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));
}
}
