rust/src/librustuv/net.rs
2013-11-10 01:37:10 -08:00

854 lines
30 KiB
Rust

// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
use std::libc::{size_t, ssize_t, c_int, c_void, c_uint, c_char};
use std::vec;
use std::str;
use std::rt::io::net::ip::{SocketAddr, Ipv4Addr, Ipv6Addr};
use uvll;
use uvll::*;
use super::{AllocCallback, ConnectionCallback, ReadCallback, UdpReceiveCallback,
UdpSendCallback, Loop, Watcher, Request, UvError, Buf, NativeHandle,
status_to_maybe_uv_error, empty_buf};
pub struct UvAddrInfo(*uvll::addrinfo);
pub enum UvSocketAddr {
UvIpv4SocketAddr(*sockaddr_in),
UvIpv6SocketAddr(*sockaddr_in6),
}
pub fn sockaddr_to_UvSocketAddr(addr: *uvll::sockaddr) -> UvSocketAddr {
unsafe {
assert!((is_ip4_addr(addr) || is_ip6_addr(addr)));
assert!(!(is_ip4_addr(addr) && is_ip6_addr(addr)));
match addr {
_ if is_ip4_addr(addr) => UvIpv4SocketAddr(addr as *uvll::sockaddr_in),
_ if is_ip6_addr(addr) => UvIpv6SocketAddr(addr as *uvll::sockaddr_in6),
_ => fail!(),
}
}
}
fn socket_addr_as_uv_socket_addr<T>(addr: SocketAddr, f: &fn(UvSocketAddr) -> T) -> T {
let malloc = match addr.ip {
Ipv4Addr(*) => malloc_ip4_addr,
Ipv6Addr(*) => malloc_ip6_addr,
};
let wrap = match addr.ip {
Ipv4Addr(*) => UvIpv4SocketAddr,
Ipv6Addr(*) => UvIpv6SocketAddr,
};
let free = match addr.ip {
Ipv4Addr(*) => free_ip4_addr,
Ipv6Addr(*) => free_ip6_addr,
};
let addr = unsafe { malloc(addr.ip.to_str(), addr.port as int) };
do (|| {
f(wrap(addr))
}).finally {
unsafe { free(addr) };
}
}
fn uv_socket_addr_as_socket_addr<T>(addr: UvSocketAddr, f: &fn(SocketAddr) -> T) -> T {
let ip_size = match addr {
UvIpv4SocketAddr(*) => 4/*groups of*/ * 3/*digits separated by*/ + 3/*periods*/,
UvIpv6SocketAddr(*) => 8/*groups of*/ * 4/*hex digits separated by*/ + 7 /*colons*/,
};
let ip_name = {
let buf = vec::from_elem(ip_size + 1 /*null terminated*/, 0u8);
unsafe {
let buf_ptr = vec::raw::to_ptr(buf);
match addr {
UvIpv4SocketAddr(addr) =>
uvll::uv_ip4_name(addr, buf_ptr as *c_char, ip_size as size_t),
UvIpv6SocketAddr(addr) =>
uvll::uv_ip6_name(addr, buf_ptr as *c_char, ip_size as size_t),
}
};
buf
};
let ip_port = unsafe {
let port = match addr {
UvIpv4SocketAddr(addr) => uvll::ip4_port(addr),
UvIpv6SocketAddr(addr) => uvll::ip6_port(addr),
};
port as u16
};
let ip_str = str::from_utf8_slice(ip_name).trim_right_chars(&'\x00');
let ip_addr = FromStr::from_str(ip_str).unwrap();
// finally run the closure
f(SocketAddr { ip: ip_addr, port: ip_port })
}
pub fn uv_socket_addr_to_socket_addr(addr: UvSocketAddr) -> SocketAddr {
use std::util;
uv_socket_addr_as_socket_addr(addr, util::id)
}
#[cfg(test)]
#[test]
fn test_ip4_conversion() {
use std::rt;
let ip4 = rt::test::next_test_ip4();
assert_eq!(ip4, socket_addr_as_uv_socket_addr(ip4, uv_socket_addr_to_socket_addr));
}
#[cfg(test)]
#[test]
fn test_ip6_conversion() {
use std::rt;
let ip6 = rt::test::next_test_ip6();
assert_eq!(ip6, socket_addr_as_uv_socket_addr(ip6, uv_socket_addr_to_socket_addr));
}
// uv_stream_t is the parent class of uv_tcp_t, uv_pipe_t, uv_tty_t
// and uv_file_t
pub struct StreamWatcher(*uvll::uv_stream_t);
impl Watcher for StreamWatcher { }
impl StreamWatcher {
pub fn read_start(&mut self, alloc: AllocCallback, cb: ReadCallback) {
unsafe {
match uvll::uv_read_start(self.native_handle(), alloc_cb, read_cb) {
