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mariadb/buildheader/make_db_h.c
Zardosht Kasheff cc91ea8ca4 [t:2811], merge to main \!\!\! 
git-svn-id: file:///svn/toku/tokudb@23495 c7de825b-a66e-492c-adef-691d508d4ae1
2013-04-16 23:59:22 -04:00

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/* -*- mode: C; c-basic-offset: 4 -*- */
#ident "Copyright (c) 2007, 2008 Tokutek Inc. All rights reserved."
/* LICENSE: This file is licensed under the GPL or from Tokutek. */
/* Make a db.h that will be link-time compatible with Sleepycat's Berkeley DB. */
#include <db.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <stdint.h>
#define VISIBLE "__attribute__((__visibility__(\"default\")))"
static void print_dbtype(void) {
/* DBTYPE is mentioned by db_open.html */
printf("typedef enum {\n");
printf(" DB_BTREE=%d,\n", DB_BTREE);
printf(" DB_UNKNOWN=%d\n", DB_UNKNOWN);
printf("} DBTYPE;\n");
}
#if 0
void print_db_notices (void) {
printf("typedef enum { /* This appears to be a mysql-specific addition to the api. */ \n");
printf(" DB_NOTICE_LOGFILE_CHANGED=%d\n", DB_NOTICE_LOGFILE_CHANGED);
printf("} db_notices;\n");
}
#endif
#define dodefine(name) printf("#define %s %d\n", #name, name)
#define dodefine_track(flags, name) do {assert((flags & name) != name); \
flags |= (name); \
printf("#define %s %d\n", #name, name);} while (0)
#define dodefine_from_track(flags, name) do { \
uint32_t which; \
uint32_t bit; \
for (which = 0; which < 32; which++) { \
bit = 1U << which; \
if (!(flags & bit)) break; \
} \
assert(which < 32); \
printf("#define %s %d\n", #name, bit); \
flags |= bit; \
} while (0)
#define dodefine_track_enum(flags, name) do {assert(name>=0 && name<256); \
assert(!(flags[name])); \
flags[name] = 1; \
printf("#define %s %d\n", #name, name);} while (0)
#define dodefine_from_track_enum(flags, name) do { \
uint32_t which; \
/* don't use 0 */ \
for (which = 1; which < 256; which++) { \
if (!(flags[which])) break; \
} \
assert(which < 256); \
flags[which] = 1; \
printf("#define %s %d\n", #name, which); \
} while (0)
enum {
TOKUDB_OUT_OF_LOCKS = -100000,
TOKUDB_SUCCEEDED_EARLY = -100001,
TOKUDB_FOUND_BUT_REJECTED = -100002,
TOKUDB_USER_CALLBACK_ERROR = -100003,
TOKUDB_DICTIONARY_TOO_OLD = -100004,
TOKUDB_DICTIONARY_TOO_NEW = -100005,
TOKUDB_DICTIONARY_NO_HEADER = -100006,
TOKUDB_CANCELED = -100007,
TOKUDB_NO_DATA = -100008,
TOKUDB_ACCEPT = -100009,
TOKUDB_MVCC_DICTIONARY_TOO_NEW = -100010,
};
static void print_defines (void) {
printf("#ifndef _TOKUDB_WRAP_H\n");
dodefine(DB_VERB_DEADLOCK);
dodefine(DB_VERB_RECOVERY);
dodefine(DB_VERB_REPLICATION);
dodefine(DB_VERB_WAITSFOR);
dodefine(DB_ARCH_ABS);
dodefine(DB_ARCH_LOG);
dodefine(DB_CREATE);
dodefine(DB_CXX_NO_EXCEPTIONS);
dodefine(DB_EXCL);
dodefine(DB_PRIVATE);
dodefine(DB_RDONLY);
dodefine(DB_RECOVER);
dodefine(DB_RUNRECOVERY);
dodefine(DB_THREAD);
dodefine(DB_TXN_NOSYNC);
dodefine(DB_LOCK_DEFAULT);
dodefine(DB_LOCK_OLDEST);
dodefine(DB_LOCK_RANDOM);
//dodefine(DB_DUP); No longer supported #2862
//dodefine(DB_DUPSORT); No longer supported #2862
dodefine(DB_KEYFIRST);
dodefine(DB_KEYLAST);
{
static uint8_t insert_flags[256];
dodefine_track_enum(insert_flags, DB_NOOVERWRITE);
dodefine_track_enum(insert_flags, DB_NODUPDATA);
dodefine_from_track_enum(insert_flags, DB_YESOVERWRITE);
dodefine_from_track_enum(insert_flags, DB_NOOVERWRITE_NO_ERROR);
}
dodefine(DB_OPFLAGS_MASK);
dodefine(DB_AUTO_COMMIT);
dodefine(DB_INIT_LOCK);
dodefine(DB_INIT_LOG);
dodefine(DB_INIT_MPOOL);
printf("#define DB_CLOSE_DONT_TRIM_LOG 1048576\n"); // tokudb
dodefine(DB_INIT_TXN);
//dodefine(DB_KEYEMPTY); /// KEYEMPTY is no longer used. We just use DB_NOTFOUND
dodefine(DB_KEYEXIST);
dodefine(DB_LOCK_DEADLOCK);
dodefine(DB_LOCK_NOTGRANTED);
dodefine(DB_NOTFOUND);
dodefine(DB_SECONDARY_BAD);
dodefine(DB_DONOTINDEX);
#ifdef DB_BUFFER_SMALL
dodefine(DB_BUFFER_SMALL);
#endif
printf("#define DB_BADFORMAT -30500\n"); // private tokudb
printf("#define DB_DELETE_ANY %d\n", 1<<16); // private tokudb
printf("#define DB_TRUNCATE_WITHCURSORS %d\n", 1<<17); // private tokudb
dodefine(DB_FIRST);
//dodefine(DB_GET_BOTH); No longer supported #2862.
