public static void ProduceConsumeNestedProtobuf(string bootstrapServers, string schemaRegistryServers)
{
var producerConfig = new ProducerConfig {
BootstrapServers = bootstrapServers
};
var schemaRegistryConfig = new SchemaRegistryConfig {
Url = schemaRegistryServers
};
using (var topic = new TemporaryTopic(bootstrapServers, 1))
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
using (var producer =
new ProducerBuilder <string, NestedOuter.Types.NestedMid2.Types.NestedLower>(producerConfig)
.SetValueSerializer(new ProtobufSerializer <NestedOuter.Types.NestedMid2.Types.NestedLower>(schemaRegistry))
.Build())
{
var u = new NestedOuter.Types.NestedMid2.Types.NestedLower();
u.Field2 = "field_2_value";
producer.ProduceAsync(topic.Name, new Message <string, NestedOuter.Types.NestedMid2.Types.NestedLower> {
Key = "test1", Value = u
}).Wait();
var consumerConfig = new ConsumerConfig
{
BootstrapServers = bootstrapServers,
GroupId = Guid.NewGuid().ToString(),
AutoOffsetReset = AutoOffsetReset.Earliest
};
// Test the protobuf deserializer can read this message
using (var consumer =
new ConsumerBuilder <string, NestedOuter.Types.NestedMid2.Types.NestedLower>(consumerConfig)
.SetValueDeserializer(new ProtobufDeserializer <NestedOuter.Types.NestedMid2.Types.NestedLower>()
.AsSyncOverAsync())
.Build())
{
consumer.Subscribe(topic.Name);
var cr = consumer.Consume();
Assert.Equal(u.Field2, cr.Message.Value.Field2);
}
// Check the pre-data bytes are as expected.
using (var consumer = new ConsumerBuilder <string, byte[]>(consumerConfig).Build())
{
consumer.Subscribe(topic.Name);
var cr = consumer.Consume();
// magic byte + schema id + expected array index length + at least one data byte.
Assert.True(cr.Message.Value.Length > 1 + 4 + 4 + 1);
// magic byte
Assert.Equal(0, cr.Message.Value[0]);
// index array.
Assert.Equal(3, cr.Message.Value[5]);
Assert.Equal(2, cr.Message.Value[6]);
Assert.Equal(1, cr.Message.Value[7]);
Assert.Equal(0, cr.Message.Value[8]);
}
}
}
public static void ProduceConsumeNestedProtobuf(string bootstrapServers, string schemaRegistryServers)
{
var producerConfig = new ProducerConfig {
BootstrapServers = bootstrapServers
};
var schemaRegistryConfig = new SchemaRegistryConfig {
Url = schemaRegistryServers
};
using (var topic = new TemporaryTopic(bootstrapServers, 1))
using (var schemaRegistry = new CachedSchemaRegistryClient(schemaRegistryConfig))
using (var producer =
new ProducerBuilder <string, NestedOuter.Types.NestedMid2.Types.NestedLower>(producerConfig)
.SetValueSerializer(new ProtobufSerializer <NestedOuter.Types.NestedMid2.Types.NestedLower>(schemaRegistry))
.Build())
{
var u = new NestedOuter.Types.NestedMid2.Types.NestedLower();
u.Field2 = "field_2_value";
producer.ProduceAsync(topic.Name, new Message <string, NestedOuter.Types.NestedMid2.Types.NestedLower> {
Key = "test1", Value = u
}).Wait();
var consumerConfig = new ConsumerConfig
{
BootstrapServers = bootstrapServers,
GroupId = Guid.NewGuid().ToString(),
AutoOffsetReset = AutoOffsetReset.Earliest
};
// Test the protobuf deserializer can read this message
using (var consumer =
new ConsumerBuilder <string, NestedOuter.Types.NestedMid2.Types.NestedLower>(consumerConfig)
.SetValueDeserializer(new ProtobufDeserializer <NestedOuter.Types.NestedMid2.Types.NestedLower>()
.AsSyncOverAsync())
.Build())
{
consumer.Subscribe(topic.Name);
var cr = consumer.Consume();
Assert.Equal(u.Field2, cr.Message.Value.Field2);
}
}
}
