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ToolTalk User's Guide

Scoping to a File in a Session

The type TT_FILE_IN_SESSION scopes to the specified file in the specified session only. A pattern with this scope set will only match messages that are scoped to both the file and the session. Example 3-5 adds the session and then registers the pattern.

Example 3-5 Adding a Session to the TT_FILE_IN_SESSION-Scoped Pattern

Obtain procid 

tt_open(); 

Create pattern 

Tt_pattern pat = tt_create_pattern(); 

Add scope to pattern 

tt_pattern_scope_add(pat,TT_FILE_IN_SESSION); 

Add file to pattern 

tt_pattern_file_add(pat, file); 

Add session to pattern 

tt_pattern_session_add(pat, tt_default_session()); 

Register pattern 

tt_pattern_register(pat); 

Example 3-6 registers the pattern and then joins a session.

Example 3-6 Joining a Session to Set the Session of a TT_FILE_IN_SESSION-Scoped Pattern

Obtain procid 

tt_open(); 

Create pattern 

Tt_pattern pat = tt_create_pattern(); 

Add scope to pattern 

tt_pattern_scope_add(pat, TT_FILE_IN_SESSION); 

Add file to pattern 

tt_pattern_file_add(pat, file); 

Register pattern 

tt_pattern_register(pat); 

Join session 

tt_session_join(tt_default_session()); 

Example 3-7 sets the scope value for a static pattern.

Example 3-7 Setting the Scope Value for a TT_FILE_IN_SESSION Static Pattern

Obtain procid 

tt_open(); 

Declare Ptype 

Tt_ptype_declare(ptype); 

Join File 

tt_file_join(file); 

Join session 

tt_session_join(tt_default_session());