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Enable TCP FastOpen by default and add support for OSX implementation of TFO.

This commit is contained in:
Sara Dickinson 2015-12-13 17:44:31 +00:00
parent 145e6928bd
commit 736d9f20bf
2 changed files with 40 additions and 22 deletions
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46
configure.ac
View File

@ -160,29 +160,31 @@ case "$enable_debug_sec" in
;;
esac
AC_ARG_ENABLE(tcp-fastopen, AC_HELP_STRING([--enable-tcp-fastopen], [Enable TCP Fast Open]))
case "$enable_tcp_fastopen" in
yes)
AC_CHECK_DECL([MSG_FASTOPEN], [], [AC_MSG_ERROR([TCP Fast Open is not available: please rerun without --enable-tcp-fastopen])], [AC_INCLUDES_DEFAULT
#include <sys/socket.h>
])
AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable TCP fast open.])
;;
no|*)
;;
esac
# Not yet enabled by default as crash found when TCP fails.
# AC_ARG_ENABLE(tcp-fastopen, AC_HELP_STRING([--disable-tcp-fastopen], Disable TCP Fast Open (default=enabled if available)),
# enable_tcp_fastopen="$enableval", enable_tcp_fastopen=yes)
# if test "x$enable_tcp_fastopen" = xno; then
# AC_MSG_WARN([TCP Fast Open is disabled])
# else
# AC_CHECK_DECL([MSG_FASTOPEN], [AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable TCP fast open.])],
# [AC_MSG_WARN([TCP Fast Open is not available.])], [AC_INCLUDES_DEFAULT
# AC_ARG_ENABLE(tcp-fastopen, AC_HELP_STRING([--enable-tcp-fastopen], [Enable TCP Fast Open]))
# case "$enable_tcp_fastopen" in
# yes)
# AC_CHECK_DECL([CONNECT_RESUME_ON_READ_WRITE], [], [AC_MSG_ERROR([TCP Fast Open is not available: please rerun without --enable-tcp-fastopen])], [AC_INCLUDES_DEFAULT
# #include <sys/socket.h>
# ])
# fi
# ])
# AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable TCP fast open.])
# ;;
# no|*)
# ;;
# esac
AC_ARG_ENABLE(tcp-fastopen, AC_HELP_STRING([--disable-tcp-fastopen], Disable TCP Fast Open (default=enabled if available)),
enable_tcp_fastopen="$enableval", enable_tcp_fastopen=yes)
if test "x$enable_tcp_fastopen" = xno; then
AC_MSG_WARN([TCP Fast Open is disabled])
else
my_have_linux_tfo=1
AC_CHECK_DECL([MSG_FASTOPEN], [AC_DEFINE_UNQUOTED([USE_TCP_FASTOPEN], [1], [Define this to enable TCP fast open.])],
my_have_linux_tfo=0, [#include <sys/socket.h>])
if test my_have_linux_tfo=0; then
AC_CHECK_DECL([CONNECT_RESUME_ON_READ_WRITE], [AC_DEFINE_UNQUOTED([USE_OSX_TCP_FASTOPEN], [1], [Define this to enable TCP fast open.])],
[AC_MSG_WARN([TCP Fast Open is not available, continuing without])], [#include <sys/socket.h>])
fi
fi
AC_ARG_ENABLE(native-stub-dnssec, AC_HELP_STRING([--disable-native-stub-dnssec], [Disable native stub DNSSEC support]))
case "$enable_native_stub_dnssec" in

16
src/stub.c
View File

@ -357,6 +357,22 @@ tcp_connect(getdns_upstream *upstream, getdns_transport_list_t transport)
if (transport == GETDNS_TRANSPORT_TCP ||
transport == GETDNS_TRANSPORT_STARTTLS)
return fd;
#elif USE_OSX_TCP_FASTOPEN
sa_endpoints_t endpoints;
endpoints.sae_srcif = 0;
endpoints.sae_srcaddr = NULL;
endpoints.sae_srcaddrlen = 0;
endpoints.sae_dstaddr = (struct sockaddr *)&upstream->addr;
endpoints.sae_dstaddrlen = upstream->addr_len;
if (connectx(fd, &endpoints, SAE_ASSOCID_ANY,
CONNECT_DATA_IDEMPOTENT | CONNECT_RESUME_ON_READ_WRITE,
NULL, 0, NULL, NULL) == -1) {
if (errno != EINPROGRESS) {
close(fd);
return -1;
}
}
return fd;
#endif
if (connect(fd, (struct sockaddr *)&upstream->addr,
upstream->addr_len) == -1) {