Index: net/socket/socket_libevent.cc |
diff --git a/net/socket/socket_libevent.cc b/net/socket/socket_libevent.cc |
deleted file mode 100644 |
index 5f16c929ab202fd4c61ba4ed5070cb523fb0353d..0000000000000000000000000000000000000000 |
--- a/net/socket/socket_libevent.cc |
+++ /dev/null |
@@ -1,482 +0,0 @@ |
-// Copyright 2014 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. |
- |
-#include "net/socket/socket_libevent.h" |
- |
-#include <errno.h> |
-#include <netinet/in.h> |
-#include <sys/socket.h> |
- |
-#include "base/callback_helpers.h" |
-#include "base/logging.h" |
-#include "base/posix/eintr_wrapper.h" |
-#include "net/base/io_buffer.h" |
-#include "net/base/ip_endpoint.h" |
-#include "net/base/net_errors.h" |
-#include "net/base/net_util.h" |
- |
-namespace net { |
- |
-namespace { |
- |
-int MapAcceptError(int os_error) { |
- switch (os_error) { |
- // If the client aborts the connection before the server calls accept, |
- // POSIX specifies accept should fail with ECONNABORTED. The server can |
- // ignore the error and just call accept again, so we map the error to |
- // ERR_IO_PENDING. See UNIX Network Programming, Vol. 1, 3rd Ed., Sec. |
- // 5.11, "Connection Abort before accept Returns". |
- case ECONNABORTED: |
- return ERR_IO_PENDING; |
- default: |
- return MapSystemError(os_error); |
- } |
-} |
- |
-int MapConnectError(int os_error) { |
- switch (os_error) { |
- case EINPROGRESS: |
- return ERR_IO_PENDING; |
- case EACCES: |
- return ERR_NETWORK_ACCESS_DENIED; |
- case ETIMEDOUT: |
- return ERR_CONNECTION_TIMED_OUT; |
- default: { |
- int net_error = MapSystemError(os_error); |
- if (net_error == ERR_FAILED) |
- return ERR_CONNECTION_FAILED; // More specific than ERR_FAILED. |
- return net_error; |
- } |
- } |
-} |
- |
-} // namespace |
- |
-SocketLibevent::SocketLibevent() |
- : socket_fd_(kInvalidSocket), |
- read_buf_len_(0), |
- write_buf_len_(0), |
- waiting_connect_(false) { |
-} |
- |
-SocketLibevent::~SocketLibevent() { |
- Close(); |
-} |
- |
-int SocketLibevent::Open(int address_family) { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- DCHECK_EQ(kInvalidSocket, socket_fd_); |
- DCHECK(address_family == AF_INET || |
- address_family == AF_INET6 || |
- address_family == AF_UNIX); |
- |
- socket_fd_ = CreatePlatformSocket( |
- address_family, |
- SOCK_STREAM, |
- address_family == AF_UNIX ? 0 : IPPROTO_TCP); |
- if (socket_fd_ < 0) { |
- PLOG(ERROR) << "CreatePlatformSocket() returned an error, errno=" << errno; |
- return MapSystemError(errno); |
- } |
- |
- if (SetNonBlocking(socket_fd_)) { |
- int rv = MapSystemError(errno); |
- Close(); |
- return rv; |
- } |
- |
- return OK; |
-} |
- |
-int SocketLibevent::AdoptConnectedSocket(SocketDescriptor socket, |
- const SockaddrStorage& address) { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- DCHECK_EQ(kInvalidSocket, socket_fd_); |
- |
- socket_fd_ = socket; |
- |
- if (SetNonBlocking(socket_fd_)) { |
- int rv = MapSystemError(errno); |
- Close(); |
- return rv; |
- } |
- |
- SetPeerAddress(address); |
- return OK; |
-} |
- |
-SocketDescriptor SocketLibevent::ReleaseConnectedSocket() { |
- StopWatchingAndCleanUp(); |
- SocketDescriptor socket_fd = socket_fd_; |
- socket_fd_ = kInvalidSocket; |
- return socket_fd; |
-} |
- |
-int SocketLibevent::Bind(const SockaddrStorage& address) { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- DCHECK_NE(kInvalidSocket, socket_fd_); |
- |
- int rv = bind(socket_fd_, address.addr, address.addr_len); |
- if (rv < 0) { |
