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use std::ffi::{CStr, c_void};
use std::os::raw::c_char;
use mullvad_api::{
ApiProxy, RelayListProxy,
rest::{self, MullvadRestHandle},
};
use mullvad_types::access_method::AccessMethodSetting;
use super::{
SwiftApiContext,
cancellation::{RequestCancelHandle, SwiftCancelHandle},
completion::{CompletionCookie, SwiftCompletionHandler},
do_request,
response::SwiftMullvadApiResponse,
retry_request,
retry_strategy::{RetryStrategy, SwiftRetryStrategy},
};
/// # Safety
///
/// `api_context` must be pointing to a valid instance of `SwiftApiContext`. A `SwiftApiContext` is created
/// by calling `mullvad_api_init_new`.
///
/// This function takes ownership of `completion_cookie`, which must be pointing to a valid instance of Swift
/// object `MullvadApiCompletion`. The pointer will be freed by calling `mullvad_api_completion_finish`
/// when completion finishes (in completion.finish).
///
/// `retry_strategy` must have been created by a call to either of the following functions
/// `mullvad_api_retry_strategy_never`, `mullvad_api_retry_strategy_constant` or `mullvad_api_retry_strategy_exponential`
///
/// This function is not safe to call multiple times with the same `CompletionCookie`.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn mullvad_ios_get_addresses(
api_context: SwiftApiContext,
completion_cookie: *mut libc::c_void,
retry_strategy: SwiftRetryStrategy,
) -> SwiftCancelHandle {
let completion_handler =
SwiftCompletionHandler::new(unsafe { CompletionCookie::new(completion_cookie) });
let Ok(tokio_handle) = crate::mullvad_ios_runtime() else {
completion_handler.finish(SwiftMullvadApiResponse::no_tokio_runtime());
return SwiftCancelHandle::empty();
};
let api_context = api_context.rust_context();
// SAFETY: See notes for `into_rust`
let retry_strategy = unsafe { retry_strategy.into_rust() };
let completion = completion_handler.clone();
let task = tokio_handle.clone().spawn(async move {
match mullvad_ios_get_addresses_inner(api_context.rest_handle(), retry_strategy).await {
Ok(response) => completion.finish(response),
Err(err) => {
log::error!("{err:?}");
completion.finish(SwiftMullvadApiResponse::rest_error(err));
}
}
});
RequestCancelHandle::new(task, completion_handler.clone()).into_swift()
}
/// # Safety
///
/// `api_context` must be pointing to a valid instance of `SwiftApiContext`. A `SwiftApiContext` is created
/// by calling `mullvad_api_init_new`.
///
/// This function takes ownership of `completion_cookie`, which must be pointing to a valid instance of Swift
/// object `MullvadApiCompletion`. The pointer will be freed by calling `mullvad_api_completion_finish`
/// when completion finishes (in completion.finish).
///
/// `retry_strategy` must have been created by a call to either of the following functions
/// `mullvad_api_retry_strategy_never`, `mullvad_api_retry_strategy_constant` or `mullvad_api_retry_strategy_exponential`
///
/// This function is not safe to call multiple times with the same `CompletionCookie`.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn mullvad_ios_api_addrs_available(
api_context: SwiftApiContext,
completion_cookie: *mut libc::c_void,
retry_strategy: SwiftRetryStrategy,
access_method_setting: *const c_void,
) -> SwiftCancelHandle {
let completion_handler =
SwiftCompletionHandler::new(unsafe { CompletionCookie::new(completion_cookie) });
let Ok(tokio_handle) = crate::mullvad_ios_runtime() else {
completion_handler.finish(SwiftMullvadApiResponse::no_tokio_runtime());
return SwiftCancelHandle::empty();
};
let api_context = api_context.rust_context();
// SAFETY: See notes for `into_rust`
let retry_strategy = unsafe { retry_strategy.into_rust() };
let completion = completion_handler.clone();
// SAFETY: `access_method_setting` must be a raw pointer resulting from a call to `convert_builtin_access_method_setting`
let access_method_setting: AccessMethodSetting =
unsafe { *Box::from_raw(access_method_setting as *mut _) };
let task = tokio_handle.clone().spawn(async move {
match api_context
.access_mode_handler
.resolve(access_method_setting.clone())
.await
{
Ok(Some(resolved_connection_mode)) => {
let oneshot_client = api_context
.api_client
.mullvad_rest_handle(resolved_connection_mode.connection_mode.into_provider());
match mullvad_ios_api_addrs_available_inner(oneshot_client, retry_strategy).await {
Ok(_) => completion.finish(SwiftMullvadApiResponse::ok()),
Err(err) => {
log::error!("{err:?}");
completion.finish(SwiftMullvadApiResponse::rest_error(err));
}
}
}
Ok(None) => {
log::error!("Invalid access method configuration, {access_method_setting:?}");
completion.finish(SwiftMullvadApiResponse::access_method_error(
mullvad_api::access_mode::Error::Resolve {
access_method: access_method_setting.access_method,
},
));
}
Err(err) => {
log::error!("{err:?}");
completion.finish(SwiftMullvadApiResponse::access_method_error(err));
}
}
});
RequestCancelHandle::new(task, completion_handler.clone()).into_swift()
}
/// # Safety
///
/// `api_context` must be pointing to a valid instance of `SwiftApiContext`. A `SwiftApiContext` is created
/// by calling `mullvad_api_init_new`.
