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|
/*
* Adapted from JDBCBench.java
*/
#ifdef _WIN32
#include <windows.h>
#include <process.h>
#else
#include <sys/types.h>
#include <sys/time.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#include <sys/wait.h>
#include <unistd.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sql.h>
#include <sqlext.h>
#include <sqltypes.h>
/* tpc bm b scaling rules */
static int tps = 1; /* the tps scaling factor: here it is 1 */
static int nbranches = 1; /* number of branches in 1 tps db */
static int ntellers = 10; /* number of tellers in 1 tps db */
static int naccounts = 100000; /* number of accounts in 1 tps db */
static char *dsn = NULL;
#define TELLER 0
#define BRANCH 1
#define ACCOUNT 2
static int *failed_transactions = NULL;
static int *transaction_count = NULL;
static int n_clients = 10;
static int n_txn_per_client = 10;
#ifdef _WIN32
static int start_time;
#else
static struct timeval start_time;
#endif
static int transactions = 0;
static int verbose = 0;
#ifdef _WIN32
static int shm[200];
#else
static int shmid;
static int *shm = NULL;
#endif
static void incrementTransactionCount()
{
if (transaction_count) {
(*transaction_count)++;
}
}
static void incrementFailedTransactionCount()
{
if (failed_transactions) {
(*failed_transactions)++;
}
}
static int getRandomInt(int lo, int hi)
{
int ret = 0;
ret = rand() % (hi - lo + 1);
ret += lo;
return ret;
}
static int getRandomID(int type)
{
int min, max, num;
max = min = 0;
num = naccounts;
switch(type) {
case TELLER:
min += nbranches;
num = ntellers;
/* FALLTHROUGH */
case BRANCH:
if (type == BRANCH) {
num = nbranches;
}
min += naccounts;
/* FALLTHROUGH */
case ACCOUNT:
max = min + num - 1;
}
return (getRandomInt(min, max));
}
static void reportDone()
{
#ifdef _WIN32
int end_time;
#else
struct timeval end_time;
#endif
double completion_time;
double rate;
#ifdef _WIN32
end_time = GetTickCount();
completion_time = (double) (end_time - start_time) * 0.001;
#else
gettimeofday(&end_time, NULL);
completion_time = (double) end_time.tv_sec +
0.000001 * end_time.tv_usec -
((double) start_time.tv_sec +
0.000001 * start_time.tv_usec);
#endif
fprintf(stdout, "Benchmark Report\n");
fprintf(stdout, "Featuring ");
fprintf(stdout, "<direct queries> ");
if (transactions < -1) {
fprintf(stdout, "<commit each 100 transactions> ");
} else if (transactions < 0) {
fprintf(stdout, "<one big transaction> ");
} else if (transactions > 0) {
fprintf(stdout, "<transactions> ");
} else {
fprintf(stdout, "<auto-commit> ");
}
fprintf(stdout, "\n--------------------\n");
fprintf(stdout, "Time to execute %d transactions: %g seconds.\n",
*transaction_count, completion_time);
fprintf(stdout, "%d/%d failed complete.\n",
*failed_transactions, *transaction_count);
rate = (*transaction_count - *failed_transactions) / completion_time;
fprintf(stdout, "Transaction rate: %g txn/sec.\n", rate);
fflush(stdout);
*transaction_count = 0;
*failed_transactions = 0;
}
static void createDatabase()
{
int dotrans = 0, i;
long accountsnb = 0;
SQLHENV env;
SQLHDBC dbc;
SQLRETURN rc;
SQLHSTMT s;
char sqlbuf[1024];
rc = SQLAllocEnv(&env);
if (!SQL_SUCCEEDED(rc)) {
fprintf(stderr, "AllocEnv failed\n");
exit(1);
}
rc = SQLAllocConnect(env, &dbc);
if (!SQL_SUCCEEDED(rc)) {
fprintf(stderr, "AllocConnect failed\n");
exit(1);
