#include <stdio.h>
#include <arm4.h>

static arm_id_t app_id;
static arm_id_t tran_id;
static arm_app_start_handle_t app_handle;

static void
registerApp (void)
{
	/* -------------------------- 1. step -------------------------- */
	/* Register application class with ARM agent. */
	arm_register_application("C Introduction Tutorial", ARM_ID_NONE,
		ARM_FLAG_NONE, ARM_BUF4_NONE,
		&app_id);

	/* Register transaction class with ARM agent. */
	arm_register_transaction(&app_id,
		"Hello Transaction", ARM_ID_NONE,
		ARM_FLAG_NONE, ARM_BUF4_NONE,
		&tran_id);


	/* -------------------------- 2. step -------------------------- */
	/* Now start the application instance for the ARM agent. */
	arm_start_application(&app_id,
		"Tutorials", ARM_STRING_NONE,
		ARM_FLAG_NONE, ARM_BUF4_NONE,
		&app_handle);
}

static void
removeApp (void)
{
	/* -------------------------- 4. step -------------------------- */
	/* Stop the application instance. */
	arm_stop_application(app_handle, ARM_FLAG_NONE, ARM_BUF4_NONE);

	/* -------------------------- 5. step -------------------------- */
	/* Destroy all registered metadata. */
	arm_destroy_application(&app_id, ARM_FLAG_NONE, ARM_BUF4_NONE);
}

static void
hello_world (void)
{
	arm_tran_start_handle_t tran_handle;

	/* -------------------------- 3. step -------------------------- */
	/* Now start the transaction measurement. */
	arm_start_transaction(app_handle, &tran_id, ARM_CORR_NONE,
		ARM_FLAG_NONE, ARM_BUF4_NONE,
		&tran_handle, ARM_CORR_NONE);

	/* Real transaction takes place here! */
	printf("Hello world!\n");

	/* Stop the measurement and commit the transaction to ARM. */
	arm_stop_transaction(tran_handle, ARM_STATUS_GOOD,
		ARM_FLAG_NONE, ARM_BUF4_NONE);
}

static void
appLoop (void)
{
	int i;

	registerApp ();
	for (i = 0; i < 100000; i++)
		hello_world ();
	removeApp ();
}

int
main(int argc, char *argv[])
{
	int rc = 0;

	while (1)
		appLoop();

	return rc;
}