Florian Kaltenberger
b27a553214
ue runs again on exmimo2 (but does not connect yet) added openair0_reconfig function in exmimo2 library added sensing thread for SPECTRA in lte-softmodem (protected by #ifdef SPECTRA) added Rohde and Schwarz client git-svn-id: http://svn.eurecom.fr/openair4G/trunk@5780 818b1a75-f10b-46b9-bf7c-635c3b92a50f
147 lines
3.1 KiB
C++
147 lines
3.1 KiB
C++
#include <netdb.h>
|
|
#include <netinet/in.h>
|
|
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "TcpClient.h"
|
|
|
|
|
|
TcpClient::TcpClient()
|
|
: currentHostName( "" )
|
|
, currentPort( 0 )
|
|
, currentSocketDescr( 0 )
|
|
, serverAddress ( )
|
|
, currentHostInfo( NULL )
|
|
, clientIsConnected( false )
|
|
, receiveBufferSize( 1024 )
|
|
{
|
|
}
|
|
|
|
|
|
TcpClient::~TcpClient()
|
|
{
|
|
currentHostInfo = NULL;
|
|
}
|
|
|
|
|
|
void TcpClient::connectToServer( string &hostname, int port )
|
|
{
|
|
currentHostInfo = gethostbyname( hostname.c_str( ) );
|
|
|
|
if( currentHostInfo == NULL )
|
|
{
|
|
currentHostName = "";
|
|
currentPort = 0;
|
|
currentHostInfo = NULL;
|
|
clientIsConnected = false;
|
|
printf("error connecting host\n" );
|
|
}
|
|
|
|
currentHostName = hostname;
|
|
currentPort = port;
|
|
|
|
currentSocketDescr = socket(AF_INET, SOCK_STREAM, 0);
|
|
|
|
if( currentSocketDescr == 0 )
|
|
{
|
|
currentHostName = "";
|
|
currentPort = 0;
|
|
currentHostInfo = NULL;
|
|
clientIsConnected = false;
|
|
printf("can't create socket\n" );
|
|
}
|
|
|
|
serverAddress.sin_family = currentHostInfo->h_addrtype;
|
|
serverAddress.sin_port = htons( currentPort );
|
|
|
|
memcpy( (char *) &serverAddress.sin_addr.s_addr, currentHostInfo->h_addr_list[0], currentHostInfo->h_length );
|
|
|
|
if( connect( currentSocketDescr, ( struct sockaddr *) &serverAddress, sizeof( serverAddress ) ) < 0 )
|
|
{
|
|
throw string("can't connect server\n" );
|
|
}
|
|
|
|
clientIsConnected = true;
|
|
}
|
|
|
|
|
|
void TcpClient::disconnect( )
|
|
{
|
|
if( clientIsConnected )
|
|
{
|
|
close( currentSocketDescr );
|
|
}
|
|
|
|
currentSocketDescr = 0;
|
|
currentHostName = "";
|
|
currentPort = 0;
|
|
currentHostInfo = NULL;
|
|
clientIsConnected = false;
|
|
}
|
|
|
|
|
|
void TcpClient::transmit( string &txString )
|
|
{
|
|
if( !clientIsConnected )
|
|
{
|
|
throw string("connection must be established before any data can be sent\n");
|
|
}
|
|
|
|
char * transmitBuffer = new char[txString.length() +1];
|
|
|
|
|
|
memcpy( transmitBuffer, txString.c_str(), txString.length() );
|
|
transmitBuffer[txString.length()] = '\n'; //newline is needed!
|
|
|
|
if( send( currentSocketDescr, transmitBuffer, txString.length() + 1, 0 ) < 0 )
|
|
{
|
|
throw string("can't transmit data\n");
|
|
}
|
|
|
|
delete [] transmitBuffer;
|
|
|
|
}
|
|
|
|
|
|
void TcpClient::receive( string &rxString )
|
|
{
|
|
if( !clientIsConnected )
|
|
{
|
|
throw string("connection must be established before any data can be received\n");
|
|
}
|
|
|
|
char * receiveBuffer = new char[receiveBufferSize];
|
|
|
|
memset( receiveBuffer, 0, receiveBufferSize );
|
|
|
|
bool receiving = true;
|
|
while( receiving )
|
|
{
|
|
int receivedByteCount = recv( currentSocketDescr, receiveBuffer, receiveBufferSize, 0 );
|
|
if( receivedByteCount < 0 )
|
|
{
|
|
throw string("error while receiving data\n");
|
|
}
|
|
|
|
rxString += string( receiveBuffer );
|
|
|
|
receiving = ( receivedByteCount == receiveBufferSize );
|
|
}
|
|
delete [] receiveBuffer;
|
|
}
|
|
|
|
|
|
string TcpClient::getCurrentHostName( ) const
|
|
{
|
|
return currentHostName;
|
|
}
|
|
|
|
|
|
int TcpClient::getCurrentPort( ) const
|
|
{
|
|
return currentPort;
|
|
}
|
|
|
|
|