github.com/edwarnicke/govpp@v0.0.0-20230130211138-14ef5d20b1d0/binapi/ip_types/ip_types.ba.go (about) 1 // Code generated by GoVPP's binapi-generator. DO NOT EDIT. 2 // versions: 3 // binapi-generator: v0.4.0-dev 4 // VPP: 23.02-rc0~189-g57127b32a 5 // source: /usr/share/vpp/api/core/ip_types.api.json 6 7 // Package ip_types contains generated bindings for API file ip_types.api. 8 // 9 // Contents: 10 // 5 aliases 11 // 5 enums 12 // 8 structs 13 // 1 union 14 // 15 package ip_types 16 17 import ( 18 "fmt" 19 "net" 20 "strconv" 21 "strings" 22 23 api "git.fd.io/govpp.git/api" 24 codec "git.fd.io/govpp.git/codec" 25 ) 26 27 // This is a compile-time assertion to ensure that this generated file 28 // is compatible with the GoVPP api package it is being compiled against. 29 // A compilation error at this line likely means your copy of the 30 // GoVPP api package needs to be updated. 31 const _ = api.GoVppAPIPackageIsVersion2 32 33 // AddressFamily defines enum 'address_family'. 34 type AddressFamily uint8 35 36 const ( 37 ADDRESS_IP4 AddressFamily = 0 38 ADDRESS_IP6 AddressFamily = 1 39 ) 40 41 var ( 42 AddressFamily_name = map[uint8]string{ 43 0: "ADDRESS_IP4", 44 1: "ADDRESS_IP6", 45 } 46 AddressFamily_value = map[string]uint8{ 47 "ADDRESS_IP4": 0, 48 "ADDRESS_IP6": 1, 49 } 50 ) 51 52 func (x AddressFamily) String() string { 53 s, ok := AddressFamily_name[uint8(x)] 54 if ok { 55 return s 56 } 57 return "AddressFamily(" + strconv.Itoa(int(x)) + ")" 58 } 59 60 // IPDscp defines enum 'ip_dscp'. 61 type IPDscp uint8 62 63 const ( 64 IP_API_DSCP_CS0 IPDscp = 0 65 IP_API_DSCP_CS1 IPDscp = 8 66 IP_API_DSCP_AF11 IPDscp = 10 67 IP_API_DSCP_AF12 IPDscp = 12 68 IP_API_DSCP_AF13 IPDscp = 14 69 IP_API_DSCP_CS2 IPDscp = 16 70 IP_API_DSCP_AF21 IPDscp = 18 71 IP_API_DSCP_AF22 IPDscp = 20 72 IP_API_DSCP_AF23 IPDscp = 22 73 IP_API_DSCP_CS3 IPDscp = 24 74 IP_API_DSCP_AF31 IPDscp = 26 75 IP_API_DSCP_AF32 IPDscp = 28 76 IP_API_DSCP_AF33 IPDscp = 30 77 IP_API_DSCP_CS4 IPDscp = 32 78 IP_API_DSCP_AF41 IPDscp = 34 79 IP_API_DSCP_AF42 IPDscp = 36 80 IP_API_DSCP_AF43 IPDscp = 38 81 IP_API_DSCP_CS5 IPDscp = 40 82 IP_API_DSCP_EF IPDscp = 46 83 IP_API_DSCP_CS6 IPDscp = 48 84 IP_API_DSCP_CS7 IPDscp = 50 85 ) 86 87 var ( 88 IPDscp_name = map[uint8]string{ 89 0: "IP_API_DSCP_CS0", 90 8: "IP_API_DSCP_CS1", 91 10: "IP_API_DSCP_AF11", 92 12: "IP_API_DSCP_AF12", 93 14: "IP_API_DSCP_AF13", 94 16: "IP_API_DSCP_CS2", 95 18: "IP_API_DSCP_AF21", 96 20: "IP_API_DSCP_AF22", 97 22: "IP_API_DSCP_AF23", 98 24: "IP_API_DSCP_CS3", 99 26: "IP_API_DSCP_AF31", 100 28: "IP_API_DSCP_AF32", 101 30: "IP_API_DSCP_AF33", 102 32: "IP_API_DSCP_CS4", 103 34: "IP_API_DSCP_AF41", 104 36: "IP_API_DSCP_AF42", 105 38: "IP_API_DSCP_AF43", 106 40: "IP_API_DSCP_CS5", 107 46: "IP_API_DSCP_EF", 108 48: "IP_API_DSCP_CS6", 109 50: "IP_API_DSCP_CS7", 110 } 111 IPDscp_value = map[string]uint8{ 112 "IP_API_DSCP_CS0": 0, 113 "IP_API_DSCP_CS1": 8, 114 "IP_API_DSCP_AF11": 10, 115 "IP_API_DSCP_AF12": 