/* perform btwrite command */
int dobtwrite(char *name, int rnum, int rnd){
TCBDB *bdb;
int i, err, len;
char buf[RECBUFSIZ];
if(showprgr) printf("<Writing Test of B+ Tree>\n name=%s rnum=%d\n\n", name, rnum);
/* open a database */
bdb = tcbdbnew();
if(rnd){
tcbdbtune(bdb, 77, 256, -1, 0, 0, 0);
tcbdbsetcache(bdb, rnum / 77, -1);
} else {
tcbdbtune(bdb, 101, 256, -1, 0, 0, 0);
tcbdbsetcache(bdb, 256, 256);
}
tcbdbsetxmsiz(bdb, rnum * 32);
if(!tcbdbopen(bdb, name, BDBOWRITER | BDBOCREAT | BDBOTRUNC)){
fprintf(stderr, "tcbdbopen failed\n");
tcbdbdel(bdb);
return 1;
}
err = FALSE;
/* loop for each record */
for(i = 1; i <= rnum; i++){
/* store a record */
len = sprintf(buf, "%08d", rnd ? myrand() % rnum + 1 : i);
if(!tcbdbput(bdb, buf, len, buf, len)){
fprintf(stderr, "tcbdbput failed\n");
err = TRUE;
break;
}
/* print progression */
if(showprgr && rnum > 250 && i % (rnum / 250) == 0){
putchar('.');
fflush(stdout);
if(i == rnum || i % (rnum / 10) == 0){
printf(" (%08d)\n", i);
fflush(stdout);
}
}
}
/* close the database */
if(!tcbdbclose(bdb)){
fprintf(stderr, "tcbdbclose failed\n");
tcbdbdel(bdb);
return 1;
}
tcbdbdel(bdb);
if(showprgr && !err) printf("ok\n\n");
return err ? 1 : 0;
}
/* Open the database handle */
TCBDB *
tc_bdb_create (const char *dbname, int module)
{
TCBDB *bdb;
char *path = NULL;
int ecode;
uint32_t lcnum, ncnum, lmemb, nmemb, bnum, flags;
path = tc_db_set_path (dbname, module);
bdb = tcbdbnew ();
lcnum = conf.cache_lcnum > 0 ? conf.cache_lcnum : TC_LCNUM;
ncnum = conf.cache_ncnum > 0 ? conf.cache_ncnum : TC_NCNUM;
/* set the caching parameters of a B+ tree database object */
if (!tcbdbsetcache (bdb, lcnum, ncnum)) {
free (path);
FATAL ("Unable to set TCB cache");
}
/* set the size of the extra mapped memory */
if (conf.xmmap > 0 && !tcbdbsetxmsiz (bdb, conf.xmmap)) {
free (path);
FATAL ("Unable to set TCB xmmap.");
}
lmemb = conf.tune_lmemb > 0 ? conf.tune_lmemb : TC_LMEMB;
nmemb = conf.tune_nmemb > 0 ? conf.tune_nmemb : TC_NMEMB;
bnum = conf.tune_bnum > 0 ? conf.tune_bnum : TC_BNUM;
/* compression */
flags = BDBTLARGE;
if (conf.compression == TC_BZ2) {
flags |= BDBTBZIP;
} else if (conf.compression == TC_ZLIB) {
flags |= BDBTDEFLATE;
}
/* set the tuning parameters */
tcbdbtune (bdb, lmemb, nmemb, bnum, 8, 10, flags);
/* open flags */
flags = BDBOWRITER | BDBOCREAT;
if (!conf.load_from_disk)
flags |= BDBOTRUNC;
/* attempt to open the database */
if (!tcbdbopen (bdb, path, flags)) {
free (path);
ecode = tcbdbecode (bdb);
FATAL ("%s", tcbdberrmsg (ecode));
}
free (path);
return bdb;
}
int main(int argc, char **argv){
if (argc != 3) {
std::cerr << "Usage: " << argv[0] << " dbname record_num" << std::endl;
exit(1);
}
double t1, t2;
int rnum = atoi(argv[2]);
int ecode;
char *key, *value;
t1 = gettimeofday_sec();
TCBDB *bdb = tcbdbnew();
tcbdbtune(bdb, 5, -1, -1, -1, -1, 0);
tcbdbsetcache(bdb, 300, 100);
if (!tcbdbopen(bdb, argv[1], BDBOWRITER | BDBOCREAT)) {
ecode = tcbdbecode(bdb);
