Error

/* * Copyright (C) Igor Sysoev * Copyright (C) NGINX, Inc. */ #include #include static void nxt_http_request_send_error_body(nxt_task_t *task, void *r, void *data); static const nxt_http_request_state_t nxt_http_request_send_state; static const char error[] = "Error" "Error.\r\n"; void nxt_http_request_error(nxt_task_t *task, nxt_http_request_t *r, nxt_http_status_t status) { nxt_http_field_t *content_type; nxt_debug(task, "http request error: %d", status); if (r->header_sent) { goto fail; } r->status = status; r->resp.fields = nxt_list_create(r->mem_pool, 8, sizeof(nxt_http_field_t)); if (nxt_slow_path(r == NULL)) { goto fail; } content_type = nxt_list_zero_add(r->resp.fields); if (nxt_slow_path(content_type == NULL)) { goto fail; } nxt_http_field_set(content_type, "Content-Type", "text/html"); r->resp.content_length = NULL; r->resp.content_length_n = sizeof(error) - 1; r->state = &nxt_http_request_send_state; nxt_http_request_header_send(task, r); return; fail: nxt_http_request_release(task, r); } static const nxt_http_request_state_t nxt_http_request_send_state nxt_aligned(64) = { .ready_handler = nxt_http_request_send_error_body, .error_handler = nxt_http_request_close_handler, }; static void nxt_http_request_send_error_body(nxt_task_t *task, void *obj, void *data) { nxt_buf_t *out, *last; nxt_http_request_t *r; r = obj; nxt_debug(task, "http request send error body"); out = nxt_buf_mem_alloc(r->mem_pool, 0, 0); if (nxt_slow_path(out == NULL)) { goto fail; } out->mem.start = (u_char *) error; out->mem.pos = out->mem.start; out->mem.free = out->mem.start + sizeof(error) - 1; out->mem.end = out->mem.free; last = nxt_http_request_last_buffer(task, r); if (nxt_slow_path(last == NULL)) { goto fail; } out->next = last; nxt_http_request_send(task, r, out); return; fail: // TODO nxt_http_request_release(task, r); }