mariadb/src-bdbwrap/bdbw.c
Bradley C. Kuszmaul 2f8ec84fb8 Rename
git-svn-id: file:///svn/tokudb@4 c7de825b-a66e-492c-adef-691d508d4ae1
2007-07-13 19:37:47 +00:00

750 lines
24 KiB
C

/* Wrapper for bdb.c. */
#include <sys/types.h>
/* This includes the ydb db.h, but with unique names for everything. */
#include "ydb-uniq.h"
/* This include is to the berkeley-db compiled with --with-uniquename */
#include <db.h>
/* This include is to the interface between ydb and bdb. */
#include "bdbw.h"
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <assert.h>
#include <sys/time.h>
#include <time.h>
#define barf() ({ fprintf(stderr, "YDB: BARF %s:%d in %s\n", __FILE__, __LINE__, __func__); })
#define barff(fmt,...) ({ fprintf(stderr, "YDB: BARF %s:%d in %s, ", __FILE__, __LINE__, __func__); fprintf(stderr, fmt, __VA_ARGS__); })
#define note() ({ fprintf(stderr, "YDB: Note %s:%d in %s\n", __FILE__, __LINE__, __func__); })
#define notef(fmt,...) ({ fprintf(stderr, "YDB: Note %s:%d in %s, ", __FILE__, __LINE__, __func__); fprintf(stderr, fmt, __VA_ARGS__); })
static char *tracefname = "/home/bradley/ydbtrace.c";
static FILE *traceout=0;
unsigned long long objnum=1;
void tracef (const char *fmt, ...) __attribute__((format (printf, 1, 2)));
void tracef (const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
if (traceout==0) {
struct timeval tv;
char *ctimes;
gettimeofday(&tv, 0);
ctimes = ctime(&tv.tv_sec);
ctimes[strlen(ctimes)-1]=0;
traceout=fopen(tracefname, "a");
assert(traceout);
fprintf(stderr, "traceout created\n");
fprintf(traceout, "/* bdbw trace captured %s (%ld.%06ld) */\n",
ctimes, tv.tv_sec, tv.tv_usec);
}
vfprintf(traceout, fmt, ap);
fflush(traceout);
va_end(ap);
}
struct db_env_ydb_internal {
unsigned long long objnum;
DB_ENV *env;
void (*noticecall)(DB_ENV_ydb*, db_notices_ydb);
};
struct yobi_db_txn_internal {
long long objnum;
DB_TXN *txn;
};
static void ydb_env_err (const DB_ENV_ydb *env, int error, const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
fprintf(stderr, "YDB Error %d:", error);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
#define doit(flag) ({ if (flag ## _ydb & flags) { gotit|=flag; flags&=~flag ## _ydb; } })
void doits_internal (u_int32_t flag_ydb, u_int32_t flag_bdb, char *flagname, u_int32_t *flags_ydb, u_int32_t *flags_bdb, char **flagstring, int *flagstringlen) {
if (flag_ydb & *flags_ydb) {
int len = strlen(flagname);
*flags_bdb |= flag_bdb;
*flags_ydb &= ~flag_ydb;
assert(len + 2 < *flagstringlen);
snprintf(*flagstring, *flagstringlen, "|%s", flagname);
*flagstring += len+1;
*flagstringlen -= len+1;
}
}
#define doits(flag) doits_internal(flag ## _ydb, flag, #flag, &flags, &gotit, &flagstring, &flagstringlen)
static u_int32_t convert_envopen_flags(u_int32_t flags, char *flagstring, int flagstringlen) {
u_int32_t gotit=0;
snprintf(flagstring, flagstringlen, "0"); flagstringlen--; flagstring++;
doits(DB_INIT_LOCK);
doits(DB_INIT_LOG);
doits(DB_INIT_MPOOL);
doits(DB_INIT_TXN);
doits(DB_CREATE);
doits(DB_THREAD);
doits(DB_RECOVER);
doits(DB_PRIVATE);
assert(flags==0);
return gotit;
}
