From f0a8cccf542b4afa13eeee02e3ad41ea0a958506 Mon Sep 17 00:00:00 2001 From: fumingwei Date: Thu, 28 Sep 2023 17:53:16 +0800 Subject: feature:将python exporter加到libfieldstat的rpm中，新增python exporter readme MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .gitlab-ci.yml | 1 + CMakeLists.txt | 4 + ci/travis.sh | 3 + ctest/CMakeLists.txt | 4 + readme.md | 134 +++++++++++++++++++++++++++++- test/CMakeLists.txt | 2 +- test/test_exporter_python.cpp | 160 ------------------------------------ test/test_fieldstat_exporter.py | 6 +- test/test_write_json_file.cpp | 175 ++++++++++++++++++++++++++++++++++++++++ 9 files changed, 325 insertions(+), 164 deletions(-) delete mode 100644 test/test_exporter_python.cpp create mode 100644 test/test_write_json_file.cpp diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml index 3985e92..64e948d 100644 --- a/.gitlab-ci.yml +++ b/.gitlab-ci.yml @@ -19,6 +19,7 @@ stages: - yum install -y elfutils-libelf-devel - yum install -y libuuid libuuid-devel - yum install -y zlib + - python3 -m pip install prettytable .build_by_travis_for_centos7: diff --git a/CMakeLists.txt b/CMakeLists.txt index 5e1e4d0..65f94ed 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -137,6 +137,10 @@ set_target_properties(${lib_name}_static PROPERTIES OUTPUT_NAME ${lib_name}) install(TARGETS ${lib_name}_shared LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/lib COMPONENT LIBRARIES) install(TARGETS ${lib_name}_static LIBRARY ARCHIVE DESTINATION ${CMAKE_INSTALL_PREFIX}/lib COMPONENT LIBRARIES) +install(FILES ${PROJECT_SOURCE_DIR}/src/exporter/fieldstat_exporter.py + DESTINATION ${CMAKE_INSTALL_PREFIX}/bin + PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE + COMPONENT LIBRARIES) install(DIRECTORY include/ DESTINATION ${CMAKE_INSTALL_PREFIX}/include COMPONENT HEADER) include(Package) \ No newline at end of file diff --git a/ci/travis.sh b/ci/travis.sh index dc6c83c..bcbd1c2 100644 --- a/ci/travis.sh +++ b/ci/travis.sh @@ -56,6 +56,9 @@ make if [ -n "${UNIT_TEST}" ]; then + current_path=$(pwd) + echo $current_path > /etc/ld.so.conf.d/test_case.conf + ldconfig ctest --verbose fi diff --git a/ctest/CMakeLists.txt b/ctest/CMakeLists.txt index f7d725a..19f4a25 100644 --- a/ctest/CMakeLists.txt +++ b/ctest/CMakeLists.txt @@ -15,6 +15,8 @@ add_test(NAME COPY_GTEST_METRIC_HLL_BINARY COMMAND sh -c "cp ${CMAKE_BINARY_DIR} add_test(NAME COPY_GTEST_REGISTER_AND_RESET_BINARY COMMAND sh -c "cp ${CMAKE_BINARY_DIR}/test/test_register_and_reset ${CMAKE_BINARY_DIR}/testing/") add_test(NAME COPY_GTEST_SERIALIZE_BINARY COMMAND sh -c "cp ${CMAKE_BINARY_DIR}/test/test_serialize ${CMAKE_BINARY_DIR}/testing/") add_test(NAME COPY_GTEST_UNIT_TEST_CELL_MANAGER_BINARY COMMAND sh -c "cp ${CMAKE_BINARY_DIR}/test/unit_test_cell_manager ${CMAKE_BINARY_DIR}/testing/") +add_test(NAME COPY_GTEST_WRITE_JSON_FILE_BINARY COMMAND sh -c "cp ${CMAKE_BINARY_DIR}/test/test_write_json_file ${CMAKE_BINARY_DIR}/testing/") +add_test(NAME CHMOD_UNITTEST COMMAND sh -c "chmod 0755 ${CMAKE_SOURCE_DIR}/test/test_fieldstat_exporter.py; cp ${CMAKE_SOURCE_DIR}/test/test_fieldstat_exporter.py ${CMAKE_BINARY_DIR}/testing/test_fieldstat_exporter") set(GTEST_RUN_DIR ${CMAKE_BINARY_DIR}/testing) add_test(NAME GTEST_EMPTY_TAGS COMMAND test_empty_tags WORKING_DIRECTORY ${GTEST_RUN_DIR}) @@ -27,3 +29,5 @@ add_test(NAME GTEST_METRIC_HLL COMMAND test_metric_hll WORKING_DIRECTORY ${GTEST add_test(NAME GTEST_REGISTER_AND_RESET COMMAND test_register_and_reset WORKING_DIRECTORY ${GTEST_RUN_DIR}) add_test(NAME GTEST_SERIALIZE COMMAND test_serialize WORKING_DIRECTORY ${GTEST_RUN_DIR}) add_test(NAME GTEST_UNIT_TEST_CELL_MANAGER COMMAND unit_test_cell_manager WORKING_DIRECTORY ${GTEST_RUN_DIR}) +add_test(NAME GTEST_WRITE_JSON_FILE COMMAND test_write_json_file WORKING_DIRECTORY ${GTEST_RUN_DIR}) +add_test(NAME GTEST_PYTHON_EXPORTER COMMAND test_fieldstat_exporter WORKING_DIRECTORY ${GTEST_RUN_DIR}) diff --git a/readme.md b/readme.md index 7a6c512..75d1a40 100644 --- a/readme.md +++ b/readme.md @@ -192,4 +192,136 @@ The same as "copy 1 cell of a counter metric on topk cube" but merge twice. Merging Heavy Keeper is slower the coping it, it is why the execution time is unusually higher than copying it. #### export a cell -I add a instance with 100 cubes, on each of which I register 10 metrics. The max cell number of each cube is 1000, and call the metric operation on every added cell. So there are 100 * 10 * 1000 cells in total. After exporting the instance, calculate the average time spent on each cells. \ No newline at end of file +I add a instance with 100 cubes, on each of which I register 10 metrics. The max cell number of each cube is 1000, and call the metric operation on every added cell. So there are 100 * 10 * 1000 cells in total. After exporting the instance, calculate the average time spent on each cells. + +## Fieldstat exporter +Fieldstat exporter provides exporter functions for fieldstat4, including prometheus exporter and local exporter. + +### prometheus exporter +The prometheus exporter reads the fieldstat4 json file and enables the prometheus endpoint. The default port is 8080. + +### local exporter +The local exporter reads the fieldstat4 json file and outputs it to the screen. + +### Installation and Usage +Download fieldstat4 rpm from https://repo.geedge.net/pulp/content/ and install rpm package. + + +#### List of rpm files + ... + |-- bin + |-- fieldstat_exporter + |-- lib + |-- ibfieldstat4.a + |-- libfieldstat4.so +#### Service configuration +The following is the prometheus exporter systemd service example file. +```systemd +[Unit] +Description=fieldstat4 prometheus service. +After=target.service #Replace target service with the actual service used. +Requires=target.service #Replace target service with the actual service used. + +[Service] +Type=simple +ExecStart=/opt/tsg/framework/bin/fieldstat_exporter prometheus +RestartSec=10s +Restart=always +PrivateTmp=True + +[Install] +WantedBy=multi-user.target +``` +### Command Line +Fieldstat exporter includes prometheus including prometheus and local subcommands. +```txt +[root@localhost bin]# ./fieldstat_exporter --help +usage: fieldstat_exporter [-h] {prometheus,local} ... + +Fieldstat exporter + +positional arguments: + {prometheus,local} + prometheus Set prometheus exporter + local Set local exporter + +optional arguments: + -h, --help show this help message and exit +``` +The following is prometheus exporter command line example. +```bash +./fieldstat_exporter prometheus -b 0.1,0.2,0.3,0.4,0.5 -f summary -j /tmp/fieldstat.json -p 8080 -u /metrics +``` +The following is fieldstat prometheus exporter help info. +```txt +[root@localhost bin]# ./fieldstat_exporter prometheus --help +usage: fieldstat_exporter prometheus [-h] [-b