mirror of https://github.com/aria2/aria2
95 lines
3.0 KiB
C++
95 lines
3.0 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - a simple utility for downloading files faster
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* copyright --> */
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#ifndef _D_SOCKET_CORE_H_
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#define _D_SOCKET_CORE_H_
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#include <string>
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#include "common.h"
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#ifdef HAVE_LIBSSL
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// for SSL
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# include <openssl/ssl.h>
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#endif // HAVE_LIBSSL
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using namespace std;
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class SocketCore {
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friend class Socket;
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private:
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// socket endpoint descriptor
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int sockfd;
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// reference counter for this object.
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int use;
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bool secure;
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#ifdef HAVE_LIBSSL
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// for SSL
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SSL_CTX* sslCtx;
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SSL* ssl;
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#endif // HAVE_LIBSSL
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public:
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SocketCore();
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~SocketCore();
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/**
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* Connects to the server named host and the destination port is port.
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* This method make socket non-blocking mode.
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* To make the socket blocking mode, call setNonBlockingMode() after
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* the connection is established.
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*/
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void establishConnection(string host, int port);
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void setNonBlockingMode();
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// Closes the connection which this socket object has
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void closeConnection();
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// examines whether the socket of this SocketCore object is available for writing.
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// returns true if the socket is available for writing, otherwise returns false.
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bool isWritable(int timeout);
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// examines whether the socket of this SocketCore object is available for reading.
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// returns true if the socket is available for reading, otherwise returns false.
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bool isReadable(int timeout);
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// writes characters into the socket. data is a pointer pointing the first
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// byte of the data and len is the length of the data.
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void writeData(const char* data, int len, int timeout = 5);
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// Reads up to len bytes from this socket.
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// data is a pointer pointing the first
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// byte of the data, which must be allocated before this method is called.
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// len is the size of the allocated memory. When this method returns
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// successfully, len is replaced by the size of the read data.
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void readData(char* data, int& len, int timeout = 5);
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// Reads up to len bytes from this socket, but bytes are not removed from
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// this socket.
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void peekData(char* data, int& len, int timeout = 5);
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/**
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* Makes this socket secure.
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* If the system has not OpenSSL, then this method do nothing.
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*/
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void initiateSecureConnection();
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};
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#endif // _D_SOCKET_CORE_H_
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