Resolving the TLS url issue (#459)

* resolving the url issue

Signed-off-by: limbooverlambda <schakra1@gmail.com>

* fix formatting

Signed-off-by: limbooverlambda <schakra1@gmail.com>

* make check fixes

Signed-off-by: limbooverlambda <schakra1@gmail.com>

---------

Signed-off-by: limbooverlambda <schakra1@gmail.com>

src/common/security.rs

@@ -8,10 +8,10 @@ use std::time::Duration;
 
 use log::info;
 use regex::Regex;
-use tonic::transport::Certificate;
 use tonic::transport::Channel;
 use tonic::transport::ClientTlsConfig;
 use tonic::transport::Identity;
+use tonic::transport::{Certificate, Endpoint};
 
 use crate::internal_err;
 use crate::Result;
@@ -77,27 +77,40 @@ impl SecurityManager {
     where
         Factory: FnOnce(Channel) -> Client,
     {
-        let addr = "http://".to_string() + &SCHEME_REG.replace(addr, "");
-
         info!("connect to rpc server at endpoint: {:?}", addr);
+        let channel = if !self.ca.is_empty() {
+            self.tls_channel(addr).await?
+        } else {
+            self.default_channel(addr).await?
+        };
+        let ch = channel.connect().await?;
 
-        let mut builder = Channel::from_shared(addr)?
+        Ok(factory(ch))
-            .tcp_keepalive(Some(Duration::from_secs(10)))
+    }
-            .keep_alive_timeout(Duration::from_secs(3));
 
-        if !self.ca.is_empty() {
+    async fn tls_channel(&self, addr: &str) -> Result<Endpoint> {
+        let addr = "https://".to_string() + &SCHEME_REG.replace(addr, "");
+        let builder = self.endpoint(addr.to_string())?;
         let tls = ClientTlsConfig::new()
             .ca_certificate(Certificate::from_pem(&self.ca))
             .identity(Identity::from_pem(
                 &self.cert,
                 load_pem_file("private key", &self.key)?,
             ));
-            builder = builder.tls_config(tls)?;
+        let builder = builder.tls_config(tls)?;
-        };
+        Ok(builder)
+    }
 
-        let ch = builder.connect().await?;
+    async fn default_channel(&self, addr: &str) -> Result<Endpoint> {
+        let addr = "http://".to_string() + &SCHEME_REG.replace(addr, "");
+        self.endpoint(addr)
+    }
 
-        Ok(factory(ch))
+    fn endpoint(&self, addr: String) -> Result<Endpoint> {
+        let endpoint = Channel::from_shared(addr)?
+            .tcp_keepalive(Some(Duration::from_secs(10)))
+            .keep_alive_timeout(Duration::from_secs(3));
+        Ok(endpoint)
     }
 }
 

src/kv/key.rs

@@ -2,7 +2,6 @@
 
 use std::fmt;
 use std::ops::Bound;
-use std::u8;
 
 #[allow(unused_imports)]
 #[cfg(test)]

src/kv/mod.rs

@@ -1,6 +1,5 @@
 // Copyright 2019 TiKV Project Authors. Licensed under Apache-2.0.
 use std::fmt;
-use std::u8;
 
 mod bound_range;
 pub mod codec;

src/raw/client.rs

@@ -3,7 +3,6 @@
 use core::ops::Range;
 use std::str::FromStr;
 use std::sync::Arc;
-use std::u32;
 
 use futures::StreamExt;
 use log::debug;

src/transaction/requests.rs

@@ -252,7 +252,7 @@ pub fn new_prewrite_request(
     req.start_version = start_version;
     req.lock_ttl = lock_ttl;
     // FIXME: Lite resolve lock is currently disabled
-    req.txn_size = std::u64::MAX;
+    req.txn_size = u64::MAX;
 
     req
 }