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-rw-r--r--src/rpcprotocol.h24
1 files changed, 20 insertions, 4 deletions
diff --git a/src/rpcprotocol.h b/src/rpcprotocol.h
index 8b3df19621..11bdd171d9 100644
--- a/src/rpcprotocol.h
+++ b/src/rpcprotocol.h
@@ -103,11 +103,27 @@ public:
}
bool connect(const std::string& server, const std::string& port)
{
- boost::asio::ip::tcp::resolver resolver(stream.get_io_service());
- boost::asio::ip::tcp::resolver::query query(server.c_str(), port.c_str());
- boost::asio::ip::tcp::resolver::iterator endpoint_iterator = resolver.resolve(query);
- boost::asio::ip::tcp::resolver::iterator end;
+ using namespace boost::asio::ip;
+ tcp::resolver resolver(stream.get_io_service());
+ tcp::resolver::iterator endpoint_iterator;
+#if BOOST_VERSION >= 104300
+ try {
+#endif
+ // The default query (flags address_configured) tries IPv6 if
+ // non-localhost IPv6 configured, and IPv4 if non-localhost IPv4
+ // configured.
+ tcp::resolver::query query(server.c_str(), port.c_str());
+ endpoint_iterator = resolver.resolve(query);
+#if BOOST_VERSION >= 104300
+ } catch(boost::system::system_error &e)
+ {
+ // If we at first don't succeed, try blanket lookup (IPv4+IPv6 independent of configured interfaces)
+ tcp::resolver::query query(server.c_str(), port.c_str(), resolver_query_base::flags());
+ endpoint_iterator = resolver.resolve(query);
+ }
+#endif
boost::system::error_code error = boost::asio::error::host_not_found;
+ tcp::resolver::iterator end;
while (error && endpoint_iterator != end)
{
stream.lowest_layer().close();