diff options
Diffstat (limited to 'third_party/rust/dbus/src/message.rs')
| -rw-r--r-- | third_party/rust/dbus/src/message.rs | 1152 |
1 files changed, 1152 insertions, 0 deletions
diff --git a/third_party/rust/dbus/src/message.rs b/third_party/rust/dbus/src/message.rs new file mode 100644 index 0000000000..7a77dcd9a0 --- /dev/null +++ b/third_party/rust/dbus/src/message.rs @@ -0,0 +1,1152 @@ +use std::borrow::Cow; +use std::{fmt, mem, ptr, ops}; +use super::{ffi, Error, MessageType, Signature, libc, to_c_str, c_str_to_slice, init_dbus}; +use super::{BusName, Path, Interface, Member, ErrorName, Connection, SignalArgs}; +use std::os::unix::io::{RawFd, AsRawFd}; +use std::ffi::CStr; +use std::os::raw::{c_void, c_char, c_int}; + +use super::arg::{Append, IterAppend, Get, Iter, Arg, RefArg, TypeMismatchError}; + +#[derive(Debug,Copy,Clone)] +/// Errors that can happen when creating a MessageItem::Array. +pub enum ArrayError { + /// The array is empty. + EmptyArray, + /// The array is composed of different element types. + DifferentElementTypes, + /// The supplied signature is not a valid array signature + InvalidSignature, +} + +fn new_dbus_message_iter() -> ffi::DBusMessageIter { unsafe { mem::zeroed() }} + + +/// An RAII wrapper around Fd to ensure that file descriptor is closed +/// when the scope ends. +#[derive(Debug, PartialEq, PartialOrd)] +pub struct OwnedFd { + fd: RawFd +} + +impl OwnedFd { + /// Create a new OwnedFd from a RawFd. + pub fn new(fd: RawFd) -> OwnedFd { + OwnedFd { fd: fd } + } + + /// Convert an OwnedFD back into a RawFd. + pub fn into_fd(self) -> RawFd { + let s = self.fd; + ::std::mem::forget(self); + s + } +} + +impl Drop for OwnedFd { + fn drop(&mut self) { + unsafe { libc::close(self.fd); } + } +} + +impl Clone for OwnedFd { + fn clone(&self) -> OwnedFd { + OwnedFd::new(unsafe { libc::dup(self.fd) } ) // FIXME: handle errors + } +} + +impl AsRawFd for OwnedFd { + fn as_raw_fd(&self) -> RawFd { + self.fd + } +} + +#[derive(Debug, Clone, PartialEq, PartialOrd)] +/// An array of MessageItem where every MessageItem is of the same type. +pub struct MessageItemArray { + v: Vec<MessageItem>, + // signature includes the "a"! + sig: Signature<'static>, +} + +impl MessageItemArray { + /// Creates a new array where every element has the supplied signature. + /// + /// Signature is the full array signature, not the signature of the element. + pub fn new(v: Vec<MessageItem>, sig: Signature<'static>) -> Result<MessageItemArray, ArrayError> { + let a = MessageItemArray {v: v, sig: sig }; + if a.sig.as_bytes()[0] != ffi::DBUS_TYPE_ARRAY as u8 { return Err(ArrayError::InvalidSignature) } + { + let esig = a.element_signature(); + for i in &a.v { + let b = if let MessageItem::DictEntry(ref k, ref v) = *i { + let s = format!("{{{}{}}}", k.signature(), v.signature()); + s.as_bytes() == esig.to_bytes() + } else { + i.signature().as_cstr() == esig + }; + if !b { return Err(ArrayError::DifferentElementTypes) } + } + } + Ok(a) + } + + fn element_signature(&self) -> &CStr { + let z = &self.sig.as_cstr().to_bytes_with_nul()[1..]; + unsafe { CStr::from_bytes_with_nul_unchecked(z) } + } + + fn make_sig(m: &MessageItem) -> Signature<'static> { + if let MessageItem::DictEntry(ref k, ref v) = *m { + Signature::new(format!("a{{{}{}}}", k.signature(), v.signature())).unwrap() + } else { + Signature::new(format!("a{}", m.signature())).unwrap() + } + } + + /// Signature of array (full array signature) + pub fn signature(&self) -> &Signature<'static> { &self.sig } + + /// Consumes the MessageItemArray in order to allow you to modify the individual items of the array. + pub fn into_vec(self) -> Vec<MessageItem> { self.v } +} + +impl ops::Deref for MessageItemArray { + type Target = [MessageItem]; + fn deref(&self) -> &Self::Target { &self.v } +} + + +/// MessageItem - used as parameters and return values from +/// method calls, or as data added to a signal (old, enum version). +/// +/// Note that the newer generic design (see `arg` module) is both faster +/// and less error prone than MessageItem, and should be your first hand choice +/// whenever applicable. +#[derive(Debug, PartialEq, PartialOrd, Clone)] +pub enum MessageItem { + /// A D-Bus array requires all elements to be of the same type. + /// All elements must match the Signature. + Array(MessageItemArray), + /// A D-Bus struct allows for values of different types. + Struct(Vec<MessageItem>), + /// A D-Bus variant is a wrapper around another `MessageItem`, which + /// can be of any type. + Variant(Box<MessageItem>), + /// A D-Bus dictionary entry. These are only allowed inside an array. + DictEntry(Box<MessageItem>, Box<MessageItem>), + /// A D-Bus objectpath requires its content to be a valid objectpath, + /// so this cannot be any string. + ObjectPath(Path<'static>), + /// A D-Bus String is zero terminated, so no \0 s in the String, please. + /// (D-Bus strings are also - like Rust strings - required to be valid UTF-8.) + Str(String), + /// A D-Bus boolean type. + Bool(bool), + /// A D-Bus unsigned 8 bit type. + Byte(u8), + /// A D-Bus signed 16 bit type. + Int16(i16), + /// A D-Bus signed 32 bit type. + Int32(i32), + /// A D-Bus signed 64 bit type. + Int64(i64), + /// A D-Bus unsigned 16 bit type. + UInt16(u16), + /// A D-Bus unsigned 32 bit type. + UInt32(u32), + /// A D-Bus unsigned 64 bit type. + UInt64(u64), + /// A D-Bus IEEE-754 double-precision floating point type. + Double(f64), + /// D-Bus allows for sending file descriptors, which can be used to + /// set up SHM, unix pipes, or other communication channels. + UnixFd(OwnedFd), +} + +fn iter_get_basic<T>(i: &mut ffi::DBusMessageIter) -> T { + unsafe { + let mut c: T = mem::zeroed(); + let p = &mut c as *mut _ as *mut c_void; + ffi::dbus_message_iter_get_basic(i, p); + c + } +} + +fn iter_append_array(i: &mut ffi::DBusMessageIter, a: &[MessageItem], t: &CStr) { + let mut subiter = new_dbus_message_iter(); + + assert!