Revert 69660 - Add support for sockets that can listen and accept a connectio...

ipc/ipc_channel_posix_unittest.cc

Index: ipc/ipc_channel_posix_unittest.cc
===================================================================
--- ipc/ipc_channel_posix_unittest.cc	(revision 69661)
+++ ipc/ipc_channel_posix_unittest.cc	(working copy)
@@ -1,342 +0,0 @@
-// Copyright (c) 2006-2009 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.
-
-// These tests are POSIX only.
-
-#include "ipc/ipc_channel_posix.h"
-
-#include <fcntl.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <unistd.h>
-
-#include "base/basictypes.h"
-#include "base/eintr_wrapper.h"
-#include "base/message_loop.h"
-#include "base/scoped_ptr.h"
-#include "base/test/multiprocess_test.h"
-#include "base/test/test_timeouts.h"
-#include "testing/multiprocess_func_list.h"
-
-namespace {
-
-enum {
-  QUIT_MESSAGE = 47
-};
-
-class IPCChannelPosixTestListener : public IPC::Channel::Listener {
- public:
-  enum STATUS {
-    DISCONNECTED,
-    MESSAGE_RECEIVED,
-    CHANNEL_ERROR,
-    CONNECTED,
-    DENIED,
-    LISTEN_ERROR
-  };
-
-  IPCChannelPosixTestListener(bool quit_only_on_message)
-      : status_(DISCONNECTED), quit_only_on_message_(quit_only_on_message) {}
-
-  virtual ~IPCChannelPosixTestListener() {}
-
-  virtual void OnMessageReceived(const IPC::Message& message) {
-    EXPECT_EQ(message.type(), QUIT_MESSAGE);
-    status_ = MESSAGE_RECEIVED;
-    QuitRunLoop();
-  }
-
-  virtual void OnChannelConnected(int32 peer_pid) {
-    status_ = CONNECTED;
-    if (!quit_only_on_message_) {
-      QuitRunLoop();
-    }
-  }
-
-  virtual void OnChannelError()  {
-    status_ = CHANNEL_ERROR;
-    if (!quit_only_on_message_) {
-      QuitRunLoop();
-    }
-  }
-
-  virtual void OnChannelDenied() {
-    status_ = DENIED;
-    if (!quit_only_on_message_) {
-      QuitRunLoop();
-    }
-  }
-
-  virtual void OnChannelListenError() {
-    status_ = LISTEN_ERROR;
-    if (!quit_only_on_message_) {
-      QuitRunLoop();
-    }
-  }
-
-  STATUS status() { return status_; }
-
-  void QuitRunLoop() {
-    MessageLoopForIO::current()->QuitNow();
-  }
-
- private:
-  // The current status of the listener.
-  STATUS status_;
-  // If |quit_only_on_message_| then the listener will only break out of
-  // the run loop when the QUIT_MESSAGE is received.
-  bool quit_only_on_message_;
-};
-
-}  // namespace
-
-class IPCChannelPosixTest : public base::MultiProcessTest {
- public:
-  static const char kConnectionSocketTestName[];
-  static void SetUpSocket(IPC::ChannelHandle *handle,
-                          IPC::Channel::Mode mode);
-  static void SpinRunLoop(int milliseconds);
-
- protected:
-  virtual void SetUp();
-  virtual void TearDown();
-
-private:
-  scoped_ptr<MessageLoopForIO> message_loop_;
-};
-
-const char IPCChannelPosixTest::kConnectionSocketTestName[] =
-    "/var/tmp/chrome_IPCChannelPosixTest__ConnectionSocket";
-
-void IPCChannelPosixTest::SetUp() {
-  MultiProcessTest::SetUp();
-  // Construct a fresh IO Message loop for the duration of each test.
-  message_loop_.reset(new MessageLoopForIO());
-}
-
-void IPCChannelPosixTest::TearDown() {
-  message_loop_.reset(NULL);
-  MultiProcessTest::TearDown();
-}
-
-// Create up a socket and bind and listen to it, or connect it
-// depending on the |mode|.
