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// Copyright (C) 2003 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#ifndef DLIB_SERVER_KERNEl_C_
#define DLIB_SERVER_KERNEl_C_
#include "server_kernel_abstract.h"
#include "../algs.h"
#include "../assert.h"
#include <string>
#include <sstream>
namespace dlib
{
template <
typename server_base
>
class server_kernel_c : public server_base
{
public:
void start (
);
void set_listening_port (
int port
);
void set_listening_ip (
const std::string& ip
);
void set_max_connections (
int max
);
private:
bool is_dotted_quad (
std::string ip
) const;
/*!
ensures
returns true if ip is a valid dotted quad ip address else
returns false
!*/
};
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
// member function definitions
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
template <
typename server_base
>
void server_kernel_c<server_base>::
start (
)
{
// make sure requires clause is not broken
DLIB_CASSERT(
this->is_running() == false,
"\tvoid server::start"
<< "\n\tis_running() == " << this->is_running()
<< "\n\tthis: " << this
);
// call the real function
server_base::start();
}
// ----------------------------------------------------------------------------------------
template <
typename server_base
>
void server_kernel_c<server_base>::
set_max_connections (
int max
)
{
// make sure requires clause is not broken
DLIB_CASSERT(
max >= 0 ,
"\tvoid server::set_max_connections"
<< "\n\tmax == " << max
<< "\n\tthis: " << this
);
// call the real function
server_base::set_max_connections(max);
}
// ----------------------------------------------------------------------------------------
template <
typename server_base
>
void server_kernel_c<server_base>::
set_listening_port (
int port
)
{
// make sure requires clause is not broken
DLIB_CASSERT(
( port >= 0 &&
this->is_running() == false ),
"\tvoid server::set_listening_port"
<< "\n\tport == " << port
<< "\n\tis_running() == " << this->is_running()
<< "\n\tthis: " << this
);
// call the real function
server_base::set_listening_port(port);
}
// ----------------------------------------------------------------------------------------
template <
typename server_base
>
void server_kernel_c<server_base>::
set_listening_ip (
const std::string& ip
)
{
// make sure requires clause is not broken
DLIB_CASSERT(
( ( is_dotted_quad(ip) || ip == "" ) &&
this->is_running() == false ),
"\tvoid server::set_listening_ip"
<< "\n\tip == " << ip
<< "\n\tis_running() == " << this->is_running()
<< "\n\tthis: " << this
);
// call the real function
server_base::set_listening_ip(ip);
}
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
// private member function definitions
// ----------------------------------------------------------------------------------------
// ----------------------------------------------------------------------------------------
template <
typename server_base
>
bool server_kernel_c<server_base>::
is_dotted_quad (
std::string ip
) const
{
int num;
char dot;
std::istringstream sin(ip);
for (int i = 0; i < 3; ++i)
{
sin >> num; if (!sin) return false;
if (num < 0 || num > 255)
return false;
sin >> dot; if (!sin) return false;
if (dot != '.')
return false;
}
sin >> num; if (!sin) return false;
if (num < 0 || num > 255)
return false;
if (sin.get() != EOF)
return false;
return true;
}
// ----------------------------------------------------------------------------------------
}
#endif // DLIB_SERVER_KERNEl_C_
|
