-struct Client {
- Client() {}
- Client(int sock);
-
- // Serialization/deserialization.
- Client(const ClientProto &serialized);
- ClientProto serialize() const;
-
- // The file descriptor associated with this socket.
- int sock;
-
- enum State { READING_REQUEST, SENDING_HEADER, SENDING_DATA, SENDING_ERROR };
- State state;
-
- // The HTTP request, as sent by the client. If we are in READING_REQUEST,
- // this might not be finished.
- std::string request;
-
- // What stream we're connecting to; parsed from <request>.
- // Not relevant for READING_REQUEST.
- std::string stream_id;
-
- // The header we want to send. This is nominally a copy of Stream::header,
- // but since that might change on reconnects etc., we keep a local copy here.
- // Only relevant for SENDING_HEADER or SENDING_ERROR; blank otherwise.
- std::string header_or_error;
-
- // Number of bytes we've sent of the header. Only relevant for SENDING_HEADER
- // or SENDING_ERROR.
- size_t header_or_error_bytes_sent;
-
- // Number of bytes we've sent of data. Only relevant for SENDING_DATA.
- size_t bytes_sent;
-};
-
-struct Stream {
- Stream(const std::string &stream_id);
- ~Stream();
-
- // Serialization/deserialization.
- Stream(const StreamProto &serialized);
- StreamProto serialize() const;
-
- std::string stream_id;
-
- // The HTTP response header, plus the video stream header (if any).
- std::string header;
-
- // The stream data itself, stored in a circular buffer.
- char *data;
-
- // How many bytes <data> contains. Can very well be larger than BACKLOG_SIZE,
- // since the buffer wraps.
- size_t data_size;
-
-private:
- Stream(const Stream& other);
-};
-
-class Server {