}
rc = SQLDriverConnect(dbc, NULL, (SQLCHAR *) dsn, SQL_NTS, NULL, 0, NULL,
SQL_DRIVER_COMPLETE | SQL_DRIVER_NOPROMPT);
if (!SQL_SUCCEEDED(rc)) {
fprintf(stderr, "DriverConnect failed\n");
exit(1);
}
rc = SQLSetConnectOption(dbc, SQL_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF);
if (SQL_SUCCEEDED(rc)) {
dotrans = 1;
}
rc = SQLAllocStmt(dbc, &s);
if (!SQL_SUCCEEDED(rc)) {
fprintf(stderr, "AllocStmt failed\n");
exit(1);
}
rc = SQLExecDirect(s, (SQLCHAR *) "SELECT count(*) FROM accounts",
SQL_NTS);
if (SQL_SUCCEEDED(rc)) {
rc = SQLFetch(s);
if (SQL_SUCCEEDED(rc)) {
rc = SQLGetData(s, 1, SQL_C_LONG, &accountsnb,
sizeof (accountsnb), NULL);
if (SQL_SUCCEEDED(rc)) {
if (dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
SQLFreeStmt(s, SQL_DROP);
if (accountsnb == naccounts * tps) {
fprintf(stdout, "Already initialized\n");
fflush(stdout);
goto done;
}
}
}
SQLTransact(NULL, dbc, SQL_COMMIT);
}
SQLFreeStmt(s, SQL_CLOSE);
fprintf(stdout, "Drop old tables if they exist\n");
fflush(stdout);
rc = SQLExecDirect(s, (SQLCHAR *) "DROP TABLE history", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
if (SQL_SUCCEEDED(rc) && dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
rc = SQLExecDirect(s, (SQLCHAR *) "DROP TABLE accounts", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
if (SQL_SUCCEEDED(rc) && dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
rc = SQLExecDirect(s, (SQLCHAR *) "DROP TABLE tellers", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
if (SQL_SUCCEEDED(rc) && dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
rc = SQLExecDirect(s, (SQLCHAR *) "DROP TABLE branches", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
if (SQL_SUCCEEDED(rc) && dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
fprintf(stdout, "Create tables\n");
fflush(stdout);
rc = SQLExecDirect(s, (SQLCHAR *)
"CREATE TABLE branches ("
"Bid INTEGER NOT NULL PRIMARY KEY, "
"Bbalance INTEGER, "
"filler CHAR(88))", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
rc = SQLExecDirect(s, (SQLCHAR *)
"CREATE TABLE tellers ("
"Tid INTEGER NOT NULL PRIMARY KEY, "
"Bid INTEGER, "
"Tbalance INTEGER, "
"filler CHAR(84))", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
rc = SQLExecDirect(s, (SQLCHAR *)
"CREATE TABLE accounts ("
"Aid INTEGER NOT NULL PRIMARY KEY, "
"Bid INTEGER, "
"Abalance INTEGER, "
"filler CHAR(84))", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
rc = SQLExecDirect(s, (SQLCHAR *)
"CREATE TABLE history ("
"Tid INTEGER, "
"Bid INTEGER, "
"Aid INTEGER, "
"delta INTEGER, "
"tstime TIMESTAMP, "
"filler CHAR(22))", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
fprintf(stdout, "Delete elements in table in case DROP didn't work\n");
fflush(stdout);
rc = SQLExecDirect(s, (SQLCHAR *) "DELETE FROM history", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
rc = SQLExecDirect(s, (SQLCHAR *) "DELETE FROM accounts", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
rc = SQLExecDirect(s, (SQLCHAR *) "DELETE FROM tellers", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
rc = SQLExecDirect(s, (SQLCHAR *) "DELETE FROM branches", SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
if (dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
fprintf(stdout, "Insert data in branches table\n");
fflush(stdout);
