cpp_redis/examples/cpp_redis_high_availability_client.cpp at master · cpp-redis/cpp_redis · GitHub

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// The MIT License (MIT)

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to deal

// in the Software without restriction, including without limitation the rights

// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in all

// copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

// SOFTWARE.

#include <cpp_redis/cpp_redis>

#include <iostream>

#include "winsock_initializer.h"

int

main(void) {

winsock_initializer winsock_init;

//! Enable logging

cpp_redis::active_logger = std::unique_ptr<cpp_redis::logger>(new cpp_redis::logger);

//! High availability requires at least 2 io service workers

cpp_redis::network::set_default_nb_workers(2);

cpp_redis::client client;

//! Add your sentinels by IP/Host & Port

client.add_sentinel("127.0.0.1", 26379);

//! Call connect with optional timeout

//! Can put a loop around this until is_connected() returns true.

client.connect("mymaster", [](const std::string& host, std::size_t port, cpp_redis::connect_state status) {

if (status == cpp_redis::connect_state::dropped) {

std::cout << "client disconnected from " << host << ":" << port << std::endl;

}

0, -1, 5000);

// same as client.send({ "SET", "hello", "42" }, ...)

client.set("hello", "42", [](cpp_redis::reply& reply) {

std::cout << "set hello 42: " << reply << std::endl;

// if (reply.is_string())

// do_something_with_string(reply.as_string())

});

while (true) {

// same as client.send({ "DECRBY", "hello", 12 }, ...)

client.incrby("hello", 12, [](cpp_redis::reply& reply) {

std::cout << "incrby hello 12: " << reply << std::endl;

// if (reply.is_integer())

// do_something_with_integer(reply.as_integer())

});

// same as client.send({ "GET", "hello" }, ...)

client.get("hello", [](cpp_redis::reply& reply) {

std::cout << "get hello: " << reply << std::endl;

// if (reply.is_string())

// do_something_with_string(reply.as_string())

});

// commands are pipelined and only sent when client.commit() is called

// client.commit();

// synchronous commit, no timeout

client.sync_commit();

std::cout << std::endl;

std::this_thread::sleep_for(std::chrono::milliseconds(3000));

}

return 0;

}

cpp_redis/examples/cpp_redis_high_availability_client.cpp at master · cpp-redis/cpp_redis · GitHub

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