libvirt/qemud/internal.h

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/*
* internal.h: daemon data structure definitions
*
* Copyright (C) 2006, 2007 Red Hat, Inc.
* Copyright (C) 2006 Daniel P. Berrange
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Daniel P. Berrange <berrange@redhat.com>
*/
#ifndef QEMUD_INTERNAL_H__
#define QEMUD_INTERNAL_H__
#include <gnutls/gnutls.h>
#include <gnutls/x509.h>
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#include "protocol.h"
#include "remote_protocol.h"
#include "../config.h"
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#ifdef __GNUC__
#ifdef HAVE_ANSIDECL_H
#include <ansidecl.h>
#endif
#ifndef ATTRIBUTE_UNUSED
#define ATTRIBUTE_UNUSED __attribute__((__unused__))
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#endif
#ifndef ATTRIBUTE_FORMAT
#define ATTRIBUTE_FORMAT(args...) __attribute__((__format__ (args)))
#endif
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#else
#define ATTRIBUTE_UNUSED
#define ATTRIBUTE_FORMAT(...)
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#endif
#define UUID_LEN 16
typedef enum {
QEMUD_ERR,
QEMUD_WARN,
QEMUD_INFO,
#ifdef ENABLE_DEBUG
QEMUD_DEBUG
#endif
} qemudLogPriority;
enum qemud_mode {
QEMUD_MODE_RX_HEADER,
QEMUD_MODE_RX_PAYLOAD,
QEMUD_MODE_TX_PACKET,
QEMUD_MODE_TLS_HANDSHAKE,
};
/* These have to remain compatible with gnutls_record_get_direction. */
enum qemud_tls_direction {
QEMUD_TLS_DIRECTION_READ = 0,
QEMUD_TLS_DIRECTION_WRITE = 1,
};
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/* Stores the per-client connection state */
struct qemud_client {
int magic;
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int fd;
int readonly;
enum qemud_mode mode;
struct sockaddr_storage addr;
socklen_t addrlen;
/* If set, TLS is required on this socket. */
int tls;
gnutls_session_t session;
enum qemud_tls_direction direction;
unsigned int incomingSerial;
unsigned int outgoingSerial;
char buffer [REMOTE_MESSAGE_MAX];
unsigned int bufferLength;
unsigned int bufferOffset;
/* This is only valid if a remote open call has been made on this
* connection, otherwise it will be NULL. Also if remote close is
* called, it will be set back to NULL if that succeeds.
*/
virConnectPtr conn;
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struct qemud_client *next;
};
#define QEMUD_CLIENT_MAGIC 0x7788aaee
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struct qemud_socket {
int fd;
int readonly;
/* If set, TLS is required on this socket. */
int tls;
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struct qemud_socket *next;
};
/* Main server state */
struct qemud_server {
int nsockets;
struct qemud_socket *sockets;
int nclients;
struct qemud_client *clients;
int sigread;
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char logDir[PATH_MAX];
unsigned int shutdown : 1;
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};
void qemudLog(int priority, const char *fmt, ...)
ATTRIBUTE_FORMAT(printf,2,3);
#ifdef ENABLE_DEBUG
#define qemudDebug(...) qemudLog(QEMUD_DEBUG, __VA_ARGS__)
#else
#define qemudDebug(fmt, ...) do {} while(0)
#endif
void remoteDispatchClientRequest (struct qemud_server *server,
struct qemud_client *client);
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#endif
/*
* Local variables:
* indent-tabs-mode: nil
* c-indent-level: 4
* c-basic-offset: 4
* tab-width: 4
* End:
*/