAR (FLIST_START * 512)
/*
* Extent size for allocation pools: A minimum size of 128KB
#define FILE_EXTENT (256 * 1024)
#define HLINK_EXTENT (128 * 1024)
-#define WITH_HLINK 1
-#define WITHOUT_HLINK 0
-
struct file_list {
struct file_struct **files;
alloc_pool_t file_pool;
- alloc_pool_t hlink_pool;
int count, malloced;
int low, high; /* 0-relative index values excluding empties */
};
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff