#include "run-command.h"
#include "packfile.h"
#include "object-store.h"
+#include "mem-pool.h"
#define PACK_ID_BITS 16
#define MAX_PACK_ID ((1<<PACK_ID_BITS)-1)
unsigned no_swap : 1;
};
-struct mem_pool {
- struct mem_pool *next_pool;
- char *next_free;
- char *end;
- uintmax_t space[FLEX_ARRAY]; /* more */
-};
-
struct atom_str {
struct atom_str *next_atom;
unsigned short str_len;
static const char **global_argv;
/* Memory pools */
-static size_t mem_pool_alloc = 2*1024*1024 - sizeof(struct mem_pool);
-static size_t total_allocd;
-static struct mem_pool *mem_pool;
+static struct mem_pool fi_mem_pool = {NULL, 2*1024*1024 -
+ sizeof(struct mp_block), 0 };
/* Atom management */
static unsigned int atom_table_sz = 4451;
/* The .pack file being generated */
static struct pack_idx_option pack_idx_opts;
static unsigned int pack_id;
-static struct sha1file *pack_file;
+static struct hashfile *pack_file;
static struct packed_git *pack_data;
static struct packed_git **all_packs;
static off_t pack_size;
static void *avail_tree_entry;
static unsigned int avail_tree_table_sz = 100;
static struct avail_tree_content **avail_tree_table;
+static size_t tree_entry_allocd;
static struct strbuf old_tree = STRBUF_INIT;
static struct strbuf new_tree = STRBUF_INIT;
return r;
}
-static void *pool_alloc(size_t len)
-{
- struct mem_pool *p;
- void *r;
-
- /* round up to a 'uintmax_t' alignment */
- if (len & (sizeof(uintmax_t) - 1))
- len += sizeof(uintmax_t) - (len & (sizeof(uintmax_t) - 1));
-
- for (p = mem_pool; p; p = p->next_pool)
- if ((p->end - p->next_free >= len))
- break;
-
- if (!p) {
- if (len >= (mem_pool_alloc/2)) {
- total_allocd += len;
- return xmalloc(len);
- }
- total_allocd += sizeof(struct mem_pool) + mem_pool_alloc;
- p = xmalloc(st_add(sizeof(struct mem_pool), mem_pool_alloc));
- p->next_pool = mem_pool;
- p->next_free = (char *) p->space;
- p->end = p->next_free + mem_pool_alloc;
- mem_pool = p;
- }
-
- r = p->next_free;
- p->next_free += len;
- return r;
-}
-
-static void *pool_calloc(size_t count, size_t size)
-{
- size_t len = count * size;
- void *r = pool_alloc(len);
- memset(r, 0, len);
- return r;
-}
-
static char *pool_strdup(const char *s)
{
size_t len = strlen(s) + 1;
- char *r = pool_alloc(len);
+ char *r = mem_pool_alloc(&fi_mem_pool, len);
memcpy(r, s, len);
return r;
}
{
struct mark_set *s = marks;
while ((idnum >> s->shift) >= 1024) {
- s = pool_calloc(1, sizeof(struct mark_set));
+ s = mem_pool_calloc(&fi_mem_pool, 1, sizeof(struct mark_set));
s->shift = marks->shift + 10;
s->data.sets[0] = marks;
marks = s;
uintmax_t i = idnum >> s->shift;
idnum -= i << s->shift;
if (!s->data.sets[i]) {
- s->data.sets[i] = pool_calloc(1, sizeof(struct mark_set));
+ s->data.sets[i] = mem_pool_calloc(&fi_mem_pool, 1, sizeof(struct mark_set));
s->data.sets[i]->shift = s->shift - 10;
}
s = s->data.sets[i];
if (c->str_len == len && !strncmp(s, c->str_dat, len))
return c;
- c = pool_alloc(sizeof(struct atom_str) + len + 1);