fprintf(stderr, "open error: %s\n", tcbdberrmsg(ecode));
}
for (int i = 0; i < rnum; ++i) {
char key[9];
memset(key, 0, 9);
sprintf(key,"%08d", i);
char *val = new char[307201]; // 100K
memset(val, 0, 307201);
sprintf(val, "%0102400d", i);
sprintf(val + 102400, "%0102400d", i);
sprintf(val + 102400*2, "%0102400d", i);
int size;
void *data = tcbdbget(bdb, key, strlen(key), &size);
if (data != NULL) {
if (strcmp(val, (char *) data) != 0) {
std::cout << "[error] value incorrect." << std::endl;
}
free(data);
} else {
std::cout << "[error] entry not found." << std::endl;
}
delete [] val;
}
if (!tcbdbclose(bdb)) {
ecode = tcbdbecode(bdb);
fprintf(stderr, "close error: %s\n", tcbdberrmsg(ecode));
}
tcbdbdel(bdb);
t2 = gettimeofday_sec();
std::cout << "get time: " << t2 - t1 << std::endl;
return 0;
}
static int
hcache_open_tc (struct header_cache* h, const char* path)
{
h->db = tcbdbnew();
if (!h->db)
return -1;
if (option(OPTHCACHECOMPRESS))
tcbdbtune(h->db, 0, 0, 0, -1, -1, BDBTDEFLATE);
if (tcbdbopen(h->db, path, BDBOWRITER | BDBOCREAT))
return 0;
else
{
dprint(2, (debugfile, "tcbdbopen %s failed: %s\n", path, errno));
tcbdbdel(h->db);
return -1;
}
}
/* Open a word database object.
`wdb' specifies the word database object.
`path' specifies the path of the database file.
`omode' specifies the connection mode.
If successful, the return value is true, else, it is false. */
static bool tcwdbopenimpl(TCWDB *wdb, const char *path, int omode){
assert(wdb && path);
int bomode = BDBOREADER;
if(omode & WDBOWRITER){
bomode = BDBOWRITER;
if(omode & WDBOCREAT) bomode |= BDBOCREAT;
if(omode & WDBOTRUNC) bomode |= BDBOTRUNC;
int64_t bnum = (wdb->etnum / WDBLMEMB) * 2 + 1;
int bopts = 0;
if(wdb->opts & WDBTLARGE) bopts |= BDBTLARGE;
if(wdb->opts & WDBTDEFLATE) bopts |= BDBTDEFLATE;
if(wdb->opts & WDBTBZIP) bopts |= BDBTBZIP;
if(wdb->opts & WDBTTCBS) bopts |= BDBTTCBS;
if(!tcbdbtune(wdb->idx, WDBLMEMB, WDBNMEMB, bnum, WDBAPOW, WDBFPOW, bopts)) return false;
if(!tcbdbsetlsmax(wdb->idx, WDBLSMAX)) return false;
}
if(wdb->lcnum > 0){
if(!tcbdbsetcache(wdb->idx, wdb->lcnum, wdb->lcnum / 4 + 1)) return false;
} else {
if(!tcbdbsetcache(wdb->idx, (omode & WDBOWRITER) ? WDBLCNUMW : WDBLCNUMR, WDBNCNUM))
return false;
}
if(omode & WDBONOLCK) bomode |= BDBONOLCK;
if(omode & WDBOLCKNB) bomode |= BDBOLCKNB;
if(!tcbdbopen(wdb->idx, path, bomode)) return false;
if((omode & WDBOWRITER) && tcbdbrnum(wdb->idx) < 1){
memcpy(tcbdbopaque(wdb->idx), WDBMAGICDATA, strlen(WDBMAGICDATA));
} else if(!(omode & WDBONOLCK) &&
memcmp(tcbdbopaque(wdb->idx), WDBMAGICDATA, strlen(WDBMAGICDATA))){
tcbdbclose(wdb->idx);
tcbdbsetecode(wdb->idx, TCEMETA, __FILE__, __LINE__, __func__);
return 0;
}
if(omode & WDBOWRITER){
wdb->cc = tcmapnew2(WDBCCBNUM);
wdb->dtokens = tcmapnew2(WDBDTKNBNUM);
wdb->dids = tcidsetnew(WDBDIDSBNUM);
}
wdb->open = true;
return true;
}
/* perform create command */
static int proccreate(const char *path, int lmemb, int nmemb,
