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63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
// Copyright 2020 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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#ifndef CORE_STATUS_H_
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#define CORE_STATUS_H_
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#include <string>
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namespace nearby {
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namespace connections {
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// Protocol operation result: kSuccess, if operation was successful;
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// descriptive error code otherwise.
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struct Status {
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// Status is a struct, so it is possible to pass some context about failure,
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// by adding extra fields to it when necessary, and not change any of the
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// method signatures.
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enum Value {
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kSuccess,
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kError,
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kOutOfOrderApiCall,
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kAlreadyHaveActiveStrategy,
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kAlreadyAdvertising,
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kAlreadyDiscovering,
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kEndpointIoError,
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kEndpointUnknown,
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kConnectionRejected,
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kAlreadyConnectedToEndpoint,
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kNotConnectedToEndpoint,
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kBluetoothError,
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kBleError,
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kWifiLanError,
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kPayloadUnknown,
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};
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Value value{kError};
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bool Ok() const { return value == kSuccess; }
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// Converts the status to a logging-friendly string.
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std::string ToString() const;
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};
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inline bool operator==(const Status& a, const Status& b) {
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return a.value == b.value;
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}
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inline bool operator!=(const Status& a, const Status& b) { return !(a == b); }
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} // namespace connections
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} // namespace nearby
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#endif // CORE_STATUS_H_
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