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Merge pull request #293 from hurtonm/fix_getaddrinfo_for_ipv6_on_freebsd

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Don't set the AI_V4MAPPED flag on FreeBSD
This commit is contained in:
Ian Barber 2012-03-26 08:12:12 -07:00
commit 64732aeca3
1 changed files with 13 additions and 10 deletions
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21
src/tcp_address.cpp
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@ -277,11 +277,12 @@ int zmq::tcp_address_t::resolve_interface (char const *interface_,
// service-name irregularity due to indeterminate socktype.
req.ai_flags = AI_PASSIVE | AI_NUMERICHOST;
#ifndef ZMQ_HAVE_WINDOWS
// Windows by default maps IPv4 addresses into IPv6. In this API we only
// require IPv4-mapped addresses when no native IPv6 interfaces are
// available (~AI_ALL). This saves an additional DNS roundtrip for IPv4
// addresses.
#if defined AI_V4MAPPED && !defined ZMQ_HAVE_FREEBSD
// In this API we only require IPv4-mapped addresses when
// no native IPv6 interfaces are available (~AI_ALL).
// This saves an additional DNS roundtrip for IPv4 addresses.
// Note: While the AI_V4MAPPED flag is defined on FreeBSD system,
// it is not supported here. See libzmq issue #331.
if (req.ai_family == AF_INET6)
req.ai_flags |= AI_V4MAPPED;
#endif
@ -323,10 +324,12 @@ int zmq::tcp_address_t::resolve_hostname (const char *hostname_, bool ipv4only_)
// doesn't really matter, since it's not included in the addr-output.
req.ai_socktype = SOCK_STREAM;
#ifndef ZMQ_HAVE_WINDOWS
// Windows by default maps IPv4 addresses into IPv6. In this API we only
// require IPv4-mapped addresses when no native IPv6 interfaces are
// available. This saves an additional DNS roundtrip for IPv4 addresses.
#if defined AI_V4MAPPED && !defined ZMQ_HAVE_FREEBSD
// In this API we only require IPv4-mapped addresses when
// no native IPv6 interfaces are available.
// This saves an additional DNS roundtrip for IPv4 addresses.
// Note: While the AI_V4MAPPED flag is defined on FreeBSD system,
// it is not supported here. See libzmq issue #331.
if (req.ai_family == AF_INET6)
req.ai_flags |= AI_V4MAPPED;
#endif