File: session_command.cc

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (51 lines) | stat: -rw-r--r-- 1,477 bytes parent folder | download | duplicates (6)
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
50
51
// Copyright 2006 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/390223051): Remove C-library calls to fix the errors.
#pragma allow_unsafe_libc_calls
#endif

#include <algorithm>
#include <limits>
#include <memory>

#include "base/containers/span.h"
#include "base/pickle.h"
#include "components/sessions/core/session_command.h"

namespace sessions {

SessionCommand::SessionCommand(id_type id, size_type size)
    : id_(id),
      contents_(size, 0) {
}

SessionCommand::SessionCommand(id_type id, const base::Pickle& pickle)
    : id_(id),
      contents_(pickle.size(), 0) {
  DCHECK(pickle.size() < std::numeric_limits<size_type>::max());
  memcpy(contents(), pickle.data(), pickle.size());
}

SessionCommand::size_type SessionCommand::GetSerializedSize() const {
  const size_type additional_overhead = sizeof(id_type);
  return std::min(size(),
                  static_cast<size_type>(std::numeric_limits<size_type>::max() -
                                         additional_overhead)) +
         additional_overhead;
}

bool SessionCommand::GetPayload(void* dest, size_t count) const {
  if (size() != count)
    return false;
  memcpy(dest, &(contents_[0]), count);
  return true;
}

base::Pickle SessionCommand::PayloadAsPickle() const {
  return base::Pickle::WithUnownedBuffer(base::as_byte_span(contents_));
}

}  // namespace sessions