libvirt/src/driver-stream.h
Michal Privoznik 84b5079232 Introduce virStreamInData
This is just an internal API, that calls corresponding function
in stream driver. This function will set @data = 1 if the
underlying file is in data section, or @data = 0 if it is in a
hole. At any rate, @length is set to number of bytes remaining in
the section the file currently is.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2017-05-18 07:42:13 +02:00

98 lines
2.9 KiB
C

/*
* driver-stream.h: entry points for stream drivers
*
* Copyright (C) 2006-2014 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef __VIR_DRIVER_STREAM_H__
# define __VIR_DRIVER_STREAM_H__
# ifndef __VIR_DRIVER_H_INCLUDES___
# error "Don't include this file directly, only use driver.h"
# endif
typedef int
(*virDrvStreamSend)(virStreamPtr st,
const char *data,
size_t nbytes);
typedef int
(*virDrvStreamRecv)(virStreamPtr st,
char *data,
size_t nbytes);
typedef int
(*virDrvStreamRecvFlags)(virStreamPtr st,
char *data,
size_t nbytes,
unsigned int flags);
typedef int
(*virDrvStreamSendHole)(virStreamPtr st,
long long length,
unsigned int flags);
typedef int
(*virDrvStreamRecvHole)(virStreamPtr st,
long long *length,
unsigned int flags);
typedef int
(*virDrvStreamInData)(virStreamPtr st,
int *data,
long long *length);
typedef int
(*virDrvStreamEventAddCallback)(virStreamPtr stream,
int events,
virStreamEventCallback cb,
void *opaque,
virFreeCallback ff);
typedef int
(*virDrvStreamEventUpdateCallback)(virStreamPtr stream,
int events);
typedef int
(*virDrvStreamEventRemoveCallback)(virStreamPtr stream);
typedef int
(*virDrvStreamFinish)(virStreamPtr st);
typedef int
(*virDrvStreamAbort)(virStreamPtr st);
typedef struct _virStreamDriver virStreamDriver;
typedef virStreamDriver *virStreamDriverPtr;
struct _virStreamDriver {
virDrvStreamSend streamSend;
virDrvStreamRecv streamRecv;
virDrvStreamRecvFlags streamRecvFlags;
virDrvStreamSendHole streamSendHole;
virDrvStreamRecvHole streamRecvHole;
virDrvStreamInData streamInData;
virDrvStreamEventAddCallback streamEventAddCallback;
virDrvStreamEventUpdateCallback streamEventUpdateCallback;
virDrvStreamEventRemoveCallback streamEventRemoveCallback;
virDrvStreamFinish streamFinish;
virDrvStreamAbort streamAbort;
};
#endif /* __VIR_DRIVER_STREAM_H__ */