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/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2010 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 __SPICE_CLIENT_CHANNEL_PRIV_H__
#define __SPICE_CLIENT_CHANNEL_PRIV_H__
#include "config.h"
#include <openssl/ssl.h>
#include <gio/gio.h>
#if HAVE_SASL
#include <sasl/sasl.h>
#endif
#include "spice-channel.h"
#include "spice-util-priv.h"
#include "coroutine.h"
#include "gio-coroutine.h"
#include "common/client_marshallers.h"
#include "common/client_demarshallers.h"
#include "common/ssl_verify.h"
G_BEGIN_DECLS
#define MAX_SPICE_DATA_HEADER_SIZE sizeof(SpiceDataHeader)
#define CHANNEL_DEBUG(channel, fmt, ...) \
SPICE_DEBUG("%s: " fmt, SPICE_CHANNEL(channel)->priv->name, ## __VA_ARGS__)
struct _SpiceMsgOut {
int refcount;
SpiceChannel *channel;
SpiceMessageMarshallers *marshallers;
SpiceMarshaller *marshaller;
uint8_t *header;
gboolean ro_check;
};
struct _SpiceMsgIn {
int refcount;
SpiceChannel *channel;
uint8_t header[MAX_SPICE_DATA_HEADER_SIZE];
uint8_t *data;
int dpos;
uint8_t *parsed;
size_t psize;
message_destructor_t pfree;
SpiceMsgIn *parent;
};
enum spice_channel_state {
SPICE_CHANNEL_STATE_UNCONNECTED = 0,
SPICE_CHANNEL_STATE_RECONNECTING,
SPICE_CHANNEL_STATE_CONNECTING,
SPICE_CHANNEL_STATE_READY,
SPICE_CHANNEL_STATE_SWITCHING,
SPICE_CHANNEL_STATE_MIGRATING,
SPICE_CHANNEL_STATE_MIGRATION_HANDSHAKE,
};
struct _SpiceChannelClassPrivate
{
GArray *handlers;
};
struct _SpiceChannelPrivate {
/* swapped on migration */
SSL_CTX *ctx;
SSL *ssl;
SpiceOpenSSLVerify *sslverify;
GSocket *sock;
GSocketConnection *conn;
GInputStream *in;
GOutputStream *out;
#if HAVE_SASL
sasl_conn_t *sasl_conn;
const char *sasl_decoded;
unsigned int sasl_decoded_length;
unsigned int sasl_decoded_offset;
#endif
gboolean use_mini_header;
uint64_t out_serial;
uint64_t in_serial;
/* not swapped */
SpiceSession *session;
GCoroutine coroutine;
int fd;
gboolean has_error;
guint connect_delayed_id;
GQueue xmit_queue;
gboolean xmit_queue_blocked;
STATIC_MUTEX xmit_queue_lock;
guint xmit_queue_wakeup_id;
guint64 xmit_queue_size;
char name[16];
enum spice_channel_state state;
SpiceChannelEvent event;
spice_parse_channel_func_t parser;
SpiceMessageMarshallers *marshallers;
guint channel_watch;
int tls;
int channel_id;
int channel_type;
SpiceLinkHeader link_hdr;
SpiceLinkMess link_msg;
SpiceLinkHeader peer_hdr;
SpiceLinkReply* peer_msg;
int peer_pos;
int message_ack_window;
int message_ack_count;
GArray *caps;
GArray *common_caps;
GArray *remote_caps;
GArray *remote_common_caps;
gsize total_read_bytes;
uint64_t last_message_serial;
GSList *flushing;
gboolean disable_channel_msg;
gboolean auth_needs_username;
gboolean auth_needs_password;
GError *error;
};
SpiceMsgIn *spice_msg_in_new(SpiceChannel *channel);
SpiceMsgIn *spice_msg_in_sub_new(SpiceChannel *channel, SpiceMsgIn *parent,
SpiceSubMessage *sub);
void spice_msg_in_ref(SpiceMsgIn *in);
void spice_msg_in_unref(SpiceMsgIn *in);
int spice_msg_in_type(SpiceMsgIn *in);
void *spice_msg_in_parsed(SpiceMsgIn *in);
void *spice_msg_in_raw(SpiceMsgIn *in, int *len);
void spice_msg_in_hexdump(SpiceMsgIn *in);
SpiceMsgOut *spice_msg_out_new(SpiceChannel *channel, int type);
void spice_msg_out_ref(SpiceMsgOut *out);
void spice_msg_out_unref(SpiceMsgOut *out);
void spice_msg_out_send(SpiceMsgOut *out);
void spice_msg_out_send_internal(SpiceMsgOut *out);
void spice_msg_out_hexdump(SpiceMsgOut *out, unsigned char *data, int len);
uint16_t spice_header_get_msg_type(uint8_t *header, gboolean is_mini_header);
uint32_t spice_header_get_msg_size(uint8_t *header, gboolean is_mini_header);
void spice_channel_up(SpiceChannel *channel);
void spice_channel_wakeup(SpiceChannel *channel, gboolean cancel);
SpiceSession* spice_channel_get_session(SpiceChannel *channel);
enum spice_channel_state spice_channel_get_state(SpiceChannel *channel);
guint64 spice_channel_get_queue_size (SpiceChannel *channel);
/* coroutine context */
typedef void (*handler_msg_in)(SpiceChannel *channel, SpiceMsgIn *msg, gpointer data);
void spice_channel_recv_msg(SpiceChannel *channel, handler_msg_in handler, gpointer data);
/* channel-base.c */
void spice_channel_set_handlers(SpiceChannelClass *klass,
const spice_msg_handler* handlers, const int n);
void spice_channel_handle_wait_for_channels(SpiceChannel *channel, SpiceMsgIn *in);
gint spice_channel_get_channel_id(SpiceChannel *channel);
gint spice_channel_get_channel_type(SpiceChannel *channel);
void spice_channel_swap(SpiceChannel *channel, SpiceChannel *swap, gboolean swap_msgs);
gboolean spice_channel_get_read_only(SpiceChannel *channel);
void spice_channel_reset(SpiceChannel *channel, gboolean migrating);
void spice_caps_set(GArray *caps, guint32 cap, const gchar *desc);
#define spice_channel_set_common_capability(channel, cap) \
spice_caps_set(SPICE_CHANNEL(channel)->priv->common_caps, cap, #cap)
#define spice_channel_set_capability(channel, cap) \
spice_caps_set(SPICE_CHANNEL(channel)->priv->caps, cap, #cap)
gchar *spice_channel_supported_string(void);
void spice_vmc_write_async(SpiceChannel *self,
const void *buffer, gsize count,
GCancellable *cancellable,
GAsyncReadyCallback callback,
gpointer user_data);
gssize spice_vmc_write_finish(SpiceChannel *self,
GAsyncResult *result, GError **error);
#ifdef G_OS_UNIX
gint spice_channel_unix_read_fd(SpiceChannel *channel);
#endif
G_END_DECLS
#endif /* __SPICE_CLIENT_CHANNEL_PRIV_H__ */
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