static u_int32_t open_flags_ydb_2_bdb (u_int32_t flags, char *flagstring, int flagstringlen) {
u_int32_t gotit=0;
snprintf(flagstring, flagstringlen, "0"); flagstringlen--; flagstring++;
doits(DB_CREATE);
doits(DB_RDONLY);
doits(DB_RECOVER);
doits(DB_THREAD);
assert(flags==0);
return gotit;
}
u_int32_t convert_db_create_flags(u_int32_t flags) {
if (flags==0) return 0;
abort();
}
#define retit(flag) ({ if (flag ## _ydb == flags) { strncpy(flagstring, #flag ,flagstringlen); return flag; } })
u_int32_t convert_c_get_flags(u_int32_t flags, char *flagstring, int flagstringlen) {
retit(DB_FIRST);
retit(DB_LAST);
retit(DB_NEXT);
abort();
}
int ydb_env_open (DB_ENV_ydb *env, const char *home, u_int32_t flags, int mode) {
int r;
char flagstring[1000];
u_int32_t bdb_flags = convert_envopen_flags(flags, flagstring, sizeof(flagstring));
//note();
r = env->i->env->open(env->i->env, home, bdb_flags, mode);
tracef("r = envobj(%lld)->open(envobj(%lld), \"%s\", %s, 0%o); assert(r==%d);\n",
env->i->objnum, env->i->objnum, home, flagstring, mode, r);
return r;
}
int bdbw_env_close (DB_ENV_ydb * env, u_int32_t flags) {
int r;
notef("flags=%d\n", flags);
assert(flags==0);
r = env->i->env->close(env->i->env, 0);
env->i->env=0;
// free(env);
return r;
}
u_int32_t convert_log_archive_flags (u_int32_t flags, char *flagstring, int flagstringlen) {
retit(DB_ARCH_ABS);
retit(DB_ARCH_LOG);
abort();
}
int ydb_env_log_archive (DB_ENV_ydb *env, char **list[], u_int32_t flags) {
int r;
char flagstring[1000];
int bdbflags = convert_log_archive_flags(flags, flagstring, sizeof(flagstring));
r = env->i->env->log_archive(env->i->env, list, bdbflags);
assert(r==0);
tracef("{ char **list; r = envobj(%lld)->log_archive(envobj(%lld), &list, %s); assert(r==%d); }\n",
env->i->objnum, env->i->objnum, flagstring, r);
return r;
}
int ydb_env_log_flush (DB_ENV_ydb * env, const DB_LSN_ydb * lsn) {
barf();
return 1;
}
int ydb_env_set_cachesize (DB_ENV_ydb * env, u_int32_t gbytes, u_int32_t bytes, int ncache) {
return env->i->env->set_cachesize(env->i->env, gbytes, bytes, ncache);
}
int ydb_env_set_data_dir (DB_ENV_ydb * env, const char *dir) {
return env->i->env->set_data_dir(env->i->env, dir);
}
void ydb_env_set_errcall (DB_ENV_ydb *env, void (*errcall)(const char *, char *)) {
env->i->env->set_errcall(env->i->env, errcall);
}
void ydb_env_set_errpfx (DB_ENV_ydb * env, const char *errpfx) {
env->i->env->set_errpfx(env->i->env, errpfx);
}
int ydb_env_set_flags (DB_ENV_ydb *env, u_int32_t flags, int onoff) {
assert(flags==0);
return env->i->env->set_flags(env->i->env, flags, onoff);
}
int ydb_env_set_lg_bsize (DB_ENV_ydb * env, u_int32_t bsize) {
return env->i->env->set_lg_bsize(env->i->env, bsize);
}
int ydb_env_set_lg_dir (DB_ENV_ydb *env, const char * dir) {
barf();
return 1;
}
int ydb_env_set_lg_max (DB_ENV_ydb *env, u_int32_t lg_max) {
return env->i->env->set_lg_max(env->i->env, lg_max);
}
int ydb_env_set_lk_detect (DB_ENV_ydb *env, u_int32_t detect) {
return env->i->env->set_lk_detect(env->i->env, detect);
}
int ydb_env_set_lk_max (DB_ENV_ydb *env, u_int32_t lk_max) {
return env->i->env->set_lk_max(env->i->env, lk_max);
