StMessageVt Struct Reference

Vtable for message construction. More...

#include <broker.h>

Data Fields
size_t(*	size_cb )(void)
	Callback for obtaining the size of the message.
void(*	ctor )(void *, va_list)
	Constructor callback for the message.
void(*	dtor )(void *)
	Destructor callback for the message.

Detailed Description

Vtable for message construction.

Field Documentation

ctor

void(* StMessageVt::ctor)(void *, va_list)

Constructor callback for the message.

Should allocate additional memory for the message, if needed (see "dynamic context") and initialize the message - read arguments from the va_list and fill the message passed through the void pointer.

Note

The input va_list will hold all values passed to st_publish() after the StChannel argument.

See also

st_publish()

dtor

void(* StMessageVt::dtor)(void *)

Destructor callback for the message.

Should free all the memory allocated by the StMessageVt::ctor.

size_cb

size_t(* StMessageVt::size_cb)(void)

(

void

)

Callback for obtaining the size of the message.

Should return the size of the message in bytes.

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The documentation for this struct was generated from the following file:

• st/broker.h