//dodefine(DB_GET_BOTH_RANGE); No longer supported because we only support NODUP. #2862.
dodefine(DB_LAST);
dodefine(DB_CURRENT);
dodefine(DB_NEXT);
//dodefine(DB_NEXT_DUP); No longer supported #2862
dodefine(DB_NEXT_NODUP);
dodefine(DB_PREV);
#if defined(DB_PREV_DUP)
//dodefine(DB_PREV_DUP);
#endif
dodefine(DB_PREV_NODUP);
dodefine(DB_SET);
dodefine(DB_SET_RANGE);
printf("#define DB_CURRENT_BINDING 253\n"); // private tokudb
printf("#define DB_SET_RANGE_REVERSE 252\n"); // private tokudb
//printf("#define DB_GET_BOTH_RANGE_REVERSE 251\n"); // private tokudb. No longer supported #2862.
dodefine(DB_RMW);
printf("#define DB_PRELOCKED 0x00800000\n"); // private tokudb
printf("#define DB_PRELOCKED_WRITE 0x00400000\n"); // private tokudb
{
//dbt flags
uint32_t dbt_flags = 0;
dodefine_track(dbt_flags, DB_DBT_APPMALLOC);
dodefine_track(dbt_flags, DB_DBT_DUPOK);
dodefine_track(dbt_flags, DB_DBT_MALLOC);
#ifdef DB_DBT_MULTIPLE
dodefine_track(dbt_flags, DB_DBT_MULTIPLE);
#endif
dodefine_track(dbt_flags, DB_DBT_REALLOC);
dodefine_track(dbt_flags, DB_DBT_USERMEM);
}
// flags for the env->set_flags function
#if DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 3
dodefine(DB_LOG_AUTOREMOVE);
#endif
{
//Txn begin/commit flags
uint32_t txn_flags = 0;
dodefine_track(txn_flags, DB_TXN_WRITE_NOSYNC);
dodefine_track(txn_flags, DB_TXN_NOWAIT);
dodefine_track(txn_flags, DB_TXN_SYNC);
#ifdef DB_TXN_SNAPSHOT
dodefine_track(txn_flags, DB_TXN_SNAPSHOT);
#endif
#ifdef DB_READ_UNCOMMITTED
dodefine_track(txn_flags, DB_READ_UNCOMMITTED);
#endif
#ifdef DB_READ_COMMITTED
dodefine_track(txn_flags, DB_READ_COMMITTED);
#endif
//Add them if they didn't exist
#ifndef DB_TXN_SNAPSHOT
dodefine_from_track(txn_flags, DB_TXN_SNAPSHOT);
#endif
#ifndef DB_READ_UNCOMMITTED
dodefine_from_track(txn_flags, DB_READ_UNCOMMITTED);
#endif
#ifndef DB_READ_COMMITTED
dodefine_from_track(txn_flags, DB_READ_COMMITTED);
#endif
dodefine_from_track(txn_flags, DB_INHERIT_ISOLATION);
dodefine_from_track(txn_flags, DB_SERIALIZABLE);
}
printf("#endif\n");
/* TOKUDB specific error codes*/
printf("/* TOKUDB specific error codes */\n");
dodefine(TOKUDB_OUT_OF_LOCKS);
dodefine(TOKUDB_SUCCEEDED_EARLY);
dodefine(TOKUDB_FOUND_BUT_REJECTED);
dodefine(TOKUDB_USER_CALLBACK_ERROR);
dodefine(TOKUDB_DICTIONARY_TOO_OLD);
dodefine(TOKUDB_DICTIONARY_TOO_NEW);
dodefine(TOKUDB_DICTIONARY_NO_HEADER);
dodefine(TOKUDB_CANCELED);
dodefine(TOKUDB_NO_DATA);
dodefine(TOKUDB_ACCEPT);
dodefine(TOKUDB_MVCC_DICTIONARY_TOO_NEW);
/* LOADER flags */
printf("/* LOADER flags */\n");
printf("#define LOADER_USE_PUTS 1\n"); // minimize space usage
}
//#define DECL_LIMIT 100
struct fieldinfo {
char *decl;
unsigned int off;
unsigned int size;
};
#if USE_MAJOR==4 && USE_MINOR==1
#include "sample_offsets_32_4_1.h"
#include "sample_offsets_64_4_1.h"
#elif USE_MAJOR==4 && USE_MINOR==3
#include "sample_offsets_32_4_3.h"
#include "sample_offsets_64_4_3.h"
#elif USE_MAJOR==4 && USE_MINOR==4
#include "sample_offsets_32_4_4.h"
#include "sample_offsets_64_4_4.h"
#elif USE_MAJOR==4 && USE_MINOR==5
#include "sample_offsets_32_4_5.h"
#include "sample_offsets_64_4_5.h"
#elif USE_MAJOR==4 && USE_MINOR==6
#include "sample_offsets_32_4_6.h"
#include "sample_offsets_64_4_6.h"
#else
#error
#endif
enum need_internal_type { NO_INTERNAL=0, INTERNAL_NAMED=1, INTERNAL_AT_END=2};
static void print_struct (const char *structname, enum need_internal_type need_internal, struct fieldinfo *fields32, struct fieldinfo *fields64, unsigned int N, const char *extra_decls[]) {
unsigned int i;
unsigned int current_32 = 0;
unsigned int current_64 = 0;
int dummy_counter=0;
int did_toku_internal=0;
// int total32 = fields32[N-1].size;
// int total64 = fields32[N-1].size;
assert(need_internal==NO_INTERNAL || need_internal==INTERNAL_NAMED || need_internal==INTERNAL_AT_END);
printf("struct __toku_%s {\n", structname);
for (i=0; i<N-1; i++) {
unsigned int this_32 = fields32[i].off;
unsigned int this_64 = fields64[i].off;
//fprintf(stderr, "this32=%d current32=%d this64=%d current64=%d\n", this_32, current_32, this_64, current_64);
if (this_32 > current_32 || this_64 > current_64) {
unsigned int diff32 = this_32-current_32;
unsigned int diff64 = this_64-current_64;
assert(this_32 > current_32 && this_64 > current_64);
if (diff32!=diff64) {
