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/*
Copyright (C) 2008 Romain Moret at Grame
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; either version 2 of the License, or
(at your option) any later version.
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; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "JackNetUnixSocket.h"
namespace Jack
{
//utility *********************************************************************************************************
int GetHostName ( char * name, int size )
{
if ( gethostname ( name, size ) == SOCKET_ERROR )
{
jack_error ( "Can't get 'hostname' : %s", strerror ( NET_ERROR_CODE ) );
strcpy ( name, "default" );
return SOCKET_ERROR;
}
return 0;
}
//construct/destruct***********************************************************************************************
JackNetUnixSocket::JackNetUnixSocket()
{
fSockfd = 0;
fPort = 0;
fSendAddr.sin_family = AF_INET;
fSendAddr.sin_addr.s_addr = htonl ( INADDR_ANY );
memset ( &fSendAddr.sin_zero, 0, 8 );
fRecvAddr.sin_family = AF_INET;
fRecvAddr.sin_addr.s_addr = htonl ( INADDR_ANY );
memset ( &fRecvAddr.sin_zero, 0, 8 );
}
JackNetUnixSocket::JackNetUnixSocket ( const char* ip, int port )
{
fSockfd = 0;
fPort = port;
fSendAddr.sin_family = AF_INET;
fSendAddr.sin_port = htons ( port );
inet_aton ( ip, &fSendAddr.sin_addr );
memset ( &fSendAddr.sin_zero, 0, 8 );
fRecvAddr.sin_family = AF_INET;
fRecvAddr.sin_port = htons ( port );
fRecvAddr.sin_addr.s_addr = htonl ( INADDR_ANY );
memset ( &fRecvAddr.sin_zero, 0, 8 );
}
JackNetUnixSocket::JackNetUnixSocket ( const JackNetUnixSocket& socket )
{
fSockfd = 0;
fPort = socket.fPort;
fSendAddr = socket.fSendAddr;
fRecvAddr = socket.fRecvAddr;
}
JackNetUnixSocket::~JackNetUnixSocket()
{
Close();
}
JackNetUnixSocket& JackNetUnixSocket::operator= ( const JackNetUnixSocket& socket )
{
if ( this != &socket )
{
fSockfd = 0;
fPort = socket.fPort;
fSendAddr = socket.fSendAddr;
fRecvAddr = socket.fRecvAddr;
}
return *this;
}
//socket***********************************************************************************************************
int JackNetUnixSocket::NewSocket()
{
if ( fSockfd )
{
Close();
Reset();
}
fSockfd = socket ( AF_INET, SOCK_DGRAM, 0 );
return fSockfd;
}
int JackNetUnixSocket::Bind()
{
return bind ( fSockfd, reinterpret_cast<socket_address_t*> ( &fRecvAddr ), sizeof ( socket_address_t ) );
}
int JackNetUnixSocket::BindWith ( const char* ip )
{
int addr_conv = inet_aton ( ip, &fRecvAddr.sin_addr );
if ( addr_conv < 0 )
return addr_conv;
return Bind();
}
int JackNetUnixSocket::BindWith ( int port )
{
fRecvAddr.sin_port = htons ( port );
return Bind();
}
int JackNetUnixSocket::Connect()
{
return connect ( fSockfd, reinterpret_cast<socket_address_t*> ( &fSendAddr ), sizeof ( socket_address_t ) );
}
int JackNetUnixSocket::ConnectTo ( const char* ip )
{
int addr_conv = inet_aton ( ip, &fSendAddr.sin_addr );
if ( addr_conv < 0 )
return addr_conv;
return Connect();
}
void JackNetUnixSocket::Close()
{
if ( fSockfd )
close ( fSockfd );
fSockfd = 0;
}
void JackNetUnixSocket::Reset()
{
fSendAddr.sin_family = AF_INET;
fSendAddr.sin_port = htons ( fPort );
fSendAddr.sin_addr.s_addr = htonl ( INADDR_ANY );
memset ( &fSendAddr.sin_zero, 0, 8 );
fRecvAddr.sin_family = AF_INET;
fRecvAddr.sin_port = htons ( fPort );
fRecvAddr.sin_addr.s_addr = htonl ( INADDR_ANY );
memset ( &fRecvAddr.sin_zero, 0, 8 );
}
bool JackNetUnixSocket::IsSocket()
{
return ( fSockfd ) ? true : false;
}
//IP/PORT***********************************************************************************************************
void JackNetUnixSocket::SetPort ( int port )
{
fPort = port;
fSendAddr.sin_port = htons ( port );
fRecvAddr.sin_port = htons ( port );
}
int JackNetUnixSocket::GetPort()
{
return fPort;
}
//address***********************************************************************************************************
int JackNetUnixSocket::SetAddress ( const char* ip, int port )
{
