Expose the p2p client in content/public

content/renderer/p2p/socket_client.cc

 // 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 "content/renderer/p2p/socket_client.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "content/common/p2p_messages.h"
+#include "content/public/renderer/p2p_socket_client_delegate.h"
 #include "content/renderer/p2p/socket_dispatcher.h"
+#include "content/renderer/render_thread_impl.h"
 #include "crypto/random.h"
 
 namespace {
 
 uint64 GetUniqueId(uint32 random_socket_id, uint32 packet_id) {
   uint64 uid = random_socket_id;
   uid <<= 32;
   uid |= packet_id;
   return uid;
 }
 
 }  // namespace
 
 namespace content {
 
-P2PSocketClient::P2PSocketClient(P2PSocketDispatcher* dispatcher)
+P2PSocketClient* CreateP2PSocket() {
+  return new P2PSocketClientImpl(
+      RenderThreadImpl::current()->p2p_socket_dispatcher());
+}
+
+P2PSocketClientImpl::P2PSocketClientImpl(P2PSocketDispatcher* dispatcher)
     : dispatcher_(dispatcher),
       ipc_message_loop_(dispatcher->message_loop()),
       delegate_message_loop_(base::MessageLoopProxy::current()),
       socket_id_(0), delegate_(NULL),
       state_(STATE_UNINITIALIZED),
       random_socket_id_(0),
       next_packet_id_(0) {
   crypto::RandBytes(&random_socket_id_, sizeof(random_socket_id_));
 }
 
-P2PSocketClient::~P2PSocketClient() {
+P2PSocketClientImpl::~P2PSocketClientImpl() {
   CHECK(state_ == STATE_CLOSED || state_ == STATE_UNINITIALIZED);
 }
 
-void P2PSocketClient::Init(
+void P2PSocketClientImpl::Init(
     P2PSocketType type,
     const net::IPEndPoint& local_address,
     const net::IPEndPoint& remote_address,
-    P2PSocketClient::Delegate* delegate) {
+    P2PSocketClientDelegate* delegate) {
   DCHECK(delegate_message_loop_->BelongsToCurrentThread());
   // |delegate_| is only accessesed on |delegate_message_loop_|.
   delegate_ = delegate;
 
   ipc_message_loop_->PostTask(
-      FROM_HERE, base::Bind(&P2PSocketClient::DoInit, this, type, local_address,
+      FROM_HERE, base::Bind(&P2PSocketClientImpl::DoInit,
+                            this,
+                            type,
+                            local_address,
                             remote_address));
 }
 
-void P2PSocketClient::DoInit(P2PSocketType type,
-                             const net::IPEndPoint& local_address,
-                             const net::IPEndPoint& remote_address) {
+void P2PSocketClientImpl::DoInit(P2PSocketType type,
+                                 const net::IPEndPoint& local_address,
+                                 const net::IPEndPoint& remote_address) {
   DCHECK_EQ(state_, STATE_UNINITIALIZED);
   DCHECK(delegate_);
   state_ = STATE_OPENING;
   socket_id_ = dispatcher_->RegisterClient(this);
   dispatcher_->SendP2PMessage(new P2PHostMsg_CreateSocket(
       type, socket_id_, local_address, remote_address));
 }
 
-void P2PSocketClient::SendWithDscp(
+void P2PSocketClientImpl::SendWithDscp(
     const net::IPEndPoint& address,
     const std::vector<char>& data,
     net::DiffServCodePoint dscp) {
   if (!ipc_message_loop_->BelongsToCurrentThread()) {
     ipc_message_loop_->PostTask(
         FROM_HERE, base::Bind(
-            &P2PSocketClient::SendWithDscp, this, address, data, dscp));
+            &P2PSocketClientImpl::SendWithDscp, this, address, data, dscp));
     return;
   }
 