unsigned int diff = diff64-diff32;
unsigned int n_dummys = diff/4;
if (need_internal==INTERNAL_NAMED && !did_toku_internal) {
if (TDB_NATIVE &&
(strcmp(structname, "dbc")==0 ||
strcmp(structname, "db_txn")==0)) {
printf(" struct __toku_%s_internal ii;\n", structname);
printf("#define %s_struct_i(x) (&(x)->ii)\n", structname);
} else {
printf(" struct __toku_%s_internal *i;\n", structname);
printf("#define %s_struct_i(x) ((x)->i)\n", structname);
}
n_dummys--;
did_toku_internal=1;
}
while (n_dummys>0 && extra_decls && *extra_decls) {
printf(" %s;\n", *extra_decls);
extra_decls++;
n_dummys--;
}
if (n_dummys>0) {
if (!TDB_NATIVE)
printf(" void* __toku_dummy%d[%d];\n", dummy_counter, n_dummys);
dummy_counter++;
}
diff64-=diff*2;
diff32-=diff;
}
assert(diff32==diff64);
if (diff32>0) {
if (!TDB_NATIVE)
printf(" char __toku_dummy%d[%d];\n", dummy_counter, diff32);
dummy_counter++;
}
current_32 = this_32;
current_64 = this_64;
}
if (this_32<current_32 || this_64<current_64) {
printf("Whoops this_32=%d this_64=%d\n", this_32, this_64);
}
if (i+1<N) {
assert(strcmp(fields32[i].decl, fields64[i].decl)==0);
printf(" %s;", fields32[i].decl);
if (!TDB_NATIVE)
printf(" /* 32-bit offset=%d size=%d, 64=bit offset=%d size=%d */", fields32[i].off, fields32[i].size, fields64[i].off, fields64[i].size);
printf("\n");
} else {
assert(fields32[i].decl==0);
assert(fields64[i].decl==0);
}
current_32 += fields32[i].size;
current_64 += fields64[i].size;
}
if (extra_decls) assert(NULL==*extra_decls); // make sure that the extra decls all got used up.
{
unsigned int this_32 = fields32[N-1].off;
unsigned int this_64 = fields64[N-1].off;
unsigned int diff32 = this_32-current_32;
unsigned int diff64 = this_64-current_64;
if (diff32>0 && diff32<diff64) {
unsigned int diff = diff64-diff32;
if (!TDB_NATIVE)
printf(" void* __toku_dummy%d[%d]; /* Padding at the end */ \n", dummy_counter, diff/4);
dummy_counter++;
diff64-=diff*2;
diff32-=diff;
}
if (diff32>0) {
if (!TDB_NATIVE)
printf(" char __toku_dummy%d[%d]; /* Padding at the end */ \n", dummy_counter, diff32);
dummy_counter++;
diff64-=diff32;
diff32=0;
}
if (diff64>0)
if (!TDB_NATIVE)
printf(" /* %d more bytes of alignment in the 64-bit case. */\n", diff64);
assert(diff64<8); /* there could be a few left from alignment. */
}
if (need_internal==INTERNAL_AT_END) {
printf(" char iic[0] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));\n");
printf("#define %s_struct_i(x) ((struct __toku_%s_internal *)(&(x)->iic))\n", structname, structname);
did_toku_internal = 1;
}
printf("};\n");
assert(did_toku_internal || !need_internal);
}
int main (int argc __attribute__((__unused__)), char *const argv[] __attribute__((__unused__))) {
printf("#ifndef _DB_H\n");
printf("#define _DB_H\n");
printf("/* This code generated by make_db_h. Copyright (c) 2007, 2008 Tokutek */\n");
printf("#ident \"Copyright (c) 2007, 2008 Tokutek Inc. All rights reserved.\"\n");
printf("#include <sys/types.h>\n");
printf("/*stdio is needed for the FILE* in db->verify*/\n");
printf("#include <stdio.h>\n");
printf("#include <stdint.h>\n");
//printf("#include <inttypes.h>\n");
printf("#if defined(__cplusplus)\nextern \"C\" {\n#endif\n");
assert(DB_VERSION_MAJOR==DB_VERSION_MAJOR_32);
assert(DB_VERSION_MINOR==DB_VERSION_MINOR_32);
printf("#define TOKUDB 1\n");
printf("#define TOKUDB_NATIVE_H %d\n", TDB_NATIVE);
dodefine(DB_VERSION_MAJOR);
dodefine(DB_VERSION_MINOR);
dodefine(DB_VERSION_PATCH);
printf("#ifndef _TOKUDB_WRAP_H\n");
printf("#define DB_VERSION_STRING \"Tokutek: TokuDB %d.%d.%d\"\n", DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH);
printf("#else\n");
printf("#define DB_VERSION_STRING_ydb \"Tokutek: TokuDB (wrapped bdb)\"\n");
printf("#endif\n");
if (0) {
printf("#ifndef __BIT_TYPES_DEFINED__\n");
printf("/* Define some int types if not provided by the system. BIND does this, so we do it too. */\n");
printf("typedef unsigned int u_int32_t;\n");
printf("#endif\n");
}
//Typedef toku_off_t
printf("#ifndef TOKU_OFF_T_DEFINED\n"
"#define TOKU_OFF_T_DEFINED\n"
"typedef int64_t toku_off_t;\n"
"#endif\n");
//printf("typedef struct __toku_db_btree_stat DB_BTREE_STAT;\n");
printf("typedef struct __toku_db_env DB_ENV;\n");
printf("typedef struct __toku_db_key_range DB_KEY_RANGE;\n");
printf("typedef struct __toku_db_lsn DB_LSN;\n");