0 => {
let data = self.get_watcher_data();
data.alloc_cb = Some(alloc);
data.read_cb = Some(cb);
}
n => {
cb(*self, 0, empty_buf(), Some(UvError(n)))
}
}
}
extern fn alloc_cb(stream: *uvll::uv_stream_t, suggested_size: size_t) -> Buf {
let mut stream_watcher: StreamWatcher = NativeHandle::from_native_handle(stream);
let alloc_cb = stream_watcher.get_watcher_data().alloc_cb.get_ref();
return (*alloc_cb)(suggested_size as uint);
}
extern fn read_cb(stream: *uvll::uv_stream_t, nread: ssize_t, buf: Buf) {
uvdebug!("buf addr: {}", buf.base);
uvdebug!("buf len: {}", buf.len);
let mut stream_watcher: StreamWatcher = NativeHandle::from_native_handle(stream);
let cb = stream_watcher.get_watcher_data().read_cb.get_ref();
let status = status_to_maybe_uv_error(nread as c_int);
(*cb)(stream_watcher, nread as int, buf, status);
}
}
pub fn read_stop(&mut self) {
// It would be nice to drop the alloc and read callbacks here,
// but read_stop may be called from inside one of them and we
// would end up freeing the in-use environment
let handle = self.native_handle();
unsafe { assert_eq!(uvll::uv_read_stop(handle), 0); }
}
pub fn write(&mut self, buf: Buf, cb: ConnectionCallback) {
let req = WriteRequest::new();
return unsafe {
match uvll::uv_write(req.native_handle(), self.native_handle(),
[buf], write_cb) {
0 => {
let data = self.get_watcher_data();
assert!(data.write_cb.is_none());
data.write_cb = Some(cb);
}
n => {
req.delete();
cb(*self, Some(UvError(n)))
}
}
};
extern fn write_cb(req: *uvll::uv_write_t, status: c_int) {
let write_request: WriteRequest = NativeHandle::from_native_handle(req);
let mut stream_watcher = write_request.stream();
write_request.delete();
let cb = stream_watcher.get_watcher_data().write_cb.take_unwrap();
let status = status_to_maybe_uv_error(status);
cb(stream_watcher, status);
}
}
pub fn listen(&mut self, cb: ConnectionCallback) -> Result<(), UvError> {
{
let data = self.get_watcher_data();
assert!(data.connect_cb.is_none());
data.connect_cb = Some(cb);
}
return unsafe {
static BACKLOG: c_int = 128; // XXX should be configurable
match uvll::uv_listen(self.native_handle(), BACKLOG, connection_cb) {
0 => Ok(()),
n => Err(UvError(n))
}
};
extern fn connection_cb(handle: *uvll::uv_stream_t, status: c_int) {
uvdebug!("connection_cb");
let mut stream_watcher: StreamWatcher = NativeHandle::from_native_handle(handle);
let cb = stream_watcher.get_watcher_data().connect_cb.get_ref();
let status = status_to_maybe_uv_error(status);
(*cb)(stream_watcher, status);
}
}
pub fn accept(&mut self, stream: StreamWatcher) {
let self_handle = self.native_handle() as *c_void;
let stream_handle = stream.native_handle() as *c_void;
assert_eq!(0, unsafe { uvll::uv_accept(self_handle, stream_handle) } );
}
}
impl NativeHandle<*uvll::uv_stream_t> for StreamWatcher {
fn from_native_handle(handle: *uvll::uv_stream_t) -> StreamWatcher {
StreamWatcher(handle)
}
fn native_handle(&self) -> *uvll::uv_stream_t {
match self { &StreamWatcher(ptr) => ptr }
}
}
pub struct TcpWatcher(*uvll::uv_tcp_t);
impl Watcher for TcpWatcher { }
impl TcpWatcher {
pub fn new(loop_: &Loop) -> TcpWatcher {
unsafe {
let handle = malloc_handle(UV_TCP);
assert!(handle.is_not_null());
assert_eq!(0, uvll::uv_tcp_init(loop_.native_handle(), handle));