for (i = 0; i < nbranches * tps; i++) {
sprintf(sqlbuf, "INSERT INTO branches(Bid,Bbalance) "
"VALUES (%d,0)", i);
rc = SQLExecDirect(s, (SQLCHAR *) sqlbuf, SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
if (i % 100 == 0 && dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
}
if (dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
fprintf(stdout, "Insert data in tellers table\n");
fflush(stdout);
for (i = 0; i < ntellers * tps; i++) {
sprintf(sqlbuf, "INSERT INTO tellers(Tid,Bid,Tbalance) "
"VALUES (%d,%d,0)", i, i / ntellers);
rc = SQLExecDirect(s, (SQLCHAR *) sqlbuf, SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
if (i % 100 == 0 && dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
}
if (dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
fprintf(stdout, "Insert data in accounts table\n");
fflush(stdout);
for (i = 0; i < naccounts * tps; i++) {
sprintf(sqlbuf, "INSERT INTO accounts(Aid,Bid,Abalance) "
"VALUES (%d,%d,0)", i, i / naccounts);
rc = SQLExecDirect(s, (SQLCHAR *) sqlbuf, SQL_NTS);
SQLFreeStmt(s, SQL_CLOSE);
if (i % 10000 == 0 && dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
if (i > 0 && i % 10000 == 0) {
fprintf(stdout,"\t%d\trecords inserted\n", i);
fflush(stdout);
}
}
if (dotrans) {
SQLTransact(NULL, dbc, SQL_COMMIT);
}
fprintf(stdout, "\t%d\trecords inserted\n", naccounts * tps);
fflush(stdout);
SQLFreeStmt(s, SQL_DROP);
done:
SQLDisconnect(dbc);
SQLFreeConnect(dbc);
SQLFreeEnv(env);
}
static void doOne(HDBC dbc, int bid, int tid, int aid, int delta)
{
long aBalance = 0;
SQLRETURN rc;
SQLHSTMT s;
SQLSMALLINT ncols;
char sqlbuf[1024];
if (dbc == SQL_NULL_HDBC) {
incrementFailedTransactionCount();
return;
}
rc = SQLAllocStmt(dbc, &s);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "doOne: fail#1 rc=%d\n", rc);
}
return;
}
sprintf(sqlbuf, "UPDATE accounts "
"SET Abalance = Abalance + %d WHERE Aid = %d",
delta, aid);
rc = SQLExecDirect(s, (SQLCHAR *) sqlbuf, SQL_NTS);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "doOne: fail#2 rc=%d\n", rc);
}
goto transfail;
}
SQLFreeStmt(s, SQL_CLOSE);
sprintf(sqlbuf, "SELECT Abalance "
"FROM accounts WHERE Aid = %d", aid);
rc = SQLExecDirect(s, (SQLCHAR *) sqlbuf, SQL_NTS);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "doOne: fail#3 rc=%d\n", rc);
}
goto transfail;
}
rc = SQLNumResultCols(s, &ncols);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "doOne: fail#4 rc=%d\n", rc);
}
goto transfail;
}
rc = SQLFetch(s);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "doOne: fail#5 rc=%d\n", rc);
}
goto transfail;
}
rc = SQLGetData(s, 1, SQL_C_LONG, &aBalance, sizeof (aBalance),
NULL);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "doOne: fail#6 rc=%d\n", rc);
}
goto transfail;
}
SQLFreeStmt(s, SQL_CLOSE);
sprintf(sqlbuf, "UPDATE tellers "
"SET Tbalance = Tbalance + %d WHERE Tid = %d",
delta, tid);
rc = SQLExecDirect(s, (SQLCHAR *) sqlbuf, SQL_NTS);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "doOne: fail#7 rc=%d\n", rc);
}
goto transfail;
}
SQLFreeStmt(s, SQL_CLOSE);
sprintf(sqlbuf, "UPDATE branches "
"SET Bbalance = Bbalance + %d WHERE Bid = %d",
delta, bid);
rc = SQLExecDirect(s, (SQLCHAR *) sqlbuf, SQL_NTS);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "doOne: fail#8 rc=%d\n", rc);
}
goto transfail;
}
SQLFreeStmt(s, SQL_CLOSE);