int addr_conv = inet_aton ( ip, &fSendAddr.sin_addr );
if ( addr_conv < 0 )
return addr_conv;
fSendAddr.sin_port = htons ( port );
return 0;
}
char* JackNetUnixSocket::GetSendIP()
{
return inet_ntoa ( fSendAddr.sin_addr );
}
char* JackNetUnixSocket::GetRecvIP()
{
return inet_ntoa ( fRecvAddr.sin_addr );
}
//utility************************************************************************************************************
int JackNetUnixSocket::GetName ( char* name )
{
return gethostname ( name, 255 );
}
int JackNetUnixSocket::JoinMCastGroup ( const char* ip )
{
struct ip_mreq multicast_req;
inet_aton ( ip, &multicast_req.imr_multiaddr );
multicast_req.imr_interface.s_addr = htonl ( INADDR_ANY );
return SetOption ( IPPROTO_IP, IP_ADD_MEMBERSHIP, &multicast_req, sizeof ( multicast_req ) );
}
//options************************************************************************************************************
int JackNetUnixSocket::SetOption ( int level, int optname, const void* optval, socklen_t optlen )
{
return setsockopt ( fSockfd, level, optname, optval, optlen );
}
int JackNetUnixSocket::GetOption ( int level, int optname, void* optval, socklen_t* optlen )
{
return getsockopt ( fSockfd, level, optname, optval, optlen );
}
//timeout************************************************************************************************************
int JackNetUnixSocket::SetTimeOut ( int us )
{
jack_log ( "JackNetUnixSocket::SetTimeout %d usecs", us );
//negative timeout, or exceding 10s, return
if ( ( us < 0 ) || ( us > 10000000 ) )
return SOCKET_ERROR;
struct timeval timeout;
//less than 1sec
if ( us < 1000000 )
{
timeout.tv_sec = 0;
timeout.tv_usec = us;
}
//more than 1sec
else
{
float sec = static_cast<float> ( us ) / 1000000.f;
timeout.tv_sec = ( int ) sec;
float usec = ( sec - static_cast<float> ( timeout.tv_sec ) ) * 1000000;
timeout.tv_usec = ( int ) usec;
}
return SetOption ( SOL_SOCKET, SO_RCVTIMEO, &timeout, sizeof ( timeout ) );
}
//local loop**********************************************************************************************************
int JackNetUnixSocket::SetLocalLoop()
{
char disable = 0;
return SetOption ( IPPROTO_IP, IP_MULTICAST_LOOP, &disable, sizeof ( disable ) );
}
//network operations**************************************************************************************************
int JackNetUnixSocket::SendTo ( const void* buffer, size_t nbytes, int flags )
{
return sendto ( fSockfd, buffer, nbytes, flags, reinterpret_cast<socket_address_t*> ( &fSendAddr ), sizeof ( socket_address_t ) );
}
int JackNetUnixSocket::SendTo ( const void* buffer, size_t nbytes, int flags, const char* ip )
{
int addr_conv = inet_aton ( ip, &fSendAddr.sin_addr );
if ( addr_conv < 1 )
return addr_conv;
return SendTo ( buffer, nbytes, flags );
}
int JackNetUnixSocket::Send ( const void* buffer, size_t nbytes, int flags )
{
return send ( fSockfd, buffer, nbytes, flags );
}
int JackNetUnixSocket::RecvFrom ( void* buffer, size_t nbytes, int flags )
{
socklen_t addr_len = sizeof ( socket_address_t );
return recvfrom ( fSockfd, buffer, nbytes, flags, reinterpret_cast<socket_address_t*> ( &fRecvAddr ), &addr_len );
}
int JackNetUnixSocket::Recv ( void* buffer, size_t nbytes, int flags )
{
return recv ( fSockfd, buffer, nbytes, flags );
}
int JackNetUnixSocket::CatchHost ( void* buffer, size_t nbytes, int flags )
{
socklen_t addr_len = sizeof ( socket_address_t );
return recvfrom ( fSockfd, buffer, nbytes, flags, reinterpret_cast<socket_address_t*> ( &fSendAddr ), &addr_len );
}
net_error_t JackNetUnixSocket::GetError()
{
switch ( errno )
{
case EAGAIN:
return NET_NO_DATA;
case ECONNABORTED:
return NET_CONN_ERROR;
case EINVAL:
return NET_CONN_ERROR;
case ECONNREFUSED:
return NET_CONN_ERROR;
case ECONNRESET:
return NET_CONN_ERROR;
case EHOSTDOWN:
return NET_CONN_ERROR;
case EHOSTUNREACH:
return NET_CONN_ERROR;
default:
return NET_OP_ERROR;
}
}
}
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