components/sessions/session_command.cc

   1 // Copyright 2006 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include <limits>
   6
   7 #include "base/pickle.h"
   8 #include "components/sessions/session_command.h"
   9
  10 namespace sessions {
  11
  12 SessionCommand::SessionCommand(id_type id, size_type size)
  13     : id_(id),
  14       contents_(size, 0) {
  15 }
  16
  17 SessionCommand::SessionCommand(id_type id, const Pickle& pickle)
  18     : id_(id),
  19       contents_(pickle.size(), 0) {
  20   DCHECK(pickle.size() < std::numeric_limits<size_type>::max());
  21   memcpy(contents(), pickle.data(), pickle.size());
  22 }
  23
  24 bool SessionCommand::GetPayload(void* dest, size_t count) const {
  25   if (size() != count)
  26     return false;
  27   memcpy(dest, &(contents_[0]), count);
  28   return true;
  29 }
  30
  31 Pickle* SessionCommand::PayloadAsPickle() const {
  32   return new Pickle(contents(), static_cast<int>(size()));
  33 }
  34
  35 }  // namespace sessions