Empty buffers of servers and proxy when killing them

src/ckpool.h

@@ -193,6 +193,7 @@ bool ckmsgq_empty(ckmsgq_t *ckmsgq);
 ckpool_t *global_ckp;
 
 bool ping_main(ckpool_t *ckp);
+void empty_buffer(connsock_t *cs);
 int read_socket_line(connsock_t *cs, int timeout);
 bool _send_proc(proc_instance_t *pi, const char *msg, const char *file, const char *func, const int line);
 #define send_proc(pi, msg) _send_proc(pi, msg, __FILE__, __func__, __LINE__)

src/generator.c

@@ -229,6 +229,7 @@ static void kill_server(server_instance_t *si)
 	LOGNOTICE("Killing server");
 	cs = &si->cs;
 	Close(cs->fd);
+	empty_buffer(cs);
 	dealloc(cs->url);
 	dealloc(cs->port);
 	dealloc(cs->auth);
@@ -1452,6 +1453,7 @@ static void kill_proxy(ckpool_t *ckp, proxy_instance_t *proxi)
 	LOGNOTICE("Killing proxy");
 	cs = proxi->cs;
 	Close(cs->fd);
+	empty_buffer(cs);
 
 	/* All our notify data is invalid if we reconnect so discard them */
 	mutex_lock(&proxi->notify_lock);