-void IPCChannelPosixTest::SetUpSocket(IPC::ChannelHandle *handle,
-                                      IPC::Channel::Mode mode) {
-  const std::string& name = handle->name;
-  int socket_fd = socket(PF_UNIX, SOCK_STREAM, 0);
-  ASSERT_GE(socket_fd, 0) << name;
-  ASSERT_GE(fcntl(socket_fd, F_SETFL, O_NONBLOCK), 0);
-  struct sockaddr_un server_address = { 0 };
-  memset(&server_address, 0, sizeof(server_address));
-  server_address.sun_family = AF_UNIX;
-  DCHECK_EQ(static_cast<int>(name.length()),
-            snprintf(server_address.sun_path, IPC::kMaxPipeNameLength, "%s",
-                     name.c_str()));
-  size_t server_address_len = offsetof(struct sockaddr_un, sun_path) +
-      strlen(server_address.sun_path) + 1;
-
-  if (mode == IPC::Channel::MODE_NAMED_SERVER) {
-    // Only one server at a time. Cleanup garbage if it exists.
-    unlink(name.c_str());
-    ASSERT_GE(bind(socket_fd,
-                   reinterpret_cast<struct sockaddr *>(&server_address),
-                   server_address_len), 0) << name << ": " << strerror(errno);
-    ASSERT_GE(listen(socket_fd, SOMAXCONN), 0) << name << ": "
-                                               << strerror(errno);
-  } else if (mode == IPC::Channel::MODE_NAMED_CLIENT) {
-    ASSERT_GE(connect(socket_fd,
-                      reinterpret_cast<struct sockaddr *>(&server_address),
-                      server_address_len), 0) << name
-                                              << ": " << strerror(errno);
-  } else {
-    FAIL() << "Unknown mode " << mode;
-  }
-  handle->socket.fd = socket_fd;
-}
-
-void IPCChannelPosixTest::SpinRunLoop(int milliseconds) {
-  MessageLoopForIO *loop = MessageLoopForIO::current();
-  // Post a quit task so that this loop eventually ends and we don't hang
-  // in the case of a bad test. Usually, the run loop will quit sooner than
-  // that because all tests use a IPCChannelPosixTestListener which quits the
-  // current run loop on any channel activity.
-  loop->PostDelayedTask(FROM_HERE, new MessageLoop::QuitTask(), milliseconds);
-  loop->Run();
-}
-
-TEST_F(IPCChannelPosixTest, BasicListen) {
-  // Test creating a socket that is listening.
-  IPC::ChannelHandle handle("/var/tmp/IPCChannelPosixTest::BasicListen");
-  SetUpSocket(&handle, IPC::Channel::MODE_NAMED_SERVER);
-  unlink(handle.name.c_str());
-  IPC::Channel channel(handle, IPC::Channel::MODE_NAMED_SERVER, NULL);
-  ASSERT_TRUE(channel.Connect());
-  ASSERT_TRUE(channel.AcceptsConnections());
-  ASSERT_FALSE(channel.HasAcceptedConnection());
-  channel.ResetToAcceptingConnectionState();
-  ASSERT_FALSE(channel.HasAcceptedConnection());
-}
-
-TEST_F(IPCChannelPosixTest, BasicConnected) {
-  // Test creating a socket that is connected.
-  int pipe_fds[2];
-  ASSERT_EQ(0, socketpair(AF_UNIX, SOCK_STREAM, 0, pipe_fds));
-  std::string socket_name("/var/tmp/IPCChannelPosixTest::BasicConnected");
-  base::FileDescriptor fd(pipe_fds[0], false);
-  IPC::ChannelHandle handle(socket_name, fd);
-  IPC::Channel channel(handle, IPC::Channel::MODE_SERVER, NULL);
-  ASSERT_TRUE(channel.Connect());
-  ASSERT_FALSE(channel.AcceptsConnections());
-  channel.Close();
-  ASSERT_TRUE(HANDLE_EINTR(close(pipe_fds[1])) == 0);
-
-  // Make sure that we can use the socket that is created for us by
-  // a standard channel.
-  IPC::Channel channel2(socket_name, IPC::Channel::MODE_SERVER, NULL);
-  ASSERT_TRUE(channel2.Connect());
-  ASSERT_FALSE(channel2.AcceptsConnections());
-}
-
-TEST_F(IPCChannelPosixTest, AdvancedConnected) {
-  // Test creating a connection to an external process.
