upd5

socket.c.v

@@ -14,8 +14,10 @@ fn C.shutdown(i32, i32) i32
 fn C.close(i32) i32
 fn C.setsockopt(i32, i32, i32, voidptr, i32) i32
 fn C.getsockopt(i32, i32, i32, voidptr, voidptr) i32
-
-struct C.sockaddr_storage {}
+fn C.recv(i32, voidptr, usize, i32) i32
+fn C.recvfrom(i32, voidptr, usize, i32, voidptr, i32) i32
+fn C.send(i32, voidptr, usize, i32) i32
+fn C.sendto(i32, voidptr, usize, i32, voidptr, i32) i32
 
 pub struct Socket {
 pub:
@@ -111,6 +113,44 @@ pub fn (s Socket) get_option_int(level SocketLevel, option SocketOption) !int {
 	return result
 }
 
+// receive a message from a connected socket.
+pub fn (s Socket) recv(mut buf []u8, flags MsgFlag) !int {
+	r := C.recv(s.fd, buf.data, buf.len, flags)
+	if r == -1 {
+		return os.last_error()
+	}
+	return r
+}
+
+// receive a message from a connected socket.
+pub fn (s Socket) recv_from(mut buf []u8, flags MsgFlag) !(int, SocketAddr) {
+	mut sock_addr_storage := &C.sockaddr_storage{}
+	mut sock_addr_len := sizeof(C.sockaddr_storage)
+	r := C.recvfrom(s.fd, buf.data, buf.len, flags, sock_addr_storage, sock_addr_len)
+	if r == -1 {
+		return os.last_error()
+	}
+	return r, unsafe { SocketAddr.from_ptr(sock_addr_storage, sock_addr_len)! }
+}
+
+// send a message on socket.
+pub fn (s Socket) send(buf []u8, flags MsgFlag) !int {
+	r := C.send(s.fd, buf.data, buf.len, flags)
+	if r == -1 {
+		return os.last_error()
+	}
+	return r
+}
+
+// send a message on socket using the dst socket address as destination instead of the socket peer address.
+pub fn (s Socket) send_to(buf []u8, dst SocketAddr, flags MsgFlag) !int {
+	r := C.sendto(s.fd, buf.data, buf.len, flags, dst.ptr(), dst.size())
+	if r == -1 {
+		return os.last_error()
+	}
+	return r
+}
+
 // shutdown shut downs socket send and receive operations.
 pub fn (s Socket) shutdown(how Shutdown) ! {
 	if C.shutdown(s.fd, i32(how)) == -1 {