let mut watcher: TcpWatcher = NativeHandle::from_native_handle(handle);
watcher.install_watcher_data();
return watcher;
}
}
pub fn bind(&mut self, address: SocketAddr) -> Result<(), UvError> {
do socket_addr_as_uv_socket_addr(address) |addr| {
let result = unsafe {
match addr {
UvIpv4SocketAddr(addr) => uvll::tcp_bind(self.native_handle(), addr),
UvIpv6SocketAddr(addr) => uvll::tcp_bind6(self.native_handle(), addr),
}
};
match result {
0 => Ok(()),
_ => Err(UvError(result)),
}
}
}
pub fn connect(&mut self, address: SocketAddr, cb: ConnectionCallback) {
unsafe {
assert!(self.get_watcher_data().connect_cb.is_none());
self.get_watcher_data().connect_cb = Some(cb);
let connect_handle = ConnectRequest::new().native_handle();
uvdebug!("connect_t: {}", connect_handle);
do socket_addr_as_uv_socket_addr(address) |addr| {
let result = match addr {
UvIpv4SocketAddr(addr) => uvll::tcp_connect(connect_handle,
self.native_handle(), addr, connect_cb),
UvIpv6SocketAddr(addr) => uvll::tcp_connect6(connect_handle,
self.native_handle(), addr, connect_cb),
};
assert_eq!(0, result);
}
extern fn connect_cb(req: *uvll::uv_connect_t, status: c_int) {
uvdebug!("connect_t: {}", req);
let connect_request: ConnectRequest = NativeHandle::from_native_handle(req);
let mut stream_watcher = connect_request.stream();
connect_request.delete();
let cb = stream_watcher.get_watcher_data().connect_cb.take_unwrap();
let status = status_to_maybe_uv_error(status);
cb(stream_watcher, status);
}
}
}
pub fn as_stream(&self) -> StreamWatcher {
NativeHandle::from_native_handle(self.native_handle() as *uvll::uv_stream_t)
}
}
impl NativeHandle<*uvll::uv_tcp_t> for TcpWatcher {
fn from_native_handle(handle: *uvll::uv_tcp_t) -> TcpWatcher {
TcpWatcher(handle)
}
fn native_handle(&self) -> *uvll::uv_tcp_t {
match self { &TcpWatcher(ptr) => ptr }
}
}
pub struct UdpWatcher(*uvll::uv_udp_t);
impl Watcher for UdpWatcher { }
impl UdpWatcher {
pub fn new(loop_: &Loop) -> UdpWatcher {
unsafe {
let handle = malloc_handle(UV_UDP);
assert!(handle.is_not_null());
assert_eq!(0, uvll::uv_udp_init(loop_.native_handle(), handle));
let mut watcher: UdpWatcher = NativeHandle::from_native_handle(handle);
watcher.install_watcher_data();
return watcher;
}
}
pub fn bind(&mut self, address: SocketAddr) -> Result<(), UvError> {
do socket_addr_as_uv_socket_addr(address) |addr| {
let result = unsafe {
match addr {
UvIpv4SocketAddr(addr) => uvll::udp_bind(self.native_handle(), addr, 0u32),
UvIpv6SocketAddr(addr) => uvll::udp_bind6(self.native_handle(), addr, 0u32),
}
};
match result {
0 => Ok(()),
_ => Err(UvError(result)),
}
}
}
pub fn recv_start(&mut self, alloc: AllocCallback, cb: UdpReceiveCallback) {
{
let data = self.get_watcher_data();
data.alloc_cb = Some(alloc);
data.udp_recv_cb = Some(cb);
}
unsafe { uvll::uv_udp_recv_start(self.native_handle(), alloc_cb, recv_cb); }
extern fn alloc_cb(handle: *uvll::uv_udp_t, suggested_size: size_t) -> Buf {
let mut udp_watcher: UdpWatcher = NativeHandle::from_native_handle(handle);
let alloc_cb = udp_watcher.get_watcher_data().alloc_cb.get_ref();
return (*alloc_cb)(suggested_size as uint);
}
extern fn recv_cb(handle: *uvll::uv_udp_t, nread: ssize_t, buf: Buf,
addr: *uvll::sockaddr, flags: c_uint) {
// When there's no data to read the recv callback can be a no-op.