+ c = mem_pool_alloc(&fi_mem_pool, sizeof(struct atom_str) + len + 1);
c->str_len = len;
memcpy(c->str_dat, s, len);
c->str_dat[len] = 0;
if (check_refname_format(name, REFNAME_ALLOW_ONELEVEL))
die("Branch name doesn't conform to GIT standards: %s", name);
- b = pool_calloc(1, sizeof(struct branch));
+ b = mem_pool_calloc(&fi_mem_pool, 1, sizeof(struct branch));
b->name = pool_strdup(name);
b->table_next_branch = branch_table[hc];
b->branch_tree.versions[0].mode = S_IFDIR;
avail_tree_table[hc] = f->next_avail;
} else {
cnt = cnt & 7 ? ((cnt / 8) + 1) * 8 : cnt;
- f = pool_alloc(sizeof(*t) + sizeof(t->entries[0]) * cnt);
+ f = mem_pool_alloc(&fi_mem_pool, sizeof(*t) + sizeof(t->entries[0]) * cnt);
f->entry_capacity = cnt;
}
if (!avail_tree_entry) {
unsigned int n = tree_entry_alloc;
- total_allocd += n * sizeof(struct tree_entry);
+ tree_entry_allocd += n * sizeof(struct tree_entry);
ALLOC_ARRAY(e, n);
avail_tree_entry = e;
while (n-- > 1) {
p->pack_fd = pack_fd;
p->do_not_close = 1;
- pack_file = sha1fd(pack_fd, p->pack_name);
+ pack_file = hashfd(pack_fd, p->pack_name);
hdr.hdr_signature = htonl(PACK_SIGNATURE);
hdr.hdr_version = htonl(2);
hdr.hdr_entries = 0;
- sha1write(pack_file, &hdr, sizeof(hdr));
+ hashwrite(pack_file, &hdr, sizeof(hdr));
pack_data = p;
pack_size = sizeof(hdr);
struct tag *t;
close_pack_windows(pack_data);
- sha1close(pack_file, cur_pack_oid.hash, 0);
+ finalize_hashfile(pack_file, cur_pack_oid.hash, 0);
fixup_pack_header_footer(pack_data->pack_fd, pack_data->sha1,
pack_data->pack_name, object_count,
cur_pack_oid.hash, pack_size);
unsigned char hdr[96];
struct object_id oid;
unsigned long hdrlen, deltalen;
- git_SHA_CTX c;
+ git_hash_ctx c;
git_zstream s;
hdrlen = xsnprintf((char *)hdr, sizeof(hdr), "%s %lu",
- typename(type), (unsigned long)dat->len) + 1;
- git_SHA1_Init(&c);
- git_SHA1_Update(&c, hdr, hdrlen);
- git_SHA1_Update(&c, dat->buf, dat->len);
- git_SHA1_Final(oid.hash, &c);
+ type_name(type), (unsigned long)dat->len) + 1;
+ the_hash_algo->init_fn(&c);
+ the_hash_algo->update_fn(&c, hdr, hdrlen);
+ the_hash_algo->update_fn(&c, dat->buf, dat->len);
+ the_hash_algo->final_fn(oid.hash, &c);
if (oidout)
oidcpy(oidout, &oid);
return 1;
}
- if (last && last->data.buf && last->depth < max_depth && dat->len > 20) {
+ if (last && last->data.buf && last->depth < max_depth
+ && dat->len > the_hash_algo->rawsz) {
+
delta_count_attempts_by_type[type]++;
delta = diff_delta(last->data.buf, last->data.len,
dat->buf, dat->len,
- &deltalen, dat->len - 20);
+ &deltalen, dat->len - the_hash_algo->rawsz);
} else
delta = NULL;
hdrlen = encode_in_pack_object_header(hdr, sizeof(hdr),
OBJ_OFS_DELTA, deltalen);
- sha1write(pack_file, hdr, hdrlen);
+ hashwrite(pack_file, hdr, hdrlen);
pack_size += hdrlen;
hdr[pos] = ofs & 127;
while (ofs >>= 7)
hdr[--pos] = 128 | (--ofs & 127);
- sha1write(pack_file, hdr + pos, sizeof(hdr) - pos);
+ hashwrite(pack_file, hdr + pos, sizeof(hdr) - pos);
pack_size += sizeof(hdr) - pos;
