83 lines
2.5 KiB
C
Executable File
83 lines
2.5 KiB
C
Executable File
/*
|
|
* Copyright © 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 */
|