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57 lines
2.2 KiB
Rust
57 lines
2.2 KiB
Rust
// Copyright 2023 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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use thiserror::Error;
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/// Library error type.
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#[non_exhaustive]
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#[derive(Error, Debug)]
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pub enum BluetoothError {
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/// Reported when Bluetooth device pairing fails.
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#[error("pairing error: {0}")]
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PairingFailed(String),
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/// Indicates that the operation was rejected because the system is not in
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/// a state required for the operation's execution.
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/// E.g. The user calls `stop_scan()` or polls the advertisement stream
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#[error("failed precondition: {0}")]
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FailedPrecondition(String),
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/// Reported when the user calls an operation that is supported by their
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/// Operating System, but is not supported by their device.
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/// E.g. a Windows machine with an old BT Classic adapter that
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/// doesn't support BLE).
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#[error("bluetooth operation not supported by system: {0}")]
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NotSupported(String),
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/// Wrapper around OS-level errors, e.g. `windows::core::Error` for Windows.
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/// These typically mean something is very wrong with the system (e.g. OOM).
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#[error("bluetooth system-level error: {0}")]
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System(String),
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/// Reported when a bug occurs inside the library. Whenever a seemingly
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/// impossible error condition arises where you could call `expect()`,
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/// return this error instead.
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#[error("internal error: {0}")]
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Internal(String),
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}
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/// Abstraction around platform-specific pairing status enums.
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/// `PairingResult::Failure` should eventually be converted to
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/// `BluetoothError::PairingFailed`.
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#[non_exhaustive]
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#[derive(Debug)]
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pub enum PairingResult {
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Success,
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AlreadyPaired,
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AlreadyInProgress,
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Failure(String),
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}
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