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Add proxy protocol support

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Adds a server-specific parameter, "use_proxy_protocol". If enabled,
a header string is sent to the backend when a routing session connection
changes state to MXS_AUTH_STATE_CONNECTED. The string contains the real
client IP and port.
This commit is contained in:
Esa Korhonen
2017-04-20 10:48:08 +03:00
parent deb11ae6eb
commit 8f50269338
4 changed files with 163 additions and 0 deletions
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12
server/core/server.cc
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@ -55,6 +55,8 @@
/** The latin1 charset */
#define SERVER_DEFAULT_CHARSET 0x08
const char USE_PROXY_PROTOCOL[] = "use_proxy_protocol";
static SPINLOCK server_spin = SPINLOCK_INIT;
static SERVER *allServers = NULL;
@ -139,6 +141,7 @@ SERVER* server_alloc(const char *name, const char *address, unsigned short port,
server->is_active = true;
server->created_online = false;
server->charset = SERVER_DEFAULT_CHARSET;
server->use_proxy_protocol = false;
spinlock_acquire(&server_spin);
server->next = allServers;
@ -622,6 +625,10 @@ dprintServer(DCB *dcb, const SERVER *server)
dcb_printf(dcb, "\tSSL CA certificate: %s\n",
l->ssl_ca_cert ? l->ssl_ca_cert : "null");
}
if (server->use_proxy_protocol)
{
dcb_printf(dcb, "\tProxy protocol enabled.\n");
}
}
/**
@ -1194,6 +1201,11 @@ static bool create_server_config(const SERVER *server, const char *filename)
dprintf(file, "persistmaxtime=%ld\n", server->persistmaxtime);
}
if (server->use_proxy_protocol)
{
dprintf(file, "%s=yes\n", USE_PROXY_PROTOCOL);
}
for (SERVER_PARAM *p = server->parameters; p; p = p->next)
{
if (p->active)