HIST_BINS] [-f HIST_FORMAT] + [-j JSON_PATH] [-p LISTEN_PORT] + [-u URI_PATH] + +optional arguments: + -h, --help show this help message and exit + -b HIST_BINS, --hist-bins HIST_BINS + The metrics of histogram type output bins. + -f HIST_FORMAT, --hist-format HIST_FORMAT + The metrics of histogram type output format. + -j JSON_PATH, --json-path JSON_PATH + The input fieldstat metrics json file path. + -p LISTEN_PORT, --listen-port LISTEN_PORT + Specify the prometheus endpoint port to listen. i.e., + 80,8080 + -u URI_PATH, --uri-path URI_PATH + Specify the prometheus endpoint uri path +``` +The prometheus exporter optional arguments default values. +args|default value +--- | --- +-b, --hist-bins|[0.1,0.5,0.8,0.9,0.95,0.99] +-f, --hist-format|summary +-j, --json-path|./fieldstat.json +-p, --listen-port|8080 +-u, --uri-path|/metrics +The following is local exporter command line example. +```bash +./fieldstat_exporter local -b 0.1,0.2,0.3,0.4,0.5 -f summary -j /tmp/fieldstat.json -i 1 -l --clear-screen -m policy_id:1,device_name:xxg +``` +The following is fieldstat local exporter help info. +```txt +[root@localhost bin]# ./fieldstat_exporter local --help +usage: fieldstat_exporter local [-h] [-b HIST_BINS] [-f HIST_FORMAT] + [-j JSON_PATH] [-i INTERVAL] [-l] + [--clear-screen] [--display-hll] + [--display-hist] [--display-counter] + [-m MATCH_TAGS] + +optional arguments: + -h, --help show this help message and exit + -b HIST_BINS, --hist-bins HIST_BINS + The metrics of histogram type output bins. + -f HIST_FORMAT, --hist-format HIST_FORMAT + The metrics of histogram type output format. + -j JSON_PATH, --json-path JSON_PATH + The input fieldstat metrics json file path. + -i INTERVAL, --interval INTERVAL + interval, seconds to wait between print. + -l, --loop print loop, exit when recv a signal. + --clear-screen clear screen at start of loop + --display-hll Display hyperloglog type metrics + --display-hist Display histogram type metrics + --display-counter Display counter type metrics + -m MATCH_TAGS, --match-tags MATCH_TAGS + Display the tags match metrics +``` +The local exporter optional arguments default values. +args|default value +--- | --- +-b, --hist-bins|[0.1,0.5,0.8,0.9,0.95,0.99] +-f, --hist-format|summary +-j, --json-path|./fieldstat.json +-i, --interval|1(s) +-l, --loop|False +--clear-screen|False +--display-hll|False +--display-hist|False +--display-counter|False +-m, --match-tags|"" diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt index 3252602..d4cb35a 100644 --- a/test/CMakeLists.txt +++ b/test/CMakeLists.txt @@ -57,4 +57,4 @@ add_unit_test(test_performance) add_unit_test(test_register_and_reset) add_unit_test(test_serialize) add_unit_test(unit_test_cell_manager) -add_unit_test(test_exporter_python) \ No newline at end of file +add_unit_test(test_write_json_file) \ No newline at end of file diff --git a/test/test_exporter_python.cpp b/test/test_exporter_python.cpp deleted file mode 100644 index c8912d7..0000000 --- a/test/test_exporter_python.cpp +++ /dev/null @@ -1,160 +0,0 @@ -#include - -#include "utils.hpp" -#include "cjson/cJSON.h" - -#include "fieldstat.h" -#include "fieldstat_exporter.h" - -static struct fieldstat *get_hll_fieldsstat() -{ - struct fieldstat_tag shared_tags[1]; - - shared_tags[0].key = "rule_id"; - shared_tags[0].type = TAG_INTEGER; - shared_tags[0].value_longlong = 1; - - const char *hll_name[] = {"external_ip", "internal_ip", "acc_ip"}; - - struct fieldstat *instance = fieldstat_new(); - EXPECT_NE(nullptr, instance); - int cube_id = fieldstat_register_cube(instance, shared_tags, 1, - SAMPLING_MODE_COMPREHENSIVE, 100); - - for(unsigned int i = 0; i < sizeof(hll_name) / sizeof(hll_name[0]); i++) - { - int hll_id = fieldstat_register_hll(instance, cube_id, hll_name[i], 5); - int cell_id = fieldstat_cube_add(instance, cube_id, NULL, 0, 1000); - - for(int j = 0; j < 100; j++) - { - char ip_str[64] = {0}; - memset(ip_str, 0, sizeof(ip_str)); - snprintf(ip_str, sizeof(ip_str), "192.168.%u.%d", i, j); - int ret = fieldstat_hll_add(instance, cube_id, hll_id, cell_id, ip_str, strlen(ip_str)); - EXPECT_EQ(0, ret); - } - - } - - return instance; -} - - -static struct fieldstat *get_hist_fieldstat() -{ - struct fieldstat_tag shared_tags[2]; - struct fieldstat_tag cell_tags[2]; - - shared_tags[0].key = "rule_id"; - shared_tags[0].type = TAG_INTEGER; - shared_tags[0].value_longlong = 1; - shared_tags[1].key = "action"; - shared_tags[1].type = TAG_CSTRING; - shared_tags[1].value_str = "deny"; - - cell_tags[0].key = "thread_id"; - cell_tags[0].type = TAG_INTEGER; - cell_tags[0].value_longlong = 1; - cell_tags[1].key = "hit_rate"; - cell_tags[1].type = TAG_DOUBLE; - cell_tags[1].value_double = 1.1; - - const char *hist_names[] = {"list_num", "max_wt_ms", "ivt_nx_itv_ms", - "bye_pv_itv_ms", "sess_num/udp", "ivt/udp", - "bye/udp", "oth_mtd/udp"}; - - - struct fieldstat *instance = fieldstat_new(); - EXPECT_NE(nullptr, instance); - int cube_id = fieldstat_register_cube(instance, shared_tags, 2, - SAMPLING_MODE_COMPREHENSIVE, 100); - EXPECT_EQ(0, cube_id); - - for(unsigned int i = 0; i < sizeof(hist_names)/sizeof(hist_names[0]); i++) - { - int hist_id = fieldstat_register_hist(instance, cube_id, hist_names[i], 1, 600000, 3); - - int cell_id = fieldstat_cube_add(instance, cube_id, cell_tags, 2, 1000); - for(int j = 0; j < 100; j++) - { - fieldstat_hist_record(instance, cube_id, hist_id, cell_id, i*100 + j); - } - } - - return instance; -} - - - -static struct fieldstat *get_table_fieldstat() -{ - struct fieldstat_tag shared_tags[2]; - shared_tags[0].key = "policy_id"; - shared_tags[0].type = TAG_INTEGER; - shared_tags[0].value_longlong = 1; - shared_tags[1].key = "quanlity"; - shared_tags[1].type = TAG_DOUBLE; - shared_tags[1].value_double = 0.5; - - const char *cell_tag_value[] = { - "sum", "SECURITY-EVENT", "SESSION-RECORD", "INTERNAL-RTP-RECORD", - "VOIP-RECORD", "INTERIM-SESSION-RECORD", "TRANSACTION-RECORD", - "GTPC-RECORD", "BGP-RECORD", "PROXY-EVENT", "DOS-SKETCH-RECORD", - "STATISTICS-RULE-METRIC", "OBJECT-STATISTICS-METRIC"}; - - struct fieldstat_tag cell_tags; - cell_tags.key = "send_log"; - cell_tags.type = TAG_CSTRING; - cell_tags.value_str = "true"; - - struct fieldstat *instance = fieldstat_new(); - EXPECT_NE(nullptr, instance); - - int cube_id = fieldstat_register_cube(instance, shared_tags, 2, - SAMPLING_MODE_COMPREHENSIVE, 100); - EXPECT_EQ(0, cube_id); - - int counter_id_0 = fieldstat_register_counter(instance, cube_id, - "T_success_log", - COUNTER_MERGE_BY_SUM); - - int counter_id_1 = fieldstat_register_counter(instance, cube_id, - "T_fail_log", - COUNTER_MERGE_BY_SUM); - - for(unsigned int i = 0; i < sizeof(cell_tag_value)/sizeof(cell_tag_value[0]); i++) - { - cell_tags.value_str = cell_tag_value[i]; - int