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authorFlorent Le Coz <louiz@louiz.org>2015-07-09 15:30:24 +0200
committerFlorent Le Coz <louiz@louiz.org>2015-07-09 15:30:24 +0200
commitece4b4969b296a3da010fb22768348650e70962d (patch)
treeea7151861b9b3c90b9cbb64410cbe1be8041eb77 /louloulibs
parentac6a74595c679c22ae13eca0609a745e431b339c (diff)
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If hostname resolution fails, do not try all possible ports
Diffstat (limited to 'louloulibs')
-rw-r--r--louloulibs/network/tcp_socket_handler.cpp9
-rw-r--r--louloulibs/network/tcp_socket_handler.hpp2
2 files changed, 8 insertions, 3 deletions
diff --git a/louloulibs/network/tcp_socket_handler.cpp b/louloulibs/network/tcp_socket_handler.cpp
index e20357b..04bb321 100644
--- a/louloulibs/network/tcp_socket_handler.cpp
+++ b/louloulibs/network/tcp_socket_handler.cpp
@@ -40,15 +40,16 @@ TCPSocketHandler::TCPSocketHandler(std::shared_ptr<Poller> poller):
SocketHandler(poller, -1),
use_tls(false),
connected(false),
- connecting(false)
+ connecting(false),
#ifdef CARES_FOUND
- ,resolving(false),
+ resolving(false),
resolved(false),
resolved4(false),
resolved6(false),
cares_addrinfo(nullptr),
- cares_error()
+ cares_error(),
#endif
+ hostname_resolution_failed(false)
{}
TCPSocketHandler::~TCPSocketHandler()
@@ -109,6 +110,7 @@ void TCPSocketHandler::connect(const std::string& address, const std::string& po
addr_res = this->cares_addrinfo;
if (!addr_res)
{
+ this->hostname_resolution_failed = true;
const auto msg = this->cares_error;
this->close();
this->on_connection_failed(msg);
@@ -129,6 +131,7 @@ void TCPSocketHandler::connect(const std::string& address, const std::string& po
if (res != 0)
{
log_warning("getaddrinfo failed: "s + gai_strerror(res));
+ this->hostname_resolution_failed = true;
this->close();
this->on_connection_failed(gai_strerror(res));
return ;
diff --git a/louloulibs/network/tcp_socket_handler.hpp b/louloulibs/network/tcp_socket_handler.hpp
index 0dde2cf..8069825 100644
--- a/louloulibs/network/tcp_socket_handler.hpp
+++ b/louloulibs/network/tcp_socket_handler.hpp
@@ -256,6 +256,8 @@ protected:
std::string cares_error;
#endif // CARES_FOUND
+ bool hostname_resolution_failed;
+
private:
TCPSocketHandler(const TCPSocketHandler&) = delete;
TCPSocketHandler(TCPSocketHandler&&) = delete;