//Example 4
//Client
#include "ace/OS.h"
#include "ace/SOCK_Dgram.h"
#include "ace/INET_Addr.h"

#define DATA_BUFFER_SIZE 1024
#define SIZE_DATA 28
class Client{
public:
Client(char * remote_addr,int port)
 :remote_addr_(remote_addr),
  local_addr_((u_short)0),local_(local_addr_){
    data_buf = new char[DATA_BUFFER_SIZE];
  remote_addr_.set_port_number(port);
  }
 
//Accept data from the remote host using the datgram component local_
int accept_data(){
 if(local_.recv(data_buf,SIZE_DATA,remote_addr_)!=-1){
  ACE_DEBUG((LM_DEBUG, "Data received from remote server %s
     was: %s \n" ,remote_addr_.get_host_name(), data_buf));
  return 0;
  }
 else
  return -1;
 }

//Send data to the remote. Once data has been sent wait for a reply from
//the server.
int send_data(){
 ACE_DEBUG((LM_DEBUG,"Preparing to send data to server %s:%d\n",
   remote_addr_.get_host_name(),remote_addr_.get_port_number()));
 ACE_OS::sprintf(data_buf,"Client says hello");
 
 while(local_.send
    (data_buf,ACE_OS::strlen(data_buf),remote_addr_)!=-1){
  ACE_OS::sleep(1);
  if(accept_data()==-1)
   break;
  }
  return -1;
  }

private:
 char *data_buf;
 ACE_INET_Addr remote_addr_;
 ACE_INET_Addr local_addr_;
 ACE_SOCK_Dgram local_;
};

int main(int argc, char *argv[]){
if(argc<3){
 ACE_OS::printf("Usage: Client hostname port_number \n");
 ACE_OS::exit(1);
 }
Client client(argv[1],ACE_OS::atoi(argv[2]));
client.send_data();
}
 
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