Merge pull request #276 from 879650736/axnet

smoltcp_impl: Add Nagle, and Capacity Interfaces

Author: equation314

modules/axnet/src/smoltcp_impl/tcp.rs

@@ -343,6 +343,49 @@ impl TcpSocket {
             }),
         }
     }
+
+    /// Checks if Nagle's algorithm is enabled for this TCP socket.
+    #[inline]
+    pub fn nodelay(&self) -> AxResult<bool> {
+        if let Some(h) = unsafe { self.handle.get().read() } {
+            Ok(SOCKET_SET.with_socket::<tcp::Socket, _, _>(h, |socket| socket.nagle_enabled()))
+        } else {
+            ax_err!(NotConnected, "socket is not connected")
+        }
+    }
+
+    /// Enables or disables Nagle's algorithm for this TCP socket.
+    #[inline]
+    pub fn set_nodelay(&self, enabled: bool) -> AxResult<()> {
+        if let Some(h) = unsafe { self.handle.get().read() } {
+            SOCKET_SET.with_socket_mut::<tcp::Socket, _, _>(h, |socket| {
+                socket.set_nagle_enabled(enabled);
+            });
+            Ok(())
+        } else {
+            ax_err!(NotConnected, "socket is not connected")
+        }
+    }
+
+    /// Returns the maximum capacity of the receive buffer in bytes.
+    #[inline]
+    pub fn recv_capacity(&self) -> AxResult<usize> {
+        if let Some(h) = unsafe { self.handle.get().read() } {
+            Ok(SOCKET_SET.with_socket::<tcp::Socket, _, _>(h, |socket| socket.recv_capacity()))
+        } else {
+            ax_err!(NotConnected, "socket is not connected")
+        }
+    }
+
+    /// Returns the maximum capacity of the send buffer in bytes.
+    #[inline]
+    pub fn send_capacity(&self) -> AxResult<usize> {
+        if let Some(h) = unsafe { self.handle.get().read() } {
+            Ok(SOCKET_SET.with_socket::<tcp::Socket, _, _>(h, |socket| socket.send_capacity()))
+        } else {
+            ax_err!(NotConnected, "socket is not connected")
+        }
+    }
 }
 
 /// Private methods