1 files changed, 587 insertions, 0 deletions
diff --git a/fluent-bit/tests/runtime/out_lib.c b/fluent-bit/tests/runtime/out_lib.c
new file mode 100644
index 00000000..580a480f
--- /dev/null
+++ b/fluent-bit/tests/runtime/out_lib.c
@@ -0,0 +1,587 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+
+/*  Fluent Bit
+ *  ==========
+ *  Copyright (C) 2019-2022 The Fluent Bit Authors
+ *  Copyright (C) 2015-2018 Treasure Data Inc.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+#include <fluent-bit.h>
+#include <fluent-bit/flb_compat.h>
+#include <fluent-bit/flb_time.h>
+#include <float.h>
+#include <math.h>
+#include "flb_tests_runtime.h"
+
+struct test_ctx {
+    flb_ctx_t *flb;    /* Fluent Bit library context */
+    int i_ffd;         /* Input fd  */
+    int f_ffd;         /* Filter fd (unused) */
+    int o_ffd;         /* Output fd */
+};
+
+
+pthread_mutex_t result_mutex = PTHREAD_MUTEX_INITIALIZER;
+int num_output = 0;
+static int get_output_num()
+{
+    int ret;
+    pthread_mutex_lock(&result_mutex);
+    ret = num_output;
+    pthread_mutex_unlock(&result_mutex);
+
+    return ret;
+}
+
+static void set_output_num(int num)
+{
+    pthread_mutex_lock(&result_mutex);
+    num_output = num;
+    pthread_mutex_unlock(&result_mutex);
+}
+
+static void clear_output_num()
+{
+    set_output_num(0);
+}
+
+void wait_with_timeout(uint32_t timeout_ms, int *output_num)
+{
+    struct flb_time start_time;
+    struct flb_time end_time;
+    struct flb_time diff_time;
+    uint64_t elapsed_time_flb = 0;
+
+    flb_time_get(&start_time);
+
+    while (true) {
+        *output_num = get_output_num();
+
+        if (*output_num > 0) {
+            break;
+        }
+
+        flb_time_msleep(100);
+        flb_time_get(&end_time);
+        flb_time_diff(&end_time, &start_time, &diff_time);
+        elapsed_time_flb = flb_time_to_nanosec(&diff_time) / 1000000;
+
+        if (elapsed_time_flb > timeout_ms) {
+            flb_warn("[timeout] elapsed_time: %ld", elapsed_time_flb);
+            // Reached timeout.
+            break;
+        }
+    }
+}
+
+struct str_list {
+    size_t size;
+    char **lists;
+};
+
+/* Callback to check expected results */
+static int cb_check_json_str_list(void *record, size_t size, void *data)
+{
+    char *p;
+    char *result;
+    int num = get_output_num();
+    size_t i;
+    struct str_list *l = (struct str_list*)data;
+
+    if (!TEST_CHECK(l != NULL)) {
+        TEST_MSG("Data is NULL");
+        flb_free(record);
+        return 0;
+    }
+
+    set_output_num(num+1);
+
+    result = (char *) record;
+
+    for (i=0; i<l->size; i++) {
+        p = strstr(result, l->lists[i]);
+        if(!TEST_CHECK(p != NULL)) {
+            TEST_MSG("Expected to find: '%s' in result '%s'",
+                     l->lists[i], result);
+        }
+    }
+
+    /*
+     * If you want to debug your test
+     *
+     * printf("Expect: '%s' in result '%s'", expected, result);
+     */
+    flb_free(record);
+    return 0;
+}
+
+static int msgpack_strncmp(char* str, size_t str_len, msgpack_object obj)
+{
+    int ret = -1;
+
+    if (str == NULL) {
+        flb_error("str is NULL");
+        return -1;
+    }
+
+    switch (obj.type)  {
+    case MSGPACK_OBJECT_STR:
+        if (obj.via.str.size != str_len) {
+            return -1;
+        }
+        ret = strncmp(str, obj.via.str.ptr, str_len);
+        break;
+    case MSGPACK_OBJECT_POSITIVE_INTEGER:
+        {
+            unsigned long val = strtoul(str, NULL, 10);
+            if (val == (unsigned long)obj.via.u64) {
+                ret = 0;
