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https://github.com/workinghard/Cube4Fun.git
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81 lines
1.8 KiB
C++
Executable File
81 lines
1.8 KiB
C++
Executable File
/*
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TCPStream.h
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TCPStream class definition. TCPStream provides methods to trasnfer
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data between peers over a TCP/IP connection.
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------------------------------------------
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Copyright © 2013 [Vic Hargrave - http://vichargrave.com]
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 <arpa/inet.h>
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#include "tcpstream.h"
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TCPStream::TCPStream(int sd, struct sockaddr_in* address) : m_sd(sd) {
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char ip[50];
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inet_ntop(PF_INET, (struct in_addr*)&(address->sin_addr.s_addr), ip, sizeof(ip)-1);
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m_peerIP = ip;
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m_peerPort = ntohs(address->sin_port);
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}
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TCPStream::~TCPStream()
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{
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close(m_sd);
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}
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ssize_t TCPStream::send(const char* buffer, size_t len)
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{
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return write(m_sd, buffer, len);
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}
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ssize_t TCPStream::receive(char* buffer, size_t len, int timeout)
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{
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if (timeout <= 0) return read(m_sd, buffer, len);
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if (waitForReadEvent(timeout) == true)
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{
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return read(m_sd, buffer, len);
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}
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return connectionTimedOut;
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}
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string TCPStream::getPeerIP()
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{
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return m_peerIP;
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}
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int TCPStream::getPeerPort()
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{
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return m_peerPort;
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}
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bool TCPStream::waitForReadEvent(int timeout)
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{
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fd_set sdset;
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struct timeval tv;
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tv.tv_sec = timeout;
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tv.tv_usec = 0;
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FD_ZERO(&sdset);
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FD_SET(m_sd, &sdset);
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if (select(m_sd+1, &sdset, NULL, NULL, &tv) > 0)
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{
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return true;
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}
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return false;
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}
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