78 lines
2.1 KiB
C++
78 lines
2.1 KiB
C++
/*
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* Copyright (C) 2011 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "TcpStream.h"
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#include "emugl/common/sockets.h"
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#ifndef _WIN32
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#else
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#include <ws2tcpip.h>
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#endif
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#define LISTEN_BACKLOG 4
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TcpStream::TcpStream(size_t bufSize) : SocketStream(bufSize) {}
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TcpStream::TcpStream(int sock, size_t bufSize) :
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SocketStream(sock, bufSize) {
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// disable Nagle algorithm to improve bandwidth of small
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// packets which are quite common in our implementation.
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emugl::socketTcpDisableNagle(sock);
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}
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int TcpStream::listen(char addrstr[MAX_ADDRSTR_LEN]) {
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m_sock = emugl::socketTcpLoopbackServer(0, SOCK_STREAM);
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if (!valid())
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return int(ERR_INVALID_SOCKET);
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int port = emugl::socketGetPort(m_sock);
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if (port < 0) {
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::close(m_sock);
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return int(ERR_INVALID_SOCKET);
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}
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snprintf(addrstr, MAX_ADDRSTR_LEN - 1, "%hu", port);
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addrstr[MAX_ADDRSTR_LEN-1] = '\0';
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return 0;
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}
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SocketStream * TcpStream::accept() {
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int clientSock = emugl::socketAccept(m_sock);
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if (clientSock < 0)
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return NULL;
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return new TcpStream(clientSock, m_bufsize);
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}
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int TcpStream::connect(const char* addr) {
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int port = atoi(addr);
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m_sock = emugl::socketTcpLoopbackClient(port, SOCK_STREAM);
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return valid() ? 0 : -1;
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}
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int TcpStream::connect(const char* hostname, unsigned short port)
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{
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m_sock = emugl::socketTcpClient(hostname, port, SOCK_STREAM);
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return valid() ? 0 : -1;
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}
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