Track stream start suitability separately for each data block added.

[cubemap] / server.h

diff --git a/server.h b/server.h
index 4b3aab8e9b7250eb47e634805f1978c5a4071ce2..79c35f82e8bf065a9fe9e7f6bff33ef8eb3b6a23 100644 (file)
--- a/server.h
+++ b/server.h
@@ -8,6 +8,7 @@
 #include <sys/types.h>
 #include <time.h>
 #include <map>
+#include <queue>
 #include <string>
 #include <vector>
 
@@ -21,9 +22,9 @@ struct Stream;
 #define EPOLL_MAX_EVENTS 8192
 #define EPOLL_TIMEOUT_MS 20
 #define MAX_CLIENT_REQUEST 16384
+#define REQUEST_READ_TIMEOUT_SEC 60
 
 class CubemapStateProto;
-class MarkPool;
 class StreamProto;
 
 class Server : public Thread {
@@ -39,9 +40,9 @@ public:
                        const std::string &http_header,
                        const std::string &stream_header);
 
-       // Set that the given stream should use the given mark pool from now on.
+       // Set that the given stream should use the given max pacing rate from now on.
        // NOTE: This should be set before any clients are connected!
-       void set_mark_pool(int stream_index, MarkPool *mark_pool);
+       void set_pacing_rate(int stream_index, uint32_t pacing_rate);
 
        // These will be deferred until the next time an iteration in do_work() happens,
        // and the order between them are undefined.
@@ -54,10 +55,11 @@ public:
        // at the same time).
        CubemapStateProto serialize();
        void add_client_from_serialized(const ClientProto &client);
-       int add_stream(const std::string &url, size_t bytes_received, Stream::Encoding encoding);
+       int add_stream(const std::string &url, size_t bytes_received, size_t prebuffering_bytes, Stream::Encoding encoding);
        int add_stream_from_serialized(const StreamProto &stream, int data_fd);
        int lookup_stream_by_url(const std::string &url) const;
        void set_backlog_size(int stream_index, size_t new_size);
+       void set_prebuffering_bytes(int stream_index, size_t new_amount);
        void set_encoding(int stream_index, Stream::Encoding encoding);
 
 private:
@@ -90,6 +92,19 @@ private:
        // Map from file descriptor to client.
        std::map<int, Client> clients;
 
+       // A list of all clients, ordered by the time they connected (first element),
+       // and their file descriptor (second element). It is ordered by connection time
+       // (and thus also by read timeout time) so that we can read clients from the
+       // start and stop processing once we get to one that isn't ready to be
+       // timed out yet (which means we only have to look at each client exactly once,
+       // save for the first element of the queue, which is always checked).
+       //
+       // Note that when we delete a client, we don't update this queue.
+       // This means that when reading it, we need to check if the client it
+       // describes is still exists (ie., that the fd still exists, and that
+       // the timespec matches).
+       std::queue<std::pair<timespec, int> > clients_ordered_by_connect_time;
+
        // Used for epoll implementation (obviously).
        int epoll_fd;
        epoll_event events[EPOLL_MAX_EVENTS];