#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>

#include <iostream>

using namespace std;

//***********************************************************************

int main (int argc, char *argv[])
{
signed short int sendto_port = 10068;
char sendto_eth[] = "168.105.15.189";

struct sockaddr_in sendto_address;
sendto_address.sin_family = AF_INET;
sendto_address.sin_port = htons(sendto_port);
sendto_address.sin_addr.s_addr = inet_addr(sendto_eth);

// The for loop gives us 10 chances to try and establish the 
// command socket...after which we give up trying to send the 
// command and return a FALSE to the calling function
for(int j = 0; j < 20; j++)
	{
	for(int i = 0; i < 10 ; i++)   
		{
		signed short int cmdSocket = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
	
		if(cmdSocket == -1) usleep(1000);
		else   
			{
			// We've connected, send the command to the DSP, close the socket,
			// and then break out of the loop
			
			unsigned char cmd_len = 6;
			unsigned char cmd[cmd_len];
		
			unsigned int t = time(NULL);
			
			cmd[0] = 0xC0;
			cmd[1] = 0x01;
			cmd[2] = (unsigned char)(t>>24)&0xFF;
			cmd[3] = (unsigned char)(t>>16)&0xFF;
			cmd[4] = (unsigned char)(t>>8)&0xFF;
			cmd[5] = (unsigned char)(t&0xFF);
			
			signed short int errorCode = sendto(cmdSocket, cmd, cmd_len, 0, (struct sockaddr *)&sendto_address, sizeof(sendto_address));
			
			printf("ip: %s ", sendto_eth);
			printf("port: %d ", sendto_port);
			printf("time: %d ",t);
			for(int k = 0; k < cmd_len; k++) printf("%02X",cmd[k]);
			printf("\n");
			
			close(cmdSocket);
			break;
			}
		}
	//sleep for 1s before sending out the next time information
	sleep(1);
	}
	
return(0);
}