// This can happen if read returns EAGAIN/EWOULDBLOCK. By ignoring
// this we just drop back to kqueue and wait for the next callback.
if nread == 0 {
return;
}
uvdebug!("buf addr: {}", buf.base);
uvdebug!("buf len: {}", buf.len);
let mut udp_watcher: UdpWatcher = NativeHandle::from_native_handle(handle);
let cb = udp_watcher.get_watcher_data().udp_recv_cb.get_ref();
let status = status_to_maybe_uv_error(nread as c_int);
let addr = uv_socket_addr_to_socket_addr(sockaddr_to_UvSocketAddr(addr));
(*cb)(udp_watcher, nread as int, buf, addr, flags as uint, status);
}
}
pub fn recv_stop(&mut self) {
unsafe { uvll::uv_udp_recv_stop(self.native_handle()); }
}
pub fn send(&mut self, buf: Buf, address: SocketAddr, cb: UdpSendCallback) {
{
let data = self.get_watcher_data();
assert!(data.udp_send_cb.is_none());
data.udp_send_cb = Some(cb);
}
let req = UdpSendRequest::new();
do socket_addr_as_uv_socket_addr(address) |addr| {
let result = unsafe {
match addr {
UvIpv4SocketAddr(addr) => uvll::udp_send(req.native_handle(),
self.native_handle(), [buf], addr, send_cb),
UvIpv6SocketAddr(addr) => uvll::udp_send6(req.native_handle(),
self.native_handle(), [buf], addr, send_cb),
}
};
assert_eq!(0, result);
}
extern fn send_cb(req: *uvll::uv_udp_send_t, status: c_int) {
let send_request: UdpSendRequest = NativeHandle::from_native_handle(req);
let mut udp_watcher = send_request.handle();
send_request.delete();
let cb = udp_watcher.get_watcher_data().udp_send_cb.take_unwrap();
let status = status_to_maybe_uv_error(status);
cb(udp_watcher, status);
}
}
}
impl NativeHandle<*uvll::uv_udp_t> for UdpWatcher {
fn from_native_handle(handle: *uvll::uv_udp_t) -> UdpWatcher {
UdpWatcher(handle)
}
fn native_handle(&self) -> *uvll::uv_udp_t {
match self { &UdpWatcher(ptr) => ptr }
}
}
// uv_connect_t is a subclass of uv_req_t
pub struct ConnectRequest(*uvll::uv_connect_t);
impl Request for ConnectRequest { }
impl ConnectRequest {
pub fn new() -> ConnectRequest {
let connect_handle = unsafe { malloc_req(UV_CONNECT) };
assert!(connect_handle.is_not_null());
ConnectRequest(connect_handle as *uvll::uv_connect_t)
}
fn stream(&self) -> StreamWatcher {
unsafe {
let stream_handle = uvll::get_stream_handle_from_connect_req(self.native_handle());
NativeHandle::from_native_handle(stream_handle)
}
}
fn delete(self) {
unsafe { free_req(self.native_handle() as *c_void) }
}
}
impl NativeHandle<*uvll::uv_connect_t> for ConnectRequest {
fn from_native_handle(handle: *uvll:: uv_connect_t) -> ConnectRequest {
ConnectRequest(handle)
}
fn native_handle(&self) -> *uvll::uv_connect_t {
match self { &ConnectRequest(ptr) => ptr }
}
}
pub struct WriteRequest(*uvll::uv_write_t);
impl Request for WriteRequest { }
impl WriteRequest {
pub fn new() -> WriteRequest {
let write_handle = unsafe { malloc_req(UV_WRITE) };
assert!(write_handle.is_not_null());
WriteRequest(write_handle as *uvll::uv_write_t)
}
pub fn stream(&self) -> StreamWatcher {
unsafe {
let stream_handle = uvll::get_stream_handle_from_write_req(self.native_handle());
NativeHandle::from_native_handle(stream_handle)
}
}
pub fn delete(self) {
unsafe { free_req(self.native_handle() as *c_void) }