} else {
e->depth = 0;
hdrlen = encode_in_pack_object_header(hdr, sizeof(hdr),
type, dat->len);
- sha1write(pack_file, hdr, hdrlen);
+ hashwrite(pack_file, hdr, hdrlen);
pack_size += hdrlen;
}
- sha1write(pack_file, out, s.total_out);
+ hashwrite(pack_file, out, s.total_out);
pack_size += s.total_out;
e->idx.crc32 = crc32_end(pack_file);
return 0;
}
-static void truncate_pack(struct sha1file_checkpoint *checkpoint)
+static void truncate_pack(struct hashfile_checkpoint *checkpoint)
{
- if (sha1file_truncate(pack_file, checkpoint))
+ if (hashfile_truncate(pack_file, checkpoint))
die_errno("cannot truncate pack to skip duplicate");
pack_size = checkpoint->offset;
}
struct object_id oid;
unsigned long hdrlen;
off_t offset;
- git_SHA_CTX c;
+ git_hash_ctx c;
git_zstream s;
- struct sha1file_checkpoint checkpoint;
+ struct hashfile_checkpoint checkpoint;
int status = Z_OK;
/* Determine if we should auto-checkpoint. */
|| (pack_size + 60 + len) < pack_size)
cycle_packfile();
- sha1file_checkpoint(pack_file, &checkpoint);
+ hashfile_checkpoint(pack_file, &checkpoint);
offset = checkpoint.offset;
hdrlen = xsnprintf((char *)out_buf, out_sz, "blob %" PRIuMAX, len) + 1;
- git_SHA1_Init(&c);
- git_SHA1_Update(&c, out_buf, hdrlen);
+ the_hash_algo->init_fn(&c);
+ the_hash_algo->update_fn(&c, out_buf, hdrlen);
crc32_begin(pack_file);
if (!n && feof(stdin))
die("EOF in data (%" PRIuMAX " bytes remaining)", len);
- git_SHA1_Update(&c, in_buf, n);
+ the_hash_algo->update_fn(&c, in_buf, n);
s.next_in = in_buf;
s.avail_in = n;
len -= n;
if (!s.avail_out || status == Z_STREAM_END) {
size_t n = s.next_out - out_buf;
- sha1write(pack_file, out_buf, n);
+ hashwrite(pack_file, out_buf, n);
pack_size += n;
s.next_out = out_buf;
s.avail_out = out_sz;
}
}
git_deflate_end(&s);
- git_SHA1_Final(oid.hash, &c);
+ the_hash_algo->final_fn(oid.hash, &c);
if (oidout)
oidcpy(oidout, &oid);
{
enum object_type type;
struct packed_git *p = all_packs[oe->pack_id];
- if (p == pack_data && p->pack_size < (pack_size + 20)) {
+ if (p == pack_data && p->pack_size < (pack_size + the_hash_algo->rawsz)) {
/* The object is stored in the packfile we are writing to
* and we have modified it since the last time we scanned
* back to read a previously written object. If an old
- * window covered [p->pack_size, p->pack_size + 20) its
+ * window covered [p->pack_size, p->pack_size + rawsz) its
* data is stale and is not valid. Closing all windows
* and updating the packfile length ensures we can read
* the newly written data.
*/
close_pack_windows(p);
- sha1flush(pack_file);
+ hashflush(pack_file);
- /* We have to offer 20 bytes additional on the end of
+ /* We have to offer rawsz bytes additional on the end of
* the packfile as the core unpacker code assumes the
* footer is present at the file end and must promise
- * at least 20 bytes within any window it maps. But
+ * at least rawsz bytes within any window it maps. But
* we don't actually create the footer here.
