Corrected produce w/ timestamp version check to >0.9.3. (confluentinc#41)

Author: edenhill

kafka/integration_test.go

@@ -709,11 +709,11 @@ func TestConsumerPollRebalance(t *testing.T) {
 
 // TestProducerConsumerTimestamps produces messages with timestamps
 // and verifies them on consumption.
-// Requires librdkafka >=0.9.3 and Kafka >=0.10.0.0
+// Requires librdkafka >=0.9.4 and Kafka >=0.10.0.0
 func TestProducerConsumerTimestamps(t *testing.T) {
 	numver, strver := LibraryVersion()
-	if numver < 0x00090300 {
-		t.Skipf("Requires librdkafka >=0.9.3 (currently on %s)", strver)
+	if numver < 0x00090400 {
+		t.Skipf("Requires librdkafka >=0.9.4 (currently on %s)", strver)
 	}
 
 	if !testconfRead() {

kafka/producer.go

@@ -34,7 +34,7 @@ rd_kafka_resp_err_t do_produce (rd_kafka_t *rk,
           int64_t timestamp,
           uintptr_t cgoid) {
 
-#if RD_KAFKA_VERSION >= 0x00090300
+#ifdef RD_KAFKA_V_TIMESTAMP
   return rd_kafka_producev(rk,
         RD_KAFKA_V_RKT(rkt),
         RD_KAFKA_V_PARTITION(partition),
@@ -147,7 +147,7 @@ func (p *Producer) produce(msg *Message, msgFlags int, deliveryChan chan Event)
 // transmit queue, thus returning immediately.
 // The delivery report will be sent on the provided deliveryChan if specified,
 // or on the Producer object's Events() channel if not.
-// msg.Timestamp requires librdkafka >= 0.9.3 (else returns ErrNotImplemented),
+// msg.Timestamp requires librdkafka >= 0.9.4 (else returns ErrNotImplemented),
 // api.version.request=true, and broker >= 0.10.0.0.
 // Returns an error if message could not be enqueued.
 func (p *Producer) Produce(msg *Message, deliveryChan chan Event) error {

kafka/producer_test.go

@@ -62,9 +62,9 @@ func TestProducerAPIs(t *testing.T) {
 	err = p.Produce(&Message{TopicPartition: TopicPartition{Topic: &topic2, Partition: 0}, Timestamp: time.Now()}, nil)
 	numver, strver := LibraryVersion()
 	t.Logf("Produce with timestamp on %s returned: %s", strver, err)
-	if numver < 0x00090300 {
+	if numver < 0x00090400 {
 		if err == nil || err.(Error).Code() != ErrNotImplemented {
-			t.Errorf("Expected Produce with timestamp to fail with ErrNotImplemented on %s, got: %s", strver, err)
+			t.Errorf("Expected Produce with timestamp to fail with ErrNotImplemented on %s (0x%x), got: %s", strver, numver, err)
 		}
 	} else {
 		if err != nil {