xref: /aosp_15_r20/external/pigweed/pw_multisink/public/pw_multisink/util.h (revision 61c4878ac05f98d0ceed94b57d316916de578985)
1 // Copyright 2021 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 <limits>
17 
18 #include "pw_log/proto/log.pwpb.h"
19 #include "pw_multisink/multisink.h"
20 #include "pw_status/status.h"
21 
22 namespace pw::multisink {
23 
24 // Uses MultiSink's unsafe iteration to dump the contents as a series of log
25 // entries. max_num_entries can be used to limit the dump to the most recent
26 // entries. This can be used to dump proto-encoded logs to a
27 // pw.snapshot.Snapshot.
28 Status UnsafeDumpMultiSinkLogs(
29     MultiSink& sink,
30     pw::log::pwpb::LogEntries::StreamEncoder& encoder,
31     size_t max_num_entries = std::numeric_limits<size_t>::max());
32 
33 // Uses MultiSink's unsafe iteration to dump the contents as a series of log
34 // entries. max_size_bytes is the total size of the captured log entries. This
35 // can be used to dump proto-encoded logs to a pw.snapshot.Snapshot.
36 Status UnsafeDumpMultiSinkLogsFromEnd(
37     MultiSink& sink,
38     pw::log::pwpb::LogEntries::StreamEncoder& encoder,
39     size_t max_size_bytes);
40 
41 }  // namespace pw::multisink
42