/**
* @function readMessage
* @abstract Read the complete message from the input
* @discussion
* Called to read a complete message from the input and return a MetisMessage
*
* PRECONDITION: There are at least <code>stream->nextMessageLength</code>
* bytes available on the input PARCEventBuffer.
*
* @param stream is the stream being parsed
* @param time is the current forwarder time (metisForwarder_GetTicks(stream->metis))
* @param input is the input PARCEventBuffer to readessage bytes.
* @return <#return#>
*/
static MetisMessage *
_readMessage(_MetisStreamState *stream, MetisTicks time, PARCEventBuffer *input)
{
MetisMessage *message = metisMessage_ReadFromBuffer(stream->id, time, input, stream->nextMessageLength, stream->logger);
return message;
}
LONGBOW_TEST_CASE(Global, metisMessage_ReadFromBuffer)
{
char message_str[] = "\x00Once upon a time, in a stack far away, a dangling pointer found its way to the top of the heap.";
PARCEventBuffer *buff = parcEventBuffer_Create();
parcEventBuffer_Append(buff, message_str, sizeof(message_str));
PARCLogReporter *reporter = parcLogReporterTextStdout_Create();
MetisLogger *logger = metisLogger_Create(reporter, parcClock_Wallclock());
parcLogReporter_Release(&reporter);
MetisMessage *message = metisMessage_ReadFromBuffer(1, 2, buff, sizeof(message_str), logger);
metisLogger_Release(&logger);
assertNotNull(message, "Got null from metisMessage_CreateFromBuffer");
assertTrue(parcEventBuffer_GetLength(message->messageBytes) == sizeof(message_str),
"Length of internal buffer wrong, expected %zu got %zu",
sizeof(message_str),
parcEventBuffer_GetLength(message->messageBytes));
uint8_t *p = parcEventBuffer_Pullup(message->messageBytes, sizeof(message_str));
assertTrue(memcmp(p, message_str, sizeof(message_str)) == 0, "Internal buffer contents does not match test");
assertTrue(message->ingressConnectionId == 1, "IngressConnectionId wrong, expected %d got %u", 1, message->ingressConnectionId);
assertTrue(message->receiveTime == 2, "receiveTime wrong, expected %u got %" PRIu64, 2, message->receiveTime);
assertTrue(parcEventBuffer_GetLength(buff) == 0, "Origin buffer not drained, expected 0, got %zu", parcEventBuffer_GetLength(buff));
metisMessage_Release(&message);
parcEventBuffer_Destroy(&buff);
}
