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minimal get_next_event api

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dignifiedquire
2020-03-22 01:07:06 +01:00
parent 11fa60d690
commit 9b4c195872
6 changed files with 254 additions and 143 deletions
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234
deltachat-ffi/src/lib.rs
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@@ -464,10 +464,7 @@ pub unsafe extern "C" fn dc_is_configured(context: *mut dc_context_t) -> libc::c
#[no_mangle]
pub unsafe extern "C" fn dc_context_run(context: *mut dc_context_t) {
eprintln!("dc_context_run");
if context.is_null() {
eprintln!("ignoring careless call to dc_run()");
return;
}
let ffi_context = &*context;
@@ -475,81 +472,168 @@ pub unsafe extern "C" fn dc_context_run(context: *mut dc_context_t) {
with_inner_async!(ffi_context, ctx, { ctx.run() }).unwrap_or(())
}
#[no_mangle]
pub unsafe extern "C" fn dc_has_next_event(context: *mut dc_context_t) -> libc::c_int {
if context.is_null() {
return 0;
}
let ffi_context = &*context;
ffi_context
.with_inner(|ctx| ctx.has_next_event())
.unwrap_or_default() as libc::c_int
}
pub struct EventWrapper {
pub event_id: libc::c_int,
pub data1: uintptr_t,
pub data2: uintptr_t,
}
#[no_mangle]
pub type dc_event_t = EventWrapper;
#[no_mangle]
pub unsafe extern "C" fn dc_event_unref(a: *mut dc_event_t) {
if a.is_null() {
eprintln!("ignoring careless call to dc_event_unref()");
return;
}
Box::from_raw(a);
}
#[no_mangle]
pub unsafe extern "C" fn dc_event_get_id(event: *mut dc_event_t) -> libc::c_int {
if event.is_null() {
eprintln!("ignoring careless call to dc_event_get_id()");
return 0;
}
let event = &*event;
event.event_id
}
#[no_mangle]
pub unsafe extern "C" fn dc_event_get_data1(event: *mut dc_event_t) -> uintptr_t {
if event.is_null() {
eprintln!("ignoring careless call to dc_event_get_data1()");
return 0;
}
let event = &*event;
event.data1
}
#[no_mangle]
pub unsafe extern "C" fn dc_event_get_data2(event: *mut dc_event_t) -> uintptr_t {
if event.is_null() {
eprintln!("ignoring careless call to dc_event_get_data2()");
return 0;
}
let event = &*event;
event.data2
}
#[no_mangle]
pub unsafe extern "C" fn dc_get_next_event(context: *mut dc_context_t) -> *mut dc_event_t {
if context.is_null() {
return ptr::null_mut();
}
let ffi_context = &*context;
ffi_context
.with_inner(|ctx| match ctx.get_next_event() {
Ok(ev) => translate_event(ev),
Err(_) => ptr::null_mut(),
})
.unwrap_or_else(|_| ptr::null_mut())
}
/// Translates the callback from the rust style to the C-style version.
