sync_socket_nacl.cc revision 1e9bf3e0803691d0a228da41fc608347b6db4340 
1// Copyright (c) 2012 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 "base/sync_socket.h"
6
7#include <errno.h>
8#include <limits.h>
9#include <stdio.h>
10#include <sys/types.h>
11
12#include "base/logging.h"
13
14namespace base {
15
16const SyncSocket::Handle SyncSocket::kInvalidHandle = -1;
17
18SyncSocket::SyncSocket() : handle_(kInvalidHandle) {
19}
20
21SyncSocket::~SyncSocket() {
22  Close();
23}
24
25// static
26bool SyncSocket::CreatePair(SyncSocket* socket_a, SyncSocket* socket_b) {
27  return false;
28}
29
30bool SyncSocket::Close() {
31  if (handle_ != kInvalidHandle) {
32    if (close(handle_) < 0)
33      DPLOG(ERROR) << "close";
34    handle_ = kInvalidHandle;
35  }
36  return true;
37}
38
39size_t SyncSocket::Send(const void* buffer, size_t length) {
40  const ssize_t bytes_written = write(handle_, buffer, length);
41  return bytes_written > 0 ? bytes_written : 0;
42}
43
44size_t SyncSocket::Receive(void* buffer, size_t length) {
45  const ssize_t bytes_read = read(handle_, buffer, length);
46  return bytes_read > 0 ? bytes_read : 0;
47}
48
49size_t SyncSocket::ReceiveWithTimeout(void* buffer, size_t length, TimeDelta) {
50  NOTIMPLEMENTED();
51  return 0;
52}
53
54size_t SyncSocket::Peek() {
55  NOTIMPLEMENTED();
56  return 0;
57}
58
59CancelableSyncSocket::CancelableSyncSocket() {
60}
61
62CancelableSyncSocket::CancelableSyncSocket(Handle handle)
63    : SyncSocket(handle) {
64}
65
66size_t CancelableSyncSocket::Send(const void* buffer, size_t length) {
67  return SyncSocket::Send(buffer, length);
68}
69
70bool CancelableSyncSocket::Shutdown() {
71  return SyncSocket::Close();
72}
73
74// static
75bool CancelableSyncSocket::CreatePair(CancelableSyncSocket* socket_a,
76                                      CancelableSyncSocket* socket_b) {
77  return SyncSocket::CreatePair(socket_a, socket_b);
78}
79
80}  // namespace base
81