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More flexible fromSockAddr interface

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This commit is contained in:
Yuriy Glukhov 2018-03-15 17:39:09 +02:00
commit b52de1fcee
1 changed files with 9 additions and 5 deletions
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14
lib/pure/net.nim
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@ -431,22 +431,26 @@ proc toSockAddr*(address: IpAddress, port: Port, sa: var Sockaddr_storage, sl: v
s.sin6_port = port
copyMem(addr s.sin6_addr, unsafeAddr address.address_v6[0], sizeof(s.sin6_addr))
proc fromSockAddr*(sa: Sockaddr_storage, sl: Socklen, address: var IpAddress, port: var Port) =
## Converts `SockAddr` and `Socklen` to `IpAddress` and `Port`. Raises
## `ObjectConversionError` in case of invalid `sa` and `sl` arguments.
proc fromSockAddrAux(sa: ptr Sockaddr_storage, sl: Socklen, address: var IpAddress, port: var Port) =
if sa.ss_family.int == AF_INET.int and sl == sizeof(Sockaddr_in).Socklen:
address = IpAddress(family: IpAddressFamily.IPv4)
let s = cast[ptr Sockaddr_in](unsafeAddr sa)
let s = cast[ptr Sockaddr_in](sa)
copyMem(addr address.address_v4[0], addr s.sin_addr, sizeof(address.address_v4))
port = ntohs(s.sin_port).Port
elif sa.ss_family.int == AF_INET6.int and sl == sizeof(Sockaddr_in6).Socklen:
address = IpAddress(family: IpAddressFamily.IPv6)
let s = cast[ptr Sockaddr_in6](unsafeAddr sa)
let s = cast[ptr Sockaddr_in6](sa)
copyMem(addr address.address_v6[0], addr s.sin6_addr, sizeof(address.address_v6))
port = ntohs(s.sin6_port).Port
else:
raise newException(ObjectConversionError, "Unexpected SockAddr/Socklen")
proc fromSockAddr*(sa: Sockaddr_storage | SockAddr | Sockaddr_in | Sockaddr_in6,
sl: Socklen, address: var IpAddress, port: var Port) {.inline.} =
## Converts `SockAddr` and `Socklen` to `IpAddress` and `Port`. Raises
## `ObjectConversionError` in case of invalid `sa` and `sl` arguments.
fromSockAddrAux(unsafeAddr sa, sl, address, port)
when defineSsl:
CRYPTO_malloc_init()
doAssert SslLibraryInit() == 1