int bnum, int apow, int fpow, TCCMP cmp, int opts) {
TCBDB *bdb = tcbdbnew();
if (!INVALIDHANDLE(g_dbgfd)) tcbdbsetdbgfd(bdb, g_dbgfd);
if (cmp && !tcbdbsetcmpfunc(bdb, cmp, NULL)) printerr(bdb);
if (!tcbdbsetcodecfunc(bdb, _tc_recencode, NULL, _tc_recdecode, NULL)) printerr(bdb);
if (!tcbdbtune(bdb, lmemb, nmemb, bnum, apow, fpow, opts)) {
printerr(bdb);
tcbdbdel(bdb);
return 1;
}
if (!tcbdbopen(bdb, path, BDBOWRITER | BDBOCREAT | BDBOTRUNC)) {
printerr(bdb);
tcbdbdel(bdb);
return 1;
}
bool err = false;
if (!tcbdbclose(bdb)) {
printerr(bdb);
err = true;
}
tcbdbdel(bdb);
return err ? 1 : 0;
}
int main(int argc, char *argv[], char *envp[]) {
int c;
char *synchttp_settings_listen = "0.0.0.0";
int synchttp_settings_port = 2688;
char *synchttp_settings_datapath = NULL;
bool synchttp_settings_daemon = false;
int synchttp_settings_timeout = 60; /* 单位：秒 */
synchttp_settings_syncinterval = 5; /* 单位：秒 */
int synchttp_settings_cachenonleaf = 1024; /* 缓存非叶子节点数。单位：条 */
int synchttp_settings_cacheleaf = 2048; /* 缓存叶子节点数。叶子节点缓存数为非叶子节点数的两倍。单位：条 */
int synchttp_settings_mappedmemory = 104857600; /* 单位：字节 */
synchttp_settings_pidfile = "/tmp/synchttp.pid";
synchttp_settings_auth = NULL; /* 验证密码 */
/* 启动选项 */
while ((c = getopt(argc, argv, "l:p:x:t:s:c:m:i:a:w:dh")) != -1) {
switch (c) {
case 'l':
synchttp_settings_listen = strdup(optarg);
break;
case 'p':
synchttp_settings_port = atoi(optarg);
break;
case 'x':
synchttp_settings_datapath = strdup(optarg); /* synchttp数据库文件存放路径 */
if (access(synchttp_settings_datapath, W_OK) != 0) { /* 如果目录不可写 */
if (access(synchttp_settings_datapath, R_OK) == 0) { /* 如果目录可读 */
chmod(synchttp_settings_datapath, S_IWOTH); /* 设置其他用户具可写入权限 */
} else { /* 如果不存在该目录，则创建 */
create_multilayer_dir(synchttp_settings_datapath);
}
if (access(synchttp_settings_datapath, W_OK) != 0) { /* 如果目录不可写 */
fprintf(stderr, "synchttp database directory not writable\n");
}
}
break;
case 't':
synchttp_settings_timeout = atoi(optarg);
break;
case 's':
synchttp_settings_syncinterval = atoi(optarg);
break;
case 'c':
synchttp_settings_cachenonleaf = atoi(optarg);
synchttp_settings_cacheleaf = synchttp_settings_cachenonleaf * 2;
break;
case 'm':
synchttp_settings_mappedmemory = atoi(optarg) * 1024 * 1024; /* 单位：M */
break;
case 'i':
synchttp_settings_pidfile = strdup(optarg);
break;
case 'a':
synchttp_settings_auth = strdup(optarg);
break;
case 'd':
synchttp_settings_daemon = true;
break;
case 'h':
default:
show_help();
return 1;
}
}
/* 判断是否加了必填参数 -x */
if (synchttp_settings_datapath == NULL) {
show_help();
fprintf(stderr, "Attention: Please use the indispensable argument: -x <path>\n\n");
exit(1);
}
/*curl初始化全局信息*/
if ((curl_global_init(CURL_GLOBAL_ALL)) != CURLE_OK) {
fprintf(stderr, "Curl global init fail.\n");
exit(1);
}
/* 数据表路径 */
int synchttp_settings_dataname_len = 1024;
char *synchttp_settings_dataname = (char *) tccalloc(1, synchttp_settings_dataname_len);