   // Can send data only when the socket is open.
   DCHECK(state_ == STATE_OPEN || state_ == STATE_ERROR);
   if (state_ == STATE_OPEN) {
     uint64 unique_id = GetUniqueId(random_socket_id_, ++next_packet_id_);
     TRACE_EVENT_ASYNC_BEGIN0("p2p", "Send", unique_id);
     dispatcher_->SendP2PMessage(new P2PHostMsg_Send(socket_id_, address, data,
                                                     dscp, unique_id));
   }
 }
 
-void P2PSocketClient::Send(const net::IPEndPoint& address,
+void P2PSocketClientImpl::Send(const net::IPEndPoint& address,
                            const std::vector<char>& data) {
   SendWithDscp(address, data, net::DSCP_DEFAULT);
 }
 
-void P2PSocketClient::Close() {
+void P2PSocketClientImpl::Close() {
   DCHECK(delegate_message_loop_->BelongsToCurrentThread());
 
   delegate_ = NULL;
 
   ipc_message_loop_->PostTask(
-      FROM_HERE, base::Bind(&P2PSocketClient::DoClose, this));
+      FROM_HERE, base::Bind(&P2PSocketClientImpl::DoClose, this));
 }
 
-void P2PSocketClient::DoClose() {
+void P2PSocketClientImpl::DoClose() {
   DCHECK(ipc_message_loop_->BelongsToCurrentThread());
   if (dispatcher_) {
     if (state_ == STATE_OPEN || state_ == STATE_OPENING ||
         state_ == STATE_ERROR) {
       dispatcher_->SendP2PMessage(new P2PHostMsg_DestroySocket(socket_id_));
     }
     dispatcher_->UnregisterClient(socket_id_);
   }
 
   state_ = STATE_CLOSED;
 }
 
-void P2PSocketClient::set_delegate(Delegate* delegate) {
+int P2PSocketClientImpl::GetSocketID() const {
+  return socket_id_;
+}
+
+void P2PSocketClientImpl::SetDelegate(P2PSocketClientDelegate* delegate) {
   DCHECK(delegate_message_loop_->BelongsToCurrentThread());
   delegate_ = delegate;
 }
 
-void P2PSocketClient::OnSocketCreated(const net::IPEndPoint& address) {
+void P2PSocketClientImpl::OnSocketCreated(const net::IPEndPoint& address) {
   DCHECK(ipc_message_loop_->BelongsToCurrentThread());
   DCHECK_EQ(state_, STATE_OPENING);
   state_ = STATE_OPEN;
 
   delegate_message_loop_->PostTask(
       FROM_HERE,
-      base::Bind(&P2PSocketClient::DeliverOnSocketCreated, this, address));
+      base::Bind(&P2PSocketClientImpl::DeliverOnSocketCreated, this, address));
 }
 
-void P2PSocketClient::DeliverOnSocketCreated(const net::IPEndPoint& address) {
+void P2PSocketClientImpl::DeliverOnSocketCreated(
+    const net::IPEndPoint& address) {
   DCHECK(delegate_message_loop_->BelongsToCurrentThread());
   if (delegate_)
     delegate_->OnOpen(address);
 }
 
-void P2PSocketClient::OnIncomingTcpConnection(const net::IPEndPoint& address) {
+void P2PSocketClientImpl::OnIncomingTcpConnection(
+    const net::IPEndPoint& address) {
   DCHECK(ipc_message_loop_->BelongsToCurrentThread());
   DCHECK_EQ(state_, STATE_OPEN);
 
-  scoped_refptr<P2PSocketClient> new_client = new P2PSocketClient(dispatcher_);
+  scoped_refptr<P2PSocketClientImpl> new_client =
+      new P2PSocketClientImpl(dispatcher_);
   new_client->socket_id_ = dispatcher_->RegisterClient(new_client.get());
   new_client->state_ = STATE_OPEN;
   new_client->delegate_message_loop_ = delegate_message_loop_;
 
   dispatcher_->SendP2PMessage(new P2PHostMsg_AcceptIncomingTcpConnection(
       socket_id_, address, new_client->socket_id_));
 
   delegate_message_loop_->PostTask(
-      FROM_HERE, base::Bind(&P2PSocketClient::DeliverOnIncomingTcpConnection,
-                            this, address, new_client));
+      FROM_HERE, base::Bind(
+          &P2PSocketClientImpl::DeliverOnIncomingTcpConnection,
+          this, address, new_client));
 }
 