(unsafe { ffi::dbus_message_iter_open_container(i, ffi::DBUS_TYPE_ARRAY, t.as_ptr(), &mut subiter) } != 0); + for item in a.iter() { +// assert!(item.type_sig() == t); + item.iter_append(&mut subiter); + } + assert!(unsafe { ffi::dbus_message_iter_close_container(i, &mut subiter) } != 0); +} + +fn iter_append_struct(i: &mut ffi::DBusMessageIter, a: &[MessageItem]) { + let mut subiter = new_dbus_message_iter(); + let res = unsafe { ffi::dbus_message_iter_open_container(i, ffi::DBUS_TYPE_STRUCT, ptr::null(), &mut subiter) }; + assert!(res != 0); + for item in a.iter() { + item.iter_append(&mut subiter); + } + let res2 = unsafe { ffi::dbus_message_iter_close_container(i, &mut subiter) }; + assert!(res2 != 0); +} + +fn iter_append_variant(i: &mut ffi::DBusMessageIter, a: &MessageItem) { + let mut subiter = new_dbus_message_iter(); + let asig = a.signature(); + let atype = asig.as_cstr(); + assert!(unsafe { ffi::dbus_message_iter_open_container(i, ffi::DBUS_TYPE_VARIANT, atype.as_ptr(), &mut subiter) } != 0); + a.iter_append(&mut subiter); + assert!(unsafe { ffi::dbus_message_iter_close_container(i, &mut subiter) } != 0); +} + +fn iter_append_dict(i: &mut ffi::DBusMessageIter, k: &MessageItem, v: &MessageItem) { + let mut subiter = new_dbus_message_iter(); + assert!(unsafe { ffi::dbus_message_iter_open_container(i, ffi::DBUS_TYPE_DICT_ENTRY, ptr::null(), &mut subiter) } != 0); + k.iter_append(&mut subiter); + v.iter_append(&mut subiter); + assert!(unsafe { ffi::dbus_message_iter_close_container(i, &mut subiter) } != 0); +} + +impl MessageItem { + /// Get the D-Bus Signature for this MessageItem. + /// + /// Note: Since dictionary entries have no valid signature, calling this function for a dict entry will cause a panic. + pub fn signature(&self) -> Signature<'static> { + use arg::Variant; + match *self { + MessageItem::Str(_) => <String as Arg>::signature(), + MessageItem::Bool(_) => <bool as Arg>::signature(), + MessageItem::Byte(_) => <u8 as Arg>::signature(), + MessageItem::Int16(_) => <i16 as Arg>::signature(), + MessageItem::Int32(_) => <i32 as Arg>::signature(), + MessageItem::Int64(_) => <i64 as Arg>::signature(), + MessageItem::UInt16(_) => <u16 as Arg>::signature(), + MessageItem::UInt32(_) => <u32 as Arg>::signature(), + MessageItem::UInt64(_) => <u64 as Arg>::signature(), + MessageItem::Double(_) => <f64 as Arg>::signature(), + MessageItem::Array(ref a) => a.sig.clone(), + MessageItem::Struct(ref s) => Signature::new(format!("({})", s.iter().fold(String::new(), |s, i| s + &*i.signature()))).unwrap(), + MessageItem::Variant(_) => <Variant<u8> as Arg>::signature(), + MessageItem::DictEntry(_, _) => { panic!("Dict entries are only valid inside arrays, and therefore has no signature on their own") }, + MessageItem::ObjectPath(_) => <Path as Arg>::signature(), + MessageItem::UnixFd(_) => <OwnedFd as Arg>::signature(), + } + } + + /// Get the D-Bus ASCII type-code for this MessageItem. + #[deprecated(note="superseded by signature")] + #[allow(deprecated)] + pub fn type_sig(&self) -> super::TypeSig<'static> { + Cow::Owned(format!("{}", self.signature())) + } + + /// Get the integer value for this MessageItem's type-code. + pub fn array_type(&self) -> i32 { + let s = match self { + &MessageItem::Str(_) => ffi::DBUS_TYPE_STRING, + &MessageItem::Bool(_) => ffi::DBUS_TYPE_BOOLEAN, + &MessageItem::Byte(_) => ffi::DBUS_TYPE_BYTE, + &MessageItem::Int16(_) => ffi::DBUS_TYPE_INT16, + &MessageItem::Int32(_) => ffi::DBUS_TYPE_INT32, + &MessageItem::Int64(_) => ffi::DBUS_TYPE_INT64, + &MessageItem::UInt16(_) => ffi::DBUS_TYPE_UINT16, + &MessageItem::UInt32(_) => ffi::DBUS_TYPE_UINT32, + &MessageItem::UInt64(_) => ffi::DBUS_TYPE_UINT64, + &MessageItem::Double(_) => ffi::DBUS_TYPE_DOUBLE, + &MessageItem::Array(_) => ffi::DBUS_TYPE_ARRAY, + &MessageItem::Struct(_) => ffi::DBUS_TYPE_STRUCT, + &MessageItem::Variant(_) => ffi::DBUS_TYPE_VARIANT, + &MessageItem::DictEntry(_,_) => ffi::DBUS_TYPE_DICT_ENTRY, + &MessageItem::ObjectPath(_) => ffi::DBUS_TYPE_OBJECT_PATH, + &MessageItem::UnixFd(_) => ffi::DBUS_TYPE_UNIX_FD, + }; + s as i32 + } + + /// Creates a (String, Variant) dictionary from an iterator with Result passthrough (an Err will abort and return that Err) + pub fn from_dict<E, I: Iterator<Item=Result<(String, MessageItem),E>>>(i: I) -> Result<MessageItem, E> { + let mut v = Vec::new(); + for r in i { + let (s, vv) = try!