Rename PepperP2PChannel to PepperTransportSocketAdaptor

remoting/protocol/pepper_transport_socket_adapter.cc

Index: remoting/protocol/pepper_transport_socket_adapter.cc
diff --git a/remoting/protocol/pepper_transport_socket_adapter.cc b/remoting/protocol/pepper_transport_socket_adapter.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d247e053bcfb0aeb1ccec4e1f1c05f427fee994f
--- /dev/null
+++ b/remoting/protocol/pepper_transport_socket_adapter.cc
@@ -0,0 +1,259 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "remoting/protocol/pepper_transport_socket_adapter.h"
+
+#include "base/logging.h"
+#include "net/base/io_buffer.h"
+#include "net/base/net_errors.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/cpp/dev/transport_dev.h"
+#include "ppapi/cpp/var.h"
+
+namespace remoting {
+namespace protocol {
+
+namespace {
+
+const char kTcpProtocol[] = "tcp";
+
+// Maps value returned by Recv() and Send() Pepper methods to net::Error.
+int PPErrorToNetError(int result) {
+  if (result > 0)
+    return result;
+
+  switch (result) {
+    case PP_OK:
+      return net::OK;
+    case PP_OK_COMPLETIONPENDING:
+      return net::ERR_IO_PENDING;
+    case PP_ERROR_NOTSUPPORTED:
+    case PP_ERROR_NOINTERFACE:
+      return net::ERR_NOT_IMPLEMENTED;
+    default:
+      return net::ERR_FAILED;
+  }
+}
+
+}  // namespace
+
+PepperTransportSocketAdapter::PepperTransportSocketAdapter(
+    pp::Instance* pp_instance,
+    const std::string& name,
+    Observer* observer)
+    : name_(name),
+      observer_(observer),
+      connected_(false),
+      get_address_pending_(false),
+      read_callback_(NULL),
+      write_callback_(NULL) {
+  callback_factory_.Initialize(this);
+  transport_.reset(new pp::Transport_Dev(
+      pp_instance, name_.c_str(), kTcpProtocol));
+}
+
+PepperTransportSocketAdapter::~PepperTransportSocketAdapter() {
+  observer_->OnChannelDeleted();
+}
+
+void PepperTransportSocketAdapter::AddRemoteCandidate(
+    const std::string& candidate) {
+  DCHECK(CalledOnValidThread());
+  transport_->ReceiveRemoteAddress(candidate);
+}
+
+int PepperTransportSocketAdapter::Read(net::IOBuffer* buf, int buf_len,
+                                       net::CompletionCallback* callback) {
+  DCHECK(CalledOnValidThread());
+  DCHECK(!read_callback_);
+  DCHECK(!read_buffer_);
+
+  int result = PPErrorToNetError(transport_->Recv(
+      buf->data(), buf_len,
+      callback_factory_.NewOptionalCallback(
+          &PepperTransportSocketAdapter::OnRead)));
+
+  if (result == net::ERR_IO_PENDING) {
+    read_callback_ = callback;
+    read_buffer_ = buf;
+  }
+
+  return result;
+}
+
+int PepperTransportSocketAdapter::Write(net::IOBuffer* buf, int buf_len,
+                                        net::CompletionCallback* callback) {
+  DCHECK(CalledOnValidThread());
+  DCHECK(!write_callback_);
+  DCHECK(!write_buffer_);
+
+  int result = PPErrorToNetError(transport_->Send(
+      buf->data(), buf_len,
+      callback_factory_.NewOptionalCallback(
+          &PepperTransportSocketAdapter::OnWrite)));
+
+  if (result == net::ERR_IO_PENDING) {
+    write_callback_ = callback;
+    write_buffer_ = buf;
+  }
+
+  return result;
+}
+
+bool PepperTransportSocketAdapter::SetReceiveBufferSize(int32 size) {
+  DCHECK(CalledOnValidThread());
+  // TODO(sergeyu): Implement this: crbug.com/91439.
+  NOTIMPLEMENTED();
+  return false;
+}
+
+bool PepperTransportSocketAdapter::SetSendBufferSize(int32 size) {
+  DCHECK(CalledOnValidThread());
+  // TODO(sergeyu): Implement this: crbug.com/91439.
+  NOTIMPLEMENTED();
+  return false;
+}
+
+int PepperTransportSocketAdapter::Connect(net::CompletionCallback* callback) {
+  connect_callback_ = callback;
+
+  // This will return false when GetNextAddress() returns an
+  // error. This helps to detect when the P2P Transport API is not
+  // supported.