sprintf(sqlbuf, "INSERT INTO history"
"(Tid, Bid, Aid, delta) VALUES"
"(%d, %d, %d, %d)",
tid, bid, aid, delta);
rc = SQLExecDirect(s, (SQLCHAR *) sqlbuf, SQL_NTS);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "doOne: fail#9 rc=%d\n", rc);
}
goto transfail;
}
SQLFreeStmt(s, SQL_CLOSE);
if (transactions > 0) {
rc = SQLTransact(NULL, dbc, SQL_COMMIT);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "doOne: fail#10 rc=%d\n", rc);
}
goto transfail;
}
}
SQLFreeStmt(s, SQL_DROP);
return;
transfail:
incrementFailedTransactionCount();
SQLTransact(NULL, dbc, SQL_ROLLBACK);
SQLFreeStmt(s, SQL_DROP);
}
#ifdef _WIN32
static unsigned __stdcall runClientThread(void *args)
#else
static int runClientThread(void *args)
#endif
{
SQLHENV env;
SQLHDBC dbc;
SQLRETURN rc;
int ntrans = n_txn_per_client;
rc = SQLAllocEnv(&env);
if (!SQL_SUCCEEDED(rc)) {
fprintf(stderr, "AllocEnv failed\n");
return 1;
}
rc = SQLAllocConnect(env, &dbc);
if (!SQL_SUCCEEDED(rc)) {
fprintf(stderr, "AllocConnect failed\n");
return 1;
}
rc = SQLDriverConnect(dbc, NULL, (SQLCHAR *) dsn, SQL_NTS, NULL, 0, NULL,
SQL_DRIVER_COMPLETE | SQL_DRIVER_NOPROMPT);
if (!SQL_SUCCEEDED(rc)) {
fprintf(stderr, "DriverConnect failed\n");
return 1;
}
if (transactions) {
rc = SQLSetConnectOption(dbc, SQL_AUTOCOMMIT, SQL_AUTOCOMMIT_OFF);
if (!SQL_SUCCEEDED(rc)) {
fprintf(stderr, "SetConnectOption(autocommit=off) failed\n");
return 1;
}
}
while (ntrans-- > 0) {
int account = getRandomID(ACCOUNT);
int branch = getRandomID(BRANCH);
int teller = getRandomID(TELLER);
int delta = getRandomInt(0,1000);
doOne(dbc, branch, teller, account, delta);
if (transactions < -1 && ntrans > 0 && ntrans % 100 == 0) {
rc = SQLTransact(NULL, dbc, SQL_COMMIT);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "runClientThread: COMMIT failed rc=%d\n",
rc);
}
incrementFailedTransactionCount();
SQLTransact(NULL, dbc, SQL_ROLLBACK);
}
}
incrementTransactionCount();
}
if (transactions < 0) {
rc = SQLTransact(NULL, dbc, SQL_COMMIT);
if (!SQL_SUCCEEDED(rc)) {
if (verbose) {
fprintf(stderr, "runClientThread: final COMMIT failed rc=%d\n",
rc);
}
incrementFailedTransactionCount();
SQLTransact(NULL, dbc, SQL_ROLLBACK);
}
}
SQLDisconnect(dbc);
SQLFreeConnect(dbc);
SQLFreeEnv(env);
return 0;
}
int main(int argc, char **argv)
{
int init_db = 0, i;
#ifdef _WIN32
HANDLE *pids;
#else
pid_t *pids;
#endif
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-clients") == 0) {
if (i + 1 < argc) {
i++;
n_clients = strtol(argv[i], NULL, 0);
}
} else if (strcmp(argv[i], "-dsn") == 0) {
if (i + 1 < argc) {
i++;
dsn = argv[i];
}
} else if (strcmp(argv[i], "-tpc") == 0) {
if (i + 1 < argc) {
i++;
n_txn_per_client = strtol(argv[i], NULL, 0);
}
} else if (strcmp(argv[i], "-init") == 0) {
init_db = 1;
} else if (strcmp(argv[i], "-tps") == 0) {
if (i + 1 < argc) {
i++;
tps = strtol(argv[i], NULL, 0);
}
} else if (strcmp(argv[i], "-v") == 0) {
verbose++;
}
}
if (dsn == NULL) {
fprintf(stderr, "usage: %s -dsn DSN [-v] [-init] "
"[-tpc n] [-clients]\n\n", argv[0]);
fprintf(stderr, "-v verbose error messages\n");
fprintf(stderr, "-init initialize the tables\n");
fprintf(stderr, "-tpc transactions per client\n");
fprintf(stderr, "-clients number of simultaneous clients\n");
exit(1);
}
fprintf(stdout, "Scale factor value: %d\n", tps);
fprintf(stdout, "Number of clients: %d\n", n_clients);
