Initial commit

libs/cygwin/include/H5FDstream.h

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+/*
+ * Copyright <20> 2000 The author.
+ * The author prefers this code not be used for military purposes.
+ *
+ *
+ * Author:  Thomas Radke <tradke@aei-potsdam.mpg.de>
+ *          Tuesday, September 12, 2000
+ *
+ * Purpose:	The public header file for the Stream Virtual File Driver.
+ *
+ * Modifications:
+ *          Thomas Radke, Thursday, October 26, 2000
+ *          Added support for Windows.
+ *
+ */
+#ifndef H5FDstream_H
+#define H5FDstream_H
+
+#ifdef H5_HAVE_STREAM
+
+/* check what sockets type we have (Unix or Windows sockets)
+   Note that only MS compilers require to use Windows sockets
+   but gcc under Windows does not. */
+#if ! defined(H5_HAVE_WINSOCK_H) || defined(__GNUC__)
+#define H5FD_STREAM_HAVE_UNIX_SOCKETS  1
+#endif
+
+/* define the data type for socket descriptors
+   and the constant indicating an invalid descriptor */
+#ifdef H5FD_STREAM_HAVE_UNIX_SOCKETS
+
+#define H5FD_STREAM_SOCKET_TYPE            int
+#define H5FD_STREAM_INVALID_SOCKET         -1
+
+#else
+#include <winsock.h>
+
+#define H5FD_STREAM_SOCKET_TYPE            SOCKET
+#define H5FD_STREAM_INVALID_SOCKET         INVALID_SOCKET
+
+#endif
+
+#define H5FD_STREAM	(H5FD_stream_init())
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* prototype for read broadcast callback routine */
+typedef int (*H5FD_stream_broadcast_t) (unsigned char **file,
+                                        haddr_t *len,
+                                        void *arg);
+
+/* driver-specific file access properties */
+typedef struct H5FD_stream_fapl_t
+{
+  size_t       increment;            /* how much to grow memory in reallocs  */
+  H5FD_STREAM_SOCKET_TYPE socket;    /* externally provided socket descriptor*/
+  hbool_t      do_socket_io;         /* do I/O on socket                     */
+  int          backlog;              /* backlog argument for listen call     */
+  H5FD_stream_broadcast_t broadcast_fn; /* READ broadcast callback           */
+  void        *broadcast_arg;        /* READ broadcast callback user argument*/
+  unsigned int maxhunt;              /* how many more ports to try to bind to*/
+  unsigned short int port;           /* port a socket was bound/connected to */
+} H5FD_stream_fapl_t;
+
+
+/* prototypes of exported functions */
+H5_DLL hid_t  H5FD_stream_init (void);
+H5_DLL void H5FD_stream_term(void);
+H5_DLL herr_t H5Pset_fapl_stream (hid_t fapl_id,
+                                   H5FD_stream_fapl_t *fapl);
+H5_DLL herr_t H5Pget_fapl_stream (hid_t fapl_id,
+                                   H5FD_stream_fapl_t *fapl /*out*/ );
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* H5_HAVE_STREAM */
+
+#endif /* H5FDstream_H */