12, 116 "IP_API_DSCP_AF13": 14, 117 "IP_API_DSCP_CS2": 16, 118 "IP_API_DSCP_AF21": 18, 119 "IP_API_DSCP_AF22": 20, 120 "IP_API_DSCP_AF23": 22, 121 "IP_API_DSCP_CS3": 24, 122 "IP_API_DSCP_AF31": 26, 123 "IP_API_DSCP_AF32": 28, 124 "IP_API_DSCP_AF33": 30, 125 "IP_API_DSCP_CS4": 32, 126 "IP_API_DSCP_AF41": 34, 127 "IP_API_DSCP_AF42": 36, 128 "IP_API_DSCP_AF43": 38, 129 "IP_API_DSCP_CS5": 40, 130 "IP_API_DSCP_EF": 46, 131 "IP_API_DSCP_CS6": 48, 132 "IP_API_DSCP_CS7": 50, 133 } 134 ) 135 136 func (x IPDscp) String() string { 137 s, ok := IPDscp_name[uint8(x)] 138 if ok { 139 return s 140 } 141 return "IPDscp(" + strconv.Itoa(int(x)) + ")" 142 } 143 144 // IPEcn defines enum 'ip_ecn'. 145 type IPEcn uint8 146 147 const ( 148 IP_API_ECN_NONE IPEcn = 0 149 IP_API_ECN_ECT0 IPEcn = 1 150 IP_API_ECN_ECT1 IPEcn = 2 151 IP_API_ECN_CE IPEcn = 3 152 ) 153 154 var ( 155 IPEcn_name = map[uint8]string{ 156 0: "IP_API_ECN_NONE", 157 1: "IP_API_ECN_ECT0", 158 2: "IP_API_ECN_ECT1", 159 3: "IP_API_ECN_CE", 160 } 161 IPEcn_value = map[string]uint8{ 162 "IP_API_ECN_NONE": 0, 163 "IP_API_ECN_ECT0": 1, 164 "IP_API_ECN_ECT1": 2, 165 "IP_API_ECN_CE": 3, 166 } 167 ) 168 169 func (x IPEcn) String() string { 170 s, ok := IPEcn_name[uint8(x)] 171 if ok { 172 return s 173 } 174 return "IPEcn(" + strconv.Itoa(int(x)) + ")" 175 } 176 177 // IPFeatureLocation defines enum 'ip_feature_location'. 178 type IPFeatureLocation uint8 179 180 const ( 181 IP_API_FEATURE_INPUT IPFeatureLocation = 0 182 IP_API_FEATURE_OUTPUT IPFeatureLocation = 1 183 IP_API_FEATURE_LOCAL IPFeatureLocation = 2 184 IP_API_FEATURE_PUNT IPFeatureLocation = 3 185 IP_API_FEATURE_DROP IPFeatureLocation = 4 186 ) 187 188 var ( 189 IPFeatureLocation_name = map[uint8]string{ 190 0: "IP_API_FEATURE_INPUT", 191 1: "IP_API_FEATURE_OUTPUT", 192 2: "IP_API_FEATURE_LOCAL", 193 3: "IP_API_FEATURE_PUNT", 194 4: "IP_API_FEATURE_DROP", 195 } 196 IPFeatureLocation_value = map[string]uint8{ 197 "IP_API_FEATURE_INPUT": 0, 198 "IP_API_FEATURE_OUTPUT": 1, 199 "IP_API_FEATURE_LOCAL": 2, 200 "IP_API_FEATURE_PUNT": 3, 201 "IP_API_FEATURE_DROP": 4, 202 } 203 ) 204 205 func (x IPFeatureLocation) String() string { 206 s, ok := IPFeatureLocation_name[uint8(x)] 207 if ok { 208 return s 209 } 210 return "IPFeatureLocation(" + strconv.Itoa(int(x)) + ")" 211 } 212 213 // IPProto defines enum 'ip_proto'. 214 type IPProto uint8 215 216 const ( 217 IP_API_PROTO_HOPOPT IPProto = 0 218 IP_API_PROTO_ICMP IPProto = 1 219 IP_API_PROTO_IGMP IPProto = 2 220 IP_API_PROTO_TCP IPProto = 6 221 IP_API_PROTO_UDP IPProto = 17 222 IP_API_PROTO_GRE IPProto = 47 223 IP_API_PROTO_ESP IPProto = 50 224 IP_API_PROTO_AH IPProto = 51 225 IP_API_PROTO_ICMP6 IPProto = 58 226 IP_API_PROTO_EIGRP IPProto = 88 227 IP_API_PROTO_OSPF IPProto = 89 228 IP_API_PROTO_SCTP IPProto = 132 229 IP_API_PROTO_RESERVED IPProto = 255 230 ) 231 232 var ( 233 IPProto_name = map[uint8]string{ 234 0: "IP_API_PROTO_HOPOPT", 235 1: "IP_API_PROTO_ICMP", 236 2: "IP_API_PROTO_IGMP", 237 6: "IP_API_PROTO_TCP", 238 17: "IP_API_PROTO_UDP", 239 47: "IP_API_PROTO_GRE", 240 50: "IP_API_PROTO_ESP", 241 51: "IP_API_PROTO_AH", 242 58: "IP_API_PROTO_ICMP6", 243 88: "IP_API_PROTO_EIGRP", 244 89: "IP_API_PROTO_OSPF", 245 132: "IP_API_PROTO_SCTP", 246 255: "IP_API_PROTO_RESERVED", 247 } 248 IPProto_value = map[string]uint8{ 249 "IP_API_PROTO_HOPOPT": 0, 250 "IP_API_PROTO_ICMP": 1, 251 "IP_API_PROTO_IGMP": 2, 252 "IP_API_PROTO_TCP": 6, 253 "IP_API_PROTO_UDP": 17, 254 "IP_API_PROTO_GRE": 47, 255 "IP_API_PROTO_ESP": 50, 256 "IP_API_PROTO_AH": 51, 257 "IP_API_PROTO_ICMP6": 58, 258 "IP_API_PROTO_EIGRP": 88, 259 "IP_API_PROTO_OSPF": 89, 260 "IP_API_PROTO_SCTP": 132, 261 "IP_API_PROTO_RESERVED": 255, 262 } 263 ) 264 265 func (x IPProto) String() string { 266 s, ok := IPProto_name[uint8(x)] 267 if ok { 268 return s 269 } 270 return "IPProto(" + strconv.Itoa(int(x)) + ")" 271 } 272 273 // AddressWithPrefix defines alias 'address_with_prefix'. 274 type AddressWithPrefix Prefix 275 276 func ParseAddressWithPrefix(s string) (AddressWithPrefix, error) { 277 prefix, err := ParsePrefix(s) 278 if err != nil { 279 return AddressWithPrefix{}, err 280 } 281 return AddressWithPrefix(prefix), nil 282 } 283 func (x AddressWithPrefix) String() string { 284 return Prefix(x).String() 285 } 286 func (x *AddressWithPrefix) MarshalText() ([]byte, error) { 287 return []byte(x.String()), nil 288 } 289 func (x *AddressWithPrefix) UnmarshalText(text []byte) error { 290 prefix, err := ParseAddressWithPrefix(string(text)) 291 if err != nil { 292 return err 293 } 294 *x = prefix 295 return nil 296 } 297 298 // IP4Address defines alias 'ip4_address'. 299 type IP4Address [4]uint8 300 301 func ParseIP4Address(s string) (IP4Address, error) { 302 ip := net.ParseIP(s).To4() 303 if ip == nil { 304 return IP4Address{}, fmt.Errorf("invalid IP address: %s", s) 305 } 306 var ipaddr IP4Address 307 copy(ipaddr[:], ip.To4()) 308 return ipaddr, nil 309 } 310 311 func (x IP4Address) ToIP() net.IP { 312 return net.IP(x[:]).To4() 313 } 314 func (x IP4Address) String() string { 315 return x.ToIP().String() 316 } 317 func (x *IP4Address) MarshalText() ([]byte, error) { 318 return []byte(x.String()), nil 319 } 320 func (x *IP4Address) UnmarshalText(text []byte) error { 321 ipaddr, err := ParseIP4Address(string(text)) 322 if err != nil { 323 return err 324 } 325 *x = ipaddr 326 return nil 327 } 328 329 // IP4AddressWithPrefix defines alias 'ip4_address_with_prefix'. 330 type IP4AddressWithPrefix IP4Prefix 331 332 // IP6Address defines alias 'ip6_address'. 