printf("typedef struct __toku_db DB;\n");
printf("typedef struct __toku_db_txn DB_TXN;\n");
printf("typedef struct __toku_db_txn_active DB_TXN_ACTIVE;\n");
printf("typedef struct __toku_db_txn_stat DB_TXN_STAT;\n");
printf("typedef struct __toku_dbc DBC;\n");
printf("typedef struct __toku_dbt DBT;\n");
printf("typedef u_int32_t db_recno_t;\n");
printf("typedef int(*YDB_CALLBACK_FUNCTION)(DBT const*, DBT const*, void*);\n");
printf("#include <tdb-internal.h>\n");
printf("#ifndef __BIGGEST_ALIGNMENT__\n #define __BIGGEST_ALIGNMENT__ 16\n#endif\n");
//stat64
printf("typedef struct __toku_db_btree_stat64 {\n");
printf(" u_int64_t bt_nkeys; /* how many unique keys (guaranteed only to be an estimate, even when flattened) */\n");
printf(" u_int64_t bt_ndata; /* how many key-value pairs (an estimate, but exact when flattened) */\n");
printf(" u_int64_t bt_dsize; /* how big are the keys+values (not counting the lengths) (an estimate, unless flattened) */\n");
printf(" u_int64_t bt_fsize; /* how big is the underlying file */\n");
printf("} DB_BTREE_STAT64;\n");
//bulk loader
printf("typedef struct __toku_loader DB_LOADER;\n");
printf("struct __toku_loader_internal;\n");
printf("struct __toku_loader {\n");
printf(" struct __toku_loader_internal *i;\n");
printf(" int (*set_error_callback)(DB_LOADER *loader, void (*error_cb)(DB *db, int i, int err, DBT *key, DBT *val, void *error_extra), void *error_extra); /* set the error callback */\n");
printf(" int (*set_poll_function)(DB_LOADER *loader, int (*poll_func)(void *extra, float progress), void *poll_extra); /* set the polling function */\n");
printf(" int (*put)(DB_LOADER *loader, DBT *key, DBT* val); /* give a row to the loader */\n");
printf(" int (*close)(DB_LOADER *loader); /* finish loading, free memory */\n");
printf(" int (*abort)(DB_LOADER *loader); /* abort loading, free memory */\n");
printf("};\n");
//engine status info
printf("typedef struct __toku_engine_status {\n");
printf(" char startuptime[26]; /* time of engine startup */ \n");
printf(" char now[26]; /* time of engine status query (i.e. now) */ \n");
printf(" u_int64_t ydb_lock_ctr; /* how many times has ydb lock been taken/released */ \n");
printf(" u_int64_t max_possible_sleep; /* max possible sleep time for ydb lock scheduling (constant) */ \n");
printf(" u_int64_t processor_freq_mhz; /* clock frequency in MHz */ \n");
printf(" u_int64_t max_requested_sleep; /* max sleep time requested, can be larger than max possible */ \n");
printf(" u_int64_t times_max_sleep_used; /* number of times the max_possible_sleep was used to sleep */ \n");
printf(" u_int64_t total_sleepers; /* total number of times a client slept for ydb lock scheduling */ \n");
printf(" u_int64_t total_sleep_time; /* total time spent sleeping for ydb lock scheduling */ \n");
printf(" u_int64_t max_waiters; /* max number of simultaneous client threads kept waiting for ydb lock */ \n");
printf(" u_int64_t total_waiters; /* total number of times a client thread waited for ydb lock */ \n");
printf(" u_int64_t total_clients; /* total number of separate client threads that use ydb lock */ \n");
printf(" u_int64_t time_ydb_lock_held_unavailable; /* number of times a thread migrated and theld is unavailable */ \n");
printf(" u_int64_t max_time_ydb_lock_held; /* max time a client thread held the ydb lock */ \n");
printf(" u_int64_t total_time_ydb_lock_held;/* total time client threads held the ydb lock */ \n");
printf(" u_int32_t checkpoint_period; /* delay between automatic checkpoints */ \n");
printf(" u_int32_t checkpoint_footprint; /* state of checkpoint procedure */ \n");
printf(" char checkpoint_time_begin[26]; /* time of last checkpoint begin */ \n");
printf(" char checkpoint_time_begin_complete[26]; /* time of last complete checkpoint begin */ \n");
printf(" char checkpoint_time_end[26]; /* time of last checkpoint end */ \n");
printf(" u_int64_t checkpoint_last_lsn; /* LSN of last complete checkpoint */ \n");
printf(" u_int32_t checkpoint_count; /* number of checkpoints taken */ \n");
printf(" u_int32_t checkpoint_count_fail; /* number of checkpoints failed */ \n");
printf(" u_int64_t txn_begin; /* number of transactions ever begun */ \n");
printf(" u_int64_t txn_commit; /* txn commit operations */ \n");
printf(" u_int64_t txn_abort; /* txn abort operations */ \n");
