Exposed Listen and Accept methods to plugin.

content/browser/renderer_host/pepper_message_filter.cc

Index: content/browser/renderer_host/pepper_message_filter.cc
diff --git a/content/browser/renderer_host/pepper_message_filter.cc b/content/browser/renderer_host/pepper_message_filter.cc
index eaac07bdcc487a4adf4ca4b95aba2ae61b492a01..43b0743b753e02d4f47c1e2c937702657c57c027 100644
--- a/content/browser/renderer_host/pepper_message_filter.cc
+++ b/content/browser/renderer_host/pepper_message_filter.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -14,6 +14,7 @@
 #include "base/values.h"
 #include "content/browser/font_list_async.h"
 #include "content/browser/resource_context.h"
+#include "content/browser/renderer_host/pepper_tcp_server_socket.h"
 #include "content/browser/renderer_host/pepper_tcp_socket.h"
 #include "content/browser/renderer_host/pepper_udp_socket.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
@@ -95,6 +96,16 @@ bool PepperMessageFilter::OnMessageReceived(const IPC::Message& msg,
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBUDPSocket_SendTo, OnUDPSendTo)
     IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBUDPSocket_Close, OnUDPClose)
 
+    // TCP Server messages.
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTCPServerSocket_Initialize,
+                        OnTCPServerInitialize)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTCPServerSocket_Listen,
+                        OnTCPServerListen)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTCPServerSocket_Accept,
+                        OnTCPServerAccept)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBTCPServerSocket_StopListening,
+                        OnTCPServerStopListening)
+
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
   return handled;
@@ -476,6 +487,83 @@ void PepperMessageFilter::OnUDPClose(uint32 socket_id) {
   udp_sockets_.erase(iter);
 }
 
+void PepperMessageFilter::OnTCPServerInitialize(int32 routing_id,
+                                                uint32 plugin_dispatcher_id) {
+  uint32 tcp_server_socket_id = GenerateSocketID();
+  if (tcp_server_socket_id != kInvalidSocketID) {
+    PepperTCPServerSocket* socket = new PepperTCPServerSocket(
+        this, routing_id, plugin_dispatcher_id, tcp_server_socket_id);
+    socket->SetAcceptCallback(base::Bind(
+        &PepperMessageFilter::OnTCPServerSocketAcceptComplete,
+        base::Unretained(this)));
+
+    tcp_server_sockets_[tcp_server_socket_id] =
+        linked_ptr<PepperTCPServerSocket>(socket);
+  }
+  Send(new PpapiMsg_PPBTCPServerSocket_InitializeACK(routing_id,
+                                                     plugin_dispatcher_id,
+                                                     tcp_server_socket_id));
+}
+
+void PepperMessageFilter::OnTCPServerListen(uint32 socket_id,
+                                            const PP_NetAddress_Private& addr,
+                                            int32_t backlog) {
+  TCPServerSocketMap::iterator iter = tcp_server_sockets_.find(socket_id);
+  if (iter == tcp_server_sockets_.end()) {
+    NOTREACHED();
+    return;
+  }
+  iter->second->Listen(addr, backlog);
+}
+
+void PepperMessageFilter::OnTCPServerAccept(uint32 socket_id) {
+  TCPServerSocketMap::iterator iter = tcp_server_sockets_.find(socket_id);
+  if (iter == tcp_server_sockets_.end()) {
+    NOTREACHED();
+    return;
+  }
+  iter->second->Accept();
+}
+
+void PepperMessageFilter::OnTCPServerSocketAcceptComplete(
+    int32 routing_id,
+    uint32 plugin_dispatcher_id,
+    uint32 tcp_server_socket_id,
+    net::StreamSocket* socket,
+    PP_NetAddress_Private local_addr,
+    PP_NetAddress_Private remote_addr) {
+  uint32 tcp_socket_id = GenerateSocketID();
+  if (tcp_socket_id == kInvalidSocketID)
+    return;
+
+  tcp_sockets_[tcp_socket_id] = linked_ptr<PepperTCPSocket>(
+      new PepperTCPSocket(this,
+                          routing_id,
+                          plugin_dispatcher_id,
+                          tcp_socket_id,
+                          socket));
+
+  Send(new PpapiMsg_PPBTCPServerSocket_AcceptACK(routing_id,
+                                                 plugin_dispatcher_id,
+                                                 tcp_server_socket_id,
+                                                 tcp_socket_id,
+                                                 local_addr,
+                                                 remote_addr));
+}
+
+void PepperMessageFilter::OnTCPServerStopListening(uint32 socket_id) {
+  TCPServerSocketMap::iterator iter = tcp_server_sockets_.find(socket_id);
+  if (iter == tcp_server_sockets_.end()) {
+    NOTREACHED();
+    return;
+  }
+
+  // Destroy the TCPServerSocket instance will cancel any pending
+  // completion callback. From this point on, there won't be any
+  // messages associated with this socket sent to the plugin side.
+  tcp_server_sockets_.erase(iter);
+}
+
 void PepperMessageFilter::GetFontFamiliesComplete(
     IPC::Message* reply_msg,
     scoped_refptr<content::FontListResult> result) {
@@ -514,8 +602,10 @@ uint32 PepperMessageFilter::GenerateSocketID() {
   // PepperSocketMessageHandler object, because for each plugin or renderer
   // process, there is at most one PepperMessageFilter (in other words, at most
   // one PepperSocketMessageHandler) talking to it.
-  if (tcp_sockets_.size() + udp_sockets_.size() >= kMaxSocketsAllowed)
+  if (tcp_sockets_.size() + udp_sockets_.size() + tcp_server_sockets_.size() >=
+      kMaxSocketsAllowed) {
     return kInvalidSocketID;
+  }
 
   uint32 socket_id = kInvalidSocketID;
   do {
@@ -524,7 +614,8 @@ uint32 PepperMessageFilter::GenerateSocketID() {
     socket_id = next_socket_id_++;
   } while (socket_id == kInvalidSocketID ||
            tcp_sockets_.find(socket_id) != tcp_sockets_.end() ||
-           udp_sockets_.find(socket_id) != udp_sockets_.end());
+           udp_sockets_.find(socket_id) != udp_sockets_.end() ||
+           tcp_server_sockets_.find(socket_id) != tcp_server_sockets_.end());
 
   return socket_id;
 }