uv: implement a way to get client's ip/port.

src/libstd/net_ip.rs

@@ -10,8 +10,10 @@ use addrinfo = uv::ll::addrinfo;
 use uv_getaddrinfo_t = uv::ll::uv_getaddrinfo_t;
 use uv_ip4_addr = uv::ll::ip4_addr;
 use uv_ip4_name = uv::ll::ip4_name;
+use uv_ip4_port = uv::ll::ip4_port;
 use uv_ip6_addr = uv::ll::ip6_addr;
 use uv_ip6_name = uv::ll::ip6_name;
+use uv_ip6_port = uv::ll::ip6_port;
 use uv_getaddrinfo = uv::ll::getaddrinfo;
 use uv_freeaddrinfo = uv::ll::freeaddrinfo;
 use create_uv_getaddrinfo_t = uv::ll::getaddrinfo_t;
@@ -33,11 +35,11 @@ type ParseAddrErr = {
 };
 
 /**
- * Convert a `ip_addr` to a str
+ * Convert a `IpAddr` to a str
  *
  * # Arguments
  *
- * * ip - a `std::net::ip::ip_addr`
+ * * ip - a `std::net::ip::IpAddr`
  */
 pub fn format_addr(ip: &IpAddr) -> ~str {
     match *ip {
@@ -58,6 +60,23 @@ pub fn format_addr(ip: &IpAddr) -> ~str {
     }
 }
 
+/**
+ * Get the associated port
+ *
+ * # Arguments
+ * * ip - a `std::net::ip::IpAddr`
+ */
+pub fn get_port(ip: &IpAddr) -> uint {
+    match *ip {
+        Ipv4(ref addr) => unsafe {
+            uv_ip4_port(addr)
+        },
+        Ipv6(ref addr) => unsafe {
+            uv_ip6_port(addr)
+        }
+    }
+}
+
 /// Represents errors returned from `net::ip::get_addr()`
 enum IpGetAddrErr {
     GetAddrUnknownError

src/libstd/net_tcp.rs

@@ -746,6 +746,22 @@ impl TcpSocket {
         -> future::Future<result::Result<(), TcpErrData>> {
         write_future(&self, raw_write_data)
     }
+    pub fn getpeername() -> ip::IpAddr {
+        unsafe {
+            let addr = uv::ll::ip4_addr("", 0);
+            uv::ll::tcp_getpeername(self.socket_data.stream_handle_ptr,
+                                    ptr::addr_of(&addr));
+            ip::Ipv4(move addr)
+        }
+    }
+    pub fn getpeername6() -> ip::IpAddr {
+        unsafe {
+            let addr = uv::ll::ip6_addr("", 0);
+            uv::ll::tcp_getpeername6(self.socket_data.stream_handle_ptr,
+                                     ptr::addr_of(&addr));
+            ip::Ipv6(move addr)
+        }
+    }
 }
 
 /// Implementation of `io::reader` trait for a buffered `net::tcp::tcp_socket`

src/libstd/uv_ll.rs

@@ -590,6 +590,8 @@ extern mod rustrt {
         -> libc::c_int;
     fn rust_uv_ip6_name(src: *sockaddr_in6, dst: *u8, size: libc::size_t)
         -> libc::c_int;
+    fn rust_uv_ip4_port(src: *sockaddr_in) -> libc::c_uint;
+    fn rust_uv_ip6_port(src: *sockaddr_in6) -> libc::c_uint;
     // FIXME ref #2064
     fn rust_uv_tcp_connect(connect_ptr: *uv_connect_t,
                            tcp_handle_ptr: *uv_tcp_t,
@@ -606,6 +608,10 @@ extern mod rustrt {
     // FIXME ref #2064
     fn rust_uv_tcp_bind6(tcp_server: *uv_tcp_t,
                         ++addr: *sockaddr_in6) -> libc::c_int;
+    fn rust_uv_tcp_getpeername(tcp_handle_ptr: *uv_tcp_t,
+                               ++name: *sockaddr_in) -> libc::c_int;
+    fn rust_uv_tcp_getpeername6(tcp_handle_ptr: *uv_tcp_t,
+                                ++name: *sockaddr_in6) ->libc::c_int;
     fn rust_uv_listen(stream: *libc::c_void, backlog: libc::c_int,
                       cb: *u8) -> libc::c_int;
     fn rust_uv_accept(server: *libc::c_void, client: *libc::c_void)
@@ -736,6 +742,16 @@ pub unsafe fn tcp_bind6(tcp_server_ptr: *uv_tcp_t,
                                  addr_ptr);
 }
 
+pub unsafe fn tcp_getpeername(tcp_handle_ptr: *uv_tcp_t,
+                              name: *sockaddr_in) -> libc::c_int {
+    return rustrt::rust_uv_tcp_getpeername(tcp_handle_ptr, name);
+}
+
+pub unsafe fn tcp_getpeername6(tcp_handle_ptr: *uv_tcp_t,
+                               name: *sockaddr_in6) ->libc::c_int {
+    return rustrt::rust_uv_tcp_getpeername6(tcp_handle_ptr, name);
+}
+
 pub unsafe fn listen<T>(stream: *T, backlog: libc::c_int,
                  cb: *u8) -> libc::c_int {
     return rustrt::rust_uv_listen(stream as *libc::c_void, backlog, cb);
@@ -857,6 +873,12 @@ pub unsafe fn ip6_name(src: &sockaddr_in6) -> ~str {
         }
     }
 }
+pub unsafe fn ip4_port(src: &sockaddr_in) -> uint {
+    rustrt::rust_uv_ip4_port(to_unsafe_ptr(src)) as uint
+}
+pub unsafe fn ip6_port(src: &sockaddr_in6) -> uint {
+    rustrt::rust_uv_ip6_port(to_unsafe_ptr(src)) as uint
+}
 
 pub unsafe fn timer_init(loop_ptr: *libc::c_void,
                      timer_ptr: *uv_timer_t) -> libc::c_int {

src/rt/rust_uv.cpp

@@ -269,6 +269,20 @@ rust_uv_tcp_bind6
     return uv_tcp_bind6(tcp_server, addr);
 }
 
+extern "C" int
+rust_uv_tcp_getpeername
+(uv_tcp_t* handle, sockaddr_in* name) {
+    int namelen = sizeof(sockaddr_in);
+    return uv_tcp_getpeername(handle, (sockaddr*)name, &namelen);
+}
+
+extern "C" int
+rust_uv_tcp_getpeername6
+(uv_tcp_t* handle, sockaddr_in6* name) {
+    int namelen = sizeof(sockaddr_in6);
+    return uv_tcp_getpeername(handle, (sockaddr*)name, &namelen);
+}
+
 extern "C" int
 rust_uv_listen(uv_stream_t* stream, int backlog,
         uv_connection_cb cb) {
@@ -480,6 +494,14 @@ rust_uv_ip6_name(struct sockaddr_in6* src, char* dst, size_t size) {
     int result = uv_ip6_name(src, dst, size);
     return result;
 }
+extern "C" unsigned int
+rust_uv_ip4_port(struct sockaddr_in* src) {
+    return ntohs(src->sin_port);
+}
+extern "C" unsigned int
+rust_uv_ip6_port(struct sockaddr_in6* src) {
+    return ntohs(src->sin6_port);
+}
 
 extern "C" uintptr_t*
 rust_uv_get_kernel_global_chan_ptr() {