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Extract_Conversation_State (CPI-C)

  • Cikk

The Extract_Conversation_State call (function name cmecs) returns the state of the specified conversation.

Syntax

  
CM_ENTRY Extract_Conversation_State(   
  unsigned char FAR *conversation_ID,    
  CM_INT32 FAR *conversation_state,    
  CM_INT32 FAR *return_code            
);

Parameters

conversation_ID
Supplied parameter. Specifies the identifier for the conversation. The value of this parameter was returned by Initialize_Conversation or Accept_Conversation.

conversation_state
Returned parameter. Specifies the conversation state. Possible values are:

  • CM_INITIALIZE_STATE

  • CM_SEND_STATE

  • CM_RECEIVE_STATE

  • CM_SEND_PENDING_STATE

  • CM_CONFIRM_STATE

  • CM_CONFIRM_SEND_STATE

  • CM_CONFIRM_DEALLOCATE_STATE

    return_code
    The code returned from this call. The valid return codes are listed later in this topic.

Return Codes

CM_OK
Primary return code; the call executed successfully.

CM_PROGRAM_PARAMETER_CHECK
Primary return code; the value specified by conversation_ID is invalid.

CM_PRODUCT_SPECIFIC_ERROR
Primary return code; a product-specific error occurred and has been logged in the products error log.

State Changes

The conversation can be in any state except RESET.

There is no state change.