connection_type   790 http/ngx_http_core_module.c         switch (r->headers_in.connection_type) {
connection_type  1406 http/ngx_http_request.c         r->headers_in.connection_type = NGX_HTTP_CONNECTION_CLOSE;
connection_type  1409 http/ngx_http_request.c         r->headers_in.connection_type = NGX_HTTP_CONNECTION_KEEP_ALIVE;
connection_type  1564 http/ngx_http_request.c     if (r->headers_in.connection_type == NGX_HTTP_CONNECTION_KEEP_ALIVE) {
connection_type   222 http/ngx_http_request.h     unsigned                          connection_type:2;