OSCClient.cpp

/*
 
 ArdOSC 2.1 - OSC Library for Arduino.
 
 -------- Lisence -----------------------------------------------------------
 
 ArdOSC
 
 The MIT License
 
 Copyright (c) 2009 - 2011 recotana( http://recotana.com )　All right reserved
 
 */



#include <stdlib.h>

#include "OSCCommon/OSCClient.h"

#include <utility/socket.h>
#include <utility/w5100.h>


OSCClient::OSCClient(void){
    _sock = MAX_SOCK_NUM;   
}

OSCClient::~OSCClient(void){
    flushSendData();
}


int16_t OSCClient::sockOpen(void){

    if ( _sock != MAX_SOCK_NUM ) return -1;
    
    for ( int i = 0 ; i < MAX_SOCK_NUM ; i++ ) {
        uint8_t s = W5100.readSnSR(i);
        if ( s == SnSR::CLOSED || s == SnSR::FIN_WAIT ) {
            _sock = i;
            break;
        }
    }
    
    if ( _sock == MAX_SOCK_NUM ) return -1;
    
	socket( _sock, SnMR::UDP , kDummyPortNumber , 0 );

    return 1;
}

void OSCClient::sockClose(void){
    
    if ( _sock == MAX_SOCK_NUM ) return;
    
    close(_sock);
    
    _sock = MAX_SOCK_NUM;

}



int16_t OSCClient::send(OSCMessage *_message){
	
    uint16_t result=0;
    
    flushSendData();
    
	_sendData = ( uint8_t*)calloc( _message->getMessageSize()  ,1 );
    
    
	if( encoder.encode( _message , _sendData ) < 0 ){
		flushSendData();
		return -1;
	}
    
    
    if( sockOpen()<0 ) return -1; //socket open check


    result = sendto( _sock , _sendData , _message->getMessageSize() , _message->getIpAddress(), _message->getPortNumber() );
 
	sockClose();
    
    flushSendData();

	return result;
    
}


void OSCClient::flushSendData(void){
    
	free(_sendData);
	_sendData=0;
    
}