1 files changed, 288 insertions, 0 deletions
diff --git a/v_windows/v/vlib/net/unix/stream_nix.v b/v_windows/v/vlib/net/unix/stream_nix.v
new file mode 100644
index 0000000..e73acb7
--- /dev/null
+++ b/v_windows/v/vlib/net/unix/stream_nix.v
@@ -0,0 +1,288 @@
+module unix
+
+import time
+import os
+import net
+
+const (
+	unix_default_read_timeout  = 30 * time.second
+	unix_default_write_timeout = 30 * time.second
+	connect_timeout            = 5 * time.second
+	msg_nosignal               = 0x4000
+)
+
+struct StreamSocket {
+pub:
+	handle int
+mut:
+	path string
+}
+
+struct StreamConn {
+pub mut:
+	sock StreamSocket
+mut:
+	write_deadline time.Time
+	read_deadline  time.Time
+	read_timeout   time.Duration
+	write_timeout  time.Duration
+}
+
+struct StreamListener {
+pub mut:
+	sock StreamSocket
+mut:
+	accept_timeout  time.Duration
+	accept_deadline time.Time
+}
+
+fn error_code() int {
+	return C.errno
+}
+
+fn new_stream_socket() ?StreamSocket {
+	sockfd := net.socket_error(C.socket(net.AddrFamily.unix, net.SocketType.tcp, 0)) ?
+	mut s := StreamSocket{
+		handle: sockfd
+	}
+	return s
+}
+
+fn (mut s StreamSocket) close() ? {
+	return shutdown(s.handle)
+}
+
+fn (mut s StreamSocket) @select(test Select, timeout time.Duration) ?bool {
+	return @select(s.handle, test, timeout)
+}
+
+fn (mut s StreamSocket) connect(a string) ? {
+	if a.len >= max_sun_path {
+		return error('Socket path too long! Max length: ${max_sun_path - 1} chars.')
+	}
+	mut addr := C.sockaddr_un{}
+	unsafe { C.memset(&addr, 0, sizeof(C.sockaddr_un)) }
+	addr.sun_family = C.AF_UNIX
+	unsafe { C.strncpy(&addr.sun_path[0], &char(a.str), max_sun_path) }
+	size := C.SUN_LEN(&addr)
+	res := C.connect(s.handle, voidptr(&addr), size)
+	// if res != 1 {
+	// return none
+	//}
+	if res == 0 {
+		return
+	}
+	_ := error_code()
+	write_result := s.@select(.write, unix.connect_timeout) ?
+	if write_result {
+		// succeeded
+		return
+	}
+	except_result := s.@select(.except, unix.connect_timeout) ?
+	if except_result {
+		return net.err_connect_failed
+	}
+	// otherwise we timed out
+	return net.err_connect_timed_out
+}
+
+pub fn listen_stream(sock string) ?&StreamListener {
+	if sock.len >= max_sun_path {
+		return error('Socket path too long! Max length: ${max_sun_path - 1} chars.')
+	}
+	mut s := new_stream_socket() ?
+	s.path = sock
+	mut addr := C.sockaddr_un{}
+	unsafe { C.memset(&addr, 0, sizeof(C.sockaddr_un)) }
+	addr.sun_family = C.AF_UNIX
+	unsafe { C.strncpy(&addr.sun_path[0], &char(sock.str), max_sun_path) }
+	size := C.SUN_LEN(&addr)
+	if os.exists(sock) {
+		os.rm(sock) ?
+	}
+	net.socket_error(C.bind(s.handle, voidptr(&addr), size)) ?
+	os.chmod(sock, 0o777) ?
+	net.socket_error(C.listen(s.handle, 128)) ?
+	return &StreamListener{
+		sock: s
+	}
+}
+
+pub fn connect_stream(path string) ?&StreamConn {
+	mut s := new_stream_socket() ?
+	s.connect(path) ?
+	return &StreamConn{
+		sock: s
+		read_timeout: unix.unix_default_read_timeout
+		write_timeout: unix.unix_default_write_timeout
+	}
+}
+
+pub fn (mut l StreamListener) accept() ?&StreamConn {
+	mut new_handle := C.accept(l.sock.handle, 0, 0)
+	if new_handle <= 0 {
+		l.wait_for_accept() ?
+		new_handle = C.accept(l.sock.handle, 0, 0)
+		if new_handle == -1 || new_handle == 0 {
+			return error('accept failed')
+		}
+	}
+	new_sock := StreamSocket{
+		handle: new_handle
+	}
+	return &StreamConn{
+		sock: new_sock
+		read_timeout: unix.unix_default_read_timeout
+		write_timeout: unix.unix_default_write_timeout
+	}
+}
+
+pub fn (c &StreamListener) accept_deadline() ?time.Time {
+	if c.accept_deadline.unix != 0 {
+		return c.accept_deadline
+	}
+	return error('no deadline')
+}
+
+pub fn (mut c StreamListener) set_accept_deadline(deadline time.Time) {
+	c.accept_deadline = deadline
+}
+
+pub fn (c &StreamListener) accept_timeout() time.Duration {
+	return c.accept_timeout
+}
+
+pub fn (mut c StreamListener) set_accept_timeout(t time.Duration) {
+	c.accept_timeout = t
+}
+
+pub fn (mut c StreamListener) wait_for_accept() ? {
+	return wait_for_read(c.sock.handle, c.accept_deadline, c.accept_timeout)
+}
+
+pub fn (mut c StreamListener) close() ? {
+	os.rm(c.sock.path) ?