-  IPCChannelPosixTestListener listener(false);
-  IPC::ChannelHandle chan_handle(kConnectionSocketTestName);
-  SetUpSocket(&chan_handle, IPC::Channel::MODE_NAMED_SERVER);
-  IPC::Channel channel(chan_handle, IPC::Channel::MODE_NAMED_SERVER, &listener);
-  ASSERT_TRUE(channel.Connect());
-  ASSERT_TRUE(channel.AcceptsConnections());
-  ASSERT_FALSE(channel.HasAcceptedConnection());
-
-  base::ProcessHandle handle = SpawnChild("IPCChannelPosixTestConnectionProc",
-                                          false);
-  ASSERT_TRUE(handle);
-  SpinRunLoop(TestTimeouts::action_max_timeout_ms());
-  ASSERT_EQ(IPCChannelPosixTestListener::CONNECTED, listener.status());
-  ASSERT_TRUE(channel.HasAcceptedConnection());
-  IPC::Message* message = new IPC::Message(0, // routing_id
-                                           QUIT_MESSAGE, // message type
-                                           IPC::Message::PRIORITY_NORMAL);
-  channel.Send(message);
-  SpinRunLoop(TestTimeouts::action_timeout_ms());
-  int exit_code = 0;
-  EXPECT_TRUE(base::WaitForExitCode(handle, &exit_code));
-  EXPECT_EQ(0, exit_code);
-  ASSERT_EQ(IPCChannelPosixTestListener::CHANNEL_ERROR, listener.status());
-  ASSERT_FALSE(channel.HasAcceptedConnection());
-}
-
-TEST_F(IPCChannelPosixTest, ResetState) {
-  // Test creating a connection to an external process. Close the connection,
-  // but continue to listen and make sure another external process can connect
-  // to us.
-  IPCChannelPosixTestListener listener(false);
-  IPC::ChannelHandle chan_handle(kConnectionSocketTestName);
-  SetUpSocket(&chan_handle, IPC::Channel::MODE_NAMED_SERVER);
-  IPC::Channel channel(chan_handle, IPC::Channel::MODE_NAMED_SERVER, &listener);
-  ASSERT_TRUE(channel.Connect());
-  ASSERT_TRUE(channel.AcceptsConnections());
-  ASSERT_FALSE(channel.HasAcceptedConnection());
-
-  base::ProcessHandle handle = SpawnChild("IPCChannelPosixTestConnectionProc",
-                                          false);
-  ASSERT_TRUE(handle);
-  SpinRunLoop(TestTimeouts::action_max_timeout_ms());
-  ASSERT_EQ(IPCChannelPosixTestListener::CONNECTED, listener.status());
-  ASSERT_TRUE(channel.HasAcceptedConnection());
-  channel.ResetToAcceptingConnectionState();
-  ASSERT_FALSE(channel.HasAcceptedConnection());
-
-  base::ProcessHandle handle2 = SpawnChild("IPCChannelPosixTestConnectionProc",
-                                          false);
-  ASSERT_TRUE(handle2);
-  SpinRunLoop(TestTimeouts::action_max_timeout_ms());
-  ASSERT_EQ(IPCChannelPosixTestListener::CONNECTED, listener.status());
-  ASSERT_TRUE(channel.HasAcceptedConnection());
-  IPC::Message* message = new IPC::Message(0, // routing_id
-                                           QUIT_MESSAGE, // message type
-                                           IPC::Message::PRIORITY_NORMAL);
-  channel.Send(message);
-  SpinRunLoop(TestTimeouts::action_timeout_ms());
-  EXPECT_TRUE(base::KillProcess(handle, 0, false));
-  int exit_code = 0;
-  EXPECT_TRUE(base::WaitForExitCode(handle2, &exit_code));
-  EXPECT_EQ(0, exit_code);
-  ASSERT_EQ(IPCChannelPosixTestListener::CHANNEL_ERROR, listener.status());
-  ASSERT_FALSE(channel.HasAcceptedConnection());
-}
-
-TEST_F(IPCChannelPosixTest, MultiConnection) {
-  // Test setting up a connection to an external process, and then have
-  // another external process attempt to connect to us.
