wip to rdkafka and kafka_serde

src/engine.rs

@@ -1,9 +1,5 @@
 use crate::config::Engine;
 
-use openssl::ssl::{SslConnector, SslMethod, SslVerifyMode};
-use kafka::consumer::{Consumer, FetchOffset, GroupOffsetStorage};
-use kafka::client::{KafkaClient, SecurityConfig};
-
 pub trait InputEngine {
    fn get(&mut self) -> Vec<char>;
 }
@@ -16,42 +12,16 @@ pub fn build_input_engine(cfg: &Engine) -> Result<Box<dyn InputEngine>, String>
    }
 }
 
-pub fn build_input_engine_kafka(cfg: &Engine) -> Result<Box<dyn InputEngine>, String> {
-   let kafka_cfg = cfg.kafka.as_ref().unwrap();
-   let mut builder = SslConnector::builder(SslMethod::tls()).unwrap();
-   builder.set_cipher_list("DEFAULT").unwrap();
-   builder.set_verify(SslVerifyMode::PEER);
-   builder.set_ca_file(kafka_cfg.crt.to_string()).unwrap();
-   let mut client = KafkaClient::new_secure(
-      vec!(kafka_cfg.addr.to_owned()),
-      SecurityConfig::new(builder.build())
-         .with_hostname_verification(false),
-   );
-   client.load_metadata(&vec![kafka_cfg.topic.to_owned()]).unwrap();
-   let consumer = Consumer::from_client(client)
-      .with_topic(kafka_cfg.topic.to_owned())
-      .with_group(kafka_cfg.consumer_group.to_owned())
-      .with_fallback_offset(FetchOffset::Earliest)
-      .with_offset_storage(GroupOffsetStorage::Kafka)
-      .with_client_id("breel".to_owned())
-      .create()
-      .unwrap();
-   return Ok(Box::new(InputEngineKafka{
-      consumer: consumer,
-   }));
+struct InputEngineKafka {
 }
 
-struct InputEngineKafka {
-   consumer: Consumer
+pub fn build_input_engine_kafka(cfg: &Engine) -> Result<Box<dyn InputEngine>, String> {
+   let kafka_cfg = cfg.kafka.as_ref().unwrap();
+   return Err("do what".to_string());
 }
 
 impl InputEngine for InputEngineKafka {
    fn get(&mut self) -> Vec<char> {
-      for ms in self.consumer.poll().unwrap().iter() {
-         for m in ms.messages() {
-            return std::str::from_utf8(m.value).unwrap().to_string().chars().collect();
-         }
-      }
       Err("end".to_string()).unwrap()
    }
 }