}
}
impl NativeHandle<*uvll::uv_write_t> for WriteRequest {
fn from_native_handle(handle: *uvll:: uv_write_t) -> WriteRequest {
WriteRequest(handle)
}
fn native_handle(&self) -> *uvll::uv_write_t {
match self { &WriteRequest(ptr) => ptr }
}
}
pub struct UdpSendRequest(*uvll::uv_udp_send_t);
impl Request for UdpSendRequest { }
impl UdpSendRequest {
pub fn new() -> UdpSendRequest {
let send_handle = unsafe { malloc_req(UV_UDP_SEND) };
assert!(send_handle.is_not_null());
UdpSendRequest(send_handle as *uvll::uv_udp_send_t)
}
pub fn handle(&self) -> UdpWatcher {
let send_request_handle = unsafe {
uvll::get_udp_handle_from_send_req(self.native_handle())
};
NativeHandle::from_native_handle(send_request_handle)
}
pub fn delete(self) {
unsafe { free_req(self.native_handle() as *c_void) }
}
}
impl NativeHandle<*uvll::uv_udp_send_t> for UdpSendRequest {
fn from_native_handle(handle: *uvll::uv_udp_send_t) -> UdpSendRequest {
UdpSendRequest(handle)
}
fn native_handle(&self) -> *uvll::uv_udp_send_t {
match self { &UdpSendRequest(ptr) => ptr }
}
}
#[cfg(test)]
mod test {
use super::*;
use std::util::ignore;
use std::cell::Cell;
use std::vec;
use std::unstable::run_in_bare_thread;
use std::rt::thread::Thread;
use std::rt::test::*;
use super::super::{Loop, AllocCallback};
use super::super::{vec_from_uv_buf, vec_to_uv_buf, slice_to_uv_buf};
#[test]
fn connect_close_ip4() {
do run_in_bare_thread() {
let mut loop_ = Loop::new();
let mut tcp_watcher = { TcpWatcher::new(&mut loop_) };
// Connect to a port where nobody is listening
let addr = next_test_ip4();
do tcp_watcher.connect(addr) |stream_watcher, status| {
uvdebug!("tcp_watcher.connect!");
assert!(status.is_some());
assert_eq!(status.unwrap().name(), ~"ECONNREFUSED");
stream_watcher.close(||());
}
loop_.run();
loop_.close();
}
}
#[test]
fn connect_close_ip6() {
do run_in_bare_thread() {
let mut loop_ = Loop::new();
let mut tcp_watcher = { TcpWatcher::new(&mut loop_) };
// Connect to a port where nobody is listening
let addr = next_test_ip6();
do tcp_watcher.connect(addr) |stream_watcher, status| {
uvdebug!("tcp_watcher.connect!");
assert!(status.is_some());
assert_eq!(status.unwrap().name(), ~"ECONNREFUSED");
stream_watcher.close(||());
}
loop_.run();
loop_.close();
}
}
#[test]
fn udp_bind_close_ip4() {
do run_in_bare_thread() {
let mut loop_ = Loop::new();
let mut udp_watcher = { UdpWatcher::new(&mut loop_) };
let addr = next_test_ip4();
udp_watcher.bind(addr);
udp_watcher.close(||());
loop_.run();
loop_.close();
}
}
#[test]
fn udp_bind_close_ip6() {
do run_in_bare_thread() {
let mut loop_ = Loop::new();
let mut udp_watcher = { UdpWatcher::new(&mut loop_) };
let addr = next_test_ip6();
udp_watcher.bind(addr);
udp_watcher.close(||());
loop_.run();
loop_.close();
}
}
#[test]
fn listen_ip4() {
do run_in_bare_thread() {
static MAX: int = 10;
let mut loop_ = Loop::new();
let mut server_tcp_watcher = { TcpWatcher::new(&mut loop_) };
let addr = next_test_ip4();
server_tcp_watcher.bind(addr);
let loop_ = loop_;
uvdebug!("listening");
let mut stream = server_tcp_watcher.as_stream();
let res = do stream.listen |mut server_stream_watcher, status| {
