X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=stream.h;h=9e384a9ffd141b63fee39f44c8140b29269d9020;hp=5d570fded6f6bec0a2387d12b845466d61eee1cf;hb=7ec54788f88dde7b083ba6cfd30732b32295b54a;hpb=a3df546ba8ea6fde76bcad14cef5396c024b24be

diff --git a/stream.h b/stream.h
index 5d570fd..9e384a9 100644
--- a/stream.h
+++ b/stream.h
@@ -46,6 +46,14 @@ struct Stream {
 	// Changes the backlog size, restructuring the data as needed.
 	void set_backlog_size(size_t new_size);
 
+	// You should hold the owning Server's <mutex>, since it calls add_data_raw().
+	// Sets unavailable to false.
+	void set_header(const std::string &new_http_header, const std::string &new_stream_header);
+
+	void set_unavailable() {
+		unavailable = true;
+	}
+
 	// Mutex protecting <queued_data> and <queued_data_last_starting_point>.
 	// Note that if you want to hold both this and the owning server's
 	// <mutex> you will need to take <mutex> before this one.
@@ -53,6 +61,10 @@ struct Stream {
 
 	std::string url;
 
+	// If true, the backend is not completely connected, and thus, we cannot serve
+	// clients (except for historic HLS fragments).
+	bool unavailable = true;
+
 	// The HTTP response header, without the trailing double newline.
 	std::string http_header;
 
@@ -112,7 +124,15 @@ struct Stream {
 	// from points N-3..N-2.
 	struct FragmentStart {
 		uint64_t byte_position;
-		double pts;
+		double pts;  // Unused if begins_header is true.
+
+		// Whether the fragment started at this position is a stream header or not.
+		// Note that headers are stored _after_ the fragments they are headers for,
+		// so that they rotate out of the backlog last (and also because they are
+		// conveniently written then). The most current header is _not_ stored
+		// in the backlog; it is stored in stream_header. Only when replaced
+		// is it committed to the backlog and gets an entry here.
+		bool begins_header;
 	};
 	std::deque<FragmentStart> fragments;
 	uint64_t first_fragment_index = 0, discontinuity_counter = 0;