xref: /qemu/include/chardev/char-socket.h (revision 720a0e417ef0814d90aa884096a643b02ee854dc)
1  /*
2   * QEMU System Emulator
3   *
4   * Copyright (c) 2003-2008 Fabrice Bellard
5   *
6   * Permission is hereby granted, free of charge, to any person obtaining a copy
7   * of this software and associated documentation files (the "Software"), to deal
8   * in the Software without restriction, including without limitation the rights
9   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10   * copies of the Software, and to permit persons to whom the Software is
11   * furnished to do so, subject to the following conditions:
12   *
13   * The above copyright notice and this permission notice shall be included in
14   * all copies or substantial portions of the Software.
15   *
16   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19   * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22   * THE SOFTWARE.
23   */
24  
25  #ifndef CHAR_SOCKET_H
26  #define CHAR_SOCKET_H
27  
28  #include "io/channel-socket.h"
29  #include "io/channel-tls.h"
30  #include "io/net-listener.h"
31  #include "chardev/char.h"
32  #include "qom/object.h"
33  
34  #define TCP_MAX_FDS 16
35  
36  typedef struct {
37      char buf[21];
38      size_t buflen;
39  } TCPChardevTelnetInit;
40  
41  typedef enum {
42      TCP_CHARDEV_STATE_DISCONNECTED,
43      TCP_CHARDEV_STATE_CONNECTING,
44      TCP_CHARDEV_STATE_CONNECTED,
45  } TCPChardevState;
46  
47  typedef ChardevClass SocketChardevClass;
48  
49  struct SocketChardev {
50      Chardev parent;
51      QIOChannel *ioc; /* Client I/O channel */
52      QIOChannelSocket *sioc; /* Client master channel */
53      QIONetListener *listener;
54      GSource *hup_source;
55      QCryptoTLSCreds *tls_creds;
56      char *tls_authz;
57      TCPChardevState state;
58      int max_size;
59      int do_telnetopt;
60      int do_nodelay;
61      int *read_msgfds;
62      size_t read_msgfds_num;
63      int *write_msgfds;
64      size_t write_msgfds_num;
65      bool registered_yank;
66  
67      SocketAddress *addr;
68      bool is_listen;
69      bool is_telnet;
70      bool is_tn3270;
71      GSource *telnet_source;
72      TCPChardevTelnetInit *telnet_init;
73  
74      bool is_websock;
75  
76      GSource *reconnect_timer;
77      int64_t reconnect_time_ms;
78      bool connect_err_reported;
79  
80      QIOTask *connect_task;
81  };
82  typedef struct SocketChardev SocketChardev;
83  
84  DECLARE_INSTANCE_CHECKER(SocketChardev, SOCKET_CHARDEV,
85                           TYPE_CHARDEV_SOCKET)
86  
87  #endif /* CHAR_SOCKET_H */
88