sprintf(synchttp_settings_dataname, "%s/synchttp.db", synchttp_settings_datapath);
/* 打开数据表 */
synchttp_db_tcbdb = tcbdbnew();
tcbdbsetmutex(synchttp_db_tcbdb); /* 开启线程互斥锁 */
tcbdbtune(synchttp_db_tcbdb, 1024, 2048, 50000000, 8, 10, BDBTLARGE);
tcbdbsetcache(synchttp_db_tcbdb, synchttp_settings_cacheleaf,
synchttp_settings_cachenonleaf);
tcbdbsetxmsiz(synchttp_db_tcbdb, synchttp_settings_mappedmemory); /* 内存缓存大小 */
/* 判断表是否能打开 */
if (!tcbdbopen(synchttp_db_tcbdb, synchttp_settings_dataname, BDBOWRITER | BDBOCREAT)) {
fprintf(stderr, "Attention: Unable to open the database.\n\n");
exit(1);
}
/* 释放变量所占内存 */
free(synchttp_settings_dataname);
/* 如果加了-d参数，以守护进程运行 */
if (synchttp_settings_daemon == true) {
pid_t pid;
/* Fork off the parent process */
pid = fork();
if (pid < 0) {
exit(EXIT_FAILURE);
}
/* If we got a good PID, then
we can exit the parent process. */
if (pid > 0) {
exit(EXIT_SUCCESS);
}
}
/* 将进程号写入PID文件 */
FILE *fp_pidfile;
fp_pidfile = fopen(synchttp_settings_pidfile, "w");
fprintf(fp_pidfile, "%d\n", getpid());
fclose(fp_pidfile);
/* 派生synchttp子进程（工作进程） */
pid_t synchttp_worker_pid_wait;
pid_t synchttp_worker_pid = fork();
/* 如果派生进程失败，则退出程序 */
if (synchttp_worker_pid < 0) {
fprintf(stderr, "Error: %s:%d\n", __FILE__, __LINE__);
exit(EXIT_FAILURE);
}
/* synchttp父进程内容 */
if (synchttp_worker_pid > 0) {
/* 处理父进程接收到的kill信号 */
/* 忽略Broken Pipe信号 */
signal(SIGPIPE, SIG_IGN);
/* 处理kill信号 */
signal(SIGINT, kill_signal_master);
signal(SIGKILL, kill_signal_master);
signal(SIGQUIT, kill_signal_master);
signal(SIGTERM, kill_signal_master);
signal(SIGHUP, kill_signal_master);
/* 处理段错误信号 */
signal(SIGSEGV, kill_signal_master);
/* 如果子进程终止，则重新派生新的子进程 */
while (1) {
synchttp_worker_pid_wait = wait(NULL);
if (synchttp_worker_pid_wait < 0) {
continue;
}
usleep(100000);
synchttp_worker_pid = fork();
if (synchttp_worker_pid == 0) {
break;
}
}
}
/*****************************************子进程处理************************************/
/* 忽略Broken Pipe信号 */
signal(SIGPIPE, SIG_IGN);
/* 处理kill信号 */
signal(SIGINT, kill_signal_worker);
signal(SIGKILL, kill_signal_worker);
signal(SIGQUIT, kill_signal_worker);
signal(SIGTERM, kill_signal_worker);
signal(SIGHUP, kill_signal_worker);
/* 处理段错误信号 */
signal(SIGSEGV, kill_signal_worker);
/*创建消息队列监听进程*/
pthread_t synchttp_dispatch_tid;
pthread_create(&synchttp_dispatch_tid, NULL, (void *) synchttp_dispatch, NULL);
/* 创建定时同步线程，定时将内存中的内容写入磁盘 */
pthread_t synchttp_worker_tid;
pthread_create(&synchttp_worker_tid, NULL, (void *) synchttp_worker, NULL);
/* 外部请求处理部分 */
struct evhttp *synchttpd;
event_init();
synchttpd = evhttp_start(synchttp_settings_listen, synchttp_settings_port);
if (synchttpd == NULL) {
fprintf(stderr, "Error: Unable to listen on %s:%d\n\n", synchttp_settings_listen, synchttp_settings_port);
kill(0, SIGTERM);
exit(1);
}
evhttp_set_timeout(synchttpd, synchttp_settings_timeout);
evhttp_set_gencb(synchttpd, synchttp_handler, NULL);
event_dispatch();
evhttp_free(synchttpd);
}
