TipcSrvProcessCbLookup

Name

TipcSrvProcessCbLookup — look up a process callback in the connection to RTserver

Synopsis

T_CB TipcSrvProcessCbLookup(mt, func, arg) 
T_IPC_MT mt; 
T_IPC_CONN_PROCESS_CB_FUNC func; 
T_CB_ARG arg; 

Arguments

mt — message type to look up callback for (null means global callback)

func — callback function

arg — user-defined argument

Return Values

Callback if successful, NULL otherwise.

Diagnostics

If TipcSrvProcessCbLookup fails, it returns NULL and sets the global SmartSockets error number to one of:

Description

TipcSrvProcessCbLookup looks up the process callback with the desired message type, function, and argument in the connection to RTserver by calling TipcConnProcessCbLookup. These callbacks are called by TipcSrvMsgProcess to perform the normal processing of a message. See TipcConnProcessCbCreate for more information on connection process callbacks.

TipcSrvProcessCbLookup may attempt to automatically create a connection to RTserver. If RTclient has a warm connection to RTserver, TipcSrvProcessCbLookup looks up a process callback in the warm connection. See TipcSrvCreate for more information on automatic creation of connections and warm connections to RTserver.

Caution

None

See Also

TipcConnProcessCbLookup, TipcSrvProcessCbCreate; see the TIBCO SmartSockets Utilities for information on TutCbDestroy.

Examples

This looks up a global process callback in the connection to RTserver:

T_CB cb; 
 
cb = TipcSrvProcessCbLookup(NULL, my_global_srv_process_cb, NULL); 
if (cb == NULL) { 
  return;  /* error */ 
}