MXS-2349: Add support for UNIX domain sockets

Added core functionality for UNIX domain sockets in servers. Currently the
address parameter accepts them both but a separate `socket` parameter is
needed.
This commit is contained in:
Markus Mäkelä 2019-04-12 09:49:55 +03:00
parent 3c188bf421
commit 70450ce881
No known key found for this signature in database
GPG Key ID: 72D48FCE664F7B19
2 changed files with 28 additions and 7 deletions

View File

@ -178,13 +178,22 @@ MYSQL* mxs_mysql_real_connect(MYSQL* con, SERVER* server, const char* user, cons
}
}
MYSQL* mysql = mysql_real_connect(con, server->address, user, passwd, NULL, server->port, NULL, 0);
auto extra_port = mxb::atomic::load(&server->extra_port, mxb::atomic::RELAXED);
MYSQL* mysql = nullptr;
if (!mysql && extra_port > 0)
if (server->address[0] == '/')
{
mysql = mysql_real_connect(con, server->address, user, passwd, NULL, extra_port, NULL, 0);
MXS_WARNING("Could not connect with normal port to server '%s', using extra_port", server->name());
mysql = mysql_real_connect(con, nullptr, user, passwd, nullptr, 0, server->address, 0);
}
else
{
mysql = mysql_real_connect(con, server->address, user, passwd, NULL, server->port, NULL, 0);
auto extra_port = mxb::atomic::load(&server->extra_port, mxb::atomic::RELAXED);
if (!mysql && extra_port > 0)
{
mysql = mysql_real_connect(con, server->address, user, passwd, NULL, extra_port, NULL, 0);
MXS_WARNING("Could not connect with normal port to server '%s', using extra_port", server->name());
}
}
if (mysql)

View File

@ -261,7 +261,19 @@ static int gw_do_connect_to_backend(char* host, int port, int* fd)
int rv = -1;
/* prepare for connect */
int so = open_network_socket(MXS_SOCKET_NETWORK, &serv_addr, host, port);
int so;
size_t sz;
if (host[0] == '/')
{
so = open_unix_socket(MXS_SOCKET_NETWORK, (struct sockaddr_un*)&serv_addr, host);
sz = sizeof(sockaddr_un);
}
else
{
so = open_network_socket(MXS_SOCKET_NETWORK, &serv_addr, host, port);
sz = sizeof(sockaddr_storage);
}
if (so == -1)
{
@ -269,7 +281,7 @@ static int gw_do_connect_to_backend(char* host, int port, int* fd)
return rv;
}
rv = connect(so, (struct sockaddr*)&serv_addr, sizeof(serv_addr));
rv = connect(so, (struct sockaddr*)&serv_addr, sz);
if (rv != 0)
{