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Allow binaries compiled on a system that doesn't support SO_REUSEPORT to use the option

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on systems that do support it
This commit is contained in:
Eric Frias 2014-10-02 14:49:38 -04:00
parent 5fa3cb8632
commit 256df78fc6
1 changed files with 33 additions and 9 deletions
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26
src/network/tcp_socket.cpp
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@ -13,6 +13,11 @@
namespace fc { namespace fc {
namespace detail
{
bool have_so_reuseport = true;
}
class tcp_socket::impl : public tcp_socket_io_hooks { class tcp_socket::impl : public tcp_socket_io_hooks {
public: public:
impl() : impl() :
@ -205,13 +210,24 @@ namespace fc {
FC_ASSERT(my->_sock.is_open()); FC_ASSERT(my->_sock.is_open());
boost::asio::socket_base::reuse_address option(enable); boost::asio::socket_base::reuse_address option(enable);
my->_sock.set_option(option); my->_sock.set_option(option);
#if defined(__APPLE__) || (defined(__linux__) && defined(SO_REUSEPORT)) #if defined(__APPLE__) || defined(__linux__)
# ifndef SO_REUSEPORT
# define SO_REUSEPORT 15
# endif
// OSX needs SO_REUSEPORT in addition to SO_REUSEADDR. // OSX needs SO_REUSEPORT in addition to SO_REUSEADDR.
// This probably needs to be set for any BSD // This probably needs to be set for any BSD
if (detail::have_so_reuseport)
{
int reuseport_value = 1; int reuseport_value = 1;
if (setsockopt(my->_sock.native(), SOL_SOCKET, SO_REUSEPORT, if (setsockopt(my->_sock.native(), SOL_SOCKET, SO_REUSEPORT,
(char*)&reuseport_value, sizeof(reuseport_value)) < 0) (char*)&reuseport_value, sizeof(reuseport_value)) < 0)
{
if (errno == ENOPROTOOPT)
detail::have_so_reuseport = false;
else
wlog("Error setting SO_REUSEPORT"); wlog("Error setting SO_REUSEPORT");
}
}
#endif // __APPLE__ #endif // __APPLE__
} }
@ -267,10 +283,18 @@ namespace fc {
#if defined(__APPLE__) || (defined(__linux__) && defined(SO_REUSEPORT)) #if defined(__APPLE__) || (defined(__linux__) && defined(SO_REUSEPORT))
// OSX needs SO_REUSEPORT in addition to SO_REUSEADDR. // OSX needs SO_REUSEPORT in addition to SO_REUSEADDR.
// This probably needs to be set for any BSD // This probably needs to be set for any BSD
if (detail::have_so_reuseport)
{
int reuseport_value = 1; int reuseport_value = 1;
if (setsockopt(my->_accept.native(), SOL_SOCKET, SO_REUSEPORT, if (setsockopt(my->_accept.native(), SOL_SOCKET, SO_REUSEPORT,
(char*)&reuseport_value, sizeof(reuseport_value)) < 0) (char*)&reuseport_value, sizeof(reuseport_value)) < 0)
{
if (errno == ENOPROTOOPT)
detail::have_so_reuseport = false;
else
wlog("Error setting SO_REUSEPORT"); wlog("Error setting SO_REUSEPORT");
}
}
#endif // __APPLE__ #endif // __APPLE__
} }
void tcp_server::listen( uint16_t port ) void tcp_server::listen( uint16_t port )