static void test_string_format(void) { pn_string_t *str = pn_string(""); assert(str); int err = pn_string_format(str, "%s", "this is a string that should be long " "enough to force growth but just in case we'll " "tack this other really long string on for the " "heck of it"); assert(err == 0); pn_free(str); }
int pn_dispatch_frame(pn_dispatcher_t *disp, pn_frame_t frame) { if (frame.size == 0) { // ignore null frames if (disp->trace & PN_TRACE_FRM) pn_transport_logf(disp->transport, "%u <- (EMPTY FRAME)\n", frame.channel); return 0; } ssize_t dsize = pn_data_decode(disp->args, frame.payload, frame.size); if (dsize < 0) { pn_string_format(disp->scratch, "Error decoding frame: %s %s\n", pn_code(dsize), pn_error_text(pn_data_error(disp->args))); pn_quote(disp->scratch, frame.payload, frame.size); pn_transport_log(disp->transport, pn_string_get(disp->scratch)); return dsize; } disp->channel = frame.channel; // XXX: assuming numeric uint64_t lcode; bool scanned; int e = pn_data_scan(disp->args, "D?L.", &scanned, &lcode); if (e) { pn_transport_log(disp->transport, "Scan error"); return e; } if (!scanned) { pn_transport_log(disp->transport, "Error dispatching frame"); return PN_ERR; } uint8_t code = lcode; disp->code = code; disp->size = frame.size - dsize; if (disp->size) disp->payload = frame.payload + dsize; pn_do_trace(disp, disp->channel, IN, disp->args, disp->payload, disp->size); pn_action_t *action = disp->actions[code]; int err = action(disp); disp->channel = 0; disp->code = 0; pn_data_clear(disp->args); disp->size = 0; disp->payload = NULL; return err; }
static void pn_do_trace(pn_dispatcher_t *disp, uint16_t ch, pn_dir_t dir, pn_data_t *args, const char *payload, size_t size) { if (disp->trace & PN_TRACE_FRM) { pn_string_format(disp->scratch, "%u %s ", ch, dir == OUT ? "->" : "<-"); pn_inspect(args, disp->scratch); if (size) { char buf[1024]; int e = pn_quote_data(buf, 1024, payload, size); pn_string_addf(disp->scratch, " (%" PN_ZU ") \"%s\"%s", size, buf, e == PN_OVERFLOW ? "... (truncated)" : ""); } pn_transport_log(disp->transport, pn_string_get(disp->scratch)); } }