- PLOG(ERROR) << "bind() returned an error, errno=" << errno; |
- return MapSystemError(errno); |
- } |
- |
- return OK; |
-} |
- |
-int SocketLibevent::Listen(int backlog) { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- DCHECK_NE(kInvalidSocket, socket_fd_); |
- DCHECK_LT(0, backlog); |
- |
- int rv = listen(socket_fd_, backlog); |
- if (rv < 0) { |
- PLOG(ERROR) << "listen() returned an error, errno=" << errno; |
- return MapSystemError(errno); |
- } |
- |
- return OK; |
-} |
- |
-int SocketLibevent::Accept(scoped_ptr<SocketLibevent>* socket, |
- const CompletionCallback& callback) { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- DCHECK_NE(kInvalidSocket, socket_fd_); |
- DCHECK(accept_callback_.is_null()); |
- DCHECK(socket); |
- DCHECK(!callback.is_null()); |
- |
- int rv = DoAccept(socket); |
- if (rv != ERR_IO_PENDING) |
- return rv; |
- |
- if (!base::MessageLoopForIO::current()->WatchFileDescriptor( |
- socket_fd_, true, base::MessageLoopForIO::WATCH_READ, |
- &accept_socket_watcher_, this)) { |
- PLOG(ERROR) << "WatchFileDescriptor failed on accept, errno " << errno; |
- return MapSystemError(errno); |
- } |
- |
- accept_socket_ = socket; |
- accept_callback_ = callback; |
- return ERR_IO_PENDING; |
-} |
- |
-int SocketLibevent::Connect(const SockaddrStorage& address, |
- const CompletionCallback& callback) { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- DCHECK_NE(kInvalidSocket, socket_fd_); |
- DCHECK(!waiting_connect_); |
- DCHECK(!callback.is_null()); |
- |
- SetPeerAddress(address); |
- |
- int rv = DoConnect(); |
- if (rv != ERR_IO_PENDING) |
- return rv; |
- |
- if (!base::MessageLoopForIO::current()->WatchFileDescriptor( |
- socket_fd_, true, base::MessageLoopForIO::WATCH_WRITE, |
- &write_socket_watcher_, this)) { |
- PLOG(ERROR) << "WatchFileDescriptor failed on connect, errno " << errno; |
- return MapSystemError(errno); |
- } |
- |
- write_callback_ = callback; |
- waiting_connect_ = true; |
- return ERR_IO_PENDING; |
-} |
- |
-bool SocketLibevent::IsConnected() const { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- |
- if (socket_fd_ == kInvalidSocket || waiting_connect_) |
- return false; |
- |
- // Checks if connection is alive. |
- char c; |
- int rv = HANDLE_EINTR(recv(socket_fd_, &c, 1, MSG_PEEK)); |
- if (rv == 0) |
- return false; |
- if (rv == -1 && errno != EAGAIN && errno != EWOULDBLOCK) |
- return false; |
- |
- return true; |
-} |
- |
-bool SocketLibevent::IsConnectedAndIdle() const { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- |
- if (socket_fd_ == kInvalidSocket || waiting_connect_) |
- return false; |
- |
- // Check if connection is alive and we haven't received any data |
- // unexpectedly. |
- char c; |
- int rv = HANDLE_EINTR(recv(socket_fd_, &c, 1, MSG_PEEK)); |
- if (rv >= 0) |
- return false; |
- if (errno != EAGAIN && errno != EWOULDBLOCK) |
- return false; |
- |
- return true; |
-} |
- |
-int SocketLibevent::Read(IOBuffer* buf, |
- int buf_len, |
- const CompletionCallback& callback) { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- DCHECK_NE(kInvalidSocket, socket_fd_); |
- DCHECK(!waiting_connect_); |
- CHECK(read_callback_.is_null()); |
- // Synchronous operation not supported |
- DCHECK(!callback.is_null()); |
- DCHECK_LT(0, buf_len); |
- |
- int rv = DoRead(buf, buf_len); |
- if (rv != ERR_IO_PENDING) |
- return rv; |
- |
- if (!base::MessageLoopForIO::current()->WatchFileDescriptor( |
- socket_fd_, true, base::MessageLoopForIO::WATCH_READ, |
- &read_socket_watcher_, this)) { |