333 type IP6Address [16]uint8 334 335 func ParseIP6Address(s string) (IP6Address, error) { 336 ip := net.ParseIP(s).To16() 337 if ip == nil { 338 return IP6Address{}, fmt.Errorf("invalid IP address: %s", s) 339 } 340 var ipaddr IP6Address 341 copy(ipaddr[:], ip.To16()) 342 return ipaddr, nil 343 } 344 345 func (x IP6Address) ToIP() net.IP { 346 return net.IP(x[:]).To16() 347 } 348 func (x IP6Address) String() string { 349 return x.ToIP().String() 350 } 351 func (x *IP6Address) MarshalText() ([]byte, error) { 352 return []byte(x.String()), nil 353 } 354 func (x *IP6Address) UnmarshalText(text []byte) error { 355 ipaddr, err := ParseIP6Address(string(text)) 356 if err != nil { 357 return err 358 } 359 *x = ipaddr 360 return nil 361 } 362 363 // IP6AddressWithPrefix defines alias 'ip6_address_with_prefix'. 364 type IP6AddressWithPrefix IP6Prefix 365 366 // Address defines type 'address'. 367 type Address struct { 368 Af AddressFamily `binapi:"address_family,name=af" json:"af,omitempty"` 369 Un AddressUnion `binapi:"address_union,name=un" json:"un,omitempty"` 370 } 371 372 func ParseAddress(s string) (Address, error) { 373 ip := net.ParseIP(s) 374 if ip == nil { 375 return Address{}, fmt.Errorf("invalid address: %s", s) 376 } 377 var addr Address 378 if ip.To4() == nil { 379 addr.Af = ADDRESS_IP6 380 var ip6 IP6Address 381 copy(ip6[:], ip.To16()) 382 addr.Un.SetIP6(ip6) 383 } else { 384 addr.Af = ADDRESS_IP4 385 var ip4 IP4Address 386 copy(ip4[:], ip.To4()) 387 addr.Un.SetIP4(ip4) 388 } 389 return addr, nil 390 } 391 func (x Address) ToIP() net.IP { 392 if x.Af == ADDRESS_IP6 { 393 ip6 := x.Un.GetIP6() 394 return net.IP(ip6[:]).To16() 395 } else { 396 ip4 := x.Un.GetIP4() 397 return net.IP(ip4[:]).To4() 398 } 399 } 400 func (x Address) String() string { 401 return x.ToIP().String() 402 } 403 func (x *Address) MarshalText() ([]byte, error) { 404 return []byte(x.String()), nil 405 } 406 func (x *Address) UnmarshalText(text []byte) error { 407 addr, err := ParseAddress(string(text)) 408 if err != nil { 409 return err 410 } 411 *x = addr 412 return nil 413 } 414 415 // IP4AddressAndMask defines type 'ip4_address_and_mask'. 416 type IP4AddressAndMask struct { 417 Addr IP4Address `binapi:"ip4_address,name=addr" json:"addr,omitempty"` 418 Mask IP4Address `binapi:"ip4_address,name=mask" json:"mask,omitempty"` 419 } 420 421 // IP4Prefix defines type 'ip4_prefix'. 422 type IP4Prefix struct { 423 Address IP4Address `binapi:"ip4_address,name=address" json:"address,omitempty"` 424 Len uint8 `binapi:"u8,name=len" json:"len,omitempty"` 425 } 426 427 func ParseIP4Prefix(s string) (prefix IP4Prefix, err error) { 428 hasPrefix := strings.Contains(s, "/") 429 if hasPrefix { 430 ip, network, err := net.ParseCIDR(s) 431 if err != nil { 432 return IP4Prefix{}, fmt.Errorf("invalid IP %s: %s", s, err) 433 } 434 maskSize, _ := network.Mask.Size() 435 prefix.Len = byte(maskSize) 436 prefix.Address, err = ParseIP4Address(ip.String()) 437 if err != nil { 438 return IP4Prefix{}, fmt.Errorf("invalid IP %s: %s", s, err) 439 } 440 } else { 441 ip := net.ParseIP(s) 442 defaultMaskSize, _ := net.CIDRMask(32, 32).Size() 443 if ip.To4() == nil { 444 defaultMaskSize, _ = net.CIDRMask(128, 128).Size() 445 } 446 prefix.Len = byte(defaultMaskSize) 447 prefix.Address, err = ParseIP4Address(ip.String()) 448 if err != nil { 449 return IP4Prefix{}, fmt.Errorf("invalid