static int control(ErlDrvData handle, unsigned int command, char* buf, int count, char** res, int res_size) {
tcbdb_drv_t *driver = (tcbdb_drv_t*)handle;
TCBDB *bdb = driver->bdb;
int index = 1, tp, sz, version;
char key[MAX_KEY_SIZE], value[MAX_VALUE_SIZE];
long key_size, value_size;
long long long_tmp;
bool rs;
const char *value_tmp = NULL;
ei_x_buff x;
ei_x_new_with_version(&x);
if (bdb == NULL && command != OPEN)
return ei_error(&x, "database_not_opened", res, res_size);
ei_decode_version(buf, &index, &version);
switch (command) {
case OPEN:
// open(Filepath::string())
if (bdb == NULL) {
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_STRING_EXT)
return ei_error(&x, "invalid_argument", res, res_size);
TCBDB *bdb = tcbdbnew();
tcbdbsetmutex(bdb);
tcbdbsetcache(bdb, 104800, 51200);
tcbdbsetxmsiz(bdb, 1048576);
tcbdbtune(bdb, 0, 0, 0, 7, -1, BDBTLARGE);
char *file = driver_alloc(sz + 1);
ei_decode_string(buf, &index, file);
rs = tcbdbopen(bdb, file, BDBOWRITER | BDBOCREAT);
driver_free(file);
if (!rs)
return ei_error(&x, tcbdberrmsg(tcbdbecode(bdb)), res, res_size);
driver->bdb = bdb;
ei_x_encode_atom(&x, "ok");
} else
return ei_error(&x, "database already opened", res, res_size);
break;
case CLOSE:
tcbdbclose(bdb);
tcbdbdel(bdb);
driver->bdb = NULL;
ei_x_encode_atom(&x, "ok");
break;
case PUT:
case PUTDUP:
case PUTCAT:
case PUTKEEP:
// put({Key::binary(), Value::binary()})
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_SMALL_TUPLE_EXT || sz != 2)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_tuple_header(buf, &index, &sz);
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_BINARY_EXT || sz > MAX_KEY_SIZE)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_binary(buf, &index, &key[0], &key_size);
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_BINARY_EXT)
return ei_error(&x, "invalid_argument", res, res_size);
if (sz <= MAX_VALUE_SIZE) {
ei_decode_binary(buf, &index, &value[0], &value_size);
switch (command) {
case PUT: rs = tcbdbput(bdb, &key[0], key_size, &value[0], value_size); break;
case PUTDUP: rs = tcbdbputdup(bdb, &key[0], key_size, &value[0], value_size); break;
case PUTCAT: rs = tcbdbputcat(bdb, &key[0], key_size, &value[0], value_size); break;
default: rs = tcbdbputkeep(bdb, &key[0], key_size, &value[0], value_size);
}
} else {
void *p = driver_alloc(sz);
if (p) {
ei_decode_binary(buf, &index, p, &value_size);
switch (command) {
case PUT: rs = tcbdbput(bdb, &key[0], key_size, p, value_size); break;
case PUTDUP: rs = tcbdbputdup(bdb, &key[0], key_size, p, value_size); break;
case PUTCAT: rs = tcbdbputcat(bdb, &key[0], key_size, p, value_size); break;
default: rs = tcbdbputkeep(bdb, &key[0], key_size, p, value_size);
}
driver_free(p);
} else
return ei_error(&x, "too long value", res, res_size);
};
if (!rs)
return ei_error(&x, tcbdberrmsg(tcbdbecode(bdb)), res, res_size);
ei_x_encode_atom(&x, "ok");
break;
case GET:
// get(Key::binary()) -> {ok, Value} | {error, not_found}