}
void ydbenv_bdb_noticecall (DB_ENV *bdb_env, db_notices notices) {
DB_ENV_ydb *ydb_env = bdb_env->app_private;
tracef("/* Doing noticecall */\n");
assert(notices==0 || notices==DB_NOTICE_LOGFILE_CHANGED);
ydb_env->i->noticecall(ydb_env, notices==0 ? 0 : DB_NOTICE_LOGFILE_CHANGED_ydb);
}
extern void berkeley_noticecall (DB_ENV_ydb *, db_notices_ydb);
void ydb_env_set_noticecall (DB_ENV_ydb *env, void (*noticecall)(DB_ENV_ydb *, db_notices_ydb)) {
env->i->env->set_noticecall(env->i->env, ydbenv_bdb_noticecall);
env->i->noticecall = noticecall;
{
const char *fun_name;
if (noticecall==berkeley_noticecall) {
fun_name = "berkeley_noticecall";
} else {
fun_name = "Unknown_function";
}
tracef("envobj(%lld)->set_noticecall(envobj(%lld), %s);\n",
env->i->objnum, env->i->objnum, fun_name);
}
}
int ydb_env_set_tmp_dir (DB_ENV_ydb * env, const char *tmp_dir) {
int r = env->i->env->set_tmp_dir(env->i->env, tmp_dir);
tracef("r = envobj(%lld)->set_tmp_dir(envobj(%lld), \"%s\"); assert(r==%d);\n",
env->i->objnum, env->i->objnum, tmp_dir, r);
return r;
}
int ydb_env_set_verbose (DB_ENV_ydb *env, u_int32_t which, int onoff) {
barf();
return 1;
}
int ydb_env_txn_checkpoint (DB_ENV_ydb *env, u_int32_t kbyte, u_int32_t min, u_int32_t flags) {
int r;
assert(flags==0);
r=env->i->env->txn_checkpoint(env->i->env, kbyte, min, 0);
assert(r==0);
tracef("r=envobj(%lld)->txn_checkpoint(envobj(%lld), %u, %u, %u); assert(r==0);\n",
env->i->objnum, env->i->objnum, kbyte, min, flags);
return r;
}
int ydb_env_txn_stat (DB_ENV_ydb *env, DB_TXN_STAT_ydb **statp, u_int32_t flags) {
barf();
return 1;
}
int db_env_create_bdbw (struct yobi_db_env **envp, u_int32_t flags) {
struct yobi_db_env *result = malloc(sizeof(*result));
int r;
//note();
result->i = malloc(sizeof(*result->i));
result->i->objnum = objnum++;
result->err = ydb_env_err;
result->open = ydb_env_open;
result->close = bdbw_env_close;
result->txn_checkpoint = ydb_env_txn_checkpoint;
result->log_flush = ydb_env_log_flush;
result->set_errcall = ydb_env_set_errcall;
result->set_errpfx = ydb_env_set_errpfx;
result->set_noticecall = ydb_env_set_noticecall;
result->set_flags = ydb_env_set_flags;
result->set_data_dir = ydb_env_set_data_dir;
result->set_tmp_dir = ydb_env_set_tmp_dir;
result->set_verbose = ydb_env_set_verbose;
result->set_lg_bsize = ydb_env_set_lg_bsize;
result->set_lg_dir = ydb_env_set_lg_dir;
result->set_lg_max = ydb_env_set_lg_max;
result->set_cachesize = ydb_env_set_cachesize;
result->set_lk_detect = ydb_env_set_lk_detect;
result->set_lk_max = ydb_env_set_lk_max;
result->log_archive = ydb_env_log_archive;
result->txn_stat = ydb_env_txn_stat;
result->txn_begin = txn_begin_bdbw;
r = db_env_create_4001(&result->i->env, flags);
result->i->env->app_private = result;
*envp = result;
tracef("r=db_env_create(new_envobj(%lld), %u); assert(r==%d);\n",
result->i->objnum, flags, r);
return r;
}
int yobi_db_txn_commit (DB_TXN_ydb *txn, u_int32_t flags) {
int r;
//notef("flags=%d\n", flags);
assert(flags==0);
r = txn->i->txn->commit(txn->i->txn, 0);
txn->i->txn = 0;
assert(flags==0); // need to convert otherwise.
