[Lib] fix Socket::get_peer & Socket::get_local (#88)

* [Lib] fix `Socket::get_peer` & `Socket::get_local`

* [Misc] Bump to 0.5.1

* [CI] add 0.12

* [Lib] compatible with version 0.12.1 and earlier ver.

.github/workflows/example_0.12.yml

@@ -0,0 +1,84 @@
+name: examples 0.12
+
+on:
+  workflow_dispatch:
+    inputs:
+      logLevel:
+        description: 'Log level'
+        required: true
+        default: 'info'
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-20.04
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Install apt-get packages
+      run: |
+        sudo ACCEPT_EULA=Y apt-get update
+        sudo ACCEPT_EULA=Y apt-get upgrade
+        sudo apt-get install wget git curl software-properties-common build-essential
+    - name: Install Rust target
+      run: |
+        rustup target add wasm32-wasi
+    - name: Install WasmEdge
+      run: |
+        VERSION=0.12.1
+        curl -sSf https://raw.githubusercontent.com/WasmEdge/WasmEdge/master/utils/install.sh | sudo bash -s -- -e all --version=$VERSION --tf-version=$VERSION --tf-deps-version=$VERSION --tf-tools-version=$VERSION --image-version=$VERSION  -p /usr/local
+
+    # Disable this example due to it relies on wasmedge_http_req, which is a cyclic dependence
+    # - name: HTTP client example
+    #   run: |
+    #     cd examples/http_client/
+    #     cargo build --target wasm32-wasi --release
+    #     wasmedge target/wasm32-wasi/release/http_client.wasm
+
+    - name: HTTP async client example
+      run: |
+        cd examples/nonblock_http_client/
+        cargo build --target wasm32-wasi --release
+        wasmedge target/wasm32-wasi/release/nonblock_http_client.wasm
+
+    - name: HTTP server example
+      run: |
+        cd examples/http_server/
+        cargo build --target wasm32-wasi --release
+        nohup wasmedge target/wasm32-wasi/release/http_server.wasm &
+        echo $! > wasmedge.pid
+        wasmedge_pid=$(cat wasmedge.pid)
+        sleep 5
+        echo "fds:"
+        ls /proc/$wasmedge_pid/fd
+        resp=$(curl -X POST http://127.0.0.1:1234 -d "name=WasmEdge")
+        echo "Server response is $resp"
+        resp=$(curl -X POST http://127.0.0.1:1234 -d "name=WasmEdge")
+        resp=$(curl -X POST http://127.0.0.1:1234 -d "name=WasmEdge")
+        resp=$(curl -X POST http://127.0.0.1:1234 -d "name=WasmEdge")
+        resp=$(curl -X POST http://127.0.0.1:1234 -d "name=WasmEdge")
+        resp=$(curl -X POST http://127.0.0.1:1234 -d "name=WasmEdge")
+        echo "after 6 request, fds:"
+        ls /proc/$wasmedge_pid/fd
+        kill -9 $wasmedge_pid
+        rm wasmedge.pid
+
+    - name: UDP Socket Example
+      run: |
+        cargo build --target wasm32-wasi --example=udp_socket --release --no-default-features --features=built-in-dns
+        wasmedge target/wasm32-wasi/release/examples/udp_socket.wasm
+
+    - name: DNS Example
+      run: |
+        cargo build --target wasm32-wasi --example=get_addrinfo --release
+        wasmedge target/wasm32-wasi/release/examples/get_addrinfo.wasm
+
+    - name: ToSocketAddrs Example
+      run: |
+        cargo build --target wasm32-wasi --example=socket_addr --release
+        wasmedge target/wasm32-wasi/release/examples/socket_addr.wasm

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "wasmedge_wasi_socket"
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Yi <[email protected]>"]
 edition = "2021"
 license = "Apache-2.0"

examples/tcp_stream.rs

@@ -5,6 +5,8 @@ fn main() -> std::io::Result<()> {
     let port = std::env::var("PORT").unwrap_or("1234".to_string());
     println!("connect to 127.0.0.1:{}", port);
     let mut stream = TcpStream::connect(format!("127.0.0.1:{}", port))?;
+    println!("local address {}", stream.local_addr().unwrap());
+    println!("peer address {}", stream.peer_addr().unwrap());
     println!("sending hello message...");
     stream.write(b"hello")?;
     stream.shutdown(Shutdown::Both)?;

src/socket.rs

@@ -816,10 +816,10 @@ impl Socket {
             if res != 0 {
                 Err(io::Error::from_raw_os_error(res as i32))
             } else {
-                if addr_type == 4 {
+                if addr_type == 4 || addr_type == AddressFamily::Inet4 as u8 as u32 {
                     let ip_addr = Ipv4Addr::new(addr_buf[0], addr_buf[1], addr_buf[2], addr_buf[3]);
                     Ok(SocketAddr::V4(SocketAddrV4::new(ip_addr, port as u16)))
-                } else if addr_type == 6 {
+                } else if addr_type == 6 || addr_type == AddressFamily::Inet6 as u8 as u32 {
                     let ip_addr = Ipv6Addr::from(addr_buf);
                     Ok(SocketAddr::V6(SocketAddrV6::new(
                         ip_addr,
@@ -848,10 +848,10 @@ impl Socket {
             if res != 0 {
                 Err(io::Error::from_raw_os_error(res as i32))
             } else {
-                if addr_type == 4 {
+                if addr_type == 4 || addr_type == AddressFamily::Inet4 as u8 as u32 {
                     let ip_addr = Ipv4Addr::new(addr_buf[0], addr_buf[1], addr_buf[2], addr_buf[3]);
                     Ok(SocketAddr::V4(SocketAddrV4::new(ip_addr, port as u16)))
-                } else if addr_type == 6 {
+                } else if addr_type == 6 || addr_type == AddressFamily::Inet6 as u8 as u32 {
                     let ip_addr = Ipv6Addr::from(addr_buf);
                     Ok(SocketAddr::V6(SocketAddrV6::new(
                         ip_addr,