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/*
Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301 USA.
*/
/* The socket wrapper header defines a Socket class that hides the differences
* between Berkely style sockets and Windows sockets, allowing transparent TCP
* access.
*/
#ifndef yaSSL_SOCKET_WRAPPER_HPP
#define yaSSL_SOCKET_WRAPPER_HPP
#ifdef _WIN32
#include <winsock2.h>
#else
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <unistd.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#endif
namespace yaSSL {
typedef unsigned int uint;
#ifdef _WIN32
typedef SOCKET socket_t;
#else
typedef int socket_t;
const socket_t INVALID_SOCKET = -1;
const int SD_RECEIVE = 0;
const int SD_SEND = 1;
const int SD_BOTH = 2;
const int SOCKET_ERROR = -1;
#endif
extern "C" {
#include "openssl/transport_types.h"
}
typedef unsigned char byte;
// Wraps Windows Sockets and BSD Sockets
class Socket {
socket_t socket_; // underlying socket descriptor
bool wouldBlock_; // if non-blocking data, for last read
bool nonBlocking_; // is option set
void *ptr_; // Argument to transport function
yaSSL_send_func_t send_func_; // Function to send data
yaSSL_recv_func_t recv_func_; // Function to receive data
public:
explicit Socket(socket_t s = INVALID_SOCKET);
~Socket();
void set_fd(socket_t s);
uint get_ready() const;
socket_t get_fd() const;
void set_transport_ptr(void *ptr);
void set_transport_recv_function(yaSSL_recv_func_t recv_func);
void set_transport_send_function(yaSSL_send_func_t send_func);
uint send(const byte* buf, unsigned int len, unsigned int& sent);
uint receive(byte* buf, unsigned int len);
bool wait();
bool WouldBlock() const;
bool IsNonBlocking() const;
void closeSocket();
void shutDown(int how = SD_SEND);
static int get_lastError();
static void set_lastError(int error);
private:
Socket(const Socket&); // hide copy
Socket& operator= (const Socket&); // and assign
};
} // naemspace
#endif // yaSSL_SOCKET_WRAPPER_HPP
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