110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
// This file is part of mastodon-cpp.
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// Listen to /api/v1/streaming/public and display the events.
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// Don't compile this if the Easy-interface is turned off
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#ifndef WITHOUT_EASY
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#include <iostream>
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#include <string>
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#include <cstdint>
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#include <mutex>
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#include <chrono>
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#include <vector>
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#include "mastodon-cpp.hpp"
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#include "easy/all.hpp"
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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::string;
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using std::uint8_t;
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using namespace Mastodon;
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int main(int argc, char *argv[])
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{
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if (argc < 2)
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{
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std::cerr << "usage: " << argv[0] << " <instance>\n";
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return 1;
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}
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// Construct a Mastodon::Easy object without authorization token.
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Easy::API masto(argv[1], "");
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// Prepare a pointer to the http object, to cancel the stream later.
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std::unique_ptr<API::http> ptr;
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// This variable is filled with the stream data.
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string stream;
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// Get the public timeline. The pointer is set here.
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masto.get_stream(API::v1::streaming_public, ptr, stream);
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// Listen to the stream for 120 seconds.
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for (uint8_t counter = 0; counter < 120; ++counter)
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{
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std::this_thread::sleep_for(std::chrono::seconds(1));
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// Acquire lock for the stream variable to avoid simultaneous access.
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std::lock_guard<std::mutex> lock(ptr->get_mutex());
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// Parse event stream into a vector.
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std::vector<Easy::stream_event_type> events
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= Easy::parse_stream(stream);
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// Clear the stream buffer.
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stream.clear();
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for (const Easy::stream_event_type &event : events)
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{
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// Print out some information about the events.
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switch (event.type)
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{
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case Easy::event_type::Update:
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{
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Easy::Status status(event.data);
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cout << "[" << status.created_at().strtime("%T") << "] ";
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cout << "Status from: " << status.account().acct()
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<< " (" << status.url() << ")\n";
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break;
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}
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case Easy::event_type::Notification:
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{
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Easy::Notification notification(event.data);
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cout << "Notification involving: "
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<< notification.account().acct()
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<< " (" << notification.id() << ")\n";
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break;
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}
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case Easy::event_type::Delete:
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{
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cout << "Deleted: " << event.data << endl;
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break;
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}
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case Easy::event_type::Error:
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{
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// Errors are reported in-stream. Print error and exit.
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cerr << "Error: " << event.data << endl;
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ptr->cancel_stream();
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return 1;
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}
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default:
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{
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cout << "Something undefined happened. 😱\n";
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cout << event.data << endl;
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}
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}
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}
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}
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// Close connection.
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ptr->cancel_stream();
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return 0;
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}
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#else
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#include <cstdio>
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int main()
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{
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std::printf("mastodon-cpp was compiled without Easy support.\n");
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return 255;
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}
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#endif // WITHOUT_EASY
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