printf(" u_int64_t txn_close; /* txn completions (should equal commit+abort) */ \n");
printf(" u_int64_t txn_oldest_live; /* oldest extant txn */ \n");
printf(" u_int64_t next_lsn; /* lsn that will be assigned to next log entry */ \n");
printf(" u_int64_t cachetable_lock_taken; /* how many times has cachetable lock been taken */ \n");
printf(" u_int64_t cachetable_lock_released;/* how many times has cachetable lock been released */ \n");
printf(" u_int64_t cachetable_hit; /* how many cache hits */ \n");
printf(" u_int64_t cachetable_miss; /* how many cache misses */ \n");
printf(" u_int64_t cachetable_misstime; /* how many usec spent waiting for disk read because of cache miss */ \n");
printf(" u_int64_t cachetable_waittime; /* how many usec spent waiting for another thread to release cache line */ \n");
printf(" u_int64_t cachetable_wait_reading; /* how many times get_and_pin waits for a node to be read */ \n");
printf(" u_int64_t cachetable_wait_writing; /* how many times get_and_pin waits for a node to be written */ \n");
printf(" u_int64_t cachetable_wait_checkpoint; /* how many times get_and_pin waits for a node to be written for a checkpoint*/ \n");
printf(" u_int64_t puts; /* how many times has a newly created node been put into the cachetable */ \n");
printf(" u_int64_t prefetches; /* how many times has a block been prefetched into the cachetable */ \n");
printf(" u_int64_t maybe_get_and_pins; /* how many times has maybe_get_and_pin(_clean) been called */ \n");
printf(" u_int64_t maybe_get_and_pin_hits; /* how many times has get_and_pin(_clean) returned with a node */ \n");
printf(" int64_t cachetable_size_current; /* sum of the sizes of the nodes represented in the cachetable */ \n");
printf(" int64_t cachetable_size_limit; /* the limit to the sum of the node sizes */ \n");
printf(" int64_t cachetable_size_writing; /* the sum of the sizes of the nodes being written */ \n");
printf(" int64_t get_and_pin_footprint; /* state of get_and_pin procedure */ \n");
printf(" int64_t local_checkpoint; /* number of times a local checkpoint is taken for commit */ \n");
printf(" int64_t local_checkpoint_files; /* number of files subjec to local checkpoint is taken for commit */ \n");
printf(" int64_t local_checkpoint_during_checkpoint; /* number of times a local checkpoint happens during normal checkpoint */ \n");
printf(" u_int32_t range_locks_max; /* max total number of range locks */ \n");
printf(" u_int32_t range_locks_curr; /* total range locks currently in use */ \n");
printf(" u_int64_t range_locks_max_memory; /* max total bytes of range locks */ \n");
printf(" u_int64_t range_locks_curr_memory; /* total bytes of range locks currently in use */ \n");
printf(" u_int32_t range_lock_escalation_successes; /* number of times range locks escalation succeeded */ \n");
printf(" u_int32_t range_lock_escalation_failures; /* number of times range locks escalation failed */ \n");
printf(" u_int64_t range_read_locks; /* total range read locks taken */ \n");
printf(" u_int64_t range_read_locks_fail; /* total range read locks unable to be taken */ \n");
printf(" u_int64_t range_out_of_read_locks; /* total times range read locks exhausted */ \n");
printf(" u_int64_t range_write_locks; /* total range write locks taken */ \n");
printf(" u_int64_t range_write_locks_fail; /* total range write locks unable to be taken */ \n");
printf(" u_int64_t range_out_of_write_locks; /* total times range write locks exhausted */ \n");
printf(" u_int64_t inserts; /* ydb row insert operations */ \n");
printf(" u_int64_t inserts_fail; /* ydb row insert operations that failed */ \n");
printf(" u_int64_t deletes; /* ydb row delete operations */ \n");
printf(" u_int64_t deletes_fail; /* ydb row delete operations that failed */ \n");
printf(" u_int64_t point_queries; /* ydb point queries */ \n");
printf(" u_int64_t sequential_queries; /* ydb sequential queries */ \n");
printf(" u_int64_t fsync_count; /* number of times fsync performed */ \n");
printf(" u_int64_t fsync_time; /* total time required to fsync */ \n");
printf(" u_int64_t logger_ilock_ctr; /* how many times has logger input lock been taken or released */ \n");
printf(" u_int64_t logger_olock_ctr; /* how many times has logger output condition lock been taken or released */ \n");