unsafe fn translate_cb(ctx: &ContextWrapper, ffi_cb: Option<dc_callback_t>, event: Event) {
if let Some(ffi_cb) = ffi_cb {
let event_id = event.as_id();
match event {
Event::Info(msg)
| Event::SmtpConnected(msg)
| Event::ImapConnected(msg)
| Event::SmtpMessageSent(msg)
| Event::ImapMessageDeleted(msg)
| Event::ImapMessageMoved(msg)
| Event::ImapFolderEmptied(msg)
| Event::NewBlobFile(msg)
| Event::DeletedBlobFile(msg)
| Event::Warning(msg)
| Event::Error(msg)
| Event::ErrorNetwork(msg)
| Event::ErrorSelfNotInGroup(msg) => {
let data2 = CString::new(msg).unwrap_or_default();
ffi_cb(ctx, event_id, 0, data2.as_ptr() as uintptr_t);
}
Event::MsgsChanged { chat_id, msg_id }
| Event::IncomingMsg { chat_id, msg_id }
| Event::MsgDelivered { chat_id, msg_id }
| Event::MsgFailed { chat_id, msg_id }
| Event::MsgRead { chat_id, msg_id } => {
ffi_cb(
ctx,
event_id,
chat_id.to_u32() as uintptr_t,
msg_id.to_u32() as uintptr_t,
);
}
Event::ChatModified(chat_id) => {
ffi_cb(ctx, event_id, chat_id.to_u32() as uintptr_t, 0);
}
Event::ContactsChanged(id) | Event::LocationChanged(id) => {
let id = id.unwrap_or_default();
ffi_cb(ctx, event_id, id as uintptr_t, 0);
}
Event::ConfigureProgress(progress) | Event::ImexProgress(progress) => {
ffi_cb(ctx, event_id, progress as uintptr_t, 0);
}
Event::ImexFileWritten(file) => {
let data1 = file.to_c_string().unwrap_or_default();
ffi_cb(ctx, event_id, data1.as_ptr() as uintptr_t, 0);
}
Event::SecurejoinInviterProgress {
contact_id,
progress,
}
| Event::SecurejoinJoinerProgress {
contact_id,
progress,
} => {
ffi_cb(
ctx,
event_id,
contact_id as uintptr_t,
progress as uintptr_t,
);
}
Event::SecurejoinMemberAdded {
chat_id,
contact_id,
} => {
ffi_cb(
ctx,
event_id,
chat_id.to_u32() as uintptr_t,
contact_id as uintptr_t,
);
unsafe fn translate_event(event: Event) -> *mut dc_event_t {
let event_id = event.as_id();
let wrapper = match event {
Event::Info(msg)
| Event::SmtpConnected(msg)
| Event::ImapConnected(msg)
| Event::SmtpMessageSent(msg)
| Event::ImapMessageDeleted(msg)
| Event::ImapMessageMoved(msg)
| Event::ImapFolderEmptied(msg)
| Event::NewBlobFile(msg)
| Event::DeletedBlobFile(msg)
| Event::Warning(msg)
| Event::Error(msg)
| Event::ErrorNetwork(msg)
| Event::ErrorSelfNotInGroup(msg) => {
let data2 = CString::new(msg).unwrap_or_default();
EventWrapper {
event_id,
data1: 0,
data2: data2.into_raw() as uintptr_t,
}
}
}
Event::MsgsChanged { chat_id, msg_id }
| Event::IncomingMsg { chat_id, msg_id }
| Event::MsgDelivered { chat_id, msg_id }
| Event::MsgFailed { chat_id, msg_id }
| Event::MsgRead { chat_id, msg_id } => EventWrapper {
event_id,
data1: chat_id.to_u32() as uintptr_t,
data2: msg_id.to_u32() as uintptr_t,
},
Event::ChatModified(chat_id) => EventWrapper {
event_id,
data1: chat_id.to_u32() as uintptr_t,
data2: 0,
},
Event::ContactsChanged(id) | Event::LocationChanged(id) => {
let id = id.unwrap_or_default();
EventWrapper {
event_id,
data1: id as uintptr_t,
data2: 0,
}
}
Event::ConfigureProgress(progress) | Event::ImexProgress(progress) => EventWrapper {
event_id,
data1: progress as uintptr_t,
data2: 0,
},
Event::ImexFileWritten(file) => {
let data1 = file.to_c_string().unwrap_or_default();
EventWrapper {
event_id,
data1: data1.into_raw() as uintptr_t,
data2: 0,
}
}
Event::SecurejoinInviterProgress {
contact_id,
progress,
}
| Event::SecurejoinJoinerProgress {
contact_id,
progress,
} => EventWrapper {
event_id,
data1: contact_id as uintptr_t,
data2: progress as uintptr_t,
},
Event::SecurejoinMemberAdded {
chat_id,
contact_id,
} => EventWrapper {
event_id,
data1: chat_id.to_u32() as uintptr_t,
data2: contact_id as uintptr_t,
},
};
Box::into_raw(Box::new(wrapper))
}
#[no_mangle]