diff options
Diffstat (limited to 'apps/JAWS/PROTOTYPE/JAWS/Concurrency.cpp')
-rw-r--r-- | apps/JAWS/PROTOTYPE/JAWS/Concurrency.cpp | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/apps/JAWS/PROTOTYPE/JAWS/Concurrency.cpp b/apps/JAWS/PROTOTYPE/JAWS/Concurrency.cpp deleted file mode 100644 index c0108703b21..00000000000 --- a/apps/JAWS/PROTOTYPE/JAWS/Concurrency.cpp +++ /dev/null @@ -1,177 +0,0 @@ -// $Id$ - -#include "JAWS/Concurrency.h" -#include "JAWS/IO_Handler.h" -#include "JAWS/Pipeline.h" -#include "JAWS/Pipeline_Tasks.h" -#include "JAWS/Policy.h" -#include "JAWS/Data_Block.h" - -JAWS_Concurrency_Base::JAWS_Concurrency_Base (void) -{ -} - -int -JAWS_Concurrency_Base::put (ACE_Message_Block *mb, ACE_Time_Value *tv) -{ - return this->putq (mb, tv); -} - -int -JAWS_Concurrency_Base::svc (void) -{ - int result = 0; - - for (;;) - { - ACE_Message_Block *mb; // The message queue element - - JAWS_Data_Block *db; // Contains the task list - JAWS_Dispatch_Policy *policy; // Contains task policies - JAWS_IO_Handler *handler; // Keeps the state of the task - JAWS_Pipeline_Handler *task; // The task itself - - // At this point we could set a timeout value so that the - // threading strategy can delete a thread if there is nothing to - // do. Carefully think how to implement it so you don't leave - // yourself with 0 threads. - result = this->getq (mb); - - // Use a NULL message block to indicate that the thread should shut - // itself down - if (result == -1 || mb == 0) - break; - - db = ACE_dynamic_cast (JAWS_Data_Block *, mb->data_block ()); - policy = db->policy (); - - // Each time we iterate, we create a handler to maintain - // our state for us. - handler = policy->ioh_factory ()->create_io_handler (); - if (handler == 0) - { - ACE_DEBUG ((LM_DEBUG, "JAWS_Server::open, can't create handler\n")); - return -1; - } - - // Set the initial task in the handler - handler->task (db->task ()); - - // Thread specific message block - JAWS_Data_Block ts_db; - ACE_Message_Block ts_mb (&ts_db); - - ts_db.task (db->task ()); - ts_db.policy (db->policy ()); - ts_db.io_handler (handler); - - do - { - // handler maintains the state of the protocol - task = handler->task (); - - // Use a NULL task to make the thread recycle now - if (task == 0) - break; - - // the task should set the handler to the appropriate next step - result = task->put (&ts_mb); - - if (result == 1) - { - ACE_TRACE (("%p\n", "JAWS_Concurrency_Base::svc, waiting")); - // need to wait for an asynchronous event - // I don't know how to do this yet, so pretend it's - // an error - - // handler = wait for completion (); - // db->io_handler (handler); - // result = 0; - result = -1; - } - - if (result == -1) - { - // definately something wrong. - ACE_ERROR ((LM_ERROR, "%p\n", "JAWS_Concurrency_Base::svc")); - break; - } - - } - while (result == 0); - - policy->ioh_factory ()->destroy_io_handler (handler); - } - - return 0; -} - -JAWS_Dispatcher::JAWS_Dispatcher (void) - : policy_(0) -{ -} - -int -JAWS_Dispatcher::dispatch (ACE_Message_Block *mb) -{ - return this->policy ()->concurrency ()->put (mb); -} - -JAWS_Dispatch_Policy * -JAWS_Dispatcher::policy (void) -{ - return this->policy_; -} - -JAWS_Dispatch_Policy * -JAWS_Dispatcher::policy (JAWS_Dispatch_Policy *p) -{ - this->policy_ = p; - return this->policy_; -} - -int -JAWS_Thread_Pool_Task::open (long flags, int nthreads, int maxthreads) -{ - this->nthreads_ = nthreads; - this->maxthreads_ = maxthreads; - - if (this->activate (flags, nthreads) == -1) - ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "JAWS_Thread_Pool_Task::activate"), - -1); - - return 0; -} - -int -JAWS_Thread_Per_Task::open (long flags, int maxthreads) -{ - this->flags_ = flags; - this->maxthreads_ = maxthreads; - return 0; -} - -int -JAWS_Thread_Per_Task::put (ACE_Message_Block *mb, ACE_Time_Value *tv) -{ - const int force_active = 1; - const int nthreads = 1; - - if (this->activate (this->flags_, nthreads, force_active) == -1) - ACE_ERROR_RETURN ((LM_ERROR, "%p\n", "JAWS_Thread_Pool_Task::activate"), - -1); - - this->putq (mb, tv); - - return 0; -} - -#if defined (ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION) -template class ACE_Singleton<JAWS_Dispatcher, ACE_SYNCH_MUTEX>; -template class ACE_Singleton<JAWS_Thread_Pool_Task, ACE_SYNCH_MUTEX>; -template class ACE_Singleton<JAWS_Thread_Per_Task, ACE_SYNCH_MUTEX>; -#elif defined (ACE_HAS_TEMPLATE_INSTANTIATION_PRAGMA) -#pragma instantiate ACE_Singleton<JAWS_Dispatcher, ACE_SYNCH_MUTEX> -#pragma instantiate ACE_Singleton<JAWS_Thread_Pool_Task, ACE_SYNCH_MUTEX> -#pragma instantiate ACE_Singleton<JAWS_Thread_Per_Task, ACE_SYNCH_MUTEX> -#endif /* ACE_HAS_EXPLICIT_TEMPLATE_INSTANTIATION */ |