fprintf(stdout, "Number of transactions per client: %d\n\n",
n_txn_per_client);
fflush(stdout);
if (init_db) {
fprintf(stdout, "Initializing dataset...\n");
createDatabase();
fprintf(stdout, "done.\n\n");
fflush(stdout);
}
#ifndef _WIN32
shmid = shmget(IPC_PRIVATE, 2 * sizeof (int), IPC_CREAT | 0666);
shm = shmat(shmid, NULL, 0);
#endif
transaction_count = &shm[0];
failed_transactions = &shm[1];
*transaction_count = 0;
*failed_transactions = 0;
#ifdef _WIN32
pids = malloc(n_clients * sizeof (HANDLE));
#else
pids = malloc(n_clients * sizeof (pid_t));
#endif
if (pids == NULL) {
fprintf(stderr, "malloc failed\n");
exit(2);
}
fprintf(stdout, "Starting Benchmark Run\n");
transactions = 0;
#ifdef _WIN32
start_time = GetTickCount();
#else
gettimeofday(&start_time, NULL);
#endif
if (n_clients < 2) {
runClientThread(NULL);
} else {
#ifdef _WIN32
for (i = 0; i < n_clients; i++) {
unsigned tid;
pids[i] = (HANDLE) _beginthreadex(NULL, 0,runClientThread,
NULL, 0, &tid);
}
for (i = 0; i < n_clients; i++) {
WaitForSingleObject(pids[i], INFINITE);
CloseHandle(pids[i]);
}
#else
for (i = 0; i < n_clients; i++) {
pid_t child = fork();
switch (child) {
case 0:
return runClientThread(NULL);
default:
pids[i] = child;
}
}
for (i = 0; i < n_clients; i++) {
int status;
waitpid(pids[i], &status, 0);
}
#endif
}
reportDone();
transactions = 1;
#ifdef _WIN32
start_time = GetTickCount();
#else
gettimeofday(&start_time, NULL);
#endif
if (n_clients < 2) {
runClientThread(NULL);
} else {
#ifdef _WIN32
for (i = 0; i < n_clients; i++) {
unsigned tid;
pids[i] = (HANDLE) _beginthreadex(NULL, 0,runClientThread,
NULL, 0, &tid);
}
for (i = 0; i < n_clients; i++) {
WaitForSingleObject(pids[i], INFINITE);
CloseHandle(pids[i]);
}
#else
for (i = 0; i < n_clients; i++) {
pid_t child = fork();
switch (child) {
case 0:
return runClientThread(NULL);
default:
pids[i] = child;
}
}
for (i = 0; i < n_clients; i++) {
int status;
waitpid(pids[i], &status, 0);
}
#endif
}
reportDone();
transactions = -1;
#ifdef _WIN32
start_time = GetTickCount();
#else
gettimeofday(&start_time, NULL);
#endif
if (n_clients < 2) {
runClientThread(NULL);
} else {
#ifdef _WIN32
for (i = 0; i < n_clients; i++) {
unsigned tid;
pids[i] = (HANDLE) _beginthreadex(NULL, 0,runClientThread,
NULL, 0, &tid);
}
for (i = 0; i < n_clients; i++) {
WaitForSingleObject(pids[i], INFINITE);
CloseHandle(pids[i]);
}
#else
for (i = 0; i < n_clients; i++) {
pid_t child = fork();
switch (child) {
case 0:
return runClientThread(NULL);
default:
pids[i] = child;
}
}
for (i = 0; i < n_clients; i++) {
int status;
waitpid(pids[i], &status, 0);
}
#endif
}
reportDone();
transactions = -2;
#ifdef _WIN32
start_time = GetTickCount();
#else
gettimeofday(&start_time, NULL);
#endif
if (n_clients < 2) {
runClientThread(NULL);
} else {
#ifdef _WIN32
for (i = 0; i < n_clients; i++) {
unsigned tid;
pids[i] = (HANDLE) _beginthreadex(NULL, 0,runClientThread,
NULL, 0, &tid);
}
for (i = 0; i < n_clients; i++) {
WaitForSingleObject(pids[i], INFINITE);
CloseHandle(pids[i]);
}
#else
for (i = 0; i < n_clients; i++) {
pid_t child = fork();
switch (child) {
case 0:
return runClientThread(NULL);
default:
pids[i] = child;
}
}
for (i = 0; i < n_clients; i++) {
int status;
waitpid(pids[i], &status, 0);
}
#endif
}
reportDone();
return 0;
}
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