qapi/sockets.json

   1 # -*- Mode: Python -*-
   2 # vim: filetype=python
   3
   4 ##
   5 # = Socket data types
   6 ##
   7
   8 ##
   9 # @NetworkAddressFamily:
  10 #
  11 # The network address family
  12 #
  13 # @ipv4: IPV4 family
  14 #
  15 # @ipv6: IPV6 family
  16 #
  17 # @unix: unix socket
  18 #
  19 # @vsock: vsock family (since 2.8)
  20 #
  21 # @unknown: otherwise
  22 #
  23 # Since: 2.1
  24 ##
  25 { 'enum': 'NetworkAddressFamily',
  26   'data': [ 'ipv4', 'ipv6', 'unix', 'vsock', 'unknown' ] }
  27
  28 ##
  29 # @InetSocketAddressBase:
  30 #
  31 # @host: host part of the address
  32 # @port: port part of the address
  33 ##
  34 { 'struct': 'InetSocketAddressBase',
  35   'data': {
  36     'host': 'str',
  37     'port': 'str' } }
  38
  39 ##
  40 # @InetSocketAddress:
  41 #
  42 # Captures a socket address or address range in the Internet
  43 # namespace.
  44 #
  45 # @numeric: true if the host/port are guaranteed to be numeric, false
  46 #     if name resolution should be attempted.  Defaults to false.
  47 #     (Since 2.9)
  48 #
  49 # @to: If present, this is range of possible addresses, with port
  50 #     between @port and @to.
  51 #
  52 # @ipv4: whether to accept IPv4 addresses, default try both IPv4 and
  53 #     IPv6
  54 #
  55 # @ipv6: whether to accept IPv6 addresses, default try both IPv4 and
  56 #     IPv6
  57 #
  58 # @keep-alive: enable keep-alive when connecting to this socket.  Not
  59 #     supported for passive sockets.  (Since 4.2)
  60 #
  61 # @mptcp: enable multi-path TCP.  (Since 6.1)
  62 #
  63 # Since: 1.3
  64 ##
  65 { 'struct': 'InetSocketAddress',
  66   'base': 'InetSocketAddressBase',
  67   'data': {
  68     '*numeric':  'bool',
  69     '*to': 'uint16',
  70     '*ipv4': 'bool',
  71     '*ipv6': 'bool',
  72     '*keep-alive': 'bool',
  73     '*mptcp': { 'type': 'bool', 'if': 'HAVE_IPPROTO_MPTCP' } } }
  74
  75 ##
  76 # @UnixSocketAddress:
  77 #
  78 # Captures a socket address in the local ("Unix socket") namespace.
  79 #
  80 # @path: filesystem path to use
  81 #
  82 # @abstract: if true, this is a Linux abstract socket address.  @path
  83 #     will be prefixed by a null byte, and optionally padded with null
  84 #     bytes.  Defaults to false.  (Since 5.1)
  85 #
  86 # @tight: if false, pad an abstract socket address with enough null
  87 #     bytes to make it fill struct sockaddr_un member sun_path.
  88 #     Defaults to true.  (Since 5.1)
  89 #
  90 # Since: 1.3
  91 ##
  92 { 'struct': 'UnixSocketAddress',
  93   'data': {
  94     'path': 'str',
  95     '*abstract': { 'type': 'bool', 'if': 'CONFIG_LINUX' },
  96     '*tight': { 'type': 'bool', 'if': 'CONFIG_LINUX' } } }
  97
  98 ##
  99 # @VsockSocketAddress:
 100 #
 101 # Captures a socket address in the vsock namespace.
 102 #
 103 # @cid: unique host identifier
 104 #
 105 # @port: port
 106 #
 107 # Note: string types are used to allow for possible future hostname or
 108 #     service resolution support.