-void P2PSocketClient::DeliverOnIncomingTcpConnection(
-    const net::IPEndPoint& address, scoped_refptr<P2PSocketClient> new_client) {
+void P2PSocketClientImpl::DeliverOnIncomingTcpConnection(
+    const net::IPEndPoint& address,
+    scoped_refptr<P2PSocketClient> new_client) {
   DCHECK(delegate_message_loop_->BelongsToCurrentThread());
   if (delegate_) {
     delegate_->OnIncomingTcpConnection(address, new_client.get());
   } else {
     // Just close the socket if there is no delegate to accept it.
     new_client->Close();
   }
 }
 
-void P2PSocketClient::OnSendComplete() {
+void P2PSocketClientImpl::OnSendComplete() {
   DCHECK(ipc_message_loop_->BelongsToCurrentThread());
 
   delegate_message_loop_->PostTask(
-      FROM_HERE, base::Bind(&P2PSocketClient::DeliverOnSendComplete, this));
+      FROM_HERE, base::Bind(&P2PSocketClientImpl::DeliverOnSendComplete, this));
 }
 
-void P2PSocketClient::DeliverOnSendComplete() {
+void P2PSocketClientImpl::DeliverOnSendComplete() {
   DCHECK(delegate_message_loop_->BelongsToCurrentThread());
   if (delegate_)
     delegate_->OnSendComplete();
 }
 
-void P2PSocketClient::OnError() {
+void P2PSocketClientImpl::OnError() {
   DCHECK(ipc_message_loop_->BelongsToCurrentThread());
   state_ = STATE_ERROR;
 
   delegate_message_loop_->PostTask(
-      FROM_HERE, base::Bind(&P2PSocketClient::DeliverOnError, this));
+      FROM_HERE, base::Bind(&P2PSocketClientImpl::DeliverOnError, this));
 }
 
-void P2PSocketClient::DeliverOnError() {
+void P2PSocketClientImpl::DeliverOnError() {
   DCHECK(delegate_message_loop_->BelongsToCurrentThread());
   if (delegate_)
     delegate_->OnError();
 }
 
-void P2PSocketClient::OnDataReceived(const net::IPEndPoint& address,
-                                     const std::vector<char>& data) {
+void P2PSocketClientImpl::OnDataReceived(const net::IPEndPoint& address,
+                                         const std::vector<char>& data) {
   DCHECK(ipc_message_loop_->BelongsToCurrentThread());
   DCHECK_EQ(STATE_OPEN, state_);
   delegate_message_loop_->PostTask(
       FROM_HERE,
-      base::Bind(&P2PSocketClient::DeliverOnDataReceived, this, address, data));
+      base::Bind(&P2PSocketClientImpl::DeliverOnDataReceived,
+                 this,
+                 address,
+                 data));
 }
 
-void P2PSocketClient::DeliverOnDataReceived(const net::IPEndPoint& address,
-                                            const std::vector<char>& data) {
+void P2PSocketClientImpl::DeliverOnDataReceived(const net::IPEndPoint& address,
+                                                const std::vector<char>& data) {
   DCHECK(delegate_message_loop_->BelongsToCurrentThread());
   if (delegate_)
     delegate_->OnDataReceived(address, data);
 }
 
-void P2PSocketClient::Detach() {
+void P2PSocketClientImpl::Detach() {
   DCHECK(ipc_message_loop_->BelongsToCurrentThread());
   dispatcher_ = NULL;
   OnError();
 }
 
 }  // namespace content