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Side by Side Diff: content/child/npapi/np_channel_base.cc

Issue 202113004: Implement ScopedFD in terms of ScopedGeneric. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 9 months ago
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1 // Copyright 2013 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "content/child/npapi/np_channel_base.h" 5 #include "content/child/npapi/np_channel_base.h"
6 6
7 #include "base/auto_reset.h" 7 #include "base/auto_reset.h"
8 #include "base/containers/hash_tables.h" 8 #include "base/containers/hash_tables.h"
9 #include "base/files/scoped_file.h"
9 #include "base/lazy_instance.h" 10 #include "base/lazy_instance.h"
10 #include "base/strings/string_number_conversions.h" 11 #include "base/strings/string_number_conversions.h"
11 #include "base/threading/thread_local.h" 12 #include "base/threading/thread_local.h"
12 #include "ipc/ipc_sync_message.h" 13 #include "ipc/ipc_sync_message.h"
13 14
14 #if defined(OS_POSIX) 15 #if defined(OS_POSIX)
15 #include "base/file_util.h" 16 #include "base/file_util.h"
16 #include "ipc/ipc_channel_posix.h" 17 #include "ipc/ipc_channel_posix.h"
17 #endif 18 #endif
18 19
(...skipping 42 matching lines...) Expand 10 before | Expand all | Expand 10 after
61 } // namespace 62 } // namespace
62 63
63 NPChannelBase* NPChannelBase::GetChannel( 64 NPChannelBase* NPChannelBase::GetChannel(
64 const IPC::ChannelHandle& channel_handle, IPC::Channel::Mode mode, 65 const IPC::ChannelHandle& channel_handle, IPC::Channel::Mode mode,
65 ChannelFactory factory, base::MessageLoopProxy* ipc_message_loop, 66 ChannelFactory factory, base::MessageLoopProxy* ipc_message_loop,
66 bool create_pipe_now, base::WaitableEvent* shutdown_event) { 67 bool create_pipe_now, base::WaitableEvent* shutdown_event) {
67 #if defined(OS_POSIX) 68 #if defined(OS_POSIX)
68 // On POSIX the channel_handle conveys an FD (socket) which is duped by the 69 // On POSIX the channel_handle conveys an FD (socket) which is duped by the
69 // kernel during the IPC message exchange (via the SCM_RIGHTS mechanism). 70 // kernel during the IPC message exchange (via the SCM_RIGHTS mechanism).
70 // Ensure we do not leak this FD. 71 // Ensure we do not leak this FD.
71 int fd = channel_handle.socket.auto_close ? channel_handle.socket.fd : -1; 72 base::ScopedFD fd(channel_handle.socket.auto_close ?
72 file_util::ScopedFD auto_close_fd(&fd); 73 channel_handle.socket.fd : -1);
73 #endif 74 #endif
74 75
75 scoped_refptr<NPChannelBase> channel; 76 scoped_refptr<NPChannelBase> channel;
76 std::string channel_key = channel_handle.name; 77 std::string channel_key = channel_handle.name;
77 ChannelMap::const_iterator iter = GetChannelMap()->find(channel_key); 78 ChannelMap::const_iterator iter = GetChannelMap()->find(channel_key);
78 if (iter == GetChannelMap()->end()) { 79 if (iter == GetChannelMap()->end()) {
79 channel = factory(); 80 channel = factory();
80 } else { 81 } else {
81 channel = iter->second; 82 channel = iter->second;
82 } 83 }
83 84
84 DCHECK(channel.get() != NULL); 85 DCHECK(channel.get() != NULL);
85 86
86 if (!channel->channel_valid()) { 87 if (!channel->channel_valid()) {
87 channel->channel_handle_ = channel_handle; 88 channel->channel_handle_ = channel_handle;
88 #if defined(OS_POSIX) 89 #if defined(OS_POSIX)
89 ignore_result(auto_close_fd.release()); 90 ignore_result(fd.release());
90 #endif 91 #endif
91 if (mode & IPC::Channel::MODE_SERVER_FLAG) { 92 if (mode & IPC::Channel::MODE_SERVER_FLAG) {
92 channel->channel_handle_.name = 93 channel->channel_handle_.name =
93 IPC::Channel::GenerateVerifiedChannelID(channel_key); 94 IPC::Channel::GenerateVerifiedChannelID(channel_key);
94 } 95 }
95 channel->mode_ = mode; 96 channel->mode_ = mode;
96 if (channel->Init(ipc_message_loop, create_pipe_now, shutdown_event)) { 97 if (channel->Init(ipc_message_loop, create_pipe_now, shutdown_event)) {
97 (*GetChannelMap())[channel_key] = channel; 98 (*GetChannelMap())[channel_key] = channel;
98 } else { 99 } else {
99 channel = NULL; 100 channel = NULL;
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376 RouteToOwnerMap::iterator iter = route_to_owner_.find(route_id); 377 RouteToOwnerMap::iterator iter = route_to_owner_.find(route_id);
377 return iter != route_to_owner_.end() ? iter->second : default_owner_; 378 return iter != route_to_owner_.end() ? iter->second : default_owner_;
378 } 379 }
379 380
380 int NPChannelBase::GetExistingRouteForNPObjectOwner(NPP owner) { 381 int NPChannelBase::GetExistingRouteForNPObjectOwner(NPP owner) {
381 OwnerToRouteMap::iterator iter = owner_to_route_.find(owner); 382 OwnerToRouteMap::iterator iter = owner_to_route_.find(owner);
382 return iter != owner_to_route_.end() ? iter->second : MSG_ROUTING_NONE; 383 return iter != owner_to_route_.end() ? iter->second : MSG_ROUTING_NONE;
383 } 384 }
384 385
385 } // namespace content 386 } // namespace content
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