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/*
* virnetmessage.h: basic RPC message encoding/decoding
*
* Copyright (C) 2010-2011 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/>.
*/
#pragma once
#include "virnetprotocol.h"
typedef struct _virNetMessage virNetMessage;
typedef void (*virNetMessageFreeCallback)(virNetMessage *msg, void *opaque);
struct _virNetMessage {
bool tracked;
char *buffer; /* Initially VIR_NET_MESSAGE_INITIAL + VIR_NET_MESSAGE_LEN_MAX */
/* Maximum VIR_NET_MESSAGE_MAX + VIR_NET_MESSAGE_LEN_MAX */
size_t bufferLength;
size_t bufferOffset;
virNetMessageHeader header;
virNetMessageFreeCallback cb;
void *opaque;
size_t nfds;
int *fds;
size_t donefds;
virNetMessage *next;
};
virNetMessage *virNetMessageNew(bool tracked);
void virNetMessageClearFDs(virNetMessage *msg);
void virNetMessageClearPayload(virNetMessage *msg);
void virNetMessageClear(virNetMessage *);
void virNetMessageFree(virNetMessage *msg);
virNetMessage *virNetMessageQueueServe(virNetMessage **queue)
ATTRIBUTE_NONNULL(1);
void virNetMessageQueuePush(virNetMessage **queue,
virNetMessage *msg)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2);
int virNetMessageEncodeHeader(virNetMessage *msg)
ATTRIBUTE_NONNULL(1) G_GNUC_WARN_UNUSED_RESULT;
int virNetMessageDecodeLength(virNetMessage *msg)
ATTRIBUTE_NONNULL(1) G_GNUC_WARN_UNUSED_RESULT;
int virNetMessageDecodeHeader(virNetMessage *msg)
ATTRIBUTE_NONNULL(1) G_GNUC_WARN_UNUSED_RESULT;
int virNetMessageEncodePayload(virNetMessage *msg,
xdrproc_t filter,
void *data)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(2) G_GNUC_WARN_UNUSED_RESULT;
int virNetMessageDecodePayload(virNetMessage *msg,
xdrproc_t filter,
void *data)
ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_NONNULL(2) G_GNUC_WARN_UNUSED_RESULT;
int virNetMessageEncodeNumFDs(virNetMessage *msg);
int virNetMessageDecodeNumFDs(virNetMessage *msg);
int virNetMessageEncodePayloadRaw(virNetMessage *msg,
const char *buf,
size_t len)
ATTRIBUTE_NONNULL(1) G_GNUC_WARN_UNUSED_RESULT;
void virNetMessageSaveError(struct virNetMessageError *rerr)
ATTRIBUTE_NONNULL(1);
int virNetMessageDupFD(virNetMessage *msg,
size_t slot);
int virNetMessageAddFD(virNetMessage *msg,
int fd);
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