+	c.sock.close() ?
+}
+
+pub fn (mut c StreamConn) close() ? {
+	c.sock.close() ?
+}
+
+// write_ptr blocks and attempts to write all data
+pub fn (mut c StreamConn) write_ptr(b &byte, len int) ?int {
+	$if trace_unix ? {
+		eprintln(
+			'>>> StreamConn.write_ptr | c.sock.handle: $c.sock.handle | b: ${ptr_str(b)} len: $len |\n' +
+			unsafe { b.vstring_with_len(len) })
+	}
+	unsafe {
+		mut ptr_base := &byte(b)
+		mut total_sent := 0
+		for total_sent < len {
+			ptr := ptr_base + total_sent
+			remaining := len - total_sent
+			mut sent := C.send(c.sock.handle, ptr, remaining, unix.msg_nosignal)
+			if sent < 0 {
+				code := error_code()
+				if code == int(error_ewouldblock) {
+					c.wait_for_write() ?
+					continue
+				} else {
+					net.wrap_error(code) ?
+				}
+			}
+			total_sent += sent
+		}
+		return total_sent
+	}
+}
+
+// write blocks and attempts to write all data
+pub fn (mut c StreamConn) write(bytes []byte) ?int {
+	return c.write_ptr(bytes.data, bytes.len)
+}
+
+// write_string blocks and attempts to write all data
+pub fn (mut c StreamConn) write_string(s string) ?int {
+	return c.write_ptr(s.str, s.len)
+}
+
+pub fn (mut c StreamConn) read_ptr(buf_ptr &byte, len int) ?int {
+	mut res := wrap_read_result(C.recv(c.sock.handle, voidptr(buf_ptr), len, 0)) ?
+	$if trace_unix ? {
+		eprintln('<<< StreamConn.read_ptr  | c.sock.handle: $c.sock.handle | buf_ptr: ${ptr_str(buf_ptr)} len: $len | res: $res')
+	}
+	if res > 0 {
+		return res
+	}
+	code := error_code()
+	if code == int(error_ewouldblock) {
+		c.wait_for_read() ?
+		res = wrap_read_result(C.recv(c.sock.handle, voidptr(buf_ptr), len, 0)) ?
+		$if trace_unix ? {
+			eprintln('<<< StreamConn.read_ptr  | c.sock.handle: $c.sock.handle | buf_ptr: ${ptr_str(buf_ptr)} len: $len | res: $res')
+		}
+		return net.socket_error(res)
+	} else {
+		net.wrap_error(code) ?
+	}
+	return net.socket_error(code)
+}
+
+pub fn (mut c StreamConn) read(mut buf []byte) ?int {
+	return c.read_ptr(buf.data, buf.len)
+}
+
+pub fn (mut c StreamConn) read_deadline() ?time.Time {
+	if c.read_deadline.unix == 0 {
+		return c.read_deadline
+	}
+	return none
+}
+
+pub fn (mut c StreamConn) set_read_deadline(deadline time.Time) {
+	c.read_deadline = deadline
+}
+
+pub fn (mut c StreamConn) write_deadline() ?time.Time {
+	if c.write_deadline.unix == 0 {
+		return c.write_deadline
+	}
+	return none
+}
+
+pub fn (mut c StreamConn) set_write_deadline(deadline time.Time) {
+	c.write_deadline = deadline
+}
+
+pub fn (c &StreamConn) read_timeout() time.Duration {
+	return c.read_timeout
+}
+
+pub fn (mut c StreamConn) set_read_timeout(t time.Duration) {
+	c.read_timeout = t
+}
+
+pub fn (c &StreamConn) write_timeout() time.Duration {
+	return c.write_timeout
+}
+
+pub fn (mut c StreamConn) set_write_timeout(t time.Duration) {
+	c.write_timeout = t
+}
+
+[inline]
+pub fn (mut c StreamConn) wait_for_read() ? {
+	return wait_for_read(c.sock.handle, c.read_deadline, c.read_timeout)
+}
+
+[inline]
+pub fn (mut c StreamConn) wait_for_write() ? {
+	return wait_for_write(c.sock.handle, c.write_deadline, c.write_timeout)
+}
+
+pub fn (c StreamConn) str() string {
+	s := c.sock.str().replace('\n', ' ').replace('  ', ' ')
+	return 'StreamConn{ write_deadline: $c.write_deadline, read_deadline: $c.read_deadline, read_timeout: $c.read_timeout, write_timeout: $c.write_timeout, sock: $s }'
+}