+            }
+        }
+        break;
+    case MSGPACK_OBJECT_NEGATIVE_INTEGER:
+        {
+            long long val = strtoll(str, NULL, 10);
+            if (val == (unsigned long)obj.via.i64) {
+                ret = 0;
+            }
+        }
+        break;
+    case MSGPACK_OBJECT_FLOAT32:
+    case MSGPACK_OBJECT_FLOAT64:
+        {
+            double val = strtod(str, NULL);
+            if (fabs(val - obj.via.f64) < DBL_EPSILON) {
+                ret = 0;
+            }
+        }
+        break;
+    case MSGPACK_OBJECT_BOOLEAN:
+        if (obj.via.boolean) {
+            if (str_len != 4 /*true*/) {
+                return -1;
+            }
+            ret = strncasecmp(str, "true", 4);
+        }
+        else {
+            if (str_len != 5 /*false*/) {
+                return -1;
+            }
+            ret = strncasecmp(str, "false", 5);
+        }
+        break;
+    default:
+        flb_error("not supported");
+    }
+
+    return ret;
+}
+
+/* Callback to check expected results */
+static int cb_check_msgpack_kv(void *record, size_t size, void *data)
+
+                                /*void *ctx, int ffd, int res_ret, 
+                                  void *res_data, size_t res_size, void *data)*/
+{
+    msgpack_unpacked result;
+    msgpack_object obj;
+    size_t off = 0;
+    struct str_list *l = (struct str_list *)data;
+    int i_map;
+    int map_size;
+    int i_list;
+    int num = get_output_num();
+
+    if (!TEST_CHECK(record != NULL)) {
+        TEST_MSG("record is NULL");
+        return -1;
+    }
+
+    if (!TEST_CHECK(data != NULL)) {
+        TEST_MSG("data is NULL");
+        flb_free(record);
+        return -1;
+    }
+
+    /* Iterate each item array and apply rules */
+    msgpack_unpacked_init(&result);
+    while (msgpack_unpack_next(&result, record, size, &off) == MSGPACK_UNPACK_SUCCESS) {
+        obj = result.data;
+        /*
+        msgpack_object_print(stdout, obj);
+        */
+        if (obj.type != MSGPACK_OBJECT_ARRAY || obj.via.array.size != 2) {
+            flb_error("array error. type = %d", obj.type);
+            continue;
+        }
+        obj = obj.via.array.ptr[1];
+        if (obj.type != MSGPACK_OBJECT_MAP) {
+            flb_error("map error. type = %d", obj.type);
+            continue;
+        }
+        map_size = obj.via.map.size;
+        for (i_map=0; i_map<map_size; i_map++) {
+            if (obj.via.map.ptr[i_map].key.type != MSGPACK_OBJECT_STR) {
+                flb_error("key is not string. type =%d", obj.via.map.ptr[i_map].key.type);
+                continue;
+            }
+            for (i_list=0; i_list< l->size/2; i_list++)  {
+                if (msgpack_strncmp(l->lists[i_list*2], strlen(l->lists[i_list*2]),
+                                    obj.via.map.ptr[i_map].key) == 0 &&
+                    msgpack_strncmp(l->lists[i_list*2+1], strlen(l->lists[i_list*2+1]),
+                                    obj.via.map.ptr[i_map].val) == 0) {
+                    num++;
+                }
+            }
+        }
+    }
+    set_output_num(num);
+
+    msgpack_unpacked_destroy(&result);
+    flb_free(record);
+
+    return 0;
+}
+
+
+static int cb_count_msgpack(void *record, size_t size, void *data)
+{
+    msgpack_unpacked result;
+    size_t off = 0;
+
+    if (!TEST_CHECK(data != NULL)) {
+        TEST_MSG("data is NULL");
+    }
+
+    /* Iterate each item array and apply rules */
+    msgpack_unpacked_init(&result);
+    while (msgpack_unpack_next(&result, record, size, &off) == MSGPACK_UNPACK_SUCCESS) {