(r); + v.push((s.into(), Box::new(vv).into()).into()); + } + Ok(MessageItem::Array(MessageItemArray::new(v, Signature::new("a{sv}").unwrap()).unwrap())) + } + + /// Creates an MessageItem::Array from a list of MessageItems. + /// + /// Note: This requires `v` to be non-empty. See also + /// `MessageItem::from(&[T])`, which can handle empty arrays as well. + pub fn new_array(v: Vec<MessageItem>) -> Result<MessageItem,ArrayError> { + if v.len() == 0 { + return Err(ArrayError::EmptyArray); + } + let s = MessageItemArray::make_sig(&v[0]); + Ok(MessageItem::Array(MessageItemArray::new(v, s)?)) + } + + + fn new_array2<D, I>(i: I) -> MessageItem + where D: Into<MessageItem>, D: Default, I: Iterator<Item=D> { + let v: Vec<MessageItem> = i.map(|ii| ii.into()).collect(); + let s = { + let d; + let t = if v.len() == 0 { d = D::default().into(); &d } else { &v[0] }; + MessageItemArray::make_sig(t) + }; + MessageItem::Array(MessageItemArray::new(v, s).unwrap()) + } + + fn new_array3<'b, D: 'b, I>(i: I) -> MessageItem + where D: Into<MessageItem> + Default + Clone, I: Iterator<Item=&'b D> { + MessageItem::new_array2(i.map(|ii| ii.clone())) + } + + fn from_iter_single(i: &mut ffi::DBusMessageIter) -> Option<MessageItem> { + let t = unsafe { ffi::dbus_message_iter_get_arg_type(i) }; + match t { + ffi::DBUS_TYPE_INVALID => { None }, + ffi::DBUS_TYPE_DICT_ENTRY => { + let mut subiter = new_dbus_message_iter(); + unsafe { ffi::dbus_message_iter_recurse(i, &mut subiter) }; + let a = MessageItem::from_iter(&mut subiter); + if a.len() != 2 { panic!("D-Bus dict entry error"); } + let mut a = a.into_iter(); + let key = Box::new(a.next().unwrap()); + let value = Box::new(a.next().unwrap()); + Some(MessageItem::DictEntry(key, value)) + } + ffi::DBUS_TYPE_VARIANT => { + let mut subiter = new_dbus_message_iter(); + unsafe { ffi::dbus_message_iter_recurse(i, &mut subiter) }; + let a = MessageItem::from_iter(&mut subiter); + if a.len() != 1 { panic!("D-Bus variant error"); } + Some(MessageItem::Variant(Box::new(a.into_iter().next().unwrap()))) + } + ffi::DBUS_TYPE_ARRAY => { + let mut subiter = new_dbus_message_iter(); + unsafe { ffi::dbus_message_iter_recurse(i, &mut subiter) }; + let c = unsafe { ffi::dbus_message_iter_get_signature(&mut subiter) }; + let s = format!("a{}", c_str_to_slice(&(c as *const c_char)).unwrap()); + unsafe { ffi::dbus_free(c as *mut c_void) }; + let t = Signature::new(s).unwrap(); + + let a = MessageItem::from_iter(&mut subiter); + Some(MessageItem::Array(MessageItemArray { v: a, sig: t })) + }, + ffi::DBUS_TYPE_STRUCT => { + let mut subiter = new_dbus_message_iter(); + unsafe { ffi::dbus_message_iter_recurse(i, &mut subiter) }; + Some(MessageItem::Struct(MessageItem::from_iter(&mut subiter))) + }, + ffi::DBUS_TYPE_STRING => { + let mut c: *const c_char = ptr::null(); + unsafe { + let p: *mut c_void = mem::transmute(&mut c); + ffi::dbus_message_iter_get_basic(i, p); + }; + Some(MessageItem::Str(c_str_to_slice(&c).expect("D-Bus string error").to_string())) + }, + ffi::DBUS_TYPE_OBJECT_PATH => { + let mut c: *const c_char = ptr::null(); + unsafe { + let p: *mut c_void = mem::transmute(&mut c); + ffi::dbus_message_iter_get_basic(i, p); + }; + let o = Path::new(c_str_to_slice(&c).expect("D-Bus object path error")).ok().expect("D-Bus object path error"); + Some(MessageItem::ObjectPath(o)) + }, + ffi::DBUS_TYPE_UNIX_FD => Some(MessageItem::UnixFd(OwnedFd::new(iter_get_basic(i)))), + ffi::DBUS_TYPE_BOOLEAN => Some(MessageItem::Bool(iter_get_basic::<u32>(i) != 0)), + ffi::DBUS_TYPE_BYTE => Some(MessageItem::Byte(iter_get_basic(i))), + ffi::DBUS_TYPE_INT16 => Some(MessageItem::Int16(iter_get_basic(i))), + ffi::DBUS_TYPE_INT32 => Some(MessageItem::Int32(iter_get_basic(i))), + ffi::DBUS_TYPE_INT64 => Some(MessageItem::Int64(iter_get_basic(i))), + ffi::DBUS_TYPE_UINT16 => Some(MessageItem::UInt16(iter_get_basic(i))), + ffi::DBUS_TYPE_UINT32 => Some(MessageItem::UInt32(iter_get_basic(i))), + ffi::DBUS_TYPE_UINT64 => Some(MessageItem::UInt64(iter_get_basic(i))), + ffi::DBUS_TYPE_DOUBLE => Some(MessageItem::Double(iter_get_basic(i))), + _ => { None /* Only the new msgarg module supports signatures */ } + } + } + + fn from_iter(i: &mut ffi::DBusMessageIter) -> Vec<MessageItem> { + let mut v = Vec::new(); + while let Some(m) = Self::from_iter_single(i) { + v.push(m); + unsafe { ffi::dbus_message_iter_next(i) }; + } + v + } + + fn iter_append_basic<T>(&self, i: &mut ffi::DBusMessageIter, v: T) { + let t = self.array_type() as c_int; + let p = &v as *const _ as *const c_void; + unsafe { + ffi::dbus_message_iter_append_basic(i, t, p); + } + } + + fn iter_append(&self, i: &mut ffi::DBusMessageIter) { + match self { + &MessageItem::Str(ref s) => unsafe { + let c = to_c_str(s); + let p = mem::transmute(&c); + ffi::dbus_message_iter_append_basic(i, ffi::DBUS_TYPE_STRING, p); + }, + &MessageItem::Bool(b) => self.iter_append_basic(i, if b { 1u32 } else { 0u32 }), + &MessageItem::Byte(b) => self.iter_append_basic(i, b), + &MessageItem::Int16(b) => self.iter_append_basic(i, b), + &MessageItem::Int32(b) => self.iter_append_basic(i, b), + &MessageItem::Int64(b) => self.iter_append_basic(i, b), + &MessageItem::UInt16(b) => self.iter_append_basic(i, b), + &MessageItem::UInt32(b) => self.iter_append_basic(i, b), + &MessageItem::UInt64(b) => self.iter_append_basic(i, b), + &MessageItem::UnixFd(ref b) => self.iter_append_basic(i, b.as_raw_fd()), + &MessageItem::Double(b) => self.iter_append_basic(i, b), + &MessageItem::Array(ref a) => iter_append_array(i, &a.v, a.element_signature()), + &MessageItem::Struct(ref v) => iter_append_struct(i, &**v), + &MessageItem::Variant(ref b) => iter_append_variant(i, &**b), + &MessageItem::DictEntry(ref k, ref v) => iter_append_dict(i, &**k, &**v), + &MessageItem::ObjectPath(ref s) => unsafe { + let c: *const libc::c_char = s.as_ref().as_ptr(); + let p = mem::transmute(&c); + ffi::dbus_message_iter_append_basic(i, ffi::DBUS_TYPE_OBJECT_PATH, p); + } + } + } + + fn copy_to_iter(i: &mut ffi::DBusMessageIter, v: &[MessageItem]) { + for item in v.iter() { + item.iter_append(i); + } + } + + /// Conveniently get the inner value of a `MessageItem` + /// + /// # Example + /// ``` + /// use dbus::MessageItem; + /// let m: MessageItem = 5i64.into(); + /// let s: i64 = m.inner().unwrap(); + /// assert_eq!