When we get a header, retroactively send it out to all clients that have received...

[cubemap] / server.h

diff --git a/server.h b/server.h
index 6311c68095c6ef9558bbb7518fb5e8d9a2caae02..65ac6b805435f413d4e6bd0f5bfbf84e747aacff 100644 (file)
--- a/server.h
+++ b/server.h
@@ -12,10 +12,18 @@
 #define EPOLL_TIMEOUT_MS 20
 #define MAX_CLIENT_REQUEST 16384
 
+class ClientProto;
+class CubemapStateProto;
+class StreamProto;
+
 struct Client {
        Client() {}
        Client(int sock);
 
+       // Serialization/deserialization.
+       Client(const ClientProto &serialized);
+       ClientProto serialize() const;
+
        // The file descriptor associated with this socket.
        int sock;
 
@@ -43,15 +51,27 @@ struct Client {
 };
 
 struct Stream {
+       Stream(const std::string &stream_id);
+       ~Stream();
+
+       // Serialization/deserialization.
+       Stream(const StreamProto &serialized);
+       StreamProto serialize() const;
+
+       std::string stream_id;
+
        // The HTTP response header, plus the video stream header (if any).
        std::string header;
 
        // The stream data itself, stored in a circular buffer.
-       char data[BACKLOG_SIZE];
+       char *data;
 
        // How many bytes <data> contains. Can very well be larger than BACKLOG_SIZE,
        // since the buffer wraps.
        size_t data_size;
+
+private:
+       Stream(const Stream& other);
 };
 
 class Server {
@@ -64,6 +84,8 @@ public:
        // Stop the thread.
        void stop();
 
+       CubemapStateProto serialize() const;
+
        void add_client(int sock);
        void add_stream(const std::string &stream_id);
        void set_header(const std::string &stream_id, const std::string &header);
@@ -79,7 +101,7 @@ private:
        bool should_stop;       
 
        // Map from stream ID to stream.
-       std::map<std::string, Stream> streams;
+       std::map<std::string, Stream *> streams;
 
        // Map from file descriptor to client.
        std::map<int, Client> clients;
@@ -104,10 +126,13 @@ private:
        // Close a given client socket, and clean up after it.
        void close_client(Client *client);
 
-       // Parse the HTTP request, construct the header, and set the client into
-       // the SENDING_HEADER state.
+       // Parse the HTTP request.
        void parse_request(Client *client);
 
+       // Construct the HTTP header, and set the client into
+       // the SENDING_HEADER state.
+       void construct_header(Client *client);
+
        // 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.
@@ -115,6 +140,9 @@ private:
 
        // We have more data, so mark all clients that are sleeping as ready to go.
        void wake_up_all_clients();
+
+       // TODO: This function should probably die.
+       Stream *find_stream(const std::string &stream_id);
 };
 
 #endif  // !defined(_SERVER_H)