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/files/file.h" 13 #include "base/logging.h" 14 #include "base/posix/eintr_wrapper.h" 15 #include "base/single_thread_task_runner.h" 16 #include "ipc/ipc_channel.h" 17 #include "ipc/ipc_channel_proxy.h" 18 19 namespace remoting { 20 21 bool CreateConnectedIpcChannel( 22 scoped_refptr<base::SingleThreadTaskRunner> io_task_runner, 23 IPC::Listener* listener, 24 base::File* client_out, 25 scoped_ptr<IPC::ChannelProxy>* server_out) { 26 // Create a socket pair. 27 int pipe_fds[2]; 28 if (socketpair(AF_UNIX, SOCK_STREAM, 0, pipe_fds) != 0) { 29 PLOG(ERROR) << "socketpair()"; 30 return false; 31 } 32 33 // Set both ends to be non-blocking. 34 if (fcntl(pipe_fds[0], F_SETFL, O_NONBLOCK) == -1 || 35 fcntl(pipe_fds[1], F_SETFL, O_NONBLOCK) == -1) { 36 PLOG(ERROR) << "fcntl(O_NONBLOCK)"; 37 if (IGNORE_EINTR(close(pipe_fds[0])) < 0) 38 PLOG(ERROR) << "close()"; 39 if (IGNORE_EINTR(close(pipe_fds[1])) < 0) 40 PLOG(ERROR) << "close()"; 41 return false; 42 } 43 44 std::string socket_name = "Chromoting socket"; 45 46 // Wrap the pipe into an IPC channel. 47 base::FileDescriptor fd(pipe_fds[0], false); 48 IPC::ChannelHandle handle(socket_name, fd); 49 *server_out = IPC::ChannelProxy::Create(IPC::ChannelHandle(socket_name, fd), 50 IPC::Channel::MODE_SERVER, 51 listener, 52 io_task_runner.get()); 53 54 *client_out = base::File(pipe_fds[1]); 55 return true; 56 } 57 58 } // namespace remoting 59
