/*
 * In this module we are going to implement the handling of ETM_AUDIO responses.
 */

#include <sys/types.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <stdlib.h>
#include "pktmux.h"
#include "limits.h"
#include "localtypes.h"
#include "etm.h"

extern u_char rvi_msg[];
extern int rvi_msg_len;

static void
aul_aus_response(op)
	char *op;
{
	char buf[80];

	if (rvi_msg_len != 6) {
		sprintf(buf, "%s response wrong length", op);
		print_etm_pkt_raw(buf);
		return;
	}
	if (rvi_msg[3])
		sprintf(buf, "%s error %u (0x%02X)", op,
			rvi_msg[3], rvi_msg[3]);
	else
		sprintf(buf, "%s OK", op);
	async_msg_output(buf);
}

static void
aur_response()
{
	char buf[80], *dp;
	unsigned i, j, l, size;

	if (rvi_msg_len < 7) {
tooshort:	print_etm_pkt_raw("aur response too short");
		return;
	}
	if (rvi_msg[3]) {
		if (rvi_msg_len == 7) {
			sprintf(buf, "aur %u error %u (0x%02X)", rvi_msg[5],
				rvi_msg[3], rvi_msg[3]);
			async_msg_output(buf);
		} else
			print_etm_pkt_raw("aur long error response");
		return;
	}
	if (rvi_msg_len < 8)
		goto tooshort;
	size = rvi_msg_len - 7;
	sprintf(buf, "aur %u: %u byte%s", rvi_msg[5], size,
		size != 1 ? "s" : "");
	async_msg_output(buf);
	for (i = 0; i < size; ) {
		l = size - i;
		if (l > 16)
			l = 16;
		sprintf(buf, "offset %02X:", i);
		dp = index(buf, '\0');
		for (j = 0; j < l; j++) {
			if (j == 0 || j == 8)
				*dp++ = ' ';
			sprintf(dp, " %02X", rvi_msg[i + 6]);
			i++;
			dp += 3;
		}
		async_msg_output(buf);
	}
}

static void
auw_response()
{
	char buf[80];

	if (rvi_msg_len != 7) {
		print_etm_pkt_raw("auw response wrong length");
		return;
	}
	if (rvi_msg[3])
		sprintf(buf, "auw %u error %u (0x%02X)", rvi_msg[5],
			rvi_msg[3], rvi_msg[3]);
	else
		sprintf(buf, "auw %u OK", rvi_msg[5]);
	async_msg_output(buf);
}

void
etm_audio_msg_rx()
{
	switch (rvi_msg[4]) {
	case 'L':
		aul_aus_response("aul");
		return;
	case 'S':
		aul_aus_response("aus");
		return;
	case 'R':
		aur_response();
		return;
	case 'W':
		auw_response();
		return;
	default:
	unknown:
		print_etm_pkt_raw("ETM_AUDIO");
	}
}