#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;
};
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 {
// Start a new thread that handles clients.
void run();
+
+ // 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);
void add_data(const std::string &stream_id, const char *data, size_t bytes);
private:
+ pthread_t worker_thread;
+
+ // All variables below this line are protected by the mutex.
pthread_mutex_t mutex;
+ // If the thread should stop or not.
+ 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;
// 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.
// 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)