static couchstore_error_t local_doc_print(couchfile_lookup_request *rq,
const sized_buf *k,
const sized_buf *v)
{
int* count = (int*) rq->callback_ctx;
if (!v) {
return COUCHSTORE_ERROR_DOC_NOT_FOUND;
}
(*count)++;
sized_buf *id = (sized_buf *) k;
if (dumpJson) {
printf("{\"id\":\"");
printjquote(id);
printf("\",");
} else {
printf("Key: ");
printsb(id);
}
if (dumpJson) {
printf("\"value\":\"");
printjquote(v);
printf("\"}\n");
} else {
printf("Value: ");
printsb(v);
printf("\n");
}
return COUCHSTORE_SUCCESS;
}
static int foldprint(Db *db, DocInfo *docinfo, void *ctx)
{
int *count = (int *) ctx;
(*count)++;
Doc *doc = NULL;
uint64_t cas;
uint32_t expiry, flags;
if (mode == DumpBySequence) {
printf("Doc seq: %"PRIu64"\n", docinfo->db_seq);
printf(" id: ");
printsb(&docinfo->id);
} else {
printf(" Doc ID: ");
printsb(&docinfo->id);
if (docinfo->db_seq > 0) {
printf(" seq: %"PRIu64"\n", docinfo->db_seq);
}
}
if (docinfo->bp == 0 && docinfo->deleted == 0) {
printf(" ** This b-tree node is corrupt; raw node value follows:*\n");
printf(" raw: ");
printsbhex(&docinfo->rev_meta, 1);
return 0;
}
printf(" rev: %"PRIu64"\n", docinfo->rev_seq);
printf(" content_meta: %d\n", docinfo->content_meta);
if (docinfo->rev_meta.size == sizeof(CouchbaseRevMeta)) {
const CouchbaseRevMeta* meta = (const CouchbaseRevMeta*)docinfo->rev_meta.buf;
cas = decode_raw64(meta->cas);
expiry = decode_raw32(meta->expiry);
flags = decode_raw32(meta->flags);
printf(" cas: %"PRIu64", expiry: %"PRIu32", flags: %"PRIu32"\n", cas, expiry, flags);
}
if (docinfo->deleted) {
printf(" doc deleted\n");
}
couchstore_error_t docerr = couchstore_open_doc_with_docinfo(db, docinfo, &doc, 0);
if(docerr != COUCHSTORE_SUCCESS) {
printf(" could not read document body: %s\n", couchstore_strerror(docerr));
} else if (doc && (docinfo->content_meta & COUCH_DOC_IS_COMPRESSED)) {
size_t rlen;
snappy_uncompressed_length(doc->data.buf, doc->data.size, &rlen);
char *decbuf = (char *) malloc(rlen);
size_t uncompr_len;
snappy_uncompress(doc->data.buf, doc->data.size, decbuf, &uncompr_len);
printf(" data: (snappy) %.*s\n", (int) uncompr_len, decbuf);
free(decbuf);
} else if(doc) {
printf(" data: ");
printsb(&doc->data);
}
couchstore_free_document(doc);
return 0;
}
static int visit_node(Db *db,
int depth,
const DocInfo* docinfo,
uint64_t subtreeSize,
const sized_buf* reduceValue,
void *ctx)
{
(void) db;
for (int i = 0; i < depth; ++i)
printf(" ");
if (reduceValue) {
// This is a tree node:
printf("+ (%llu) ", (unsigned long long) subtreeSize);
printsbhex(reduceValue, 0);
} else if (docinfo->bp > 0) {
// This is a document:
printf("%c (%llu) ", (docinfo->deleted ? 'x' : '*'),
(unsigned long long) docinfo->size);
if (mode == DumpBySequence) {
printf("#%llu ", (unsigned long long) docinfo->db_seq);
}
printsb(&docinfo->id);
int *count = (int *) ctx;
(*count)++;
} else {
// Document, but not in a known format:
printf("**corrupt?** ");
printsbhex(&docinfo->rev_meta, 1);
}
return 0;
}
int
main(int argc, char* argv[])
{
int fd = open("fs.img", O_RDWR);
if (fd < 0)
{
printf("error: fd < 0\n");
}
struct superblock* sb;
sb = (struct superblock*)(malloc(sizeof(struct superblock)));
if (lseek(fd, BSIZE, SEEK_SET) < 0)
{
printf("error: lseek failed\n");
}
if (read(fd, sb, sizeof(struct superblock)) < 0)
{
printf("error: read failed\n");
}
printsb(sb);
//inode struct
struct dinode* dn;
dn = (struct dinode*)(malloc(sizeof(struct dinode)));
if ( lseek(fd, BSIZE * 2, SEEK_SET) < 0)
{
printf("error: lseek failed\n");
}
if (read(fd, dn, 200 * sizeof(struct dinode)) < 0)
{
printf("error: read failed\n");
}
printf("inode0 is reserved. Not printing.\n");
int inode_cnt;
for(inode_cnt = 1; inode_cnt < 200; inode_cnt++)
