/*-
 * Public Domain 2014-2019 MongoDB, Inc.
 * Public Domain 2008-2014 WiredTiger, Inc.
 *
 * This is free and unencumbered software released into the public domain.
 *
 * Anyone is free to copy, modify, publish, use, compile, sell, or
 * distribute this software, either in source code form or as a compiled
 * binary, for any purpose, commercial or non-commercial, and by any
 * means.
 *
 * In jurisdictions that recognize copyright laws, the author or authors
 * of this software dedicate any and all copyright interest in the
 * software to the public domain. We make this dedication for the benefit
 * of the public at large and to the detriment of our heirs and
 * successors. We intend this dedication to be an overt act of
 * relinquishment in perpetuity of all present and future rights to this
 * software under copyright law.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#include "thread.h"

bool use_txn;            /* Operations with user txn */
WT_CONNECTION *conn;     /* WiredTiger connection */
pthread_rwlock_t single; /* Single thread */
u_int nops;              /* Operations */
const char *uri;         /* Object */
const char *config;      /* Object config */

static FILE *logfp; /* Log file */

static char home[512];

static int handle_error(WT_EVENT_HANDLER *, WT_SESSION *, int, const char *);
static int handle_message(WT_EVENT_HANDLER *, WT_SESSION *, const char *);
static void onint(int) WT_GCC_FUNC_DECL_ATTRIBUTE((noreturn));
static void shutdown(void);
static int usage(void);
static void wt_startup(char *);
static void wt_shutdown(void);

extern int __wt_optind;
extern char *__wt_optarg;

int
main(int argc, char *argv[])
{
    static struct config {
        const char *uri;
        const char *desc;
        const char *config;
    } * cp, configs[] = {{"file:wt", NULL, NULL}, {"table:wt", NULL, NULL},
/* Configure for a modest cache size. */
#define LSM_CONFIG "lsm=(chunk_size=1m,merge_max=2),leaf_page_max=4k"
              {"lsm:wt", NULL, LSM_CONFIG}, {"table:wt", " [lsm]", "type=lsm," LSM_CONFIG},
              {NULL, NULL, NULL}};
    u_int nthreads;
    int ch, cnt, runs;
    char *config_open, *working_dir;

    (void)testutil_set_progname(argv);

    testutil_check(pthread_rwlock_init(&single, NULL));

    nops = 1000;
    nthreads = 10;
    runs = 1;
    use_txn = false;
    config_open = working_dir = NULL;
    while ((ch = __wt_getopt(progname, argc, argv, "C:h:l:n:r:t:x")) != EOF)
        switch (ch) {
        case 'C': /* wiredtiger_open config */
            config_open = __wt_optarg;
            break;
        case 'h':
            working_dir = __wt_optarg;
            break;
        case 'l': /* log */
            if ((logfp = fopen(__wt_optarg, "w")) == NULL) {
                fprintf(stderr, "%s: %s\n", __wt_optarg, strerror(errno));
                return (EXIT_FAILURE);
            }
            break;
        case 'n': /* operations */
            nops = (u_int)atoi(__wt_optarg);
            break;
        case 'r': /* runs */
            runs = atoi(__wt_optarg);
            break;
        case 't':
            nthreads = (u_int)atoi(__wt_optarg);
            break;
        case 'x':
            use_txn = true;
            break;
        default:
            return (usage());
        }

    argc -= __wt_optind;
    if (argc != 0)
        return (usage());

    testutil_work_dir_from_path(home, 512, working_dir);

    /* Clean up on signal. */
    (void)signal(SIGINT, onint);

    printf("%s: process %" PRIu64 "\n", progname, (uint64_t)getpid());
    for (cnt = 1; runs == 0 || cnt <= runs; ++cnt) {
        shutdown(); /* Clean up previous runs */

        for (cp = configs; cp->uri != NULL; ++cp) {
            uri = cp->uri;
            config = cp->config;
            printf(
              "%5d: %u threads on %s%s\n", cnt, nthreads, uri, cp->desc == NULL ? "" : cp->desc);

            wt_startup(config_open);

            fop_start(nthreads);

            wt_shutdown();
            printf("\n");
        }
    }
    return (0);
}

/*
 * wt_startup --
 *     Configure the WiredTiger connection.
 */
static void
wt_startup(char *config_open)
{
    static WT_EVENT_HANDLER event_handler = {
      handle_error, handle_message, NULL, NULL /* Close handler. */
    };
    char config_buf[128];

    testutil_make_work_dir(home);

    testutil_check(__wt_snprintf(config_buf, sizeof(config_buf),
      "create,error_prefix=\"%s\",cache_size=5MB%s%s,"
      "operation_tracking=(enabled=false)",
      progname, config_open == NULL ? "" : ",", config_open == NULL ? "" : config_open));
    testutil_check(wiredtiger_open(home, &event_handler, config_buf, &conn));
}

/*
 * wt_shutdown --
 *     Flush the file to disk and shut down the WiredTiger connection.
 */
static void
wt_shutdown(void)
{
    testutil_check(conn->close(conn, NULL));
}

/*
 * shutdown --
 *     Clean up from previous runs.
 */
static void
shutdown(void)
{
    testutil_clean_work_dir(home);
}

static int
handle_error(WT_EVENT_HANDLER *handler, WT_SESSION *session, int error, const char *errmsg)
{
    (void)(handler);
    (void)(session);
    (void)(error);

    /* Ignore complaints about missing files. */
    if (error == ENOENT)
        return (0);

    /* Ignore complaints about failure to open bulk cursors. */
    if (strstr(errmsg, "bulk-load is only supported on newly created") != NULL)
        return (0);

    return (fprintf(stderr, "%s\n", errmsg) < 0 ? -1 : 0);
}

static int
handle_message(WT_EVENT_HANDLER *handler, WT_SESSION *session, const char *message)
{
    (void)(handler);
    (void)(session);

    /* Ignore messages about failing to create forced checkpoints. */
    if (strstr(message, "forced or named checkpoint") != NULL)
        return (0);

    if (logfp != NULL)
        return (fprintf(logfp, "%s\n", message) < 0 ? -1 : 0);

    return (printf("%s\n", message) < 0 ? -1 : 0);
}

/*
 * onint --
 *     Interrupt signal handler.
 */
static void
onint(int signo)
{
    (void)(signo);

    shutdown();

    fprintf(stderr, "\n");
    exit(EXIT_FAILURE);
}

/*
 * usage --
 *     Display usage statement and exit failure.
 */
static int
usage(void)
{
    fprintf(stderr,
      "usage: %s "
      "[-C wiredtiger-config] [-l log] [-n ops] [-r runs] [-t threads] "
      "[-x] \n",
      progname);
    fprintf(stderr, "%s",
      "\t-C specify wiredtiger_open configuration arguments\n"
      "\t-h home (default 'WT_TEST')\n"
      "\t-l specify a log file\n"
      "\t-n set number of operations each thread does\n"
      "\t-r set number of runs\n"
      "\t-t set number of threads\n"
      "\t-x operations within user transaction \n");
    return (EXIT_FAILURE);
}