Adding upstream version 1.44.3.upstream/1.44.3upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 147 insertions, 0 deletions

diff --git a/fluent-bit/lib/librdkafka-2.1.0/tests/0025-timers.c b/fluent-bit/lib/librdkafka-2.1.0/tests/0025-timers.c
new file mode 100644
index 00000000..318fc0a1
--- /dev/null
+++ b/fluent-bit/lib/librdkafka-2.1.0/tests/0025-timers.c
@@ -0,0 +1,147 @@
+/*
+ * 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.
+ */
+
+#include "test.h"
+#include "rdkafka.h"
+
+
+/**
+ * Tests that rdkafka's internal timers behave.
+ */
+
+
+
+struct state {
+        int calls;
+        int64_t ts_last;
+        int interval;
+        int fails;
+};
+
+struct state state;
+
+
+static int stats_cb(rd_kafka_t *rk, char *json, size_t json_len, void *opaque) {
+        const int64_t now = test_clock();
+        /* Fake the first elapsed time since we dont really know how
+         * long rd_kafka_new() takes and at what time the timer is started. */
+        const int64_t elapsed =
+            state.ts_last ? now - state.ts_last : state.interval;
+        const int64_t overshoot = elapsed - state.interval;
+        const int wiggleroom_up =
+            (int)((double)state.interval *
+                  (!strcmp(test_mode, "bare") ? 0.2 : 1.0));
+        const int wiggleroom_down = (int)((double)state.interval * 0.1);
+
+        TEST_SAY("Call #%d: after %" PRId64
+                 "ms, %.0f%% outside "
+                 "interval %" PRId64 "  >-%d <+%d\n",
+                 state.calls, elapsed / 1000,
+                 ((double)overshoot / state.interval) * 100.0,
+                 (int64_t)state.interval / 1000, wiggleroom_down / 1000,
+                 wiggleroom_up / 1000);
+
+        if (overshoot < -wiggleroom_down || overshoot > wiggleroom_up) {
+                TEST_WARN("^ outside range\n");
+                state.fails++;
+        }
+
+        state.ts_last = now;
+        state.calls++;
+
+        return 0;
+}
+
+
+/**
+ * Enable statistics with a set interval, make sure the stats callbacks are
+ * called within reasonable intervals.
+ */
+static void do_test_stats_timer(void) {
+        rd_kafka_t *rk;
+        rd_kafka_conf_t *conf;
+        const int exp_calls = 10;
+        test_timing_t t_new;
+
+        memset(&state, 0, sizeof(state));
+
+        state.interval = 600 * 1000;
+
+        test_conf_init(&conf, NULL, 200);
+
+        test_conf_set(conf, "statistics.interval.ms", "600");
+        test_conf_set(conf, "bootstrap.servers", NULL); /*no need for brokers*/
+        rd_kafka_conf_set_stats_cb(conf, stats_cb);
+
+        TIMING_START(&t_new, "rd_kafka_new()");
+        rk = test_create_handle(RD_KAFKA_CONSUMER, conf);
+        TIMING_STOP(&t_new);
+
+        TEST_SAY(
+            "Starting wait loop for %d expected stats_cb calls "
+            "with an interval of %dms\n",
+            exp_calls, state.interval / 1000);
+
+
+        while (state.calls < exp_calls) {
+                test_timing_t t_poll;
+                TIMING_START(&t_poll, "rd_kafka_poll()");
+                rd_kafka_poll(rk, 100);
+                TIMING_STOP(&t_poll);
+
+                if (TIMING_DURATION(&t_poll) > 150 * 1000)
+                        TEST_WARN(
+                            "rd_kafka_poll(rk,100) "
+                            "took more than 50%% extra\n");
+        }
+
+        rd_kafka_destroy(rk);
+
+        if (state.calls > exp_calls)
+                TEST_SAY("Got more calls than expected: %d > %d\n", state.calls,
+                         exp_calls);
+
+        if (state.fails) {
+                /* We can't rely on CIs giving our test job enough CPU to finish
+                 * in time, so don't error out even if the time is outside
+                 * the window */
+                if (test_on_ci)
+                        TEST_WARN("%d/%d intervals failed\n", state.fails,
+                                  state.calls);
+                else
+                        TEST_FAIL("%d/%d intervals failed\n", state.fails,
+                                  state.calls);
+        } else
+                TEST_SAY("All %d intervals okay\n", state.calls);
+}
+
+
+int main_0025_timers(int argc, char **argv) {
+        do_test_stats_timer();
+        return 0;
+}