{
dn++;
printf("inode%d\n", inode_cnt);
printdn(dn);
}
/*
dn++;
printf("inode%d\n", 1);
printdn(dn);
dn++;
printf("inode%d\n", 2);
printdn(dn);
dn++;
printf("inode%d\n", 3);
printdn(dn);
dn++;
printf("inode%d\n", 4);
printdn(dn);
*/
//dirent struct
//struct dirent* dir;
//dir = (struct dirent*)(malloc(sizeof(struct dirent)));
char bitmap[512];
if ( lseek(fd, BSIZE * 28, SEEK_SET) < 0)
{
printf("error: lseek failed\n");
}
if (read(fd, &bitmap, BSIZE) < 0)
{
printf("error: read failed\n");
}
//printf("dirent%d\n",1);
//printdir(dir);
printf("====\nBit map is:\n");
int j;
for(j = 0; j<512; j++)
{
printf("bitmap[%d] is : %c\n",j, bitmap[j]);
}
return 0;
}
static int foldprint(Db *db, DocInfo *docinfo, void *ctx)
{
int *count = (int *) ctx;
Doc *doc = NULL;
uint64_t cas;
uint32_t expiry, flags;
couchstore_error_t docerr;
(*count)++;
if (dumpJson) {
printf("{\"seq\":%"PRIu64",\"id\":\"", docinfo->db_seq);
printjquote(&docinfo->id);
printf("\",");
} else {
if (mode == DumpBySequence) {
printf("Doc seq: %"PRIu64"\n", docinfo->db_seq);
printf(" id: ");
printsb(&docinfo->id);
} else {
printf(" Doc ID: ");
printsb(&docinfo->id);
if (docinfo->db_seq > 0) {
printf(" seq: %"PRIu64"\n", docinfo->db_seq);
}
}
}
if (docinfo->bp == 0 && docinfo->deleted == 0 && !dumpJson) {
printf(" ** This b-tree node is corrupt; raw node value follows:*\n");
printf(" raw: ");
printsbhex(&docinfo->rev_meta, 1);
return 0;
}
if (dumpJson) {
printf("\"rev\":%"PRIu64",\"content_meta\":%d,", docinfo->rev_seq,
docinfo->content_meta);
printf("\"physical_size\":%zu,", docinfo->size);
} else {
printf(" rev: %"PRIu64"\n", docinfo->rev_seq);
printf(" content_meta: %d\n", docinfo->content_meta);
printf(" size (on disk): %zu\n", docinfo->size);
}
if (docinfo->rev_meta.size >= sizeof(CouchbaseRevMeta)) {
const CouchbaseRevMeta* meta = (const CouchbaseRevMeta*)docinfo->rev_meta.buf;
cas = decode_raw64(meta->cas);
expiry = decode_raw32(meta->expiry);
flags = decode_raw32(meta->flags);
if (dumpJson) {
printf("\"cas\":\"%"PRIu64"\",\"expiry\":%"PRIu32",\"flags\":%"PRIu32",",
cas, expiry, flags);
} else {
printf(" cas: %"PRIu64", expiry: %"PRIu32", flags: %"PRIu32"\n", cas,
expiry,
flags);
}
}
if (docinfo->deleted) {
if (dumpJson) {
printf("\"deleted\":true,");
} else {
printf(" doc deleted\n");
}
}
if (!noBody) {
docerr = couchstore_open_doc_with_docinfo(db, docinfo, &doc, 0);
if (docerr != COUCHSTORE_SUCCESS) {
if (dumpJson) {
printf("\"body\":null}\n");
} else {
printf(" could not read document body: %s\n", couchstore_strerror(docerr));
}
} else if (doc && (docinfo->content_meta & COUCH_DOC_IS_COMPRESSED)) {
size_t rlen;
snappy_uncompressed_length(doc->data.buf, doc->data.size, &rlen);
char *decbuf = (char *) malloc(rlen);
size_t uncompr_len;
snappy_uncompress(doc->data.buf, doc->data.size, decbuf, &uncompr_len);
sized_buf uncompr_body;
uncompr_body.size = uncompr_len;
uncompr_body.buf = decbuf;
if (dumpJson) {
printf("\"size\":%zu,", uncompr_body.size);
printf("\"snappy\":true,\"body\":\"");
if (dumpHex) {
printsbhexraw(&uncompr_body);
} else {
printjquote(&uncompr_body);
}
printf("\"}\n");
} else {
printf(" size: %zu\n", uncompr_body.size);
printf(" data: (snappy) ");
if (dumpHex) {
printsbhexraw(&uncompr_body);
printf("\n");
} else {
printsb(&uncompr_body);
}
}
} else if (doc) {
if (dumpJson) {
printf("\"size\":%zu,", doc->data.size);
printf("\"body\":\"");
printjquote(&doc->data);
printf("\"}\n");
} else {
printf(" size: %zu\n", doc->data.size);
printf(" data: ");
if (dumpHex) {
printsbhexraw(&doc->data);
printf("\n");
} else {
printsb(&doc->data);
}
}
}
} else {
if (dumpJson) {
printf("\"body\":null}\n");
} else {
printf("\n");
}
}
couchstore_free_document(doc);
return 0;
}