IP %s: %s", s, err) 450 } 451 } 452 return prefix, nil 453 } 454 func (x IP4Prefix) ToIPNet() *net.IPNet { 455 mask := net.CIDRMask(int(x.Len), 32) 456 ipnet := &net.IPNet{IP: x.Address.ToIP(), Mask: mask} 457 return ipnet 458 } 459 func (x IP4Prefix) String() string { 460 ip := x.Address.String() 461 return ip + "/" + strconv.Itoa(int(x.Len)) 462 } 463 func (x *IP4Prefix) MarshalText() ([]byte, error) { 464 return []byte(x.String()), nil 465 } 466 func (x *IP4Prefix) UnmarshalText(text []byte) error { 467 prefix, err := ParseIP4Prefix(string(text)) 468 if err != nil { 469 return err 470 } 471 *x = prefix 472 return nil 473 } 474 475 // IP6AddressAndMask defines type 'ip6_address_and_mask'. 476 type IP6AddressAndMask struct { 477 Addr IP6Address `binapi:"ip6_address,name=addr" json:"addr,omitempty"` 478 Mask IP6Address `binapi:"ip6_address,name=mask" json:"mask,omitempty"` 479 } 480 481 // IP6Prefix defines type 'ip6_prefix'. 482 type IP6Prefix struct { 483 Address IP6Address `binapi:"ip6_address,name=address" json:"address,omitempty"` 484 Len uint8 `binapi:"u8,name=len" json:"len,omitempty"` 485 } 486 487 func ParseIP6Prefix(s string) (prefix IP6Prefix, err error) { 488 hasPrefix := strings.Contains(s, "/") 489 if hasPrefix { 490 ip, network, err := net.ParseCIDR(s) 491 if err != nil { 492 return IP6Prefix{}, fmt.Errorf("invalid IP %s: %s", s, err) 493 } 494 maskSize, _ := network.Mask.Size() 495 prefix.Len = byte(maskSize) 496 prefix.Address, err = ParseIP6Address(ip.String()) 497 if err != nil { 498 return IP6Prefix{}, fmt.Errorf("invalid IP %s: %s", s, err) 499 } 500 } else { 501 ip := net.ParseIP(s) 502 defaultMaskSize, _ := net.CIDRMask(32, 32).Size() 503 if ip.To4() == nil { 504 defaultMaskSize, _ = net.CIDRMask(128, 128).Size() 505 } 506 prefix.Len = byte(defaultMaskSize) 507 prefix.Address, err = ParseIP6Address(ip.String()) 508 if err != nil { 509 return IP6Prefix{}, fmt.Errorf("invalid IP %s: %s", s, err) 510 } 511 } 512 return prefix, nil 513 } 514 func (x IP6Prefix) ToIPNet() *net.IPNet { 515 mask := net.CIDRMask(int(x.Len), 128) 516 ipnet := &net.IPNet{IP: x.Address.ToIP(), Mask: mask} 517 return ipnet 518 } 519 func (x IP6Prefix) String() string { 520 ip := x.Address.String() 521 return ip + "/" + strconv.Itoa(int(x.Len)) 522 } 523 func (x *IP6Prefix) MarshalText() ([]byte, error) { 524 return []byte(x.String()), nil 525 } 526 func (x *IP6Prefix) UnmarshalText(text []byte) error { 527 prefix, err := ParseIP6Prefix(string(text)) 528 if err != nil { 529 return err 530 } 531 *x = prefix 532 return nil 533 } 534 535 // Mprefix defines type 'mprefix'. 536 type Mprefix struct { 537 Af AddressFamily `binapi:"address_family,name=af" json:"af,omitempty"` 538 GrpAddressLength uint16 `binapi:"u16,name=grp_address_length" json:"grp_address_length,omitempty"` 539 GrpAddress AddressUnion `binapi:"address_union,name=grp_address" json:"grp_address,omitempty"` 540 SrcAddress AddressUnion `binapi:"address_union,name=src_address" json:"src_address,omitempty"` 541 } 542 543 // Prefix defines type 'prefix'. 