(s, 5i64); + /// ``` + pub fn inner<'a, T: FromMessageItem<'a>>(&'a self) -> Result<T, ()> { + T::from(self) + } +} + + +// For use by the msgarg module +pub fn append_messageitem(i: &mut ffi::DBusMessageIter, m: &MessageItem) { + m.iter_append(i) +} + +// For use by the msgarg module +pub fn get_messageitem(i: &mut ffi::DBusMessageIter) -> Option<MessageItem> { + MessageItem::from_iter_single(i) +} + + +macro_rules! msgitem_convert { + ($t: ty, $s: ident) => { + impl From<$t> for MessageItem { fn from(i: $t) -> MessageItem { MessageItem::$s(i) } } + + impl<'a> FromMessageItem<'a> for $t { + fn from(i: &'a MessageItem) -> Result<$t,()> { + if let &MessageItem::$s(ref b) = i { Ok(*b) } else { Err(()) } + } + } + } +} + +msgitem_convert!(u8, Byte); +msgitem_convert!(u64, UInt64); +msgitem_convert!(u32, UInt32); +msgitem_convert!(u16, UInt16); +msgitem_convert!(i16, Int16); +msgitem_convert!(i32, Int32); +msgitem_convert!(i64, Int64); +msgitem_convert!(f64, Double); +msgitem_convert!(bool, Bool); + + +/// Create a `MessageItem::Array`. +impl<'a, T> From<&'a [T]> for MessageItem +where T: Into<MessageItem> + Clone + Default { + fn from(i: &'a [T]) -> MessageItem { + MessageItem::new_array3(i.iter()) + } +} + +impl<'a> From<&'a str> for MessageItem { fn from(i: &str) -> MessageItem { MessageItem::Str(i.to_string()) } } + +impl From<String> for MessageItem { fn from(i: String) -> MessageItem { MessageItem::Str(i) } } + +impl From<Path<'static>> for MessageItem { fn from(i: Path<'static>) -> MessageItem { MessageItem::ObjectPath(i) } } + +impl From<OwnedFd> for MessageItem { fn from(i: OwnedFd) -> MessageItem { MessageItem::UnixFd(i) } } + +/// Create a `MessageItem::Variant` +impl From<Box<MessageItem>> for MessageItem { + fn from(i: Box<MessageItem>) -> MessageItem { MessageItem::Variant(i) } +} + +/// Create a `MessageItem::DictEntry` +impl From<(MessageItem, MessageItem)> for MessageItem { + fn from(i: (MessageItem, MessageItem)) -> MessageItem { + MessageItem::DictEntry(Box::new(i.0), Box::new(i.1)) + } +} + +/// Helper trait for `MessageItem::inner()` +pub trait FromMessageItem<'a> :Sized { + /// Allows converting from a MessageItem into the type it contains. + fn from(i: &'a MessageItem) -> Result<Self, ()>; +} + +impl<'a> FromMessageItem<'a> for &'a str { + fn from(i: &'a MessageItem) -> Result<&'a str,()> { + match i { + &MessageItem::Str(ref b) => Ok(&b), + &MessageItem::ObjectPath(ref b) => Ok(&b), + _ => Err(()), + } + } +} + +impl<'a> FromMessageItem<'a> for &'a String { + fn from(i: &'a MessageItem) -> Result<&'a String,()> { if let &MessageItem::Str(ref b) = i { Ok(&b) } else { Err(()) } } +} + +impl<'a> FromMessageItem<'a> for &'a Path<'static> { + fn from(i: &'a MessageItem) -> Result<&'a Path<'static>,()> { if let &MessageItem::ObjectPath(ref b) = i { Ok(&b) } else { Err(()) } } +} + +impl<'a> FromMessageItem<'a> for &'a MessageItem { + fn from(i: &'a MessageItem) -> Result<&'a MessageItem,()> { if let &MessageItem::Variant(ref b) = i { Ok(&**b) } else { Err(()) } } +} + +impl<'a> FromMessageItem<'a> for &'a Vec<MessageItem> { + fn from(i: &'a MessageItem) -> Result<&'a Vec<MessageItem>,()> { + match i { + &MessageItem::Array(ref b) => Ok(&b.v), + &MessageItem::Struct(ref b) => Ok(&b), + _ => Err(()), + } + } +} + +impl<'a> FromMessageItem<'a> for &'a [MessageItem] { + fn from(i: &'a MessageItem) -> Result<&'a [MessageItem],()> { i.inner::<&Vec<MessageItem>>().map(|s| &**s) } +} + +impl<'a> FromMessageItem<'a> for &'a OwnedFd { + fn from(i: &'a MessageItem) -> Result<&'a OwnedFd,()> { if let &MessageItem::UnixFd(ref b) = i { Ok(b) } else { Err(()) } } +} + +impl<'a> FromMessageItem<'a> for (&'a MessageItem, &'a MessageItem) { + fn from(i: &'a MessageItem) -> Result<(&'a MessageItem, &'a MessageItem),()> { + if let &MessageItem::DictEntry(ref k, ref v) = i { Ok((&**k, &**v)) } else { Err(()) } + } +} + + +/// A D-Bus message. A message contains some headers (e g sender and destination address) +/// and a list of MessageItems. +pub struct Message { + msg: *mut ffi::DBusMessage, +} + +unsafe impl Send for Message {} + +impl Message { + /// Creates a new method call message. + pub fn new_method_call<'d, 'p, 'i, 'm, D, P, I, M>(destination: D, path: P, iface: I, method: M) -> Result<Message, String> + where D: Into<BusName<'d>>, P: Into<Path<'p>>, I: Into<Interface<'i>>, M: Into<Member<'m>> { + init_dbus(); + let (d, p, i, m) = (destination.into(), path.into(), iface.into(), method.into()); + let ptr = unsafe { + ffi::dbus_message_new_method_call(d.as_ref().as_ptr(), p.as_ref().as_ptr(), i.as_ref().as_ptr(), m.as_ref().as_ptr()) + }; + if ptr == ptr::null_mut() { Err("D-Bus error: dbus_message_new_method_call failed".into()) } + else { Ok(Message { msg: ptr}) } + } + + /// Creates a new method call message. + pub fn method_call(destination: &BusName, path: &Path, iface: &Interface, name: &Member) -> Message { + init_dbus(); + let ptr = unsafe { + ffi::dbus_message_new_method_call(destination.as_ref().as_ptr(), path.as_ref().as_ptr(), + iface.as_ref().as_ptr(), name.as_ref().as_ptr()) + }; + if ptr == ptr::null_mut() { panic!