Support mojo connections between unrelated peer processes.

mojo/edk/system/node_channel.h

 // Copyright 2016 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.
 
 #ifndef MOJO_EDK_SYSTEM_NODE_CHANNEL_H_
 #define MOJO_EDK_SYSTEM_NODE_CHANNEL_H_
 
 #include <queue>
 #include <unordered_map>
 #include <utility>
@@ skipping 58 matching lines @@
                              Channel::MessagePtr message) = 0;
 #if defined(OS_WIN) || (defined(OS_MACOSX) && !defined(OS_IOS))
     virtual void OnRelayPortsMessage(const ports::NodeName& from_node,
                                      base::ProcessHandle from_process,
                                      const ports::NodeName& destination,
                                      Channel::MessagePtr message) = 0;
     virtual void OnPortsMessageFromRelay(const ports::NodeName& from_node,
                                          const ports::NodeName& source_node,
                                          Channel::MessagePtr message) = 0;
 #endif
-
+    virtual void OnAcceptPeer(const ports::NodeName& from_node,
+                              const ports::NodeName& token,
+                              const ports::NodeName& peer_name,
+                              const ports::PortName& port_name) = 0;
     virtual void OnChannelError(const ports::NodeName& node,
                                 NodeChannel* channel) = 0;
 
 #if defined(OS_MACOSX) && !defined(OS_IOS)
     virtual MachPortRelay* GetMachPortRelay() = 0;
 #endif
   };
 
   static scoped_refptr<NodeChannel> Create(
       Delegate* delegate,
@@ skipping 27 matching lines @@
   // freed if necessary.
   base::ProcessHandle CopyRemoteProcessHandle();
 
   // Used for context in Delegate calls (via |from_node| arguments.)
   void SetRemoteNodeName(const ports::NodeName& name);
 
   void AcceptChild(const ports::NodeName& parent_name,
                    const ports::NodeName& token);
   void AcceptParent(const ports::NodeName& token,
                     const ports::NodeName& child_name);
+  void AcceptPeer(const ports::NodeName& sender_name,
+                  const ports::NodeName& token,
+                  const ports::PortName& port_name);
   void AddBrokerClient(const ports::NodeName& client_name,
                        base::ProcessHandle process_handle);
   void BrokerClientAdded(const ports::NodeName& client_name,
                          ScopedPlatformHandle broker_channel);
   void AcceptBrokerClient(const ports::NodeName& broker_name,
                           ScopedPlatformHandle broker_channel);
   void PortsMessage(Channel::MessagePtr message);
   void RequestPortMerge(const ports::PortName& connector_port_name,
                         const std::string& token);
   void RequestIntroduction(const ports::NodeName& name);
@@ skipping 66 matching lines @@
   PendingRelayMessageQueue pending_relay_messages_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(NodeChannel);
 };
 
 }  // namespace edk
 }  // namespace mojo
 
 #endif  // MOJO_EDK_SYSTEM_NODE_CHANNEL_H_