printf(" u_int64_t logger_swap_ctr; /* how many times have logger buffers been swapped */ \n");
printf(" char enospc_most_recent[26]; /* time of most recent ENOSPC error return from disk write */ \n");
printf(" u_int64_t enospc_threads_blocked; /* how many threads are currently blocked by ENOSPC */ \n");
printf(" u_int64_t enospc_ctr; /* how many times has ENOSPC been returned by disk write */ \n");
printf(" u_int64_t enospc_redzone_ctr; /* how many times has ENOSPC been returned to user (red zone) */ \n");
printf(" u_int64_t enospc_state; /* state of ydb-level ENOSPC prevention (0 = green, 1 = yellow, 2 = red) */ \n");
printf(" u_int64_t loader_create; /* number of loaders created */ \n");
printf(" u_int64_t loader_create_fail; /* number of failed loader creations */ \n");
printf(" u_int64_t loader_put; /* number of loader puts */ \n");
printf(" u_int64_t loader_close; /* number of loaders closed (succeed or fail) */ \n");
printf(" u_int64_t loader_close_fail; /* number of loaders closed with error return */ \n");
printf(" u_int64_t loader_abort; /* number of loaders aborted */ \n");
printf(" u_int32_t loader_current; /* number of loaders currently existing */ \n");
printf(" u_int32_t loader_max; /* max number of loaders extant simultaneously */ \n");
printf(" u_int64_t logsuppress; /* number of times logging is suppressed */ \n");
printf(" u_int64_t logsuppressfail; /* number of times logging cannot be suppressed */ \n");
printf(" u_int64_t upgrade_env_status; /* Was an environment upgrade done? What was done? */ \n");
printf(" u_int64_t upgrade_header; /* how many brt headers were upgraded? */ \n");
printf(" u_int64_t upgrade_nonleaf; /* how many brt nonleaf nodes were upgraded? */ \n");
printf(" u_int64_t upgrade_leaf; /* how many brt leaf nodes were upgraded? */ \n");
printf("} ENGINE_STATUS;\n");
print_dbtype();
// print_db_notices();
print_defines();
printf("/* in wrap mode, top-level function txn_begin is renamed, but the field isn't renamed, so we have to hack it here.*/\n");
printf("#ifdef _TOKUDB_WRAP_H\n#undef txn_begin\n#endif\n");
assert(sizeof(db_btree_stat_fields32)==sizeof(db_btree_stat_fields64));
// Don't produce db_btree_stat records.
//print_struct("db_btree_stat", 0, db_btree_stat_fields32, db_btree_stat_fields64, sizeof(db_btree_stat_fields32)/sizeof(db_btree_stat_fields32[0]), 0);
assert(sizeof(db_env_fields32)==sizeof(db_env_fields64));
{
const char *extra[]={
"int (*checkpointing_set_period) (DB_ENV*, u_int32_t) /* Change the delay between automatic checkpoints. 0 means disabled. */",
"int (*checkpointing_get_period) (DB_ENV*, u_int32_t*) /* Retrieve the delay between automatic checkpoints. 0 means disabled. */",
"int (*checkpointing_postpone) (DB_ENV*) /* Use for 'rename table' or any other operation that must be disjoint from a checkpoint */",
"int (*checkpointing_resume) (DB_ENV*) /* Alert tokudb 'postpone' is no longer necessary */",
"int (*checkpointing_begin_atomic_operation) (DB_ENV*) /* Begin a set of operations (that must be atomic as far as checkpoints are concerned). i.e. inserting into every index in one table */",
"int (*checkpointing_end_atomic_operation) (DB_ENV*) /* End a set of operations (that must be atomic as far as checkpoints are concerned). */",
"int (*set_default_bt_compare) (DB_ENV*,int (*bt_compare) (DB *, const DBT *, const DBT *)) /* Set default (key) comparison function for all DBs in this environment. Required for RECOVERY since you cannot open the DBs manually. */",
"int (*get_engine_status) (DB_ENV*, ENGINE_STATUS*) /* Fill in status struct */",
"int (*get_engine_status_text) (DB_ENV*, char*, int) /* Fill in status text */",
"int (*get_iname) (DB_ENV* env, DBT* dname_dbt, DBT* iname_dbt) /* FOR TEST ONLY: lookup existing iname */",
"int (*create_loader) (DB_ENV *env, DB_TXN *txn, DB_LOADER **blp, DB *src_db, int N, DB *dbs[/*N*/], uint32_t db_flags[/*N*/], uint32_t dbt_flags[/*N*/], uint32_t loader_flags)",
"int (*put_multiple) (DB_ENV *env, DB *src_db, DB_TXN *txn,\n"
" const DBT *key, const DBT *val,\n"
" uint32_t num_dbs, DB **db_array, DBT *keys, DBT *vals, uint32_t *flags_array,\n"
" void *extra) /* Insert into multiple dbs */",
"int (*set_generate_row_callback_for_put) (DB_ENV *env, \n"
" int (*generate_row_for_put)(DB *dest_db, DB *src_db,\n"
