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90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
/* Copyright (c) 2019 Marcelo Zimbres Silva (mzimbres at gmail dot com)
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include <iostream>
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#include <vector>
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#include <tuple>
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#include <array>
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#include <aedis/aedis.hpp>
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#include <aedis/src.hpp>
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#include "lib/net_utils.hpp"
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namespace resp3 = aedis::resp3;
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using aedis::redis::command;
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using aedis::redis::make_serializer;
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using resp3::adapt;
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namespace net = aedis::net;
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using net::async_write;
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using net::buffer;
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using net::dynamic_buffer;
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// From lib/net_utils.hpp
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using aedis::connect;
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using aedis::writer;
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net::awaitable<void> transaction()
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{
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try {
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auto socket = co_await connect();
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auto list = {"one", "two", "three"};
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std::string request;
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auto sr = make_serializer(request);
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sr.push(command::hello, 3);
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sr.push(command::flushall);
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sr.push(command::multi); // Starts a transaction
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sr.push(command::ping, "Some message");
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sr.push(command::incr, "incr1-key");
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sr.push_range(command::rpush, "list-key", std::cbegin(list), std::cend(list));
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sr.push(command::lrange, "list-key", 0, -1);
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sr.push(command::incr, "incr2-key");
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sr.push(command::exec); // Ends the transaction.
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sr.push(command::quit);
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co_await async_write(socket, buffer(request));
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// Expected responses.
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std::tuple<std::string, int, int, std::vector<std::string>, int> execs;
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// Reads the response.
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std::string buffer;
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co_await resp3::async_read(socket, dynamic_buffer(buffer)); // hello
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co_await resp3::async_read(socket, dynamic_buffer(buffer)); // flushall
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co_await resp3::async_read(socket, dynamic_buffer(buffer)); // multi
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co_await resp3::async_read(socket, dynamic_buffer(buffer)); // ping
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co_await resp3::async_read(socket, dynamic_buffer(buffer)); // incr
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co_await resp3::async_read(socket, dynamic_buffer(buffer)); // rpush
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co_await resp3::async_read(socket, dynamic_buffer(buffer)); // lrange
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co_await resp3::async_read(socket, dynamic_buffer(buffer)); // incr
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co_await resp3::async_read(socket, dynamic_buffer(buffer), adapt(execs));
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co_await resp3::async_read(socket, dynamic_buffer(buffer)); // quit
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// Prints the response to the transaction.
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std::cout << "ping: " << std::get<0>(execs) << "\n";
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std::cout << "incr1: " << std::get<1>(execs) << "\n";
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std::cout << "rpush: " << std::get<2>(execs) << "\n";
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std::cout << "lrange: ";
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for (auto const& e: std::get<3>(execs)) std::cout << e << " ";
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std::cout << "\n";
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std::cout << "incr2: " << std::get<4>(execs) << "\n";
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} catch (std::exception const& e) {
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std::cerr << e.what() << std::endl;
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exit(EXIT_FAILURE);
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}
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}
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int main()
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{
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net::io_context ioc;
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co_spawn(ioc, transaction(), net::detached);
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ioc.run();
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}
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