X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=stream.h;fp=stream.h;h=f2ba5d43dccc561ef530cf2445ea302f3a555e05;hp=d762869e281572278c3603afc0bbd70d657ceb19;hb=1c6b126fe95eb0465383ba225da764757eba05c0;hpb=4553a184fb72d199ad665f469b0ac693fb089701

diff --git a/stream.h b/stream.h
index d762869..f2ba5d4 100644
--- a/stream.h
+++ b/stream.h
@@ -15,6 +15,11 @@ class MarkPool;
 class StreamProto;
 struct Client;
 
+enum StreamStartSuitability {
+	NOT_SUITABLE_FOR_STREAM_START,
+	SUITABLE_FOR_STREAM_START,
+};
+
 struct Stream {
 	// Must be in sync with StreamConfig::Encoding.
 	enum Encoding { STREAM_ENCODING_RAW = 0, STREAM_ENCODING_METACUBE };
@@ -57,6 +62,10 @@ struct Stream {
 	// How many bytes this stream have received. Can very well be larger
 	// than <backlog_size>, since the buffer wraps.
 	size_t bytes_received;
+
+	// The last point in the stream that is suitable to start new clients at
+	// (after having sent the header). -1 if no such point exists yet.
+	ssize_t last_suitable_starting_point;
 	
 	// Clients that are in SENDING_DATA, but that we don't listen on,
 	// because we currently don't have any data for them.
@@ -74,6 +83,10 @@ struct Stream {
 	// The data pointers in the iovec are owned by us.
 	std::vector<iovec> queued_data;
 
+	// Index of the last element in queued_data that is suitable to start streaming at.
+	// -1 if none.
+	int queued_data_last_starting_point;
+
 	// Put client to sleep, since there is no more data for it; we will on
 	// longer listen on POLLOUT until we get more data. Also, it will be put
 	// in the list of clients to wake up when we do.
@@ -82,7 +95,7 @@ struct Stream {
 	// Add more data to <queued_data>, adding Metacube headers if needed.
 	// Does not take ownership of <data>.
 	// You should hold the owning Server's <queued_data_mutex>.
-	void add_data_deferred(const char *data, size_t bytes);
+	void add_data_deferred(const char *data, size_t bytes, StreamStartSuitability suitable_for_stream_start);
 
 	// Add queued data to the stream, if any.
 	// You should hold the owning Server's <mutex> _and_ <queued_data_mutex>.