("D-Bus error: dbus_message_new_signal failed") } + Message { msg: ptr} + } + + /// Creates a new signal message. + pub fn new_signal<P, I, M>(path: P, iface: I, name: M) -> Result<Message, String> + where P: Into<Vec<u8>>, I: Into<Vec<u8>>, M: Into<Vec<u8>> { + init_dbus(); + + let p = try!(Path::new(path)); + let i = try!(Interface::new(iface)); + let m = try!(Member::new(name)); + + let ptr = unsafe { + ffi::dbus_message_new_signal(p.as_ref().as_ptr(), i.as_ref().as_ptr(), m.as_ref().as_ptr()) + }; + if ptr == ptr::null_mut() { Err("D-Bus error: dbus_message_new_signal failed".into()) } + else { Ok(Message { msg: ptr}) } + } + + /// Creates a new signal message. + pub fn signal(path: &Path, iface: &Interface, name: &Member) -> Message { + init_dbus(); + let ptr = unsafe { + ffi::dbus_message_new_signal(path.as_ref().as_ptr(), iface.as_ref().as_ptr(), name.as_ref().as_ptr()) + }; + if ptr == ptr::null_mut() { panic!("D-Bus error: dbus_message_new_signal failed") } + Message { msg: ptr} + } + + /// Creates a method reply for this method call. + pub fn new_method_return(m: &Message) -> Option<Message> { + let ptr = unsafe { ffi::dbus_message_new_method_return(m.msg) }; + if ptr == ptr::null_mut() { None } else { Some(Message { msg: ptr} ) } + } + + /// Creates a method return (reply) for this method call. + pub fn method_return(&self) -> Message { + let ptr = unsafe { ffi::dbus_message_new_method_return(self.msg) }; + if ptr == ptr::null_mut() { panic!("D-Bus error: dbus_message_new_method_return failed") } + Message {msg: ptr} + } + + /// The old way to create a new error reply + pub fn new_error(m: &Message, error_name: &str, error_message: &str) -> Option<Message> { + let (en, em) = (to_c_str(error_name), to_c_str(error_message)); + let ptr = unsafe { ffi::dbus_message_new_error(m.msg, en.as_ptr(), em.as_ptr()) }; + if ptr == ptr::null_mut() { None } else { Some(Message { msg: ptr} ) } + } + + /// Creates a new error reply + pub fn error(&self, error_name: &ErrorName, error_message: &CStr) -> Message { + let ptr = unsafe { ffi::dbus_message_new_error(self.msg, error_name.as_ref().as_ptr(), error_message.as_ptr()) }; + if ptr == ptr::null_mut() { panic!("D-Bus error: dbus_message_new_error failed") } + Message { msg: ptr} + } + + /// Get the MessageItems that make up the message. + /// + /// Note: use `iter_init` or `get1`/`get2`/etc instead for faster access to the arguments. + /// This method is provided for backwards compatibility. + pub fn get_items(&self) -> Vec<MessageItem> { + let mut i = new_dbus_message_iter(); + match unsafe { ffi::dbus_message_iter_init(self.msg, &mut i) } { + 0 => Vec::new(), + _ => MessageItem::from_iter(&mut i) + } + } + + /// Get the D-Bus serial of a message, if one was specified. + pub fn get_serial(&self) -> u32 { + unsafe { ffi::dbus_message_get_serial(self.msg) } + } + + /// Get the serial of the message this message is a reply to, if present. + pub fn get_reply_serial(&self) -> Option<u32> { + let s = unsafe { ffi::dbus_message_get_reply_serial(self.msg) }; + if s == 0 { None } else { Some(s) } + } + + /// Returns true if the message does not expect a reply. + pub fn get_no_reply(&self) -> bool { unsafe { ffi::dbus_message_get_no_reply(self.msg) != 0 } } + + /// Set whether or not the message expects a reply. + /// + /// Set to true if you send a method call and do not want a reply. + pub fn set_no_reply(&self, v: bool) { + unsafe { ffi::dbus_message_set_no_reply(self.msg, if v { 1 } else { 0 }) } + } + + /// Returns true if the message can cause a service to be auto-started. + pub fn get_auto_start(&self) -> bool { unsafe { ffi::dbus_message_get_auto_start(self.msg) != 0 } } + + /// Sets whether or not the message can cause a service to be auto-started. + /// + /// Defaults to true. + pub fn set_auto_start(&self, v: bool) { + unsafe { ffi::dbus_message_set_auto_start(self.msg, if v { 1 } else { 0 }) } + } + + /// Add one or more MessageItems to this Message. + /// + /// Note: using `append1`, `append2` or `append3` might be faster, especially for large arrays. + /// This method is provided for backwards compatibility. + pub fn append_items(&mut self, v: &[MessageItem]) { + let mut i = new_dbus_message_iter(); + unsafe { ffi::dbus_message_iter_init_append(self.msg, &mut i) }; + MessageItem::copy_to_iter(&mut i, v); + } + + /// Appends one MessageItem to a message. + /// Use in builder style: e g `m.method_return().append(7i32)` + /// + /// Note: using `append1`, `append2` or `append3` might be faster, especially for large arrays. + /// This method is provided for backwards compatibility. + pub fn append<I: Into<MessageItem>>(self, v: I) -> Self { + let mut i = new_dbus_message_iter(); + unsafe { ffi::dbus_message_iter_init_append(self.msg, &mut i) }; + MessageItem::copy_to_iter(&mut i, &[v.into()]); + self + } + + /// Appends one argument to this message. + /// Use in builder style: e g `m.method_return().append1(7i32)` + pub fn append1<A: Append>(mut self, a: A) -> Self { + { + let mut m = IterAppend::new(&mut self); + m.append(a); + } + self + } + + /// Appends two arguments to this