mirror of
https://github.com/ClickHouse/ClickHouse.git
synced 2024-11-14 19:45:11 +00:00
80 lines
2.6 KiB
C++
80 lines
2.6 KiB
C++
#pragma once
|
||
|
||
#include <string>
|
||
#include <time.h>
|
||
#include <Poco/Net/StreamSocket.h>
|
||
#include <Poco/Net/SocketStream.h>
|
||
#include <Poco/Util/Application.h>
|
||
#include <common/logger_useful.h>
|
||
|
||
|
||
/// пишет в Graphite данные в формате
|
||
/// path value timestamp\n
|
||
/// path может иметь любую вложенность. Директории разделяются с помощью "."
|
||
/// у нас принят следующий формат path - root_path.server_name.sub_path.key
|
||
class GraphiteWriter
|
||
{
|
||
public:
|
||
GraphiteWriter(const std::string & config_name, const std::string & sub_path = "");
|
||
|
||
template <typename T> using KeyValuePair = std::pair<std::string, T>;
|
||
template <typename T> using KeyValueVector = std::vector<KeyValuePair<T>>;
|
||
|
||
template <typename T> void write(const std::string & key, const T & value,
|
||
time_t timestamp = 0, const std::string & custom_root_path = "")
|
||
{
|
||
writeImpl(KeyValuePair<T>{ key, value }, timestamp, custom_root_path);
|
||
}
|
||
|
||
template <typename T> void write(const KeyValueVector<T> & key_val_vec,
|
||
time_t timestamp = 0, const std::string & custom_root_path = "")
|
||
{
|
||
writeImpl(key_val_vec, timestamp, custom_root_path);
|
||
}
|
||
|
||
/// возвращает путь root_path.server_name
|
||
static std::string getPerServerPath(const std::string & server_name, const std::string & root_path = "one_min");
|
||
private:
|
||
template <typename T>
|
||
void writeImpl(const T & data, time_t timestamp, const std::string & custom_root_path)
|
||
{
|
||
if (!timestamp)
|
||
timestamp = time(0);
|
||
|
||
try
|
||
{
|
||
Poco::Net::SocketAddress socket_address(host, port);
|
||
Poco::Net::StreamSocket socket(socket_address);
|
||
socket.setSendTimeout(Poco::Timespan(timeout * 1000000));
|
||
Poco::Net::SocketStream str(socket);
|
||
|
||
out(str, data, timestamp, custom_root_path);
|
||
}
|
||
catch (const Poco::Exception & e)
|
||
{
|
||
LOG_WARNING(&Poco::Util::Application::instance().logger(),
|
||
"Fail to write to Graphite " << host << ":" << port << ". e.what() = " << e.what() << ", e.message() = " << e.message());
|
||
}
|
||
}
|
||
|
||
template <typename T>
|
||
void out(std::ostream & os, const KeyValuePair<T> & key_val, time_t timestamp, const std::string & custom_root_path)
|
||
{
|
||
os << (custom_root_path.empty() ? root_path : custom_root_path) <<
|
||
'.' << key_val.first << ' ' << key_val.second << ' ' << timestamp << '\n';
|
||
}
|
||
|
||
template <typename T>
|
||
void out(std::ostream & os, const KeyValueVector<T> & key_val_vec, time_t timestamp, const std::string & custom_root_path)
|
||
{
|
||
for (const auto & key_val : key_val_vec)
|
||
out(os, key_val, timestamp, custom_root_path);
|
||
}
|
||
|
||
std::string root_path;
|
||
|
||
int port;
|
||
std::string host;
|
||
double timeout;
|
||
};
|