static void sip_serialize(struct proto_info const *info_, uint8_t **buf)
{
struct sip_proto_info const *info = DOWNCAST(info_, info, sip_proto_info);
proto_info_serialize(info_, buf);
serialize_2(buf, info->set_values);
if (info->set_values & SIP_CMD_SET)
serialize_1(buf, info->cmd);
if (info->set_values & SIP_FROM_SET)
serialize_str(buf, info->from);
if (info->set_values & SIP_TO_SET)
serialize_str(buf, info->to);
if (info->set_values & SIP_CALLID_SET)
serialize_str(buf, info->call_id);
if (info->set_values & SIP_MIME_SET)
serialize_str(buf, info->mime_type);
if (info->set_values & SIP_VIA_SET) {
serialize_1(buf, info->via.protocol);
ip_addr_serialize(&info->via.addr, buf);
serialize_2(buf, info->via.port);
}
if (info->set_values & SIP_LENGTH_SET)
serialize_4(buf, info->content_length);
if (info->set_values & SIP_CODE_SET)
serialize_4(buf, info->code);
if (info->set_values & SIP_CSEQ_SET)
serialize_4(buf, info->cseq);
}
static void dhcp_serialize(struct proto_info const *info_, uint8_t **buf)
{
struct dhcp_proto_info const *info = DOWNCAST(info_, info, dhcp_proto_info);
proto_info_serialize(info_, buf);
serialize_1(buf, info->hw_addr_is_eth + (info->opcode << 1U));
serialize_4(buf, info->xid);
serialize_1(buf, info->set_values);
if (info->set_values & DHCP_CLIENT_SET) ip_addr_serialize(&info->client, buf);
serialize_n(buf, info->client_mac, sizeof(info->client_mac));
serialize_str(buf, info->server_name);
}
void ip_addr_serialize(struct ip_addr const *addr, uint8_t **buf)
{
if (addr->family == AF_INET) {
serialize_1(buf, 4);
serialize_4(buf, addr->u.v4.s_addr);
} else if (addr->family == AF_INET6) {
serialize_1(buf, 6);
serialize_n(buf, &addr->u.v6, sizeof(addr->u.v6));
} else {
SLOG(LOG_ERR, "Cannot serialize ip_addr of unknown type");
}
}
static void rtp_serialize(struct proto_info const *info_, uint8_t **buf)
{
struct rtp_proto_info const *info = DOWNCAST(info_, info, rtp_proto_info);
proto_info_serialize(info_, buf);
serialize_4(buf, info->sync_src);
serialize_2(buf, info->seq_num);
serialize_1(buf, info->payload_type);
serialize_4(buf, info->timestamp);
}
static void sdp_serialize(struct proto_info const *info_, uint8_t **buf)
{
struct sdp_proto_info const *info = DOWNCAST(info_, info, sdp_proto_info);
proto_info_serialize(info_, buf);
serialize_1(buf, info->set_values);
if (info->set_values & SDP_HOST_SET)
ip_addr_serialize(&info->host, buf);
if (info->set_values & SDP_PORT_SET)
serialize_2(buf, info->port);
}
static void tcp_serialize(struct proto_info const *info_, uint8_t **buf)
{
struct tcp_proto_info const *info = DOWNCAST(info_, info, tcp_proto_info);
proto_info_serialize(info_, buf);
serialize_2(buf, info->key.port[0]);
serialize_2(buf, info->key.port[1]);
serialize_1(buf, info->syn + (info->ack<<1) + (info->rst<<2) + (info->fin<<3) + (info->urg<<4) + (info->psh<<5) + (info->to_srv<<6));
serialize_2(buf, info->window);
serialize_2(buf, info->urg_ptr);
serialize_4(buf, info->ack_num);
serialize_4(buf, info->seq_num);
serialize_4(buf, info->rel_seq_num);
serialize_1(buf, info->set_values);
serialize_2(buf, info->mss);
serialize_1(buf, info->wsf);
serialize_1(buf, info->nb_options);
for (unsigned o = 0; o < info->nb_options; o++) {
serialize_1(buf, info->options[o]);
}
}
