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#include "test_utils.hpp"
#include <regex>
#include <iostream>
#include <fstream>
#include <stdlib.h>
#include <gtest/gtest.h>
using namespace std;
extern struct prometheus_endpoint_instance g_prometheus_endpoint_instance;
void Heavy_keeper_tester::register_metric(const char *metric_name, int K, int out_window)
{
int metric_id = fieldstat_register_topK(this->instance, metric_name, NULL, 0, K, out_window);
struct metric *metric = get_metric(this->instance, metric_id);
struct metric_info metric_info = {metric, metric_id, out_window};
metric_map[metric_name] = metric_info;
}
void Heavy_keeper_tester::take_action(const char *metric_name, const char *member, int value)
{
const struct metric_info &metric_i = metric_map[metric_name];
struct action action;
action.metric_name = metric_name;
action.member = member;
action.value = value;
this->actions.push_back(action);
if (metric_i.output_window == 0) {
bool found = false;
for (size_t i = 0; i < accu_actions.size(); i++) {
if (accu_actions[i].metric_name == metric_name && accu_actions[i].member == member) {
accu_actions[i].value += value;
found = true;
break;
}
}
if (!found) {
this->accu_actions.push_back(action);
}
}
fieldstat_value_incrby_topK(this->instance,
metric_i.id, member, strlen(member), value);
}
Heavy_keeper_tester::Heavy_keeper_tester(const char *instance_name)
{
this->instance = fieldstat_instance_new(instance_name);
}
Heavy_keeper_tester::~Heavy_keeper_tester()
{
fieldstat_global_disable_prometheus_endpoint();
fieldstat_instance_free(this->instance);
}
void Heavy_keeper_tester::sort_map(std::unordered_map<std::string, struct metric_info> &metric_map)
{
vector<pair<string, struct metric_info>> tmp;
for (const auto &m : metric_map) {
tmp.push_back(make_pair(m.first, m.second));
}
sort(tmp.begin(), tmp.end(),
[](std::pair<std::string, struct metric_info> a, std::pair<std::string, struct metric_info> b) {return a.second.id > b.second.id;}
);
metric_map.clear();
for (const auto &item : tmp) {
metric_map[item.first] = item.second;
}
}
vector<pair<string, int>> Heavy_keeper_tester::get_expected_topk(const std::string &metric_name, std::vector<struct action> &tmp_actions)
{
vector<pair<string, int>> input;
for (auto &a : tmp_actions) {
if (metric_name == a.metric_name) {
input.push_back(make_pair(a.member, a.value));
}
}
std::sort(input.begin(), input.end(),
[](std::pair<std::string, int> a, std::pair<std::string, int> b) {return a.second > b.second;}
);
return input;
}
std::string Heavy_keeper_tester::get_expected_pattern(std::string method)
{
sort_map(metric_map);
if (string(method) == "json") {
size_t i = 0;
Reg_str pattern[metric_map.size()];
for (auto &m : this->metric_map) {
pattern[i] += Reg_str().add_text().add(m.first).add_text().parenthsis();
pattern[i].add("|"); // head first or content first, both is ok, since its json format.
auto &tmp_actions = m.second.output_window == 0 ? this->accu_actions : this->actions;
vector<pair<string, int>> input = get_expected_topk(m.first, tmp_actions);
Reg_str content;
for (const auto &item : input) {
std::string tmp = ".*" + item.first + ".*" + std::to_string(item.second) + ".*";
content += Reg_str(tmp);
}
pattern[i] += content.parenthsis();
i++;
}
Reg_str contat;
for (size_t i = 0; i < metric_map.size(); i++) {
contat += pattern[i].parenthsis().add("\\n?"); // in line protocol parser, every metric is independent, and is in different JSON object.
}
contat.add_any();
return contat.get_str();
} else if (string(method) == "default") {
Reg_str pattern[metric_map.size()];
size_t i = 0;
for (auto &m : this->metric_map) {
Reg_str head;
head.add_any().add(m.first).add_space().add_endl();
pattern[i] += head.add_endl();
auto &tmp_actions = m.second.output_window == 0 ? this->accu_actions : this->actions;
vector<pair<string, int>> input = get_expected_topk(m.first, tmp_actions);
for (const auto &item : input) {
std::string tmp = ".*" + item.first + ".*" + std::to_string(item.second) + ".*";
pattern[i] += Reg_str(tmp).add_endl();
}
i++;
}
Reg_str contat;
for (size_t i = 0; i < metric_map.size(); i++) {
contat += pattern[i];
}
contat.add_any();
return contat.get_str();
} else {
cout << "method not supported" << endl;
return "";
}
}
void Heavy_keeper_tester::new_window()
{
actions.clear();
}
std::string Heavy_keeper_tester::read_from_file(const char *output_file_path, const char *method)
{
if (!instance->running) {
int ret = fieldstat_set_local_output(instance, output_file_path, method);
EXPECT_EQ(0, ret);
fieldstat_instance_start(instance);
}
sleep(3);
std::ifstream ifs(output_file_path);
std::string content( (std::istreambuf_iterator<char>(ifs) ),
(std::istreambuf_iterator<char>() ) );
return content;
}
std::string Heavy_keeper_tester::read_from_line_protocol(const char *output_file_path, const char *ip, unsigned long portal)
{
if (!instance->running) {
int ret = fieldstat_set_line_protocol_server(instance, ip, portal);
fieldstat_instance_start(instance);
EXPECT_EQ(0, ret);
}
clear_file(TEST_LINE_PROTOCOL_FILE_PATH);
sleep(3);
std::ifstream ifs(output_file_path);
std::string content( (std::istreambuf_iterator<char>(ifs) ),
(std::istreambuf_iterator<char>() ) );
return content;
}
std::string Heavy_keeper_tester::read_from_prometheus(const char *output_file_path, unsigned long portal)
{
int ret;
if (g_prometheus_endpoint_instance.running != 1) {
ret = fieldstat_global_enable_prometheus_endpoint(portal, NULL);
EXPECT_EQ(0, ret);
ret = fieldstat_enable_prometheus_output(instance);
EXPECT_EQ(0, ret);
}
if (!instance->running) {
fieldstat_instance_start(instance);
}
clear_file(TEST_PROMETHEUS_FILE_PATH);
sleep(3);
char cmd[128];
sprintf(cmd, "curl -s http://127.0.0.1:%lu/metrics -o %s", portal, output_file_path);
system(cmd);
std::ifstream ifs(output_file_path);
std::string content( (std::istreambuf_iterator<char>(ifs) ),
(std::istreambuf_iterator<char>() ) );
return content;
}
void clear_file(const char *file_paths)
{
std::string clear_cmd = "cat /dev/null > " + std::string(file_paths);
system(clear_cmd.c_str());
}
int Heavy_keeper_extension_test::add_metric_of_counter(const char *metric_name, int out_window)
{
return fieldstat_register(this->instance, FIELD_TYPE_COUNTER, metric_name, NULL, 0);
}
struct fieldstat_instance *Heavy_keeper_extension_test::get_instance()
{
return this->instance;
}
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