uvdebug!("listened!");
assert!(status.is_none());
let mut loop_ = loop_;
let client_tcp_watcher = TcpWatcher::new(&mut loop_);
let mut client_tcp_watcher = client_tcp_watcher.as_stream();
server_stream_watcher.accept(client_tcp_watcher);
let count_cell = Cell::new(0);
let server_stream_watcher = server_stream_watcher;
uvdebug!("starting read");
let alloc: AllocCallback = |size| {
vec_to_uv_buf(vec::from_elem(size, 0u8))
};
do client_tcp_watcher.read_start(alloc) |stream_watcher, nread, buf, status| {
uvdebug!("i'm reading!");
let buf = vec_from_uv_buf(buf);
let mut count = count_cell.take();
if status.is_none() {
uvdebug!("got {} bytes", nread);
let buf = buf.unwrap();
for byte in buf.slice(0, nread as uint).iter() {
assert!(*byte == count as u8);
uvdebug!("{}", *byte as uint);
count += 1;
}
} else {
assert_eq!(count, MAX);
do stream_watcher.close {
server_stream_watcher.close(||());
}
}
count_cell.put_back(count);
}
};
assert!(res.is_ok());
let client_thread = do Thread::start {
uvdebug!("starting client thread");
let mut loop_ = Loop::new();
let mut tcp_watcher = { TcpWatcher::new(&mut loop_) };
do tcp_watcher.connect(addr) |mut stream_watcher, status| {
uvdebug!("connecting");
assert!(status.is_none());
let msg = ~[0, 1, 2, 3, 4, 5, 6 ,7 ,8, 9];
let buf = slice_to_uv_buf(msg);
let msg_cell = Cell::new(msg);
do stream_watcher.write(buf) |stream_watcher, status| {
uvdebug!("writing");
assert!(status.is_none());
let msg_cell = Cell::new(msg_cell.take());
stream_watcher.close(||ignore(msg_cell.take()));
}
}
loop_.run();
loop_.close();
};
let mut loop_ = loop_;
loop_.run();
loop_.close();
client_thread.join();
};
}
#[test]
fn listen_ip6() {
do run_in_bare_thread() {
static MAX: int = 10;
let mut loop_ = Loop::new();
let mut server_tcp_watcher = { TcpWatcher::new(&mut loop_) };
let addr = next_test_ip6();
server_tcp_watcher.bind(addr);
let loop_ = loop_;
uvdebug!("listening");
let mut stream = server_tcp_watcher.as_stream();
let res = do stream.listen |mut server_stream_watcher, status| {
uvdebug!("listened!");
assert!(status.is_none());
let mut loop_ = loop_;
let client_tcp_watcher = TcpWatcher::new(&mut loop_);
let mut client_tcp_watcher = client_tcp_watcher.as_stream();
server_stream_watcher.accept(client_tcp_watcher);
let count_cell = Cell::new(0);
let server_stream_watcher = server_stream_watcher;
uvdebug!("starting read");
let alloc: AllocCallback = |size| {
vec_to_uv_buf(vec::from_elem(size, 0u8))
};
do client_tcp_watcher.read_start(alloc)
|stream_watcher, nread, buf, status| {
uvdebug!("i'm reading!");
let buf = vec_from_uv_buf(buf);
let mut count = count_cell.take();
if status.is_none() {
uvdebug!("got {} bytes", nread);
let buf = buf.unwrap();
let r = buf.slice(0, nread as uint);
for byte in r.iter() {
assert!(*byte == count as u8);
uvdebug!("{}", *byte as uint);
count += 1;
}
} else {
assert_eq!(count, MAX);
do stream_watcher.close {
server_stream_watcher.close(||());
}
}
count_cell.put_back(count);
}
};
assert!(res.is_ok());
let client_thread = do Thread::start {
uvdebug!("starting client thread");
let mut loop_ = Loop::new();
let mut tcp_watcher = { TcpWatcher::new(&mut loop_) };
