1 files changed, 64 insertions, 0 deletions
diff --git a/vio/Vio.h b/vio/Vio.h
new file mode 100644
index 00000000000..959d472873f
--- /dev/null
+++ b/vio/Vio.h
@@ -0,0 +1,64 @@
+/*
+ * Abstract Virtual IO interface - class Vio. Heavily
+ * influenced by Berkeley sockets and oriented toward MySQL.
+ */
+
+/* 
+**  Virtual I/O library
+**  Written by Andrei Errapart <andreie@no.spam.ee>
+**  Modified by Monty
+*/
+
+#ifdef __GNUC__
+#pragma interface			/* gcc class implementation */
+#endif
+
+VIO_NS_BEGIN
+
+enum enum_vio_type { VIO_CLOSED, VIO_TYPE_TCPIP, VIO_TYPE_SOCKET,
+		     VIO_TYPE_NAMEDPIPE, VIO_TYPE_SSL};
+
+class Vio {
+public:
+  virtual bool		is_open() const = 0;
+  virtual int		read(vio_ptr buf, int size) = 0;
+  virtual int		write(const vio_ptr buf, int size) = 0;
+  virtual int		blocking(bool	onoff) = 0;
+  virtual bool		blocking() const = 0;
+  virtual bool		fcntl() const = 0;
+  virtual int		fastsend(bool	onoff = true) = 0;
+  virtual int		keepalive(bool	onoff) = 0;
+  virtual bool		should_retry() const = 0;
+  virtual int		close() = 0;
+  virtual void 		release();
+  virtual const char*	description() const = 0;
+  virtual bool		peer_addr(char *buf) const = 0;
+  virtual const char*	cipher_description() const = 0;
+  virtual int 		vio_errno();
+  virtual ~Vio();
+};
+
+/* Macros to simulate the violite C interface */
+
+
+Vio *vio_new(my_socket	sd, enum enum_vio_type type,
+	     my_bool localhost);
+#ifdef __WIN__
+Vio*		vio_new_win32pipe(HANDLE hPipe);
+#endif
+
+#define vio_delete(vio) delete vio
+#define vio_read(vio,buf,size) vio->read(buf,size)
+#define vio_write(vio,buf,size) vio->write(buf,size)
+#define vio_blocking(vio,mode) vio->blocking(mode)
+#define vio_is_blocking(vio) vio->is_blocking()
+#define vio_fastsend(vio,mode) vio->fastsend(mode)
+#define vio_keepalive(vio,mode) vio->keepalive(mode)
+#define vio_shouldretry(vio) vio->shouldretry(mode)
+#define vio_close(vio) vio->close()
+#define vio_description(vio) vio->description()
+#define vio_errno(Vio *vio) vio->errno()
+#define vio_peer_addr(vio,buf) vio->peer_addr(buf)
+#define vio_in_addr(vio,in) vio->in_addr(in)
+
+VIO_NS_END