--- /dev/null
+/*
+* Copyright (C) 2011 The Android Open Source Project
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+#include "TcpStream.h"
+#include <cutils/sockets.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#ifndef _WIN32
+#include <netinet/in.h>
+#include <netinet/tcp.h>
+#else
+#include <ws2tcpip.h>
+#endif
+
+TcpStream::TcpStream(size_t bufSize) :
+ SocketStream(bufSize)
+{
+}
+
+TcpStream::TcpStream(int sock, size_t bufSize) :
+ SocketStream(sock, bufSize)
+{
+ // disable Nagle algorithm to improve bandwidth of small
+ // packets which are quite common in our implementation.
+#ifdef _WIN32
+ DWORD flag;
+#else
+ int flag;
+#endif
+ flag = 1;
+ setsockopt( sock, IPPROTO_TCP, TCP_NODELAY, (const char*)&flag, sizeof(flag) );
+}
+
+int TcpStream::listen(unsigned short port)
+{
+ m_sock = socket_loopback_server(port, SOCK_STREAM);
+ if (!valid()) return int(ERR_INVALID_SOCKET);
+
+ return 0;
+}
+
+SocketStream * TcpStream::accept()
+{
+ int clientSock = -1;
+
+ while (true) {
+ struct sockaddr_in addr;
+ socklen_t len = sizeof(addr);
+ clientSock = ::accept(m_sock, (sockaddr *)&addr, &len);
+
+ if (clientSock < 0 && errno == EINTR) {
+ continue;
+ }
+ break;
+ }
+
+ TcpStream *clientStream = NULL;
+
+ if (clientSock >= 0) {
+ clientStream = new TcpStream(clientSock, m_bufsize);
+ }
+ return clientStream;
+}
+
+int TcpStream::connect(unsigned short port)
+{
+ return connect("127.0.0.1",port);
+}
+
+int TcpStream::connect(const char* hostname, unsigned short port)
+{
+ m_sock = socket_network_client(hostname, port, SOCK_STREAM);
+ if (!valid()) return -1;
+ return 0;
+}