do tcp_watcher.connect(addr) |mut stream_watcher, status| {
uvdebug!("connecting");
assert!(status.is_none());
let msg = ~[0, 1, 2, 3, 4, 5, 6 ,7 ,8, 9];
let buf = slice_to_uv_buf(msg);
let msg_cell = Cell::new(msg);
do stream_watcher.write(buf) |stream_watcher, status| {
uvdebug!("writing");
assert!(status.is_none());
let msg_cell = Cell::new(msg_cell.take());
stream_watcher.close(||ignore(msg_cell.take()));
}
}
loop_.run();
loop_.close();
};
let mut loop_ = loop_;
loop_.run();
loop_.close();
client_thread.join();
}
}
#[test]
fn udp_recv_ip4() {
do run_in_bare_thread() {
static MAX: int = 10;
let mut loop_ = Loop::new();
let server_addr = next_test_ip4();
let client_addr = next_test_ip4();
let mut server = UdpWatcher::new(&loop_);
assert!(server.bind(server_addr).is_ok());
uvdebug!("starting read");
let alloc: AllocCallback = |size| {
vec_to_uv_buf(vec::from_elem(size, 0u8))
};
do server.recv_start(alloc) |mut server, nread, buf, src, flags, status| {
server.recv_stop();
uvdebug!("i'm reading!");
assert!(status.is_none());
assert_eq!(flags, 0);
assert_eq!(src, client_addr);
let buf = vec_from_uv_buf(buf);
let mut count = 0;
uvdebug!("got {} bytes", nread);
let buf = buf.unwrap();
for &byte in buf.slice(0, nread as uint).iter() {
assert!(byte == count as u8);
uvdebug!("{}", byte as uint);
count += 1;
}
assert_eq!(count, MAX);
server.close(||{});
}
let thread = do Thread::start {
let mut loop_ = Loop::new();
let mut client = UdpWatcher::new(&loop_);
assert!(client.bind(client_addr).is_ok());
let msg = ~[0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
let buf = slice_to_uv_buf(msg);
do client.send(buf, server_addr) |client, status| {
uvdebug!("writing");
assert!(status.is_none());
client.close(||{});
}
loop_.run();
loop_.close();
};
loop_.run();
loop_.close();
thread.join();
}
}
#[test]
fn udp_recv_ip6() {
do run_in_bare_thread() {
static MAX: int = 10;
let mut loop_ = Loop::new();
let server_addr = next_test_ip6();
let client_addr = next_test_ip6();
let mut server = UdpWatcher::new(&loop_);
assert!(server.bind(server_addr).is_ok());
uvdebug!("starting read");
let alloc: AllocCallback = |size| {
vec_to_uv_buf(vec::from_elem(size, 0u8))
};
do server.recv_start(alloc) |mut server, nread, buf, src, flags, status| {
server.recv_stop();
uvdebug!("i'm reading!");
assert!(status.is_none());
assert_eq!(flags, 0);
assert_eq!(src, client_addr);
let buf = vec_from_uv_buf(buf);
let mut count = 0;
uvdebug!("got {} bytes", nread);
let buf = buf.unwrap();
for &byte in buf.slice(0, nread as uint).iter() {
assert!(byte == count as u8);
uvdebug!("{}", byte as uint);
count += 1;
}
assert_eq!(count, MAX);
server.close(||{});
}
let thread = do Thread::start {
let mut loop_ = Loop::new();
let mut client = UdpWatcher::new(&loop_);
assert!(client.bind(client_addr).is_ok());
let msg = ~[0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
let buf = slice_to_uv_buf(msg);
do client.send(buf, server_addr) |client, status| {
uvdebug!("writing");
assert!(status.is_none());
client.close(||{});
}
loop_.run();
loop_.close();
};
loop_.run();
loop_.close();
thread.join();
}
}
}