message. + /// Use in builder style: e g `m.method_return().append2(7i32, 6u8)` + pub fn append2<A1: Append, A2: Append>(mut self, a1: A1, a2: A2) -> Self { + { + let mut m = IterAppend::new(&mut self); + m.append(a1); m.append(a2); + } + self + } + + /// Appends three arguments to this message. + /// Use in builder style: e g `m.method_return().append3(7i32, 6u8, true)` + pub fn append3<A1: Append, A2: Append, A3: Append>(mut self, a1: A1, a2: A2, a3: A3) -> Self { + { + let mut m = IterAppend::new(&mut self); + m.append(a1); m.append(a2); m.append(a3); + } + self + } + + /// Appends RefArgs to this message. + /// Use in builder style: e g `m.method_return().append_ref(&[7i32, 6u8, true])` + pub fn append_ref<A: RefArg>(mut self, r: &[A]) -> Self { + { + let mut m = IterAppend::new(&mut self); + for rr in r { + rr.append(&mut m); + } + } + self + } + + /// Gets the first argument from the message, if that argument is of type G1. + /// Returns None if there are not enough arguments, or if types don't match. + pub fn get1<'a, G1: Get<'a>>(&'a self) -> Option<G1> { + let mut i = Iter::new(&self); + i.get() + } + + /// Gets the first two arguments from the message, if those arguments are of type G1 and G2. + /// Returns None if there are not enough arguments, or if types don't match. + pub fn get2<'a, G1: Get<'a>, G2: Get<'a>>(&'a self) -> (Option<G1>, Option<G2>) { + let mut i = Iter::new(&self); + let g1 = i.get(); + if !i.next() { return (g1, None); } + (g1, i.get()) + } + + /// Gets the first three arguments from the message, if those arguments are of type G1, G2 and G3. + /// Returns None if there are not enough arguments, or if types don't match. + pub fn get3<'a, G1: Get<'a>, G2: Get<'a>, G3: Get<'a>>(&'a self) -> (Option<G1>, Option<G2>, Option<G3>) { + let mut i = Iter::new(&self); + let g1 = i.get(); + if !i.next() { return (g1, None, None) } + let g2 = i.get(); + if !i.next() { return (g1, g2, None) } + (g1, g2, i.get()) + } + + /// Gets the first four arguments from the message, if those arguments are of type G1, G2, G3 and G4. + /// Returns None if there are not enough arguments, or if types don't match. + pub fn get4<'a, G1: Get<'a>, G2: Get<'a>, G3: Get<'a>, G4: Get<'a>>(&'a self) -> (Option<G1>, Option<G2>, Option<G3>, Option<G4>) { + let mut i = Iter::new(&self); + let g1 = i.get(); + if !i.next() { return (g1, None, None, None) } + let g2 = i.get(); + if !i.next() { return (g1, g2, None, None) } + let g3 = i.get(); + if !i.next() { return (g1, g2, g3, None) } + (g1, g2, g3, i.get()) + } + + /// Gets the first five arguments from the message, if those arguments are of type G1, G2, G3 and G4. + /// Returns None if there are not enough arguments, or if types don't match. + /// Note: If you need more than five arguments, use `iter_init` instead. + pub fn get5<'a, G1: Get<'a>, G2: Get<'a>, G3: Get<'a>, G4: Get<'a>, G5: Get<'a>>(&'a self) -> (Option<G1>, Option<G2>, Option<G3>, Option<G4>, Option<G5>) { + let mut i = Iter::new(&self); + let g1 = i.get(); + if !i.next() { return (g1, None, None, None, None) } + let g2 = i.get(); + if !i.next() { return (g1, g2, None, None, None) } + let g3 = i.get(); + if !i.next() { return (g1, g2, g3, None, None) } + let g4 = i.get(); + if !i.next() { return (g1, g2, g3, g4, None) } + (g1, g2, g3, g4, i.get()) + } + + /// Gets the first argument from the message, if that argument is of type G1. + /// + /// Returns a TypeMismatchError if there are not enough arguments, or if types don't match. + pub fn read1<'a, G1: Arg + Get<'a>>(&'a self) -> Result<G1, TypeMismatchError> { + let mut i = Iter::new(&self); + i.read() + } + + /// Gets the first two arguments from the message, if those arguments are of type G1 and G2. + /// + /// Returns a TypeMismatchError if there are not enough arguments, or if types don't match. + pub fn read2<'a, G1: Arg + Get<'a>, G2: Arg + Get<'a>>(&'a self) -> Result<(G1, G2), TypeMismatchError> { + let mut i = Iter::new(&self); + Ok((try!(i.read()), try!(i.read()))) + } + + /// Gets the first three arguments from the message, if those arguments are of type G1, G2 and G3. + /// + /// Returns a TypeMismatchError if there are not enough arguments, or if types don't match. + pub fn read3<'a, G1: Arg + Get<'a>, G2: Arg + Get<'a>, G3: Arg + Get<'a>>(&'a self) -> + Result<(G1, G2, G3), TypeMismatchError> { + let mut i = Iter::new(&self); + Ok((try!(i.read()), try!(i.read()), try!(i.read()))) + } + + /// Gets the first four arguments from the message, if those arguments are of type G1, G2, G3 and G4. + /// + /// Returns a TypeMismatchError if there are not enough arguments, or if types don't match. + pub fn read4<'a, G1: Arg + Get<'a>, G2: Arg + Get<'a>, G3: Arg + Get<'a>, G4: Arg + Get<'a>>(&'a self) -> + Result<(G1, G2, G3, G4), TypeMismatchError> { + let mut i = Iter::new(&self); + Ok((try!(i.read()), try!(i.read()), try!(i.read()), try!(i.read()))) + } + + /// Gets the first five arguments from the message, if those arguments are of type G1, G2, G3, G4 and G5. + /// + /// Returns a TypeMismatchError if there are not enough arguments, or if types don't match. + /// Note: If you need more than five arguments, use `iter_init` instead. + pub fn read5<'a, G1: Arg + Get<'a>, G2: Arg + Get<'a>, G3: Arg + Get<'a>, G4: Arg + Get<'a>, G5: Arg + Get<'a>>(&'a self) -> + Result<(G1, G2, G3, G4, G5), TypeMismatchError> { + let mut i = Iter::new(&self); + Ok((try!