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99 lines
3.1 KiB
C++
99 lines
3.1 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 <iostream>
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#include <string>
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#include <vector>
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#include <list>
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#include <deque>
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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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/* Shows how to work with redis lists.
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First we store a list of elements in a redis list, then the list is
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read back in different C++ containers to give the user a feeling of
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what is possible.
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To store your own types in the lists see serialization.cpp.
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*/
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net::awaitable<void> ping()
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{
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try {
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auto socket = co_await connect();
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// Creates and sends the request.
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auto vec = {1, 2, 3, 4, 5, 6};
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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_range(command::rpush, "key", std::cbegin(vec), std::cend(vec));
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sr.push(command::lrange, "key", 0, -1);
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sr.push(command::lrange, "key", 0, -1);
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sr.push(command::lrange, "key", 0, -1);
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sr.push(command::lrange, "key", 0, -1);
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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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int rpush;
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std::vector<std::string> svec;
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std::list<std::string> slist;
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std::deque<std::string> sdeq;
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std::vector<int> ivec;
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// Reads the responses.
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std::string rbuffer;
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co_await resp3::async_read(socket, dynamic_buffer(rbuffer)); // hello
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co_await resp3::async_read(socket, dynamic_buffer(rbuffer)); // flushall
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co_await resp3::async_read(socket, dynamic_buffer(rbuffer), adapt(rpush)); // rpush
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co_await resp3::async_read(socket, dynamic_buffer(rbuffer), adapt(svec));
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co_await resp3::async_read(socket, dynamic_buffer(rbuffer), adapt(slist));
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co_await resp3::async_read(socket, dynamic_buffer(rbuffer), adapt(sdeq));
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co_await resp3::async_read(socket, dynamic_buffer(rbuffer), adapt(ivec));
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co_await resp3::async_read(socket, dynamic_buffer(rbuffer)); // quit
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// Prints the responses.
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std::cout << "rpush: " << rpush;
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std::cout << "\nlrange (as vector): ";
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for (auto e: svec) std::cout << e << " ";
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std::cout << "\nlrange (as list): ";
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for (auto e: slist) std::cout << e << " ";
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std::cout << "\nlrange (as deque): ";
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for (auto e: sdeq) std::cout << e << " ";
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std::cout << "\nlrange (as vector<int>): ";
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for (auto e: ivec) std::cout << e << " ";
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std::cout << std::endl;
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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, ping(), net::detached);
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ioc.run();
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}
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