" DBT *dest_key, DBT *dest_val,\n"
" const DBT *src_key, const DBT *src_val,\n"
" void *extra))",
"int (*del_multiple) (DB_ENV *env, DB *src_db, DB_TXN *txn,\n"
" const DBT *key, const DBT *val,\n"
" uint32_t num_dbs, DB **db_array, DBT *keys, uint32_t *flags_array,\n"
" void *extra) /* Insert into multiple dbs */",
"int (*set_generate_row_callback_for_del) (DB_ENV *env, \n"
" int (*generate_row_for_del)(DB *dest_db, DB *src_db,\n"
" DBT *dest_key,\n"
" const DBT *src_key, const DBT *src_val,\n"
" void *extra))",
"int (*get_redzone) (DB_ENV *env, int *redzone) /* get the redzone limit */",
"int (*set_redzone) (DB_ENV *env, int redzone) /* set the redzone limit in percent of total space */",
"int (*set_lk_max_memory) (DB_ENV *env, uint64_t max)",
"int (*get_lk_max_memory) (DB_ENV *env, uint64_t *max)",
NULL};
print_struct("db_env", 1, db_env_fields32, db_env_fields64, sizeof(db_env_fields32)/sizeof(db_env_fields32[0]), extra);
}
assert(sizeof(db_key_range_fields32)==sizeof(db_key_range_fields64));
print_struct("db_key_range", 0, db_key_range_fields32, db_key_range_fields64, sizeof(db_key_range_fields32)/sizeof(db_key_range_fields32[0]), 0);
assert(sizeof(db_lsn_fields32)==sizeof(db_lsn_fields64));
{
//const char *extra[] = {"u_int64_t lsn", NULL};
print_struct("db_lsn", 0, db_lsn_fields32, db_lsn_fields64, sizeof(db_lsn_fields32)/sizeof(db_lsn_fields32[0]), 0);
}
assert(sizeof(dbt_fields32)==sizeof(dbt_fields64));
print_struct("dbt", 0, dbt_fields32, dbt_fields64, sizeof(dbt_fields32)/sizeof(dbt_fields32[0]), 0);
//descriptor
printf("typedef struct __toku_descriptor {\n");
printf(" u_int32_t version;\n");
printf(" DBT dbt;\n");
printf("} *DESCRIPTOR, DESCRIPTOR_S;\n");
assert(sizeof(db_fields32)==sizeof(db_fields64));
{
//file fragmentation info
//a block is just a contiguous region in a file.
printf("//One header is included in 'data'\n");
printf("//One header is included in 'additional for checkpoint'\n");
printf("typedef struct __toku_db_fragmentation {\n");
printf(" uint64_t file_size_bytes; //Total file size in bytes\n");
printf(" uint64_t data_bytes; //Compressed User Data in bytes\n");
printf(" uint64_t data_blocks; //Number of blocks of compressed User Data\n");
printf(" uint64_t checkpoint_bytes_additional; //Additional bytes used for checkpoint system\n");
printf(" uint64_t checkpoint_blocks_additional; //Additional blocks used for checkpoint system \n");
printf(" uint64_t unused_bytes; //Unused space in file\n");
printf(" uint64_t unused_blocks; //Number of contiguous regions of unused space\n");
printf(" uint64_t largest_unused_block; //Size of largest contiguous unused space\n");
printf("} *TOKU_DB_FRAGMENTATION, TOKU_DB_FRAGMENTATION_S;\n");
const char *extra[]={"int (*key_range64)(DB*, DB_TXN *, DBT *, u_int64_t *less, u_int64_t *equal, u_int64_t *greater, int *is_exact)",
"int (*stat64)(DB *, DB_TXN *, DB_BTREE_STAT64 *)",
"int (*pre_acquire_table_lock)(DB*, DB_TXN*)",
"const DBT* (*dbt_pos_infty)(void) /* Return the special DBT that refers to positive infinity in the lock table.*/",
"const DBT* (*dbt_neg_infty)(void)/* Return the special DBT that refers to negative infinity in the lock table.*/",
"int (*row_size_supported) (DB*, u_int32_t) /* Test whether a row size is supported. */",
"DESCRIPTOR descriptor /* saved row/dictionary descriptor for aiding in comparisons */",
"int (*set_descriptor) (DB*, u_int32_t version, const DBT* descriptor) /* set row/dictionary descriptor for a db. Available only while db is open */",
"int (*getf_set)(DB*, DB_TXN*, u_int32_t, DBT*, YDB_CALLBACK_FUNCTION, void*) /* same as DBC->c_getf_set without a persistent cursor) */",
"int (*flatten)(DB*, DB_TXN*) /* Flatten a dictionary, similar to (but faster than) a table scan */",
"int (*optimize)(DB*) /* Run garbage collecion and promote all transactions older than oldest. Amortized (happens during flattening) */",
"int (*get_fragmentation)(DB*,TOKU_DB_FRAGMENTATION)",
NULL};
print_struct("db", 1, db_fields32, db_fields64, sizeof(db_fields32)/sizeof(db_fields32[0]), extra);
}
assert(sizeof(db_txn_active_fields32)==sizeof(db_txn_active_fields64));
print_struct("db_txn_active", 0, db_txn_active_fields32, db_txn_active_fields64, sizeof(db_txn_active_fields32)/sizeof(db_txn_active_fields32[0]), 0);
assert(sizeof(db_txn_fields32)==sizeof(db_txn_fields64));