(i.read()), try!(i.read()), try!(i.read()), try!(i.read()), try!(i.read()))) + } + + /// Returns a struct for retreiving the arguments from a message. Supersedes get_items(). + pub fn iter_init<'a>(&'a self) -> Iter<'a> { Iter::new(&self) } + + /// Gets the MessageType of the Message. + pub fn msg_type(&self) -> MessageType { + unsafe { mem::transmute(ffi::dbus_message_get_type(self.msg)) } + } + + fn msg_internal_str<'a>(&'a self, c: *const libc::c_char) -> Option<&'a [u8]> { + if c == ptr::null() { None } + else { Some( unsafe { CStr::from_ptr(c) }.to_bytes_with_nul()) } + } + + /// Gets the name of the connection that originated this message. + pub fn sender<'a>(&'a self) -> Option<BusName<'a>> { + self.msg_internal_str(unsafe { ffi::dbus_message_get_sender(self.msg) }) + .map(|s| unsafe { BusName::from_slice_unchecked(s) }) + } + + /// Returns a tuple of (Message type, Path, Interface, Member) of the current message. + pub fn headers(&self) -> (MessageType, Option<String>, Option<String>, Option<String>) { + let p = unsafe { ffi::dbus_message_get_path(self.msg) }; + let i = unsafe { ffi::dbus_message_get_interface(self.msg) }; + let m = unsafe { ffi::dbus_message_get_member(self.msg) }; + (self.msg_type(), + c_str_to_slice(&p).map(|s| s.to_string()), + c_str_to_slice(&i).map(|s| s.to_string()), + c_str_to_slice(&m).map(|s| s.to_string())) + } + + /// Gets the object path this Message is being sent to. + pub fn path<'a>(&'a self) -> Option<Path<'a>> { + self.msg_internal_str(unsafe { ffi::dbus_message_get_path(self.msg) }) + .map(|s| unsafe { Path::from_slice_unchecked(s) }) + } + + /// Gets the destination this Message is being sent to. + pub fn destination<'a>(&'a self) -> Option<BusName<'a>> { + self.msg_internal_str(unsafe { ffi::dbus_message_get_destination(self.msg) }) + .map(|s| unsafe { BusName::from_slice_unchecked(s) }) + } + + /// Sets the destination of this Message + /// + /// If dest is none, that means broadcast to all relevant destinations. + pub fn set_destination(&mut self, dest: Option<BusName>) { + let c_dest = dest.as_ref().map(|d| d.as_cstr().as_ptr()).unwrap_or(ptr::null()); + assert!(unsafe { ffi::dbus_message_set_destination(self.msg, c_dest) } != 0); + } + + /// Gets the interface this Message is being sent to. + pub fn interface<'a>(&'a self) -> Option<Interface<'a>> { + self.msg_internal_str(unsafe { ffi::dbus_message_get_interface(self.msg) }) + .map(|s| unsafe { Interface::from_slice_unchecked(s) }) + } + + /// Gets the interface member being called. + pub fn member<'a>(&'a self) -> Option<Member<'a>> { + self.msg_internal_str(unsafe { ffi::dbus_message_get_member(self.msg) }) + .map(|s| unsafe { Member::from_slice_unchecked(s) }) + } + + /// When the remote end returns an error, the message itself is + /// correct but its contents is an error. This method will + /// transform such an error to a D-Bus Error or otherwise return + /// the original message. + pub fn as_result(&mut self) -> Result<&mut Message, Error> { + self.set_error_from_msg().map(|_| self) + } + + pub (super) fn set_error_from_msg(&self) -> Result<(), Error> { + let mut e = Error::empty(); + if unsafe { ffi::dbus_set_error_from_message(e.get_mut(), self.msg) } != 0 { Err(e) } + else { Ok(()) } + } + + pub (crate) fn ptr(&self) -> *mut ffi::DBusMessage { self.msg } + + pub (crate) fn from_ptr(ptr: *mut ffi::DBusMessage, add_ref: bool) -> Message { + if add_ref { + unsafe { ffi::dbus_message_ref(ptr) }; + } + Message { msg: ptr } + } + +} + +impl Drop for Message { + fn drop(&mut self) { + unsafe { + ffi::dbus_message_unref(self.msg); + } + } +} + +impl fmt::Debug for Message { + fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> { + write!(f, "{:?}", self.headers()) + } +} + +/// A convenience struct that wraps connection, destination and path. +/// +/// Useful if you want to make many method calls to the same destination path. +#[derive(Clone, Debug)] +pub struct ConnPath<'a, C> { + /// Some way to access the connection, e g a &Connection or Rc<Connection> + pub conn: C, + /// Destination, i e what D-Bus service you're communicating with + pub dest: BusName<'a>, + /// Object path on the destination + pub path: Path<'a>, + /// Timeout in milliseconds for blocking method calls + pub timeout: i32, +} + +impl<'a, C: ::std::ops::Deref<Target=Connection>> ConnPath<'a, C> { + /// Make a D-Bus method call, where you can append arguments inside the closure. + pub fn method_call_with_args<F: FnOnce(&mut Message)>(&self, i: &Interface, m: &Member, f: F) -> Result<Message, Error> { + let mut msg = Message::method_call(&self.dest, &self.path, i, m); + f(&mut msg); + self.conn.send_with_reply_and_block(msg, self.timeout) + } + + /// Emit a D-Bus signal, where you can append arguments inside the closure. + pub fn signal_with_args<F: FnOnce(&mut Message)>(&self, i: &Interface, m: &Member, f: F) -> Result<u32, Error> { + let mut msg = Message::signal(&self.path, i, m); + f(&mut msg); + self.conn.send(msg).map_err(|_| Error::new_custom("org.freedesktop.DBus.Error.Failed", "Sending signal failed")) + } + + /// Emit a D-Bus signal, where the arguments are in a struct. + pub fn emit<S: SignalArgs>(&self, signal: &S) -> Result<u32, Error> { + let msg = signal.to_emit_message(&self.path); + self.conn.send(msg).map_err(|_| Error::new_custom("org.freedesktop.DBus.Error.Failed", "Sending