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// -*- c++ -*-
//------------------------------------------------------------------------------
// $Id: bytereader.cpp,v 1.8 2006/07/23 02:26:45 vlg Exp $
//------------------------------------------------------------------------------
//
// Author: Vladislav Grinchenko
// Date: May 29 2001
//
//------------------------------------------------------------------------------
static const char help_msg[]=
"----------------------------------------------------------------------------\n"
" NAME: \n"
" \n"
" bytereader \n"
" \n"
" DESCRIPTION: \n"
" \n"
" Read bytes from the connected application and display them to stdout. \n"
" Option {-p, --port NAME} defines listening port name to be used. \n"
" \n"
" USAGE: \n"
" \n"
" shell> bytereader [OPTIONS] \n"
" \n"
" OPTIONS: \n"
" \n"
" -b, --daemon BOOL - run process as true UNIX daemon \n"
" -d, --log-stdout BOOL - write debug to standard output \n"
" -D, --log-file NAME - write debug to NAME file \n"
" -h, --help - print this message \n"
" -m, --mask MASK - mask (default: DBG_ALL = 0x7fffffff) \n"
" -p, --port NAME - tcp/ip port NAME (default - procname) \n"
" -v, --version - print version number \n"
" -z, --log-size NUM - maximum size debug file can reach (default: 10Mb) \n"
"----------------------------------------------------------------------------";
#include <iostream>
using namespace std;
#include "assa/Assure.h"
#include "assa/GenServer.h"
#include "assa/Singleton.h"
#include "assa/INETAddress.h"
#include "assa/IPv4Socket.h"
#include "assa/Reactor.h"
#include "assa/ServiceHandler.h"
#include "assa/Acceptor.h"
using namespace ASSA;
/*-- BTREADER ----------------------------------------------------------------*/
class BTReader : public ServiceHandler<IPv4Socket>
{
public:
BTReader (IPv4Socket*);
~BTReader ();
virtual int open (void);
virtual int handle_read (int);
virtual int handle_close (int);
private:
static unsigned int m_count;
};
unsigned int BTReader::m_count = 0;
/*-- BYTEREADER --------------------------------------------------------------*/
class ByteReader :
public GenServer,
public Singleton<ByteReader>
{
public:
ByteReader ();
~ByteReader ();
virtual void init_service ();
virtual void process_events ();
private:
Acceptor<BTReader, IPv4Socket>* m_acceptor;
};
ASSA_DECL_SINGLETON(ByteReader);
/*-- BTREADER'S MEMBER FUNCTIONS ---------------------------------------------*/
BTReader::BTReader (IPv4Socket* my_socket_) :
ServiceHandler<IPv4Socket>(my_socket_)
{
trace("BTReader::BTReader");
}
BTReader::~BTReader ()
{
trace("BTReader::~BTReader");
}
int
BTReader::open (void)
{
trace("BTReader::open");
if (BTReader::m_count != 0) {
return -1;
}
IPv4Socket& s = *this;
ByteReader::get_instance()->get_reactor()->
registerIOHandler (this, s.getHandler(), READ_EVENT);
BTReader::m_count++;
return 0;
}
int
BTReader::handle_read (int fd_)
{
trace("BTReader::handle_read");
IPv4Socket& s = *this;
if (s.getHandler () != fd_) return -1;
char buf[81];
register int len;
while ((len = s.read (buf, 80)) > 0)
{
buf[len] = '\0';
cout << buf;
}
cout << flush;
return BYTES_LEFT_IN_SOCKBUF(s);
}
int
BTReader::handle_close (int fd_)
{
trace("BTReader::handle_close");
BTReader::m_count--;
delete this;
return 0;
}
/*-- BYTESUCKER'S MEMBER FUNCTIONS -------------------------------------------*/
ByteReader::ByteReader ()
{
trace("ByteReader::ByteReader");
rm_opt ('f', "config-file");
rm_opt ('n', "instance");
rm_opt ('s', "set-name");
rm_opt ('t', "comm-timeout");
m_mask = 0;
}
ByteReader::~ByteReader ()
{
trace("ByteReader::~ByteReader");
if (m_acceptor != NULL) {
m_acceptor->close ();
delete m_acceptor;
m_acceptor = NULL;
}
}
void
ByteReader::init_service ()
{
trace("ByteReader::init_service");
m_acceptor = new Acceptor<BTReader, IPv4Socket> (get_reactor ());
INETAddress listening_address (get_port ().c_str ());
Assure_exit (!listening_address.bad ());
Assure_exit (m_acceptor->open (listening_address) == 0);
}
void
ByteReader::process_events ()
{
trace("ByteReader::process_events");
while (service_is_active ()) {
get_reactor ()->waitForEvents ();
}
}
int main (int argc, char* argv[])
{
trace(argv[0]);
static const char release[] = "0.0.1";
int patch_level = 0;
ByteReader& server = *ByteReader::get_instance ();
server.set_version (release, patch_level);
server.set_author ("Vladislav Grinchenko");
server.init (&argc, argv, help_msg);
server.init_service ();
server.process_events ();
return 0;
}
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