This patch implements a new set of log printing functions to print the
ATTRI and ATTRD items and vectors in the log. These will be used during
log dump and log recover operations.
Signed-off-by: Allison Henderson <allison.henderson@xxxxxxxxxx>
---
logprint/log_misc.c | 48 +++++++++++-
logprint/log_print_all.c | 12 +++
logprint/log_redo.c | 197 +++++++++++++++++++++++++++++++++++++++++++++++
logprint/logprint.h | 12 +++
4 files changed, 268 insertions(+), 1 deletion(-)
diff --git a/logprint/log_misc.c b/logprint/log_misc.c
index 35e926a..d8c6038 100644
--- a/logprint/log_misc.c
+++ b/logprint/log_misc.c
@@ -54,11 +54,46 @@ print_stars(void)
"***********************************\n");
} /* print_stars */
+void
+print_hex_dump(char *ptr, int len) {
+ int i = 0;
+
+ for (i = 0; i < len; i++) {
+ if (i % 16 == 0)
+ printf("%08x ", i);
+
+ printf("%02x", ptr[i]);
+
+ if ((i+1)%16 == 0)
+ printf("\n");
+ else if ((i+1)%2 == 0)
+ printf(" ");
+ }
+ printf("\n");
+}
+
+bool
+is_printable(char *ptr, int len) {
+ int i = 0;
+
+ for (i = 0; i < len; i++)
+ if (!isprint(ptr[i]) )
+ return false;
+ return true;
+}
+
+void print_or_dump(char *ptr, int len) {
+ if (is_printable(ptr, len))
+ printf("%.*s\n", len, ptr);
+ else
+ print_hex_dump(ptr, len);
+}
+
/*
* Given a pointer to a data segment, print out the data as if it were
* a log operation header.
*/
-static void
+void
xlog_print_op_header(xlog_op_header_t *op_head,
int i,
char **ptr)
@@ -961,6 +996,17 @@ xlog_print_record(
be32_to_cpu(op_head->oh_len));
break;
}
+ case XFS_LI_ATTRI: {
+ skip = xlog_print_trans_attri(&ptr,
+ be32_to_cpu(op_head->oh_len),
+ &i);
+ break;
+ }
+ case XFS_LI_ATTRD: {
+ skip = xlog_print_trans_attrd(&ptr,
+ be32_to_cpu(op_head->oh_len));
+ break;
+ }
case XFS_LI_RUI: {
skip = xlog_print_trans_rui(&ptr,
be32_to_cpu(op_head->oh_len),
diff --git a/logprint/log_print_all.c b/logprint/log_print_all.c
index c9c453f..89cb649 100644
--- a/logprint/log_print_all.c
+++ b/logprint/log_print_all.c
@@ -404,6 +404,12 @@ xlog_recover_print_logitem(
case XFS_LI_EFI:
xlog_recover_print_efi(item);
break;
+ case XFS_LI_ATTRD:
+ xlog_recover_print_attrd(item);
+ break;
+ case XFS_LI_ATTRI:
+ xlog_recover_print_attri(item);
+ break;
case XFS_LI_RUD:
xlog_recover_print_rud(item);
break;
@@ -456,6 +462,12 @@ xlog_recover_print_item(
case XFS_LI_EFI:
printf("EFI");
break;
+ case XFS_LI_ATTRD:
+ printf("ATTRD");
+ break;
+ case XFS_LI_ATTRI:
+ printf("ATTRI");
+ break;
case XFS_LI_RUD:
printf("RUD");
break;
diff --git a/logprint/log_redo.c b/logprint/log_redo.c
index 297e203..502345d 100644
--- a/logprint/log_redo.c
+++ b/logprint/log_redo.c
@@ -653,3 +653,200 @@ xlog_recover_print_bud(
f = item->ri_buf[0].i_addr;
xlog_print_trans_bud(&f, sizeof(struct xfs_bud_log_format));
