1 // Copyright 2013 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 "remoting/host/ipc_util.h" 6 7 #include <fcntl.h> 8 #include <sys/socket.h> 9 #include <sys/types.h> 10 #include <unistd.h> 11 12 #include "base/logging.h" 13 #include "base/posix/eintr_wrapper.h" 14 #include "base/single_thread_task_runner.h" 15 #include "ipc/ipc_channel.h" 16 #include "ipc/ipc_channel_proxy.h" 17 18 namespace remoting { 19 20 bool CreateConnectedIpcChannel( 21 scoped_refptr<base::SingleThreadTaskRunner> io_task_runner, 22 IPC::Listener* listener, 23 IPC::PlatformFileForTransit* client_out, 24 scoped_ptr<IPC::ChannelProxy>* server_out) { 25 // Create a socket pair. 26 int pipe_fds[2]; 27 if (socketpair(AF_UNIX, SOCK_STREAM, 0, pipe_fds) != 0) { 28 PLOG(ERROR) << "socketpair()"; 29 return false; 30 } 31 32 // Set both ends to be non-blocking. 33 if (fcntl(pipe_fds[0], F_SETFL, O_NONBLOCK) == -1 || 34 fcntl(pipe_fds[1], F_SETFL, O_NONBLOCK) == -1) { 35 PLOG(ERROR) << "fcntl(O_NONBLOCK)"; 36 if (HANDLE_EINTR(close(pipe_fds[0])) < 0) 37 PLOG(ERROR) << "close()"; 38 if (HANDLE_EINTR(close(pipe_fds[1])) < 0) 39 PLOG(ERROR) << "close()"; 40 return false; 41 } 42 43 std::string socket_name = "Chromoting socket"; 44 45 // Wrap the pipe into an IPC channel. 46 base::FileDescriptor fd(pipe_fds[0], false); 47 IPC::ChannelHandle handle(socket_name, fd); 48 server_out->reset(new IPC::ChannelProxy(IPC::ChannelHandle(socket_name, fd), 49 IPC::Channel::MODE_SERVER, 50 listener, 51 io_task_runner.get())); 52 53 *client_out = base::FileDescriptor(pipe_fds[1], false); 54 return true; 55 } 56 57 } // namespace remoting 58
