-bool parse_url(const std::string &url, std::string *protocol, std::string *host, std::string *port, std::string *path);
+bool parse_url(const std::string &url, std::string *protocol, std::string *user, std::string *host, std::string *port, std::string *path);
+
+// Figure out the right type of input based on the URL, and create a new Input of the right type.
+// Will return NULL if unknown.
+Input *create_input(const std::string &url);
+Input *create_input(const InputProto &serialized);
+
+// Digested statistics for writing to logs etc.
+struct InputStats {
+ std::string url;
+
+ // The number of bytes we have received so far, including any Metacube headers.
+ //
+ // Not reset across connections.
+ size_t bytes_received;
+
+ // The number of data bytes we have received so far (or more precisely,
+ // number of data bytes we have sent on to the stream). This excludes Metacube
+ // headers and corrupted data we've skipped.
+ //
+ // Not reset across connections.
+ size_t data_bytes_received;
+
+ // When the current connection was initiated. -1 if we are not currently connected.
+ time_t connect_time;
+
+ // TODO: Number of loss events might both be useful,
+ // similar to for clients. Also, per-connection byte counters.
+};