/*
 * librdkafka - Apache Kafka C library
 *
 * Copyright (c) 2012-2015, Magnus Edenhill
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef _TESTSHARED_H_
#define _TESTSHARED_H_

/**
 * C variables and functions shared with C++ tests
 */

#ifndef _RDKAFKA_H_
typedef struct rd_kafka_s rd_kafka_t;
typedef struct rd_kafka_conf_s rd_kafka_conf_t;
#endif

/* ANSI color codes */
#define _C_CLR "\033[0m"
#define _C_RED "\033[31m"
#define _C_GRN "\033[32m"
#define _C_YEL "\033[33m"
#define _C_BLU "\033[34m"
#define _C_MAG "\033[35m"
#define _C_CYA "\033[36m"


/** Test logging level (TEST_LEVEL=.. env) */
extern int test_level;

/** Test scenario */
extern char test_scenario[64];

/** @returns the \p msecs timeout multiplied by the test timeout multiplier */
extern int tmout_multip(int msecs);

/** @brief true if tests should run in quick-mode (faster, less data) */
extern int test_quick;

/** @brief Broker version to int */
#define TEST_BRKVER(A, B, C, D) (((A) << 24) | ((B) << 16) | ((C) << 8) | (D))
/** @brief return single version component from int */
#define TEST_BRKVER_X(V, I) (((V) >> (24 - ((I)*8))) & 0xff)

/** @brief Topic Admin API supported by this broker version and later */
#define TEST_BRKVER_TOPIC_ADMINAPI TEST_BRKVER(0, 10, 2, 0)

extern int test_broker_version;
extern int test_on_ci;

const char *test_mk_topic_name(const char *suffix, int randomized);

void test_delete_topic(rd_kafka_t *use_rk, const char *topicname);

void test_create_topic(rd_kafka_t *use_rk,
                       const char *topicname,
                       int partition_cnt,
                       int replication_factor);

void test_create_partitions(rd_kafka_t *use_rk,
                            const char *topicname,
                            int new_partition_cnt);

void test_wait_topic_exists(rd_kafka_t *rk, const char *topic, int tmout);

void test_kafka_cmd(const char *fmt, ...);

uint64_t test_produce_msgs_easy_size(const char *topic,
                                     uint64_t testid,
                                     int32_t partition,
                                     int msgcnt,
                                     size_t size);
#define test_produce_msgs_easy(topic, testid, partition, msgcnt)               \
        test_produce_msgs_easy_size(topic, testid, partition, msgcnt, 0)


void test_fail0(const char *file,
                int line,
                const char *function,
                int do_lock,
                int fail_now,
                const char *fmt,
                ...) RD_FORMAT(printf, 6, 7);



void test_fail0(const char *file,
                int line,
                const char *function,
                int do_lock,
                int fail_now,
                const char *fmt,
                ...) RD_FORMAT(printf, 6, 7);

#define TEST_FAIL0(file, line, do_lock, fail_now, ...)                         \
        test_fail0(__FILE__, __LINE__, __FUNCTION__, do_lock, fail_now,        \
                   __VA_ARGS__)

/* Whine and abort test */
#define TEST_FAIL(...) TEST_FAIL0(__FILE__, __LINE__, 1, 1, __VA_ARGS__)

/* Whine right away, mark the test as failed, but continue the test. */
#define TEST_FAIL_LATER(...) TEST_FAIL0(__FILE__, __LINE__, 1, 0, __VA_ARGS__)

/* Whine right away, maybe mark the test as failed, but continue the test. */
#define TEST_FAIL_LATER0(LATER, ...)                                           \
        TEST_FAIL0(__FILE__, __LINE__, 1, !(LATER), __VA_ARGS__)

#define TEST_FAILCNT() (test_curr->failcnt)

#define TEST_LATER_CHECK(...)                                                  \
        do {                                                                   \
                if (test_curr->state == TEST_FAILED)                           \
                        TEST_FAIL("See previous errors. " __VA_ARGS__);        \
        } while (0)

#define TEST_PERROR(call)                                                      \
        do {                                                                   \
                if (!(call))                                                   \
                        TEST_FAIL(#call " failed: %s", rd_strerror(errno));    \
        } while (0)

#define TEST_WARN(...)                                                         \
        do {                                                                   \
                fprintf(stderr,                                                \
                        "\033[33m[%-28s/%7.3fs] WARN: ", test_curr->name,      \
                        test_curr->start                                       \
                            ? ((float)(test_clock() - test_curr->start) /      \
                               1000000.0f)                                     \
                            : 0);                                              \
                fprintf(stderr, __VA_ARGS__);                                  \
                fprintf(stderr, "\033[0m");                                    \
        } while (0)