- PLOG(ERROR) << "WatchFileDescriptor failed on read, errno " << errno; |
- return MapSystemError(errno); |
- } |
- |
- read_buf_ = buf; |
- read_buf_len_ = buf_len; |
- read_callback_ = callback; |
- return ERR_IO_PENDING; |
-} |
- |
-int SocketLibevent::Write(IOBuffer* buf, |
- int buf_len, |
- const CompletionCallback& callback) { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- DCHECK_NE(kInvalidSocket, socket_fd_); |
- DCHECK(!waiting_connect_); |
- CHECK(write_callback_.is_null()); |
- // Synchronous operation not supported |
- DCHECK(!callback.is_null()); |
- DCHECK_LT(0, buf_len); |
- |
- int rv = DoWrite(buf, buf_len); |
- if (rv == ERR_IO_PENDING) |
- rv = WaitForWrite(buf, buf_len, callback); |
- return rv; |
-} |
- |
-int SocketLibevent::WaitForWrite(IOBuffer* buf, |
- int buf_len, |
- const CompletionCallback& callback) { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- DCHECK_NE(kInvalidSocket, socket_fd_); |
- DCHECK(write_callback_.is_null()); |
- // Synchronous operation not supported |
- DCHECK(!callback.is_null()); |
- DCHECK_LT(0, buf_len); |
- |
- if (!base::MessageLoopForIO::current()->WatchFileDescriptor( |
- socket_fd_, true, base::MessageLoopForIO::WATCH_WRITE, |
- &write_socket_watcher_, this)) { |
- PLOG(ERROR) << "WatchFileDescriptor failed on write, errno " << errno; |
- return MapSystemError(errno); |
- } |
- |
- write_buf_ = buf; |
- write_buf_len_ = buf_len; |
- write_callback_ = callback; |
- return ERR_IO_PENDING; |
-} |
- |
-int SocketLibevent::GetLocalAddress(SockaddrStorage* address) const { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- DCHECK(address); |
- |
- if (getsockname(socket_fd_, address->addr, &address->addr_len) < 0) |
- return MapSystemError(errno); |
- return OK; |
-} |
- |
-int SocketLibevent::GetPeerAddress(SockaddrStorage* address) const { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- DCHECK(address); |
- |
- if (!HasPeerAddress()) |
- return ERR_SOCKET_NOT_CONNECTED; |
- |
- *address = *peer_address_; |
- return OK; |
-} |
- |
-void SocketLibevent::SetPeerAddress(const SockaddrStorage& address) { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- // |peer_address_| will be non-NULL if Connect() has been called. Unless |
- // Close() is called to reset the internal state, a second call to Connect() |
- // is not allowed. |
- // Please note that we don't allow a second Connect() even if the previous |
- // Connect() has failed. Connecting the same |socket_| again after a |
- // connection attempt failed results in unspecified behavior according to |
- // POSIX. |
- DCHECK(!peer_address_); |
- peer_address_.reset(new SockaddrStorage(address)); |
-} |
- |
-bool SocketLibevent::HasPeerAddress() const { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- return peer_address_ != NULL; |
-} |
- |
-void SocketLibevent::Close() { |
- DCHECK(thread_checker_.CalledOnValidThread()); |
- |
- StopWatchingAndCleanUp(); |
- |
- if (socket_fd_ != kInvalidSocket) { |
- if (IGNORE_EINTR(close(socket_fd_)) < 0) |
- PLOG(ERROR) << "close() returned an error, errno=" << errno; |
- socket_fd_ = kInvalidSocket; |
- } |
-} |
- |
-void SocketLibevent::OnFileCanReadWithoutBlocking(int fd) { |
- DCHECK(!accept_callback_.is_null() || !read_callback_.is_null()); |
- if (!accept_callback_.is_null()) { |
- AcceptCompleted(); |
- } else { // !read_callback_.is_null() |
- ReadCompleted(); |
- } |
-} |
- |
-void SocketLibevent::OnFileCanWriteWithoutBlocking(int fd) { |
- DCHECK(!write_callback_.is_null()); |