tracef("r=txnobj(%lld)->commit(txnobj(%lld), %d); assert(r==%d);\n",
txn->i->objnum, txn->i->objnum, flags, r);
// free(txn);
return r;
}
u_int32_t yobi_db_txn_id (DB_TXN_ydb *txn) {
barf();
abort();
}
// There is no txn_begin when generated with --with-uniquename.
int txn_begin_bdbw (struct yobi_db_env *env, struct yobi_db_txn *stxn, struct yobi_db_txn **txn, u_int32_t flags) {
int r;
struct yobi_db_txn *result = malloc(sizeof(*result));
result->commit = yobi_db_txn_commit;
result->id = yobi_db_txn_id;
result->i = malloc(sizeof(*result->i));
result->i->objnum = objnum++;
//note();
r = env->i->env->txn_begin(env->i->env,
stxn ? stxn->i->txn : 0,
&result->i->txn, flags);
*txn = result;
tracef("r = envobj(%lld)->txn_begin(envobj(%lld), ", env->i->objnum , env->i->objnum);
if (!stxn) tracef("0, "); else tracef(" txnobj(%lld), ", stxn->i->objnum);
tracef("new_txnobj(%lld), 0x%x); ", result->i->objnum, flags);
tracef(" assert(r==%d);\n", r);
return r;
}
int txn_abort_bdbw (DB_TXN_ydb *txn) {
barf();
abort();
}
int txn_commit_bdbw (DB_TXN_ydb *txn, u_int32_t flags) {
int r;
u_int32_t bdbflags = 0;
char *bdbflagsstring = "0";
assert(flags==0);
r = txn->i->txn->commit(txn->i->txn, bdbflags);
assert(r==0);
tracef("r=txnobj(%lld)->commit(txnobj(%lld), %s); assert(r==%d);\n",
txn->i->objnum, txn->i->objnum, bdbflagsstring, r);
return r;
}
struct ydb_db_internal {
long long objnum;
DB *db;
int (*bt_compare)(DB_ydb *, const DBT_ydb *, const DBT_ydb *);
};
static int bdbw_db_close (DB_ydb *db, u_int32_t flags) {
int r;
//notef("flags=%d\n", flags);
assert(flags==0);
r = db->i->db->close(db->i->db, 0);
tracef("r=dbobj(%lld)->close(dbobj(%lld), 0); assert(r==0);\n",
db->i->objnum, db->i->objnum);
db->i->db = 0;
// free(db);
return r;
}
struct yobi_dbc_internal {
DBC *dbc;
long long objnum;
};
void dbt_bdb2ydb (DBT *da, DBT_ydb *a, const char *varname) {
u_int32_t aflags = a->flags;
memset(da, 0, sizeof(*da));
tracef(" memset(&%s,0,sizeof(a));\n", varname);
da->data = a->data;
if (aflags==DB_DBT_USERMEM_ydb) {
aflags &= ~DB_DBT_USERMEM_ydb;
da->flags |= DB_DBT_USERMEM;
tracef(" %s.flags |= DB_DBT_USERMEM;\n", varname);
if (a->ulen>0) {
tracef(" %s.data = malloc(%d);\n", varname, a->ulen);
} else {
tracef(" %s.data = 0;\n", varname);
}
da->ulen = a->ulen;
tracef(" %s.ulen = %d;\n", varname, a->ulen);
}
assert(aflags==0);
}
int yobi_dbc_c_get (DBC_ydb *dbc, DBT_ydb *a, DBT_ydb *b, u_int32_t flags) {
int r;
DBT da;
DBT db;
const int flagstringlen=100;
char flagstring[flagstringlen];
int bdb_flags = convert_c_get_flags(flags, flagstring, flagstringlen);
tracef("{ DBT a,b; \n");
dbt_bdb2ydb(&da, a, "a");
dbt_bdb2ydb(&db, b, "b");
assert(flags==DB_LAST_ydb || flags==DB_FIRST_ydb || flags==DB_NEXT_ydb);
