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-rw-r--r--third_party/rust/dbus/src/message.rs1152
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());
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-24 07:39:32 +0000