X-Git-Url: https://git.sesse.net/?p=cubemap;a=blobdiff_plain;f=input.h;h=28bc14b09b309f4dc034ff665136513c75864d8d;hp=c293071ecfa7a9f7aae9562905841cac690dc040;hb=9b565a9e6e66f076abb7266b2c2f015f585fa9cb;hpb=519ddcdf0458032a2024d7acc57642fe27829dc0

diff --git a/input.h b/input.h
index c293071..28bc14b 100644
--- a/input.h
+++ b/input.h
@@ -4,35 +4,89 @@
 #include <vector>
 #include <string>
 
+class InputProto;
+
 class Input {
 public:
-	Input(const std::string &stream_id);
+	Input(const std::string &stream_id, const std::string &url);
+
+	// Serialization/deserialization.
+	Input(const InputProto &serialized);
+	InputProto serialize() const;
 
 	// Connect to the given URL and start streaming.
-	// WARNING: Currently this blocks; it does not run in a separate thread!
-	void run(const std::string &url);
+	void run();
+
+	// Stops the streaming, but lets the file descriptor stay open.
+	void stop();
+
+	std::string get_url() const { return url; }
 
 private:
-	// Recovers the this pointer and calls curl_callback().
-	static size_t curl_callback_thunk(char *ptr, size_t size, size_t nmemb, void *userdata);
+	// Recovers the this pointer and calls do_work().
+	static void *do_work_thunk(void *arg);
+
+	// Actually does the download.
+	void do_work();
+	
+	// Open a socket that connects to the given host and port. Does DNS resolving.
+	int lookup_and_connect(const std::string &host, const std::string &port);
+
+	// Parses a HTTP response. Returns false if it not a 200.
+	bool parse_response(const std::string &response);
 
 	// Stores the given data, looks for Metacube blocks (skipping data if needed),
 	// and calls process_block() for each one.
-	void curl_callback(char *ptr, size_t bytes);
-	void process_block(const char *data, uint32_t size, uint32_t flags);
+	void process_data(char *ptr, size_t bytes);
 
 	// Drops <num_bytes> bytes from the head of <pending_data>,
 	// and outputs a warning.
 	void drop_pending_data(size_t num_bytes);
 
+	enum State {
+		NOT_CONNECTED,
+		SENDING_REQUEST,
+		RECEIVING_HEADER,
+		RECEIVING_DATA,
+		CLOSING_SOCKET,  // Due to error.
+	};
+	State state;
+
 	std::string stream_id;
 
+	// The URL and its parsed components.
+	std::string url;
+	std::string host, port, path;
+
+	// The HTTP request, with headers and all.
+	// Only relevant for SENDING_REQUEST.
+	std::string request;
+
+	// How many bytes we've sent of the request so far.
+	// Only relevant for SENDING_REQUEST.
+	size_t request_bytes_sent;
+
+	// The HTTP response we've received so far. Only relevant for RECEIVING_HEADER.
+	std::string response;
+
+	// The HTTP respones headers we want to give clients for this input.
+	std::string http_header;
+
 	// Data we have received but not fully processed yet.
 	std::vector<char> pending_data;
 
 	// If <pending_data> starts with a Metacube header,
 	// this is true.
 	bool has_metacube_header;
+
+	// The socket we are downloading on (or -1).
+	int sock;	
+
+	// Handle to the thread that actually does the download.
+	pthread_t worker_thread;
+
+	// Whether we should stop or not.
+	volatile bool should_stop;
 };
 
 #endif  // !defined(_INPUT_H)