r = dbc->i->dbc->c_get(dbc->i->dbc, &da, &db, bdb_flags);
tracef(" r = dbcobj(%lld)->c_get(dbcobj(%lld), ",
dbc->i->objnum, dbc->i->objnum);
tracef(" &a, &b, ");
tracef(" %s);\n", flagstring);
if (r==0) {
tracef(" assert(r==%d);\n", r);
tracef(" assert(a.size==%d);\n", da.size);
//tracef(" assert(memcmp(a.address, ");
tracef(" assert(b.size==%d);\n", db.size);
a->size = da.size;
a->data = da.data;
b->size = db.size;
b->data = db.data;
assert(r==0);
} else if (r==DB_PAGE_NOTFOUND) {
tracef(" assert(r==DB_PAGE_NOTFOUND);\n");
} else if (r==DB_NOTFOUND) {
tracef(" assert(r==DB_NOTFOUND);\n");
} else {
printf("DB Error r=%d: %s\n", r, db_strerror(r));
abort();
}
tracef("}\n");
return r;
}
int yobi_dbc_c_close (DBC_ydb *dbc) {
int r;
r = dbc->i->dbc->c_close(dbc->i->dbc);
assert(r==0);
tracef("r=dbcobj(%lld)->c_close(dbcobj(%lld)); assert(r==%d);\n",
dbc->i->objnum, dbc->i->objnum, r);
dbc->i->dbc = 0;
// free(dbc->i); free(dbc);
return r;
}
int yobi_dbc_c_del (DBC_ydb *dbc, u_int32_t flags) {
barf();
abort();
}
static int bdbw_db_cursor (DB_ydb *db, DB_TXN_ydb *txn, DBC_ydb **c, u_int32_t flags) {
struct yobi_dbc *dbc = malloc(sizeof(*dbc));
int r;
dbc->c_get = yobi_dbc_c_get;
dbc->c_close = yobi_dbc_c_close;
dbc->c_del = yobi_dbc_c_del;
dbc->i = malloc(sizeof(*dbc->i));
assert(dbc->i);
assert(flags==0);
dbc->i->objnum = objnum++;
r=db->i->db->cursor(db->i->db, txn ? txn->i->txn : 0, &dbc->i->dbc, flags);
assert(r==0);
//note();
*c = dbc;
tracef("r=dbobj(%lld)->cursor(dbobj(%lld), txnobj(%lld), new_dbcobj(%lld), %d); assert(r==%d);\n",
db->i->objnum, db->i->objnum, txn ? txn->i->objnum : -1, dbc->i->objnum, flags, r);
return r;
}
static int bdbw_db_del (DB_ydb *db, DB_TXN_ydb *txn, DBT_ydb *dbt, u_int32_t flags) {
barf();
abort();
}
static int bdbw_db_get (DB_ydb *db, DB_TXN_ydb *txn, DBT_ydb *dbta, DBT_ydb *dbtb, u_int32_t flags) {
barf();
abort();
}
static int bdbw_db_key_range (DB_ydb *db, DB_TXN_ydb *txn, DBT_ydb *dbt, DB_KEY_RANGE_ydb *kr, u_int32_t flags) {
barf();
abort();
}
static int bdbw_db_open (DB_ydb *db, DB_TXN_ydb *txn, const char *fname, const char *dbname, DBTYPE_ydb dbtype, u_int32_t flags, int mode) {
int r;
char flagstring[1000];
u_int32_t bdb_flags = open_flags_ydb_2_bdb(flags, flagstring, sizeof(flagstring));
//notef("txn=%p fname=%s dbname=%s dbtype=%d flags=0x%x (bdb=0x%x) %mode=0%o\n", txn, fname, dbname, dbtype, flags, bdb_flags, mode);
assert(dbtype == DB_BTREE_ydb);
r = db->i->db->open(db->i->db,
txn ? txn->i->txn : 0,
fname, dbname, DB_BTREE, bdb_flags, mode);
assert(db->i->db->app_private == db);
tracef("r=dbobj(%lld)->open(dbobj(%lld), txnobj(%lld), \"%s\", \"%s\",",
db->i->objnum, db->i->objnum, txn ? txn->i->objnum : -1, fname, dbname);