*/
- p->pack_size = pack_size + 20;
+ p->pack_size = pack_size + the_hash_algo->rawsz;
}
return unpack_entry(p, oe->idx.offset, &type, sizep);
}
die("Can't load tree %s", oid_to_hex(oid));
} else {
enum object_type type;
- buf = read_sha1_file(oid->hash, &type, &size);
+ buf = read_object_file(oid, &type, &size);
if (!buf || type != OBJ_TREE)
die("Can't load tree %s", oid_to_hex(oid));
}
die("corrupt mark line: %s", line);
e = find_object(&oid);
if (!e) {
- enum object_type type = sha1_object_info(oid.hash, NULL);
+ enum object_type type = oid_object_info(&oid, NULL);
if (type < 0)
die("object not found: %s", oid_to_hex(&oid));
e = insert_object(&oid);
unsigned char fanout, char *path)
{
unsigned int i = 0, j = 0;
- if (fanout >= 20)
+ if (fanout >= the_hash_algo->rawsz)
die("Too large fanout (%u)", fanout);
while (fanout) {
path[i++] = hex_sha1[j++];
path[i++] = '/';
fanout--;
}
- memcpy(path + i, hex_sha1 + j, GIT_SHA1_HEXSZ - j);
- path[i + GIT_SHA1_HEXSZ - j] = '\0';
+ memcpy(path + i, hex_sha1 + j, the_hash_algo->hexsz - j);
+ path[i + the_hash_algo->hexsz - j] = '\0';
}
static uintmax_t do_change_note_fanout(
else if (oe) {
if (oe->type != OBJ_COMMIT)
die("Not a commit (actually a %s): %s",
- typename(oe->type), command_buf.buf);
+ type_name(oe->type), command_buf.buf);
}
/*
* Accept the sha1 without checking; it expected to be in
enum object_type expected = S_ISDIR(mode) ?
OBJ_TREE: OBJ_BLOB;
enum object_type type = oe ? oe->type :
- sha1_object_info(oid.hash, NULL);
+ oid_object_info(&oid, NULL);
if (type < 0)
die("%s not found: %s",
S_ISDIR(mode) ? "Tree" : "Blob",
command_buf.buf);
if (type != expected)
die("Not a %s (actually a %s): %s",
- typename(expected), typename(type),
+ type_name(expected), type_name(type),
command_buf.buf);
}
oidcpy(&commit_oid, &commit_oe->idx.oid);
} else if (!get_oid(p, &commit_oid)) {
unsigned long size;
- char *buf = read_object_with_reference(commit_oid.hash,
- commit_type, &size, commit_oid.hash);
+ char *buf = read_object_with_reference(&commit_oid,
+ commit_type, &size,
+ &commit_oid);
if (!buf || size < 46)
die("Not a valid commit: %s", p);
free(buf);
} else if (oe) {
if (oe->type != OBJ_BLOB)
die("Not a blob (actually a %s): %s",
- typename(oe->type), command_buf.buf);
+ type_name(oe->type), command_buf.buf);
} else if (!is_null_oid(&oid)) {
- enum object_type type = sha1_object_info(oid.hash, NULL);
+ enum object_type type = oid_object_info(&oid, NULL);
if (type < 0)
die("Blob not found: %s", command_buf.buf);
if (type != OBJ_BLOB)
die("Not a blob (actually a %s): %s",
- typename(type), command_buf.buf);
+ type_name(type), command_buf.buf);
}
construct_path_with_fanout(oid_to_hex(&commit_oid), *old_fanout, path);
unsigned long size;
char *buf;
- buf = read_object_with_reference(b->oid.hash,
- commit_type, &size,
- b->oid.hash);
+ buf = read_object_with_reference(&b->oid, commit_type, &size,
+ &b->oid);
parse_from_commit(b, buf, size);
free(buf);
}
oidcpy(&n->oid, &oe->idx.oid);
} else if (!get_oid(from, &n->oid)) {
unsigned long size;
- char *buf = read_object_with_reference(n->oid.hash,
- commit_type, &size, n->oid.hash);
+ char *buf = read_object_with_reference(&n->oid,
+ commit_type,
+ &size, &n->oid);
if (!buf || size < 46)
die("Not a valid commit: %s", from);
free(buf);
enum object_type type;
const char *v;
- t = pool_alloc(sizeof(struct tag));
+ t = mem_pool_alloc(&fi_mem_pool, sizeof(struct tag));
