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// echo.C -*- C++ -*- socket library
// Copyright (C) 1992-1996 Gnanasekaran Swaminathan <gs4t@virginia.edu>
//
// Permission is granted to use at your own risk and distribute this software
// in source and binary forms provided the above copyright notice and this
// paragraph are preserved on all copies. This software is provided "as is"
// with no express or implied warranty.
//
// Version: 12Jan97 1.11
#include <config.h>
#include <socket++/echo.h>
#ifndef WIN32
#include <socket++/fork.h>
#endif
#include <stdlib.h>
using namespace std;
void echo::echobuf::serve_clients (int portno)
{
if (protocol_name ()) {
if (portno < 0)
sockinetbuf::bind ((unsigned long) INADDR_ANY, "echo", protocol_name ());
else if (portno <= 1024) {
sockinetbuf::bind ();
} else
sockinetbuf::bind ((unsigned long) INADDR_ANY, portno);
// act as a server now
listen (sockbuf::somaxconn);
// commit suicide when we receive SIGTERM
//but only if you're not on windows, which doesn't have forking
#ifndef WIN32
Fork::suicide_signal (SIGTERM);
#endif
for (;;) {
sockbuf s = accept ();
//!!! FIXME this is most definitely broken for windows.
#ifndef WIN32
Fork f (1, 1); // kill my children when I get terminated.
if (f.is_child ()) {
#else //win32 has no forking
{//if win32, no forking, in the main process
#endif
char buf [1024];
int rcnt;
while ((rcnt = s.read (buf, 1024)) > 0)
while (rcnt != 0) {
int wcnt = s.write (buf, rcnt);
if (wcnt == -1) throw sockerr (errno);
rcnt -= wcnt;
}
#ifndef WIN32
sleep (300);
exit (0);
#endif
}
}
}
}
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