if (dbtype==DB_BTREE_ydb) tracef(" DB_BTREE,");
else abort();
tracef(" %s, 0%o);", flagstring, mode);
assert(r==0);
tracef(" assert(r==%d);\n", r);
return r;
}
static int bdbw_bt_compare (DB *db, const DBT *a, const DBT *b) {
DB_ydb *ydb = db->app_private;
DBT_ydb a_y, b_y;
note();
assert(ydb);
a_y.data = a->data;
a_y.size = a->size;
b_y.data = b->data;
b_y.size = b->size;
return ydb->i->bt_compare(ydb, &a_y, &b_y);
}
u_int32_t convert_put_flags(u_int32_t flags, char *flagstring, int flagstringlen) {
if (flags==0) {
snprintf(flagstring, flagstringlen, "0");
return 0;
}
retit(DB_NOOVERWRITE);
abort();
}
int bdbw_db_put (DB_ydb *db, DB_TXN_ydb *txn, DBT_ydb *dbta, DBT_ydb *dbtb, u_int32_t flags) {
int r;
unsigned int i;
DBT a,b;
char flagstring[1000];
u_int32_t bdbflags = convert_put_flags(flags, flagstring, sizeof(flagstring));
assert(dbta->flags==0); assert(dbtb->flags==0);
assert(dbta->ulen==0); assert(dbtb->ulen==0);
tracef("{ DBT a,b;\n");
tracef(" unsigned char adata[%d] = {", dbta->size);
for (i=0; i<dbta->size; i++) {
if (i>0) tracef(", ");
tracef("%u", ((unsigned char*)(dbta->data))[i]);
}
tracef("};\n unsigned char bdata[%d] = {", dbtb->size);
for (i=0; i<dbtb->size; i++) {
if (i>0) tracef(", ");
tracef("%u", ((unsigned char*)(dbtb->data))[i]);
}
tracef("};\n memset(&a,0,sizeof(a)); memset(&b,0,sizeof(b));\n");
tracef(" a.data = adata; b.data=bdata;\n");
tracef(" a.flags= 0; b.flags=0;\n");
tracef(" a.ulen=0; b.ulen=0;\n");
tracef(" a.size=%d; b.size=%d;\n", dbta->size, dbtb->size);
memset(&a, 0, sizeof(a));
memset(&b, 0, sizeof(b));
a.data = dbta->data; b.data = dbtb->data;
a.flags = 0; b.flags = 0;
a.ulen = 0; b.ulen = 0;
a.size = dbta->size; b.size = dbtb->size;
r=db->i->db->put(db->i->db, txn ? txn->i->txn : 0, &a, &b, flags);
assert(r==0);
tracef(" r=dbobj(%lld)->put(dbobj(%lld), txnobj(%lld), &a, &b, %s); assert(r==%d);\n}\n",
db->i->objnum, db->i->objnum, txn ? txn->i->objnum : -1, flagstring, r);
return r;
}
int bdbw_db_remove (DB_ydb *db, const char *fname, const char *dbname, u_int32_t flags) {
barf();
abort();
}
int bdbw_db_rename (DB_ydb *db, const char *namea, const char *nameb, const char *namec, u_int32_t flags) {
barf();
abort();
}
extern int berkeley_cmp_hidden_key(DB_ydb *, const DBT_ydb *, const DBT_ydb *);
static int bdbw_db_set_bt_compare (DB_ydb *db, int (*bt_compare)(DB_ydb *, const DBT_ydb *, const DBT_ydb *)) {
int r;
r = db->i->db->set_bt_compare(db->i->db, bdbw_bt_compare);
db->i->bt_compare = bt_compare;
{
const char *fun_name;
if (bt_compare==berkeley_cmp_hidden_key) {
fun_name = "berkeley_cmp_hidden_key";
} else {
fun_name = "Unknown_function";
}
tracef("r = dbobj(%lld)->set_bt_compare(dbobj(%lld), %s); assert(r==%d);\n",
db->i->objnum, db->i->objnum, fun_name, r);
}