 109 #
 110 # Since: 2.8
 111 ##
 112 { 'struct': 'VsockSocketAddress',
 113   'data': {
 114     'cid': 'str',
 115     'port': 'str' } }
 116
 117 ##
 118 # @FdSocketAddress:
 119 #
 120 # A file descriptor name or number.
 121 #
 122 # @str: decimal is for file descriptor number, otherwise it's a file
 123 #     descriptor name.  Named file descriptors are permitted in
 124 #     monitor commands, in combination with the 'getfd' command.
 125 #     Decimal file descriptors are permitted at startup or other
 126 #     contexts where no monitor context is active.
 127 #
 128 # Since: 1.2
 129 ##
 130 { 'struct': 'FdSocketAddress',
 131   'data': {
 132     'str': 'str' } }
 133
 134 ##
 135 # @InetSocketAddressWrapper:
 136 #
 137 # @data: internet domain socket address
 138 #
 139 # Since: 1.3
 140 ##
 141 { 'struct': 'InetSocketAddressWrapper',
 142   'data': { 'data': 'InetSocketAddress' } }
 143
 144 ##
 145 # @UnixSocketAddressWrapper:
 146 #
 147 # @data: UNIX domain socket address
 148 #
 149 # Since: 1.3
 150 ##
 151 { 'struct': 'UnixSocketAddressWrapper',
 152   'data': { 'data': 'UnixSocketAddress' } }
 153
 154 ##
 155 # @VsockSocketAddressWrapper:
 156 #
 157 # @data: VSOCK domain socket address
 158 #
 159 # Since: 2.8
 160 ##
 161 { 'struct': 'VsockSocketAddressWrapper',
 162   'data': { 'data': 'VsockSocketAddress' } }
 163
 164 ##
 165 # @FdSocketAddressWrapper:
 166 #
 167 # @data: file descriptor name or number
 168 #
 169 # Since: 1.3
 170 ##
 171 { 'struct': 'FdSocketAddressWrapper',
 172   'data': { 'data': 'FdSocketAddress' } }
 173
 174 ##
 175 # @SocketAddressLegacy:
 176 #
 177 # Captures the address of a socket, which could also be a named file
 178 # descriptor
 179 #
 180 # @type: Transport type
 181 #
 182 # Note: This type is deprecated in favor of SocketAddress.  The
 183 #     difference between SocketAddressLegacy and SocketAddress is that
 184 #     the latter has fewer {} on the wire.
 185 #
 186 # Since: 1.3
 187 ##
 188 { 'union': 'SocketAddressLegacy',
 189   'base': { 'type': 'SocketAddressType' },
 190   'discriminator': 'type',
 191   'data': {
 192     'inet': 'InetSocketAddressWrapper',
 193     'unix': 'UnixSocketAddressWrapper',
 194     'vsock': 'VsockSocketAddressWrapper',
 195     'fd': 'FdSocketAddressWrapper' } }
 196
 197 ##
 198 # @SocketAddressType:
 199 #
 200 # Available SocketAddress types
 201 #
 202 # @inet: Internet address
 203 #
 204 # @unix: Unix domain socket
 205 #
 206 # @vsock: VMCI address
 207 #
 208 # @fd: Socket file descriptor
 209 #
 210 # Since: 2.9
 211 ##
 212 { 'enum': 'SocketAddressType',
 213   'data': [ 'inet', 'unix', 'vsock', 'fd' ] }
 214
 215 ##
 216 # @SocketAddress:
 217 #
 218 # Captures the address of a socket, which could also be a socket file
 219 # descriptor
 220 #
 221 # @type: Transport type
 222 #
 223 # Since: 2.9
 224 ##
 225 { 'union': 'SocketAddress',
 226   'base': { 'type': 'SocketAddressType' },
 227   'discriminator': 'type',
 228   'data': { 'inet': 'InetSocketAddress',
 229             'unix': 'UnixSocketAddress',
 230             'vsock': 'VsockSocketAddress',
 231             'fd': 'FdSocketAddress' } }