+        pthread_mutex_lock(&result_mutex);
+        num_output++;
+        /*
+           msgpack_object_print(stdout, result.data);
+        */
+        pthread_mutex_unlock(&result_mutex);
+    }
+    msgpack_unpacked_destroy(&result);
+
+    flb_free(record);
+    return 0;
+}
+
+static int cb_count(void *record, size_t size, void *data)
+{
+    if (!TEST_CHECK(data != NULL)) {
+        TEST_MSG("data is NULL");
+    }
+    pthread_mutex_lock(&result_mutex);
+    num_output++;
+    pthread_mutex_unlock(&result_mutex);
+
+    flb_free(record);
+    return 0;
+}
+
+static struct test_ctx *test_ctx_create(struct flb_lib_out_cb *data)
+{
+    int o_ffd;
+    struct test_ctx *ctx = NULL;
+
+    ctx = flb_malloc(sizeof(struct test_ctx));
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("malloc failed");
+        flb_errno();
+        return NULL;
+    }
+
+    /* Service config */
+    ctx->flb = flb_create();
+    flb_service_set(ctx->flb,
+                    "Flush", "0.200000000",
+                    "Grace", "1",
+                    "Log_Level", "error",
+                    NULL);
+
+    /* Output */
+    o_ffd = flb_output(ctx->flb, (char *) "lib", (void *) data);
+    ctx->o_ffd = o_ffd;
+
+    return ctx;
+}
+
+static void test_ctx_destroy(struct test_ctx *ctx)
+{
+    TEST_CHECK(ctx != NULL);
+
+    sleep(1);
+    flb_stop(ctx->flb);
+    flb_destroy(ctx->flb);
+    flb_free(ctx);
+}
+
+static void test_format_json(void)
+{
+    struct flb_lib_out_cb cb_data;
+    struct test_ctx *ctx;
+    char *input_json = "[1,{\"hoge\":\"moge\", \"bool\":true, \"int\":100, \"float\":-2.0}]";
+    int size = strlen(input_json);
+    int ret;
+    int num;
+
+    char *expected_strs[] = {"\"hoge\"", "\"moge\"", "\"bool\"", "true", "\"int\"", "100", "\"float\"", "-2."};
+    struct str_list expected = {
+                                .size = sizeof(expected_strs)/sizeof(char*),
+                                .lists = &expected_strs[0],
+    };
+
+    clear_output_num();
+
+    cb_data.cb = cb_check_json_str_list;
+    cb_data.data = &expected;
+
+    ctx = test_ctx_create(&cb_data);
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+    /* Input */
+    ctx->i_ffd = flb_input(ctx->flb, (char *) "lib", NULL);
+    TEST_CHECK(ctx->i_ffd >= 0);
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "format", "json",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, input_json,size);
+    TEST_CHECK(ret >= 0);
+
+    /* waiting to flush */
+    wait_with_timeout(2000, &num);
+
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+static void test_format_msgpack(void)
+{
+    struct flb_lib_out_cb cb_data;
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+    char *input_json = "[1,{\"hoge\":\"moge\", \"bool\":true, \"int\":100, \"float\":-2.0}]";
+    int size = strlen(input_json);
+
+    char *expected_strs[] = {"hoge", "moge", "bool", "true", "int", "100", "float", "-2.0"};
+    struct str_list expected = {
+                                .size = sizeof(expected_strs)/sizeof(char*),
+                                .lists = &expected_strs[0],
+    };
+
+    clear_output_num();
+
+    cb_data.cb = cb_check_msgpack_kv;
+    cb_data.data = &expected;
+
+    ctx = test_ctx_create(&cb_data);
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+    /* Input */
+    ctx->i_ffd = flb_input(ctx->flb, (char *) "lib", NULL);
+    TEST_CHECK(ctx->i_ffd >= 0);
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "format", "msgpack",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_lib_push(ctx->flb, ctx->i_ffd, input_json,size);