- if (waiting_connect_) { |
- ConnectCompleted(); |
- } else { |
- WriteCompleted(); |
- } |
-} |
- |
-int SocketLibevent::DoAccept(scoped_ptr<SocketLibevent>* socket) { |
- SockaddrStorage new_peer_address; |
- int new_socket = HANDLE_EINTR(accept(socket_fd_, |
- new_peer_address.addr, |
- &new_peer_address.addr_len)); |
- if (new_socket < 0) |
- return MapAcceptError(errno); |
- |
- scoped_ptr<SocketLibevent> accepted_socket(new SocketLibevent); |
- int rv = accepted_socket->AdoptConnectedSocket(new_socket, new_peer_address); |
- if (rv != OK) |
- return rv; |
- |
- *socket = accepted_socket.Pass(); |
- return OK; |
-} |
- |
-void SocketLibevent::AcceptCompleted() { |
- DCHECK(accept_socket_); |
- int rv = DoAccept(accept_socket_); |
- if (rv == ERR_IO_PENDING) |
- return; |
- |
- bool ok = accept_socket_watcher_.StopWatchingFileDescriptor(); |
- DCHECK(ok); |
- accept_socket_ = NULL; |
- base::ResetAndReturn(&accept_callback_).Run(rv); |
-} |
- |
-int SocketLibevent::DoConnect() { |
- int rv = HANDLE_EINTR(connect(socket_fd_, |
- peer_address_->addr, |
- peer_address_->addr_len)); |
- DCHECK_GE(0, rv); |
- return rv == 0 ? OK : MapConnectError(errno); |
-} |
- |
-void SocketLibevent::ConnectCompleted() { |
- // Get the error that connect() completed with. |
- int os_error = 0; |
- socklen_t len = sizeof(os_error); |
- if (getsockopt(socket_fd_, SOL_SOCKET, SO_ERROR, &os_error, &len) == 0) { |
- // TCPSocketLibevent expects errno to be set. |
- errno = os_error; |
- } |
- |
- int rv = MapConnectError(errno); |
- if (rv == ERR_IO_PENDING) |
- return; |
- |
- bool ok = write_socket_watcher_.StopWatchingFileDescriptor(); |
- DCHECK(ok); |
- waiting_connect_ = false; |
- base::ResetAndReturn(&write_callback_).Run(rv); |
-} |
- |
-int SocketLibevent::DoRead(IOBuffer* buf, int buf_len) { |
- int rv = HANDLE_EINTR(read(socket_fd_, buf->data(), buf_len)); |
- return rv >= 0 ? rv : MapSystemError(errno); |
-} |
- |
-void SocketLibevent::ReadCompleted() { |
- int rv = DoRead(read_buf_.get(), read_buf_len_); |
- if (rv == ERR_IO_PENDING) |
- return; |
- |
- bool ok = read_socket_watcher_.StopWatchingFileDescriptor(); |
- DCHECK(ok); |
- read_buf_ = NULL; |
- read_buf_len_ = 0; |
- base::ResetAndReturn(&read_callback_).Run(rv); |
-} |
- |
-int SocketLibevent::DoWrite(IOBuffer* buf, int buf_len) { |
- int rv = HANDLE_EINTR(write(socket_fd_, buf->data(), buf_len)); |
- return rv >= 0 ? rv : MapSystemError(errno); |
-} |
- |
-void SocketLibevent::WriteCompleted() { |
- int rv = DoWrite(write_buf_.get(), write_buf_len_); |
- if (rv == ERR_IO_PENDING) |
- return; |
- |
- bool ok = write_socket_watcher_.StopWatchingFileDescriptor(); |
- DCHECK(ok); |
- write_buf_ = NULL; |
- write_buf_len_ = 0; |
- base::ResetAndReturn(&write_callback_).Run(rv); |
-} |
- |
-void SocketLibevent::StopWatchingAndCleanUp() { |
- bool ok = accept_socket_watcher_.StopWatchingFileDescriptor(); |
- DCHECK(ok); |
- ok = read_socket_watcher_.StopWatchingFileDescriptor(); |
- DCHECK(ok); |
- ok = write_socket_watcher_.StopWatchingFileDescriptor(); |
- DCHECK(ok); |
- |
- if (!accept_callback_.is_null()) { |
- accept_socket_ = NULL; |
- accept_callback_.Reset(); |
- } |
- |
- if (!read_callback_.is_null()) { |
- read_buf_ = NULL; |
- read_buf_len_ = 0; |
- read_callback_.Reset(); |
- } |
- |
- if (!write_callback_.is_null()) { |
- write_buf_ = NULL; |
- write_buf_len_ = 0; |
- write_callback_.Reset(); |
- } |
- |
- waiting_connect_ = false; |
- peer_address_.reset(); |
-} |
- |
-} // namespace net |