From 7e8a9e789f65a225dcf29659b86f8f4cb3378f0d Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 28 Dec 2020 17:58:08 +0000
Subject: [PATCH] move cmd into mgmtchannel

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 src/bin/otter.rs   | 31 ++++++++-----------------------
 src/mgmtchannel.rs | 23 +++++++++++++++++++++++
 2 files changed, 31 insertions(+), 23 deletions(-)

diff --git a/src/bin/otter.rs b/src/bin/otter.rs
index 3a5f1c76..c0faf783 100644
--- a/src/bin/otter.rs
+++ b/src/bin/otter.rs
@@ -440,30 +440,15 @@ struct Conn {
   chan: MgmtChannel,
 }
 
-impl Conn {
-  #[throws(AE)]
-  fn cmd(&mut self, cmd: &MgmtCommand) -> MgmtResponse {
-    use MgmtResponse::*;
-    self.chan.write(&cmd).context("send command")?;
-    let resp = self.chan.read().context("read response")?;
-    match &resp {
-      Fine | GamesList{..} | LibraryItems(_) => { },
-      AlterGame { error: None, .. } => { },
-      Error { error } => {
-        Err(error.clone()).context(
-          format!("got error response to: {:?}",&cmd)
-        )?;
-      },
-      AlterGame { error: Some(error), .. } => {
-        Err(error.clone()).context(format!(
-          "game alterations failed (maybe partially); response to: {:?}",
-          &cmd
-        ))?;
-      }
-    };
-    resp
-  }
+impl Deref for Conn {
+  type Target = MgmtChannel;
+  fn deref(&self) -> &MgmtChannel { &self.chan }
+}
+impl DerefMut for Conn {
+  fn deref_mut(&mut self) -> &mut MgmtChannel { &mut self.chan }
+}
 
+impl Conn {
   #[throws(AE)]
   fn prep_access_account(&mut self, ma: &MainOpts) {
     #[derive(Debug)]
diff --git a/src/mgmtchannel.rs b/src/mgmtchannel.rs
index 245510fe..03869729 100644
--- a/src/mgmtchannel.rs
+++ b/src/mgmtchannel.rs
@@ -53,6 +53,29 @@ impl MgmtChannel {
     write!(self.write, "\n")?;
     self.write.flush()?;
   }
+
+  #[throws(AE)]
+  pub fn cmd(&mut self, cmd: &MgmtCommand) -> MgmtResponse {
+    use MgmtResponse::*;
+    self.write(&cmd).context("send command")?;
+    let resp = self.read().context("read response")?;
+    match &resp {
+      Fine | GamesList{..} | LibraryItems(_) => { },
+      AlterGame { error: None, .. } => { },
+      Error { error } => {
+        Err(error.clone()).context(
+          format!("got error response to: {:?}",&cmd)
+        )?;
+      },
+      AlterGame { error: Some(error), .. } => {
+        Err(error.clone()).context(format!(
+          "game alterations failed (maybe partially); response to: {:?}",
+          &cmd
+        ))?;
+      }
+    };
+    resp
+  }
 }
 
 pub trait IoTryClone: Sized {
-- 
2.30.2