xref: /aosp_15_r20/external/pigweed/pw_log_tokenized/public/pw_log_tokenized/handler.h (revision 61c4878ac05f98d0ceed94b57d316916de578985)
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 #pragma once
15 
16 #include <stddef.h>
17 #include <stdint.h>
18 
19 #include "pw_preprocessor/util.h"
20 
21 PW_EXTERN_C_START
22 
23 /// Function that is called for each log message. The metadata `uint32_t` can be
24 /// converted to a @cpp_type{pw::log_tokenized::Metadata}. The message is passed
25 /// as a pointer to a buffer and a size. The pointer is invalidated after this
26 /// function returns, so the buffer must be copied.
27 void pw_log_tokenized_HandleLog(uint32_t metadata,
28                                 const uint8_t encoded_message[],
29                                 size_t size_bytes);
30 
31 PW_EXTERN_C_END
32