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_BINARY_EXT || sz > MAX_KEY_SIZE)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_binary(buf, &index, &key[0], &key_size);
value_tmp = tcbdbget3(bdb, &key[0], key_size, &sz);
ei_x_encode_tuple_header(&x, 2);
if (value_tmp != NULL) {
ei_x_encode_atom(&x, "ok");
ei_x_encode_binary(&x, value_tmp, sz);
} else {
ei_x_encode_atom(&x, "error");
ei_x_encode_atom(&x, "not_found");
}
break;
case GETDUP:
// get(Key::binary()) -> {ok, Values}
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_BINARY_EXT || sz > MAX_KEY_SIZE)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_binary(buf, &index, &key[0], &key_size);
TCLIST *vals = tcbdbget4(bdb, key, key_size);
if (vals) {
ei_x_encode_tuple_header(&x, 2);
ei_x_encode_atom(&x, "ok");
int j;
for (j=0; j<tclistnum(vals); j++) {
value_tmp = tclistval(vals, j, &sz);
ei_x_encode_list_header(&x, 1);
ei_x_encode_binary(&x, value_tmp, sz);
}
tclistdel(vals);
ei_x_encode_empty_list(&x);
} else {
ei_x_encode_tuple_header(&x, 2);
ei_x_encode_atom(&x, "ok");
ei_x_encode_empty_list(&x);
}
break;
case REMOVE:
// remove(Keys::list())
// remove(Key::binary())
// remove({Key::binary(), Value::binary()})
ei_get_type(buf, &index, &tp, &sz);
if (tp == ERL_LIST_EXT) {
int count, j;
ei_decode_list_header(buf, &index, &count);
for (j=0; j<count; j++) {
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_BINARY_EXT || sz > MAX_KEY_SIZE)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_binary(buf, &index, &key[0], &key_size);
if (!tcbdbout3(bdb, &key[0], key_size))
return ei_error(&x, tcbdberrmsg(tcbdbecode(bdb)), res, res_size);
}
ei_x_encode_atom(&x, "ok");
} else if (tp == ERL_BINARY_EXT && sz <= MAX_KEY_SIZE) {
ei_decode_binary(buf, &index, &key[0], &key_size);
tcbdbout3(bdb, &key[0], key_size);
ei_x_encode_atom(&x, "ok");
} else if (tp == ERL_SMALL_TUPLE_EXT && sz == 2) {
ei_decode_tuple_header(buf, &index, &sz);
// get key
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_BINARY_EXT || sz > MAX_KEY_SIZE)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_binary(buf, &index, &key[0], &key_size);
// get value
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_BINARY_EXT || sz > MAX_VALUE_SIZE)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_binary(buf, &index, &value[0], &value_size);
// remove by key&value
BDBCUR *cur = tcbdbcurnew(bdb);
if (!tcbdbcurjump(cur, &key[0], key_size))
return ei_error(&x, "record_not_found", res, res_size);
bool removed = false, not_found = false;
while (!removed && !not_found) {
int cur_key_size, cur_val_size;
const void *curkey = tcbdbcurkey3(cur, &cur_key_size);
if (cur_key_size == key_size && memcmp(curkey, key, key_size) == 0) {
const void *curval = tcbdbcurval3(cur, &cur_val_size);
if (cur_val_size == value_size && memcmp(curval, value, value_size) == 0) {
tcbdbcurout(cur);
removed = true;
} else
if (!tcbdbcurnext(cur))
not_found = true;
