/* src/client/io.h
+ *
+ * This file is part of PlomRogue. PlomRogue is licensed under the GPL version 3
+ * or any later version. For details on its copyright, license, and warranties,
+ * see the file NOTICE in the root directory of the PlomRogue source package.
*
* Communication of the client with the server (by reading and writing files)
* and the user (by writing to the screen and reading keypresses).
-/* Try sending "msg" to the server by writing it to the file at
- * world.path_server_in. Try to open it 2^16 times before giving up. After
- * opening, try to write to it 2^16 times before giving up.
+/* Write "msg" plus newline to server input file at world.path_server_in.
+ *
+ * "msg" must fit into size defined by PIPE_BUF so that no race conditiosn
+ * arise by many clients writing to the file in parallel.
*/
-extern void try_send(char * msg);
-
-/* Keep checking for user input and a changed server out file. Update client's
- * world representation on out file changes. Manipulate the client and send
- * commands to server based on the user input as interpreted by the control.h
- * library. On each change / activity, re-draw the windows with draw_all_wins().
- * When the loop ends regularly (due to the user sending a quit command), return
- * an appropriate quit message to write to stdout when the client winds down.
+extern void send(char * msg);
+
+/* Keep checking for user input, a changed worldstate file, and queue input from
+ * the server's out file. Update client's world representation on worldstate
+ * file changes. Manipulate the client and send commands to server based on the
+ * user input as interpreted by the control.h library.
+ *
+ * On each change / activity, re-draw the windows with draw_all_wins(). When the
+ * loop ends regularly (due to the user sending a quit command), return an
+ * appropriate quit message to write to stdout when the client winds down. Call
+ * reset_windows() on receiving a SIGWINCH. Abort on assumed server death if the
+ * server's out file does not get updated, even on PING requests. Re-focus map
+ * view on player if world.autofocus is set. Messages from the out file are put
+ * together on the queue first, from which only complete (\n-delimited) messages
+ * are read. Queues of messages are worked through completely / emptied before
+ * any re-drawing or further server polling happens.
*/
extern char * io_loop();
projects / plomrogue / blobdiff