From 02be18684da4adc90f1d7ccae4fdb94fa5e51a70 Mon Sep 17 00:00:00 2001
From: Yu Chen <yuchen@mail.tsinghua.edu.cn>
Date: Wed, 8 Feb 2023 00:04:50 +0800
Subject: [PATCH] fix net support for user net app

---
 user/src/bin/udp.rs | 3 ++-
 user/src/lib.rs     | 2 ++
 user/src/net.rs     | 5 +++++
 3 files changed, 9 insertions(+), 1 deletion(-)
 create mode 100644 user/src/net.rs

diff --git a/user/src/bin/udp.rs b/user/src/bin/udp.rs
index dda6005..f2f0093 100644
--- a/user/src/bin/udp.rs
+++ b/user/src/bin/udp.rs
@@ -2,13 +2,14 @@
 #![no_main]
 
 use alloc::string::String;
-use user_lib::{connect, write, read};
 
 #[macro_use]
 extern crate user_lib;
 #[macro_use]
 extern crate alloc;
 
+use user_lib::{connect, write, read};
+
 #[no_mangle]
 pub fn main() -> i32 {
     println!("udp test open!");
diff --git a/user/src/lib.rs b/user/src/lib.rs
index 0d0db85..1b5b2f3 100644
--- a/user/src/lib.rs
+++ b/user/src/lib.rs
@@ -12,6 +12,7 @@ mod file;
 mod task;
 mod sync;
 mod io;
+mod net;
 
 extern crate alloc;
 #[macro_use]
@@ -24,6 +25,7 @@ pub use file::*;
 pub use task::*;
 pub use sync::*;
 pub use io::*;
+pub use net::*;
 
 const USER_HEAP_SIZE: usize = 32768;
 
diff --git a/user/src/net.rs b/user/src/net.rs
new file mode 100644
index 0000000..40ebca4
--- /dev/null
+++ b/user/src/net.rs
@@ -0,0 +1,5 @@
+use super::*;
+
+pub fn connect(ip: u32, sport: u16, dport: u16) -> isize {
+    sys_connect(ip, sport, dport)
+}
\ No newline at end of file