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