signal failed")) + } +} + +// For purpose of testing the library only. +#[cfg(test)] +pub (crate) fn message_set_serial(m: &mut Message, s: u32) { + unsafe { ffi::dbus_message_set_serial(m.msg, s) }; +} + +#[cfg(test)] +mod test { + extern crate tempdir; + + use super::super::{Connection, Message, MessageType, BusType, MessageItem, OwnedFd, libc, Path, BusName}; + + #[test] + fn unix_fd() { + use std::io::prelude::*; + use std::io::SeekFrom; + use std::fs::OpenOptions; + use std::os::unix::io::AsRawFd; + + let c = Connection::get_private(BusType::Session).unwrap(); + c.register_object_path("/hello").unwrap(); + let mut m = Message::new_method_call(&c.unique_name(), "/hello", "com.example.hello", "Hello").unwrap(); + let tempdir = tempdir::TempDir::new("dbus-rs-test").unwrap(); + let mut filename = tempdir.path().to_path_buf(); + filename.push("test"); + println!("Creating file {:?}", filename); + let mut file = OpenOptions::new().create(true).read(true).write(true).open(&filename).unwrap(); + file.write_all(b"z").unwrap(); + file.seek(SeekFrom::Start(0)).unwrap(); + let ofd = OwnedFd::new(file.as_raw_fd()); + m.append_items(&[MessageItem::UnixFd(ofd.clone())]); + println!("Sending {:?}", m.get_items()); + c.send(m).unwrap(); + + loop { for n in c.incoming(1000) { + if n.msg_type() == MessageType::MethodCall { + let z: OwnedFd = n.read1().unwrap(); + println!("Got {:?}", z); + let mut q: libc::c_char = 100; + assert_eq!(1, unsafe { libc::read(z.as_raw_fd(), &mut q as *mut _ as *mut libc::c_void, 1) }); + assert_eq!(q, 'z' as libc::c_char); + return; + } else { + println!("Got {:?}", n); + } + }} + } + + #[test] + fn message_types() { + let c = Connection::get_private(BusType::Session).unwrap(); + c.register_object_path("/hello").unwrap(); + let mut m = Message::new_method_call(&c.unique_name(), "/hello", "com.example.hello", "Hello").unwrap(); + m.append_items(&[ + 2000u16.into(), + MessageItem::new_array(vec!(129u8.into())).unwrap(), + ["Hello", "world"][..].into(), + 987654321u64.into(), + (-1i32).into(), + format!("Hello world").into(), + (-3.14f64).into(), + MessageItem::Struct(vec!(256i16.into())), + Path::new("/some/path").unwrap().into(), + MessageItem::new_array(vec!((123543u32.into(), true.into()).into())).unwrap() + ]); + let sending = format!("{:?}", m.get_items()); + println!("Sending {}", sending); + c.send(m).unwrap(); + + loop { for n in c.incoming(1000) { + if n.msg_type() == MessageType::MethodCall { + let receiving = format!("{:?}", n.get_items()); + println!("Receiving {}", receiving); + assert_eq!(sending, receiving); + return; + } else { + println!("Got {:?}", n); + } + }} + } + + #[test] + fn dict_of_dicts() { + use std::collections::BTreeMap; + + let officeactions: BTreeMap<&'static str, MessageItem> = BTreeMap::new(); + let mut officethings = BTreeMap::new(); + officethings.insert("pencil", 2u16.into()); + officethings.insert("paper", 5u16.into()); + let mut homethings = BTreeMap::new(); + homethings.insert("apple", 11u16.into()); + let mut homeifaces = BTreeMap::new(); + homeifaces.insert("getThings", homethings); + let mut officeifaces = BTreeMap::new(); + officeifaces.insert("getThings", officethings); + officeifaces.insert("getActions", officeactions); + let mut paths = BTreeMap::new(); + paths.insert("/hello/office", officeifaces); + paths.insert("/hello/home", homeifaces); + + println!("Original treemap: {:?}", paths); + let m = MessageItem::new_array(paths.iter().map( + |(path, ifaces)| (MessageItem::ObjectPath(Path::new(*path).unwrap()), + MessageItem::new_array(ifaces.iter().map( + |(iface, props)| (iface.to_string().into(), + MessageItem::from_dict::<(),_>(props.iter().map( + |(name, value)| Ok((name.to_string(), value.clone())) + )).unwrap() + ).into() + ).collect()).unwrap() + ).into() + ).collect()).unwrap(); + println!("As MessageItem: {:?}", m); + assert_eq!(&*m.signature(), "a{oa{sa{sv}}}"); + + let c = Connection::get_private(BusType::Session).unwrap(); + c.register_object_path("/hello").unwrap(); + let mut msg = Message::new_method_call(&c.unique_name(), "/hello", "org.freedesktop.DBusObjectManager", "GetManagedObjects").unwrap(); + msg.append_items(&[m]); + let sending = format!("{:?}", msg.get_items()); + println!("Sending {}", sending); + c.send(msg).unwrap(); + + loop { for n in c.incoming(1000) { + if n.msg_type() == MessageType::MethodCall { + let receiving = format!("{:?}", n.get_items()); + println!("Receiving {}", receiving); + assert_eq!(sending, receiving); + return; + } else { + println!("Got {:?}", n); + } + } } + } + + #[test] + fn issue24() { + let c = Connection::get_private(BusType::Session).unwrap(); + let mut m = Message::new_method_call("org.test.rust", "/", "org.test.rust", "Test").unwrap(); + + let a = MessageItem::from("test".to_string()); + let b = MessageItem::from("test".to_string()); + let foo = MessageItem::Struct(vec!(a, b)); + let bar = foo.clone(); + + let args = [MessageItem::new_array(vec!(foo, bar)).unwrap()]; + println!("{:?}", args); + + m.append_items(&args); + c.send(m).unwrap(); + } + + #[test] + fn set_valid_destination() { + let mut m = Message::new_method_call("org.test.rust", "/", "org.test.rust", "Test").unwrap(); + let d = Some(BusName::new(":1.14").unwrap()); + m.set_destination(d); + + assert!(!m.get_no_reply()); + m.set_no_reply(true); + assert!(m.get_no_reply()); + } +} |