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88 lines
2.5 KiB
C++
88 lines
2.5 KiB
C++
/* Copyright (c) 2019 - 2021 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 <aedis/aedis.hpp>
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#include <iostream>
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#include <set>
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#include <vector>
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#include <unordered_map>
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#include "utils.ipp"
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using aedis::command;
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using aedis::resp3::serializer;
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using aedis::resp3::async_read;
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using aedis::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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/* An example on how to read sets in C++ containers.
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*/
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net::awaitable<void> containers()
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{
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try {
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auto socket = co_await connect();
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std::set<std::string> set
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{"one", "two", "three", "four"};
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serializer<command> sr;
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sr.push(command::hello, 3);
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sr.push(command::flushall);
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sr.push_range(command::sadd, "key", std::cbegin(set), std::cend(set));
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sr.push(command::smembers, "key");
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sr.push(command::smembers, "key");
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sr.push(command::smembers, "key");
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sr.push(command::quit);
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co_await async_write(socket, buffer(sr.request()));
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// Objects to hold the responses.
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int sadd;
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std::vector<std::string> smembers1;
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std::set<std::string> smembers2;
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std::unordered_set<std::string> smembers3;
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// Reads the responses.
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std::string buffer;
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co_await async_read(socket, buffer); // hello
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co_await async_read(socket, buffer); // flushall
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co_await async_read(socket, buffer, adapt(sadd));
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co_await async_read(socket, buffer, adapt(smembers1));
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co_await async_read(socket, buffer, adapt(smembers2));
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co_await async_read(socket, buffer, adapt(smembers3));
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co_await async_read(socket, buffer);
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// Prints the responses.
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std::cout << "sadd: " << sadd << "\n" ;
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std::cout << "smembers (as vector): ";
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for (auto const& e: smembers1) std::cout << e << " ";
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std::cout << "\n";
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std::cout << "smembers (as set): ";
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for (auto const& e: smembers2) std::cout << e << " ";
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std::cout << "\n";
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std::cout << "smembers (as unordered_set): ";
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for (auto const& e: smembers3) std::cout << e << " ";
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std::cout << "\n";
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} catch (std::exception const& e) {
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std::cerr << e.what() << std::endl;
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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, containers(), net::detached);
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ioc.run();
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}
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/// \example sets.cpp
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