///
/// This function takes ownership of `completion_cookie`, which must be pointing to a valid instance of Swift
/// object `MullvadApiCompletion`. The pointer will be freed by calling `mullvad_api_completion_finish`
/// when completion finishes (in completion.finish).
///
/// `etag` must be a pointer to a null terminated string.
///
/// `retry_strategy` must have been created by a call to either of the following functions
/// `mullvad_api_retry_strategy_never`, `mullvad_api_retry_strategy_constant` or `mullvad_api_retry_strategy_exponential`
///
/// This function is not safe to call multiple times with the same `CompletionCookie`.
#[unsafe(no_mangle)]
pub unsafe extern "C" fn mullvad_ios_get_relays(
api_context: SwiftApiContext,
completion_cookie: *mut libc::c_void,
retry_strategy: SwiftRetryStrategy,
etag: *const c_char,
) -> SwiftCancelHandle {
let completion_handler =
SwiftCompletionHandler::new(unsafe { CompletionCookie::new(completion_cookie) });
let Ok(tokio_handle) = crate::mullvad_ios_runtime() else {
completion_handler.finish(SwiftMullvadApiResponse::no_tokio_runtime());
return SwiftCancelHandle::empty();
};
let api_context = api_context.rust_context();
// SAFETY: See notes for `into_rust`
let retry_strategy = unsafe { retry_strategy.into_rust() };
let mut maybe_etag: Option<String> = None;
if !etag.is_null() {
// SAFETY: See param documentation for `etag`.
let unwrapped_tag = unsafe { CStr::from_ptr(etag.cast()) }.to_str().unwrap();
maybe_etag = Some(String::from(unwrapped_tag));
}
let completion = completion_handler.clone();
let task = tokio_handle.clone().spawn(async move {
match mullvad_ios_get_relays_inner(api_context.rest_handle(), retry_strategy, maybe_etag)
.await
{
Ok(response) => completion.finish(response),
Err(err) => {
log::error!("{err:?}");
completion.finish(SwiftMullvadApiResponse::rest_error(err));
}
}
});
RequestCancelHandle::new(task, completion_handler.clone()).into_swift()
}
async fn mullvad_ios_get_addresses_inner(
rest_client: MullvadRestHandle,
retry_strategy: RetryStrategy,
) -> Result<SwiftMullvadApiResponse, rest::Error> {
let api = ApiProxy::new(rest_client);
let future_factory = || api.get_api_addrs_response();
do_request(retry_strategy, future_factory).await
}
async fn mullvad_ios_get_relays_inner(
rest_client: MullvadRestHandle,
retry_strategy: RetryStrategy,
etag: Option<String>,
) -> Result<SwiftMullvadApiResponse, rest::Error> {
let api = RelayListProxy::new(rest_client);
let future_factory = || api.relay_list_response(etag.clone());
do_request(retry_strategy, future_factory).await
}
async fn mullvad_ios_api_addrs_available_inner(
rest_client: MullvadRestHandle,
retry_strategy: RetryStrategy,
) -> Result<bool, rest::Error> {
let api = ApiProxy::new(rest_client);
let future_factory = || api.api_addrs_available();
retry_request(retry_strategy, future_factory).await
}
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