proxy: send CLIENT_ERROR when necessarystaging

A few code paths were returning SERVER_ERROR (a retryable error)
when it should have been CLIENT_ERROR (bad protocol syntax).

1 files changed, 3 insertions, 1 deletions

diff --git a/proxy.h b/proxy.h
index 87f2b7e..8b5cd37 100644
--- a/proxy.h
+++ b/proxy.h
@@ -554,7 +554,9 @@ void mcp_request_attach(lua_State *L, mcp_request_t *rq, io_pending_proxy_t *p);
 int mcp_request_render(mcp_request_t *rq, int idx, const char *tok, size_t len);
 void proxy_lua_error(lua_State *L, const char *s);
 void proxy_lua_ferror(lua_State *L, const char *fmt, ...);
-void proxy_out_errstring(mc_resp *resp, const char *str);
+#define PROXY_SERVER_ERROR "SERVER_ERROR "
+#define PROXY_CLIENT_ERROR "CLIENT_ERROR "
+void proxy_out_errstring(mc_resp *resp, char *type, const char *str);
 int _start_proxy_config_threads(proxy_ctx_t *ctx);
 int proxy_thread_loadconf(proxy_ctx_t *ctx, LIBEVENT_THREAD *thr);