cell_id_0 = fieldstat_cube_add(instance, cube_id, &cell_tags, 1, 1); - fieldstat_counter_incrby(instance, cube_id, counter_id_0, cell_id_0, 1); - if(i < 5) - fieldstat_counter_incrby(instance, cube_id, counter_id_1, cell_id_0, 2); - } - - return instance; -} - -TEST(ExporterLocal, TableBuild) -{ - struct timeval current = {100, 10000}; - struct fieldstat *merger = fieldstat_new(); - struct fieldstat *hll = get_hll_fieldsstat(); - struct fieldstat *hist = get_hist_fieldstat(); - struct fieldstat *table = get_table_fieldstat(); - - fieldstat_merge(merger, hll); - fieldstat_merge(merger, hist); - fieldstat_merge(merger, table); - struct fieldstat_json_exporter *exporter = fieldstat_json_exporter_new(merger); - fieldstat_json_exporter_enable_delta(exporter); - char *str_json = fieldstat_json_exporter_export(exporter, ¤t); - printf(str_json); -} - - -int main(int argc, char *argv[]) -{ - testing::InitGoogleTest(&argc, argv); - return RUN_ALL_TESTS(); -} diff --git a/test/test_fieldstat_exporter.py b/test/test_fieldstat_exporter.py index 2d2cb22..3a68512 100644 --- a/test/test_fieldstat_exporter.py +++ b/test/test_fieldstat_exporter.py @@ -1,3 +1,5 @@ +#!/usr/bin/python3 + import unittest import sys import urllib @@ -13,8 +15,8 @@ from contextlib import redirect_stdout from prettytable import PrettyTable,NONE,HEADER import os -current_path = os.path.dirname(os.path.abspath(__file__)) -sys.path.append(current_path + '../src/exporter') +current_path = os.path.dirname(os.path.abspath(__file__)) +sys.path.append(current_path + '/../../src/exporter') from fieldstat_exporter import FieldstatAPI diff --git a/test/test_write_json_file.cpp b/test/test_write_json_file.cpp new file mode 100644 index 0000000..56bdd73 --- /dev/null +++ b/test/test_write_json_file.cpp @@ -0,0 +1,175 @@ +#include + +#include "utils.hpp" +#include "cjson/cJSON.h" + +#include "fieldstat.h" +#include "fieldstat_exporter.h" + +static struct fieldstat *get_hll_fieldsstat() +{ + struct fieldstat_tag shared_tags[1]; + + shared_tags[0].key = "rule_id"; + shared_tags[0].type = TAG_INTEGER; + shared_tags[0].value_longlong = 1; + + const char *hll_name[] = {"external_ip", "internal_ip", "acc_ip"}; + + struct fieldstat *instance = fieldstat_new(); + EXPECT_NE(nullptr, instance); + int cube_id = fieldstat_register_cube(instance, shared_tags, 1, + SAMPLING_MODE_COMPREHENSIVE, 100); + + for(unsigned int i = 0; i < sizeof(hll_name) / sizeof(hll_name[0]); i++) + { + int hll_id = fieldstat_register_hll(instance, cube_id, hll_name[i], 5); + int cell_id = fieldstat_cube_add(instance, cube_id, NULL, 0, 1000); + + for(int j = 0; j < 100; j++) + { + char ip_str[64] = {0}; + memset(ip_str, 0, sizeof(ip_str)); + snprintf(ip_str, sizeof(ip_str), "192.168.%u.%d", i, j); + int ret = fieldstat_hll_add(instance, cube_id, hll_id, cell_id, ip_str, strlen(ip_str)); + EXPECT_EQ(0, ret); + } + + } + + return instance; +} + + +static struct fieldstat *get_hist_fieldstat() +{ + struct fieldstat_tag shared_tags[2]; + struct fieldstat_tag cell_tags[2]; + + shared_tags[0].key = "rule_id"; + shared_tags[0].type = TAG_INTEGER; + shared_tags[0].value_longlong = 1; + shared_tags[1].key = "action"; + shared_tags[1].type = TAG_CSTRING; + shared_tags[1].value_str = "deny"; + + cell_tags[0].key = "thread_id"; + cell_tags[0].type = TAG_INTEGER; + cell_tags[0].value_longlong = 1; + cell_tags[1].key = "hit_rate"; + cell_tags[1].type = TAG_DOUBLE; + cell_tags[1].value_double = 1.1; + + const char *hist_names[] = {"list_num", "max_wt_ms", "ivt_nx_itv_ms", + "bye_pv_itv_ms", "sess_num/udp", "ivt/udp", + "bye/udp", "oth_mtd/udp"}; + + + struct fieldstat *instance = fieldstat_new(); + EXPECT_NE(nullptr, instance); + int cube_id = fieldstat_register_cube(instance, shared_tags, 2, + SAMPLING_MODE_COMPREHENSIVE, 100); + EXPECT_EQ(0, cube_id); + + for(unsigned int i = 0; i < sizeof(hist_names)/sizeof(hist_names[0]); i++) + { + int hist_id = fieldstat_register_hist(instance, cube_id, hist_names[i], 1, 600000, 3); + + int cell_id = fieldstat_cube_add(instance, cube_id, cell_tags, 2, 1000); + for(int j = 0; j < 100; j++) + { + fieldstat_hist_record(instance, cube_id, hist_id, cell_id, i*100 + j); + } + } + + return instance; +} + + + +static struct fieldstat *get_table_fieldstat() +{ + struct fieldstat_tag shared_tags[2]; + shared_tags[0].key = "policy_id"; + shared_tags[0].type = TAG_INTEGER; + shared_tags[0].value_longlong = 1; + shared_tags[1].key = "quanlity"; + shared_tags[1].type = TAG_DOUBLE; + shared_tags[1].value_double = 0.5; + + const char *cell_tag_value[] = { + "sum", "SECURITY-EVENT", "SESSION-RECORD", "INTERNAL-RTP-RECORD", + "VOIP-RECORD", "INTERIM-SESSION-RECORD", "TRANSACTION-RECORD", + "GTPC-RECORD", "BGP-RECORD", "PROXY-EVENT", "DOS-SKETCH-RECORD", + "STATISTICS-RULE-METRIC", "OBJECT-STATISTICS-METRIC"}; + + struct fieldstat_tag cell_tags; + cell_tags.key = "send_log"; + cell_tags.type = TAG_CSTRING; + cell_tags.value_str = "true"; + + struct fieldstat *instance = fieldstat_new(); + EXPECT_NE(nullptr, instance); + + int cube_id = fieldstat_register_cube(instance, shared_tags, 2, + SAMPLING_MODE_COMPREHENSIVE, 100); + EXPECT_EQ(0, cube_id); + + int counter_id_0 = fieldstat_register_counter(instance, cube_id, + "T_success_log", + COUNTER_MERGE_BY_SUM); + + int counter_id_1 = fieldstat_register_counter(instance, cube_id, + "T_fail_log", + COUNTER_MERGE_BY_SUM); + + for(unsigned int i = 0; i < sizeof(cell_tag_value)/sizeof(cell_tag_value[0]); i++) + { + cell_tags.value_str = cell_tag_value[i]; + int cell_id_0 = fieldstat_cube_add(instance, cube_id, &cell_tags, 1, 1); + fieldstat_counter_incrby(instance, cube_id, counter_id_0, cell_id_0, 1); + if(i < 5) + fieldstat_counter_incrby(instance, cube_id, counter_id_1, cell_id_0, 2); + } + + return instance; +} + +static int write_json_to_file(const char *filename, char *json_str) +{ + FILE *fp = fopen(filename, "w"); + if (fp == NULL) + { + return -1; + } + fprintf(fp, json_str); + fclose(fp); + + return 0; +} + +TEST(ExporterLocal, TableBuild) +{ + struct timeval current = {100, 10000}; + struct fieldstat *merger = fieldstat_new(); + struct fieldstat *hll = get_hll_fieldsstat(); + struct fieldstat *hist = get_hist_fieldstat(); + struct fieldstat *table = get_table_fieldstat(); + + fieldstat_merge(merger, hll); + fieldstat_merge(merger, hist); + fieldstat_merge(merger, table); + struct fieldstat_json_exporter *exporter = fieldstat_json_exporter_new(merger); + fieldstat_json_exporter_enable_delta(exporter); + char *str_json = fieldstat_json_exporter_export(exporter, ¤t); + + int ret = write_json_to_file("/tmp/fieldstat.json",str_json); + EXPECT_EQ(0, ret); +} + + +int main(int argc, char *argv[]) +{ + testing::InitGoogleTest(&argc, argv); + return RUN_ALL_TESTS(); +} -- cgit v1.2.3