}
+
+/* Attr Items */
+
+static int
+xfs_attri_copy_log_format(
+ char *buf,
+ uint len,
+ struct xfs_attri_log_format *dst_attri_fmt)
+{
+ uint dst_len = sizeof(struct xfs_attri_log_format);
+
+ if (len == dst_len) {
+ memcpy((char *)dst_attri_fmt, buf, len);
+ return 0;
+ }
+
+ fprintf(stderr, _("%s: bad size of attri format: %u; expected %u\n"),
+ progname, len, dst_len);
+ return 1;
+}
+
+int
+xlog_print_trans_attri(
+ char **ptr,
+ uint src_len,
+ int *i)
+{
+ struct xfs_attri_log_format *src_f = NULL;
+ xlog_op_header_t *head = NULL;
+ uint dst_len;
+ int error = 0;
+
+ dst_len = sizeof(struct xfs_attri_log_format);
+ if (src_len != dst_len) {
+ fprintf(stderr, _("%s: bad size of attri format: %u; expected %u\n"),
+ progname, src_len, dst_len);
+ return 1;
+ }
+
+ /*
+ * memmove to ensure 8-byte alignment for the long longs in
+ * xfs_attri_log_format_t structure
+ */
+ src_f = malloc(src_len);
+ if (!src_f) {
+ fprintf(stderr, _("%s: xlog_print_trans_attri: malloc failed\n"),
+ progname);
+ exit(1);
+ }
+ memmove((char*)src_f, *ptr, src_len);
+ *ptr += src_len;
+
+ printf(_("ATTRI: #regs: %d name_len: %d, value_len: %d id: 0x%llx\n"),
+ src_f->alfi_size, src_f->alfi_name_len, src_f->alfi_value_len,
+ (unsigned long long)src_f->alfi_id);
+
+ if (src_f->alfi_name_len > 0) {
+ printf(_("\n"));
+ (*i)++;
+ head = (xlog_op_header_t *)*ptr;
+ xlog_print_op_header(head, *i, ptr);
+ error = xlog_print_trans_attri_name(ptr, be32_to_cpu(head->oh_len));
+ if (error)
+ goto error;
+ }
+
+ if (src_f->alfi_value_len > 0) {
+ printf(_("\n"));
+ (*i)++;
+ head = (xlog_op_header_t *)*ptr;
+ xlog_print_op_header(head, *i, ptr);
+ error = xlog_print_trans_attri_value(ptr, be32_to_cpu(head->oh_len),
+ src_f->alfi_value_len);
+ }
+error:
+ free(src_f);
+
+ return error;
+} /* xlog_print_trans_attri */
+
+int
+xlog_print_trans_attri_name(
+ char **ptr,
+ uint src_len)
+{
+ printf(_("ATTRI: name len:%u\n"), src_len);
+ print_or_dump(*ptr, src_len);
+
+ *ptr += src_len;
+
+ return 0;
+} /* xlog_print_trans_attri */
+
+int
+xlog_print_trans_attri_value(
+ char **ptr,
+ uint src_len,
+ int value_len)
+{
+ int len = value_len;
+
+ if (len > MAX_ATTR_VAL_PRINT)
+ len = MAX_ATTR_VAL_PRINT;
+
+ printf(_("ATTRI: value len:%u\n"), value_len);
+ print_or_dump(*ptr, len);
+
+ *ptr += src_len;
+
+ return 0;
+} /* xlog_print_trans_attri_value */
+
+void
+xlog_recover_print_attri(
+ struct xlog_recover_item *item)
+{
+ struct xfs_attri_log_format *f, *src_f = NULL;
+ uint src_len, dst_len;
+
+ int region = 0;
+
+ src_f = (struct xfs_attri_log_format *)item->ri_buf[0].i_addr;
+ src_len = item->ri_buf[region].i_len;
+
+ /*
+ * An xfs_attri_log_format structure contains a attribute name and
+ * variable length value as the last field.
