diff options
Diffstat (limited to 'apps/Gateway/Gateway/Thr_Channel.cpp')
| -rw-r--r-- | apps/Gateway/Gateway/Thr_Channel.cpp | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/apps/Gateway/Gateway/Thr_Channel.cpp b/apps/Gateway/Gateway/Thr_Channel.cpp deleted file mode 100644 index 26e385e2727..00000000000 --- a/apps/Gateway/Gateway/Thr_Channel.cpp +++ /dev/null @@ -1,204 +0,0 @@ -#include "Thr_Channel.h" -// $Id$ - -#include "Channel_Connector.h" - -#if defined (ACE_HAS_THREADS) -Thr_Output_Channel::Thr_Output_Channel (ROUTING_TABLE *rt, - Channel_Connector *cc, - ACE_Thread_Manager *thr_mgr, - int socket_queue_size) - : Output_Channel (rt, cc, thr_mgr, socket_queue_size) -{ -} - -// This method should be called only when the peer shuts down -// unexpectedly. This method marks the Channel as having failed and -// deactivates the ACE_Message_Queue (to wake up the thread blocked on -// <dequeue_head> in svc()). Thr_Output_Handler::handle_close () will -// eventually try to reconnect... - -int -Thr_Output_Channel::handle_input (ACE_HANDLE h) -{ - this->Output_Channel::handle_input (h); - ACE_Service_Config::reactor ()->remove_handler (h, - ACE_Event_Handler::RWE_MASK - | ACE_Event_Handler::DONT_CALL); - // Deactivate the queue while we try to get reconnected. - this->msg_queue ()->deactivate (); - return 0; -} - -// Initialize the threaded Output_Channel object and spawn a new -// thread. - -int -Thr_Output_Channel::open (void *) -{ - // Set the size of the socket queue. - this->socket_queue_size (); - - // Turn off non-blocking I/O. - if (this->peer ().disable (ACE_NONBLOCK) == -1) - ACE_ERROR_RETURN ((LM_ERROR, "(%t) %p\n", "enable"), -1); - - // Register ourselves to receive input events (which indicate that - // the Peer has shut down unexpectedly). - if (ACE_Service_Config::reactor ()->register_handler (this, - ACE_Event_Handler::READ_MASK) == -1) - ACE_ERROR_RETURN ((LM_ERROR, "(%t) %p\n", "register_handler"), -1); - - if (this->initialize_connection ()) - ACE_ERROR_RETURN ((LM_ERROR, "(%t) %p\n", - "initialize_connection"), -1); - - // Reactivate message queue. If it was active then this is the - // first time in and we need to spawn a thread, otherwise the queue - // was inactive due to some problem and we've already got a thread. - if (this->msg_queue ()->activate () == ACE_Message_Queue<SYNCH>::WAS_ACTIVE) - { - ACE_DEBUG ((LM_DEBUG, "(%t) spawning new thread\n")); - // Become an active object by spawning a new thread to transmit - // messages to peers. - return this->activate (THR_NEW_LWP | THR_DETACHED); - } - else - { - ACE_DEBUG ((LM_DEBUG, "(%t) reusing existing thread\n")); - return 0; - } -} - -// ACE_Queue up a message for transmission (must not block since all -// Input_Channels are single-threaded). - -int -Thr_Output_Channel::put (ACE_Message_Block *mb, ACE_Time_Value *) -{ - // Perform non-blocking enqueue. - return this->msg_queue ()->enqueue_tail (mb, (ACE_Time_Value *) &ACE_Time_Value::zero); -} - -// Transmit messages to the peer (note simplification resulting from -// threads...) - -int -Thr_Output_Channel::svc (void) -{ - for (;;) - { - ACE_DEBUG ((LM_DEBUG, "(%t) connected! Thr_Output_Channel's fd = %d\n", - this->peer ().get_handle ())); - - // Since this method runs in its own thread it is OK to block on - // output. - - for (ACE_Message_Block *mb = 0; - this->msg_queue ()->dequeue_head (mb) != -1; ) - if (this->send_peer (mb) == -1) - ACE_ERROR ((LM_ERROR, "(%t) %p\n", "send failed")); - - ACE_ASSERT (errno == ESHUTDOWN); - - ACE_DEBUG ((LM_DEBUG, "(%t) shutting down threaded Output_Channel %d on handle %d\n", - this->id (), this->get_handle ())); - - this->peer ().close (); - - for (this->timeout (1); - // Default is to reconnect synchronously. - this->connector_->initiate_connection (this) == -1; ) - { - ACE_Time_Value tv (this->timeout ()); - ACE_ERROR ((LM_ERROR, - "(%t) reattempting connection, sec = %d\n", - tv.sec ())); - ACE_OS::sleep (tv); - } - } - - return 0; -} - -Thr_Input_Channel::Thr_Input_Channel (ROUTING_TABLE *rt, - Channel_Connector *cc, - ACE_Thread_Manager *thr_mgr, - int socket_queue_size) - : Input_Channel (rt, cc, thr_mgr, socket_queue_size) -{ -} - -int -Thr_Input_Channel::open (void *) -{ - // Set the size of the socket queue. - this->socket_queue_size (); - - // Turn off non-blocking I/O. - if (this->peer ().disable (ACE_NONBLOCK) == -1) - ACE_ERROR_RETURN ((LM_ERROR, "(%t) %p\n", "enable"), -1); - - if (this->initialize_connection ()) - ACE_ERROR_RETURN ((LM_ERROR, "(%t) %p\n", - "initialize_connection"), -1); - - // Reactivate message queue. If it was active then this is the - // first time in and we need to spawn a thread, otherwise the queue - // was inactive due to some problem and we've already got a thread. - if (this->msg_queue ()->activate () == ACE_Message_Queue<SYNCH>::WAS_ACTIVE) - { - ACE_DEBUG ((LM_DEBUG, "(%t) spawning new thread\n")); - // Become an active object by spawning a new thread to transmit - // messages to peers. - return this->activate (THR_NEW_LWP | THR_DETACHED); - } - else - { - ACE_DEBUG ((LM_DEBUG, "(%t) reusing existing thread\n")); - return 0; - } -} - -// Receive messages from a Peer in a separate thread (note reuse of -// existing code!). - -int -Thr_Input_Channel::svc (void) -{ - for (;;) - { - ACE_DEBUG ((LM_DEBUG, "(%t) connected! Thr_Input_Channel's fd = %d\n", - this->peer ().get_handle ())); - - // Since this method runs in its own thread and processes - // messages for one connection it is OK to block on input and - // output. - - while (this->handle_input () != -1) - continue; - - ACE_DEBUG ((LM_DEBUG, - "(%t) shutting down threaded Input_Channel %d on handle %d\n", - this->id (), - this->get_handle ())); - - this->peer ().close (); - - // Deactivate the queue while we try to get reconnected. - this->msg_queue ()->deactivate (); - - for (this->timeout (1); - // Default is to reconnect synchronously. - this->connector_->initiate_connection (this) == -1; ) - { - ACE_Time_Value tv (this->timeout ()); - ACE_ERROR ((LM_ERROR, - "(%t) reattempting connection, sec = %d\n", tv.sec ())); - ACE_OS::sleep (tv); - } - } - return 0; -} - -#endif /* ACE_HAS_THREADS */ |