67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
|
/*
|
||
|
|
* ws_redis_subscribe.cpp
|
||
|
|
* Author: Benjamin Sergeant
|
||
|
|
* Copyright (c) 2019 Machine Zone, Inc. All rights reserved.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <iostream>
|
||
|
|
#include <sstream>
|
||
|
|
#include <chrono>
|
||
|
|
#include "IXRedisClient.h"
|
||
|
|
|
||
|
|
namespace ix
|
||
|
|
{
|
||
|
|
int ws_redis_subscribe_main(const std::string& hostname,
|
||
|
|
int port,
|
||
|
|
const std::string& channel,
|
||
|
|
bool verbose)
|
||
|
|
{
|
||
|
|
RedisClient redisClient;
|
||
|
|
if (!redisClient.connect(hostname, port))
|
||
|
|
{
|
||
|
|
std::cerr << "Cannot connect to redis host" << std::endl;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
std::chrono::time_point<std::chrono::steady_clock> lastTimePoint;
|
||
|
|
int msgPerSeconds = 0;
|
||
|
|
int msgCount = 0;
|
||
|
|
|
||
|
|
auto callback = [&lastTimePoint, &msgPerSeconds, &msgCount, verbose]
|
||
|
|
(const std::string& message)
|
||
|
|
{
|
||
|
|
if (verbose)
|
||
|
|
{
|
||
|
|
std::cout << message << std::endl;
|
||
|
|
}
|
||
|
|
|
||
|
|
msgPerSeconds++;
|
||
|
|
|
||
|
|
auto now = std::chrono::steady_clock::now();
|
||
|
|
if (now - lastTimePoint > std::chrono::seconds(1))
|
||
|
|
{
|
||
|
|
lastTimePoint = std::chrono::steady_clock::now();
|
||
|
|
|
||
|
|
msgCount += msgPerSeconds;
|
||
|
|
|
||
|
|
// #messages 901 msg/s 150
|
||
|
|
std::cout << "#messages " << msgCount << " "
|
||
|
|
<< "msg/s " << msgPerSeconds
|
||
|
|
<< std::endl;
|
||
|
|
|
||
|
|
msgPerSeconds = 0;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
std::cerr << "Subscribing to " << channel << "..." << std::endl;
|
||
|
|
if (!redisClient.subscribe(channel, callback))
|
||
|
|
{
|
||
|
|
std::cerr << "Error subscribing to channel " << channel << std::endl;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|