| // Copyright (c) 2012 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/tcp_listen_socket.h" |
| |
| #if defined(OS_WIN) |
| // winsock2.h must be included first in order to ensure it is included before |
| // windows.h. |
| #include <winsock2.h> |
| #elif defined(OS_POSIX) |
| #include <arpa/inet.h> |
| #include <errno.h> |
| #include <netinet/in.h> |
| #include <sys/socket.h> |
| #include <sys/types.h> |
| #include "net/base/net_errors.h" |
| #endif |
| |
| #include "base/logging.h" |
| #include "base/sys_byteorder.h" |
| #include "base/threading/platform_thread.h" |
| #include "build/build_config.h" |
| #include "net/base/net_util.h" |
| #include "net/base/winsock_init.h" |
| #include "net/socket/socket_descriptor.h" |
| |
| using std::string; |
| |
| namespace net { |
| |
| // static |
| scoped_ptr<TCPListenSocket> TCPListenSocket::CreateAndListen( |
| const string& ip, int port, StreamListenSocket::Delegate* del) { |
| SocketDescriptor s = CreateAndBind(ip, port); |
| if (s == kInvalidSocket) |
| return scoped_ptr<TCPListenSocket>(); |
| scoped_ptr<TCPListenSocket> sock(new TCPListenSocket(s, del)); |
| sock->Listen(); |
| return sock.Pass(); |
| } |
| |
| TCPListenSocket::TCPListenSocket(SocketDescriptor s, |
| StreamListenSocket::Delegate* del) |
| : StreamListenSocket(s, del) { |
| } |
| |
| TCPListenSocket::~TCPListenSocket() {} |
| |
| SocketDescriptor TCPListenSocket::CreateAndBind(const string& ip, int port) { |
| SocketDescriptor s = CreatePlatformSocket(AF_INET, SOCK_STREAM, IPPROTO_TCP); |
| if (s != kInvalidSocket) { |
| #if defined(OS_POSIX) |
| // Allow rapid reuse. |
| static const int kOn = 1; |
| setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &kOn, sizeof(kOn)); |
| #endif |
| sockaddr_in addr; |
| memset(&addr, 0, sizeof(addr)); |
| addr.sin_family = AF_INET; |
| addr.sin_addr.s_addr = inet_addr(ip.c_str()); |
| addr.sin_port = base::HostToNet16(port); |
| if (bind(s, reinterpret_cast<sockaddr*>(&addr), sizeof(addr))) { |
| #if defined(OS_WIN) |
| closesocket(s); |
| #elif defined(OS_POSIX) |
| close(s); |
| #endif |
| LOG(ERROR) << "Could not bind socket to " << ip << ":" << port; |
| s = kInvalidSocket; |
| } |
| } |
| return s; |
| } |
| |
| SocketDescriptor TCPListenSocket::CreateAndBindAnyPort(const string& ip, |
| int* port) { |
| SocketDescriptor s = CreateAndBind(ip, 0); |
| if (s == kInvalidSocket) |
| return kInvalidSocket; |
| sockaddr_in addr; |
| socklen_t addr_size = sizeof(addr); |
| bool failed = getsockname(s, reinterpret_cast<struct sockaddr*>(&addr), |
| &addr_size) != 0; |
| if (addr_size != sizeof(addr)) |
| failed = true; |
| if (failed) { |
| LOG(ERROR) << "Could not determine bound port, getsockname() failed"; |
| #if defined(OS_WIN) |
| closesocket(s); |
| #elif defined(OS_POSIX) |
| close(s); |
| #endif |
| return kInvalidSocket; |
| } |
| *port = base::NetToHost16(addr.sin_port); |
| return s; |
| } |
| |
| void TCPListenSocket::Accept() { |
| SocketDescriptor conn = AcceptSocket(); |
| if (conn == kInvalidSocket) |
| return; |
| scoped_ptr<TCPListenSocket> sock( |
| new TCPListenSocket(conn, socket_delegate_)); |
| // It's up to the delegate to AddRef if it wants to keep it around. |
| #if defined(OS_POSIX) |
| sock->WatchSocket(WAITING_READ); |
| #endif |
| socket_delegate_->DidAccept(this, sock.PassAs<StreamListenSocket>()); |
| } |
| |
| TCPListenSocketFactory::TCPListenSocketFactory(const string& ip, int port) |
| : ip_(ip), |
| port_(port) { |
| } |
| |
| TCPListenSocketFactory::~TCPListenSocketFactory() {} |
| |
| scoped_ptr<StreamListenSocket> TCPListenSocketFactory::CreateAndListen( |
| StreamListenSocket::Delegate* delegate) const { |
| return TCPListenSocket::CreateAndListen(ip_, port_, delegate) |
| .PassAs<StreamListenSocket>(); |
| } |
| |
| } // namespace net |