static lagopus_result_t
s_ofp_header_create_wrap(struct channel *channel,
struct pbuf **pbuf,
struct ofp_header *xid_header) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
struct ofp_header header;
struct pbuf *ret_pbuf = NULL;
if (pbuf == NULL) {
ret = LAGOPUS_RESULT_INVALID_ARGS;
} else {
ret_pbuf = pbuf_alloc(65535);
if (ret_pbuf == NULL) {
ret = LAGOPUS_RESULT_NO_MEMORY;
} else {
ret_pbuf->plen = s_plen;
ret = ofp_header_create(channel, s_type, xid_header, &header, ret_pbuf);
if (ret == LAGOPUS_RESULT_OK) {
*pbuf = ret_pbuf;
} else {
pbuf_free(ret_pbuf);
*pbuf = NULL;
}
}
}
return ret;
}
lagopus_result_t
ofp_header_packet_set(struct channel *channel,
struct pbuf *pbuf) {
lagopus_result_t ret = LAGOPUS_RESULT_ANY_FAILURES;
uint16_t cur_length;
pbuf_info_t cur_pbuf_info;
pbuf_info_t update_pbuf_info;
struct ofp_header header;
if (channel != NULL && pbuf != NULL) {
/* Store current pbuf info. */
pbuf_info_store(pbuf, &cur_pbuf_info);
ret = pbuf_length_get(pbuf, &cur_length);
if (ret == LAGOPUS_RESULT_OK) {
/* Update pbuf info for ofp_header_decode_sneak. */
pbuf_getp_set(&update_pbuf_info, pbuf_data_get(pbuf));
pbuf_putp_set(&update_pbuf_info,
pbuf_data_get(pbuf) + sizeof(struct ofp_header));
pbuf_plen_set(&update_pbuf_info, sizeof(struct ofp_header));
pbuf_info_load(pbuf, &update_pbuf_info);
ret = ofp_header_decode_sneak(pbuf, &header);
if (ret == LAGOPUS_RESULT_OK) {
/* Update pbuf info for ofp_header_create. */
pbuf_reset(pbuf);
pbuf_plen_set(pbuf, (size_t) cur_length);
ret = ofp_header_create(channel, header.type, NULL,
&header, pbuf);
if (ret == LAGOPUS_RESULT_OK) {
/* Load pbuf info. */
pbuf_info_load(pbuf, &cur_pbuf_info);
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
lagopus_msg_warning("FAILED (%s).\n",
lagopus_error_get_string(ret));
}
} else {
return LAGOPUS_RESULT_INVALID_ARGS;
}
return ret;
}