// Simple multi-threaded database server example. #include "ace/OS_NS_stdio.h" #include "ace/TLI_Acceptor.h" #include "ace/Thread_Manager.h" #if defined (ACE_HAS_THREADS) && defined (ACE_HAS_TLI) // Global thread manager. ACE_Thread_Manager thr_mgr; void * lookup_name (ACE_HANDLE handle) { enum { MAXLINE = 255, EMPNAMELEN = 512 }; static struct { int emp_id; const char *emp_name; } employee_db[] = { {123, "John Wayne Bobbit"}, {124, "Woody Allen"}, {125, "O. J. Simpson"}, {126, "Bill Clinton"}, {127, "Rush Limbaugh"}, {128, "Michael Jackson"}, {129, "Kenneth Starr"}, {130, "Paula Jones"}, {131, "Monica Lewinsky"}, {132, "Marv Albert"}, {0, ""} }; int flags; int employee_id; int index; int found; ACE_TLI_Stream stream; char recvline[MAXLINE]; char sendline[MAXLINE]; ACE_DEBUG ((LM_DEBUG, "stream handle = %d, thread id = %t\n", handle)); stream.set_handle (handle); ssize_t n = stream.recv (recvline, MAXLINE, &flags); if (n == -1) ACE_OS::t_error ("stream.recv error"); employee_id = ACE_OS::atoi (recvline); found = 0; for (index = 0; found == 0 && employee_db[index].emp_id; index++) if (employee_id == employee_db[index].emp_id) { found = 1; n = ACE_OS::sprintf (sendline, "%s", employee_db[index].emp_name); } if (found == 0) n = ACE_OS::sprintf (sendline, "%s", "ERROR"); if (stream.send (sendline, n + 1, 0) == -1) ACE_OS::t_error ("stream.send error"); if (stream.sndrel () == -1) ACE_OS::t_error ("stream.send error"); if (stream.close () == -1) ACE_OS::t_error ("stream.close error"); return 0; } int ACE_TMAIN (int argc, ACE_TCHAR *argv[]) { u_short port = argc > 1 ? ACE_OS::atoi (argv[1]) : ACE_DEFAULT_SERVER_PORT; ACE_INET_Addr l_addr (port); ACE_TLI_Acceptor server (l_addr, 1); // Create server, reuse addr if in use. ACE_TLI_Stream new_stream; // Wait for a connection from a client. This is an example of a // concurrent server. for (;;) { if (server.accept (new_stream) == -1) ACE_OS::t_error ("server.accept error"); if (thr_mgr.spawn (ACE_THR_FUNC (lookup_name), (void *) new_stream.get_handle (), THR_DETACHED) == -1) ACE_DEBUG ((LM_ERROR, "server: can't create worker thread %d\n")); } ACE_NOTREACHED (return 0); } #else #include int ACE_TMAIN (int, ACE_TCHAR *[]) { ACE_ERROR_RETURN ((LM_ERROR, "platform isn't configured to support TLI\n"), 1); } #endif /* ACE_HAS_THREADS */