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https://github.com/isar/libmdbx.git
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mdbx: enumeration for page types.
This commit is contained in:
Leo Yuriev
@@ -241,84 +241,112 @@ static uint64_t problems_pop(struct problem *list) {
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}
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static int pgvisitor(uint64_t pgno, unsigned pgnumber, void *ctx,
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const char *dbi_name, const char *type, size_t nentries,
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const char *dbi_name, size_t page_size,
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MDBX_page_type_t pagetype, size_t nentries,
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size_t payload_bytes, size_t header_bytes,
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size_t unused_bytes) {
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(void)ctx;
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if (pagetype == MDBX_page_void)
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return MDBX_SUCCESS;
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if (type) {
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uint64_t page_bytes = payload_bytes + header_bytes + unused_bytes;
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size_t page_size = (size_t)pgnumber * envstat.ms_psize;
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walk_dbi_t *dbi = pagemap_lookup_dbi(dbi_name);
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if (!dbi)
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return MDBX_ENOMEM;
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uint64_t page_bytes = payload_bytes + header_bytes + unused_bytes;
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walk_dbi_t *dbi = pagemap_lookup_dbi(dbi_name);
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if (!dbi)
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return MDBX_ENOMEM;
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if (verbose > 2 && (!only_subdb || strcmp(only_subdb, dbi_name) == 0)) {
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if (pgnumber == 1)
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print(" %s-page %" PRIu64, type, pgno);
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else
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print(" %s-span %" PRIu64 "[%u]", type, pgno, pgnumber);
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print(" of %s: header %" PRIiPTR ", payload %" PRIiPTR
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", unused %" PRIiPTR "\n",
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dbi_name, header_bytes, payload_bytes, unused_bytes);
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}
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walk.pgcount += pgnumber;
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const char *pagetype_caption;
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switch (pagetype) {
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default:
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problem_add("page", pgno, "unknown page-type", "%u", (unsigned)pagetype);
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pagetype_caption = "unknown";
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break;
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case MDBX_page_meta:
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pagetype_caption = "meta";
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break;
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case MDBX_page_large:
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pagetype_caption = "large";
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break;
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case MDBX_page_branch:
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pagetype_caption = "branch";
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break;
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case MDBX_page_leaf:
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pagetype_caption = "leaf";
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break;
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case MDBX_page_dupfixed_leaf:
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pagetype_caption = "leaf-dupfixed";
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break;
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case MDBX_subpage_leaf:
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pagetype_caption = "subleaf-dupsort";
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break;
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case MDBX_subpage_dupfixed_leaf:
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pagetype_caption = "subleaf-dupfixed";
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break;
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}
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walk.pgcount += pgnumber;
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if (verbose > 2 && (!only_subdb || strcmp(only_subdb, dbi_name) == 0)) {
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if (pgnumber == 1)
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print(" %s-page %" PRIu64, pagetype_caption, pgno);
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else
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print(" %s-span %" PRIu64 "[%u]", pagetype_caption, pgno, pgnumber);
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print(" of %s: header %" PRIiPTR ", payload %" PRIiPTR ", unused %" PRIiPTR
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"\n",
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dbi_name, header_bytes, payload_bytes, unused_bytes);
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}
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if (unused_bytes > page_size)
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problem_add("page", pgno, "illegal unused-bytes",
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"%u < %" PRIuPTR " < %u", 0, unused_bytes, envstat.ms_psize);
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if (unused_bytes > page_size)
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problem_add("page", pgno, "illegal unused-bytes", "%u < %" PRIuPTR " < %u",
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0, unused_bytes, envstat.ms_psize);
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if (header_bytes < (int)sizeof(long) ||
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(size_t)header_bytes >= envstat.ms_psize - sizeof(long))
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problem_add("page", pgno, "illegal header-length",
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"%" PRIuPTR " < %" PRIuPTR " < %" PRIuPTR, sizeof(long),
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header_bytes, envstat.ms_psize - sizeof(long));
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if (payload_bytes < 1) {
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if (nentries > 1) {
