106 lines
3.3 KiB
C++
106 lines
3.3 KiB
C++
/* This file is part of mastodonpp.
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* Copyright © 2020 tastytea <tastytea@tastytea.de>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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// Print new public events (/api/v1/streaming/public).
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#include "mastodonpp.hpp"
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#include <chrono>
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#include <iostream>
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#include <string>
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#include <string_view>
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#include <thread>
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#include <vector>
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namespace masto = mastodonpp;
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using namespace std::chrono_literals;
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using std::cout;
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using std::cerr;
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using std::endl;
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using std::to_string;
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using std::string_view;
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using std::thread;
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using std::this_thread::sleep_for;
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using std::vector;
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int main(int argc, char *argv[])
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{
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const vector<string_view> args(argv, argv + argc);
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if (args.size() <= 1)
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{
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cerr << "Usage: " << args[0] << " <instance hostname>\n";
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return 1;
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}
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try
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{
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// Initialize an Instance.
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masto::Instance instance{args[1], {}};
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// Initialize a Connection.
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masto::Connection connection{instance};
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// Find out if the streaming service is fine.
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auto answer{connection.get(masto::API::v1::streaming_health)};
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if (answer && answer.body == "OK")
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{
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// Make a thread, get all public events.
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thread stream_thread{[&]
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{
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answer = connection.get(masto::API::v1::streaming_public);
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}};
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// Print new events every 2 seconds, for 10 seconds.
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for (auto counter{0}; counter < 5; ++counter)
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{
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sleep_for(2s);
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for (const auto &event : connection.get_new_events())
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{
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// Print type of event and the beginning of the data.
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cout << event.type << ": "
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<< event.data.substr(0, 70) << " …" << endl;
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}
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}
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// Cancel the stream, …
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connection.cancel_stream();
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// … and wait for the thread.
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stream_thread.join();
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}
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else
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{
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if (answer.curl_error_code == 0)
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{
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// If it is no libcurl error, it must be an HTTP error.
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cerr << "HTTP status: " << answer.http_status << endl;
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}
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else
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{
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// Network errors like “Couldn't resolve host.”.
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cerr << "libcurl error " << to_string(answer.curl_error_code)
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<< ": " << answer.error_message << endl;
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}
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}
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}
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catch (const masto::CURLException &e)
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{
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// Only libcurl errors that are not network errors will be thrown.
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// There went probably something wrong with the initialization.
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cerr << e.what() << endl;
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}
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return 0;
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}
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