} else not_found = true;
}
if (not_found) ei_x_encode_atom(&x, "not_found");
else ei_x_encode_atom(&x, "ok");
} else
return ei_error(&x, "invalid_argument", res, res_size);
break;
case RANGE:
/*
* range({Prefix::binary(), limit:integer()})
* range({StartKey::binary(), BeginInclusion::boolean(), EndKey::binary(), EndInclusion::binary(), limit:integer()})
*/
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_SMALL_TUPLE_EXT || sz < 2)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_tuple_header(buf, &index, &sz);
ei_get_type(buf, &index, &tp, &sz);
if (tp == ERL_BINARY_EXT && sz <= MAX_KEY_SIZE) {
char keys[MAX_KEY_SIZE], keyf[MAX_KEY_SIZE];
long keys_size, keyf_size;
int keys_inc, keyf_inc;
long max = -1;
TCLIST *range;
ei_decode_binary(buf, &index, &keys[0], &keys_size);
ei_get_type(buf, &index, &tp, &sz);
if (tp == ERL_ATOM_EXT) {
// range
ei_decode_boolean(buf, &index, &keys_inc);
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_BINARY_EXT || sz > MAX_KEY_SIZE)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_binary(buf, &index, &keyf[0], &keyf_size);
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_ATOM_EXT)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_boolean(buf, &index, &keyf_inc);
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_INTEGER_EXT)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_long(buf, &index, &max);
range = tcbdbrange(bdb, &keys[0], keys_size, keys_inc == 1, &keyf[0], keyf_size, keyf_inc == 1, max);
} else if (tp == ERL_INTEGER_EXT) {
// prefix
ei_get_type(buf, &index, &tp, &sz);
if (tp != ERL_INTEGER_EXT)
return ei_error(&x, "invalid_argument", res, res_size);
ei_decode_long(buf, &index, &max);
range = tcbdbfwmkeys(bdb, &keys[0], keys_size, max);
} else
return ei_error(&x, "invalid_argument", res, res_size);
const char *key;
int key_size, value_size;
int idx, cnt = 0, rcount = tclistnum(range);
ei_x_encode_tuple_header(&x, 2);
ei_x_encode_atom(&x, "ok");
BDBCUR *cur = tcbdbcurnew(bdb);
for (idx=0; idx<rcount; idx++) {
key = tclistval(range, idx, &key_size);
TCLIST *vals = tcbdbget4(bdb, key, key_size);
if (vals) {
int j;
for (j=0; j<tclistnum(vals); j++) {
ei_x_encode_list_header(&x, 1);
value_tmp = tclistval(vals, j, &value_size);
ei_x_encode_binary(&x, value_tmp, value_size);
if (max >= 0 && ++cnt >= max) break;
}
tclistdel(vals);
}
idx++;
}
tcbdbcurdel(cur);
tclistdel(range);
ei_x_encode_empty_list(&x);
} else
return ei_error(&x, "invalid_argument", res, res_size);
break;
case SYNC:
// sync()
if (!tcbdbsync(bdb))
return ei_error(&x, tcbdberrmsg(tcbdbecode(bdb)), res, res_size);
ei_x_encode_atom(&x, "ok");
break;
case INFO:
// info()
ei_x_encode_tuple_header(&x, 3);
ei_x_encode_atom(&x, "ok");
long_tmp = tcbdbrnum(bdb);
ei_x_encode_longlong(&x, long_tmp);
long_tmp = tcbdbfsiz(bdb);
ei_x_encode_longlong(&x, long_tmp);
break;
case ITERATE:
// Read(none) -> {ok, Key} | {error, not_found}
// Read(Key::binary()) -> {ok, Key} | {error, not_found}
