ngx_http_upstream_ssl_handshake  135 http/ngx_http_upstream.c static void ngx_http_upstream_ssl_handshake(ngx_connection_t *c);
ngx_http_upstream_ssl_handshake 1227 http/ngx_http_upstream.c         c->ssl->handler = ngx_http_upstream_ssl_handshake;
ngx_http_upstream_ssl_handshake 1231 http/ngx_http_upstream.c     ngx_http_upstream_ssl_handshake(c);