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problem_add("page", pgno, "zero size-of-entry",
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"payload %" PRIuPTR " bytes, %" PRIuPTR " entries",
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payload_bytes, nentries);
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if ((size_t)header_bytes + unused_bytes < page_size) {
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/* LY: hush a misuse error */
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page_bytes = page_size;
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}
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} else {
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problem_add("page", pgno, "empty",
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"payload %" PRIuPTR " bytes, %" PRIuPTR " entries",
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payload_bytes, nentries);
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dbi->pages.empty += 1;
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if (header_bytes < (int)sizeof(long) ||
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(size_t)header_bytes >= envstat.ms_psize - sizeof(long))
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problem_add("page", pgno, "illegal header-length",
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"%" PRIuPTR " < %" PRIuPTR " < %" PRIuPTR, sizeof(long),
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header_bytes, envstat.ms_psize - sizeof(long));
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if (payload_bytes < 1) {
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if (nentries > 1) {
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problem_add("page", pgno, "zero size-of-entry",
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"payload %" PRIuPTR " bytes, %" PRIuPTR " entries",
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payload_bytes, nentries);
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if ((size_t)header_bytes + unused_bytes < page_size) {
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/* LY: hush a misuse error */
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page_bytes = page_size;
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}
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}
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if (page_bytes != page_size) {
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problem_add("page", pgno, "misused",
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"%" PRIu64 " != %" PRIu64 " (%" PRIuPTR "h + %" PRIuPTR
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"p + %" PRIuPTR "u)",
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page_size, page_bytes, header_bytes, payload_bytes,
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unused_bytes);
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if (page_size > page_bytes)
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dbi->lost_bytes += page_size - page_bytes;
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} else {
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dbi->payload_bytes += payload_bytes + header_bytes;
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walk.total_payload_bytes += payload_bytes + header_bytes;
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problem_add("page", pgno, "empty",
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"payload %" PRIuPTR " bytes, %" PRIuPTR " entries",
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payload_bytes, nentries);
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dbi->pages.empty += 1;
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}
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}
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if (pgnumber) {
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do {
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if (pgno >= lastpgno)
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problem_add("page", pgno, "wrong page-no", "%" PRIu64 " > %" PRIu64,
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pgno, lastpgno);
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else if (walk.pagemap[pgno])
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problem_add("page", pgno, "already used", "in %s",
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walk.dbi[walk.pagemap[pgno]].name);
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else {
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walk.pagemap[pgno] = (short)(dbi - walk.dbi);
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dbi->pages.total += 1;
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}
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++pgno;
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} while (--pgnumber);
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}
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if (page_bytes != page_size) {
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problem_add("page", pgno, "misused",
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"%" PRIu64 " != %" PRIu64 " (%" PRIuPTR "h + %" PRIuPTR
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"p + %" PRIuPTR "u)",
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page_size, page_bytes, header_bytes, payload_bytes,
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unused_bytes);
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if (page_size > page_bytes)
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dbi->lost_bytes += page_size - page_bytes;
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} else {
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dbi->payload_bytes += payload_bytes + header_bytes;
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walk.total_payload_bytes += payload_bytes + header_bytes;
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}
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if (pgnumber) {
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do {
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if (pgno >= lastpgno)
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problem_add("page", pgno, "wrong page-no", "%" PRIu64 " > %" PRIu64,
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pgno, lastpgno);
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else if (walk.pagemap[pgno])
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problem_add("page", pgno, "already used", "in %s",
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walk.dbi[walk.pagemap[pgno]].name);
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else {
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walk.pagemap[pgno] = (short)(dbi - walk.dbi);
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dbi->pages.total += 1;
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}
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++pgno;
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} while (--pgnumber);
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}
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return user_break ? MDBX_EINTR : MDBX_SUCCESS;
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