ei_get_type(buf, &index, &tp, &sz);
BDBCUR *cur = tcbdbcurnew(bdb);
if (tp == ERL_BINARY_EXT && sz <= MAX_KEY_SIZE) {
ei_decode_binary(buf, &index, &key[0], &key_size);
rs = tcbdbcurjump(cur, &key[0], key_size) && tcbdbcurnext(cur);
} else
rs = tcbdbcurfirst(cur);
if (rs) {
int key_size;
const char *key = tcbdbcurkey3(cur, &key_size);
ei_x_encode_tuple_header(&x, 2);
ei_x_encode_atom(&x, "ok");
ei_x_encode_binary(&x, key, key_size);
tcbdbcurdel(cur);
} else {
tcbdbcurdel(cur);
return ei_error(&x, "not_found", res, res_size);
}
break;
case VANISH:
// vanish() -> ok
if (!tcbdbvanish(bdb))
return ei_error(&x, tcbdberrmsg(tcbdbecode(bdb)), res, res_size);
ei_x_encode_atom(&x, "ok");
break;
case BACKUP:
// backup(path::string()) -> ok | {error, Reason}
ei_get_type(buf, &index, &tp, &sz);
if (tp == ERL_STRING_EXT) {
char *file = driver_alloc(sz + 1);
ei_decode_string(buf, &index, file);
if (tcbdbcopy(driver->bdb, file))
ei_x_encode_atom(&x, "ok");
else
return ei_error(&x, tcbdberrmsg(tcbdbecode(bdb)), res, res_size);
} else
return ei_error(&x, "invalid_argument", res, res_size);
break;
default:
return ei_error(&x, "invalid_command", res, res_size);
}
if (res_size < x.index)
(*res) = (char *)driver_alloc(x.index);
int n = x.index;
memcpy(*res, x.buff, x.index);
ei_x_free(&x);
return n;
};
int main(int argc, char **argv){
if (argc != 3) {
std::cerr << "Usage: " << argv[0] << " file dbname" << std::endl;
exit(1);
}
double t1, t2;
FILE *fp = fopen(argv[1], "r");
if (fp == NULL) {
std::cerr << "failed to open " << argv[1] << std::endl;
exit(1);
}
int ecode;
char *key, *value;
t1 = gettimeofday_sec();
TCBDB *bdb = tcbdbnew();
tcbdbtune(bdb, 5, -1, -1, -1, -1, 0);
tcbdbsetcache(bdb, 300, 100);
if (!tcbdbopen(bdb, argv[2], BDBOWRITER | BDBOCREAT)) {
ecode = tcbdbecode(bdb);
fprintf(stderr, "open error: %s\n", tcbdberrmsg(ecode));
}
char buf[256];
while (fgets(buf, 256, fp)) {
char *key = strchr(buf, ' ');
if (key == NULL) { continue; }
*key++ = '\0';
char *valp = strchr(key, ' ');
if (valp == NULL) { continue; }
*valp++ = '\0';
char *val = new char[102401]; // 100K
sprintf(val, "%0102400d", atoi(valp));
int size;
void *data = tcbdbget(bdb, key, strlen(key), &size);
if (data != NULL) {
if (strcmp(val, (char *) data) != 0) {
std::cout << "[error] value incorrect." << std::endl;
}
free(data);
} else {
std::cout << "[error] entry not found." << std::endl;
}
delete [] val;
}
if (!tcbdbclose(bdb)) {
ecode = tcbdbecode(bdb);
fprintf(stderr, "close error: %s\n", tcbdberrmsg(ecode));
}
tcbdbdel(bdb);
t2 = gettimeofday_sec();
std::cout << "get time: " << t2 - t1 << std::endl;
fclose(fp);
return 0;
}
/* tune */
JNIEXPORT jboolean JNICALL Java_tokyocabinet_BDB_tune
(JNIEnv *env, jobject self, jint lmemb, jint nmemb, jlong bnum, jint apow, jint fpow, jint opts){
TCBDB *bdb = (TCBDB *)(intptr_t)(*env)->GetLongField(env, self, bdb_fid_ptr);
return tcbdbtune(bdb, lmemb, nmemb, bnum, apow, fpow, opts);
}