/* "..." is a failure reason in printf format, include as much info as needed */
#define TEST_ASSERT(expr, ...)                                                 \
        do {                                                                   \
                if (!(expr)) {                                                 \
                        TEST_FAIL("Test assertion failed: \"" #expr            \
                                  "\": " __VA_ARGS__);                         \
                }                                                              \
        } while (0)


/* "..." is a failure reason in printf format, include as much info as needed */
#define TEST_ASSERT_LATER(expr, ...)                                           \
        do {                                                                   \
                if (!(expr)) {                                                 \
                        TEST_FAIL0(__FILE__, __LINE__, 1, 0,                   \
                                   "Test assertion failed: \"" #expr           \
                                   "\": " __VA_ARGS__);                        \
                }                                                              \
        } while (0)


void test_SAY(const char *file, int line, int level, const char *str);
void test_SKIP(const char *file, int line, const char *str);

void test_timeout_set(int timeout);
int test_set_special_conf(const char *name, const char *val, int *timeoutp);
char *test_conf_get(const rd_kafka_conf_t *conf, const char *name);
const char *test_conf_get_path(void);
const char *test_getenv(const char *env, const char *def);

int test_needs_auth(void);

uint64_t test_id_generate(void);
char *test_str_id_generate(char *dest, size_t dest_size);
const char *test_str_id_generate_tmp(void);

void test_prepare_msg(uint64_t testid,
                      int32_t partition,
                      int msg_id,
                      char *val,
                      size_t val_size,
                      char *key,
                      size_t key_size);
/**
 * Parse a message token
 */
void test_msg_parse00(const char *func,
                      int line,
                      uint64_t testid,
                      int32_t exp_partition,
                      int *msgidp,
                      const char *topic,
                      int32_t partition,
                      int64_t offset,
                      const char *key,
                      size_t key_size);


int test_check_builtin(const char *feature);

/**
 * @returns the current test's name (thread-local)
 */
extern const char *test_curr_name(void);

#ifndef _WIN32
#include <sys/time.h>
#ifndef RD_UNUSED
#define RD_UNUSED __attribute__((unused))
#endif

#else

#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif

#ifndef RD_UNUSED
#define RD_UNUSED
#endif


/**
 * A microsecond monotonic clock
 */
static RD_INLINE int64_t test_clock(void)
#ifndef _MSC_VER
    __attribute__((unused))
#endif
    ;
static RD_INLINE int64_t test_clock(void) {
#ifdef __APPLE__
        /* No monotonic clock on Darwin */
        struct timeval tv;
        gettimeofday(&tv, NULL);
        return ((int64_t)tv.tv_sec * 1000000LLU) + (int64_t)tv.tv_usec;
#elif defined(_WIN32)
        LARGE_INTEGER now;
        static RD_TLS LARGE_INTEGER freq;
        if (!freq.QuadPart)
                QueryPerformanceFrequency(&freq);
        QueryPerformanceCounter(&now);
        return (now.QuadPart * 1000000) / freq.QuadPart;
#else
        struct timespec ts;
        clock_gettime(CLOCK_MONOTONIC, &ts);
        return ((int64_t)ts.tv_sec * 1000000LLU) +
               ((int64_t)ts.tv_nsec / 1000LLU);
#endif
}


typedef struct test_timing_s {
        char name[450];
        int64_t ts_start;
        int64_t duration;
        int64_t ts_every; /* Last every */
} test_timing_t;

/**
 * @brief Start timing, Va-Argument is textual name (printf format)
 */
#define TIMING_RESTART(TIMING)                                                 \
        do {                                                                   \
                (TIMING)->ts_start = test_clock();                             \
                (TIMING)->duration = 0;                                        \
        } while (0)

#define TIMING_START(TIMING, ...)                                              \
        do {                                                                   \
                rd_snprintf((TIMING)->name, sizeof((TIMING)->name),            \
                            __VA_ARGS__);                                      \
                TIMING_RESTART(TIMING);                                        \
                (TIMING)->ts_every = (TIMING)->ts_start;                       \
        } while (0)

#define TIMING_STOPPED(TIMING) ((TIMING)->duration != 0)

