14 // Digested statistics for writing to logs etc.
18 // The number of bytes we have received so far, including any Metacube headers.
20 // Not reset across connections.
21 size_t bytes_received = 0;
23 // The number of data bytes we have received so far (or more precisely,
24 // number of data bytes we have sent on to the stream). This excludes Metacube
25 // headers, metadata and corrupted data we've skipped.
27 // Not reset across connections.
28 size_t data_bytes_received = 0;
30 // Same, except counts only Metacube metadata.
31 size_t metadata_bytes_received = 0;
33 // When the current connection was initiated. -1 if we are not currently connected.
34 time_t connect_time = -1;
36 // Last latency measurement, HUGE_VAL if no measurement yet.
37 double latency_sec = HUGE_VAL;
39 // TODO: Number of loss events might both be useful,
40 // similar to for clients. Also, per-connection byte counters.
43 class Input : public Thread {
45 // Must be in sync with StreamConfig::Encoding.
46 enum Encoding { INPUT_ENCODING_RAW = 0, INPUT_ENCODING_METACUBE };
49 virtual InputProto serialize() const = 0;
50 virtual std::string get_url() const = 0;
51 virtual void close_socket() = 0;
52 virtual void add_destination(int stream_index) = 0;
54 // Note: May be called from a different thread, so must be thread-safe.
55 virtual InputStats get_stats() const = 0;
58 // Extremely rudimentary URL parsing.
59 bool parse_url(const std::string &url, std::string *protocol, std::string *user, std::string *host, std::string *port, std::string *path);
61 // Figure out the right type of input based on the URL, and create a new Input of the right type.
62 // Will return nullptr if unknown.
63 Input *create_input(const std::string &url, Input::Encoding encoding);
64 Input *create_input(const InputProto &serialized);
66 #endif // !defined(_INPUT_H)