+    TEST_CHECK(ret >= 0);
+
+    /* waiting to flush */
+    wait_with_timeout(2000, &num);
+
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+static void test_max_records(void)
+{
+    struct flb_lib_out_cb cb_data;
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+    char *input_json = "[1,{\"hoge\":\"moge\", \"bool\":true, \"int\":100, \"float\":-2.0}]";
+    int size = strlen(input_json);
+    int i;
+    int unused;
+    int expected = 5 /* max_records */;
+
+    clear_output_num();
+
+    cb_data.cb = cb_count_msgpack;
+    cb_data.data = &unused;
+
+    ctx = test_ctx_create(&cb_data);
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+    /* Input */
+    ctx->i_ffd = flb_input(ctx->flb, (char *) "lib", NULL);
+    TEST_CHECK(ctx->i_ffd >= 0);
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "format", "msgpack",
+                         "max_records", "5",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    for (i=0; i<100; i++) {
+        ret = flb_lib_push(ctx->flb, ctx->i_ffd, input_json,size);
+        TEST_CHECK(ret >= 0);
+    }
+
+    /* waiting to flush */
+    wait_with_timeout(1000, &num);
+
+    if (!TEST_CHECK(num == expected /* max_records */))  {
+        TEST_MSG("max_records error. got=%d, expected=%d", num, expected);
+    }
+
+    test_ctx_destroy(ctx);
+}
+#ifdef FLB_HAVE_METRICS
+static void test_metrics_msgpack(void)
+{
+    struct flb_lib_out_cb cb_data;
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+    int unused;
+
+    clear_output_num();
+
+    cb_data.cb = cb_count_msgpack;
+    cb_data.data = &unused;
+
+    ctx = test_ctx_create(&cb_data);
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+    /* Input */
+    ctx->i_ffd = flb_input(ctx->flb, (char *) "fluentbit_metrics", NULL);
+    TEST_CHECK(ctx->i_ffd >= 0);
+    ret = flb_input_set(ctx->flb, ctx->i_ffd,
+                        "scrape_interval", "1",
+                        NULL);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "format", "msgpack",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    /* waiting to flush */
+    wait_with_timeout(5000, &num);
+
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+
+static void test_metrics_json(void)
+{
+    struct flb_lib_out_cb cb_data;
+    struct test_ctx *ctx;
+    int ret;
+    int num;
+    int unused;
+
+    clear_output_num();
+
+    cb_data.cb = cb_count;
+    cb_data.data = &unused;
+
+    ctx = test_ctx_create(&cb_data);
+    if (!TEST_CHECK(ctx != NULL)) {
+        TEST_MSG("test_ctx_create failed");
+        exit(EXIT_FAILURE);
+    }
+    /* Input */
+    ctx->i_ffd = flb_input(ctx->flb, (char *) "fluentbit_metrics", NULL);
+    TEST_CHECK(ctx->i_ffd >= 0);
+    ret = flb_input_set(ctx->flb, ctx->i_ffd,
+                        "scrape_interval", "1",
+                        NULL);
+    TEST_CHECK(ret == 0);
+
+    ret = flb_output_set(ctx->flb, ctx->o_ffd,
+                         "format", "json",
+                         NULL);
+    TEST_CHECK(ret == 0);
+
+    /* Start the engine */
+    ret = flb_start(ctx->flb);
+    TEST_CHECK(ret == 0);
+
+    /* waiting to flush */
+    wait_with_timeout(5000, &num);
+
+    if (!TEST_CHECK(num > 0))  {
+        TEST_MSG("no outputs");
+    }
+
+    test_ctx_destroy(ctx);
+}
+#endif
+
+TEST_LIST = {
+#ifdef FLB_HAVE_METRICS
+    {"metrics_msgpack", test_metrics_msgpack},
+    {"metrics_json", test_metrics_json},
+#endif
+    {"format_json", test_format_json},
+    {"format_msgpack", test_format_msgpack},
+    {"max_records", test_max_records},
+    {NULL, NULL}
+};