{
//txn progress info
printf("typedef struct __toku_txn_progress {\n");
printf(" uint64_t entries_total;\n");
printf(" uint64_t entries_processed;\n");
printf(" uint8_t is_commit;\n");
printf(" uint8_t stalled_on_checkpoint;\n");
printf("} *TOKU_TXN_PROGRESS, TOKU_TXN_PROGRESS_S;\n");
printf("typedef void(*TXN_PROGRESS_POLL_FUNCTION)(TOKU_TXN_PROGRESS, void*);\n");
printf("struct txn_stat {\n u_int64_t rollback_raw_count;\n};\n");
const char *extra[] = {
"int (*txn_stat)(DB_TXN *, struct txn_stat **)",
"struct { void *next, *prev; } open_txns",
"int (*commit_with_progress)(DB_TXN*, uint32_t, TXN_PROGRESS_POLL_FUNCTION, void*)",
"int (*abort_with_progress)(DB_TXN*, TXN_PROGRESS_POLL_FUNCTION, void*)",
NULL,
};
print_struct("db_txn", INTERNAL_AT_END, db_txn_fields32, db_txn_fields64, sizeof(db_txn_fields32)/sizeof(db_txn_fields32[0]), extra);
}
assert(sizeof(db_txn_stat_fields32)==sizeof(db_txn_stat_fields64));
print_struct("db_txn_stat", 0, db_txn_stat_fields32, db_txn_stat_fields64, sizeof(db_txn_stat_fields32)/sizeof(db_txn_stat_fields32[0]), 0);
{
const char *extra[]={
"int (*c_getf_first)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *)",
"int (*c_getf_last)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *)",
"int (*c_getf_next)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *)",
"int (*c_getf_prev)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *)",
"int (*c_getf_current)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *)",
"int (*c_getf_current_binding)(DBC *, u_int32_t, YDB_CALLBACK_FUNCTION, void *)",
"int (*c_getf_set)(DBC *, u_int32_t, DBT *, YDB_CALLBACK_FUNCTION, void *)",
"int (*c_getf_set_range)(DBC *, u_int32_t, DBT *, YDB_CALLBACK_FUNCTION, void *)",
"int (*c_getf_set_range_reverse)(DBC *, u_int32_t, DBT *, YDB_CALLBACK_FUNCTION, void *)",
"int (*c_pre_acquire_read_lock)(DBC*, const DBT*, const DBT*)",
NULL};
assert(sizeof(dbc_fields32)==sizeof(dbc_fields64));
print_struct("dbc", INTERNAL_AT_END, dbc_fields32, dbc_fields64, sizeof(dbc_fields32)/sizeof(dbc_fields32[0]), extra);
}
printf("#ifdef _TOKUDB_WRAP_H\n#define txn_begin txn_begin_tokudb\n#endif\n");
printf("int db_env_create(DB_ENV **, u_int32_t) %s;\n", VISIBLE);
printf("int db_create(DB **, DB_ENV *, u_int32_t) %s;\n", VISIBLE);
printf("char *db_strerror(int) %s;\n", VISIBLE);
printf("const char *db_version(int*,int *,int *) %s;\n", VISIBLE);
printf("int log_compare (const DB_LSN*, const DB_LSN *) %s;\n", VISIBLE);
printf("int db_env_set_func_fsync (int (*)(int)) %s;\n", VISIBLE);
printf("int toku_set_trace_file (char *fname) %s;\n", VISIBLE);
printf("int toku_close_trace_file (void) %s;\n", VISIBLE);
printf("int db_env_set_func_free (void (*)(void*)) %s;\n", VISIBLE);
printf("int db_env_set_func_malloc (void *(*)(size_t)) %s;\n", VISIBLE);
printf("int db_env_set_func_realloc (void *(*)(void*, size_t)) %s;\n", VISIBLE);
printf("int db_env_set_func_pwrite (ssize_t (*)(int, const void *, size_t, toku_off_t)) %s;\n", VISIBLE);
printf("int db_env_set_func_full_pwrite (ssize_t (*)(int, const void *, size_t, toku_off_t)) %s;\n", VISIBLE);
printf("int db_env_set_func_write (ssize_t (*)(int, const void *, size_t)) %s;\n", VISIBLE);
printf("int db_env_set_func_full_write (ssize_t (*)(int, const void *, size_t)) %s;\n", VISIBLE);
printf("int db_env_set_func_fdopen (FILE* (*)(int, const char *)) %s;\n", VISIBLE);
printf("int db_env_set_func_fopen (FILE* (*)(const char *, const char *)) %s;\n", VISIBLE);
printf("int db_env_set_func_open (int (*)(const char *, int, int)) %s;\n", VISIBLE);
printf("int db_env_set_func_fclose (int (*)(FILE*)) %s;\n", VISIBLE);
printf("void db_env_set_func_loader_fwrite (size_t (*fwrite_fun)(const void*,size_t,size_t,FILE*)) %s;\n", VISIBLE);
printf("void db_env_set_checkpoint_callback (void (*)(void*), void*) %s;\n", VISIBLE);
printf("void db_env_set_checkpoint_callback2 (void (*)(void*), void*) %s;\n", VISIBLE);
printf("void db_env_set_recover_callback (void (*)(void*), void*) %s;\n", VISIBLE);
printf("void db_env_set_recover_callback2 (void (*)(void*), void*) %s;\n", VISIBLE);
printf("void db_env_set_loader_size_factor (uint32_t) %s;\n", VISIBLE);
printf("#if defined(__cplusplus)\n}\n#endif\n");
printf("#endif\n");
return 0;
}
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