| // Copyright 2023 The Pigweed Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| // use this file except in compliance with the License. You may obtain a copy of |
| // the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| // License for the specific language governing permissions and limitations under |
| // the License. |
| |
| #include "pw_bluetooth_sapphire/internal/host/sm/error.h" |
| |
| #include "pw_string/format.h" |
| |
| namespace bt { |
| namespace { |
| |
| constexpr const char* ErrorToString(sm::ErrorCode ecode) { |
| switch (ecode) { |
| case sm::ErrorCode::kPasskeyEntryFailed: |
| return "passkey entry failed"; |
| case sm::ErrorCode::kOOBNotAvailable: |
| return "OOB not available"; |
| case sm::ErrorCode::kAuthenticationRequirements: |
| return "authentication requirements"; |
| case sm::ErrorCode::kConfirmValueFailed: |
| return "confirm value failed"; |
| case sm::ErrorCode::kPairingNotSupported: |
| return "pairing not supported"; |
| case sm::ErrorCode::kEncryptionKeySize: |
| return "encryption key size"; |
| case sm::ErrorCode::kCommandNotSupported: |
| return "command not supported"; |
| case sm::ErrorCode::kUnspecifiedReason: |
| return "unspecified reason"; |
| case sm::ErrorCode::kRepeatedAttempts: |
| return "repeated attempts"; |
| case sm::ErrorCode::kInvalidParameters: |
| return "invalid parameters"; |
| case sm::ErrorCode::kDHKeyCheckFailed: |
| return "DHKey check failed"; |
| case sm::ErrorCode::kNumericComparisonFailed: |
| return "numeric comparison failed"; |
| case sm::ErrorCode::kBREDRPairingInProgress: |
| return "BR/EDR pairing in progress"; |
| case sm::ErrorCode::kCrossTransportKeyDerivationNotAllowed: |
| return "cross-transport key dist. not allowed"; |
| default: |
| break; |
| } |
| return "(unknown)"; |
| } |
| |
| constexpr size_t kMaxErrorStringSize = |
| std::string_view( |
| ErrorToString(sm::ErrorCode::kCrossTransportKeyDerivationNotAllowed)) |
| .size(); |
| |
| } // namespace |
| |
| // static |
| std::string ProtocolErrorTraits<sm::ErrorCode>::ToString(sm::ErrorCode ecode) { |
| const size_t out_size = kMaxErrorStringSize + sizeof(" (SMP 0x0e)"); |
| char out[out_size] = ""; |
| pw::StatusWithSize status = |
| pw::string::Format({out, sizeof(out)}, |
| "%s (SMP %#.2x)", |
| ErrorToString(ecode), |
| static_cast<unsigned int>(ecode)); |
| BT_DEBUG_ASSERT(status.ok()); |
| return out; |
| } |
| |
| } // namespace bt |