2005-12-02 Richard D. Worth <richard@theworths.org>

[ttt] / src / ttt-socket.h

diff --git a/src/ttt-socket.h b/src/ttt-socket.h
index 59e89a514b6fd1d2d92af21cfe1e9f4dba2e2eb6..c3ca0bdd604263e65e49af91f1a106ad36b79b03 100644 (file)
--- a/src/ttt-socket.h
+++ b/src/ttt-socket.h
@@ -24,7 +24,8 @@
 
 #include "ttt.h"
 
-typedef void (*ttt_socket_dispatch_func_t) (int connected_socket);
+typedef void (*ttt_socket_accept_func_t) (void *closure,
+                                         int    connected_socket);
 
 /* Create a socket, bind it to the given host and port, and listen in
  * preparation for incoming connections. See ttt_socket_accept for a
@@ -45,10 +46,51 @@ ttt_socket_create_server (const char *host, const char *port);
 
 /* Wait for an incoming connection on listen_socket, (which should be
  * a valid socket on which bind and listen have already been
- * called---see ttt_socket_create_server), then call the dispatch
- * function with the new socket from the connection.
+ * called---see ttt_socket_create_server), then call the accept
+ * function with the closure argument and the new socket from the
+ * connection.
  */
 void
-ttt_socket_accept (int listen_socket, ttt_socket_dispatch_func_t dispatch);
+ttt_socket_accept (int                          listen_socket,
+                  ttt_socket_accept_func_t      accept,
+                  void                         *closure);
+
+/* Create a socket, and connect it to the given host and port,
+ * returing it in socket_ret.
+ *
+ * Lookup for host (e.g. /etc/hosts and DNS) and port (e.g /etc/services)
+ * will be performed if necessary.
+ *
+ * Return value: TTT_STATUS_SUCCESS if successful.
+ *              TTT_STATUS_CONNECTION_REFUSED: no server listening.
+ *              TTT_STATUS_NETWORK_UNREACHABLE: <obvious meaning>
+ *
+ * Errors: If any error other than those listed above occurs, this
+ * function will not return.
+ */
+ttt_status_t
+ttt_socket_create_client (const char   *host,
+                         const char    *port,
+                         int           *socket_ret);
+
+/* Perform a blocking read, until all count bytes are read from the
+ * socket to buf, which must be of size count or larger.
+ *
+ * Errors: If any errors occur, this function does not return.
+ */
+void
+ttt_socket_read (int    socket,
+                void   *buf,
+                size_t  count);
+
+/* Perform a blocking write, until all count bytes are written from
+ * buf to the socket.
+ *
+ * Errors: If any errors occur, this function does not return.
+ */
+void
+ttt_socket_write (int           socket,
+                 const void    *buf,
+                 size_t         count);
 
 #endif