1 // Copyright 2023 The Pigweed Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); you may not 4 // use this file except in compliance with the License. You may obtain a copy of 5 // the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 11 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 12 // License for the specific language governing permissions and limitations under 13 // the License. 14 15 #include "pw_bluetooth_sapphire/internal/host/att/error.h" 16 17 #include "pw_string/format.h" 18 19 #pragma clang diagnostic ignored "-Wswitch-enum" 20 21 namespace bt { 22 namespace { 23 ErrorToString(att::ErrorCode ecode)24constexpr const char* ErrorToString(att::ErrorCode ecode) { 25 switch (ecode) { 26 case att::ErrorCode::kInvalidHandle: 27 return "invalid handle"; 28 case att::ErrorCode::kReadNotPermitted: 29 return "read not permitted"; 30 case att::ErrorCode::kWriteNotPermitted: 31 return "write not permitted"; 32 case att::ErrorCode::kInvalidPDU: 33 return "invalid PDU"; 34 case att::ErrorCode::kInsufficientAuthentication: 35 return "insuff. authentication"; 36 case att::ErrorCode::kRequestNotSupported: 37 return "request not supported"; 38 case att::ErrorCode::kInvalidOffset: 39 return "invalid offset"; 40 case att::ErrorCode::kInsufficientAuthorization: 41 return "insuff. authorization"; 42 case att::ErrorCode::kPrepareQueueFull: 43 return "prepare queue full"; 44 case att::ErrorCode::kAttributeNotFound: 45 return "attribute not found"; 46 case att::ErrorCode::kAttributeNotLong: 47 return "attribute not long"; 48 case att::ErrorCode::kInsufficientEncryptionKeySize: 49 return "insuff. encryption key size"; 50 case att::ErrorCode::kInvalidAttributeValueLength: 51 return "invalid attribute value length"; 52 case att::ErrorCode::kUnlikelyError: 53 return "unlikely error"; 54 case att::ErrorCode::kInsufficientEncryption: 55 return "insuff. encryption"; 56 case att::ErrorCode::kUnsupportedGroupType: 57 return "unsupported group type"; 58 case att::ErrorCode::kInsufficientResources: 59 return "insuff. resources"; 60 default: 61 break; 62 } 63 64 return "(unknown)"; 65 } 66 67 } // namespace 68 ToString(att::ErrorCode ecode)69std::string ProtocolErrorTraits<att::ErrorCode>::ToString( 70 att::ErrorCode ecode) { 71 constexpr size_t out_size = 72 sizeof("invalid attribute value length (ATT 0x0d)"); 73 char out[out_size] = ""; 74 pw::StatusWithSize status = 75 pw::string::Format({out, sizeof(out)}, 76 "%s (ATT %#.2hhx)", 77 ErrorToString(ecode), 78 static_cast<unsigned char>(ecode)); 79 BT_DEBUG_ASSERT(status.ok()); 80 return out; 81 } 82 83 } // namespace bt 84