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Peter Hogfeldt 2003-08-14 PA1
IC C BACK-ENDS IMPROVEMENTS
1 C CLIENT
1.1 Cast
Each oneway operation roughly consists of the following code
parts:
- encoding the cast message
- setting index of the out buffer to zero (1.1.1)
- encoding the magic (1.1.1)
- encoding a tuple header of size 2 (1.1.1)
- encoding '$gen_cast' (1.1.1)
- encoding the operation parameters (1.1.2)
- sending the cast message (1.1.3)
Only (1.1.2) is unique for the operation in question.
1.1.1 Todo
Define functions:
int oe_ei_encode_cast(CORBA_environment *) that performs (1.1.1)
int oe_ei_cast(CORBA_environment *) that performs (1.1.3)
This will reduce code size.
As compiler options
oe_ei_encode_cast(), and
oe_ei_cast()
may be replaced by user defined functions.
1.2 Call
Each (non-oneway) operation roughly consists of the following code
parts:
- encoding the call message
- setting index of the out buffer to zero (1.2.1)
- encoding the magic (1.2.1)
- encoding a tuple header of size 3 (1.2.1)
- encoding '$gen_call' (1.2.1)
- encoding a tuple header of size 2 (1.2.1)
- encoding the from pid (1.2.1)
- encoding the unique ref (1.2.1)
- encoding the operation parameters (1.2.2)
- sending the call message (1.2.3)
- receiving the reply message (1.2.3)
- decoding the reply parameters (1.2.4)
Only (1.2.2) and (1.2.4) are unique for the operation in question.
1.2.1 Todo
Define functions:
int oe_ei_encode_send(CORBA_environment *) that performs (1.2.1)
int oe_ei_send_and_receive(CORBA_environment *) that performs (1.2.3)
This will reduce code size.
As compiler options
oe_ei_encode_send(), and
oe_ei_send_and_receive()
may be replaced by user defined function.
2 SERVER
We do not provide any code for receiving operation messages, execute
operations, and send the result back. Should we not do that?
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