return r;
}
int bdbw_db_set_flags (DB_ydb *db, u_int32_t flags) {
int r;
assert(flags==0);
r = db->i->db->set_flags(db->i->db, 0);
assert(r==0);
tracef("r=dbobj(%lld)->set_flags(dbobj(%lld), 0); assert(r==0);\n",
db->i->objnum, db->i->objnum);
return r;
}
int bdbw_db_stat (DB_ydb *db, void *v, u_int32_t flags) {
barf();
abort();
}
int db_create_bdbw (DB_ydb **db, DB_ENV_ydb *env, u_int32_t flags) {
DB_ydb *result=malloc(sizeof(*result));
int r;
result->app_private = 0;
result->close = bdbw_db_close;
result->cursor = bdbw_db_cursor;
result->del = bdbw_db_del;
result->get = bdbw_db_get;
result->key_range = bdbw_db_key_range;
result->open = bdbw_db_open;
result->put = bdbw_db_put;
result->remove = bdbw_db_remove;
result->rename = bdbw_db_rename;
result->set_bt_compare = bdbw_db_set_bt_compare;
result->set_flags = bdbw_db_set_flags;
result->stat = bdbw_db_stat;
result->i = malloc(sizeof(*result->i));
r=db_create(&result->i->db, env->i->env, convert_db_create_flags(flags));
result->i->objnum = objnum++;
result->i->db->app_private = result;
result->i->bt_compare = 0;
*db = result;
tracef("r=db_create(new_dbobj(%lld), envobj(%lld), %d); assert(r==%d);\n",
result->i->objnum, env->i->objnum, flags, r);
return r;
}
#if 0
void bdbw_db_env_err (const DB_ENV_ydb *env, int error, const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
fprintf(stderr, "YDB Error %d:", error);
vfprintf(stderr, fmt, ap);
va_end(ap);
}
#define barf() ({ fprintf(stderr, "YDB: BARF %s:%d in %s\n", __FILE__, __LINE__, __func__); })
#define barff(fmt,...) ({ fprintf(stderr, "YDB: BARF %s:%d in %s, ", __FILE__, __LINE__, __func__); fprintf(stderr, fmt, __VA_ARGS__); })
#define note() ({ fprintf(stderr, "YDB: Note %s:%d in %s\n", __FILE__, __LINE__, __func__); })
#define notef(fmt,...) ({ fprintf(stderr, "YDB: Note %s:%d in %s, ", __FILE__, __LINE__, __func__); fprintf(stderr, fmt, __VA_ARGS__); })
void print_flags (u_int32_t flags) {
u_int32_t gotit=0;
int doneone=0;
#define doit(flag) if (flag & flags) { if (doneone) printf(" | "); printf("%s", #flag); doneone=1; gotit|=flag; }
printf(" flags=");
doit(DB_INIT_LOCK_ydb);
doit(DB_INIT_LOG_ydb);
doit(DB_INIT_MPOOL_ydb);
doit(DB_INIT_TXN_ydb);
doit(DB_CREATE_ydb);
doit(DB_THREAD_ydb);
doit(DB_RECOVER_ydb);
doit(DB_PRIVATE_ydb);
if (gotit!=flags) printf(" flags 0x%x not accounted for", flags&~gotit);
printf("\n");
}
int yobi_db_env_open (DB_ENV_ydb *env, const char *home, u_int32_t flags, int mode) {
notef("(%p, \"%s\", 0x%x, 0%o)\n", env, home, flags, mode);
env->dir = strdup(home);
env->open_flags = flags;
env->open_mode = mode;
print_flags(flags);
assert(DB_PRIVATE & flags); // This means that we don't have to do anything with shared memory. And that's good enough for mysql.