544 type Prefix struct { 545 Address Address `binapi:"address,name=address" json:"address,omitempty"` 546 Len uint8 `binapi:"u8,name=len" json:"len,omitempty"` 547 } 548 549 func ParsePrefix(ip string) (prefix Prefix, err error) { 550 hasPrefix := strings.Contains(ip, "/") 551 if hasPrefix { 552 netIP, network, err := net.ParseCIDR(ip) 553 if err != nil { 554 return Prefix{}, fmt.Errorf("invalid IP %s: %s", ip, err) 555 } 556 maskSize, _ := network.Mask.Size() 557 prefix.Len = byte(maskSize) 558 prefix.Address, err = ParseAddress(netIP.String()) 559 if err != nil { 560 return Prefix{}, fmt.Errorf("invalid IP %s: %s", ip, err) 561 } 562 } else { 563 netIP := net.ParseIP(ip) 564 defaultMaskSize, _ := net.CIDRMask(32, 32).Size() 565 if netIP.To4() == nil { 566 defaultMaskSize, _ = net.CIDRMask(128, 128).Size() 567 } 568 prefix.Len = byte(defaultMaskSize) 569 prefix.Address, err = ParseAddress(netIP.String()) 570 if err != nil { 571 return Prefix{}, fmt.Errorf("invalid IP %s: %s", ip, err) 572 } 573 } 574 return prefix, nil 575 } 576 func (x Prefix) ToIPNet() *net.IPNet { 577 var mask net.IPMask 578 if x.Address.Af == ADDRESS_IP4 { 579 mask = net.CIDRMask(int(x.Len), 32) 580 } else { 581 mask = net.CIDRMask(int(x.Len), 128) 582 } 583 ipnet := &net.IPNet{IP: x.Address.ToIP(), Mask: mask} 584 return ipnet 585 } 586 func (x Prefix) String() string { 587 ip := x.Address.String() 588 return ip + "/" + strconv.Itoa(int(x.Len)) 589 } 590 func (x *Prefix) MarshalText() ([]byte, error) { 591 return []byte(x.String()), nil 592 } 593 func (x *Prefix) UnmarshalText(text []byte) error { 594 prefix, err := ParsePrefix(string(text)) 595 if err != nil { 596 return err 597 } 598 *x = prefix 599 return nil 600 } 601 602 // PrefixMatcher defines type 'prefix_matcher'. 603 type PrefixMatcher struct { 604 Le uint8 `binapi:"u8,name=le" json:"le,omitempty"` 605 Ge uint8 `binapi:"u8,name=ge" json:"ge,omitempty"` 606 } 607 608 // AddressUnion defines union 'address_union'. 609 type AddressUnion struct { 610 // AddressUnion can be one of: 611 // - IP4 *IP4Address 612 // - IP6 *IP6Address 613 XXX_UnionData [16]byte 614 } 615 616 func AddressUnionIP4(a IP4Address) (u AddressUnion) { 617 u.SetIP4(a) 618 return 619 } 620 func (u *AddressUnion) SetIP4(a IP4Address) { 621 buf := codec.NewBuffer(u.XXX_UnionData[:]) 622 buf.EncodeBytes(a[:], 4) 623 } 624 func (u *AddressUnion) GetIP4() (a IP4Address) { 625 buf := codec.NewBuffer(u.XXX_UnionData[:]) 626 copy(a[:], buf.DecodeBytes(4)) 627 return 628 } 629 630 func AddressUnionIP6(a IP6Address) (u AddressUnion) { 631 u.SetIP6(a) 632 return 633 } 634 func (u *AddressUnion) SetIP6(a IP6Address) { 635 buf := codec.NewBuffer(u.XXX_UnionData[:]) 636 buf.EncodeBytes(a[:], 16) 637 } 638 func (u *AddressUnion) GetIP6() (a IP6Address) { 639 buf := codec.NewBuffer(u.XXX_UnionData[:]) 640 copy(a[:], buf.DecodeBytes(16)) 641 return 642 }