perf: Refactor event processing system for better performance

src/streaming/event_parser/common/utils.rs

@@ -1,5 +1,3 @@
-use base64::engine::general_purpose;
-use base64::Engine;
 use std::time::{SystemTime, UNIX_EPOCH};
 
 /// 获取当前时间戳
@@ -7,16 +5,6 @@ pub fn current_timestamp() -> i64 {
     SystemTime::now().duration_since(UNIX_EPOCH).expect("Time went backwards").as_secs() as i64
 }
 
-/// 从base64字符串解码数据
-pub fn decode_base64(data: &str) -> Result<Vec<u8>, base64::DecodeError> {
-    general_purpose::STANDARD.decode(data)
-}
-
-/// 将数据编码为base64字符串
-pub fn encode_base64(data: &[u8]) -> String {
-    general_purpose::STANDARD.encode(data)
-}
-
 /// 从字节数组中提取鉴别器和剩余数据
 pub fn extract_discriminator(length: usize, data: &[u8]) -> Option<(&[u8], &[u8])> {
     if data.len() < length {