#ifndef __cplusplus
#define TIMING_STOP(TIMING)                                                    \
        do {                                                                   \
                (TIMING)->duration = test_clock() - (TIMING)->ts_start;        \
                TEST_SAY("%s: duration %.3fms\n", (TIMING)->name,              \
                         (float)(TIMING)->duration / 1000.0f);                 \
        } while (0)
#define TIMING_REPORT(TIMING)                                                  \
        TEST_SAY("%s: duration %.3fms\n", (TIMING)->name,                      \
                 (float)(TIMING)->duration / 1000.0f);

#else
#define TIMING_STOP(TIMING)                                                    \
        do {                                                                   \
                char _str[512];                                                \
                (TIMING)->duration = test_clock() - (TIMING)->ts_start;        \
                rd_snprintf(_str, sizeof(_str), "%s: duration %.3fms\n",       \
                            (TIMING)->name,                                    \
                            (float)(TIMING)->duration / 1000.0f);              \
                Test::Say(_str);                                               \
        } while (0)

#endif

#define TIMING_DURATION(TIMING)                                                \
        ((TIMING)->duration ? (TIMING)->duration                               \
                            : (test_clock() - (TIMING)->ts_start))

#define TIMING_ASSERT0(TIMING, DO_FAIL_LATER, TMIN_MS, TMAX_MS)                \
        do {                                                                   \
                if (!TIMING_STOPPED(TIMING))                                   \
                        TIMING_STOP(TIMING);                                   \
                int _dur_ms = (int)TIMING_DURATION(TIMING) / 1000;             \
                if (TMIN_MS <= _dur_ms && _dur_ms <= TMAX_MS)                  \
                        break;                                                 \
                if (test_on_ci || strcmp(test_mode, "bare"))                   \
                        TEST_WARN(                                             \
                            "%s: expected duration %d <= %d <= %d ms%s\n",     \
                            (TIMING)->name, TMIN_MS, _dur_ms, TMAX_MS,         \
                            ": not FAILING test on CI");                       \
                else                                                           \
                        TEST_FAIL_LATER0(                                      \
                            DO_FAIL_LATER,                                     \
                            "%s: expected duration %d <= %d <= %d ms",         \
                            (TIMING)->name, TMIN_MS, _dur_ms, TMAX_MS);        \
        } while (0)

#define TIMING_ASSERT(TIMING, TMIN_MS, TMAX_MS)                                \
        TIMING_ASSERT0(TIMING, 0, TMIN_MS, TMAX_MS)
#define TIMING_ASSERT_LATER(TIMING, TMIN_MS, TMAX_MS)                          \
        TIMING_ASSERT0(TIMING, 1, TMIN_MS, TMAX_MS)

/* Trigger something every US microseconds. */
static RD_UNUSED int TIMING_EVERY(test_timing_t *timing, int us) {
        int64_t now = test_clock();
        if (timing->ts_every + us <= now) {
                timing->ts_every = now;
                return 1;
        }
        return 0;
}


/**
 * Sub-tests
 */
int test_sub_start(const char *func,
                   int line,
                   int is_quick,
                   const char *fmt,
                   ...);
void test_sub_pass(void);
void test_sub_skip(const char *fmt, ...) RD_FORMAT(printf, 1, 2);

#define SUB_TEST0(IS_QUICK, ...)                                               \
        do {                                                                   \
                if (!test_sub_start(__FUNCTION__, __LINE__, IS_QUICK,          \
                                    __VA_ARGS__))                              \
                        return;                                                \
        } while (0)

#define SUB_TEST(...)       SUB_TEST0(0, "" __VA_ARGS__)
#define SUB_TEST_QUICK(...) SUB_TEST0(1, "" __VA_ARGS__)
#define SUB_TEST_PASS()     test_sub_pass()
#define SUB_TEST_SKIP(...)                                                     \
        do {                                                                   \
                test_sub_skip(__VA_ARGS__);                                    \
                return;                                                        \
        } while (0)


#ifndef _WIN32
#define rd_sleep(S) sleep(S)
#else
#define rd_sleep(S) Sleep((S)*1000)
#endif

/* Make sure __SANITIZE_ADDRESS__ (gcc) is defined if compiled with asan */
#if !defined(__SANITIZE_ADDRESS__) && defined(__has_feature)
#if __has_feature(address_sanitizer)
#define __SANITIZE_ADDRESS__ 1
#endif
#endif


int test_run_java(const char *cls, const char **argv);
int test_waitpid(int pid);
#endif /* _TESTSHARED_H_ */