memset(t, 0, sizeof(struct tag));
t->name = pool_strdup(arg);
if (last_tag)
} else if (!get_oid(from, &oid)) {
struct object_entry *oe = find_object(&oid);
if (!oe) {
- type = sha1_object_info(oid.hash, NULL);
+ type = oid_object_info(&oid, NULL);
if (type < 0)
die("Not a valid object: %s", from);
} else
"object %s\n"
"type %s\n"
"tag %s\n",
- oid_to_hex(&oid), typename(type), t->name);
+ oid_to_hex(&oid), type_name(type), t->name);
if (tagger)
strbuf_addf(&new_data,
"tagger %s\n", tagger);
char *buf;
if (!oe || oe->pack_id == MAX_PACK_ID) {
- buf = read_sha1_file(oid->hash, &type, &size);
+ buf = read_object_file(oid, &type, &size);
} else {
type = oe->type;
buf = gfi_unpack_entry(oe, &size);
die("Can't read object %s", oid_to_hex(oid));
if (type != OBJ_BLOB)
die("Object %s is a %s but a blob was expected.",
- oid_to_hex(oid), typename(type));
+ oid_to_hex(oid), type_name(type));
strbuf_reset(&line);
strbuf_addf(&line, "%s %s %lu\n", oid_to_hex(oid),
- typename(type), size);
+ type_name(type), size);
cat_blob_write(line.buf, line.len);
strbuf_release(&line);
cat_blob_write(buf, size);
static void parse_get_mark(const char *p)
{
- struct object_entry *oe = oe;
+ struct object_entry *oe;
char output[GIT_MAX_HEXSZ + 2];
/* get-mark SP <object> LF */
static void parse_cat_blob(const char *p)
{
- struct object_entry *oe = oe;
+ struct object_entry *oe;
struct object_id oid;
/* cat-blob SP <object> LF */
unsigned long size;
char *buf = NULL;
if (!oe) {
- enum object_type type = sha1_object_info(oid->hash, NULL);
+ enum object_type type = oid_object_info(oid, NULL);
if (type < 0)
die("object not found: %s", oid_to_hex(oid));
/* cache it! */
buf = gfi_unpack_entry(oe, &size);
} else {
enum object_type unused;
- buf = read_sha1_file(oid->hash, &unused, &size);
+ buf = read_object_file(oid, &unused, &size);
}
if (!buf)
die("Can't load object %s", oid_to_hex(oid));
atom_table = xcalloc(atom_table_sz, sizeof(struct atom_str*));
branch_table = xcalloc(branch_table_sz, sizeof(struct branch*));
avail_tree_table = xcalloc(avail_tree_table_sz, sizeof(struct avail_tree_content*));
- marks = pool_calloc(1, sizeof(struct mark_set));
+ marks = mem_pool_calloc(&fi_mem_pool, 1, sizeof(struct mark_set));
global_argc = argc;
global_argv = argv;
- rc_free = pool_alloc(cmd_save * sizeof(*rc_free));
+ rc_free = mem_pool_alloc(&fi_mem_pool, cmd_save * sizeof(*rc_free));
for (i = 0; i < (cmd_save - 1); i++)
rc_free[i].next = &rc_free[i + 1];
rc_free[cmd_save - 1].next = NULL;
fprintf(stderr, "Total branches: %10lu (%10lu loads )\n", branch_count, branch_load_count);
fprintf(stderr, " marks: %10" PRIuMAX " (%10" PRIuMAX " unique )\n", (((uintmax_t)1) << marks->shift) * 1024, marks_set_count);
fprintf(stderr, " atoms: %10u\n", atom_cnt);
- fprintf(stderr, "Memory total: %10" PRIuMAX " KiB\n", (total_allocd + alloc_count*sizeof(struct object_entry))/1024);
- fprintf(stderr, " pools: %10lu KiB\n", (unsigned long)(total_allocd/1024));
+ fprintf(stderr, "Memory total: %10" PRIuMAX " KiB\n", (tree_entry_allocd + fi_mem_pool.pool_alloc + alloc_count*sizeof(struct object_entry))/1024);
+ fprintf(stderr, " pools: %10lu KiB\n", (unsigned long)((tree_entry_allocd + fi_mem_pool.pool_alloc) /1024));
fprintf(stderr, " objects: %10" PRIuMAX " KiB\n", (alloc_count*sizeof(struct object_entry))/1024);
fprintf(stderr, "---------------------------------------------------------------------\n");
pack_report();