return 0;
}
int yobi_db_env_close (DB_ENV_ydb * env, u_int32_t flags) {
barf();
return 1;
}
int yobi_db_env_log_archive (DB_ENV_ydb *env, char **list[], u_int32_t flags) {
barf();
return 1;
}
int yobi_db_env_log_flush (DB_ENV_ydb * env, const DB_LSN_ydb * lsn) {
barf();
return 1;
}
int yobi_db_env_set_cachesize (DB_ENV_ydb * env, u_int32_t gbytes, u_int32_t bytes, int ncache) {
barf();
return 1;
}
int yobi_db_env_set_data_dir (DB_ENV_ydb * env, const char *dir) {
barf();
return 1;
}
void yobi_db_env_set_errcall (DB_ENV_ydb *env, void (*errcall)(const char *, char *)) {
note();
env->errcall=errcall;
}
void yobi_db_env_set_errpfx (DB_ENV_ydb * env, const char *errpfx) {
notef("(%p, %s)\n", env, errpfx);
env->errpfx = errpfx;
}
int yobi_db_env_set_flags (DB_ENV_ydb *env, u_int32_t flags, int onoff) {
barf();
return 1;
}
int yobi_db_env_set_lg_bsize (DB_ENV_ydb * env, u_int32_t bsize) {
barf();
return 1;
}
int yobi_db_env_set_lg_dir (DB_ENV_ydb * env, const char * dir) {
barf();
return 1;
}
int yobi_db_env_set_lg_max (DB_ENV_ydb *env, u_int32_t lg_max) {
barf();
return 1;
}
int yobi_db_env_set_lk_detect (DB_ENV_ydb *env, u_int32_t detect) {
barf();
return 1;
}
int yobi_db_env_set_lk_max (DB_ENV_ydb *env, u_int32_t lk_max) {
barf();
return 1;
}
void yobi_db_env_set_noticecall (DB_ENV_ydb *env, void (*noticeall)(DB_ENV_ydb *, db_notices_ydb)) {
barf();
}
int yobi_db_env_set_tmp_dir (DB_ENV_ydb * env, const char *tmp_dir) {
barf();
return 1;
}
int yobi_db_env_set_verbose (DB_ENV_ydb *env, u_int32_t which, int onoff) {
barf();
return 1;
}
int yobi_db_env_txn_checkpoint (DB_ENV_ydb *env, u_int32_t kbyte, u_int32_t min, u_int32_t flags) {
barf();
return 1;
}
int yobi_db_env_txn_stat (DB_ENV_ydb *env, DB_TXN_STAT_ydb **statp, u_int32_t flags) {
barf();
return 1;
}
void yobi_default_errcall(const char *errpfx, char *msg) {
fprintf(stderr, "YDB: %s: %s", errpfx, msg);
}
int yobi_db_txn_commit (DB_TXN_ydb *txn, u_int32_t flags) {
notef("flags=%d\n", flags);
return 0;
}
u_int32_t yobi_db_txn_id (DB_TXN_ydb *txn) {
barf();
abort();
}
int log_compare_ydb (const DB_LSN_ydb *a, const DB_LSN_ydb *b) {
fprintf(stderr, "%s:%d log_compare(%p,%p)\n", __FILE__, __LINE__, a, b);
abort();
}
#endif