+  int result = ProcessCandidates();
+  if (result != net::OK)
+    return result;
+
+  result = transport_->Connect(
+      callback_factory_.NewRequiredCallback(
+          &PepperTransportSocketAdapter::OnConnect));
+  DCHECK_EQ(result, PP_OK_COMPLETIONPENDING);
+
+  return net::ERR_IO_PENDING;
+}
+
+void PepperTransportSocketAdapter::Disconnect() {
+  NOTIMPLEMENTED();
+}
+
+bool PepperTransportSocketAdapter::IsConnected() const {
+  return connected_;
+}
+
+bool PepperTransportSocketAdapter::IsConnectedAndIdle() const {
+  NOTIMPLEMENTED();
+  return false;
+}
+
+int PepperTransportSocketAdapter::GetPeerAddress(
+    net::AddressList* address) const {
+  NOTIMPLEMENTED();
+  return net::ERR_FAILED;
+}
+
+int PepperTransportSocketAdapter::GetLocalAddress(
+    net::IPEndPoint* address) const {
+  NOTIMPLEMENTED();
+  return net::ERR_FAILED;
+}
+
+const net::BoundNetLog& PepperTransportSocketAdapter::NetLog() const {
+  return net_log_;
+}
+
+void PepperTransportSocketAdapter::SetSubresourceSpeculation() {
+  NOTIMPLEMENTED();
+}
+
+void PepperTransportSocketAdapter::SetOmniboxSpeculation() {
+  NOTIMPLEMENTED();
+}
+
+bool PepperTransportSocketAdapter::WasEverUsed() const {
+  NOTIMPLEMENTED();
+  return true;
+}
+
+bool PepperTransportSocketAdapter::UsingTCPFastOpen() const {
+  NOTIMPLEMENTED();
+  return true;
+}
+
+int64 PepperTransportSocketAdapter::NumBytesRead() const {
+  NOTIMPLEMENTED();
+  return 0;
+}
+
+base::TimeDelta PepperTransportSocketAdapter::GetConnectTimeMicros() const {
+  NOTIMPLEMENTED();
+  return base::TimeDelta();
+}
+
+
+int PepperTransportSocketAdapter::ProcessCandidates() {
+  DCHECK(CalledOnValidThread());
+  DCHECK(!get_address_pending_);
+
+  while (true) {
+    pp::Var address;
+    int result = transport_->GetNextAddress(
+        &address, callback_factory_.NewOptionalCallback(
+            &PepperTransportSocketAdapter::OnNextAddress));
+    if (result == PP_OK_COMPLETIONPENDING) {
+      get_address_pending_ = true;
+      break;
+    }
+
+    if (result == PP_OK) {
+      observer_->OnChannelNewLocalCandidate(address.AsString());
+    } else {
+      LOG(ERROR) << "GetNextAddress() returned an error " << result;
+      return PPErrorToNetError(result);
+    }
+  }
+  return net::OK;
+}
+
+void PepperTransportSocketAdapter::OnNextAddress(int32_t result) {
+  DCHECK(CalledOnValidThread());
+
+  get_address_pending_ = false;
+  ProcessCandidates();
+}
+
+void PepperTransportSocketAdapter::OnConnect(int result) {
+  DCHECK(connect_callback_);
+
+  if (result == PP_OK)
+    connected_ = true;
+
+  net::CompletionCallback* callback = connect_callback_;
+  connect_callback_ = NULL;
+  callback->Run(PPErrorToNetError(result));
+}
+
+void PepperTransportSocketAdapter::OnRead(int32_t result) {
+  DCHECK(CalledOnValidThread());
+  DCHECK(read_callback_);
+  DCHECK(read_buffer_);
+
+  net::CompletionCallback* callback = read_callback_;
+  read_callback_ = NULL;
+  read_buffer_ = NULL;
+  callback->Run(PPErrorToNetError(result));
+}
+
+void PepperTransportSocketAdapter::OnWrite(int32_t result) {
+  DCHECK(CalledOnValidThread());
+  DCHECK(write_callback_);
+  DCHECK(write_buffer_);
+
+  net::CompletionCallback* callback = write_callback_;
+  write_callback_ = NULL;
+  write_buffer_ = NULL;
+  callback->Run(PPErrorToNetError(result));
+}
+
+}  // namespace protocol
+}  // namespace remoting