static bool avrcp_pdu_packet(struct avctp_frame *avctp_frame, uint8_t ctype,
uint8_t indent)
{
struct l2cap_frame *frame = &avctp_frame->l2cap_frame;
uint8_t pduid;
uint16_t len;
int i;
const struct avrcp_ctrl_pdu_data *ctrl_pdu_data = NULL;
if (!l2cap_frame_get_u8(frame, &pduid))
return false;
if (!l2cap_frame_get_u8(frame, &avctp_frame->pt))
return false;
if (!l2cap_frame_get_be16(frame, &len))
return false;
print_indent(indent, COLOR_OFF, "AVRCP: ", pdu2str(pduid), COLOR_OFF,
" pt %s len 0x%04x", pt2str(avctp_frame->pt), len);
if (frame->size != len)
return false;
if (ctype == 0xA)
return avrcp_rejected_packet(frame, indent + 2);
for (i = 0; avrcp_ctrl_pdu_table[i].func; i++) {
if (avrcp_ctrl_pdu_table[i].pduid == pduid) {
ctrl_pdu_data = &avrcp_ctrl_pdu_table[i];
break;
}
}
if (!ctrl_pdu_data || !ctrl_pdu_data->func) {
packet_hexdump(frame->data, frame->size);
return true;
}
return ctrl_pdu_data->func(avctp_frame, ctype, len, indent + 2);
}
static void avrcp_pdu_dump(int level, struct frame *frm, uint8_t ctype)
{
uint8_t pduid, pt;
uint16_t len;
p_indent(level, frm);
pduid = get_u8(frm);
pt = get_u8(frm);
len = get_u16(frm);
printf("AVRCP: %s: pt %s len 0x%04x\n", pdu2str(pduid),
pt2str(pt), len);
if (len != frm->len) {
p_indent(level, frm);
printf("PDU Malformed\n");
raw_dump(level, frm);
return;
}
if (ctype == AVC_CTYPE_REJECTED) {
avrcp_rejected_dump(level + 1, frm, len);
return;
}
switch (pduid) {
case AVRCP_GET_CAPABILITIES:
avrcp_get_capabilities_dump(level + 1, frm, len);
break;
case AVRCP_LIST_PLAYER_ATTRIBUTES:
avrcp_list_player_attributes_dump(level + 1, frm, len);
break;
case AVRCP_LIST_PLAYER_VALUES:
avrcp_list_player_values_dump(level + 1, frm, ctype, len);
break;
case AVRCP_GET_CURRENT_PLAYER_VALUE:
avrcp_get_current_player_value_dump(level + 1, frm, ctype,
len);
break;
case AVRCP_SET_PLAYER_VALUE:
avrcp_set_player_value_dump(level + 1, frm, ctype, len);
break;
case AVRCP_GET_PLAYER_ATTRIBUTE_TEXT:
avrcp_get_player_attribute_text_dump(level + 1, frm, ctype,
len);
break;
case AVRCP_GET_PLAYER_VALUE_TEXT:
avrcp_get_player_value_text_dump(level + 1, frm, ctype, len);
break;
case AVRCP_DISPLAYABLE_CHARSET:
avrcp_displayable_charset(level + 1, frm, ctype, len);
break;
case AVRCP_CT_BATTERY_STATUS:
avrcp_ct_battery_status_dump(level + 1, frm, ctype, len);
break;
case AVRCP_GET_ELEMENT_ATTRIBUTES:
avrcp_get_element_attributes_dump(level + 1, frm, ctype, len,
pt);
break;
case AVRCP_GET_PLAY_STATUS:
avrcp_get_play_status_dump(level + 1, frm, ctype, len);
break;
case AVRCP_REGISTER_NOTIFICATION:
avrcp_register_notification_dump(level + 1, frm, ctype, len);
break;
case AVRCP_SET_ABSOLUTE_VOLUME:
avrcp_set_absolute_volume_dump(level + 1, frm, ctype, len);
break;
case AVRCP_SET_ADDRESSED_PLAYER:
avrcp_set_addressed_player(level + 1, frm, ctype, len);
break;
case AVRCP_SET_BROWSED_PLAYER:
avrcp_set_browsed_player(level + 1, frm, ctype, len);
break;
default:
raw_dump(level, frm);
}
}
