blob: 997f6cf557617285a8c3104dd8e97fee80f0c6c0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
// Copyright 2020 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.
// This function serves as a backend for pw_tokenizer / pw_log_tokenized that
// encodes tokenized logs as Base64 and writes them using HDLC.
#include "pw_hdlc/encoder.h"
#include "pw_log_tokenized/base64.h"
#include "pw_log_tokenized/handler.h"
#include "pw_span/span.h"
#include "pw_stream/sys_io_stream.h"
#include "pw_string/string.h"
#include "pw_tokenizer/base64.h"
namespace pw::log_tokenized {
namespace {
inline constexpr int kBase64LogHdlcAddress = 1;
stream::SysIoWriter writer;
} // namespace
// Base64-encodes tokenized logs and writes them to pw::sys_io as HDLC frames.
extern "C" void pw_log_tokenized_HandleLog(
uint32_t, // TODO(hepler): Use the metadata for filtering.
const uint8_t log_buffer[],
size_t size_bytes) {
// Encode the tokenized message as Base64.
const pw::InlineBasicString base64_string =
PrefixedBase64Encode(log_buffer, size_bytes);
// HDLC-encode the Base64 string via a SysIoWriter.
hdlc::WriteUIFrame(
kBase64LogHdlcAddress, as_bytes(span(base64_string)), writer);
}
} // namespace pw::log_tokenized
|