-  IPCChannelPosixTestListener listener(false);
-  IPC::ChannelHandle chan_handle(kConnectionSocketTestName);
-  SetUpSocket(&chan_handle, IPC::Channel::MODE_NAMED_SERVER);
-  IPC::Channel channel(chan_handle, IPC::Channel::MODE_NAMED_SERVER, &listener);
-  ASSERT_TRUE(channel.Connect());
-  ASSERT_TRUE(channel.AcceptsConnections());
-  ASSERT_FALSE(channel.HasAcceptedConnection());
-
-  base::ProcessHandle handle = SpawnChild("IPCChannelPosixTestConnectionProc",
-                                          false);
-  ASSERT_TRUE(handle);
-  SpinRunLoop(TestTimeouts::action_max_timeout_ms());
-  ASSERT_EQ(IPCChannelPosixTestListener::CONNECTED, listener.status());
-  ASSERT_TRUE(channel.HasAcceptedConnection());
-  base::ProcessHandle handle2 = SpawnChild("IPCChannelPosixFailConnectionProc",
-                                           false);
-  ASSERT_TRUE(handle2);
-  SpinRunLoop(TestTimeouts::action_max_timeout_ms());
-  int exit_code = 0;
-  EXPECT_TRUE(base::WaitForExitCode(handle2, &exit_code));
-  EXPECT_EQ(exit_code, 0);
-  ASSERT_EQ(IPCChannelPosixTestListener::DENIED, listener.status());
-  ASSERT_TRUE(channel.HasAcceptedConnection());
-  IPC::Message* message = new IPC::Message(0, // routing_id
-                                           QUIT_MESSAGE, // message type
-                                           IPC::Message::PRIORITY_NORMAL);
-  channel.Send(message);
-  SpinRunLoop(TestTimeouts::action_timeout_ms());
-  EXPECT_TRUE(base::WaitForExitCode(handle, &exit_code));
-  EXPECT_EQ(exit_code, 0);
-  ASSERT_EQ(IPCChannelPosixTestListener::CHANNEL_ERROR, listener.status());
-  ASSERT_FALSE(channel.HasAcceptedConnection());
-}
-
-// A long running process that connects to us
-MULTIPROCESS_TEST_MAIN(IPCChannelPosixTestConnectionProc) {
-  MessageLoopForIO message_loop;
-  IPCChannelPosixTestListener listener(true);
-  IPC::ChannelHandle handle(IPCChannelPosixTest::kConnectionSocketTestName);
-  IPCChannelPosixTest::SetUpSocket(&handle, IPC::Channel::MODE_NAMED_CLIENT);
-  IPC::Channel channel(handle, IPC::Channel::MODE_NAMED_CLIENT, &listener);
-  EXPECT_TRUE(channel.Connect());
-  IPCChannelPosixTest::SpinRunLoop(TestTimeouts::action_max_timeout_ms());
-  EXPECT_EQ(IPCChannelPosixTestListener::MESSAGE_RECEIVED, listener.status());
-  return 0;
-}
-
-// Simple external process that shouldn't be able to connect to us.
-MULTIPROCESS_TEST_MAIN(IPCChannelPosixFailConnectionProc) {
-  MessageLoopForIO message_loop;
-  IPCChannelPosixTestListener listener(false);
-  IPC::ChannelHandle handle(IPCChannelPosixTest::kConnectionSocketTestName);
-  IPCChannelPosixTest::SetUpSocket(&handle, IPC::Channel::MODE_NAMED_CLIENT);
-  IPC::Channel channel(handle, IPC::Channel::MODE_NAMED_CLIENT, &listener);
-
-  // In this case connect may succeed or fail depending on if the packet
-  // actually gets sent at sendmsg. Since we never delay on send, we may not
-  // see the error. However even if connect succeeds, eventually we will get an
-  // error back since the channel will be closed when we attempt to read from
-  // it.
-  bool connected = channel.Connect();
-  if (connected) {
-    IPCChannelPosixTest::SpinRunLoop(TestTimeouts::action_max_timeout_ms());
-    EXPECT_EQ(IPCChannelPosixTestListener::CHANNEL_ERROR, listener.status());
-  } else {
-    EXPECT_EQ(IPCChannelPosixTestListener::DISCONNECTED, listener.status());
-  }
-  return 0;
-}
-