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-rw-r--r--docs/tutorials/007/client_handler.cpp230
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diff --git a/docs/tutorials/007/client_handler.cpp b/docs/tutorials/007/client_handler.cpp
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--- a/docs/tutorials/007/client_handler.cpp
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@@ -1,230 +0,0 @@
-
-// $Id$
-
-/*
- Since this is the third time we've seen most of this, I'm going to strip out almost
- all of the comments that you've already seen. That way, you can concentrate on the
- new items.
- */
-
-#include "client_acceptor.h"
-#include "client_handler.h"
-
-/*
- We're going to be registering and unregistering a couple of times. To make sure that
- we use the same flags every time, I've created these handy macros.
- */
-#define REGISTER_MASK ACE_Event_Handler::READ_MASK
-#define REMOVE_MASK (ACE_Event_Handler::READ_MASK | ACE_Event_Handler::DONT_CALL)
-
-/*
- Our constructor still doesn't really do anything. We simply initialize the acceptor
- pointer to "null" and get our current thread id. The static self() method of ACE_Thread
- will return you a thread id native to your platform.
- */
-Client_Handler::Client_Handler (void)
- : client_acceptor_(0)
- ,creator_(ACE_Thread::self())
-{
-}
-
-Client_Handler::~Client_Handler (void)
-{
-}
-
-/*
- Query our acceptor for the concurrency strategy. Notice that we don't bother
- to check that our acceptor pointer is valid. That is proably a bad idea...
- */
-int Client_Handler::concurrency(void)
-{
- return this->client_acceptor()->concurrency();
-}
-
-/*
- And here we ask the acceptor about the thread pool.
- */
-Thread_Pool * Client_Handler::thread_pool(void)
-{
- return this->client_acceptor()->thread_pool();
-}
-
-/*
- The destroy() method hasn't changed since we wrote it back in Tutorial 5.
- */
-void Client_Handler::destroy (void)
-{
- this->peer ().close ();
-
- this->reactor ()->remove_handler (this, REMOVE_MASK );
-
- delete this;
-}
-
-/*
- Back to our open() method. This is straight out of Tutorial 6. There's
- nothing additional here for the thread-pool implementation.
- */
-int Client_Handler::open (void *_acceptor)
-{
- client_acceptor( (Client_Acceptor *) _acceptor );
-
- if( concurrency() == Client_Acceptor::thread_per_connection_ )
- {
- return this->activate();
- }
-
- this->reactor (client_acceptor()->reactor ());
-
- ACE_INET_Addr addr;
-
- if (this->peer ().get_remote_addr (addr) == -1)
- {
- return -1;
- }
-
- if (this->reactor ()->register_handler (this, REGISTER_MASK) == -1)
- {
- ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) can't register with reactor\n"), -1);
- }
-
- ACE_DEBUG ((LM_DEBUG, "(%P|%t) connected with %s\n", addr.get_host_name ()));
-
- return 0;
-}
-
-/*
- As mentioned in the header, the typical way to close an object in a threaded
- context is to invoke it's close() method. Since we already have a handle_close()
- method built to cleanup after us, we'll just forward the request on to that
- object.
- */
-int Client_Handler::close(u_long flags)
-{
- this->handle_close(ACE_INVALID_HANDLE,0);
-
- /*
- After we've taken care of ourselves, call the baseclass method
- to do any other necessary cleanup.
- */
- return inherited::close();
-}
-
-/*
- In the open() method, we registered with the reactor and requested to be
- notified when there is data to be read. When the reactor sees that activity
- it will invoke this handle_input() method on us. As I mentioned, the _handle
- parameter isn't useful to us but it narrows the list of methods the reactor
- has to worry about and the list of possible virtual functions we would have
- to override.
-
- You've read that much before... Now we have to do some extra stuff in case
- we're using the thread-pool implementation. If we're called by our creator
- thread then we must be in the reactor. In that case, we arrange to be put
- into the thread pool. If we're not in the creator thread then we must be
- in the thread pool and we can do some work.
- */
-int Client_Handler::handle_input (ACE_HANDLE _handle)
-{
- ACE_UNUSED_ARG (_handle);
-
- /*
- Check our strategy. If we're using the thread pool and we're in the creation
- thread then we know we were called by the reactor.
- */
- if( concurrency() == Client_Acceptor::thread_pool_ )
- {
- if( ACE_Thread::self() == creator_ )
- {
- /*
- Remove ourselves from the reactor and ask to be put into the thread pool's
- queue of work. (You should be able to use suspend_handler() but I've had
- problems with that.)
- */
- this->reactor()->remove_handler( this, REMOVE_MASK );
- return this->thread_pool()->enqueue(this);
- }
- }
-
- /*
- Any strategy other than thread-per-connection will eventually get here. If we're in the
- single-threaded implementation or the thread-pool, we still have to pass this way.
- */
-
- char buf[128];
- memset (buf, 0, sizeof (buf));
-
- /*
- Invoke the process() method to do the work but save it's return value instead
- of returning it immediately.
- */
-
- int rval = this->process(buf,sizeof(buf));
-
- /*
- Now, we look again to see if we're in the thread-pool implementation. If so then we
- need to re-register ourselves with the reactor so that we can get more work when it
- is available. (If suspend_handler() worked then we would use resume_handler() here.)
- */
- if( concurrency() == Client_Acceptor::thread_pool_ )
- {
- if( rval != -1 )
- {
- this->reactor()->register_handler( this, REGISTER_MASK );
- }
- }
-
- /*
- Return the result of process()
- */
- return(rval);
-}
-
-int Client_Handler::handle_close (ACE_HANDLE _handle, ACE_Reactor_Mask _mask)
-{
- ACE_UNUSED_ARG (_handle);
- ACE_UNUSED_ARG (_mask);
-
- this->destroy ();
- return 0;
-}
-
-/*
- Remember that when we leave our svc() method, the framework will take care
- of calling our close() method so that we can cleanup after ourselves.
- */
-int Client_Handler::svc(void)
-{
- char buf[128];
- memset (buf, 0, sizeof (buf));
-
- while( 1 )
- {
- if( this->process(buf,sizeof(buf)) == -1 )
- {
- return(-1);
- }
- }
-
- return(0);
-}
-
-/*
- Once again, we see that the application-level logic has not been at all affected
- by our choice of threading models. Of course, I'm not sharing data between threads
- or anything. We'll leave locking issues for a later tutorial.
- */
-int Client_Handler::process (char *_rdbuf, int _rdbuf_len)
-{
- switch (this->peer ().recv (_rdbuf, _rdbuf_len))
- {
- case -1:
- ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) %p bad read\n", "client"), -1);
- case 0:
- ACE_ERROR_RETURN ((LM_ERROR, "(%P|%t) closing daemon (fd = %d)\n", this->get_handle ()), -1);
- default:
- ACE_DEBUG ((LM_DEBUG, "(%P|%t) from client: %s", _rdbuf));
- }
-
- return 0;
-}