simgear/simgear/io/raw_socket.hxx
James Turner b8d07cc460 Fixes for error handling in NetChannel
- return the correct errno value instead of using -1
2016-03-01 12:34:56 +00:00

115 lines
3.0 KiB
C++

/*
simgear::Socket, adapted from PLIB netSocket by James Turner
Copyright (C) 2010 James Turner
PLIB - A Suite of Portable Game Libraries
Copyright (C) 1998,2002 Steve Baker
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#ifndef SG_IO_SOCKET_HXX
#define SG_IO_SOCKET_HXX
//#include <errno.h>
//#if defined(__APPLE__) || defined(__FreeBSD__)
//# include <netinet/in.h>
//#endif
struct sockaddr_in;
struct sockaddr;
namespace simgear
{
/*
* Socket address, internet style.
*/
class IPAddress
{
mutable struct sockaddr_in* addr;
public:
IPAddress () : addr(0) {}
IPAddress ( const char* host, int port ) ;
~IPAddress();
static bool lookupNonblocking(const char* host, IPAddress& addr);
IPAddress( const IPAddress& other );
const IPAddress& operator=(const IPAddress& other);
bool isValid () const;
void set ( const char* host, int port ) ;
const char* getHost () const ;
unsigned int getPort() const ;
void setPort(int port);
unsigned int getIP () const ;
unsigned int getFamily () const ;
static const char* getLocalHost () ;
bool getBroadcast () const ;
unsigned int getAddrLen() const;
sockaddr* getAddr() const;
};
/*
* Socket type
*/
class Socket
{
int handle ;
public:
Socket () ;
virtual ~Socket () ;
static int initSockets();
int getHandle () const { return handle; }
void setHandle (int handle) ;
bool open ( bool stream=true ) ;
void close ( void ) ;
int bind ( const char* host, int port ) ;
int listen ( int backlog ) ;
int accept ( IPAddress* addr ) ;
int connect ( const char* host, int port ) ;
int connect ( IPAddress* addr ) ;
int send ( const void * buffer, int size, int flags = 0 ) ;
int sendto ( const void * buffer, int size, int flags, const IPAddress* to ) ;
int recv ( void * buffer, int size, int flags = 0 ) ;
int recvfrom ( void * buffer, int size, int flags, IPAddress* from ) ;
void setBlocking ( bool blocking ) ;
void setBroadcast ( bool broadcast ) ;
static bool isNonBlockingError () ;
static int errorNumber();
static int select ( Socket** reads, Socket** writes, int timeout ) ;
} ;
//const char* netFormat ( const char* fmt, ... ) ;
} // of namespace simgear
#endif // SG_IO_SOCKET_HXX