+ */
+ dst_len = sizeof(struct xfs_attri_log_format);
+
+ if ((f = ((struct xfs_attri_log_format *)malloc(dst_len))) == NULL) {
+ fprintf(stderr, _("%s: xlog_recover_print_attri: malloc failed\n"),
+ progname);
+ exit(1);
+ }
+ if (xfs_attri_copy_log_format((char*)src_f, src_len, f))
+ goto out;
+
+ printf(_("ATTRI: #regs: %d name_len: %d, value_len: %d id: 0x%llx\n"),
+ f->alfi_size, f->alfi_name_len, f->alfi_value_len, (unsigned long long)f->alfi_id);
+
+ if (f->alfi_name_len > 0) {
+ region++;
+ printf(_("ATTRI: name len:%u\n"), f->alfi_name_len);
+ print_or_dump((char *)item->ri_buf[region].i_addr,
+ f->alfi_name_len);
+ }
+
+ if (f->alfi_value_len > 0) {
+ int len = f->alfi_value_len;
+
+ if (len > MAX_ATTR_VAL_PRINT)
+ len = MAX_ATTR_VAL_PRINT;
+
+ region++;
+ printf(_("ATTRI: value len:%u\n"), f->alfi_value_len);
+ print_or_dump((char *)item->ri_buf[region].i_addr, len);
+ }
+
+out:
+ free(f);
+
+}
+
+int
+xlog_print_trans_attrd(char **ptr, uint len)
+{
+ struct xfs_attrd_log_format *f;
+ struct xfs_attrd_log_format lbuf;
+ uint core_size = sizeof(struct xfs_attrd_log_format);
+
+ memcpy(&lbuf, *ptr, MIN(core_size, len));
+ f = &lbuf;
+ *ptr += len;
+ if (len >= core_size) {
+ printf(_("ATTRD: #regs: %d id: 0x%llx\n"),
+ f->alfd_size,
+ (unsigned long long)f->alfd_alf_id);
+ return 0;
+ } else {
+ printf(_("ATTRD: Not enough data to decode further\n"));
+ return 1;
+ }
+} /* xlog_print_trans_attrd */
+
+void
+xlog_recover_print_attrd(
+ struct xlog_recover_item *item)
+{
+ struct xfs_attrd_log_format *f;
+
+ f = (struct xfs_attrd_log_format *)item->ri_buf[0].i_addr;
+
+ printf(_(" ATTRD: #regs: %d id: 0x%llx\n"),
+ f->alfd_size,
+ (unsigned long long)f->alfd_alf_id);
+}
diff --git a/logprint/logprint.h b/logprint/logprint.h
index 38a7d3f..b4479c2 100644
--- a/logprint/logprint.h
+++ b/logprint/logprint.h
@@ -29,6 +29,9 @@ extern void xfs_log_print_trans(struct xlog *, int);
extern void print_xlog_record_line(void);
extern void print_xlog_op_line(void);
extern void print_stars(void);
+extern void print_hex_dump(char* ptr, int len);
+extern bool is_printable(char* ptr, int len);
+extern void print_or_dump(char* ptr, int len);
extern struct xfs_inode_log_format *
xfs_inode_item_format_convert(char *, uint, struct xfs_inode_log_format *);
@@ -53,4 +56,13 @@ extern void xlog_recover_print_bui(struct xlog_recover_item *item);
extern int xlog_print_trans_bud(char **ptr, uint len);
extern void xlog_recover_print_bud(struct xlog_recover_item *item);
+#define MAX_ATTR_VAL_PRINT 128
+
+extern int xlog_print_trans_attri(char **ptr, uint src_len, int *i);
+extern int xlog_print_trans_attri_name(char **ptr, uint src_len);
+extern int xlog_print_trans_attri_value(char **ptr, uint src_len, int value_len);
+extern void xlog_recover_print_attri(struct xlog_recover_item *item);
+extern int xlog_print_trans_attrd(char **ptr, uint len);
+extern void xlog_recover_print_attrd(struct xlog_recover_item *item);
+extern void xlog_print_op_header(xlog_op_header_t *op_head, int i, char **ptr);
#endif /* LOGPRINT_H */
--
2.7.4
