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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 information about an instance (/api/v1/instance).
+
+#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)
+ {
+ cout << "----------------------------------------" << endl;
+ sleep_for(2s);
+ cout << connection.get_new_stream_contents() << endl;
+ }
+
+ // Cancel the stream, …
+ connection.cancel_stream();
+ // … and get the rest of the data.
+ cout << connection.get_new_stream_contents() << endl;
+ 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;
+}