pbs-client: avoid mut self in http_client methods.

It is not necessary, so avoid it. The client can now be used
with multiple threads (without using a Mutex).

Signed-off-by: Dietmar Maurer <dietmar@proxmox.com>

pbs-client/src/http_client.rs

@@ -587,7 +587,7 @@ impl HttpClient {
     }
 
     pub async fn delete(
-        &mut self,
+        &self,
         path: &str,
         data: Option<Value>,
     ) -> Result<Value, Error> {
@@ -596,7 +596,7 @@ impl HttpClient {
     }
 
     pub async fn post(
-        &mut self,
+        &self,
         path: &str,
         data: Option<Value>,
     ) -> Result<Value, Error> {
@@ -605,7 +605,7 @@ impl HttpClient {
     }
 
     pub async fn put(
-        &mut self,
+        &self,
         path: &str,
         data: Option<Value>,
     ) -> Result<Value, Error> {
@@ -614,7 +614,7 @@ impl HttpClient {
     }
 
     pub async fn download(
-        &mut self,
+        &self,
         path: &str,
         output: &mut (dyn Write + Send),
     ) -> Result<(), Error> {
@@ -651,7 +651,7 @@ impl HttpClient {
     }
 
     pub async fn upload(
-        &mut self,
+        &self,
         content_type: &str,
         body: Body,
         path: &str,

pbs-client/src/task_log.rs

@@ -18,7 +18,7 @@ use super::HttpClient;
 /// the user presses CTRL-C. Two interrupts cause an immediate end of
 /// the loop. The task may still run in that case.
 pub async fn display_task_log(
-    client: &mut HttpClient,
+    client: &HttpClient,
     upid_str: &str,
     strip_date: bool,
 ) -> Result<(), Error> {
@@ -100,7 +100,7 @@ pub async fn display_task_log(
 
 /// Display task result (upid), or view task log - depending on output format
 pub async fn view_task_result(
-    client: &mut HttpClient,
+    client: &HttpClient,
     result: Value,
     output_format: &str,
 ) -> Result<(), Error> {