Add support for forced prebuffering.

[cubemap] / client.h

diff --git a/client.h b/client.h
index 47770d19e820d0ba472ab8f576bb24f17e88f0c2..d23b860767e16ecc372ab5726c6df8f2044ae7e3 100644 (file)
--- a/client.h
+++ b/client.h
@@ -12,14 +12,16 @@ struct Stream;
 
 // Digested statistics for writing to logs etc.
 struct ClientStats {
-       std::string stream_id;
+       std::string url;
+       int sock;
        std::string remote_addr;
        time_t connect_time;
        size_t bytes_sent;
+       size_t bytes_lost;
+       size_t num_loss_events;
 };
 
 struct Client {
-       Client() {}
        Client(int sock);
 
        // Serialization/deserialization.
@@ -31,14 +33,11 @@ struct Client {
        // The file descriptor associated with this socket.
        int sock;
 
-       // The fwmark associated with this socket (or 0).
-       int fwmark;
-
        // Some information only used for logging.
        std::string remote_addr;
        time_t connect_time;
 
-       enum State { READING_REQUEST, SENDING_HEADER, SENDING_DATA, SENDING_ERROR };
+       enum State { READING_REQUEST, SENDING_HEADER, SENDING_DATA, SENDING_ERROR, WAITING_FOR_KEYFRAME, PREBUFFERING };
        State state;
 
        // The HTTP request, as sent by the client. If we are in READING_REQUEST,
@@ -47,7 +46,7 @@ struct Client {
 
        // What stream we're connecting to; parsed from <request>.
        // Not relevant for READING_REQUEST.
-       std::string stream_id;
+       std::string url;
        Stream *stream;
 
        // The header we want to send. This is nominally a copy of Stream::header,
@@ -60,8 +59,19 @@ struct Client {
        size_t header_or_error_bytes_sent;
 
        // Number of bytes we are into the stream (ie., the end of last send).
-       // Only relevant for SENDING_DATA.
+       // -1 means we want to send from the end of the backlog (the normal case),
+       // although only at a keyframe.
+       // -2 means we want to send from the _beginning_ of the backlog.
+       // Once we go into WAITING_FOR_KEYFRAME, PREBUFFERING or SENDING_DATA,
+       // these negative values will be translated to real numbers.
        size_t stream_pos;
+
+       // Number of bytes we've sent of data. Only relevant for SENDING_DATA.
+       size_t bytes_sent;
+
+       // Number of times we've skipped forward due to the backlog being too big,
+       // and how many bytes we've skipped over in all. Only relevant for SENDING_DATA.
+       size_t bytes_lost, num_loss_events;
 };
 
 #endif  // !defined(_CLIENT_H)